From 71726bb70f9084310cdf097e66d14d462c01de46 Mon Sep 17 00:00:00 2001 From: Luca Bilke Date: Wed, 22 May 2024 20:48:41 +0200 Subject: [PATCH] remove bad gitignore --- .gitignore | 34 - arg.h | 50 + config.def.h | 343 ++++ config.h | 332 ++++ config.mk | 60 + hb.c | 147 ++ hb.h | 15 + patch/boxdraw.c | 192 ++ patch/boxdraw.h | 214 +++ patch/fixkeyboardinput.c | 811 +++++++++ patch/font2.c | 95 + patch/font2.h | 2 + patch/keyboardselect_reflow.txt | 29 + patch/keyboardselect_reflow_st.c | 762 ++++++++ patch/keyboardselect_reflow_st.h | 6 + patch/keyboardselect_reflow_x.c | 16 + patch/keyboardselect_reflow_x.h | 3 + patch/newterm.c | 30 + patch/newterm.h | 2 + patch/openurlonclick.c | 126 ++ patch/openurlonclick.h | 8 + patch/reflow.c | 874 +++++++++ patch/reflow.h | 44 + patch/st_include.c | 5 + patch/st_include.h | 6 + patch/sync.c | 31 + patch/sync.h | 7 + patch/utils.h | 23 + patch/x_include.c | 6 + patch/x_include.h | 5 + sixel.c | 687 ++++++++ sixel.h | 63 + sixel_hls.c | 115 ++ sixel_hls.h | 7 + st.1 | 177 ++ st.c | 2630 ++++++++++++++++++++++++++++ st.desktop | 8 + st.h | 341 ++++ st.info | 252 +++ win.h | 46 + x.c | 2819 ++++++++++++++++++++++++++++++ 41 files changed, 11389 insertions(+), 34 deletions(-) delete mode 100644 .gitignore create mode 100644 arg.h create mode 100644 config.def.h create mode 100644 config.h create mode 100644 config.mk create mode 100644 hb.c create mode 100644 hb.h create mode 100644 patch/boxdraw.c create mode 100644 patch/boxdraw.h create mode 100644 patch/fixkeyboardinput.c create mode 100644 patch/font2.c create mode 100644 patch/font2.h create mode 100644 patch/keyboardselect_reflow.txt create mode 100644 patch/keyboardselect_reflow_st.c create mode 100644 patch/keyboardselect_reflow_st.h create mode 100644 patch/keyboardselect_reflow_x.c create mode 100644 patch/keyboardselect_reflow_x.h create mode 100644 patch/newterm.c create mode 100644 patch/newterm.h create mode 100644 patch/openurlonclick.c create mode 100644 patch/openurlonclick.h create mode 100644 patch/reflow.c create mode 100644 patch/reflow.h create mode 100644 patch/st_include.c create mode 100644 patch/st_include.h create mode 100644 patch/sync.c create mode 100644 patch/sync.h create mode 100644 patch/utils.h create mode 100644 patch/x_include.c create mode 100644 patch/x_include.h create mode 100644 sixel.c create mode 100644 sixel.h create mode 100644 sixel_hls.c create mode 100644 sixel_hls.h create mode 100644 st.1 create mode 100644 st.c create mode 100644 st.desktop create mode 100644 st.h create mode 100644 st.info create mode 100644 win.h create mode 100644 x.c diff --git a/.gitignore b/.gitignore deleted file mode 100644 index 1cd0a63..0000000 --- a/.gitignore +++ /dev/null @@ -1,34 +0,0 @@ -st-final -pkg -*.xbps -patch -arg.h -config.def.h -config.h -config.mk -hb.c -hb.h -sixel.c -sixel.h -sixel_hls.c -sixel_hls.h -st.1 -st.c -st.desktop -st.h -st.info -win.h -x.c -terminfo/s -x.o -x.o -x.o -x.o -x.o -x.c.orig -st.o -st -sixel_hls.o -sixel.o -hb.o -hb.c.orig diff --git a/arg.h b/arg.h new file mode 100644 index 0000000..a22e019 --- /dev/null +++ b/arg.h @@ -0,0 +1,50 @@ +/* + * Copy me if you can. + * by 20h + */ + +#ifndef ARG_H__ +#define ARG_H__ + +extern char *argv0; + +/* use main(int argc, char *argv[]) */ +#define ARGBEGIN for (argv0 = *argv, argv++, argc--;\ + argv[0] && argv[0][0] == '-'\ + && argv[0][1];\ + argc--, argv++) {\ + char argc_;\ + char **argv_;\ + int brk_;\ + if (argv[0][1] == '-' && argv[0][2] == '\0') {\ + argv++;\ + argc--;\ + break;\ + }\ + int i_;\ + for (i_ = 1, brk_ = 0, argv_ = argv;\ + argv[0][i_] && !brk_;\ + i_++) {\ + if (argv_ != argv)\ + break;\ + argc_ = argv[0][i_];\ + switch (argc_) + +#define ARGEND }\ + } + +#define ARGC() argc_ + +#define EARGF(x) ((argv[0][i_+1] == '\0' && argv[1] == NULL)?\ + ((x), abort(), (char *)0) :\ + (brk_ = 1, (argv[0][i_+1] != '\0')?\ + (&argv[0][i_+1]) :\ + (argc--, argv++, argv[0]))) + +#define ARGF() ((argv[0][i_+1] == '\0' && argv[1] == NULL)?\ + (char *)0 :\ + (brk_ = 1, (argv[0][i_+1] != '\0')?\ + (&argv[0][i_+1]) :\ + (argc--, argv++, argv[0]))) + +#endif diff --git a/config.def.h b/config.def.h new file mode 100644 index 0000000..e038d37 --- /dev/null +++ b/config.def.h @@ -0,0 +1,343 @@ +/* See LICENSE file for copyright and license details. */ + +/* + * appearance + * + * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html + */ +static char *font = "Liberation Mono:pixelsize=12:antialias=true:autohint=true"; +/* Spare fonts */ +static char *font2[] = { +/* "Inconsolata for Powerline:pixelsize=12:antialias=true:autohint=true", */ +/* "Hack Nerd Font Mono:pixelsize=11:antialias=true:autohint=true", */ +}; + +static int borderpx = 2; + +/* modkey options: ControlMask, ShiftMask or XK_ANY_MOD */ +static uint url_opener_modkey = XK_ANY_MOD; +static char *url_opener = "xdg-open"; + +/* + * What program is execed by st depends of these precedence rules: + * 1: program passed with -e + * 2: scroll and/or utmp + * 3: SHELL environment variable + * 4: value of shell in /etc/passwd + * 5: value of shell in config.h + */ +static char *shell = "/bin/sh"; +char *utmp = NULL; +/* scroll program: to enable use a string like "scroll" */ +char *scroll = NULL; +char *stty_args = "stty raw pass8 nl -echo -iexten -cstopb 38400"; + +/* identification sequence returned in DA and DECID */ +char *vtiden = "\033[?62;4c"; /* VT200 family (62) with sixel (4) */ + +/* sixel rgb byte order: LSBFirst or MSBFirst */ +int const sixelbyteorder = LSBFirst; + +/* Kerning / character bounding-box multipliers */ +static float cwscale = 1.0; +static float chscale = 1.0; + +/* + * word delimiter string + * + * More advanced example: L" `'\"()[]{}" + */ +wchar_t *worddelimiters = L" "; + +/* Word delimiters for short and long jumps in the keyboard select patch */ +wchar_t *kbds_sdelim = L"!\"#$%&'()*+,-./:;<=>?@[\\]^`{|}~ "; +wchar_t *kbds_ldelim = L" "; + +/* selection timeouts (in milliseconds) */ +static unsigned int doubleclicktimeout = 300; +static unsigned int tripleclicktimeout = 600; + +/* alt screens */ +int allowaltscreen = 1; + +/* allow certain non-interactive (insecure) window operations such as: + setting the clipboard text */ +int allowwindowops = 0; + +/* + * draw latency range in ms - from new content/keypress/etc until drawing. + * within this range, st draws when content stops arriving (idle). mostly it's + * near minlatency, but it waits longer for slow updates to avoid partial draw. + * low minlatency will tear/flicker more, as it can "detect" idle too early. + */ +static double minlatency = 2; +static double maxlatency = 33; + +/* + * Synchronized-Update timeout in ms + * https://gitlab.com/gnachman/iterm2/-/wikis/synchronized-updates-spec + */ +static uint su_timeout = 200; + +/* + * blinking timeout (set to 0 to disable blinking) for the terminal blinking + * attribute. + */ +static unsigned int blinktimeout = 800; + +/* + * thickness of underline and bar cursors + */ +static unsigned int cursorthickness = 2; + +/* Hide the X cursor whenever a key is pressed. 0: off, 1: on */ +int hidecursor = 1; + +/* + * 1: render most of the lines/blocks characters without using the font for + * perfect alignment between cells (U2500 - U259F except dashes/diagonals). + * Bold affects lines thickness if boxdraw_bold is not 0. Italic is ignored. + * 0: disable (render all U25XX glyphs normally from the font). + */ +const int boxdraw = 0; +const int boxdraw_bold = 0; + +/* braille (U28XX): 1: render as adjacent "pixels", 0: use font */ +const int boxdraw_braille = 0; + +/* + * bell volume. It must be a value between -100 and 100. Use 0 for disabling + * it + */ +static int bellvolume = 0; + +/* default TERM value */ +char *termname = "st-256color"; + +/* + * spaces per tab + * + * When you are changing this value, don't forget to adapt the »it« value in + * the st.info and appropriately install the st.info in the environment where + * you use this st version. + * + * it#$tabspaces, + * + * Secondly make sure your kernel is not expanding tabs. When running `stty + * -a` »tab0« should appear. You can tell the terminal to not expand tabs by + * running following command: + * + * stty tabs + */ +unsigned int tabspaces = 8; + +/* Terminal colors (16 first used in escape sequence) */ +static const char *colorname[] = { + /* 8 normal colors */ + "black", + "red3", + "green3", + "yellow3", + "blue2", + "magenta3", + "cyan3", + "gray90", + + /* 8 bright colors */ + "gray50", + "red", + "green", + "yellow", + "#5c5cff", + "magenta", + "cyan", + "white", + + [255] = 0, + + /* more colors can be added after 255 to use with DefaultXX */ + "#add8e6", /* 256 -> cursor */ + "#555555", /* 257 -> rev cursor*/ + "#000000", /* 258 -> bg */ + "#e5e5e5", /* 259 -> fg */ +}; + +/* + * Default colors (colorname index) + * foreground, background, cursor, reverse cursor + */ +unsigned int defaultbg = 258; +unsigned int defaultfg = 259; +unsigned int defaultcs = 256; +unsigned int defaultrcs = 257; +unsigned int selectionfg = 258; +unsigned int selectionbg = 259; +/* If 0 use selectionfg as foreground in order to have a uniform foreground-color */ +/* Else if 1 keep original foreground-color of each cell => more colors :) */ +static int ignoreselfg = 1; +/* Foreground and background color of search results */ +unsigned int highlightfg = 15; +unsigned int highlightbg = 160; + +/* + * https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h4-Functions-using-CSI-_-ordered-by-the-final-character-lparen-s-rparen:CSI-Ps-SP-q.1D81 + * Default style of cursor + * 0: Blinking block + * 1: Blinking block (default) + * 2: Steady block ("â–ˆ") + * 3: Blinking underline + * 4: Steady underline ("_") + * 5: Blinking bar + * 6: Steady bar ("|") + * 7: Blinking st cursor + * 8: Steady st cursor + */ +static unsigned int cursorstyle = 1; +static Rune stcursor = 0x2603; /* snowman (U+2603) */ + +/* + * Default columns and rows numbers + */ + +static unsigned int cols = 80; +static unsigned int rows = 24; + +/* + * Default colour and shape of the mouse cursor + */ +static unsigned int mouseshape = XC_xterm; +static unsigned int mousefg = 7; +static unsigned int mousebg = 0; + +/* + * Color used to display font attributes when fontconfig selected a font which + * doesn't match the ones requested. + */ +static unsigned int defaultattr = 11; + +/* + * Force mouse select/shortcuts while mask is active (when MODE_MOUSE is set). + * Note that if you want to use ShiftMask with selmasks, set this to an other + * modifier, set to 0 to not use it. + */ +static uint forcemousemod = ShiftMask; + +/* + * Internal mouse shortcuts. + * Beware that overloading Button1 will disable the selection. + */ +static MouseShortcut mshortcuts[] = { + /* mask button function argument release screen */ + { XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1 }, + { ShiftMask, Button4, kscrollup, {.i = 1}, 0, S_PRI}, + { ShiftMask, Button5, kscrolldown, {.i = 1}, 0, S_PRI}, + { XK_NO_MOD, Button4, kscrollup, {.i = 1}, 0, S_PRI }, + { XK_NO_MOD, Button5, kscrolldown, {.i = 1}, 0, S_PRI }, + { XK_ANY_MOD, Button4, ttysend, {.s = "\031"}, 0, S_ALT }, + { XK_ANY_MOD, Button5, ttysend, {.s = "\005"}, 0, S_ALT }, +}; + +/* Internal keyboard shortcuts. */ +#define MODKEY Mod1Mask +#define TERMMOD (ControlMask|ShiftMask) + +static char *openurlcmd[] = { "/bin/sh", "-c", + "xurls | dmenu -l 10 -w $WINDOWID | xargs -r open", + "externalpipe", NULL }; + +static char *setbgcolorcmd[] = { "/bin/sh", "-c", + "printf '\033]11;#008000\007'", + "externalpipein", NULL }; + +static Shortcut shortcuts[] = { + /* mask keysym function argument screen */ + { XK_ANY_MOD, XK_Break, sendbreak, {.i = 0} }, + { ControlMask, XK_Print, toggleprinter, {.i = 0} }, + { ShiftMask, XK_Print, printscreen, {.i = 0} }, + { XK_ANY_MOD, XK_Print, printsel, {.i = 0} }, + { TERMMOD, XK_Prior, zoom, {.f = +1} }, + { TERMMOD, XK_Next, zoom, {.f = -1} }, + { TERMMOD, XK_Home, zoomreset, {.f = 0} }, + { TERMMOD, XK_C, clipcopy, {.i = 0} }, + { TERMMOD, XK_V, clippaste, {.i = 0} }, + { ShiftMask, XK_Page_Up, kscrollup, {.i = -1}, S_PRI }, + { ShiftMask, XK_Page_Down, kscrolldown, {.i = -1}, S_PRI }, + { TERMMOD, XK_Y, selpaste, {.i = 0} }, + { ShiftMask, XK_Insert, selpaste, {.i = 0} }, + { TERMMOD, XK_Num_Lock, numlock, {.i = 0} }, + { TERMMOD, XK_Return, newterm, {.i = 0} }, + { TERMMOD, XK_Escape, keyboard_select, { 0 } }, + { TERMMOD, XK_F, searchforward, { 0 } }, + { TERMMOD, XK_B, searchbackward, { 0 } }, +}; + +/* + * Special keys (change & recompile st.info accordingly) + * + * Mask value: + * * Use XK_ANY_MOD to match the key no matter modifiers state + * * Use XK_NO_MOD to match the key alone (no modifiers) + * appkey value: + * * 0: no value + * * > 0: keypad application mode enabled + * * = 2: term.numlock = 1 + * * < 0: keypad application mode disabled + * appcursor value: + * * 0: no value + * * > 0: cursor application mode enabled + * * < 0: cursor application mode disabled + * + * Be careful with the order of the definitions because st searches in + * this table sequentially, so any XK_ANY_MOD must be in the last + * position for a key. + */ + +/* + * State bits to ignore when matching key or button events. By default, + * numlock (Mod2Mask) and keyboard layout (XK_SWITCH_MOD) are ignored. + */ +static uint ignoremod = Mod2Mask|XK_SWITCH_MOD; + +/* + * Selection types' masks. + * Use the same masks as usual. + * Button1Mask is always unset, to make masks match between ButtonPress. + * ButtonRelease and MotionNotify. + * If no match is found, regular selection is used. + */ +static uint selmasks[] = { + [SEL_RECTANGULAR] = Mod1Mask, +}; + +/* + * Printable characters in ASCII, used to estimate the advance width + * of single wide characters. + */ +static char ascii_printable[] = + " !\"#$%&'()*+,-./0123456789:;<=>?" + "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_" + "`abcdefghijklmnopqrstuvwxyz{|}~"; + +/** + * Undercurl style. Set UNDERCURL_STYLE to one of the available styles. + * + * Curly: Dunno how to draw it *shrug* + * _ _ _ _ + * ( ) ( ) ( ) ( ) + * (_) (_) (_) (_) + * + * Spiky: + * /\ /\ /\ /\ + * \/ \/ \/ + * + * Capped: + * _ _ _ + * / \ / \ / \ + * \_/ \_/ + */ +// Available styles +#define UNDERCURL_CURLY 0 +#define UNDERCURL_SPIKY 1 +#define UNDERCURL_CAPPED 2 +// Active style +#define UNDERCURL_STYLE UNDERCURL_SPIKY diff --git a/config.h b/config.h new file mode 100644 index 0000000..7dd598e --- /dev/null +++ b/config.h @@ -0,0 +1,332 @@ +/* See LICENSE file for copyright and license details. */ + +/* + * appearance + * + * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html + */ +static char *font = "FiraCode Nerd Font:pixelsize=14"; +/* Spare fonts */ +static char *font2[] = { + "Noto Color Emoji:pixelsize=14", +}; + +static int borderpx = 2; + +/* modkey options: ControlMask, ShiftMask or XK_ANY_MOD */ +static uint url_opener_modkey = XK_ANY_MOD; +static char *url_opener = "xdg-open"; + +/* + * What program is execed by st depends of these precedence rules: + * 1: program passed with -e + * 2: scroll and/or utmp + * 3: SHELL environment variable + * 4: value of shell in /etc/passwd + * 5: value of shell in config.h + */ +static char *shell = "/bin/sh"; +char *utmp = NULL; +/* scroll program: to enable use a string like "scroll" */ +char *scroll = NULL; +char *stty_args = "stty raw pass8 nl -echo -iexten -cstopb 38400"; + +/* identification sequence returned in DA and DECID */ +char *vtiden = "\033[?62;4c"; /* VT200 family (62) with sixel (4) */ + +/* sixel rgb byte order: LSBFirst or MSBFirst */ +int const sixelbyteorder = LSBFirst; + +/* Kerning / character bounding-box multipliers */ +static float cwscale = 1.0; +static float chscale = 1.0; + +/* + * word delimiter string + * + * More advanced example: L" `'\"()[]{}" + */ +wchar_t *worddelimiters = L" `'\"()[]{}=,"; + +/* Word delimiters for short and long jumps in the keyboard select patch */ +wchar_t *kbds_sdelim = L"!\"#$%&'()*+,-./:;<=>?@[\\]^`{|}~ "; +wchar_t *kbds_ldelim = L" "; + +/* selection timeouts (in milliseconds) */ +static unsigned int doubleclicktimeout = 300; +static unsigned int tripleclicktimeout = 600; + +/* alt screens */ +int allowaltscreen = 1; + +/* allow certain non-interactive (insecure) window operations such as: + setting the clipboard text */ +int allowwindowops = 0; + +/* + * draw latency range in ms - from new content/keypress/etc until drawing. + * within this range, st draws when content stops arriving (idle). mostly it's + * near minlatency, but it waits longer for slow updates to avoid partial draw. + * low minlatency will tear/flicker more, as it can "detect" idle too early. + */ +static double minlatency = 2; +static double maxlatency = 33; + +/* + * Synchronized-Update timeout in ms + * https://gitlab.com/gnachman/iterm2/-/wikis/synchronized-updates-spec + */ +static uint su_timeout = 200; + +/* + * blinking timeout (set to 0 to disable blinking) for the terminal blinking + * attribute. + */ +static unsigned int blinktimeout = 800; + +/* + * thickness of underline and bar cursors + */ +static unsigned int cursorthickness = 2; + +/* Hide the X cursor whenever a key is pressed. 0: off, 1: on */ +int hidecursor = 1; + +/* + * 1: render most of the lines/blocks characters without using the font for + * perfect alignment between cells (U2500 - U259F except dashes/diagonals). + * Bold affects lines thickness if boxdraw_bold is not 0. Italic is ignored. + * 0: disable (render all U25XX glyphs normally from the font). + */ +const int boxdraw = 1; +const int boxdraw_bold = 0; + +/* braille (U28XX): 1: render as adjacent "pixels", 0: use font */ +const int boxdraw_braille = 1; + +/* + * bell volume. It must be a value between -100 and 100. Use 0 for disabling + * it + */ +static int bellvolume = 0; + +/* default TERM value */ +char *termname = "st-256color"; + +/* + * spaces per tab + * + * When you are changing this value, don't forget to adapt the »it« value in + * the st.info and appropriately install the st.info in the environment where + * you use this st version. + * + * it#$tabspaces, + * + * Secondly make sure your kernel is not expanding tabs. When running `stty + * -a` »tab0« should appear. You can tell the terminal to not expand tabs by + * running following command: + * + * stty tabs + */ +unsigned int tabspaces = 8; + +#define BLACK "#15161E" +#define RED "#f7768e" +#define GREEN "#9ece6a" +#define ORANGE "#e0af68" +#define BLUE "#7aa2f7" +#define MAGENTA "#bb9af7" +#define CYAN "#7dcfff" +#define LIGHT_GRAY "#a9b1d6" +#define GRAY "#414868" +#define WHITE "#c0caf5" +#define UNDEFINED "#ff0000" + +/* Terminal colors (16 first used in escape sequence) */ +static const char *colorname[] = { + /* 8 normal colors */ + BLACK, RED, GREEN, ORANGE, BLUE, MAGENTA, CYAN, LIGHT_GRAY, + + /* 8 bright colors */ + GRAY, RED, GREEN, ORANGE, BLUE, MAGENTA, CYAN, WHITE, + + [255] = 0, + + /* more colors can be added after 255 to use with DefaultXX */ + "#1a1b26", /* 256 -> darker black */ + "#283457", /* 257 -> selection background colour */ +}; + +/* + * Default colors (colorname index) + * foreground, background, cursor, reverse cursor + */ +unsigned int defaultfg = 15; +unsigned int defaultbg = 256; +unsigned int defaultcs = 15; +unsigned int defaultrcs = 256; +unsigned int selectionfg = 15; +unsigned int selectionbg = 257; +/* If 0 use selectionfg as foreground in order to have a uniform + * foreground-color */ +/* Else if 1 keep original foreground-color of each cell => more colors :) */ +static int ignoreselfg = 1; +/* Foreground and background color of search results */ +unsigned int highlightfg = 256; +unsigned int highlightbg = 3; + +/* + * https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h4-Functions-using-CSI-_-ordered-by-the-final-character-lparen-s-rparen:CSI-Ps-SP-q.1D81 + * Default style of cursor + * 0: Blinking block + * 1: Blinking block (default) + * 2: Steady block ("â–ˆ") + * 3: Blinking underline + * 4: Steady underline ("_") + * 5: Blinking bar + * 6: Steady bar ("|") + * 7: Blinking st cursor + * 8: Steady st cursor + */ +static unsigned int cursorstyle = 1; +static Rune stcursor = 0x2603; /* snowman (U+2603) */ + +/* + * Default columns and rows numbers + */ + +static unsigned int cols = 80; +static unsigned int rows = 24; + +/* + * Default colour and shape of the mouse cursor + */ +static unsigned int mouseshape = XC_xterm; +static unsigned int mousefg = 7; +static unsigned int mousebg = 0; + +/* + * Color used to display font attributes when fontconfig selected a font which + * doesn't match the ones requested. + */ +static unsigned int defaultattr = 11; + +/* + * Force mouse select/shortcuts while mask is active (when MODE_MOUSE is set). + * Note that if you want to use ShiftMask with selmasks, set this to an other + * modifier, set to 0 to not use it. + */ +static uint forcemousemod = ShiftMask; + +/* + * Internal mouse shortcuts. + * Beware that overloading Button1 will disable the selection. + */ +static MouseShortcut mshortcuts[] = { + /* mask button function argument release + screen */ + {ShiftMask, Button4, kscrollup, {.i = 1}, 0, S_PRI}, + {ShiftMask, Button5, kscrolldown, {.i = 1}, 0, S_PRI}, +}; + +/* Internal keyboard shortcuts. */ +#define MODKEY Mod1Mask +#define TERMMOD (ControlMask | ShiftMask) + +static char *openurlcmd[] = {"/bin/sh", "-c", + "xurls | dmenu -l 10 -w $WINDOWID | xargs -r open", + "externalpipe", NULL}; + +static char *setbgcolorcmd[] = {"/bin/sh", "-c", "printf '\033]11;#008000\007'", + "externalpipein", NULL}; + +static Shortcut shortcuts[] = { + {XK_ANY_MOD, XK_Break, sendbreak, {.i = 0}}, + {ControlMask, XK_Print, toggleprinter, {.i = 0}}, + {TERMMOD, XK_Print, printscreen, {.i = 0}}, + {XK_ANY_MOD, XK_Print, printsel, {.i = 0}}, + {TERMMOD, XK_Prior, zoom, {.f = +3}}, + {TERMMOD, XK_Next, zoom, {.f = -3}}, + {TERMMOD, XK_Home, zoomreset, {.f = 0}}, + {TERMMOD, XK_C, clipcopy, {.i = 0}}, + {TERMMOD, XK_V, clippaste, {.i = 0}}, + {TERMMOD, XK_Y, selpaste, {.i = 0}}, + {TERMMOD, XK_K, kscrollup, {.i = 1}, S_PRI}, + {TERMMOD, XK_J, kscrolldown, {.i = 1}, S_PRI}, + {TERMMOD, XK_U, kscrollup, {.i = 20}, S_PRI}, + {TERMMOD, XK_D, kscrolldown, {.i = 20}, S_PRI}, + {TERMMOD, XK_Num_Lock, numlock, {.i = 0}}, + {TERMMOD, XK_Escape, keyboard_select, {0}}, + {TERMMOD, XK_F, searchforward, {0}}, + {TERMMOD, XK_B, searchbackward, {0}}, +}; + +/* + * Special keys (change & recompile st.info accordingly) + * + * Mask value: + * * Use XK_ANY_MOD to match the key no matter modifiers state + * * Use XK_NO_MOD to match the key alone (no modifiers) + * appkey value: + * * 0: no value + * * > 0: keypad application mode enabled + * * = 2: term.numlock = 1 + * * < 0: keypad application mode disabled + * appcursor value: + * * 0: no value + * * > 0: cursor application mode enabled + * * < 0: cursor application mode disabled + * + * Be careful with the order of the definitions because st searches in + * this table sequentially, so any XK_ANY_MOD must be in the last + * position for a key. + */ + +/* + * State bits to ignore when matching key or button events. By default, + * numlock (Mod2Mask) and keyboard layout (XK_SWITCH_MOD) are ignored. + */ +static uint ignoremod = Mod2Mask | XK_SWITCH_MOD; + +/* + * Selection types' masks. + * Use the same masks as usual. + * Button1Mask is always unset, to make masks match between ButtonPress. + * ButtonRelease and MotionNotify. + * If no match is found, regular selection is used. + */ +static uint selmasks[] = { + [SEL_RECTANGULAR] = Mod1Mask, +}; + +/* + * Printable characters in ASCII, used to estimate the advance width + * of single wide characters. + */ +static char ascii_printable[] = " !\"#$%&'()*+,-./0123456789:;<=>?" + "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_" + "`abcdefghijklmnopqrstuvwxyz{|}~"; + +/** + * Undercurl style. Set UNDERCURL_STYLE to one of the available styles. + * + * Curly: Dunno how to draw it *shrug* + * _ _ _ _ + * ( ) ( ) ( ) ( ) + * (_) (_) (_) (_) + * + * Spiky: + * /\ /\ /\ /\ + * \/ \/ \/ + * + * Capped: + * _ _ _ + * / \ / \ / \ + * \_/ \_/ + */ +// Available styles +#define UNDERCURL_CURLY 0 +#define UNDERCURL_SPIKY 1 +#define UNDERCURL_CAPPED 2 +// Active style +#define UNDERCURL_STYLE UNDERCURL_CURLY diff --git a/config.mk b/config.mk new file mode 100644 index 0000000..ea3a8b2 --- /dev/null +++ b/config.mk @@ -0,0 +1,60 @@ +# st version +VERSION = 0.9.1 + +# Customize below to fit your system + +# paths +PREFIX = /usr/local +MANPREFIX = $(PREFIX)/share/man +ICONPREFIX = $(PREFIX)/share/pixmaps +ICONNAME = st.png + +X11INC = /usr/include/X11 +X11LIB = /usr/lib + +PKG_CONFIG = pkg-config + +# Uncomment this for the alpha patch / ALPHA_PATCH +#XRENDER = `$(PKG_CONFIG) --libs xrender` + +# Uncomment this for the themed cursor patch / THEMED_CURSOR_PATCH +#XCURSOR = `$(PKG_CONFIG) --libs xcursor` + +# Uncomment the lines below for the ligatures patch / LIGATURES_PATCH +LIGATURES_C = hb.c +LIGATURES_H = hb.h +LIGATURES_INC = `$(PKG_CONFIG) --cflags harfbuzz` +LIGATURES_LIBS = `$(PKG_CONFIG) --libs harfbuzz` + +# Uncomment this for the SIXEL patch / SIXEL_PATCH +SIXEL_C = sixel.c sixel_hls.c +SIXEL_LIBS = `$(PKG_CONFIG) --libs imlib2` + +# Uncomment for the netwmicon patch / NETWMICON_PATCH +#NETWMICON_LIBS = `$(PKG_CONFIG) --libs gdlib` + +# includes and libs, uncomment harfbuzz for the ligatures patch +INCS = -I$(X11INC) \ + `$(PKG_CONFIG) --cflags fontconfig` \ + `$(PKG_CONFIG) --cflags freetype2` \ + $(LIGATURES_INC) +LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft ${SIXEL_LIBS} ${XRENDER} ${XCURSOR}\ + `$(PKG_CONFIG) --libs fontconfig` \ + `$(PKG_CONFIG) --libs freetype2` \ + $(LIGATURES_LIBS) \ + $(NETWMICON_LIBS) + +# flags +STCPPFLAGS = -DVERSION=\"$(VERSION)\" -DICON=\"$(ICONPREFIX)/$(ICONNAME)\" -D_XOPEN_SOURCE=600 +STCFLAGS = $(INCS) $(STCPPFLAGS) $(CPPFLAGS) $(CFLAGS) +STLDFLAGS = $(LIBS) $(LDFLAGS) + +# OpenBSD: +#CPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600 -D_BSD_SOURCE +#LIBS = -L$(X11LIB) -lm -lX11 -lutil -lXft \ +# `pkg-config --libs fontconfig` \ +# `pkg-config --libs freetype2` +#MANPREFIX = ${PREFIX}/man + +# compiler and linker +# CC = c99 diff --git a/hb.c b/hb.c new file mode 100644 index 0000000..d89d8c2 --- /dev/null +++ b/hb.c @@ -0,0 +1,147 @@ +#include +#include +#include +#include +#include +#include +#include +#include + +#include "st.h" +#include "hb.h" + +#define FEATURE(c1,c2,c3,c4) { .tag = HB_TAG(c1,c2,c3,c4), .value = 1, .start = HB_FEATURE_GLOBAL_START, .end = HB_FEATURE_GLOBAL_END } +#define BUFFER_STEP 256 + +hb_font_t *hbfindfont(XftFont *match); + +typedef struct { + XftFont *match; + hb_font_t *font; +} HbFontMatch; + +typedef struct { + size_t capacity; + HbFontMatch *fonts; +} HbFontCache; + +static HbFontCache hbfontcache = { 0, NULL }; + +typedef struct { + size_t capacity; + Rune *runes; +} RuneBuffer; + +static RuneBuffer hbrunebuffer = { 0, NULL }; +static hb_buffer_t *hbbuffer; + +/* + * Poplulate the array with a list of font features, wrapped in FEATURE macro, + * e. g. + * FEATURE('c', 'a', 'l', 't'), FEATURE('d', 'l', 'i', 'g') + */ +hb_feature_t features[] = { + FEATURE('c','v','0','2'), + FEATURE('c','v','1','6'), + FEATURE('s','s','0','2'), + FEATURE('s','s','0','3'), + FEATURE('s','s','0','7'), + FEATURE('s','s','0','8'), + FEATURE('s','s','0','9'), +}; + +void +hbcreatebuffer(void) +{ + hbbuffer = hb_buffer_create(); +} + +void +hbdestroybuffer(void) +{ + hb_buffer_destroy(hbbuffer); +} + +void +hbunloadfonts(void) +{ + for (int i = 0; i < hbfontcache.capacity; i++) { + hb_font_destroy(hbfontcache.fonts[i].font); + XftUnlockFace(hbfontcache.fonts[i].match); + } + + if (hbfontcache.fonts != NULL) { + free(hbfontcache.fonts); + hbfontcache.fonts = NULL; + } + hbfontcache.capacity = 0; +} + +hb_font_t * +hbfindfont(XftFont *match) +{ + for (int i = 0; i < hbfontcache.capacity; i++) { + if (hbfontcache.fonts[i].match == match) + return hbfontcache.fonts[i].font; + } + + /* Font not found in cache, caching it now. */ + hbfontcache.fonts = realloc(hbfontcache.fonts, sizeof(HbFontMatch) * (hbfontcache.capacity + 1)); + FT_Face face = XftLockFace(match); + hb_font_t *font = hb_ft_font_create(face, NULL); + if (font == NULL) + die("Failed to load Harfbuzz font."); + + hbfontcache.fonts[hbfontcache.capacity].match = match; + hbfontcache.fonts[hbfontcache.capacity].font = font; + hbfontcache.capacity += 1; + + return font; +} + +void +hbtransform(HbTransformData *data, XftFont *xfont, const Glyph *glyphs, int start, int length) +{ + uint32_t mode; + unsigned int glyph_count; + int rune_idx, glyph_idx, end = start + length; + hb_buffer_t *buffer = hbbuffer; + + hb_font_t *font = hbfindfont(xfont); + if (font == NULL) { + data->count = 0; + return; + } + + hb_buffer_reset(buffer); + hb_buffer_set_direction(buffer, HB_DIRECTION_LTR); + hb_buffer_set_cluster_level(buffer, HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS); + + /* Resize the buffer if required length is larger. */ + if (hbrunebuffer.capacity < length) { + hbrunebuffer.capacity = (length / BUFFER_STEP + 1) * BUFFER_STEP; + hbrunebuffer.runes = realloc(hbrunebuffer.runes, hbrunebuffer.capacity * sizeof(Rune)); + } + + /* Fill buffer with codepoints. */ + for (rune_idx = 0, glyph_idx = start; glyph_idx < end; glyph_idx++, rune_idx++) { + hbrunebuffer.runes[rune_idx] = glyphs[glyph_idx].u; + mode = glyphs[glyph_idx].mode; + if (mode & ATTR_WDUMMY) + hbrunebuffer.runes[rune_idx] = 0x0020; + } + hb_buffer_add_codepoints(buffer, hbrunebuffer.runes, length, 0, length); + + /* Shape the segment. */ + hb_shape(font, buffer, features, sizeof(features)/sizeof(hb_feature_t)); + + /* Get new glyph info. */ + hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, &glyph_count); + hb_glyph_position_t *pos = hb_buffer_get_glyph_positions(buffer, &glyph_count); + + /* Fill the output. */ + data->buffer = buffer; + data->glyphs = info; + data->positions = pos; + data->count = glyph_count; +} diff --git a/hb.h b/hb.h new file mode 100644 index 0000000..cb7ea48 --- /dev/null +++ b/hb.h @@ -0,0 +1,15 @@ +#include +#include +#include + +typedef struct { + hb_buffer_t *buffer; + hb_glyph_info_t *glyphs; + hb_glyph_position_t *positions; + unsigned int count; +} HbTransformData; + +void hbcreatebuffer(void); +void hbdestroybuffer(void); +void hbunloadfonts(void); +void hbtransform(HbTransformData *, XftFont *, const Glyph *, int, int); diff --git a/patch/boxdraw.c b/patch/boxdraw.c new file mode 100644 index 0000000..ef1e110 --- /dev/null +++ b/patch/boxdraw.c @@ -0,0 +1,192 @@ +/* + * Copyright 2018 Avi Halachmi (:avih) avihpit@yahoo.com https://github.com/avih + * MIT/X Consortium License + */ + +#include + +/* Rounded non-negative integers division of n / d */ +#define DIV(n, d) (((n) + (d) / 2) / (d)) + +static Display *xdpy; +static Colormap xcmap; +static XftDraw *xd; +static Visual *xvis; + +static void drawbox(int, int, int, int, XftColor *, XftColor *, ushort); +static void drawboxlines(int, int, int, int, XftColor *, ushort); + +/* public API */ + +void +boxdraw_xinit(Display *dpy, Colormap cmap, XftDraw *draw, Visual *vis) +{ + xdpy = dpy; xcmap = cmap; xd = draw, xvis = vis; +} + +int +isboxdraw(Rune u) +{ + Rune block = u & ~0xff; + return (boxdraw && block == 0x2500 && boxdata[(uint8_t)u]) || + (boxdraw_braille && block == 0x2800); +} + +/* the "index" is actually the entire shape data encoded as ushort */ +ushort +boxdrawindex(const Glyph *g) +{ + if (boxdraw_braille && (g->u & ~0xff) == 0x2800) + return BRL | (uint8_t)g->u; + if (boxdraw_bold && (g->mode & ATTR_BOLD)) + return BDB | boxdata[(uint8_t)g->u]; + return boxdata[(uint8_t)g->u]; +} + +void +drawboxes(int x, int y, int cw, int ch, XftColor *fg, XftColor *bg, + const XftGlyphFontSpec *specs, int len) +{ + for ( ; len-- > 0; x += cw, specs++) + drawbox(x, y, cw, ch, fg, bg, (ushort)specs->glyph); +} + +/* implementation */ + +void +drawbox(int x, int y, int w, int h, XftColor *fg, XftColor *bg, ushort bd) +{ + ushort cat = bd & ~(BDB | 0xff); /* mask out bold and data */ + if (bd & (BDL | BDA)) { + /* lines (light/double/heavy/arcs) */ + drawboxlines(x, y, w, h, fg, bd); + + } else if (cat == BBD) { + /* lower (8-X)/8 block */ + int d = DIV((uint8_t)bd * h, 8); + XftDrawRect(xd, fg, x, y + d, w, h - d); + + } else if (cat == BBU) { + /* upper X/8 block */ + XftDrawRect(xd, fg, x, y, w, DIV((uint8_t)bd * h, 8)); + + } else if (cat == BBL) { + /* left X/8 block */ + XftDrawRect(xd, fg, x, y, DIV((uint8_t)bd * w, 8), h); + + } else if (cat == BBR) { + /* right (8-X)/8 block */ + int d = DIV((uint8_t)bd * w, 8); + XftDrawRect(xd, fg, x + d, y, w - d, h); + + } else if (cat == BBQ) { + /* Quadrants */ + int w2 = DIV(w, 2), h2 = DIV(h, 2); + if (bd & TL) + XftDrawRect(xd, fg, x, y, w2, h2); + if (bd & TR) + XftDrawRect(xd, fg, x + w2, y, w - w2, h2); + if (bd & BL) + XftDrawRect(xd, fg, x, y + h2, w2, h - h2); + if (bd & BR) + XftDrawRect(xd, fg, x + w2, y + h2, w - w2, h - h2); + + } else if (bd & BBS) { + /* Shades - data is 1/2/3 for 25%/50%/75% alpha, respectively */ + int d = (uint8_t)bd; + XftColor xfc; + XRenderColor xrc = { .alpha = 0xffff }; + + xrc.red = DIV(fg->color.red * d + bg->color.red * (4 - d), 4); + xrc.green = DIV(fg->color.green * d + bg->color.green * (4 - d), 4); + xrc.blue = DIV(fg->color.blue * d + bg->color.blue * (4 - d), 4); + + XftColorAllocValue(xdpy, xvis, xcmap, &xrc, &xfc); + XftDrawRect(xd, &xfc, x, y, w, h); + XftColorFree(xdpy, xvis, xcmap, &xfc); + + } else if (cat == BRL) { + /* braille, each data bit corresponds to one dot at 2x4 grid */ + int w1 = DIV(w, 2); + int h1 = DIV(h, 4), h2 = DIV(h, 2), h3 = DIV(3 * h, 4); + + if (bd & 1) XftDrawRect(xd, fg, x, y, w1, h1); + if (bd & 2) XftDrawRect(xd, fg, x, y + h1, w1, h2 - h1); + if (bd & 4) XftDrawRect(xd, fg, x, y + h2, w1, h3 - h2); + if (bd & 8) XftDrawRect(xd, fg, x + w1, y, w - w1, h1); + if (bd & 16) XftDrawRect(xd, fg, x + w1, y + h1, w - w1, h2 - h1); + if (bd & 32) XftDrawRect(xd, fg, x + w1, y + h2, w - w1, h3 - h2); + if (bd & 64) XftDrawRect(xd, fg, x, y + h3, w1, h - h3); + if (bd & 128) XftDrawRect(xd, fg, x + w1, y + h3, w - w1, h - h3); + + } +} + +void +drawboxlines(int x, int y, int w, int h, XftColor *fg, ushort bd) +{ + /* s: stem thickness. width/8 roughly matches underscore thickness. */ + /* We draw bold as 1.5 * normal-stem and at least 1px thicker. */ + /* doubles draw at least 3px, even when w or h < 3. bold needs 6px. */ + int mwh = MIN(w, h); + int base_s = MAX(1, DIV(mwh, 8)); + int bold = (bd & BDB) && mwh >= 6; /* possibly ignore boldness */ + int s = bold ? MAX(base_s + 1, DIV(3 * base_s, 2)) : base_s; + int w2 = DIV(w - s, 2), h2 = DIV(h - s, 2); + /* the s-by-s square (x + w2, y + h2, s, s) is the center texel. */ + /* The base length (per direction till edge) includes this square. */ + + int light = bd & (LL | LU | LR | LD); + int double_ = bd & (DL | DU | DR | DD); + + if (light) { + /* d: additional (negative) length to not-draw the center */ + /* texel - at arcs and avoid drawing inside (some) doubles */ + int arc = bd & BDA; + int multi_light = light & (light - 1); + int multi_double = double_ & (double_ - 1); + /* light crosses double only at DH+LV, DV+LH (ref. shapes) */ + int d = arc || (multi_double && !multi_light) ? -s : 0; + + if (bd & LL) + XftDrawRect(xd, fg, x, y + h2, w2 + s + d, s); + if (bd & LU) + XftDrawRect(xd, fg, x + w2, y, s, h2 + s + d); + if (bd & LR) + XftDrawRect(xd, fg, x + w2 - d, y + h2, w - w2 + d, s); + if (bd & LD) + XftDrawRect(xd, fg, x + w2, y + h2 - d, s, h - h2 + d); + } + + /* double lines - also align with light to form heavy when combined */ + if (double_) { + /* + * going clockwise, for each double-ray: p is additional length + * to the single-ray nearer to the previous direction, and n to + * the next. p and n adjust from the base length to lengths + * which consider other doubles - shorter to avoid intersections + * (p, n), or longer to draw the far-corner texel (n). + */ + int dl = bd & DL, du = bd & DU, dr = bd & DR, dd = bd & DD; + if (dl) { + int p = dd ? -s : 0, n = du ? -s : dd ? s : 0; + XftDrawRect(xd, fg, x, y + h2 + s, w2 + s + p, s); + XftDrawRect(xd, fg, x, y + h2 - s, w2 + s + n, s); + } + if (du) { + int p = dl ? -s : 0, n = dr ? -s : dl ? s : 0; + XftDrawRect(xd, fg, x + w2 - s, y, s, h2 + s + p); + XftDrawRect(xd, fg, x + w2 + s, y, s, h2 + s + n); + } + if (dr) { + int p = du ? -s : 0, n = dd ? -s : du ? s : 0; + XftDrawRect(xd, fg, x + w2 - p, y + h2 - s, w - w2 + p, s); + XftDrawRect(xd, fg, x + w2 - n, y + h2 + s, w - w2 + n, s); + } + if (dd) { + int p = dr ? -s : 0, n = dl ? -s : dr ? s : 0; + XftDrawRect(xd, fg, x + w2 + s, y + h2 - p, s, h - h2 + p); + XftDrawRect(xd, fg, x + w2 - s, y + h2 - n, s, h - h2 + n); + } + } +} diff --git a/patch/boxdraw.h b/patch/boxdraw.h new file mode 100644 index 0000000..7890500 --- /dev/null +++ b/patch/boxdraw.h @@ -0,0 +1,214 @@ +/* + * Copyright 2018 Avi Halachmi (:avih) avihpit@yahoo.com https://github.com/avih + * MIT/X Consortium License + */ + +/* + * U+25XX codepoints data + * + * References: + * http://www.unicode.org/charts/PDF/U2500.pdf + * http://www.unicode.org/charts/PDF/U2580.pdf + * + * Test page: + * https://github.com/GNOME/vte/blob/master/doc/boxes.txt + */ + +/* Each shape is encoded as 16-bits. Higher bits are category, lower are data */ +/* Categories (mutually exclusive except BDB): */ +/* For convenience, BDL/BDA/BBS/BDB are 1 bit each, the rest are enums */ +#define BDL (1<<8) /* Box Draw Lines (light/double/heavy) */ +#define BDA (1<<9) /* Box Draw Arc (light) */ + +#define BBD (1<<10) /* Box Block Down (lower) X/8 */ +#define BBL (2<<10) /* Box Block Left X/8 */ +#define BBU (3<<10) /* Box Block Upper X/8 */ +#define BBR (4<<10) /* Box Block Right X/8 */ +#define BBQ (5<<10) /* Box Block Quadrants */ +#define BRL (6<<10) /* Box Braille (data is lower byte of U28XX) */ + +#define BBS (1<<14) /* Box Block Shades */ +#define BDB (1<<15) /* Box Draw is Bold */ + +/* (BDL/BDA) Light/Double/Heavy x Left/Up/Right/Down/Horizontal/Vertical */ +/* Heavy is light+double (literally drawing light+double align to form heavy) */ +#define LL (1<<0) +#define LU (1<<1) +#define LR (1<<2) +#define LD (1<<3) +#define LH (LL+LR) +#define LV (LU+LD) + +#define DL (1<<4) +#define DU (1<<5) +#define DR (1<<6) +#define DD (1<<7) +#define DH (DL+DR) +#define DV (DU+DD) + +#define HL (LL+DL) +#define HU (LU+DU) +#define HR (LR+DR) +#define HD (LD+DD) +#define HH (HL+HR) +#define HV (HU+HD) + +/* (BBQ) Quadrants Top/Bottom x Left/Right */ +#define TL (1<<0) +#define TR (1<<1) +#define BL (1<<2) +#define BR (1<<3) + +/* Data for U+2500 - U+259F except dashes/diagonals */ +static const unsigned short boxdata[256] = { + /* light lines */ + [0x00] = BDL + LH, /* light horizontal */ + [0x02] = BDL + LV, /* light vertical */ + [0x0c] = BDL + LD + LR, /* light down and right */ + [0x10] = BDL + LD + LL, /* light down and left */ + [0x14] = BDL + LU + LR, /* light up and right */ + [0x18] = BDL + LU + LL, /* light up and left */ + [0x1c] = BDL + LV + LR, /* light vertical and right */ + [0x24] = BDL + LV + LL, /* light vertical and left */ + [0x2c] = BDL + LH + LD, /* light horizontal and down */ + [0x34] = BDL + LH + LU, /* light horizontal and up */ + [0x3c] = BDL + LV + LH, /* light vertical and horizontal */ + [0x74] = BDL + LL, /* light left */ + [0x75] = BDL + LU, /* light up */ + [0x76] = BDL + LR, /* light right */ + [0x77] = BDL + LD, /* light down */ + + /* heavy [+light] lines */ + [0x01] = BDL + HH, + [0x03] = BDL + HV, + [0x0d] = BDL + HR + LD, + [0x0e] = BDL + HD + LR, + [0x0f] = BDL + HD + HR, + [0x11] = BDL + HL + LD, + [0x12] = BDL + HD + LL, + [0x13] = BDL + HD + HL, + [0x15] = BDL + HR + LU, + [0x16] = BDL + HU + LR, + [0x17] = BDL + HU + HR, + [0x19] = BDL + HL + LU, + [0x1a] = BDL + HU + LL, + [0x1b] = BDL + HU + HL, + [0x1d] = BDL + HR + LV, + [0x1e] = BDL + HU + LD + LR, + [0x1f] = BDL + HD + LR + LU, + [0x20] = BDL + HV + LR, + [0x21] = BDL + HU + HR + LD, + [0x22] = BDL + HD + HR + LU, + [0x23] = BDL + HV + HR, + [0x25] = BDL + HL + LV, + [0x26] = BDL + HU + LD + LL, + [0x27] = BDL + HD + LU + LL, + [0x28] = BDL + HV + LL, + [0x29] = BDL + HU + HL + LD, + [0x2a] = BDL + HD + HL + LU, + [0x2b] = BDL + HV + HL, + [0x2d] = BDL + HL + LD + LR, + [0x2e] = BDL + HR + LL + LD, + [0x2f] = BDL + HH + LD, + [0x30] = BDL + HD + LH, + [0x31] = BDL + HD + HL + LR, + [0x32] = BDL + HR + HD + LL, + [0x33] = BDL + HH + HD, + [0x35] = BDL + HL + LU + LR, + [0x36] = BDL + HR + LU + LL, + [0x37] = BDL + HH + LU, + [0x38] = BDL + HU + LH, + [0x39] = BDL + HU + HL + LR, + [0x3a] = BDL + HU + HR + LL, + [0x3b] = BDL + HH + HU, + [0x3d] = BDL + HL + LV + LR, + [0x3e] = BDL + HR + LV + LL, + [0x3f] = BDL + HH + LV, + [0x40] = BDL + HU + LH + LD, + [0x41] = BDL + HD + LH + LU, + [0x42] = BDL + HV + LH, + [0x43] = BDL + HU + HL + LD + LR, + [0x44] = BDL + HU + HR + LD + LL, + [0x45] = BDL + HD + HL + LU + LR, + [0x46] = BDL + HD + HR + LU + LL, + [0x47] = BDL + HH + HU + LD, + [0x48] = BDL + HH + HD + LU, + [0x49] = BDL + HV + HL + LR, + [0x4a] = BDL + HV + HR + LL, + [0x4b] = BDL + HV + HH, + [0x78] = BDL + HL, + [0x79] = BDL + HU, + [0x7a] = BDL + HR, + [0x7b] = BDL + HD, + [0x7c] = BDL + HR + LL, + [0x7d] = BDL + HD + LU, + [0x7e] = BDL + HL + LR, + [0x7f] = BDL + HU + LD, + + /* double [+light] lines */ + [0x50] = BDL + DH, + [0x51] = BDL + DV, + [0x52] = BDL + DR + LD, + [0x53] = BDL + DD + LR, + [0x54] = BDL + DR + DD, + [0x55] = BDL + DL + LD, + [0x56] = BDL + DD + LL, + [0x57] = BDL + DL + DD, + [0x58] = BDL + DR + LU, + [0x59] = BDL + DU + LR, + [0x5a] = BDL + DU + DR, + [0x5b] = BDL + DL + LU, + [0x5c] = BDL + DU + LL, + [0x5d] = BDL + DL + DU, + [0x5e] = BDL + DR + LV, + [0x5f] = BDL + DV + LR, + [0x60] = BDL + DV + DR, + [0x61] = BDL + DL + LV, + [0x62] = BDL + DV + LL, + [0x63] = BDL + DV + DL, + [0x64] = BDL + DH + LD, + [0x65] = BDL + DD + LH, + [0x66] = BDL + DD + DH, + [0x67] = BDL + DH + LU, + [0x68] = BDL + DU + LH, + [0x69] = BDL + DH + DU, + [0x6a] = BDL + DH + LV, + [0x6b] = BDL + DV + LH, + [0x6c] = BDL + DH + DV, + + /* (light) arcs */ + [0x6d] = BDA + LD + LR, + [0x6e] = BDA + LD + LL, + [0x6f] = BDA + LU + LL, + [0x70] = BDA + LU + LR, + + /* Lower (Down) X/8 block (data is 8 - X) */ + [0x81] = BBD + 7, [0x82] = BBD + 6, [0x83] = BBD + 5, [0x84] = BBD + 4, + [0x85] = BBD + 3, [0x86] = BBD + 2, [0x87] = BBD + 1, [0x88] = BBD + 0, + + /* Left X/8 block (data is X) */ + [0x89] = BBL + 7, [0x8a] = BBL + 6, [0x8b] = BBL + 5, [0x8c] = BBL + 4, + [0x8d] = BBL + 3, [0x8e] = BBL + 2, [0x8f] = BBL + 1, + + /* upper 1/2 (4/8), 1/8 block (X), right 1/2, 1/8 block (8-X) */ + [0x80] = BBU + 4, [0x94] = BBU + 1, + [0x90] = BBR + 4, [0x95] = BBR + 7, + + /* Quadrants */ + [0x96] = BBQ + BL, + [0x97] = BBQ + BR, + [0x98] = BBQ + TL, + [0x99] = BBQ + TL + BL + BR, + [0x9a] = BBQ + TL + BR, + [0x9b] = BBQ + TL + TR + BL, + [0x9c] = BBQ + TL + TR + BR, + [0x9d] = BBQ + TR, + [0x9e] = BBQ + BL + TR, + [0x9f] = BBQ + BL + TR + BR, + + /* Shades, data is an alpha value in 25% units (1/4, 1/2, 3/4) */ + [0x91] = BBS + 1, [0x92] = BBS + 2, [0x93] = BBS + 3, + + /* U+2504 - U+250B, U+254C - U+254F: unsupported (dashes) */ + /* U+2571 - U+2573: unsupported (diagonals) */ +}; diff --git a/patch/fixkeyboardinput.c b/patch/fixkeyboardinput.c new file mode 100644 index 0000000..073cddb --- /dev/null +++ b/patch/fixkeyboardinput.c @@ -0,0 +1,811 @@ +/* + * If you want keys other than the X11 function keys (0xFD00 - 0xFFFF) + * to be mapped below, add them to this array. + */ +static KeySym mappedkeys[] = { + XK_space, + XK_m, + XK_i, + XK_A, + XK_B, + XK_C, + XK_D, + XK_E, + XK_F, + XK_G, + XK_H, + XK_I, + XK_K, + XK_J, + XK_L, + XK_M, + XK_N, + XK_O, + XK_P, + XK_Q, + XK_R, + XK_S, + XK_T, + XK_U, + XK_V, + XK_W, + XK_X, + XK_Y, + XK_Z, + XK_0, + XK_1, + XK_2, + XK_3, + XK_4, + XK_5, + XK_6, + XK_7, + XK_8, + XK_9, + XK_exclam, + XK_quotedbl, + XK_numbersign, + XK_dollar, + XK_percent, + XK_ampersand, + XK_apostrophe, + XK_parenleft, + XK_parenright, + XK_asterisk, + XK_plus, + XK_comma, + XK_minus, + XK_period, + XK_slash, + XK_colon, + XK_semicolon, + XK_less, + XK_equal, + XK_greater, + XK_question, + XK_at, + XK_bracketleft, + XK_backslash, + XK_bracketright, + XK_asciicircum, + XK_underscore, + XK_grave, + XK_braceleft, + XK_bar, + XK_braceright, + XK_asciitilde, +}; + +/* + * This is the huge key array which defines all compatibility to the Linux + * world. Please decide about changes wisely. + */ +static Key key[] = { + /* keysym mask string appkey appcursor */ + { XK_KP_Home, ShiftMask, "\033[2J", 0, -1}, + { XK_KP_Home, ShiftMask, "\033[1;2H", 0, +1}, + { XK_KP_Prior, ShiftMask, "\033[5;2~", 0, 0}, + { XK_KP_End, ControlMask, "\033[J", -1, 0}, + { XK_KP_End, ControlMask, "\033[1;5F", +1, 0}, + { XK_KP_End, ShiftMask, "\033[K", -1, 0}, + { XK_KP_End, ShiftMask, "\033[1;2F", +1, 0}, + { XK_KP_Next, ShiftMask, "\033[6;2~", 0, 0}, + { XK_KP_Insert, ShiftMask, "\033[2;2~", +1, 0}, + { XK_KP_Insert, ShiftMask, "\033[4l", -1, 0}, + { XK_KP_Insert, ControlMask, "\033[L", -1, 0}, + { XK_KP_Insert, ControlMask, "\033[2;5~", +1, 0}, + { XK_KP_Delete, ControlMask, "\033[M", -1, 0}, + { XK_KP_Delete, ControlMask, "\033[3;5~", +1, 0}, + { XK_KP_Delete, ShiftMask, "\033[2K", -1, 0}, + { XK_KP_Delete, ShiftMask, "\033[3;2~", +1, 0}, + { XK_Up, ShiftMask, "\033[1;2A", 0, 0}, + { XK_Up, Mod1Mask, "\033[1;3A", 0, 0}, + { XK_Up, ShiftMask|Mod1Mask,"\033[1;4A", 0, 0}, + { XK_Up, ControlMask, "\033[1;5A", 0, 0}, + { XK_Up, ShiftMask|ControlMask,"\033[1;6A", 0, 0}, + { XK_Up, ControlMask|Mod1Mask,"\033[1;7A", 0, 0}, + { XK_Up,ShiftMask|ControlMask|Mod1Mask,"\033[1;8A", 0, 0}, + { XK_Up, XK_ANY_MOD, "\033[A", 0, -1}, + { XK_Up, XK_ANY_MOD, "\033OA", 0, +1}, + { XK_Down, ShiftMask, "\033[1;2B", 0, 0}, + { XK_Down, Mod1Mask, "\033[1;3B", 0, 0}, + { XK_Down, ShiftMask|Mod1Mask,"\033[1;4B", 0, 0}, + { XK_Down, ControlMask, "\033[1;5B", 0, 0}, + { XK_Down, ShiftMask|ControlMask,"\033[1;6B", 0, 0}, + { XK_Down, ControlMask|Mod1Mask,"\033[1;7B", 0, 0}, + { XK_Down,ShiftMask|ControlMask|Mod1Mask,"\033[1;8B",0, 0}, + { XK_Down, XK_ANY_MOD, "\033[B", 0, -1}, + { XK_Down, XK_ANY_MOD, "\033OB", 0, +1}, + { XK_Left, ShiftMask, "\033[1;2D", 0, 0}, + { XK_Left, Mod1Mask, "\033[1;3D", 0, 0}, + { XK_Left, ShiftMask|Mod1Mask,"\033[1;4D", 0, 0}, + { XK_Left, ControlMask, "\033[1;5D", 0, 0}, + { XK_Left, ShiftMask|ControlMask,"\033[1;6D", 0, 0}, + { XK_Left, ControlMask|Mod1Mask,"\033[1;7D", 0, 0}, + { XK_Left,ShiftMask|ControlMask|Mod1Mask,"\033[1;8D",0, 0}, + { XK_Left, XK_ANY_MOD, "\033[D", 0, -1}, + { XK_Left, XK_ANY_MOD, "\033OD", 0, +1}, + { XK_Right, ShiftMask, "\033[1;2C", 0, 0}, + { XK_Right, Mod1Mask, "\033[1;3C", 0, 0}, + { XK_Right, ShiftMask|Mod1Mask,"\033[1;4C", 0, 0}, + { XK_Right, ControlMask, "\033[1;5C", 0, 0}, + { XK_Right, ShiftMask|ControlMask,"\033[1;6C", 0, 0}, + { XK_Right, ControlMask|Mod1Mask,"\033[1;7C", 0, 0}, + { XK_Right,ShiftMask|ControlMask|Mod1Mask,"\033[1;8C",0, 0}, + { XK_Right, XK_ANY_MOD, "\033[C", 0, -1}, + { XK_Right, XK_ANY_MOD, "\033OC", 0, +1}, + { XK_ISO_Left_Tab, ShiftMask, "\033[Z", 0, 0}, + { XK_Return, Mod1Mask, "\033\r", 0, 0}, + { XK_Return, XK_NO_MOD, "\r", 0, 0}, + { XK_Insert, ShiftMask, "\033[4l", -1, 0}, + { XK_Insert, ShiftMask, "\033[2;2~", +1, 0}, + { XK_Insert, ControlMask, "\033[L", -1, 0}, + { XK_Insert, ControlMask, "\033[2;5~", +1, 0}, + { XK_Delete, ControlMask, "\033[M", -1, 0}, + { XK_Delete, ControlMask, "\033[3;5~", +1, 0}, + { XK_Delete, ShiftMask, "\033[2K", -1, 0}, + { XK_Delete, ShiftMask, "\033[3;2~", +1, 0}, + { XK_BackSpace, XK_NO_MOD, "\177", 0, 0}, + { XK_BackSpace, Mod1Mask, "\033\177", 0, 0}, + { XK_Home, ShiftMask, "\033[2J", 0, -1}, + { XK_Home, ShiftMask, "\033[1;2H", 0, +1}, + { XK_End, ControlMask, "\033[J", -1, 0}, + { XK_End, ControlMask, "\033[1;5F", +1, 0}, + { XK_End, ShiftMask, "\033[K", -1, 0}, + { XK_End, ShiftMask, "\033[1;2F", +1, 0}, + { XK_Prior, ControlMask, "\033[5;5~", 0, 0}, + { XK_Prior, ShiftMask, "\033[5;2~", 0, 0}, + { XK_Next, ControlMask, "\033[6;5~", 0, 0}, + { XK_Next, ShiftMask, "\033[6;2~", 0, 0}, + { XK_F1, XK_NO_MOD, "\033OP" , 0, 0}, + { XK_F1, /* F13 */ ShiftMask, "\033[1;2P", 0, 0}, + { XK_F1, /* F25 */ ControlMask, "\033[1;5P", 0, 0}, + { XK_F1, /* F37 */ Mod4Mask, "\033[1;6P", 0, 0}, + { XK_F1, /* F49 */ Mod1Mask, "\033[1;3P", 0, 0}, + { XK_F1, /* F61 */ Mod3Mask, "\033[1;4P", 0, 0}, + { XK_F2, XK_NO_MOD, "\033OQ" , 0, 0}, + { XK_F2, /* F14 */ ShiftMask, "\033[1;2Q", 0, 0}, + { XK_F2, /* F26 */ ControlMask, "\033[1;5Q", 0, 0}, + { XK_F2, /* F38 */ Mod4Mask, "\033[1;6Q", 0, 0}, + { XK_F2, /* F50 */ Mod1Mask, "\033[1;3Q", 0, 0}, + { XK_F2, /* F62 */ Mod3Mask, "\033[1;4Q", 0, 0}, + { XK_F3, XK_NO_MOD, "\033OR" , 0, 0}, + { XK_F3, /* F15 */ ShiftMask, "\033[1;2R", 0, 0}, + { XK_F3, /* F27 */ ControlMask, "\033[1;5R", 0, 0}, + { XK_F3, /* F39 */ Mod4Mask, "\033[1;6R", 0, 0}, + { XK_F3, /* F51 */ Mod1Mask, "\033[1;3R", 0, 0}, + { XK_F3, /* F63 */ Mod3Mask, "\033[1;4R", 0, 0}, + { XK_F4, XK_NO_MOD, "\033OS" , 0, 0}, + { XK_F4, /* F16 */ ShiftMask, "\033[1;2S", 0, 0}, + { XK_F4, /* F28 */ ControlMask, "\033[1;5S", 0, 0}, + { XK_F4, /* F40 */ Mod4Mask, "\033[1;6S", 0, 0}, + { XK_F4, /* F52 */ Mod1Mask, "\033[1;3S", 0, 0}, + { XK_F5, XK_NO_MOD, "\033[15~", 0, 0}, + { XK_F5, /* F17 */ ShiftMask, "\033[15;2~", 0, 0}, + { XK_F5, /* F29 */ ControlMask, "\033[15;5~", 0, 0}, + { XK_F5, /* F41 */ Mod4Mask, "\033[15;6~", 0, 0}, + { XK_F5, /* F53 */ Mod1Mask, "\033[15;3~", 0, 0}, + { XK_F6, XK_NO_MOD, "\033[17~", 0, 0}, + { XK_F6, /* F18 */ ShiftMask, "\033[17;2~", 0, 0}, + { XK_F6, /* F30 */ ControlMask, "\033[17;5~", 0, 0}, + { XK_F6, /* F42 */ Mod4Mask, "\033[17;6~", 0, 0}, + { XK_F6, /* F54 */ Mod1Mask, "\033[17;3~", 0, 0}, + { XK_F7, XK_NO_MOD, "\033[18~", 0, 0}, + { XK_F7, /* F19 */ ShiftMask, "\033[18;2~", 0, 0}, + { XK_F7, /* F31 */ ControlMask, "\033[18;5~", 0, 0}, + { XK_F7, /* F43 */ Mod4Mask, "\033[18;6~", 0, 0}, + { XK_F7, /* F55 */ Mod1Mask, "\033[18;3~", 0, 0}, + { XK_F8, XK_NO_MOD, "\033[19~", 0, 0}, + { XK_F8, /* F20 */ ShiftMask, "\033[19;2~", 0, 0}, + { XK_F8, /* F32 */ ControlMask, "\033[19;5~", 0, 0}, + { XK_F8, /* F44 */ Mod4Mask, "\033[19;6~", 0, 0}, + { XK_F8, /* F56 */ Mod1Mask, "\033[19;3~", 0, 0}, + { XK_F9, XK_NO_MOD, "\033[20~", 0, 0}, + { XK_F9, /* F21 */ ShiftMask, "\033[20;2~", 0, 0}, + { XK_F9, /* F33 */ ControlMask, "\033[20;5~", 0, 0}, + { XK_F9, /* F45 */ Mod4Mask, "\033[20;6~", 0, 0}, + { XK_F9, /* F57 */ Mod1Mask, "\033[20;3~", 0, 0}, + { XK_F10, XK_NO_MOD, "\033[21~", 0, 0}, + { XK_F10, /* F22 */ ShiftMask, "\033[21;2~", 0, 0}, + { XK_F10, /* F34 */ ControlMask, "\033[21;5~", 0, 0}, + { XK_F10, /* F46 */ Mod4Mask, "\033[21;6~", 0, 0}, + { XK_F10, /* F58 */ Mod1Mask, "\033[21;3~", 0, 0}, + { XK_F11, XK_NO_MOD, "\033[23~", 0, 0}, + { XK_F11, /* F23 */ ShiftMask, "\033[23;2~", 0, 0}, + { XK_F11, /* F35 */ ControlMask, "\033[23;5~", 0, 0}, + { XK_F11, /* F47 */ Mod4Mask, "\033[23;6~", 0, 0}, + { XK_F11, /* F59 */ Mod1Mask, "\033[23;3~", 0, 0}, + { XK_F12, XK_NO_MOD, "\033[24~", 0, 0}, + { XK_F12, /* F24 */ ShiftMask, "\033[24;2~", 0, 0}, + { XK_F12, /* F36 */ ControlMask, "\033[24;5~", 0, 0}, + { XK_F12, /* F48 */ Mod4Mask, "\033[24;6~", 0, 0}, + { XK_F12, /* F60 */ Mod1Mask, "\033[24;3~", 0, 0}, + { XK_F13, XK_NO_MOD, "\033[1;2P", 0, 0}, + { XK_F14, XK_NO_MOD, "\033[1;2Q", 0, 0}, + { XK_F15, XK_NO_MOD, "\033[1;2R", 0, 0}, + { XK_F16, XK_NO_MOD, "\033[1;2S", 0, 0}, + { XK_F17, XK_NO_MOD, "\033[15;2~", 0, 0}, + { XK_F18, XK_NO_MOD, "\033[17;2~", 0, 0}, + { XK_F19, XK_NO_MOD, "\033[18;2~", 0, 0}, + { XK_F20, XK_NO_MOD, "\033[19;2~", 0, 0}, + { XK_F21, XK_NO_MOD, "\033[20;2~", 0, 0}, + { XK_F22, XK_NO_MOD, "\033[21;2~", 0, 0}, + { XK_F23, XK_NO_MOD, "\033[23;2~", 0, 0}, + { XK_F24, XK_NO_MOD, "\033[24;2~", 0, 0}, + { XK_F25, XK_NO_MOD, "\033[1;5P", 0, 0}, + { XK_F26, XK_NO_MOD, "\033[1;5Q", 0, 0}, + { XK_F27, XK_NO_MOD, "\033[1;5R", 0, 0}, + { XK_F28, XK_NO_MOD, "\033[1;5S", 0, 0}, + { XK_F29, XK_NO_MOD, "\033[15;5~", 0, 0}, + { XK_F30, XK_NO_MOD, "\033[17;5~", 0, 0}, + { XK_F31, XK_NO_MOD, "\033[18;5~", 0, 0}, + { XK_F32, XK_NO_MOD, "\033[19;5~", 0, 0}, + { XK_F33, XK_NO_MOD, "\033[20;5~", 0, 0}, + { XK_F34, XK_NO_MOD, "\033[21;5~", 0, 0}, + { XK_F35, XK_NO_MOD, "\033[23;5~", 0, 0}, + + // libtermkey compatible keyboard input + { XK_KP_Home, XK_NO_MOD, "\033[H", 0, -1}, + { XK_KP_Home, XK_NO_MOD, "\033[1~", 0, +1}, + { XK_KP_Home, ControlMask, "\033[149;5u", 0, 0}, + { XK_KP_Home, ControlMask|ShiftMask, "\033[149;6u", 0, 0}, + { XK_KP_Home, Mod1Mask, "\033[149;3u", 0, 0}, + { XK_KP_Home, Mod1Mask|ControlMask, "\033[149;7u", 0, 0}, + { XK_KP_Home, Mod1Mask|ControlMask|ShiftMask, "\033[149;8u", 0, 0}, + { XK_KP_Home, Mod1Mask|ShiftMask, "\033[149;4u", 0, 0}, + { XK_KP_Home, ShiftMask, "\033[149;2u", 0, 0}, + { XK_KP_Up, XK_NO_MOD, "\033Ox", +1, 0}, + { XK_KP_Up, XK_NO_MOD, "\033[A", 0, -1}, + { XK_KP_Up, XK_NO_MOD, "\033OA", 0, +1}, + { XK_KP_Up, ControlMask, "\033[151;5u", 0, 0}, + { XK_KP_Up, ControlMask|ShiftMask, "\033[151;6u", 0, 0}, + { XK_KP_Up, Mod1Mask, "\033[151;3u", 0, 0}, + { XK_KP_Up, Mod1Mask|ControlMask, "\033[151;7u", 0, 0}, + { XK_KP_Up, Mod1Mask|ControlMask|ShiftMask, "\033[151;8u", 0, 0}, + { XK_KP_Up, Mod1Mask|ShiftMask, "\033[151;4u", 0, 0}, + { XK_KP_Up, ShiftMask, "\033[151;2u", 0, 0}, + { XK_KP_Down, XK_NO_MOD, "\033Or", +1, 0}, + { XK_KP_Down, XK_NO_MOD, "\033[B", 0, -1}, + { XK_KP_Down, XK_NO_MOD, "\033OB", 0, +1}, + { XK_KP_Down, ControlMask, "\033[153;5u", 0, 0}, + { XK_KP_Down, ControlMask|ShiftMask, "\033[153;6u", 0, 0}, + { XK_KP_Down, Mod1Mask, "\033[153;3u", 0, 0}, + { XK_KP_Down, Mod1Mask|ControlMask, "\033[153;7u", 0, 0}, + { XK_KP_Down, Mod1Mask|ControlMask|ShiftMask, "\033[153;8u", 0, 0}, + { XK_KP_Down, Mod1Mask|ShiftMask, "\033[153;4u", 0, 0}, + { XK_KP_Down, ShiftMask, "\033[153;2u", 0, 0}, + { XK_KP_Left, XK_NO_MOD, "\033Ot", +1, 0}, + { XK_KP_Left, XK_NO_MOD, "\033[D", 0, -1}, + { XK_KP_Left, XK_NO_MOD, "\033OD", 0, +1}, + { XK_KP_Left, ControlMask, "\033[150;5u", 0, 0}, + { XK_KP_Left, ControlMask|ShiftMask, "\033[150;6u", 0, 0}, + { XK_KP_Left, Mod1Mask, "\033[150;3u", 0, 0}, + { XK_KP_Left, Mod1Mask|ControlMask, "\033[150;7u", 0, 0}, + { XK_KP_Left, Mod1Mask|ControlMask|ShiftMask, "\033[150;8u", 0, 0}, + { XK_KP_Left, Mod1Mask|ShiftMask, "\033[150;4u", 0, 0}, + { XK_KP_Left, ShiftMask, "\033[150;2u", 0, 0}, + { XK_KP_Right, XK_NO_MOD, "\033Ov", +1, 0}, + { XK_KP_Right, XK_NO_MOD, "\033[C", 0, -1}, + { XK_KP_Right, XK_NO_MOD, "\033OC", 0, +1}, + { XK_KP_Right, ControlMask, "\033[152;5u", 0, 0}, + { XK_KP_Right, ControlMask|ShiftMask, "\033[152;6u", 0, 0}, + { XK_KP_Right, Mod1Mask, "\033[152;3u", 0, 0}, + { XK_KP_Right, Mod1Mask|ControlMask, "\033[152;7u", 0, 0}, + { XK_KP_Right, Mod1Mask|ControlMask|ShiftMask, "\033[152;8u", 0, 0}, + { XK_KP_Right, Mod1Mask|ShiftMask, "\033[152;4u", 0, 0}, + { XK_KP_Right, ShiftMask, "\033[152;2u", 0, 0}, + { XK_KP_Prior, XK_NO_MOD, "\033[5~", 0, 0}, + { XK_KP_Prior, ControlMask, "\033[154;5u", 0, 0}, + { XK_KP_Prior, ControlMask|ShiftMask, "\033[154;6u", 0, 0}, + { XK_KP_Prior, Mod1Mask, "\033[154;3u", 0, 0}, + { XK_KP_Prior, Mod1Mask|ControlMask, "\033[154;7u", 0, 0}, + { XK_KP_Prior, Mod1Mask|ControlMask|ShiftMask, "\033[154;8u", 0, 0}, + { XK_KP_Prior, Mod1Mask|ShiftMask, "\033[154;4u", 0, 0}, + { XK_KP_Begin, XK_NO_MOD, "\033[E", 0, 0}, + { XK_KP_Begin, ControlMask, "\033[157;5u", 0, 0}, + { XK_KP_Begin, ControlMask|ShiftMask, "\033[157;6u", 0, 0}, + { XK_KP_Begin, Mod1Mask, "\033[157;3u", 0, 0}, + { XK_KP_Begin, Mod1Mask|ControlMask, "\033[157;7u", 0, 0}, + { XK_KP_Begin, Mod1Mask|ControlMask|ShiftMask, "\033[157;8u", 0, 0}, + { XK_KP_Begin, Mod1Mask|ShiftMask, "\033[157;4u", 0, 0}, + { XK_KP_Begin, ShiftMask, "\033[157;2u", 0, 0}, + { XK_KP_End, XK_NO_MOD, "\033[4~", 0, 0}, + { XK_KP_End, ControlMask|ShiftMask, "\033[156;6u", 0, 0}, + { XK_KP_End, Mod1Mask, "\033[156;3u", 0, 0}, + { XK_KP_End, Mod1Mask|ControlMask, "\033[156;7u", 0, 0}, + { XK_KP_End, Mod1Mask|ControlMask|ShiftMask, "\033[156;8u", 0, 0}, + { XK_KP_End, Mod1Mask|ShiftMask, "\033[156;4u", 0, 0}, + { XK_KP_Next, XK_NO_MOD, "\033[6~", 0, 0}, + { XK_KP_Next, ControlMask, "\033[155;5u", 0, 0}, + { XK_KP_Next, ControlMask|ShiftMask, "\033[155;6u", 0, 0}, + { XK_KP_Next, Mod1Mask, "\033[155;3u", 0, 0}, + { XK_KP_Next, Mod1Mask|ControlMask, "\033[155;7u", 0, 0}, + { XK_KP_Next, Mod1Mask|ControlMask|ShiftMask, "\033[155;8u", 0, 0}, + { XK_KP_Next, Mod1Mask|ShiftMask, "\033[155;4u", 0, 0}, + { XK_KP_Insert, XK_NO_MOD, "\033[4h", -1, 0}, + { XK_KP_Insert, XK_NO_MOD, "\033[2~", +1, 0}, + { XK_KP_Insert, ControlMask|ShiftMask, "\033[158;6u", 0, 0}, + { XK_KP_Insert, Mod1Mask, "\033[158;3u", 0, 0}, + { XK_KP_Insert, Mod1Mask|ControlMask, "\033[158;7u", 0, 0}, + { XK_KP_Insert, Mod1Mask|ControlMask|ShiftMask, "\033[158;8u", 0, 0}, + { XK_KP_Insert, Mod1Mask|ShiftMask, "\033[158;4u", 0, 0}, + { XK_KP_Delete, XK_NO_MOD, "\033[P", -1, 0}, + { XK_KP_Delete, XK_NO_MOD, "\033[3~", +1, 0}, + { XK_KP_Delete, ControlMask|ShiftMask, "\033[159;6u", 0, 0}, + { XK_KP_Delete, Mod1Mask, "\033[159;3u", 0, 0}, + { XK_KP_Delete, Mod1Mask|ControlMask, "\033[159;7u", 0, 0}, + { XK_KP_Delete, Mod1Mask|ControlMask|ShiftMask, "\033[159;8u", 0, 0}, + { XK_KP_Delete, Mod1Mask|ShiftMask, "\033[159;4u", 0, 0}, + { XK_KP_Multiply, XK_NO_MOD, "\033Oj", +2, 0}, + { XK_KP_Multiply, ControlMask, "\033[170;5u", 0, 0}, + { XK_KP_Multiply, ControlMask|ShiftMask, "\033[170;6u", 0, 0}, + { XK_KP_Multiply, Mod1Mask, "\033[170;3u", 0, 0}, + { XK_KP_Multiply, Mod1Mask|ControlMask, "\033[170;7u", 0, 0}, + { XK_KP_Multiply, Mod1Mask|ControlMask|ShiftMask, "\033[170;8u", 0, 0}, + { XK_KP_Multiply, Mod1Mask|ShiftMask, "\033[170;4u", 0, 0}, + { XK_KP_Multiply, ShiftMask, "\033[170;2u", 0, 0}, + { XK_KP_Add, XK_NO_MOD, "\033Ok", +2, 0}, + { XK_KP_Add, ControlMask, "\033[171;5u", 0, 0}, + { XK_KP_Add, ControlMask|ShiftMask, "\033[171;6u", 0, 0}, + { XK_KP_Add, Mod1Mask, "\033[171;3u", 0, 0}, + { XK_KP_Add, Mod1Mask|ControlMask, "\033[171;7u", 0, 0}, + { XK_KP_Add, Mod1Mask|ControlMask|ShiftMask, "\033[171;8u", 0, 0}, + { XK_KP_Add, Mod1Mask|ShiftMask, "\033[171;4u", 0, 0}, + { XK_KP_Add, ShiftMask, "\033[171;2u", 0, 0}, + { XK_KP_Enter, XK_NO_MOD, "\033OM", +2, 0}, + { XK_KP_Enter, XK_NO_MOD, "\r", -1, 0}, + { XK_KP_Enter, XK_NO_MOD, "\r\n", -1, 0}, + { XK_KP_Enter, ControlMask, "\033[141;5u", 0, 0}, + { XK_KP_Enter, ControlMask|ShiftMask, "\033[141;6u", 0, 0}, + { XK_KP_Enter, Mod1Mask, "\033[141;3u", 0, 0}, + { XK_KP_Enter, Mod1Mask|ControlMask, "\033[141;7u", 0, 0}, + { XK_KP_Enter, Mod1Mask|ControlMask|ShiftMask, "\033[141;8u", 0, 0}, + { XK_KP_Enter, Mod1Mask|ShiftMask, "\033[141;4u", 0, 0}, + { XK_KP_Enter, ShiftMask, "\033[141;2u", 0, 0}, + { XK_KP_Subtract, XK_NO_MOD, "\033Om", +2, 0}, + { XK_KP_Subtract, ControlMask, "\033[173;5u", 0, 0}, + { XK_KP_Subtract, ControlMask|ShiftMask, "\033[173;6u", 0, 0}, + { XK_KP_Subtract, Mod1Mask, "\033[173;3u", 0, 0}, + { XK_KP_Subtract, Mod1Mask|ControlMask, "\033[173;7u", 0, 0}, + { XK_KP_Subtract, Mod1Mask|ControlMask|ShiftMask, "\033[173;8u", 0, 0}, + { XK_KP_Subtract, Mod1Mask|ShiftMask, "\033[173;4u", 0, 0}, + { XK_KP_Subtract, ShiftMask, "\033[173;2u", 0, 0}, + { XK_KP_Decimal, XK_NO_MOD, "\033On", +2, 0}, + { XK_KP_Decimal, ControlMask, "\033[174;5u", 0, 0}, + { XK_KP_Decimal, ControlMask|ShiftMask, "\033[174;6u", 0, 0}, + { XK_KP_Decimal, Mod1Mask, "\033[174;3u", 0, 0}, + { XK_KP_Decimal, Mod1Mask|ControlMask, "\033[174;7u", 0, 0}, + { XK_KP_Decimal, Mod1Mask|ControlMask|ShiftMask, "\033[174;8u", 0, 0}, + { XK_KP_Decimal, Mod1Mask|ShiftMask, "\033[174;4u", 0, 0}, + { XK_KP_Decimal, ShiftMask, "\033[174;2u", 0, 0}, + { XK_KP_Divide, XK_NO_MOD, "\033Oo", +2, 0}, + { XK_KP_Divide, ControlMask, "\033[175;5u", 0, 0}, + { XK_KP_Divide, ControlMask|ShiftMask, "\033[175;6u", 0, 0}, + { XK_KP_Divide, Mod1Mask, "\033[175;3u", 0, 0}, + { XK_KP_Divide, Mod1Mask|ControlMask, "\033[175;7u", 0, 0}, + { XK_KP_Divide, Mod1Mask|ControlMask|ShiftMask, "\033[175;8u", 0, 0}, + { XK_KP_Divide, Mod1Mask|ShiftMask, "\033[175;4u", 0, 0}, + { XK_KP_Divide, ShiftMask, "\033[175;2u", 0, 0}, + { XK_KP_0, XK_NO_MOD, "\033Op", +2, 0}, + { XK_KP_0, ControlMask, "\033[176;5u", 0, 0}, + { XK_KP_0, ControlMask|ShiftMask, "\033[176;6u", 0, 0}, + { XK_KP_0, Mod1Mask, "\033[176;3u", 0, 0}, + { XK_KP_0, Mod1Mask|ControlMask, "\033[176;7u", 0, 0}, + { XK_KP_0, Mod1Mask|ControlMask|ShiftMask, "\033[176;8u", 0, 0}, + { XK_KP_0, Mod1Mask|ShiftMask, "\033[176;4u", 0, 0}, + { XK_KP_0, ShiftMask, "\033[176;2u", 0, 0}, + { XK_KP_1, XK_NO_MOD, "\033Oq", +2, 0}, + { XK_KP_0, ControlMask, "\033[177;5u", 0, 0}, + { XK_KP_0, ControlMask|ShiftMask, "\033[177;6u", 0, 0}, + { XK_KP_0, Mod1Mask, "\033[177;3u", 0, 0}, + { XK_KP_0, Mod1Mask|ControlMask, "\033[177;7u", 0, 0}, + { XK_KP_0, Mod1Mask|ControlMask|ShiftMask, "\033[177;8u", 0, 0}, + { XK_KP_0, Mod1Mask|ShiftMask, "\033[177;4u", 0, 0}, + { XK_KP_0, ShiftMask, "\033[177;2u", 0, 0}, + { XK_KP_2, XK_NO_MOD, "\033Or", +2, 0}, + { XK_KP_2, ControlMask, "\033[178;5u", 0, 0}, + { XK_KP_2, ControlMask|ShiftMask, "\033[178;6u", 0, 0}, + { XK_KP_2, Mod1Mask, "\033[178;3u", 0, 0}, + { XK_KP_2, Mod1Mask|ControlMask, "\033[178;7u", 0, 0}, + { XK_KP_2, Mod1Mask|ControlMask|ShiftMask, "\033[178;8u", 0, 0}, + { XK_KP_2, Mod1Mask|ShiftMask, "\033[178;4u", 0, 0}, + { XK_KP_2, ShiftMask, "\033[178;2u", 0, 0}, + { XK_KP_3, XK_NO_MOD, "\033Os", +2, 0}, + { XK_KP_3, ControlMask, "\033[179;5u", 0, 0}, + { XK_KP_3, ControlMask|ShiftMask, "\033[179;6u", 0, 0}, + { XK_KP_3, Mod1Mask, "\033[179;3u", 0, 0}, + { XK_KP_3, Mod1Mask|ControlMask, "\033[179;7u", 0, 0}, + { XK_KP_3, Mod1Mask|ControlMask|ShiftMask, "\033[179;8u", 0, 0}, + { XK_KP_3, Mod1Mask|ShiftMask, "\033[179;4u", 0, 0}, + { XK_KP_3, ShiftMask, "\033[179;2u", 0, 0}, + { XK_KP_4, XK_NO_MOD, "\033Ot", +2, 0}, + { XK_KP_4, ControlMask, "\033[180;5u", 0, 0}, + { XK_KP_4, ControlMask|ShiftMask, "\033[180;6u", 0, 0}, + { XK_KP_4, Mod1Mask, "\033[180;3u", 0, 0}, + { XK_KP_4, Mod1Mask|ControlMask, "\033[180;7u", 0, 0}, + { XK_KP_4, Mod1Mask|ControlMask|ShiftMask, "\033[180;8u", 0, 0}, + { XK_KP_4, Mod1Mask|ShiftMask, "\033[180;4u", 0, 0}, + { XK_KP_4, ShiftMask, "\033[180;2u", 0, 0}, + { XK_KP_5, XK_NO_MOD, "\033Ou", +2, 0}, + { XK_KP_5, ControlMask, "\033[181;5u", 0, 0}, + { XK_KP_5, ControlMask|ShiftMask, "\033[181;6u", 0, 0}, + { XK_KP_5, Mod1Mask, "\033[181;3u", 0, 0}, + { XK_KP_5, Mod1Mask|ControlMask, "\033[181;7u", 0, 0}, + { XK_KP_5, Mod1Mask|ControlMask|ShiftMask, "\033[181;8u", 0, 0}, + { XK_KP_5, Mod1Mask|ShiftMask, "\033[181;4u", 0, 0}, + { XK_KP_5, ShiftMask, "\033[181;2u", 0, 0}, + { XK_KP_6, XK_NO_MOD, "\033Ov", +2, 0}, + { XK_KP_6, ControlMask, "\033[182;5u", 0, 0}, + { XK_KP_6, ControlMask|ShiftMask, "\033[182;6u", 0, 0}, + { XK_KP_6, Mod1Mask, "\033[182;3u", 0, 0}, + { XK_KP_6, Mod1Mask|ControlMask, "\033[182;7u", 0, 0}, + { XK_KP_6, Mod1Mask|ControlMask|ShiftMask, "\033[182;8u", 0, 0}, + { XK_KP_6, Mod1Mask|ShiftMask, "\033[182;4u", 0, 0}, + { XK_KP_6, ShiftMask, "\033[182;2u", 0, 0}, + { XK_KP_7, XK_NO_MOD, "\033Ow", +2, 0}, + { XK_KP_7, ControlMask, "\033[183;5u", 0, 0}, + { XK_KP_7, ControlMask|ShiftMask, "\033[183;6u", 0, 0}, + { XK_KP_7, Mod1Mask, "\033[183;3u", 0, 0}, + { XK_KP_7, Mod1Mask|ControlMask, "\033[183;7u", 0, 0}, + { XK_KP_7, Mod1Mask|ControlMask|ShiftMask, "\033[183;8u", 0, 0}, + { XK_KP_7, Mod1Mask|ShiftMask, "\033[183;4u", 0, 0}, + { XK_KP_7, ShiftMask, "\033[183;2u", 0, 0}, + { XK_KP_8, XK_NO_MOD, "\033Ox", +2, 0}, + { XK_KP_8, ControlMask, "\033[184;5u", 0, 0}, + { XK_KP_8, ControlMask|ShiftMask, "\033[184;6u", 0, 0}, + { XK_KP_8, Mod1Mask, "\033[184;3u", 0, 0}, + { XK_KP_8, Mod1Mask|ControlMask, "\033[184;7u", 0, 0}, + { XK_KP_8, Mod1Mask|ControlMask|ShiftMask, "\033[184;8u", 0, 0}, + { XK_KP_8, Mod1Mask|ShiftMask, "\033[184;4u", 0, 0}, + { XK_KP_8, ShiftMask, "\033[184;2u", 0, 0}, + { XK_KP_9, XK_NO_MOD, "\033Oy", +2, 0}, + { XK_KP_9, ControlMask, "\033[185;5u", 0, 0}, + { XK_KP_9, ControlMask|ShiftMask, "\033[185;6u", 0, 0}, + { XK_KP_9, Mod1Mask, "\033[185;3u", 0, 0}, + { XK_KP_9, Mod1Mask|ControlMask, "\033[185;7u", 0, 0}, + { XK_KP_9, Mod1Mask|ControlMask|ShiftMask, "\033[185;8u", 0, 0}, + { XK_KP_9, Mod1Mask|ShiftMask, "\033[185;4u", 0, 0}, + { XK_KP_9, ShiftMask, "\033[185;2u", 0, 0}, + { XK_BackSpace, ControlMask, "\033[127;5u", 0, 0}, + { XK_BackSpace, ControlMask|ShiftMask, "\033[127;6u", 0, 0}, + { XK_BackSpace, Mod1Mask, "\033[127;3u", 0, 0}, + { XK_BackSpace, Mod1Mask|ControlMask, "\033[127;7u", 0, 0}, + { XK_BackSpace, Mod1Mask|ControlMask|ShiftMask, "\033[127;8u", 0, 0}, + { XK_BackSpace, Mod1Mask|ShiftMask, "\033[127;4u", 0, 0}, + { XK_BackSpace, ShiftMask, "\033[127;2u", 0, 0}, + { XK_Tab, ControlMask, "\033[9;5u", 0, 0}, + { XK_Tab, ControlMask|ShiftMask, "\033[1;5Z", 0, 0}, + { XK_Tab, Mod1Mask, "\033[1;3Z", 0, 0}, + { XK_Tab, Mod1Mask|ControlMask, "\033[1;7Z", 0, 0}, + { XK_Tab, Mod1Mask|ControlMask|ShiftMask, "\033[1;8Z", 0, 0}, + { XK_Tab, Mod1Mask|ShiftMask, "\033[1;4Z", 0, 0}, + { XK_Return, ControlMask, "\033[13;5u", 0, 0}, + { XK_Return, ControlMask|ShiftMask, "\033[13;6u", 0, 0}, + { XK_Return, Mod1Mask, "\033[13;3u", 0, 0}, + { XK_Return, Mod1Mask|ControlMask, "\033[13;7u", 0, 0}, + { XK_Return, Mod1Mask|ControlMask|ShiftMask, "\033[13;8u", 0, 0}, + { XK_Return, Mod1Mask|ShiftMask, "\033[13;4u", 0, 0}, + { XK_Return, ShiftMask, "\033[13;2u", 0, 0}, + { XK_Pause, ControlMask, "\033[18;5u", 0, 0}, + { XK_Pause, ControlMask|ShiftMask, "\033[18;6u", 0, 0}, + { XK_Pause, Mod1Mask, "\033[18;3u", 0, 0}, + { XK_Pause, Mod1Mask|ControlMask, "\033[18;7u", 0, 0}, + { XK_Pause, Mod1Mask|ControlMask|ShiftMask, "\033[18;8u", 0, 0}, + { XK_Pause, Mod1Mask|ShiftMask, "\033[18;4u", 0, 0}, + { XK_Pause, ShiftMask, "\033[18;2u", 0, 0}, + { XK_Scroll_Lock, ControlMask, "\033[20;5u", 0, 0}, + { XK_Scroll_Lock, ControlMask|ShiftMask, "\033[20;6u", 0, 0}, + { XK_Scroll_Lock, Mod1Mask, "\033[20;3u", 0, 0}, + { XK_Scroll_Lock, Mod1Mask|ControlMask, "\033[20;7u", 0, 0}, + { XK_Scroll_Lock, Mod1Mask|ControlMask|ShiftMask, "\033[20;8u", 0, 0}, + { XK_Scroll_Lock, Mod1Mask|ShiftMask, "\033[20;4u", 0, 0}, + { XK_Scroll_Lock, ShiftMask, "\033[20;2u", 0, 0}, + { XK_Escape, ControlMask, "\033[27;5u", 0, 0}, + { XK_Escape, ControlMask|ShiftMask, "\033[27;6u", 0, 0}, + { XK_Escape, Mod1Mask, "\033[27;3u", 0, 0}, + { XK_Escape, Mod1Mask|ControlMask, "\033[27;7u", 0, 0}, + { XK_Escape, Mod1Mask|ControlMask|ShiftMask, "\033[27;8u", 0, 0}, + { XK_Escape, Mod1Mask|ShiftMask, "\033[27;4u", 0, 0}, + { XK_Escape, ShiftMask, "\033[27;2u", 0, 0}, + { XK_Home, XK_NO_MOD, "\033[H", 0, -1}, + { XK_Home, XK_NO_MOD, "\033[1~", 0, +1}, + { XK_Home, ControlMask|ShiftMask, "\033[80;6u", 0, 0}, + { XK_Home, Mod1Mask, "\033[80;3u", 0, 0}, + { XK_Home, Mod1Mask|ControlMask, "\033[80;7u", 0, 0}, + { XK_Home, Mod1Mask|ControlMask|ShiftMask, "\033[80;8u", 0, 0}, + { XK_Home, Mod1Mask|ShiftMask, "\033[80;4u", 0, 0}, + { XK_End, XK_NO_MOD, "\033[4~", 0, 0}, + { XK_End, ControlMask|ShiftMask, "\033[87;6u", 0, 0}, + { XK_End, Mod1Mask, "\033[87;3u", 0, 0}, + { XK_End, Mod1Mask|ControlMask, "\033[87;7u", 0, 0}, + { XK_End, Mod1Mask|ControlMask|ShiftMask, "\033[87;8u", 0, 0}, + { XK_End, Mod1Mask|ShiftMask, "\033[87;4u", 0, 0}, + { XK_Prior, XK_NO_MOD, "\033[5~", 0, 0}, + { XK_Prior, ControlMask|ShiftMask, "\033[85;6u", 0, 0}, + { XK_Prior, Mod1Mask, "\033[85;3u", 0, 0}, + { XK_Prior, Mod1Mask|ControlMask, "\033[85;7u", 0, 0}, + { XK_Prior, Mod1Mask|ControlMask|ShiftMask, "\033[85;8u", 0, 0}, + { XK_Prior, Mod1Mask|ShiftMask, "\033[85;4u", 0, 0}, + { XK_Next, XK_NO_MOD, "\033[6~", 0, 0}, + { XK_Next, ControlMask|ShiftMask, "\033[86;6u", 0, 0}, + { XK_Next, Mod1Mask, "\033[86;3u", 0, 0}, + { XK_Next, Mod1Mask|ControlMask, "\033[86;7u", 0, 0}, + { XK_Next, Mod1Mask|ControlMask|ShiftMask, "\033[86;8u", 0, 0}, + { XK_Next, Mod1Mask|ShiftMask, "\033[86;4u", 0, 0}, + { XK_Print, ControlMask, "\033[97;5u", 0, 0}, + { XK_Print, ControlMask|ShiftMask, "\033[97;6u", 0, 0}, + { XK_Print, Mod1Mask, "\033[97;3u", 0, 0}, + { XK_Print, Mod1Mask|ControlMask, "\033[97;7u", 0, 0}, + { XK_Print, Mod1Mask|ControlMask|ShiftMask, "\033[97;8u", 0, 0}, + { XK_Print, Mod1Mask|ShiftMask, "\033[97;4u", 0, 0}, + { XK_Print, ShiftMask, "\033[97;2u", 0, 0}, + { XK_Insert, XK_NO_MOD, "\033[4h", -1, 0}, + { XK_Insert, XK_NO_MOD, "\033[2~", +1, 0}, + { XK_Insert, ControlMask|ShiftMask, "\033[99;6u", 0, 0}, + { XK_Insert, Mod1Mask, "\033[99;3u", 0, 0}, + { XK_Insert, Mod1Mask|ControlMask, "\033[99;7u", 0, 0}, + { XK_Insert, Mod1Mask|ControlMask|ShiftMask, "\033[99;8u", 0, 0}, + { XK_Insert, Mod1Mask|ShiftMask, "\033[99;4u", 0, 0}, + { XK_Menu, ControlMask, "\033[103;5u", 0, 0}, + { XK_Menu, ControlMask|ShiftMask, "\033[103;6u", 0, 0}, + { XK_Menu, Mod1Mask, "\033[103;3u", 0, 0}, + { XK_Menu, Mod1Mask|ControlMask, "\033[103;7u", 0, 0}, + { XK_Menu, Mod1Mask|ControlMask|ShiftMask, "\033[103;8u", 0, 0}, + { XK_Menu, Mod1Mask|ShiftMask, "\033[103;4u", 0, 0}, + { XK_Menu, ShiftMask, "\033[103;2u", 0, 0}, + { XK_Delete, XK_NO_MOD, "\033[P", -1, 0}, + { XK_Delete, XK_NO_MOD, "\033[3~", +1, 0}, + { XK_Delete, ControlMask|ShiftMask, "\033[255;6u", 0, 0}, + { XK_Delete, Mod1Mask, "\033[255;3u", 0, 0}, + { XK_Delete, Mod1Mask|ControlMask, "\033[255;7u", 0, 0}, + { XK_Delete, Mod1Mask|ControlMask|ShiftMask, "\033[255;8u", 0, 0}, + { XK_Delete, Mod1Mask|ShiftMask, "\033[255;4u", 0, 0}, + { XK_i, ControlMask, "\033[105;5u", 0, 0}, + { XK_i, Mod1Mask|ControlMask, "\033[105;7u", 0, 0}, + { XK_m, ControlMask, "\033[109;5u", 0, 0}, + { XK_m, Mod1Mask|ControlMask, "\033[109;7u", 0, 0}, + { XK_space, ControlMask|ShiftMask, "\033[32;6u", 0, 0}, + { XK_space, Mod1Mask, "\033[32;3u", 0, 0}, + { XK_space, Mod1Mask|ControlMask, "\033[32;7u", 0, 0}, + { XK_space, Mod1Mask|ControlMask|ShiftMask, "\033[32;8u", 0, 0}, + { XK_space, Mod1Mask|ShiftMask, "\033[32;4u", 0, 0}, + { XK_space, ShiftMask, "\033[32;2u", 0, 0}, + { XK_0, ControlMask, "\033[48;5u", 0, 0}, + { XK_A, ControlMask|ShiftMask, "\033[65;6u", 0, 0}, + { XK_B, ControlMask|ShiftMask, "\033[66;6u", 0, 0}, + { XK_C, ControlMask|ShiftMask, "\033[67;6u", 0, 0}, + { XK_D, ControlMask|ShiftMask, "\033[68;6u", 0, 0}, + { XK_E, ControlMask|ShiftMask, "\033[69;6u", 0, 0}, + { XK_F, ControlMask|ShiftMask, "\033[70;6u", 0, 0}, + { XK_G, ControlMask|ShiftMask, "\033[71;6u", 0, 0}, + { XK_H, ControlMask|ShiftMask, "\033[72;6u", 0, 0}, + { XK_I, ControlMask|ShiftMask, "\033[73;6u", 0, 0}, + { XK_I, Mod1Mask|ControlMask|ShiftMask, "\033[73;8u", 0, 0}, + { XK_J, ControlMask|ShiftMask, "\033[75;6u", 0, 0}, + { XK_K, ControlMask|ShiftMask, "\033[74;6u", 0, 0}, + { XK_L, ControlMask|ShiftMask, "\033[76;6u", 0, 0}, + { XK_M, ControlMask|ShiftMask, "\033[77;6u", 0, 0}, + { XK_M, Mod1Mask|ControlMask|ShiftMask, "\033[77;8u", 0, 0}, + { XK_N, ControlMask|ShiftMask, "\033[78;6u", 0, 0}, + { XK_O, ControlMask|ShiftMask, "\033[79;6u", 0, 0}, + { XK_P, ControlMask|ShiftMask, "\033[80;6u", 0, 0}, + { XK_Q, ControlMask|ShiftMask, "\033[81;6u", 0, 0}, + { XK_R, ControlMask|ShiftMask, "\033[82;6u", 0, 0}, + { XK_S, ControlMask|ShiftMask, "\033[83;6u", 0, 0}, + { XK_T, ControlMask|ShiftMask, "\033[84;6u", 0, 0}, + { XK_U, ControlMask|ShiftMask, "\033[85;6u", 0, 0}, + { XK_V, ControlMask|ShiftMask, "\033[86;6u", 0, 0}, + { XK_W, ControlMask|ShiftMask, "\033[87;6u", 0, 0}, + { XK_X, ControlMask|ShiftMask, "\033[88;6u", 0, 0}, + { XK_Y, ControlMask|ShiftMask, "\033[89;6u", 0, 0}, + { XK_Z, ControlMask|ShiftMask, "\033[90;6u", 0, 0}, + { XK_0, Mod1Mask|ControlMask, "\033[48;7u", 0, 0}, + { XK_1, ControlMask, "\033[49;5u", 0, 0}, + { XK_1, Mod1Mask|ControlMask, "\033[49;7u", 0, 0}, + { XK_2, ControlMask, "\033[50;5u", 0, 0}, + { XK_2, Mod1Mask|ControlMask, "\033[50;7u", 0, 0}, + { XK_3, ControlMask, "\033[51;5u", 0, 0}, + { XK_3, Mod1Mask|ControlMask, "\033[51;7u", 0, 0}, + { XK_4, ControlMask, "\033[52;5u", 0, 0}, + { XK_4, Mod1Mask|ControlMask, "\033[52;7u", 0, 0}, + { XK_5, ControlMask, "\033[53;5u", 0, 0}, + { XK_5, Mod1Mask|ControlMask, "\033[53;7u", 0, 0}, + { XK_6, ControlMask, "\033[54;5u", 0, 0}, + { XK_6, Mod1Mask|ControlMask, "\033[54;7u", 0, 0}, + { XK_7, ControlMask, "\033[55;5u", 0, 0}, + { XK_7, Mod1Mask|ControlMask, "\033[55;7u", 0, 0}, + { XK_8, ControlMask, "\033[56;5u", 0, 0}, + { XK_8, Mod1Mask|ControlMask, "\033[56;7u", 0, 0}, + { XK_9, ControlMask, "\033[57;5u", 0, 0}, + { XK_9, Mod1Mask|ControlMask, "\033[57;7u", 0, 0}, + { XK_ampersand, ControlMask, "\033[38;5u", 0, 0}, + { XK_ampersand, ControlMask|ShiftMask, "\033[38;6u", 0, 0}, + { XK_ampersand, Mod1Mask, "\033[38;3u", 0, 0}, + { XK_ampersand, Mod1Mask|ControlMask, "\033[38;7u", 0, 0}, + { XK_ampersand, Mod1Mask|ControlMask|ShiftMask, "\033[38;8u", 0, 0}, + { XK_ampersand, Mod1Mask|ShiftMask, "\033[38;4u", 0, 0}, + { XK_apostrophe, ControlMask, "\033[39;5u", 0, 0}, + { XK_apostrophe, ControlMask|ShiftMask, "\033[39;6u", 0, 0}, + { XK_apostrophe, Mod1Mask, "\033[39;3u", 0, 0}, + { XK_apostrophe, Mod1Mask|ControlMask, "\033[39;7u", 0, 0}, + { XK_apostrophe, Mod1Mask|ControlMask|ShiftMask, "\033[39;8u", 0, 0}, + { XK_apostrophe, Mod1Mask|ShiftMask, "\033[39;4u", 0, 0}, + { XK_asciicircum, ControlMask, "\033[94;5u", 0, 0}, + { XK_asciicircum, ControlMask|ShiftMask, "\033[94;6u", 0, 0}, + { XK_asciicircum, Mod1Mask, "\033[94;3u", 0, 0}, + { XK_asciicircum, Mod1Mask|ControlMask, "\033[94;7u", 0, 0}, + { XK_asciicircum, Mod1Mask|ControlMask|ShiftMask, "\033[94;8u", 0, 0}, + { XK_asciicircum, Mod1Mask|ShiftMask, "\033[94;4u", 0, 0}, + { XK_asciitilde, ControlMask, "\033[126;5u", 0, 0}, + { XK_asciitilde, ControlMask|ShiftMask, "\033[126;6u", 0, 0}, + { XK_asciitilde, Mod1Mask, "\033[126;3u", 0, 0}, + { XK_asciitilde, Mod1Mask|ControlMask, "\033[126;7u", 0, 0}, + { XK_asciitilde, Mod1Mask|ControlMask|ShiftMask, "\033[126;8u", 0, 0}, + { XK_asciitilde, Mod1Mask|ShiftMask, "\033[126;4u", 0, 0}, + { XK_asterisk, ControlMask, "\033[42;5u", 0, 0}, + { XK_asterisk, ControlMask|ShiftMask, "\033[42;6u", 0, 0}, + { XK_asterisk, Mod1Mask, "\033[42;3u", 0, 0}, + { XK_asterisk, Mod1Mask|ControlMask, "\033[42;7u", 0, 0}, + { XK_asterisk, Mod1Mask|ControlMask|ShiftMask, "\033[42;8u", 0, 0}, + { XK_asterisk, Mod1Mask|ShiftMask, "\033[42;4u", 0, 0}, + { XK_at, ControlMask, "\033[64;5u", 0, 0}, + { XK_at, ControlMask|ShiftMask, "\033[64;6u", 0, 0}, + { XK_at, Mod1Mask, "\033[64;3u", 0, 0}, + { XK_at, Mod1Mask|ControlMask, "\033[64;7u", 0, 0}, + { XK_at, Mod1Mask|ControlMask|ShiftMask, "\033[64;8u", 0, 0}, + { XK_at, Mod1Mask|ShiftMask, "\033[64;4u", 0, 0}, + { XK_backslash, ControlMask, "\033[92;5u", 0, 0}, + { XK_backslash, ControlMask|ShiftMask, "\033[92;6u", 0, 0}, + { XK_backslash, Mod1Mask, "\033[92;3u", 0, 0}, + { XK_backslash, Mod1Mask|ControlMask, "\033[92;7u", 0, 0}, + { XK_backslash, Mod1Mask|ControlMask|ShiftMask, "\033[92;8u", 0, 0}, + { XK_backslash, Mod1Mask|ShiftMask, "\033[92;4u", 0, 0}, + { XK_bar, ControlMask, "\033[124;5u", 0, 0}, + { XK_bar, ControlMask|ShiftMask, "\033[124;6u", 0, 0}, + { XK_bar, Mod1Mask, "\033[124;3u", 0, 0}, + { XK_bar, Mod1Mask|ControlMask, "\033[124;7u", 0, 0}, + { XK_bar, Mod1Mask|ControlMask|ShiftMask, "\033[124;8u", 0, 0}, + { XK_bar, Mod1Mask|ShiftMask, "\033[124;4u", 0, 0}, + { XK_braceleft, ControlMask, "\033[123;5u", 0, 0}, + { XK_braceleft, ControlMask|ShiftMask, "\033[123;6u", 0, 0}, + { XK_braceleft, Mod1Mask, "\033[123;3u", 0, 0}, + { XK_braceleft, Mod1Mask|ControlMask, "\033[123;7u", 0, 0}, + { XK_braceleft, Mod1Mask|ControlMask|ShiftMask, "\033[123;8u", 0, 0}, + { XK_braceleft, Mod1Mask|ShiftMask, "\033[123;4u", 0, 0}, + { XK_braceright, ControlMask, "\033[125;5u", 0, 0}, + { XK_braceright, ControlMask|ShiftMask, "\033[125;6u", 0, 0}, + { XK_braceright, Mod1Mask, "\033[125;3u", 0, 0}, + { XK_braceright, Mod1Mask|ControlMask, "\033[125;7u", 0, 0}, + { XK_braceright, Mod1Mask|ControlMask|ShiftMask, "\033[125;8u", 0, 0}, + { XK_braceright, Mod1Mask|ShiftMask, "\033[125;4u", 0, 0}, + { XK_bracketleft, ControlMask, "\033[91;5u", 0, 0}, + { XK_bracketleft, ControlMask|ShiftMask, "\033[91;6u", 0, 0}, + { XK_bracketleft, Mod1Mask, "\033[91;3u", 0, 0}, + { XK_bracketleft, Mod1Mask|ControlMask, "\033[91;7u", 0, 0}, + { XK_bracketleft, Mod1Mask|ControlMask|ShiftMask, "\033[91;8u", 0, 0}, + { XK_bracketleft, Mod1Mask|ShiftMask, "\033[91;4u", 0, 0}, + { XK_bracketright, ControlMask, "\033[93;5u", 0, 0}, + { XK_bracketright, ControlMask|ShiftMask, "\033[93;6u", 0, 0}, + { XK_bracketright, Mod1Mask, "\033[93;3u", 0, 0}, + { XK_bracketright, Mod1Mask|ControlMask, "\033[93;7u", 0, 0}, + { XK_bracketright, Mod1Mask|ControlMask|ShiftMask, "\033[93;8u", 0, 0}, + { XK_bracketright, Mod1Mask|ShiftMask, "\033[93;4u", 0, 0}, + { XK_colon, ControlMask, "\033[58;5u", 0, 0}, + { XK_colon, ControlMask|ShiftMask, "\033[58;6u", 0, 0}, + { XK_colon, Mod1Mask, "\033[58;3u", 0, 0}, + { XK_colon, Mod1Mask|ControlMask, "\033[58;7u", 0, 0}, + { XK_colon, Mod1Mask|ControlMask|ShiftMask, "\033[58;8u", 0, 0}, + { XK_colon, Mod1Mask|ShiftMask, "\033[58;4u", 0, 0}, + { XK_comma, ControlMask, "\033[44;5u", 0, 0}, + { XK_comma, ControlMask|ShiftMask, "\033[44;6u", 0, 0}, + { XK_comma, Mod1Mask, "\033[44;3u", 0, 0}, + { XK_comma, Mod1Mask|ControlMask, "\033[44;7u", 0, 0}, + { XK_comma, Mod1Mask|ControlMask|ShiftMask, "\033[44;8u", 0, 0}, + { XK_comma, Mod1Mask|ShiftMask, "\033[44;4u", 0, 0}, + { XK_dollar, ControlMask, "\033[36;5u", 0, 0}, + { XK_dollar, ControlMask|ShiftMask, "\033[36;6u", 0, 0}, + { XK_dollar, Mod1Mask, "\033[36;3u", 0, 0}, + { XK_dollar, Mod1Mask|ControlMask, "\033[36;7u", 0, 0}, + { XK_dollar, Mod1Mask|ControlMask|ShiftMask, "\033[36;8u", 0, 0}, + { XK_dollar, Mod1Mask|ShiftMask, "\033[36;4u", 0, 0}, + { XK_equal, ControlMask, "\033[61;5u", 0, 0}, + { XK_equal, ControlMask|ShiftMask, "\033[61;6u", 0, 0}, + { XK_equal, Mod1Mask, "\033[61;3u", 0, 0}, + { XK_equal, Mod1Mask|ControlMask, "\033[61;7u", 0, 0}, + { XK_equal, Mod1Mask|ControlMask|ShiftMask, "\033[61;8u", 0, 0}, + { XK_equal, Mod1Mask|ShiftMask, "\033[61;4u", 0, 0}, + { XK_exclam, ControlMask, "\033[33;5u", 0, 0}, + { XK_exclam, ControlMask|ShiftMask, "\033[33;6u", 0, 0}, + { XK_exclam, Mod1Mask, "\033[33;3u", 0, 0}, + { XK_exclam, Mod1Mask|ControlMask, "\033[33;7u", 0, 0}, + { XK_exclam, Mod1Mask|ControlMask|ShiftMask, "\033[33;8u", 0, 0}, + { XK_exclam, Mod1Mask|ShiftMask, "\033[33;4u", 0, 0}, + { XK_grave, ControlMask, "\033[96;5u", 0, 0}, + { XK_grave, ControlMask|ShiftMask, "\033[96;6u", 0, 0}, + { XK_grave, Mod1Mask, "\033[96;3u", 0, 0}, + { XK_grave, Mod1Mask|ControlMask, "\033[96;7u", 0, 0}, + { XK_grave, Mod1Mask|ControlMask|ShiftMask, "\033[96;8u", 0, 0}, + { XK_grave, Mod1Mask|ShiftMask, "\033[96;4u", 0, 0}, + { XK_greater, ControlMask, "\033[62;5u", 0, 0}, + { XK_greater, ControlMask|ShiftMask, "\033[62;6u", 0, 0}, + { XK_greater, Mod1Mask, "\033[62;3u", 0, 0}, + { XK_greater, Mod1Mask|ControlMask, "\033[62;7u", 0, 0}, + { XK_greater, Mod1Mask|ControlMask|ShiftMask, "\033[62;8u", 0, 0}, + { XK_greater, Mod1Mask|ShiftMask, "\033[62;4u", 0, 0}, + { XK_less, ControlMask, "\033[60;5u", 0, 0}, + { XK_less, ControlMask|ShiftMask, "\033[60;6u", 0, 0}, + { XK_less, Mod1Mask, "\033[60;3u", 0, 0}, + { XK_less, Mod1Mask|ControlMask, "\033[60;7u", 0, 0}, + { XK_less, Mod1Mask|ControlMask|ShiftMask, "\033[60;8u", 0, 0}, + { XK_less, Mod1Mask|ShiftMask, "\033[60;4u", 0, 0}, + { XK_minus, ControlMask, "\033[45;5u", 0, 0}, + { XK_minus, ControlMask|ShiftMask, "\033[45;6u", 0, 0}, + { XK_minus, Mod1Mask, "\033[45;3u", 0, 0}, + { XK_minus, Mod1Mask|ControlMask, "\033[45;7u", 0, 0}, + { XK_minus, Mod1Mask|ControlMask|ShiftMask, "\033[45;8u", 0, 0}, + { XK_minus, Mod1Mask|ShiftMask, "\033[45;4u", 0, 0}, + { XK_numbersign, ControlMask, "\033[35;5u", 0, 0}, + { XK_numbersign, ControlMask|ShiftMask, "\033[35;6u", 0, 0}, + { XK_numbersign, Mod1Mask, "\033[35;3u", 0, 0}, + { XK_numbersign, Mod1Mask|ControlMask, "\033[35;7u", 0, 0}, + { XK_numbersign, Mod1Mask|ControlMask|ShiftMask, "\033[35;8u", 0, 0}, + { XK_numbersign, Mod1Mask|ShiftMask, "\033[35;4u", 0, 0}, + { XK_parenleft, ControlMask, "\033[40;5u", 0, 0}, + { XK_parenleft, ControlMask|ShiftMask, "\033[40;6u", 0, 0}, + { XK_parenleft, Mod1Mask, "\033[40;3u", 0, 0}, + { XK_parenleft, Mod1Mask|ControlMask, "\033[40;7u", 0, 0}, + { XK_parenleft, Mod1Mask|ControlMask|ShiftMask, "\033[40;8u", 0, 0}, + { XK_parenleft, Mod1Mask|ShiftMask, "\033[40;4u", 0, 0}, + { XK_parenright, ControlMask, "\033[41;5u", 0, 0}, + { XK_parenright, ControlMask|ShiftMask, "\033[41;6u", 0, 0}, + { XK_parenright, Mod1Mask, "\033[41;3u", 0, 0}, + { XK_parenright, Mod1Mask|ControlMask, "\033[41;7u", 0, 0}, + { XK_parenright, Mod1Mask|ControlMask|ShiftMask, "\033[41;8u", 0, 0}, + { XK_parenright, Mod1Mask|ShiftMask, "\033[41;4u", 0, 0}, + { XK_percent, ControlMask, "\033[37;5u", 0, 0}, + { XK_percent, ControlMask|ShiftMask, "\033[37;6u", 0, 0}, + { XK_percent, Mod1Mask, "\033[37;3u", 0, 0}, + { XK_percent, Mod1Mask|ControlMask, "\033[37;7u", 0, 0}, + { XK_percent, Mod1Mask|ControlMask|ShiftMask, "\033[37;8u", 0, 0}, + { XK_percent, Mod1Mask|ShiftMask, "\033[37;4u", 0, 0}, + { XK_period, ControlMask, "\033[46;5u", 0, 0}, + { XK_period, ControlMask|ShiftMask, "\033[46;6u", 0, 0}, + { XK_period, Mod1Mask|ControlMask, "\033[46;7u", 0, 0}, + { XK_period, Mod1Mask|ControlMask|ShiftMask, "\033[46;8u", 0, 0}, + { XK_period, Mod1Mask|ShiftMask, "\033[46;4u", 0, 0}, + { XK_plus, ControlMask, "\033[43;5u", 0, 0}, + { XK_plus, ControlMask|ShiftMask, "\033[43;6u", 0, 0}, + { XK_plus, Mod1Mask, "\033[43;3u", 0, 0}, + { XK_plus, Mod1Mask|ControlMask, "\033[43;7u", 0, 0}, + { XK_plus, Mod1Mask|ControlMask|ShiftMask, "\033[43;8u", 0, 0}, + { XK_plus, Mod1Mask|ShiftMask, "\033[43;4u", 0, 0}, + { XK_question, ControlMask, "\033[63;5u", 0, 0}, + { XK_question, ControlMask|ShiftMask, "\033[63;6u", 0, 0}, + { XK_question, Mod1Mask, "\033[63;3u", 0, 0}, + { XK_question, Mod1Mask|ControlMask, "\033[63;7u", 0, 0}, + { XK_question, Mod1Mask|ControlMask|ShiftMask, "\033[63;8u", 0, 0}, + { XK_question, Mod1Mask|ShiftMask, "\033[63;4u", 0, 0}, + { XK_quotedbl, ControlMask, "\033[34;5u", 0, 0}, + { XK_quotedbl, ControlMask|ShiftMask, "\033[34;6u", 0, 0}, + { XK_quotedbl, Mod1Mask, "\033[34;3u", 0, 0}, + { XK_quotedbl, Mod1Mask|ControlMask, "\033[34;7u", 0, 0}, + { XK_quotedbl, Mod1Mask|ControlMask|ShiftMask, "\033[34;8u", 0, 0}, + { XK_quotedbl, Mod1Mask|ShiftMask, "\033[34;4u", 0, 0}, + { XK_semicolon, ControlMask, "\033[59;5u", 0, 0}, + { XK_semicolon, ControlMask|ShiftMask, "\033[59;6u", 0, 0}, + { XK_semicolon, Mod1Mask, "\033[59;3u", 0, 0}, + { XK_semicolon, Mod1Mask|ControlMask, "\033[59;7u", 0, 0}, + { XK_semicolon, Mod1Mask|ControlMask|ShiftMask, "\033[59;8u", 0, 0}, + { XK_semicolon, Mod1Mask|ShiftMask, "\033[59;4u", 0, 0}, + { XK_slash, ControlMask|ShiftMask, "\033[47;6u", 0, 0}, + { XK_slash, Mod1Mask, "\033[47;3u", 0, 0}, + { XK_slash, Mod1Mask|ControlMask, "\033[47;7u", 0, 0}, + { XK_slash, Mod1Mask|ControlMask|ShiftMask, "\033[47;8u", 0, 0}, + { XK_slash, Mod1Mask|ShiftMask, "\033[47;4u", 0, 0}, + { XK_underscore, ControlMask, "\033[95;5u", 0, 0}, + { XK_underscore, ControlMask|ShiftMask, "\033[95;6u", 0, 0}, + { XK_underscore, Mod1Mask, "\033[95;3u", 0, 0}, + { XK_underscore, Mod1Mask|ControlMask, "\033[95;7u", 0, 0}, + { XK_underscore, Mod1Mask|ControlMask|ShiftMask, "\033[95;8u", 0, 0}, + { XK_underscore, Mod1Mask|ShiftMask, "\033[95;4u", 0, 0}, +}; diff --git a/patch/font2.c b/patch/font2.c new file mode 100644 index 0000000..ad2f156 --- /dev/null +++ b/patch/font2.c @@ -0,0 +1,95 @@ +int +xloadsparefont(FcPattern *pattern, int flags) +{ + FcPattern *match; + FcResult result; + + match = XftFontMatch(xw.dpy, xw.scr, pattern, &result); + if (!match) { + return 1; + } + + if (!(frc[frclen].font = XftFontOpenPattern(xw.dpy, match))) { + FcPatternDestroy(match); + return 1; + } + + frc[frclen].flags = flags; + /* Believe U+0000 glyph will present in each default font */ + frc[frclen].unicodep = 0; + frclen++; + + return 0; +} + +void +xloadsparefonts(void) +{ + FcPattern *pattern; + double fontval; + int fc; + char **fp; + + if (frclen != 0) + die("can't embed spare fonts. cache isn't empty"); + + /* Calculate count of spare fonts */ + fc = sizeof(font2) / sizeof(*font2); + if (fc == 0) + return; + + /* Allocate memory for cache entries. */ + if (frccap < 4 * fc) { + frccap += 4 * fc - frccap; + frc = xrealloc(frc, frccap * sizeof(Fontcache)); + } + + for (fp = font2; fp - font2 < fc; ++fp) { + + if (**fp == '-') + pattern = XftXlfdParse(*fp, False, False); + else + pattern = FcNameParse((FcChar8 *)*fp); + + if (!pattern) + die("can't open spare font %s\n", *fp); + + if (defaultfontsize > 0 && defaultfontsize != usedfontsize) { + if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) == + FcResultMatch) { + fontval *= usedfontsize / defaultfontsize; + FcPatternDel(pattern, FC_PIXEL_SIZE); + FcPatternDel(pattern, FC_SIZE); + FcPatternAddDouble(pattern, FC_PIXEL_SIZE, fontval); + } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) == + FcResultMatch) { + fontval *= usedfontsize / defaultfontsize; + FcPatternDel(pattern, FC_PIXEL_SIZE); + FcPatternDel(pattern, FC_SIZE); + FcPatternAddDouble(pattern, FC_SIZE, fontval); + } + } + + FcPatternAddBool(pattern, FC_SCALABLE, 1); + + if (xloadsparefont(pattern, FRC_NORMAL)) + die("can't open spare font %s\n", *fp); + + FcPatternDel(pattern, FC_SLANT); + FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC); + if (xloadsparefont(pattern, FRC_ITALIC)) + die("can't open spare font %s\n", *fp); + + FcPatternDel(pattern, FC_WEIGHT); + FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD); + if (xloadsparefont(pattern, FRC_ITALICBOLD)) + die("can't open spare font %s\n", *fp); + + FcPatternDel(pattern, FC_SLANT); + FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN); + if (xloadsparefont(pattern, FRC_BOLD)) + die("can't open spare font %s\n", *fp); + + FcPatternDestroy(pattern); + } +} diff --git a/patch/font2.h b/patch/font2.h new file mode 100644 index 0000000..69df588 --- /dev/null +++ b/patch/font2.h @@ -0,0 +1,2 @@ +static int xloadsparefont(FcPattern *, int); +static void xloadsparefonts(void); diff --git a/patch/keyboardselect_reflow.txt b/patch/keyboardselect_reflow.txt new file mode 100644 index 0000000..8dd6c49 --- /dev/null +++ b/patch/keyboardselect_reflow.txt @@ -0,0 +1,29 @@ +Shortcuts in keyboard selection mode: + +h, j, k, l: move cursor left/down/up/right (also with arrow keys) +H, M, L: move cursor to the top/middle/bottom of the screen +Home, End: move cursor to the top/bottom of the screen +Backspace or 0, $ or A: move cursor to the beginning/end of the line +^ or I: move cursor to the beginning of the indented line +!: move cursor to the middle of the row +_: move cursor to the right edge of the screen +*: move cursor to the center of the screen +w, W jump forward to the start of a word +e, E jump forward to the end of a word +b, B jump backward to the start of a word +g, G: go to the first/last line +z: center the screen on the cursor +PgUp or K, PgDown or J: scroll the page up/down +/, ?: activate input mode and search up/down +n, N: repeat last search and search forward/backward +f, F: jump forward/backward to the given character +t, T: jump forward/backward to before the given character +; or r repeat previous f, t, F or T movement and move forward +, or R repeat previous f, t, F or T movement and move backward +v: toggle selection mode +V: toggle line selection mode +s: toggle regular/rectangular selection type +y: yank (copy) selected text +0 - 9: set the quantifier +Return: quit keyboard_select, yank and keep the highlight of the selection +Escape, q: quit keyboard_select/exit input mode/exit selection mode/reset quantifier diff --git a/patch/keyboardselect_reflow_st.c b/patch/keyboardselect_reflow_st.c new file mode 100644 index 0000000..f31285c --- /dev/null +++ b/patch/keyboardselect_reflow_st.c @@ -0,0 +1,762 @@ +#include + +enum keyboardselect_mode { + KBDS_MODE_MOVE = 0, + KBDS_MODE_SELECT = 1<<1, + KBDS_MODE_LSELECT = 1<<2, + KBDS_MODE_FIND = 1<<3, + KBDS_MODE_SEARCH = 1<<4, +}; + +enum cursor_wrap { + KBDS_WRAP_NONE = 0, + KBDS_WRAP_LINE = 1<<0, + KBDS_WRAP_EDGE = 1<<1, +}; + +typedef struct { + int x; + int y; + Line line; + int len; +} KCursor; + +static int kbds_in_use, kbds_quant; +static int kbds_seltype = SEL_REGULAR; +static int kbds_mode, kbds_directsearch; +static int kbds_searchlen, kbds_searchdir, kbds_searchcase; +static int kbds_finddir, kbds_findtill; +static Glyph *kbds_searchstr; +static Rune kbds_findchar; +static KCursor kbds_c, kbds_oc; + +void +kbds_drawstatusbar(int y) +{ + static char *modes[] = { " MOVE ", "", " SELECT ", " RSELECT ", " LSELECT ", + " SEARCH FW ", " SEARCH BW ", " FIND FW ", " FIND BW " }; + static char quant[20] = { ' ' }; + static Glyph g; + int i, n, m; + int mlen, qlen; + + if (!kbds_in_use) + return; + + g.mode = ATTR_REVERSE; + g.fg = defaultfg; + g.bg = defaultbg; + + if (y == 0) { + if (kbds_issearchmode()) + m = 5 + (kbds_searchdir < 0 ? 1 : 0); + else if (kbds_mode & KBDS_MODE_FIND) + m = 7 + (kbds_finddir < 0 ? 1 : 0); + else if (kbds_mode & KBDS_MODE_SELECT) + m = 2 + (kbds_seltype == SEL_RECTANGULAR ? 1 : 0); + else + m = kbds_mode; + mlen = strlen(modes[m]); + qlen = kbds_quant ? snprintf(quant+1, sizeof quant-1, "%i", kbds_quant) + 1 : 0; + if (kbds_c.y != y || kbds_c.x < term.col - qlen - mlen) { + for (n = mlen, i = term.col-1; i >= 0 && n > 0; i--) { + g.u = modes[m][--n]; + xdrawglyph(g, i, y); + } + for (n = qlen; i >= 0 && n > 0; i--) { + g.u = quant[--n]; + xdrawglyph(g, i, y); + } + } + } + + if (y == term.row-1 && kbds_issearchmode()) { + for (g.u = ' ', i = 0; i < term.col; i++) + xdrawglyph(g, i, y); + g.u = (kbds_searchdir > 0) ? '/' : '?'; + xdrawglyph(g, 0, y); + for (i = 0; i < kbds_searchlen; i++) { + g.u = kbds_searchstr[i].u; + g.mode = kbds_searchstr[i].mode | ATTR_WIDE | ATTR_REVERSE; + if (g.u == ' ' || g.mode & ATTR_WDUMMY) + continue; + xdrawglyph(g, i + 1, y); + } + g.u = ' '; + g.mode = ATTR_NULL; + xdrawglyph(g, i + 1, y); + } +} + +void +kbds_pasteintosearch(const char *data, int len, int append) +{ + static char buf[BUFSIZ]; + static int buflen; + Rune u; + int l, n, charsize; + + if (!append) + buflen = 0; + + for (; len > 0; len -= l, data += l) { + l = MIN(sizeof(buf) - buflen, len); + memmove(buf + buflen, data, l); + buflen += l; + for (n = 0; n < buflen; n += charsize) { + if (IS_SET(MODE_UTF8)) { + /* process a complete utf8 char */ + charsize = utf8decode(buf + n, &u, buflen - n); + if (charsize == 0) + break; + } else { + u = buf[n] & 0xFF; + charsize = 1; + } + if (u > 0x1f && kbds_searchlen < term.col-2) { + kbds_searchstr[kbds_searchlen].u = u; + kbds_searchstr[kbds_searchlen++].mode = ATTR_NULL; + if (wcwidth(u) > 1) { + kbds_searchstr[kbds_searchlen-1].mode = ATTR_WIDE; + if (kbds_searchlen < term.col-2) { + kbds_searchstr[kbds_searchlen].u = 0; + kbds_searchstr[kbds_searchlen++].mode = ATTR_WDUMMY; + } + } + } + } + buflen -= n; + /* keep any incomplete UTF-8 byte sequence for the next call */ + if (buflen > 0) + memmove(buf, buf + n, buflen); + } + term.dirty[term.row-1] = 1; +} + +int +kbds_top(void) +{ + return IS_SET(MODE_ALTSCREEN) ? 0 : -term.histf + term.scr; +} + +int +kbds_bot(void) +{ + return IS_SET(MODE_ALTSCREEN) ? term.row-1 : term.row-1 + term.scr; +} + +int +kbds_iswrapped(KCursor *c) +{ + return c->len > 0 && (c->line[c->len-1].mode & ATTR_WRAP); +} + +int +kbds_isselectmode(void) +{ + return kbds_in_use && (kbds_mode & (KBDS_MODE_SELECT | KBDS_MODE_LSELECT)); +} + +int +kbds_issearchmode(void) +{ + return kbds_in_use && (kbds_mode & KBDS_MODE_SEARCH); +} + +void +kbds_setmode(int mode) +{ + kbds_mode = mode; + term.dirty[0] = 1; +} + +void +kbds_selecttext(void) +{ + if (kbds_isselectmode()) { + if (kbds_mode & KBDS_MODE_LSELECT) + selextend(term.col-1, kbds_c.y, SEL_RECTANGULAR, 0); + else + selextend(kbds_c.x, kbds_c.y, kbds_seltype, 0); + if (sel.mode == SEL_IDLE) + kbds_setmode(kbds_mode & ~(KBDS_MODE_SELECT | KBDS_MODE_LSELECT)); + } +} + +void +kbds_copytoclipboard(void) +{ + if (kbds_mode & KBDS_MODE_LSELECT) { + selextend(term.col-1, kbds_c.y, SEL_RECTANGULAR, 1); + sel.type = SEL_REGULAR; + } else { + selextend(kbds_c.x, kbds_c.y, kbds_seltype, 1); + } + xsetsel(getsel()); + + xclipcopy(); +} + +void +kbds_clearhighlights(void) +{ + int x, y; + Line line; + + for (y = (IS_SET(MODE_ALTSCREEN) ? 0 : -term.histf); y < term.row; y++) { + line = TLINEABS(y); + for (x = 0; x < term.col; x++) + line[x].mode &= ~ATTR_HIGHLIGHT; + } + tfulldirt(); +} + +int +kbds_moveto(int x, int y) +{ + if (y < 0) + kscrollup(&((Arg){ .i = -y })); + else if (y >= term.row) + kscrolldown(&((Arg){ .i = y - term.row + 1 })); + kbds_c.x = (x < 0) ? 0 : (x > term.col-1) ? term.col-1 : x; + kbds_c.y = (y < 0) ? 0 : (y > term.row-1) ? term.row-1 : y; + kbds_c.line = TLINE(kbds_c.y); + kbds_c.len = tlinelen(kbds_c.line); + if (kbds_c.x > 0 && (kbds_c.line[kbds_c.x].mode & ATTR_WDUMMY)) + kbds_c.x--; +} + +int +kbds_moveforward(KCursor *c, int dx, int wrap) +{ + KCursor n = *c; + + n.x += dx; + if (n.x >= 0 && n.x < term.col && (n.line[n.x].mode & ATTR_WDUMMY)) + n.x += dx; + + if (n.x < 0) { + if (!wrap || --n.y < kbds_top()) + return 0; + n.line = TLINE(n.y); + n.len = tlinelen(n.line); + if ((wrap & KBDS_WRAP_LINE) && kbds_iswrapped(&n)) + n.x = n.len-1; + else if (wrap & KBDS_WRAP_EDGE) + n.x = term.col-1; + else + return 0; + n.x -= (n.x > 0 && (n.line[n.x].mode & ATTR_WDUMMY)) ? 1 : 0; + } else if (n.x >= term.col) { + if (((wrap & KBDS_WRAP_EDGE) || + ((wrap & KBDS_WRAP_LINE) && kbds_iswrapped(&n))) && ++n.y <= kbds_bot()) { + n.line = TLINE(n.y); + n.len = tlinelen(n.line); + n.x = 0; + } else { + return 0; + } + } else if (n.x >= n.len && dx > 0 && (wrap & KBDS_WRAP_LINE)) { + if (n.x == n.len && kbds_iswrapped(&n) && n.y < kbds_bot()) { + ++n.y; + n.line = TLINE(n.y); + n.len = tlinelen(n.line); + n.x = 0; + } else if (!(wrap & KBDS_WRAP_EDGE)) { + return 0; + } + } + *c = n; + return 1; +} + +int +kbds_ismatch(KCursor c) +{ + KCursor m = c; + int i, next; + + if (c.x + kbds_searchlen > c.len && (!kbds_iswrapped(&c) || c.y >= kbds_bot())) + return 0; + + for (next = 0, i = 0; i < kbds_searchlen; i++) { + if (kbds_searchstr[i].mode & ATTR_WDUMMY) + continue; + if ((next++ && !kbds_moveforward(&c, 1, KBDS_WRAP_LINE)) || + (kbds_searchcase && kbds_searchstr[i].u != c.line[c.x].u) || + (!kbds_searchcase && kbds_searchstr[i].u != towlower(c.line[c.x].u))) + return 0; + } + + for (i = 0; i < kbds_searchlen; i++) { + if (!(kbds_searchstr[i].mode & ATTR_WDUMMY)) { + m.line[m.x].mode |= ATTR_HIGHLIGHT; + kbds_moveforward(&m, 1, KBDS_WRAP_LINE); + } + } + return 1; +} + +int +kbds_searchall(void) +{ + KCursor c; + int count = 0; + + if (!kbds_searchlen) + return 0; + + for (c.y = kbds_top(); c.y <= kbds_bot(); c.y++) { + c.line = TLINE(c.y); + c.len = tlinelen(c.line); + for (c.x = 0; c.x < c.len; c.x++) + count += kbds_ismatch(c); + } + tfulldirt(); + + return count; +} + +void +kbds_searchnext(int dir) +{ + KCursor c = kbds_c, n = kbds_c; + int wrapped = 0; + + if (!kbds_searchlen) { + kbds_quant = 0; + return; + } + + if (dir < 0 && c.x > c.len) + c.x = c.len; + + for (kbds_quant = MAX(kbds_quant, 1); kbds_quant > 0;) { + if (!kbds_moveforward(&c, dir, KBDS_WRAP_LINE)) { + c.y += dir; + if (c.y < kbds_top()) + c.y = kbds_bot(), wrapped++; + else if (c.y > kbds_bot()) + c.y = kbds_top(), wrapped++; + if (wrapped > 1) + break;; + c.line = TLINE(c.y); + c.len = tlinelen(c.line); + c.x = (dir < 0 && c.len > 0) ? c.len-1 : 0; + c.x -= (c.x > 0 && (c.line[c.x].mode & ATTR_WDUMMY)) ? 1 : 0; + } + if (kbds_ismatch(c)) { + n = c; + kbds_quant--; + } + } + + kbds_moveto(n.x, n.y); + kbds_quant = 0; +} + +void +kbds_findnext(int dir, int repeat) +{ + KCursor prev, c = kbds_c, n = kbds_c; + int skipfirst, yoff = 0; + + if (c.len <= 0 || kbds_findchar == 0) { + kbds_quant = 0; + return; + } + + if (dir < 0 && c.x > c.len) + c.x = c.len; + + kbds_quant = MAX(kbds_quant, 1); + skipfirst = (kbds_quant == 1 && repeat && kbds_findtill); + + while (kbds_quant > 0) { + prev = c; + if (!kbds_moveforward(&c, dir, KBDS_WRAP_LINE)) + break; + if (c.line[c.x].u == kbds_findchar) { + if (skipfirst && prev.x == kbds_c.x && prev.y == kbds_c.y) { + skipfirst = 0; + continue; + } + n.x = kbds_findtill ? prev.x : c.x; + n.y = c.y; + yoff = kbds_findtill ? prev.y - c.y : 0; + kbds_quant--; + } + } + + kbds_moveto(n.x, n.y); + kbds_moveto(kbds_c.x, kbds_c.y + yoff); + kbds_quant = 0; +} + +int +kbds_isdelim(KCursor c, int xoff, wchar_t *delims) +{ + if (xoff && !kbds_moveforward(&c, xoff, KBDS_WRAP_LINE)) + return 1; + return wcschr(delims, c.line[c.x].u) != NULL; +} + +void +kbds_nextword(int start, int dir, wchar_t *delims) +{ + KCursor c = kbds_c, n = kbds_c; + int xoff = start ? -1 : 1; + + if (dir < 0 && c.x > c.len) + c.x = c.len; + else if (dir > 0 && c.x >= c.len && c.len > 0) + c.x = c.len-1; + + for (kbds_quant = MAX(kbds_quant, 1); kbds_quant > 0;) { + if (!kbds_moveforward(&c, dir, KBDS_WRAP_LINE)) { + c.y += dir; + if (c.y < kbds_top() || c.y > kbds_bot()) + break; + c.line = TLINE(c.y); + c.len = tlinelen(c.line); + c.x = (dir < 0 && c.len > 0) ? c.len-1 : 0; + c.x -= (c.x > 0 && (c.line[c.x].mode & ATTR_WDUMMY)) ? 1 : 0; + } + if (c.len > 0 && + !kbds_isdelim(c, 0, delims) && kbds_isdelim(c, xoff, delims)) { + n = c; + kbds_quant--; + } + } + + kbds_moveto(n.x, n.y); + kbds_quant = 0; +} + +int +kbds_drawcursor(void) +{ + if (kbds_in_use && (!kbds_issearchmode() || kbds_c.y != term.row-1)) { + xdrawcursor(kbds_c.x, kbds_c.y, TLINE(kbds_c.y)[kbds_c.x], + kbds_oc.x, kbds_oc.y, TLINE(kbds_oc.y)[kbds_oc.x], + TLINE(kbds_oc.y), term.col); + kbds_moveto(kbds_c.x, kbds_c.y); + kbds_oc = kbds_c; + } + return term.scr != 0 || kbds_in_use; +} + +int +kbds_keyboardhandler(KeySym ksym, char *buf, int len, int forcequit) +{ + int i, q, dy, eol, islast, prevscr, count, wrap; + int alt = IS_SET(MODE_ALTSCREEN); + Line line; + Rune u; + + if (kbds_issearchmode() && !forcequit) { + switch (ksym) { + case XK_Escape: + kbds_searchlen = 0; + /* FALLTHROUGH */ + case XK_Return: + for (kbds_searchcase = 0, i = 0; i < kbds_searchlen; i++) { + if (kbds_searchstr[i].u != towlower(kbds_searchstr[i].u)) { + kbds_searchcase = 1; + break; + } + } + count = kbds_searchall(); + kbds_searchnext(kbds_searchdir); + kbds_selecttext(); + kbds_setmode(kbds_mode & ~KBDS_MODE_SEARCH); + if (count == 0 && kbds_directsearch) + ksym = XK_Escape; + break; + case XK_BackSpace: + if (kbds_searchlen) { + kbds_searchlen--; + if (kbds_searchlen && (kbds_searchstr[kbds_searchlen].mode & ATTR_WDUMMY)) + kbds_searchlen--; + } + break; + default: + if (len < 1 || kbds_searchlen >= term.col-2) + return 0; + utf8decode(buf, &u, len); + kbds_searchstr[kbds_searchlen].u = u; + kbds_searchstr[kbds_searchlen++].mode = ATTR_NULL; + if (wcwidth(u) > 1) { + kbds_searchstr[kbds_searchlen-1].mode = ATTR_WIDE; + if (kbds_searchlen < term.col-2) { + kbds_searchstr[kbds_searchlen].u = 0; + kbds_searchstr[kbds_searchlen++].mode = ATTR_WDUMMY; + } + } + break; + } + /* If the direct search is aborted, we just go to the next switch + * statement and exit the keyboard selection mode immediately */ + if (!(ksym == XK_Escape && kbds_directsearch)) { + term.dirty[term.row-1] = 1; + return 0; + } + } else if ((kbds_mode & KBDS_MODE_FIND) && !forcequit) { + kbds_findchar = 0; + switch (ksym) { + case XK_Escape: + case XK_Return: + kbds_quant = 0; + break; + default: + if (len < 1) + return 0; + utf8decode(buf, &kbds_findchar, len); + kbds_findnext(kbds_finddir, 0); + kbds_selecttext(); + break; + } + kbds_setmode(kbds_mode & ~KBDS_MODE_FIND); + return 0; + } + + switch (ksym) { + case -1: + kbds_searchstr = xmalloc(term.col * sizeof(Glyph)); + kbds_in_use = 1; + kbds_moveto(term.c.x, term.c.y); + kbds_oc = kbds_c; + kbds_setmode(KBDS_MODE_MOVE); + return MODE_KBDSELECT; + case XK_V: + if (kbds_mode & KBDS_MODE_LSELECT) { + selclear(); + kbds_setmode(kbds_mode & ~(KBDS_MODE_SELECT | KBDS_MODE_LSELECT)); + } else if (kbds_mode & KBDS_MODE_SELECT) { + selextend(term.col-1, kbds_c.y, SEL_RECTANGULAR, 0); + sel.ob.x = 0; + tfulldirt(); + kbds_setmode((kbds_mode ^ KBDS_MODE_SELECT) | KBDS_MODE_LSELECT); + } else { + selstart(0, kbds_c.y, 0); + selextend(term.col-1, kbds_c.y, SEL_RECTANGULAR, 0); + kbds_setmode(kbds_mode | KBDS_MODE_LSELECT); + } + break; + case XK_v: + if (kbds_mode & KBDS_MODE_SELECT) { + selclear(); + kbds_setmode(kbds_mode & ~(KBDS_MODE_SELECT | KBDS_MODE_LSELECT)); + } else if (kbds_mode & KBDS_MODE_LSELECT) { + selextend(kbds_c.x, kbds_c.y, kbds_seltype, 0); + kbds_setmode((kbds_mode ^ KBDS_MODE_LSELECT) | KBDS_MODE_SELECT); + } else { + selstart(kbds_c.x, kbds_c.y, 0); + kbds_setmode(kbds_mode | KBDS_MODE_SELECT); + } + break; + case XK_s: + if (!(kbds_mode & KBDS_MODE_LSELECT)) { + kbds_seltype ^= (SEL_REGULAR | SEL_RECTANGULAR); + selextend(kbds_c.x, kbds_c.y, kbds_seltype, 0); + } + break; + case XK_y: + case XK_Y: + if (kbds_isselectmode()) { + kbds_copytoclipboard(); + selclear(); + kbds_setmode(kbds_mode & ~(KBDS_MODE_SELECT | KBDS_MODE_LSELECT)); + } + break; + case -2: + case -3: + case XK_slash: + case XK_KP_Divide: + case XK_question: + kbds_directsearch = (ksym == -2 || ksym == -3); + kbds_searchdir = (ksym == XK_question || ksym == -3) ? -1 : 1; + kbds_searchlen = 0; + kbds_setmode(kbds_mode | KBDS_MODE_SEARCH); + kbds_clearhighlights(); + return 0; + case XK_q: + case XK_Escape: + if (!kbds_in_use) + return 0; + if (kbds_quant && !forcequit) { + kbds_quant = 0; + break; + } + selclear(); + if (kbds_isselectmode() && !forcequit) { + kbds_setmode(KBDS_MODE_MOVE); + break; + } + kbds_setmode(KBDS_MODE_MOVE); + /* FALLTHROUGH */ + case XK_Return: + if (kbds_isselectmode()) + kbds_copytoclipboard(); + kbds_in_use = kbds_quant = 0; + free(kbds_searchstr); + kscrolldown(&((Arg){ .i = term.histf })); + kbds_clearhighlights(); + return MODE_KBDSELECT; + case XK_n: + case XK_N: + kbds_searchnext(ksym == XK_n ? kbds_searchdir : -kbds_searchdir); + break; + case XK_BackSpace: + kbds_moveto(0, kbds_c.y); + break; + case XK_exclam: + kbds_moveto(term.col/2, kbds_c.y); + break; + case XK_underscore: + kbds_moveto(term.col-1, kbds_c.y); + break; + case XK_dollar: + case XK_A: + eol = kbds_c.len-1; + line = kbds_c.line; + islast = (kbds_c.x == eol || (kbds_c.x == eol-1 && (line[eol-1].mode & ATTR_WIDE))); + if (islast && kbds_iswrapped(&kbds_c) && kbds_c.y < kbds_bot()) + kbds_moveto(tlinelen(TLINE(kbds_c.y+1))-1, kbds_c.y+1); + else + kbds_moveto(islast ? term.col-1 : eol, kbds_c.y); + break; + case XK_asciicircum: + case XK_I: + for (i = 0; i < kbds_c.len && kbds_c.line[i].u == ' '; i++) + ; + kbds_moveto((i < kbds_c.len) ? i : 0, kbds_c.y); + break; + case XK_End: + case XK_KP_End: + kbds_moveto(kbds_c.x, term.row-1); + break; + case XK_Home: + case XK_KP_Home: + case XK_H: + kbds_moveto(kbds_c.x, 0); + break; + case XK_M: + kbds_moveto(kbds_c.x, alt ? (term.row-1) / 2 + : MIN(term.c.y + term.scr, term.row-1) / 2); + break; + case XK_L: + kbds_moveto(kbds_c.x, alt ? term.row-1 + : MIN(term.c.y + term.scr, term.row-1)); + break; + case XK_Page_Up: + case XK_KP_Page_Up: + case XK_K: + prevscr = term.scr; + kscrollup(&((Arg){ .i = term.row })); + kbds_moveto(kbds_c.x, alt ? 0 + : MAX(0, kbds_c.y - term.row + term.scr - prevscr)); + break; + case XK_Page_Down: + case XK_KP_Page_Down: + case XK_J: + prevscr = term.scr; + kscrolldown(&((Arg){ .i = term.row })); + kbds_moveto(kbds_c.x, alt ? term.row-1 + : MIN(MIN(term.c.y + term.scr, term.row-1), + kbds_c.y + term.row + term.scr - prevscr)); + break; + case XK_asterisk: + case XK_KP_Multiply: + kbds_moveto(term.col/2, (term.row-1) / 2); + break; + case XK_g: + kscrollup(&((Arg){ .i = term.histf })); + kbds_moveto(kbds_c.x, 0); + break; + case XK_G: + kscrolldown(&((Arg){ .i = term.histf })); + kbds_moveto(kbds_c.x, alt ? term.row-1 : term.c.y); + break; + case XK_b: + case XK_B: + kbds_nextword(1, -1, (ksym == XK_b) ? kbds_sdelim : kbds_ldelim); + break; + case XK_w: + case XK_W: + kbds_nextword(1, +1, (ksym == XK_w) ? kbds_sdelim : kbds_ldelim); + break; + case XK_e: + case XK_E: + kbds_nextword(0, +1, (ksym == XK_e) ? kbds_sdelim : kbds_ldelim); + break; + case XK_z: + prevscr = term.scr; + dy = kbds_c.y - (term.row-1) / 2; + if (dy <= 0) + kscrollup(&((Arg){ .i = -dy })); + else + kscrolldown(&((Arg){ .i = dy })); + kbds_moveto(kbds_c.x, kbds_c.y + term.scr - prevscr); + break; + case XK_f: + case XK_F: + case XK_t: + case XK_T: + kbds_finddir = (ksym == XK_f || ksym == XK_t) ? 1 : -1; + kbds_findtill = (ksym == XK_t || ksym == XK_T) ? 1 : 0; + kbds_setmode(kbds_mode | KBDS_MODE_FIND); + return 0; + case XK_semicolon: + case XK_r: + kbds_findnext(kbds_finddir, 1); + break; + case XK_comma: + case XK_R: + kbds_findnext(-kbds_finddir, 1); + break; + case XK_0: + case XK_KP_0: + if (!kbds_quant) { + kbds_moveto(0, kbds_c.y); + break; + } + /* FALLTHROUGH */ + default: + if (ksym >= XK_0 && ksym <= XK_9) { /* 0-9 keyboard */ + q = (kbds_quant * 10) + (ksym ^ XK_0); + kbds_quant = q <= 99999999 ? q : kbds_quant; + term.dirty[0] = 1; + return 0; + } else if (ksym >= XK_KP_0 && ksym <= XK_KP_9) { /* 0-9 numpad */ + q = (kbds_quant * 10) + (ksym ^ XK_KP_0); + kbds_quant = q <= 99999999 ? q : kbds_quant; + term.dirty[0] = 1; + return 0; + } else if (ksym == XK_k || ksym == XK_h) + i = ksym & 1; + else if (ksym == XK_l || ksym == XK_j) + i = ((ksym & 6) | 4) >> 1; + else if (ksym >= XK_KP_Left && ksym <= XK_KP_Down) + i = ksym - XK_KP_Left; + else if ((XK_Home & ksym) != XK_Home || (i = (ksym ^ XK_Home) - 1) > 3) + return 0; + + kbds_quant = (kbds_quant ? kbds_quant : 1); + + if (i & 1) { + kbds_c.y += kbds_quant * (i & 2 ? 1 : -1); + } else { + for (;kbds_quant > 0; kbds_quant--) { + if (!kbds_moveforward(&kbds_c, (i & 2) ? 1 : -1, + KBDS_WRAP_LINE | KBDS_WRAP_EDGE)) + break; + } + } + kbds_moveto(kbds_c.x, kbds_c.y); + } + kbds_selecttext(); + kbds_quant = 0; + term.dirty[0] = 1; + return 0; +} diff --git a/patch/keyboardselect_reflow_st.h b/patch/keyboardselect_reflow_st.h new file mode 100644 index 0000000..c840af8 --- /dev/null +++ b/patch/keyboardselect_reflow_st.h @@ -0,0 +1,6 @@ +void kbds_drawstatusbar(int y); +void kbds_pasteintosearch(const char *, int, int); +int kbds_isselectmode(void); +int kbds_issearchmode(void); +int kbds_drawcursor(void); +int kbds_keyboardhandler(KeySym, char *, int, int); diff --git a/patch/keyboardselect_reflow_x.c b/patch/keyboardselect_reflow_x.c new file mode 100644 index 0000000..c8a39a2 --- /dev/null +++ b/patch/keyboardselect_reflow_x.c @@ -0,0 +1,16 @@ +void keyboard_select(const Arg *dummy) +{ + win.mode ^= kbds_keyboardhandler(-1, NULL, 0, 0); +} + +void searchforward(const Arg *) +{ + win.mode ^= kbds_keyboardhandler(-1, NULL, 0, 0); + kbds_keyboardhandler(-2, NULL, 0, 0); +} + +void searchbackward(const Arg *) +{ + win.mode ^= kbds_keyboardhandler(-1, NULL, 0, 0); + kbds_keyboardhandler(-3, NULL, 0, 0); +} diff --git a/patch/keyboardselect_reflow_x.h b/patch/keyboardselect_reflow_x.h new file mode 100644 index 0000000..6893013 --- /dev/null +++ b/patch/keyboardselect_reflow_x.h @@ -0,0 +1,3 @@ +void keyboard_select(const Arg *); +void searchforward(const Arg *); +void searchbackward(const Arg *); diff --git a/patch/newterm.c b/patch/newterm.c new file mode 100644 index 0000000..0697b91 --- /dev/null +++ b/patch/newterm.c @@ -0,0 +1,30 @@ +void +newterm(const Arg* a) +{ + int res; + switch (fork()) { + case -1: + die("fork failed: %s\n", strerror(errno)); + break; + case 0: + switch (fork()) { + case -1: + die("fork failed: %s\n", strerror(errno)); + break; + case 0: + res = chdir(getcwd_by_pid(pid)); + execlp("st", "./st", NULL); + break; + default: + exit(0); + } + default: + wait(NULL); + } +} + +static char *getcwd_by_pid(pid_t pid) { + char buf[32]; + snprintf(buf, sizeof buf, "/proc/%d/cwd", pid); + return realpath(buf, NULL); +} diff --git a/patch/newterm.h b/patch/newterm.h new file mode 100644 index 0000000..bbda153 --- /dev/null +++ b/patch/newterm.h @@ -0,0 +1,2 @@ +void newterm(const Arg *); +static char *getcwd_by_pid(pid_t pid); diff --git a/patch/openurlonclick.c b/patch/openurlonclick.c new file mode 100644 index 0000000..2efb187 --- /dev/null +++ b/patch/openurlonclick.c @@ -0,0 +1,126 @@ + +int url_x1, url_y1, url_x2, url_y2 = -1; +int url_draw, url_click, url_maxcol; + +static int +isvalidurlchar(Rune u) +{ + /* () and [] can appear in urls, but excluding them here will reduce false + * positives when figuring out where a given url ends. See copyurl patch. + */ + static char urlchars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "abcdefghijklmnopqrstuvwxyz" + "0123456789-._~:/?#@!$&'*+,;=%"; + return u < 128 && strchr(urlchars, (int)u) != NULL; +} + +/* find the end of the wrapped line */ +static int +findeowl(Line line) +{ + int i = term.col - 1; + + do { + if (line[i].mode & ATTR_WRAP) + return i; + } while (!(line[i].mode & ATTR_SET) && --i >= 0); + + return -1; +} + +void +clearurl(void) +{ + while (url_y1 <= url_y2 && url_y1 < term.row) + term.dirty[url_y1++] = 1; + url_y2 = -1; +} + +char * +detecturl(int col, int row, int draw) +{ + static char url[2048]; + Line line; + int x1, y1, x2, y2; + int i = sizeof(url)/2+1, j = sizeof(url)/2; + int row_start = row, col_start = col; + int minrow = tisaltscr() ? 0 : term.scr - term.histf; + int maxrow = tisaltscr() ? term.row - 1 : term.scr + term.row - 1; + + /* clear previously underlined url */ + if (draw) + clearurl(); + + url_maxcol = 0; + line = TLINE(row); + + if (!isvalidurlchar(line[col].u)) + return NULL; + + /* find the first character of url */ + do { + x1 = col_start, y1 = row_start; + url_maxcol = MAX(url_maxcol, x1); + url[--i] = line[col_start].u; + if (--col_start < 0) { + if (--row_start < minrow || (col_start = findeowl(TLINE(row_start))) < 0) + break; + line = TLINE(row_start); + } + } while (isvalidurlchar(line[col_start].u) && i > 0); + + /* early detection */ + if (url[i] != 'h') + return NULL; + + /* find the last character of url */ + line = TLINE(row); + do { + x2 = col, y2 = row; + url_maxcol = MAX(url_maxcol, x2); + url[j++] = line[col].u; + if (line[col++].mode & ATTR_WRAP) { + if (++row > maxrow) + break; + col = 0; + line = TLINE(row); + } + } while (col < term.col && isvalidurlchar(line[col].u) && j < sizeof(url)-1); + + url[j] = 0; + + if (strncmp("https://", &url[i], 8) && strncmp("http://", &url[i], 7)) + return NULL; + + /* Ignore some trailing characters to improve detection. */ + /* Alacritty and many other terminals also ignore these. */ + if (strchr(",.;:?!", (int)(url[j-1])) != NULL) { + x2 = MAX(x2-1, 0); + url[j-1] = 0; + } + + /* underline url (see xdrawglyphfontspecs() in x.c) */ + if (draw) { + url_x1 = (y1 >= 0) ? x1 : 0; + url_x2 = (y2 < term.row) ? x2 : url_maxcol; + url_y1 = MAX(y1, 0); + url_y2 = MIN(y2, term.row-1); + url_draw = 1; + for (y1 = url_y1; y1 <= url_y2; y1++) + term.dirty[y1] = 1; + } + + return &url[i]; +} + +void +openUrlOnClick(int col, int row, char* url_opener) +{ + char *url = detecturl(col, row, 1); + if (url) { + extern char **environ; + pid_t junk; + char *argv[] = { url_opener, url, NULL }; + posix_spawnp(&junk, argv[0], NULL, NULL, argv, environ); + } +} diff --git a/patch/openurlonclick.h b/patch/openurlonclick.h new file mode 100644 index 0000000..5aa09de --- /dev/null +++ b/patch/openurlonclick.h @@ -0,0 +1,8 @@ +#include + +static inline void restoremousecursor(void) { + if (!(win.mode & MODE_MOUSE) && xw.pointerisvisible) + XDefineCursor(xw.dpy, xw.win, xw.vpointer); +} +static void clearurl(void); +static void openUrlOnClick(int col, int row, char* url_opener); diff --git a/patch/reflow.c b/patch/reflow.c new file mode 100644 index 0000000..f69aa8e --- /dev/null +++ b/patch/reflow.c @@ -0,0 +1,874 @@ +void +tloaddefscreen(int clear, int loadcursor) +{ + int col, row, alt = IS_SET(MODE_ALTSCREEN); + + if (alt) { + if (clear) { + tclearregion(0, 0, term.col-1, term.row-1, 1); + tdeleteimages(); + } + col = term.col, row = term.row; + tswapscreen(); + } + if (loadcursor) + tcursor(CURSOR_LOAD); + if (alt) + tresizedef(col, row); +} + +void +tloadaltscreen(int clear, int savecursor) +{ + int col, row, def = !IS_SET(MODE_ALTSCREEN); + + if (savecursor) + tcursor(CURSOR_SAVE); + if (def) { + col = term.col, row = term.row; + kscrolldown(&((Arg){ .i = term.scr })); + tswapscreen(); + tresizealt(col, row); + } + if (clear) { + tclearregion(0, 0, term.col-1, term.row-1, 1); + tdeleteimages(); + } +} + +void +selmove(int n) +{ + sel.ob.y += n, sel.nb.y += n; + sel.oe.y += n, sel.ne.y += n; +} + +void +tclearglyph(Glyph *gp, int usecurattr) +{ + if (usecurattr) { + gp->fg = term.c.attr.fg; + gp->bg = term.c.attr.bg; + } else { + gp->fg = defaultfg; + gp->bg = defaultbg; + } + gp->mode = ATTR_NULL; + gp->u = ' '; +} + +void +treflow_moveimages(int oldy, int newy) +{ + ImageList *im; + + for (im = term.images; im; im = im->next) { + if (im->y == oldy) + im->reflow_y = newy; + } +} + +void +treflow(int col, int row) +{ + int i, j, x, x2; + int oce, nce, bot, scr; + int ox = 0, oy = -term.histf, nx = 0, ny = -1, len; + int cy = -1; /* proxy for new y coordinate of cursor */ + int buflen, nlines; + Line *buf, bufline, line; + ImageList *im, *next; + + for (im = term.images; im; im = im->next) + im->reflow_y = INT_MIN; /* unset reflow_y */ + + /* y coordinate of cursor line end */ + for (oce = term.c.y; oce < term.row - 1 && + tiswrapped(term.line[oce]); oce++); + + nlines = HISTSIZE + row; + buf = xmalloc(nlines * sizeof(Line)); + do { + if (!nx && ++ny < nlines) + buf[ny] = xmalloc(col * sizeof(Glyph)); + if (!ox) { + line = TLINEABS(oy); + len = tlinelen(line); + } + if (oy == term.c.y) { + if (!ox) + len = MAX(len, term.c.x + 1); + /* update cursor */ + if (cy < 0 && term.c.x - ox < col - nx) { + term.c.x = nx + term.c.x - ox, cy = ny; + UPDATEWRAPNEXT(0, col); + } + } + /* get reflowed lines in buf */ + bufline = buf[ny % nlines]; + if (col - nx > len - ox) { + memcpy(&bufline[nx], &line[ox], (len-ox) * sizeof(Glyph)); + nx += len - ox; + if (len == 0 || !(line[len - 1].mode & ATTR_WRAP)) { + for (j = nx; j < col; j++) + tclearglyph(&bufline[j], 0); + treflow_moveimages(oy+term.scr, ny); + nx = 0; + } else if (nx > 0) { + bufline[nx - 1].mode &= ~ATTR_WRAP; + } + ox = 0, oy++; + } else if (col - nx == len - ox) { + memcpy(&bufline[nx], &line[ox], (col-nx) * sizeof(Glyph)); + treflow_moveimages(oy+term.scr, ny); + ox = 0, oy++, nx = 0; + } else/* if (col - nx < len - ox) */ { + memcpy(&bufline[nx], &line[ox], (col-nx) * sizeof(Glyph)); + if (bufline[col - 1].mode & ATTR_WIDE) { + bufline[col - 2].mode |= ATTR_WRAP; + tclearglyph(&bufline[col - 1], 0); + ox--; + } else { + bufline[col - 1].mode |= ATTR_WRAP; + } + treflow_moveimages(oy+term.scr, ny); + ox += col - nx; + nx = 0; + } + } while (oy <= oce); + if (nx) + for (j = nx; j < col; j++) + tclearglyph(&bufline[j], 0); + + /* free extra lines */ + for (i = row; i < term.row; i++) + free(term.line[i]); + /* resize to new height */ + term.line = xrealloc(term.line, row * sizeof(Line)); + + buflen = MIN(ny + 1, nlines); + bot = MIN(ny, row - 1); + scr = MAX(row - term.row, 0); + /* update y coordinate of cursor line end */ + nce = MIN(oce + scr, bot); + /* update cursor y coordinate */ + term.c.y = nce - (ny - cy); + if (term.c.y < 0) { + j = nce, nce = MIN(nce + -term.c.y, bot); + term.c.y += nce - j; + while (term.c.y < 0) { + free(buf[ny-- % nlines]); + buflen--; + term.c.y++; + } + } + /* allocate new rows */ + for (i = row - 1; i > nce; i--) { + if (i >= term.row) + term.line[i] = xmalloc(col * sizeof(Glyph)); + else + term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph)); + for (j = 0; j < col; j++) + tclearglyph(&term.line[i][j], 0); + } + /* fill visible area */ + for (/*i = nce */; i >= term.row; i--, ny--, buflen--) + term.line[i] = buf[ny % nlines]; + for (/*i = term.row - 1 */; i >= 0; i--, ny--, buflen--) { + free(term.line[i]); + term.line[i] = buf[ny % nlines]; + } + /* fill lines in history buffer and update term.histf */ + for (/*i = -1 */; buflen > 0 && i >= -HISTSIZE; i--, ny--, buflen--) { + j = (term.histi + i + 1 + HISTSIZE) % HISTSIZE; + free(term.hist[j]); + term.hist[j] = buf[ny % nlines]; + } + term.histf = -i - 1; + term.scr = MIN(term.scr, term.histf); + /* resize rest of the history lines */ + for (/*i = -term.histf - 1 */; i >= -HISTSIZE; i--) { + j = (term.histi + i + 1 + HISTSIZE) % HISTSIZE; + term.hist[j] = xrealloc(term.hist[j], col * sizeof(Glyph)); + } + + /* move images to the final position */ + for (im = term.images; im; im = next) { + next = im->next; + if (im->reflow_y == INT_MIN) { + delete_image(im); + } else { + im->y = im->reflow_y - term.histf + term.scr - (ny + 1); + if (im->y - term.scr < -HISTSIZE || im->y - term.scr >= row) + delete_image(im); + } + } + + /* expand images into new text cells */ + for (im = term.images; im; im = next) { + next = im->next; + if (im->x < col) { + line = TLINE(im->y); + x2 = MIN(im->x + im->cols, col); + for (x = im->x; x < x2; x++) + line[x].mode |= ATTR_SIXEL; + } + } + + for (; buflen > 0; ny--, buflen--) + free(buf[ny % nlines]); + free(buf); +} + +void +rscrolldown(int n) +{ + int i; + Line temp; + + /* can never be true as of now + if (IS_SET(MODE_ALTSCREEN)) + return; */ + + if ((n = MIN(n, term.histf)) <= 0) + return; + + for (i = term.c.y + n; i >= n; i--) { + temp = term.line[i]; + term.line[i] = term.line[i-n]; + term.line[i-n] = temp; + } + for (/*i = n - 1 */; i >= 0; i--) { + temp = term.line[i]; + term.line[i] = term.hist[term.histi]; + term.hist[term.histi] = temp; + term.histi = (term.histi - 1 + HISTSIZE) % HISTSIZE; + } + term.c.y += n; + term.histf -= n; + if ((i = term.scr - n) >= 0) { + term.scr = i; + } else { + scroll_images(n - term.scr); + term.scr = 0; + if (sel.ob.x != -1 && !sel.alt) + selmove(-i); + } +} + +void +tresizedef(int col, int row) +{ + int i, j; + + /* return if dimensions haven't changed */ + if (term.col == col && term.row == row) { + tfulldirt(); + return; + } + if (col != term.col) { + if (!sel.alt) + selremove(); + treflow(col, row); + } else { + /* slide screen up if otherwise cursor would get out of the screen */ + if (term.c.y >= row) { + tscrollup(0, term.row - 1, term.c.y - row + 1, SCROLL_RESIZE); + term.c.y = row - 1; + } + for (i = row; i < term.row; i++) + free(term.line[i]); + + /* resize to new height */ + term.line = xrealloc(term.line, row * sizeof(Line)); + /* allocate any new rows */ + for (i = term.row; i < row; i++) { + term.line[i] = xmalloc(col * sizeof(Glyph)); + for (j = 0; j < col; j++) + tclearglyph(&term.line[i][j], 0); + } + /* scroll down as much as height has increased */ + rscrolldown(row - term.row); + } + /* update terminal size */ + term.col = col, term.row = row; + /* reset scrolling region */ + term.top = 0, term.bot = row - 1; + /* dirty all lines */ + tfulldirt(); +} + +void +tresizealt(int col, int row) +{ + int i, j; + ImageList *im, *next; + + /* return if dimensions haven't changed */ + if (term.col == col && term.row == row) { + tfulldirt(); + return; + } + if (sel.alt) + selremove(); + /* slide screen up if otherwise cursor would get out of the screen */ + for (i = 0; i <= term.c.y - row; i++) + free(term.line[i]); + if (i > 0) { + /* ensure that both src and dst are not NULL */ + memmove(term.line, term.line + i, row * sizeof(Line)); + scroll_images(-i); + term.c.y = row - 1; + } + for (i += row; i < term.row; i++) + free(term.line[i]); + /* resize to new height */ + term.line = xrealloc(term.line, row * sizeof(Line)); + /* resize to new width */ + for (i = 0; i < MIN(row, term.row); i++) { + term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph)); + for (j = term.col; j < col; j++) + tclearglyph(&term.line[i][j], 0); + } + /* allocate any new rows */ + for (/*i = MIN(row, term.row) */; i < row; i++) { + term.line[i] = xmalloc(col * sizeof(Glyph)); + for (j = 0; j < col; j++) + tclearglyph(&term.line[i][j], 0); + } + /* update cursor */ + if (term.c.x >= col) { + term.c.state &= ~CURSOR_WRAPNEXT; + term.c.x = col - 1; + } else { + UPDATEWRAPNEXT(1, col); + } + /* update terminal size */ + term.col = col, term.row = row; + /* reset scrolling region */ + term.top = 0, term.bot = row - 1; + + /* delete or clip images if they are not inside the screen */ + for (im = term.images; im; im = next) { + next = im->next; + if (im->x >= term.col || im->y >= term.row || im->y < 0) { + delete_image(im); + } else { + if ((im->cols = MIN(im->x + im->cols, term.col) - im->x) <= 0) + delete_image(im); + } + } + + /* dirty all lines */ + tfulldirt(); +} + +void +kscrolldown(const Arg* a) +{ + int n = a->i; + + if (!term.scr || IS_SET(MODE_ALTSCREEN)) + return; + + if (n < 0) + n = MAX(term.row / -n, 1); + + if (n <= term.scr) { + term.scr -= n; + } else { + n = term.scr; + term.scr = 0; + } + + if (sel.ob.x != -1 && !sel.alt) + selmove(-n); /* negate change in term.scr */ + tfulldirt(); + + scroll_images(-1*n); + + if (n > 0) + restoremousecursor(); +} + +void +kscrollup(const Arg* a) +{ + int n = a->i; + + if (!term.histf || IS_SET(MODE_ALTSCREEN)) + return; + + if (n < 0) + n = MAX(term.row / -n, 1); + + if (term.scr + n <= term.histf) { + term.scr += n; + } else { + n = term.histf - term.scr; + term.scr = term.histf; + } + + if (sel.ob.x != -1 && !sel.alt) + selmove(n); /* negate change in term.scr */ + tfulldirt(); + + scroll_images(n); + + if (n > 0) + restoremousecursor(); +} + +void +tscrollup(int top, int bot, int n, int mode) +{ + restoremousecursor(); + + int i, j, s; + Line temp; + int alt = IS_SET(MODE_ALTSCREEN); + int savehist = !alt && top == 0 && mode != SCROLL_NOSAVEHIST; + int scr = alt ? 0 : term.scr; + int itop = top + scr, ibot = bot + scr; + ImageList *im, *next; + + if (n <= 0) + return; + n = MIN(n, bot-top+1); + + if (savehist) { + for (i = 0; i < n; i++) { + term.histi = (term.histi + 1) % HISTSIZE; + temp = term.hist[term.histi]; + for (j = 0; j < term.col; j++) + tclearglyph(&temp[j], 1); + term.hist[term.histi] = term.line[i]; + term.line[i] = temp; + } + term.histf = MIN(term.histf + n, HISTSIZE); + s = n; + if (term.scr) { + j = term.scr; + term.scr = MIN(j + n, HISTSIZE); + s = j + n - term.scr; + } + if (mode != SCROLL_RESIZE) + tfulldirt(); + } else { + tclearregion(0, top, term.col-1, top+n-1, 1); + tsetdirt(top + scr, bot + scr); + } + + for (i = top; i <= bot-n; i++) { + temp = term.line[i]; + term.line[i] = term.line[i+n]; + term.line[i+n] = temp; + } + + if (alt || !savehist) { + /* move images, if they are inside the scrolling region */ + for (im = term.images; im; im = next) { + next = im->next; + if (im->y >= itop && im->y <= ibot) { + im->y -= n; + if (im->y < itop) + delete_image(im); + } + } + } else { + /* move images, if they are inside the scrolling region or scrollback */ + for (im = term.images; im; im = next) { + next = im->next; + im->y -= scr; + if (im->y < 0) { + im->y -= n; + } else if (im->y >= top && im->y <= bot) { + im->y -= n; + if (im->y < top) + im->y -= top; // move to scrollback + } + if (im->y < -HISTSIZE) + delete_image(im); + else + im->y += term.scr; + } + } + + if (sel.ob.x != -1 && sel.alt == alt) { + if (!savehist) { + selscroll(top, bot, -n); + } else if (s > 0) { + selmove(-s); + if (-term.scr + sel.nb.y < -term.histf) + selremove(); + } + } +} + +void +tscrolldown(int top, int n) +{ + restoremousecursor(); + + int i, bot = term.bot; + int scr = IS_SET(MODE_ALTSCREEN) ? 0 : term.scr; + int itop = top + scr, ibot = bot + scr; + Line temp; + ImageList *im, *next; + + if (n <= 0) + return; + n = MIN(n, bot-top+1); + + tsetdirt(top + scr, bot + scr); + tclearregion(0, bot-n+1, term.col-1, bot, 1); + + for (i = bot; i >= top+n; i--) { + temp = term.line[i]; + term.line[i] = term.line[i-n]; + term.line[i-n] = temp; + } + + /* move images, if they are inside the scrolling region */ + for (im = term.images; im; im = next) { + next = im->next; + if (im->y >= itop && im->y <= ibot) { + im->y += n; + if (im->y > ibot) + delete_image(im); + } + } + + if (sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN)) + selscroll(top, bot, n); +} + +void +tresize(int col, int row) +{ + int *bp; + + if (row != term.row || col != term.col) + win.mode ^= kbds_keyboardhandler(XK_Escape, NULL, 0, 1); + + term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty)); + term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs)); + if (col > term.col) { + bp = term.tabs + term.col; + memset(bp, 0, sizeof(*term.tabs) * (col - term.col)); + while (--bp > term.tabs && !*bp) + /* nothing */ ; + for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces) + *bp = 1; + } + + if (IS_SET(MODE_ALTSCREEN)) + tresizealt(col, row); + else + tresizedef(col, row); +} + +void +tclearregion(int x1, int y1, int x2, int y2, int usecurattr) +{ + int x, y; + + /* regionselected() takes relative coordinates */ + if (regionselected(x1+term.scr, y1+term.scr, x2+term.scr, y2+term.scr)) + selremove(); + + for (y = y1; y <= y2; y++) { + term.dirty[y] = 1; + for (x = x1; x <= x2; x++) + tclearglyph(&term.line[y][x], usecurattr); + } +} + +void +tnew(int col, int row) +{ + int i, j; + for (i = 0; i < 2; i++) { + term.line = xmalloc(row * sizeof(Line)); + for (j = 0; j < row; j++) + term.line[j] = xmalloc(col * sizeof(Glyph)); + term.col = col, term.row = row; + tswapscreen(); + } + term.dirty = xmalloc(row * sizeof(*term.dirty)); + term.tabs = xmalloc(col * sizeof(*term.tabs)); + for (i = 0; i < HISTSIZE; i++) + term.hist[i] = xmalloc(col * sizeof(Glyph)); + treset(); +} + +void +tdeletechar(int n) +{ + int src, dst, size; + Line line; + + if (n <= 0) + return; + dst = term.c.x; + src = MIN(term.c.x + n, term.col); + size = term.col - src; + if (size > 0) { /* otherwise src would point beyond the array + https://stackoverflow.com/questions/29844298 */ + line = term.line[term.c.y]; + memmove(&line[dst], &line[src], size * sizeof(Glyph)); + } + tclearregion(dst + size, term.c.y, term.col - 1, term.c.y, 1); +} + +void +tinsertblank(int n) +{ + int src, dst, size; + Line line; + + if (n <= 0) + return; + dst = MIN(term.c.x + n, term.col); + src = term.c.x; + size = term.col - dst; + + if (size > 0) { /* otherwise dst would point beyond the array */ + line = term.line[term.c.y]; + memmove(&line[dst], &line[src], size * sizeof(Glyph)); + } + tclearregion(src, term.c.y, dst - 1, term.c.y, 1); +} + +int +tlinelen(Line line) +{ + int i = term.col - 1; + + /* We are using a different algorithm on the alt screen because an + * application might use spaces to clear the screen and in that case it is + * impossible to find the end of the line when every cell has the ATTR_SET + * attribute. The second algorithm is more accurate on the main screen and + * and we can use it there. */ + if (IS_SET(MODE_ALTSCREEN)) + for (; i >= 0 && !(line[i].mode & ATTR_WRAP) && line[i].u == ' '; i--); + else + for (; i >= 0 && !(line[i].mode & (ATTR_SET | ATTR_WRAP)); i--); + + return i + 1; +} + +int +tiswrapped(Line line) +{ + int len = tlinelen(line); + + return len > 0 && (line[len - 1].mode & ATTR_WRAP); +} + +char * +tgetglyphs(char *buf, const Glyph *gp, const Glyph *lgp) +{ + while (gp <= lgp) + if (gp->mode & ATTR_WDUMMY) { + gp++; + } else { + buf += utf8encode((gp++)->u, buf); + } + return buf; +} + +size_t +tgetline(char *buf, const Glyph *fgp) +{ + char *ptr; + const Glyph *lgp = &fgp[term.col - 1]; + + while (lgp > fgp && !(lgp->mode & (ATTR_SET | ATTR_WRAP))) + lgp--; + ptr = tgetglyphs(buf, fgp, lgp); + if (!(lgp->mode & ATTR_WRAP)) + *(ptr++) = '\n'; + return ptr - buf; +} + +int +regionselected(int x1, int y1, int x2, int y2) +{ + if (sel.ob.x == -1 || sel.mode == SEL_EMPTY || + sel.alt != IS_SET(MODE_ALTSCREEN) || sel.nb.y > y2 || sel.ne.y < y1) + return 0; + + return (sel.type == SEL_RECTANGULAR) ? sel.nb.x <= x2 && sel.ne.x >= x1 + : (sel.nb.y != y2 || sel.nb.x <= x2) && + (sel.ne.y != y1 || sel.ne.x >= x1); +} + +int +selected(int x, int y) +{ + return regionselected(x, y, x, y); +} + +void +selsnap(int *x, int *y, int direction) +{ + int newx, newy; + int rtop = 0, rbot = term.row - 1; + int delim, prevdelim, maxlen; + const Glyph *gp, *prevgp; + + if (!IS_SET(MODE_ALTSCREEN)) + rtop += -term.histf + term.scr, rbot += term.scr; + + switch (sel.snap) { + case SNAP_WORD: + /* + * Snap around if the word wraps around at the end or + * beginning of a line. + */ + maxlen = (TLINE(*y)[term.col-2].mode & ATTR_WRAP) ? term.col-1 : term.col; + LIMIT(*x, 0, maxlen - 1); + prevgp = &TLINE(*y)[*x]; + prevdelim = ISDELIM(prevgp->u); + for (;;) { + newx = *x + direction; + newy = *y; + if (!BETWEEN(newx, 0, maxlen - 1)) { + newy += direction; + if (!BETWEEN(newy, rtop, rbot)) + break; + + if (!tiswrapped(TLINE(direction > 0 ? *y : newy))) + break; + + maxlen = (TLINE(newy)[term.col-2].mode & ATTR_WRAP) ? term.col-1 : term.col; + newx = direction > 0 ? 0 : maxlen - 1; + } + + gp = &TLINE(newy)[newx]; + delim = ISDELIM(gp->u); + if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim + || (delim && gp->u != prevgp->u))) + break; + + *x = newx; + *y = newy; + if (!(gp->mode & ATTR_WDUMMY)) { + prevgp = gp; + prevdelim = delim; + } + } + break; + case SNAP_LINE: + /* + * Snap around if the the previous line or the current one + * has set ATTR_WRAP at its end. Then the whole next or + * previous line will be selected. + */ + *x = (direction < 0) ? 0 : term.col - 1; + if (direction < 0) { + for (; *y > rtop; *y -= 1) { + if (!tiswrapped(TLINE(*y-1))) + break; + } + } else if (direction > 0) { + for (; *y < rbot; *y += 1) { + if (!tiswrapped(TLINE(*y))) + break; + } + } + break; + } +} + +void +selscroll(int top, int bot, int n) +{ + /* turn absolute coordinates into relative */ + top += term.scr, bot += term.scr; + + if (BETWEEN(sel.nb.y, top, bot) != BETWEEN(sel.ne.y, top, bot)) { + selclear(); + } else if (BETWEEN(sel.nb.y, top, bot)) { + selmove(n); + if (sel.nb.y < top || sel.ne.y > bot) + selclear(); + } +} + +void +tswapscreen(void) +{ + static Line *altline; + static int altcol, altrow; + Line *tmpline = term.line; + int tmpcol = term.col, tmprow = term.row; + ImageList *im = term.images; + + term.line = altline; + term.col = altcol, term.row = altrow; + altline = tmpline; + altcol = tmpcol, altrow = tmprow; + term.mode ^= MODE_ALTSCREEN; + + term.images = term.images_alt; + term.images_alt = im; +} + +char * +getsel(void) +{ + char *str, *ptr; + int y, lastx, linelen; + const Glyph *gp, *lgp; + + if (sel.ob.x == -1 || sel.alt != IS_SET(MODE_ALTSCREEN)) + return NULL; + + str = xmalloc((term.col + 1) * (sel.ne.y - sel.nb.y + 1) * UTF_SIZ); + ptr = str; + + /* append every set & selected glyph to the selection */ + for (y = sel.nb.y; y <= sel.ne.y; y++) { + Line line = TLINE(y); + + if ((linelen = tlinelen(line)) == 0) { + *ptr++ = '\n'; + continue; + } + + if (sel.type == SEL_RECTANGULAR) { + gp = &line[sel.nb.x]; + lastx = sel.ne.x; + } else { + gp = &line[sel.nb.y == y ? sel.nb.x : 0]; + lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1; + } + lgp = &line[MIN(lastx, linelen-1)]; + + ptr = tgetglyphs(ptr, gp, lgp); + /* + * Copy and pasting of line endings is inconsistent + * in the inconsistent terminal and GUI world. + * The best solution seems like to produce '\n' when + * something is copied from st and convert '\n' to + * '\r', when something to be pasted is received by + * st. + * FIXME: Fix the computer world. + */ + if ((y < sel.ne.y || lastx >= linelen) && + (!(lgp->mode & ATTR_WRAP) || sel.type == SEL_RECTANGULAR)) + *ptr++ = '\n'; + } + *ptr = '\0'; + return str; +} + +void +tdumpline(int n) +{ + char str[(term.col + 1) * UTF_SIZ]; + + tprinter(str, tgetline(str, &term.line[n][0])); +} diff --git a/patch/reflow.h b/patch/reflow.h new file mode 100644 index 0000000..ec28375 --- /dev/null +++ b/patch/reflow.h @@ -0,0 +1,44 @@ +#define TLINE(y) ( \ + (y) < term.scr ? term.hist[(term.histi + (y) - term.scr + 1 + HISTSIZE) % HISTSIZE] \ + : term.line[(y) - term.scr] \ +) + +#define TLINEABS(y) ( \ + (y) < 0 ? term.hist[(term.histi + (y) + 1 + HISTSIZE) % HISTSIZE] : term.line[(y)] \ +) + +#define UPDATEWRAPNEXT(alt, col) do { \ + if ((term.c.state & CURSOR_WRAPNEXT) && term.c.x + term.wrapcwidth[alt] < col) { \ + term.c.x += term.wrapcwidth[alt]; \ + term.c.state &= ~CURSOR_WRAPNEXT; \ + } \ +} while (0); + +static int tiswrapped(Line line); +static size_t tgetline(char *, const Glyph *); +static inline int regionselected(int, int, int, int); +static void tloaddefscreen(int, int); +static void tloadaltscreen(int, int); +static void selmove(int); +static inline void tclearglyph(Glyph *, int); +static void treflow(int, int); +static void rscrolldown(int); +static void tresizedef(int, int); +static void tresizealt(int, int); +void kscrolldown(const Arg *); +void kscrollup(const Arg *); +static void tscrollup(int, int, int, int); +static void tclearregion(int, int, int, int, int); +static void tdeletechar(int); +static int tlinelen(Line len); +static char * tgetglyphs(char *buf, const Glyph *gp, const Glyph *lgp); +static void selscroll(int, int, int); + +typedef struct { + uint b; + uint mask; + void (*func)(const Arg *); + const Arg arg; +} MouseKey; + +extern MouseKey mkeys[]; diff --git a/patch/st_include.c b/patch/st_include.c new file mode 100644 index 0000000..6935fd3 --- /dev/null +++ b/patch/st_include.c @@ -0,0 +1,5 @@ +/* Patches */ +#include "keyboardselect_reflow_st.c" +#include "newterm.c" +#include "reflow.c" +#include "sync.c" diff --git a/patch/st_include.h b/patch/st_include.h new file mode 100644 index 0000000..947d5e3 --- /dev/null +++ b/patch/st_include.h @@ -0,0 +1,6 @@ +/* Patches */ +#include "keyboardselect_reflow_st.h" +#include "openurlonclick.h" +#include "newterm.h" +#include "reflow.h" +#include "sync.h" diff --git a/patch/sync.c b/patch/sync.c new file mode 100644 index 0000000..9c75c7d --- /dev/null +++ b/patch/sync.c @@ -0,0 +1,31 @@ +#include +struct timespec sutv; + +static void +tsync_begin() +{ + clock_gettime(CLOCK_MONOTONIC, &sutv); + su = 1; +} + +static void +tsync_end() +{ + su = 0; +} + +int +tinsync(uint timeout) +{ + struct timespec now; + if (su && !clock_gettime(CLOCK_MONOTONIC, &now) + && TIMEDIFF(now, sutv) >= timeout) + su = 0; + return su; +} + +int +ttyread_pending() +{ + return twrite_aborted; +} diff --git a/patch/sync.h b/patch/sync.h new file mode 100644 index 0000000..1a84934 --- /dev/null +++ b/patch/sync.h @@ -0,0 +1,7 @@ +static int su = 0; +static int twrite_aborted = 0; + +static void tsync_begin(); +static void tsync_end(); +int tinsync(uint timeout); +int ttyread_pending(); diff --git a/patch/utils.h b/patch/utils.h new file mode 100644 index 0000000..6cfca3e --- /dev/null +++ b/patch/utils.h @@ -0,0 +1,23 @@ +/// Dynamic memory-chunk, with (1) datatype size, (2/3) initialized / allocated chunk, (4) content +typedef struct { uint8_t const elSize; uint32_t init, alloc; char* content; } DynamicArray; +#define UTF8_ARRAY {4, 0, 0, NULL} + +static inline int p_alloc(DynamicArray *s, uint32_t amount) { + uint32_t const diff=s->init+s->elSize*amount-s->alloc, nas=s->alloc+max(diff,15)*s->elSize; + if (s->alloc < s->init + s->elSize * amount) { + char* tmp = realloc(s->content, nas); + if (!tmp) return 0; + s->alloc = nas, s->content = tmp; + } + return 1; +} +static inline char *view(DynamicArray * s, uint32_t i) { return s->content + i*s->elSize; } +static inline char *end(DynamicArray *s, uint32_t i) { return s->content +s->init-(i+1)*s->elSize; } +static inline uint32_t getU32(DynamicArray* s, uint32_t i, int b) { return *((uint32_t*) (b ?view(s,i) :end(s,i))); } +static char *expand(DynamicArray *s) { if (!p_alloc(s, 1)) return NULL; s->init += s->elSize; return end(s, 0); } +static inline void pop(DynamicArray* s) { s->init -= s->elSize; } +static inline void empty(DynamicArray* s) { s->init = 0; } +static inline int size(DynamicArray const * s) { return s->init / s->elSize; } +static inline void assign(DynamicArray* s, DynamicArray const *o) { + if (p_alloc(s, size(o))) memcpy(s->content, o->content, (s->init=o->init)); +} diff --git a/patch/x_include.c b/patch/x_include.c new file mode 100644 index 0000000..98a4d6d --- /dev/null +++ b/patch/x_include.c @@ -0,0 +1,6 @@ +/* Patches */ +#include "boxdraw.c" +#include "fixkeyboardinput.c" +#include "font2.c" +#include "keyboardselect_reflow_x.c" +#include "openurlonclick.c" diff --git a/patch/x_include.h b/patch/x_include.h new file mode 100644 index 0000000..8e48f64 --- /dev/null +++ b/patch/x_include.h @@ -0,0 +1,5 @@ +/* Patches */ +#include "boxdraw.h" +#include "font2.h" +#include "keyboardselect_reflow_st.h" +#include "keyboardselect_reflow_x.h" diff --git a/sixel.c b/sixel.c new file mode 100644 index 0000000..236d5ec --- /dev/null +++ b/sixel.c @@ -0,0 +1,687 @@ +// sixel.c (part of mintty) +// originally written by kmiya@cluti (https://github.com/saitoha/sixel/blob/master/fromsixel.c) +// Licensed under the terms of the GNU General Public License v3 or later. + +#include +#include /* memcpy */ + +#include "st.h" +#include "win.h" +#include "sixel.h" +#include "sixel_hls.h" + +#define SIXEL_RGB(r, g, b) ((255 << 24) + ((r) << 16) + ((g) << 8) + (b)) +#define SIXEL_PALVAL(n,a,m) (((n) * (a) + ((m) / 2)) / (m)) +#define SIXEL_XRGB(r,g,b) SIXEL_RGB(SIXEL_PALVAL(r, 255, 100), SIXEL_PALVAL(g, 255, 100), SIXEL_PALVAL(b, 255, 100)) + +static sixel_color_t const sixel_default_color_table[] = { + SIXEL_XRGB( 0, 0, 0), /* 0 Black */ + SIXEL_XRGB(20, 20, 80), /* 1 Blue */ + SIXEL_XRGB(80, 13, 13), /* 2 Red */ + SIXEL_XRGB(20, 80, 20), /* 3 Green */ + SIXEL_XRGB(80, 20, 80), /* 4 Magenta */ + SIXEL_XRGB(20, 80, 80), /* 5 Cyan */ + SIXEL_XRGB(80, 80, 20), /* 6 Yellow */ + SIXEL_XRGB(53, 53, 53), /* 7 Gray 50% */ + SIXEL_XRGB(26, 26, 26), /* 8 Gray 25% */ + SIXEL_XRGB(33, 33, 60), /* 9 Blue* */ + SIXEL_XRGB(60, 26, 26), /* 10 Red* */ + SIXEL_XRGB(33, 60, 33), /* 11 Green* */ + SIXEL_XRGB(60, 33, 60), /* 12 Magenta* */ + SIXEL_XRGB(33, 60, 60), /* 13 Cyan* */ + SIXEL_XRGB(60, 60, 33), /* 14 Yellow* */ + SIXEL_XRGB(80, 80, 80), /* 15 Gray 75% */ +}; + +void +scroll_images(int n) { + ImageList *im, *next; + int top = tisaltscr() ? 0 : term.scr - HISTSIZE; + + for (im = term.images; im; im = next) { + next = im->next; + im->y += n; + + /* check if the current sixel has exceeded the maximum + * draw distance, and should therefore be deleted */ + if (im->y < top) { + //fprintf(stderr, "im@0x%08x exceeded maximum distance\n"); + delete_image(im); + } + } +} + +void +delete_image(ImageList *im) +{ + if (im->prev) + im->prev->next = im->next; + else + term.images = im->next; + if (im->next) + im->next->prev = im->prev; + if (im->pixmap) + XFreePixmap(xw.dpy, (Drawable)im->pixmap); + if (im->clipmask) + XFreePixmap(xw.dpy, (Drawable)im->clipmask); + free(im->pixels); + free(im); +} + +static int +set_default_color(sixel_image_t *image) +{ + int i; + int n; + int r; + int g; + int b; + + /* palette initialization */ + for (n = 1; n < 17; n++) { + image->palette[n] = sixel_default_color_table[n - 1]; + } + + /* colors 17-232 are a 6x6x6 color cube */ + for (r = 0; r < 6; r++) { + for (g = 0; g < 6; g++) { + for (b = 0; b < 6; b++) { + image->palette[n++] = SIXEL_RGB(r * 51, g * 51, b * 51); + } + } + } + + /* colors 233-256 are a grayscale ramp, intentionally leaving out */ + for (i = 0; i < 24; i++) { + image->palette[n++] = SIXEL_RGB(i * 11, i * 11, i * 11); + } + + for (; n < DECSIXEL_PALETTE_MAX; n++) { + image->palette[n] = SIXEL_RGB(255, 255, 255); + } + + return (0); +} + +static int +sixel_image_init( + sixel_image_t *image, + int width, + int height, + int fgcolor, + int bgcolor, + int use_private_register) +{ + int status = (-1); + size_t size; + + size = (size_t)(width * height) * sizeof(sixel_color_no_t); + image->width = width; + image->height = height; + image->data = (sixel_color_no_t *)malloc(size); + image->ncolors = 2; + image->use_private_register = use_private_register; + + if (image->data == NULL) { + status = (-1); + goto end; + } + memset(image->data, 0, size); + + image->palette[0] = bgcolor; + + if (image->use_private_register) + image->palette[1] = fgcolor; + + image->palette_modified = 0; + + status = (0); + +end: + return status; +} + +static int +image_buffer_resize( + sixel_image_t *image, + int width, + int height) +{ + int status = (-1); + size_t size; + sixel_color_no_t *alt_buffer; + int n; + int min_height; + + size = (size_t)(width * height) * sizeof(sixel_color_no_t); + alt_buffer = (sixel_color_no_t *)malloc(size); + if (alt_buffer == NULL) { + /* free source image */ + free(image->data); + image->data = NULL; + status = (-1); + goto end; + } + + min_height = height > image->height ? image->height: height; + if (width > image->width) { /* if width is extended */ + for (n = 0; n < min_height; ++n) { + /* copy from source image */ + memcpy(alt_buffer + width * n, + image->data + image->width * n, + (size_t)image->width * sizeof(sixel_color_no_t)); + /* fill extended area with background color */ + memset(alt_buffer + width * n + image->width, + 0, + (size_t)(width - image->width) * sizeof(sixel_color_no_t)); + } + } else { + for (n = 0; n < min_height; ++n) { + /* copy from source image */ + memcpy(alt_buffer + width * n, + image->data + image->width * n, + (size_t)width * sizeof(sixel_color_no_t)); + } + } + + if (height > image->height) { /* if height is extended */ + /* fill extended area with background color */ + memset(alt_buffer + width * image->height, + 0, + (size_t)(width * (height - image->height)) * sizeof(sixel_color_no_t)); + } + + /* free source image */ + free(image->data); + + image->data = alt_buffer; + image->width = width; + image->height = height; + + status = (0); + +end: + return status; +} + +static void +sixel_image_deinit(sixel_image_t *image) +{ + if (image->data) + free(image->data); + image->data = NULL; +} + +int +sixel_parser_init(sixel_state_t *st, + int transparent, + sixel_color_t fgcolor, sixel_color_t bgcolor, + unsigned char use_private_register, + int cell_width, int cell_height) +{ + int status = (-1); + + st->state = PS_DECSIXEL; + st->pos_x = 0; + st->pos_y = 0; + st->max_x = 0; + st->max_y = 0; + st->attributed_pan = 2; + st->attributed_pad = 1; + st->attributed_ph = 0; + st->attributed_pv = 0; + st->transparent = transparent; + st->repeat_count = 1; + st->color_index = 16; + st->grid_width = cell_width; + st->grid_height = cell_height; + st->nparams = 0; + st->param = 0; + + /* buffer initialization */ + status = sixel_image_init(&st->image, 1, 1, fgcolor, transparent ? 0 : bgcolor, use_private_register); + + return status; +} + +int +sixel_parser_set_default_color(sixel_state_t *st) +{ + return set_default_color(&st->image); +} + +int +sixel_parser_finalize(sixel_state_t *st, ImageList **newimages, int cx, int cy, int cw, int ch) +{ + sixel_image_t *image = &st->image; + int x, y; + sixel_color_no_t *src; + sixel_color_t *dst; + int color; + int w, h; + int i, j, cols, numimages; + ImageList *im, *next, *tail; + + if (!image->data) + return -1; + + if (++st->max_x < st->attributed_ph) + st->max_x = st->attributed_ph; + + if (++st->max_y < st->attributed_pv) + st->max_y = st->attributed_pv; + + if (image->use_private_register && image->ncolors > 2 && !image->palette_modified) { + if (set_default_color(image) < 0) + return -1; + } + + w = MIN(st->max_x, image->width); + h = MIN(st->max_y, image->height); + + if ((numimages = (h + ch-1) / ch) <= 0) + return -1; + + cols = (w + cw-1) / cw; + + *newimages = NULL, tail = NULL; + for (y = 0, i = 0; i < numimages; i++) { + if ((im = malloc(sizeof(ImageList)))) { + if (!tail) { + *newimages = tail = im; + im->prev = im->next = NULL; + } else { + tail->next = im; + im->prev = tail; + im->next = NULL; + tail = im; + } + im->x = cx; + im->y = cy + i; + im->cols = cols; + im->width = w; + im->height = MIN(h - ch * i, ch); + im->pixels = malloc(im->width * im->height * 4); + im->pixmap = NULL; + im->clipmask = NULL; + im->cw = cw; + im->ch = ch; + im->transparent = st->transparent; + } + if (!im || !im->pixels) { + for (im = *newimages; im; im = next) { + next = im->next; + if (im->pixels) + free(im->pixels); + free(im); + } + *newimages = NULL; + return -1; + } + dst = (sixel_color_t *)im->pixels; + for (j = 0; j < im->height && y < h; j++, y++) { + src = st->image.data + image->width * y; + for (x = 0; x < w; x++) + *dst++ = st->image.palette[*src++]; + } + } + + return numimages; +} + +/* convert sixel data into indexed pixel bytes and palette data */ +int +sixel_parser_parse(sixel_state_t *st, const unsigned char *p, size_t len) +{ + int n = 0; + int i; + int x; + int y; + int bits; + int sx; + int sy; + int c; + int pos; + int width; + const unsigned char *p0 = p, *p2 = p + len; + sixel_image_t *image = &st->image; + sixel_color_no_t *data, color_index; + + if (!image->data) + st->state = PS_ERROR; + + while (p < p2) { + switch (st->state) { + case PS_ESC: + goto end; + + case PS_DECSIXEL: + switch (*p) { + case '\x1b': + st->state = PS_ESC; + break; + case '"': + st->param = 0; + st->nparams = 0; + st->state = PS_DECGRA; + p++; + break; + case '!': + st->param = 0; + st->nparams = 0; + st->state = PS_DECGRI; + p++; + break; + case '#': + st->param = 0; + st->nparams = 0; + st->state = PS_DECGCI; + p++; + break; + case '$': + /* DECGCR Graphics Carriage Return */ + st->pos_x = 0; + p++; + break; + case '-': + /* DECGNL Graphics Next Line */ + st->pos_x = 0; + if (st->pos_y < DECSIXEL_HEIGHT_MAX - 5 - 6) + st->pos_y += 6; + else + st->pos_y = DECSIXEL_HEIGHT_MAX + 1; + p++; + break; + default: + if (*p >= '?' && *p <= '~') { /* sixel characters */ + if ((image->width < (st->pos_x + st->repeat_count) || image->height < (st->pos_y + 6)) + && image->width < DECSIXEL_WIDTH_MAX && image->height < DECSIXEL_HEIGHT_MAX) { + sx = image->width * 2; + sy = image->height * 2; + while (sx < (st->pos_x + st->repeat_count) || sy < (st->pos_y + 6)) { + sx *= 2; + sy *= 2; + } + + sx = MIN(sx, DECSIXEL_WIDTH_MAX); + sy = MIN(sy, DECSIXEL_HEIGHT_MAX); + + if (image_buffer_resize(image, sx, sy) < 0) { + perror("sixel_parser_parse() failed"); + st->state = PS_ERROR; + p++; + break; + } + } + + if (st->color_index > image->ncolors) + image->ncolors = st->color_index; + + if (st->pos_x + st->repeat_count > image->width) + st->repeat_count = image->width - st->pos_x; + + if (st->repeat_count > 0 && st->pos_y + 5 < image->height) { + bits = *p - '?'; + if (bits != 0) { + data = image->data + image->width * st->pos_y + st->pos_x; + width = image->width; + color_index = st->color_index; + if (st->repeat_count <= 1) { + if (bits & 0x01) + *data = color_index, n = 0; + data += width; + if (bits & 0x02) + *data = color_index, n = 1; + data += width; + if (bits & 0x04) + *data = color_index, n = 2; + data += width; + if (bits & 0x08) + *data = color_index, n = 3; + data += width; + if (bits & 0x10) + *data = color_index, n = 4; + if (bits & 0x20) + data[width] = color_index, n = 5; + if (st->max_x < st->pos_x) + st->max_x = st->pos_x; + } else { + /* st->repeat_count > 1 */ + for (i = 0; bits; bits >>= 1, i++, data += width) { + if (bits & 1) { + data[0] = color_index; + data[1] = color_index; + for (x = 2; x < st->repeat_count; x++) + data[x] = color_index; + n = i; + } + } + if (st->max_x < (st->pos_x + st->repeat_count - 1)) + st->max_x = st->pos_x + st->repeat_count - 1; + } + if (st->max_y < (st->pos_y + n)) + st->max_y = st->pos_y + n; + } + } + if (st->repeat_count > 0) + st->pos_x += st->repeat_count; + st->repeat_count = 1; + } + p++; + break; + } + break; + + case PS_DECGRA: + /* DECGRA Set Raster Attributes " Pan; Pad; Ph; Pv */ + switch (*p) { + case '\x1b': + st->state = PS_ESC; + break; + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + st->param = st->param * 10 + *p - '0'; + st->param = MIN(st->param, DECSIXEL_PARAMVALUE_MAX); + p++; + break; + case ';': + if (st->nparams < DECSIXEL_PARAMS_MAX) + st->params[st->nparams++] = st->param; + st->param = 0; + p++; + break; + default: + if (st->nparams < DECSIXEL_PARAMS_MAX) + st->params[st->nparams++] = st->param; + if (st->nparams > 0) + st->attributed_pad = st->params[0]; + if (st->nparams > 1) + st->attributed_pan = st->params[1]; + if (st->nparams > 2 && st->params[2] > 0) + st->attributed_ph = st->params[2]; + if (st->nparams > 3 && st->params[3] > 0) + st->attributed_pv = st->params[3]; + + if (st->attributed_pan <= 0) + st->attributed_pan = 1; + if (st->attributed_pad <= 0) + st->attributed_pad = 1; + + if (image->width < st->attributed_ph || + image->height < st->attributed_pv) { + sx = MAX(image->width, st->attributed_ph); + sy = MAX(image->height, st->attributed_pv); + + /* the height of the image buffer must be divisible by 6 + * to avoid unnecessary resizing of the image buffer when + * parsing the last sixel line */ + sy = (sy + 5) / 6 * 6; + + sx = MIN(sx, DECSIXEL_WIDTH_MAX); + sy = MIN(sy, DECSIXEL_HEIGHT_MAX); + + if (image_buffer_resize(image, sx, sy) < 0) { + perror("sixel_parser_parse() failed"); + st->state = PS_ERROR; + break; + } + } + st->state = PS_DECSIXEL; + st->param = 0; + st->nparams = 0; + } + break; + + case PS_DECGRI: + /* DECGRI Graphics Repeat Introducer ! Pn Ch */ + switch (*p) { + case '\x1b': + st->state = PS_ESC; + break; + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + st->param = st->param * 10 + *p - '0'; + st->param = MIN(st->param, DECSIXEL_PARAMVALUE_MAX); + p++; + break; + default: + st->repeat_count = MAX(st->param, 1); + st->state = PS_DECSIXEL; + st->param = 0; + st->nparams = 0; + break; + } + break; + + case PS_DECGCI: + /* DECGCI Graphics Color Introducer # Pc; Pu; Px; Py; Pz */ + switch (*p) { + case '\x1b': + st->state = PS_ESC; + break; + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + st->param = st->param * 10 + *p - '0'; + st->param = MIN(st->param, DECSIXEL_PARAMVALUE_MAX); + p++; + break; + case ';': + if (st->nparams < DECSIXEL_PARAMS_MAX) + st->params[st->nparams++] = st->param; + st->param = 0; + p++; + break; + default: + st->state = PS_DECSIXEL; + if (st->nparams < DECSIXEL_PARAMS_MAX) + st->params[st->nparams++] = st->param; + st->param = 0; + + if (st->nparams > 0) { + st->color_index = 1 + st->params[0]; /* offset 1(background color) added */ + if (st->color_index < 0) + st->color_index = 0; + else if (st->color_index >= DECSIXEL_PALETTE_MAX) + st->color_index = DECSIXEL_PALETTE_MAX - 1; + } + + if (st->nparams > 4) { + st->image.palette_modified = 1; + if (st->params[1] == 1) { + /* HLS */ + st->params[2] = MIN(st->params[2], 360); + st->params[3] = MIN(st->params[3], 100); + st->params[4] = MIN(st->params[4], 100); + image->palette[st->color_index] + = hls_to_rgb(st->params[2], st->params[3], st->params[4]); + } else if (st->params[1] == 2) { + /* RGB */ + st->params[2] = MIN(st->params[2], 100); + st->params[3] = MIN(st->params[3], 100); + st->params[4] = MIN(st->params[4], 100); + image->palette[st->color_index] + = SIXEL_XRGB(st->params[2], st->params[3], st->params[4]); + } + } + break; + } + break; + + case PS_ERROR: + if (*p == '\x1b') { + st->state = PS_ESC; + goto end; + } + p++; + break; + default: + break; + } + } + +end: + return p - p0; +} + +void +sixel_parser_deinit(sixel_state_t *st) +{ + if (st) + sixel_image_deinit(&st->image); +} + +Pixmap +sixel_create_clipmask(char *pixels, int width, int height) +{ + char c, *clipdata, *dst; + int b, i, n, y, w; + int msb = (XBitmapBitOrder(xw.dpy) == MSBFirst); + sixel_color_t *src = (sixel_color_t *)pixels; + Pixmap clipmask; + + clipdata = dst = malloc((width+7)/8 * height); + if (!clipdata) + return (Pixmap)None; + + for (y = 0; y < height; y++) { + for (w = width; w > 0; w -= n) { + n = MIN(w, 8); + if (msb) { + for (b = 0x80, c = 0, i = 0; i < n; i++, b >>= 1) + c |= (*src++) ? b : 0; + } else { + for (b = 0x01, c = 0, i = 0; i < n; i++, b <<= 1) + c |= (*src++) ? b : 0; + } + *dst++ = c; + } + } + + clipmask = XCreateBitmapFromData(xw.dpy, xw.win, clipdata, width, height); + free(clipdata); + return clipmask; +} diff --git a/sixel.h b/sixel.h new file mode 100644 index 0000000..7d14f8a --- /dev/null +++ b/sixel.h @@ -0,0 +1,63 @@ +#ifndef SIXEL_H +#define SIXEL_H + +#define DECSIXEL_PARAMS_MAX 16 +#define DECSIXEL_PALETTE_MAX 1024 +#define DECSIXEL_PARAMVALUE_MAX 65535 +#define DECSIXEL_WIDTH_MAX 4096 +#define DECSIXEL_HEIGHT_MAX 4096 + +typedef unsigned short sixel_color_no_t; +typedef unsigned int sixel_color_t; + +typedef struct sixel_image_buffer { + sixel_color_no_t *data; + int width; + int height; + sixel_color_t palette[DECSIXEL_PALETTE_MAX]; + sixel_color_no_t ncolors; + int palette_modified; + int use_private_register; +} sixel_image_t; + +typedef enum parse_state { + PS_ESC = 1, /* ESC */ + PS_DECSIXEL = 2, /* DECSIXEL body part ", $, -, ? ... ~ */ + PS_DECGRA = 3, /* DECGRA Set Raster Attributes " Pan; Pad; Ph; Pv */ + PS_DECGRI = 4, /* DECGRI Graphics Repeat Introducer ! Pn Ch */ + PS_DECGCI = 5, /* DECGCI Graphics Color Introducer # Pc; Pu; Px; Py; Pz */ + PS_ERROR = 6, +} parse_state_t; + +typedef struct parser_context { + parse_state_t state; + int pos_x; + int pos_y; + int max_x; + int max_y; + int attributed_pan; + int attributed_pad; + int attributed_ph; + int attributed_pv; + int transparent; + int repeat_count; + int color_index; + int bgindex; + int grid_width; + int grid_height; + int param; + int nparams; + int params[DECSIXEL_PARAMS_MAX]; + sixel_image_t image; +} sixel_state_t; + +void scroll_images(int n); +void delete_image(ImageList *im); +int sixel_parser_init(sixel_state_t *st, int transparent, sixel_color_t fgcolor, sixel_color_t bgcolor, unsigned char use_private_register, int cell_width, int cell_height); +int sixel_parser_parse(sixel_state_t *st, const unsigned char *p, size_t len); +int sixel_parser_set_default_color(sixel_state_t *st); +int sixel_parser_finalize(sixel_state_t *st, ImageList **newimages, int cx, int cy, int cw, int ch); +void sixel_parser_deinit(sixel_state_t *st); +Pixmap sixel_create_clipmask(char *pixels, int width, int height); + +#endif diff --git a/sixel_hls.c b/sixel_hls.c new file mode 100644 index 0000000..c88241c --- /dev/null +++ b/sixel_hls.c @@ -0,0 +1,115 @@ +// sixel.c (part of mintty) +// this function is derived from a part of graphics.c +// in Xterm pl#310 originally written by Ross Combs. +// +// Copyright 2013,2014 by Ross Combs +// +// All Rights Reserved +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +// IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY +// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +// +// Except as contained in this notice, the name(s) of the above copyright +// holders shall not be used in advertising or otherwise to promote the +// sale, use or other dealings in this Software without prior written +// authorization. + +#define SIXEL_RGB(r, g, b) ((r) + ((g) << 8) + ((b) << 16) + (255 << 24)) + +int +hls_to_rgb(int hue, int lum, int sat) +{ + double hs = (hue + 240) % 360; + double hv = hs / 360.0; + double lv = lum / 100.0; + double sv = sat / 100.0; + double c, x, m, c2; + double r1, g1, b1; + int r, g, b; + int hpi; + + if (sat == 0) { + r = g = b = lum * 255 / 100; + return SIXEL_RGB(r, g, b); + } + + if ((c2 = ((2.0 * lv) - 1.0)) < 0.0) { + c2 = -c2; + } + c = (1.0 - c2) * sv; + hpi = (int) (hv * 6.0); + x = (hpi & 1) ? c : 0.0; + m = lv - 0.5 * c; + + switch (hpi) { + case 0: + r1 = c; + g1 = x; + b1 = 0.0; + break; + case 1: + r1 = x; + g1 = c; + b1 = 0.0; + break; + case 2: + r1 = 0.0; + g1 = c; + b1 = x; + break; + case 3: + r1 = 0.0; + g1 = x; + b1 = c; + break; + case 4: + r1 = x; + g1 = 0.0; + b1 = c; + break; + case 5: + r1 = c; + g1 = 0.0; + b1 = x; + break; + default: + return SIXEL_RGB(255, 255, 255); + } + + r = (int) ((r1 + m) * 100.0 + 0.5); + g = (int) ((g1 + m) * 100.0 + 0.5); + b = (int) ((b1 + m) * 100.0 + 0.5); + + if (r < 0) { + r = 0; + } else if (r > 100) { + r = 100; + } + if (g < 0) { + g = 0; + } else if (g > 100) { + g = 100; + } + if (b < 0) { + b = 0; + } else if (b > 100) { + b = 100; + } + return SIXEL_RGB(r * 255 / 100, g * 255 / 100, b * 255 / 100); +} diff --git a/sixel_hls.h b/sixel_hls.h new file mode 100644 index 0000000..6176589 --- /dev/null +++ b/sixel_hls.h @@ -0,0 +1,7 @@ +/* + * Primary color hues: + * blue: 0 degrees + * red: 120 degrees + * green: 240 degrees + */ +int hls_to_rgb(int hue, int lum, int sat); diff --git a/st.1 b/st.1 new file mode 100644 index 0000000..39120b4 --- /dev/null +++ b/st.1 @@ -0,0 +1,177 @@ +.TH ST 1 st\-VERSION +.SH NAME +st \- simple terminal +.SH SYNOPSIS +.B st +.RB [ \-aiv ] +.RB [ \-c +.IR class ] +.RB [ \-f +.IR font ] +.RB [ \-g +.IR geometry ] +.RB [ \-n +.IR name ] +.RB [ \-o +.IR iofile ] +.RB [ \-T +.IR title ] +.RB [ \-t +.IR title ] +.RB [ \-l +.IR line ] +.RB [ \-w +.IR windowid ] +.RB [[ \-e ] +.IR command +.RI [ arguments ...]] +.PP +.B st +.RB [ \-aiv ] +.RB [ \-c +.IR class ] +.RB [ \-f +.IR font ] +.RB [ \-g +.IR geometry ] +.RB [ \-n +.IR name ] +.RB [ \-o +.IR iofile ] +.RB [ \-T +.IR title ] +.RB [ \-t +.IR title ] +.RB [ \-w +.IR windowid ] +.RB \-l +.IR line +.RI [ stty_args ...] +.SH DESCRIPTION +.B st +is a simple terminal emulator. +.SH OPTIONS +.TP +.B \-a +disable alternate screens in terminal +.TP +.BI \-c " class" +defines the window class (default $TERM). +.TP +.BI \-f " font" +defines the +.I font +to use when st is run. +.TP +.BI \-g " geometry" +defines the X11 geometry string. +The form is [=][{xX}][{+-}{+-}]. See +.BR XParseGeometry (3) +for further details. +.TP +.B \-i +will fixate the position given with the -g option. +.TP +.BI \-n " name" +defines the window instance name (default $TERM). +.TP +.BI \-o " iofile" +writes all the I/O to +.I iofile. +This feature is useful when recording st sessions. A value of "-" means +standard output. +.TP +.BI \-T " title" +defines the window title (default 'st'). +.TP +.BI \-t " title" +defines the window title (default 'st'). +.TP +.BI \-w " windowid" +embeds st within the window identified by +.I windowid +.TP +.BI \-l " line" +use a tty +.I line +instead of a pseudo terminal. +.I line +should be a (pseudo-)serial device (e.g. /dev/ttyS0 on Linux for serial port +0). +When this flag is given +remaining arguments are used as flags for +.BR stty(1). +By default st initializes the serial line to 8 bits, no parity, 1 stop bit +and a 38400 baud rate. The speed is set by appending it as last argument +(e.g. 'st -l /dev/ttyS0 115200'). Arguments before the last one are +.BR stty(1) +flags. If you want to set odd parity on 115200 baud use for example 'st -l +/dev/ttyS0 parenb parodd 115200'. Set the number of bits by using for +example 'st -l /dev/ttyS0 cs7 115200'. See +.BR stty(1) +for more arguments and cases. +.TP +.B \-v +prints version information to stderr, then exits. +.TP +.BI \-e " command " [ " arguments " "... ]" +st executes +.I command +instead of the shell. If this is used it +.B must be the last option +on the command line, as in xterm / rxvt. +This option is only intended for compatibility, +and all the remaining arguments are used as a command +even without it. +.SH SHORTCUTS +.TP +.B Break +Send a break in the serial line. +Break key is obtained in PC keyboards +pressing at the same time control and pause. +.TP +.B Ctrl-Print Screen +Toggle if st should print to the +.I iofile. +.TP +.B Shift-Print Screen +Print the full screen to the +.I iofile. +.TP +.B Print Screen +Print the selection to the +.I iofile. +.TP +.B Ctrl-Shift-Page Up +Increase font size. +.TP +.B Ctrl-Shift-Page Down +Decrease font size. +.TP +.B Ctrl-Shift-Home +Reset to default font size. +.TP +.B Ctrl-Shift-y +Paste from primary selection (middle mouse button). +.TP +.B Ctrl-Shift-c +Copy the selected text to the clipboard selection. +.TP +.B Ctrl-Shift-v +Paste from the clipboard selection. +.SH CUSTOMIZATION +.B st +can be customized by creating a custom config.h and (re)compiling the source +code. This keeps it fast, secure and simple. +.SH AUTHORS +See the LICENSE file for the authors. +.SH LICENSE +See the LICENSE file for the terms of redistribution. +.SH SEE ALSO +.BR tabbed (1), +.BR utmp (1), +.BR stty (1), +.BR scroll (1) +.SH BUGS +See the TODO file in the distribution. + diff --git a/st.c b/st.c new file mode 100644 index 0000000..6461daf --- /dev/null +++ b/st.c @@ -0,0 +1,2630 @@ +/* See LICENSE for license details. */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "st.h" +#include "win.h" + +#include +#include + +#include "sixel.h" + +#if defined(__linux) + #include +#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) + #include +#elif defined(__FreeBSD__) || defined(__DragonFly__) + #include +#endif + +/* Arbitrary sizes */ +#define UTF_INVALID 0xFFFD +#define UTF_SIZ 4 +#define ESC_BUF_SIZ (128*UTF_SIZ) +#define ESC_ARG_SIZ 16 +#define CAR_PER_ARG 4 +#define STR_BUF_SIZ ESC_BUF_SIZ +#define STR_ARG_SIZ ESC_ARG_SIZ +#define STR_TERM_ST "\033\\" +#define STR_TERM_BEL "\007" + +/* macros */ +#define IS_SET(flag) ((term.mode & (flag)) != 0) +#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == 0x7f) +#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f)) +#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c)) +#define ISDELIM(u) (u && wcschr(worddelimiters, u)) + +enum term_mode { + MODE_WRAP = 1 << 0, + MODE_INSERT = 1 << 1, + MODE_ALTSCREEN = 1 << 2, + MODE_CRLF = 1 << 3, + MODE_ECHO = 1 << 4, + MODE_PRINT = 1 << 5, + MODE_UTF8 = 1 << 6, + MODE_SIXEL = 1 << 7, + MODE_SIXEL_CUR_RT = 1 << 8, + MODE_SIXEL_SDM = 1 << 9 +}; + +enum scroll_mode { + SCROLL_RESIZE = -1, + SCROLL_NOSAVEHIST = 0, + SCROLL_SAVEHIST = 1 +}; + +enum cursor_movement { + CURSOR_SAVE, + CURSOR_LOAD +}; + +enum cursor_state { + CURSOR_DEFAULT = 0, + CURSOR_WRAPNEXT = 1, + CURSOR_ORIGIN = 2 +}; + +enum charset { + CS_GRAPHIC0, + CS_GRAPHIC1, + CS_UK, + CS_USA, + CS_MULTI, + CS_GER, + CS_FIN +}; + +enum escape_state { + ESC_START = 1, + ESC_CSI = 2, + ESC_STR = 4, /* DCS, OSC, PM, APC */ + ESC_ALTCHARSET = 8, + ESC_STR_END = 16, /* a final string was encountered */ + ESC_TEST = 32, /* Enter in test mode */ + ESC_UTF8 = 64, + ESC_DCS =128, +}; + +typedef struct { + int mode; + int type; + int snap; + /* + * Selection variables: + * nb – normalized coordinates of the beginning of the selection + * ne – normalized coordinates of the end of the selection + * ob – original coordinates of the beginning of the selection + * oe – original coordinates of the end of the selection + */ + struct { + int x, y; + } nb, ne, ob, oe; + + int alt; +} Selection; + +/* CSI Escape sequence structs */ +/* ESC '[' [[ [] [;]] []] */ +typedef struct { + char buf[ESC_BUF_SIZ]; /* raw string */ + size_t len; /* raw string length */ + char priv; + int arg[ESC_ARG_SIZ]; + int narg; /* nb of args */ + char mode[2]; + int carg[ESC_ARG_SIZ][CAR_PER_ARG]; /* colon args */ +} CSIEscape; + +/* STR Escape sequence structs */ +/* ESC type [[ [] [;]] ] ESC '\' */ +typedef struct { + char type; /* ESC type ... */ + char *buf; /* allocated raw string */ + size_t siz; /* allocation size */ + size_t len; /* raw string length */ + char *args[STR_ARG_SIZ]; + int narg; /* nb of args */ + char *term; /* terminator: ST or BEL */ +} STREscape; + +static void execsh(char *, char **); +static void stty(char **); +static void sigchld(int); +static void ttywriteraw(const char *, size_t); + +static void csidump(void); +static void csihandle(void); +static void dcshandle(void); +static void readcolonargs(char **, int, int[][CAR_PER_ARG]); +static void csiparse(void); +static void csireset(void); +static void osc_color_response(int, int, int); +static int eschandle(uchar); +static void strdump(void); +static void strhandle(void); +static void strparse(void); +static void strreset(void); + +static void tprinter(char *, size_t); +static void tdumpsel(void); +static void tdumpline(int); +static void tdump(void); +static void tcursor(int); +static void tresetcursor(void); +static void tdeleteimages(void); +static void tdeleteline(int); +static void tinsertblank(int); +static void tinsertblankline(int); +static void tmoveto(int, int); +static void tmoveato(int, int); +static void tnewline(int); +static void tputtab(int); +static void tputc(Rune); +static void treset(void); +static void tscrolldown(int, int); +static void tsetattr(const int *, int); +static void tsetchar(Rune, const Glyph *, int, int); +static void tsetdirt(int, int); +static void tsetscroll(int, int); +static void tswapscreen(void); +static void tsetmode(int, int, const int *, int); +static int twrite(const char *, int, int); +static void tcontrolcode(uchar ); +static void tdectest(char ); +static void tdefutf8(char); +static int32_t tdefcolor(const int *, int *, int); +static void tdeftran(char); +static void tstrsequence(uchar); +static void selnormalize(void); +static void selsnap(int *, int *, int); + +static size_t utf8decode(const char *, Rune *, size_t); +static inline Rune utf8decodebyte(char, size_t *); +static inline char utf8encodebyte(Rune, size_t); +static inline size_t utf8validate(Rune *, size_t); + +static char *base64dec(const char *); +static char base64dec_getc(const char **); + +static ssize_t xwrite(int, const char *, size_t); + +/* Globals */ +static Selection sel; +static CSIEscape csiescseq; +static STREscape strescseq; +static int iofd = 1; +static int cmdfd; +static pid_t pid; +sixel_state_t sixel_st; + +static const uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0}; +static const uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8}; +static const Rune utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000}; +static const Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF}; + +#include "patch/st_include.h" + +ssize_t +xwrite(int fd, const char *s, size_t len) +{ + size_t aux = len; + ssize_t r; + + while (len > 0) { + r = write(fd, s, len); + if (r < 0) + return r; + len -= r; + s += r; + } + + return aux; +} + +void * +xmalloc(size_t len) +{ + void *p; + + if (!(p = malloc(len))) + die("malloc: %s\n", strerror(errno)); + + return p; +} + +void * +xrealloc(void *p, size_t len) +{ + if ((p = realloc(p, len)) == NULL) + die("realloc: %s\n", strerror(errno)); + + return p; +} + +char * +xstrdup(const char *s) +{ + char *p; + if ((p = strdup(s)) == NULL) + die("strdup: %s\n", strerror(errno)); + + return p; +} + +size_t +utf8decode(const char *c, Rune *u, size_t clen) +{ + size_t i, len; + Rune udecoded; + + *u = UTF_INVALID; + if (!clen) + return 0; + udecoded = utf8decodebyte(c[0], &len); + if (!BETWEEN(len, 2, UTF_SIZ)) { + *u = (len == 1) ? udecoded : UTF_INVALID; + return 1; + } + clen = MIN(clen, len); + for (i = 1; i < clen; ++i) { + if ((c[i] & 0xC0) != 0x80) + return i; + udecoded = (udecoded << 6) | (c[i] & 0x3F); + } + if (i < len) + return 0; + *u = (!BETWEEN(udecoded, utfmin[len], utfmax[len]) || BETWEEN(udecoded, 0xD800, 0xDFFF)) + ? UTF_INVALID : udecoded; + + return len; +} + +Rune +utf8decodebyte(char c, size_t *i) +{ + for (*i = 0; *i < LEN(utfmask); ++(*i)) + if (((uchar)c & utfmask[*i]) == utfbyte[*i]) + return (uchar)c & ~utfmask[*i]; + + return 0; +} + +size_t +utf8encode(Rune u, char *c) +{ + size_t len, i; + + len = utf8validate(&u, 0); + if (len > UTF_SIZ) + return 0; + + for (i = len - 1; i != 0; --i) { + c[i] = utf8encodebyte(u, 0); + u >>= 6; + } + c[0] = utf8encodebyte(u, len); + + return len; +} + +char +utf8encodebyte(Rune u, size_t i) +{ + return utfbyte[i] | (u & ~utfmask[i]); +} + +size_t +utf8validate(Rune *u, size_t i) +{ + if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF)) + *u = UTF_INVALID; + for (i = 1; *u > utfmax[i]; ++i) + ; + + return i; +} + +char +base64dec_getc(const char **src) +{ + while (**src && !isprint((unsigned char)**src)) + (*src)++; + return **src ? *((*src)++) : '='; /* emulate padding if string ends */ +} + +char * +base64dec(const char *src) +{ + size_t in_len = strlen(src); + char *result, *dst; + static const char base64_digits[256] = { + [43] = 62, 0, 0, 0, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, + 0, 0, 0, -1, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, + 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, + 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51 + }; + + if (in_len % 4) + in_len += 4 - (in_len % 4); + result = dst = xmalloc(in_len / 4 * 3 + 1); + while (*src) { + int a = base64_digits[(unsigned char) base64dec_getc(&src)]; + int b = base64_digits[(unsigned char) base64dec_getc(&src)]; + int c = base64_digits[(unsigned char) base64dec_getc(&src)]; + int d = base64_digits[(unsigned char) base64dec_getc(&src)]; + + /* invalid input. 'a' can be -1, e.g. if src is "\n" (c-str) */ + if (a == -1 || b == -1) + break; + + *dst++ = (a << 2) | ((b & 0x30) >> 4); + if (c == -1) + break; + *dst++ = ((b & 0x0f) << 4) | ((c & 0x3c) >> 2); + if (d == -1) + break; + *dst++ = ((c & 0x03) << 6) | d; + } + *dst = '\0'; + return result; +} + +void +selinit(void) +{ + sel.mode = SEL_IDLE; + sel.snap = 0; + sel.ob.x = -1; +} + +void +selstart(int col, int row, int snap) +{ + selclear(); + sel.mode = SEL_EMPTY; + sel.type = SEL_REGULAR; + sel.alt = IS_SET(MODE_ALTSCREEN); + sel.snap = snap; + sel.oe.x = sel.ob.x = col; + sel.oe.y = sel.ob.y = row; + selnormalize(); + + if (sel.snap != 0) + sel.mode = SEL_READY; + tsetdirt(sel.nb.y, sel.ne.y); +} + +void +selextend(int col, int row, int type, int done) +{ + int oldey, oldex, oldsby, oldsey, oldtype; + + if (sel.mode == SEL_IDLE) + return; + if (done && sel.mode == SEL_EMPTY) { + selclear(); + return; + } + + oldey = sel.oe.y; + oldex = sel.oe.x; + oldsby = sel.nb.y; + oldsey = sel.ne.y; + oldtype = sel.type; + + sel.oe.x = col; + sel.oe.y = row; + sel.type = type; + selnormalize(); + + if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type || sel.mode == SEL_EMPTY) + tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey)); + + sel.mode = done ? SEL_IDLE : SEL_READY; +} + +void +selnormalize(void) +{ + int i; + + if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) { + sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x; + sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x; + } else { + sel.nb.x = MIN(sel.ob.x, sel.oe.x); + sel.ne.x = MAX(sel.ob.x, sel.oe.x); + } + sel.nb.y = MIN(sel.ob.y, sel.oe.y); + sel.ne.y = MAX(sel.ob.y, sel.oe.y); + + selsnap(&sel.nb.x, &sel.nb.y, -1); + selsnap(&sel.ne.x, &sel.ne.y, +1); + + /* expand selection over line breaks */ + if (sel.type == SEL_RECTANGULAR) + return; + + i = tlinelen(TLINE(sel.nb.y)); + if (sel.nb.x > i) + sel.nb.x = i; + if (sel.ne.x >= tlinelen(TLINE(sel.ne.y))) + sel.ne.x = term.col - 1; +} + +void +selclear(void) +{ + if (sel.ob.x == -1) + return; + selremove(); + tsetdirt(sel.nb.y, sel.ne.y); +} + +void +selremove(void) +{ + sel.mode = SEL_IDLE; + sel.ob.x = -1; +} + +void +die(const char *errstr, ...) +{ + va_list ap; + + va_start(ap, errstr); + vfprintf(stderr, errstr, ap); + va_end(ap); + exit(1); +} + +void +execsh(char *cmd, char **args) +{ + char *sh, *prog, *arg; + const struct passwd *pw; + + errno = 0; + if ((pw = getpwuid(getuid())) == NULL) { + if (errno) + die("getpwuid: %s\n", strerror(errno)); + else + die("who are you?\n"); + } + + if ((sh = getenv("SHELL")) == NULL) + sh = (pw->pw_shell[0]) ? pw->pw_shell : cmd; + + if (args) { + prog = args[0]; + arg = NULL; + } else if (scroll) { + prog = scroll; + arg = utmp ? utmp : sh; + } else if (utmp) { + prog = utmp; + arg = NULL; + } else { + prog = sh; + arg = NULL; + } + DEFAULT(args, ((char *[]) {prog, arg, NULL})); + + unsetenv("COLUMNS"); + unsetenv("LINES"); + unsetenv("TERMCAP"); + setenv("LOGNAME", pw->pw_name, 1); + setenv("USER", pw->pw_name, 1); + setenv("SHELL", sh, 1); + setenv("HOME", pw->pw_dir, 1); + setenv("TERM", termname, 1); + setenv("COLORTERM", "truecolor", 1); + + signal(SIGCHLD, SIG_DFL); + signal(SIGHUP, SIG_DFL); + signal(SIGINT, SIG_DFL); + signal(SIGQUIT, SIG_DFL); + signal(SIGTERM, SIG_DFL); + signal(SIGALRM, SIG_DFL); + + execvp(prog, args); + _exit(1); +} + +void +sigchld(int a) +{ + int stat; + pid_t p; + + if ((p = waitpid(pid, &stat, WNOHANG)) < 0) + die("waiting for pid %hd failed: %s\n", pid, strerror(errno)); + + if (pid != p) + return; + + if (WIFEXITED(stat) && WEXITSTATUS(stat)) + die("child exited with status %d\n", WEXITSTATUS(stat)); + else if (WIFSIGNALED(stat)) + die("child terminated due to signal %d\n", WTERMSIG(stat)); + _exit(0); +} + +void +stty(char **args) +{ + char cmd[_POSIX_ARG_MAX], **p, *q, *s; + size_t n, siz; + + if ((n = strlen(stty_args)) > sizeof(cmd)-1) + die("incorrect stty parameters\n"); + memcpy(cmd, stty_args, n); + q = cmd + n; + siz = sizeof(cmd) - n; + for (p = args; p && (s = *p); ++p) { + if ((n = strlen(s)) > siz-1) + die("stty parameter length too long\n"); + *q++ = ' '; + memcpy(q, s, n); + q += n; + siz -= n + 1; + } + *q = '\0'; + if (system(cmd) != 0) + perror("Couldn't call stty"); +} + +int +ttynew(const char *line, char *cmd, const char *out, char **args) +{ + int m, s; + + if (out) { + term.mode |= MODE_PRINT; + iofd = (!strcmp(out, "-")) ? + 1 : open(out, O_WRONLY | O_CREAT, 0666); + if (iofd < 0) { + fprintf(stderr, "Error opening %s:%s\n", + out, strerror(errno)); + } + } + + if (line) { + if ((cmdfd = open(line, O_RDWR)) < 0) + die("open line '%s' failed: %s\n", + line, strerror(errno)); + dup2(cmdfd, 0); + stty(args); + return cmdfd; + } + + /* seems to work fine on linux, openbsd and freebsd */ + if (openpty(&m, &s, NULL, NULL, NULL) < 0) + die("openpty failed: %s\n", strerror(errno)); + + switch (pid = fork()) { + case -1: + die("fork failed: %s\n", strerror(errno)); + break; + case 0: + close(iofd); + close(m); + setsid(); /* create a new process group */ + dup2(s, 0); + dup2(s, 1); + dup2(s, 2); + if (ioctl(s, TIOCSCTTY, NULL) < 0) + die("ioctl TIOCSCTTY failed: %s\n", strerror(errno)); + if (s > 2) + close(s); +#ifdef __OpenBSD__ + if (pledge("stdio getpw proc exec", NULL) == -1) + die("pledge\n"); +#endif + execsh(cmd, args); + break; + default: +#ifdef __OpenBSD__ + if (pledge("stdio rpath tty proc", NULL) == -1) + die("pledge\n"); +#endif + close(s); + cmdfd = m; + signal(SIGCHLD, sigchld); + break; + } + return cmdfd; +} + +size_t +ttyread(void) +{ + static char buf[BUFSIZ]; + static int buflen = 0; + int ret, written; + + /* append read bytes to unprocessed bytes */ + ret = twrite_aborted ? 1 : read(cmdfd, buf+buflen, LEN(buf)-buflen); + + switch (ret) { + case 0: + exit(0); + case -1: + die("couldn't read from shell: %s\n", strerror(errno)); + default: + buflen += twrite_aborted ? 0 : ret; + written = twrite(buf, buflen, 0); + buflen -= written; + /* keep any incomplete UTF-8 byte sequence for the next call */ + if (buflen > 0) + memmove(buf, buf + written, buflen); + return ret; + } +} + +void +ttywrite(const char *s, size_t n, int may_echo) +{ + const char *next; + kscrolldown(&((Arg){ .i = term.scr })); + + if (may_echo && IS_SET(MODE_ECHO)) + twrite(s, n, 1); + + if (!IS_SET(MODE_CRLF)) { + ttywriteraw(s, n); + return; + } + + /* This is similar to how the kernel handles ONLCR for ttys */ + while (n > 0) { + if (*s == '\r') { + next = s + 1; + ttywriteraw("\r\n", 2); + } else { + next = memchr(s, '\r', n); + DEFAULT(next, s + n); + ttywriteraw(s, next - s); + } + n -= next - s; + s = next; + } +} + +void +ttywriteraw(const char *s, size_t n) +{ + fd_set wfd, rfd; + ssize_t r; + size_t lim = 256; + + /* + * Remember that we are using a pty, which might be a modem line. + * Writing too much will clog the line. That's why we are doing this + * dance. + * FIXME: Migrate the world to Plan 9. + */ + while (n > 0) { + FD_ZERO(&wfd); + FD_ZERO(&rfd); + FD_SET(cmdfd, &wfd); + FD_SET(cmdfd, &rfd); + + /* Check if we can write. */ + if (pselect(cmdfd+1, &rfd, &wfd, NULL, NULL, NULL) < 0) { + if (errno == EINTR) + continue; + die("select failed: %s\n", strerror(errno)); + } + if (FD_ISSET(cmdfd, &wfd)) { + /* + * Only write the bytes written by ttywrite() or the + * default of 256. This seems to be a reasonable value + * for a serial line. Bigger values might clog the I/O. + */ + if ((r = write(cmdfd, s, (n < lim)? n : lim)) < 0) + goto write_error; + if (r < n) { + /* + * We weren't able to write out everything. + * This means the buffer is getting full + * again. Empty it. + */ + if (n < lim) + lim = ttyread(); + n -= r; + s += r; + } else { + /* All bytes have been written. */ + break; + } + } + if (FD_ISSET(cmdfd, &rfd)) + lim = ttyread(); + } + return; + +write_error: + die("write error on tty: %s\n", strerror(errno)); +} + +void +ttyresize(int tw, int th) +{ + struct winsize w; + + w.ws_row = term.row; + w.ws_col = term.col; + w.ws_xpixel = tw; + w.ws_ypixel = th; + if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0) + fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno)); +} + +void +ttyhangup(void) +{ + /* Send SIGHUP to shell */ + kill(pid, SIGHUP); +} + +int +tattrset(int attr) +{ + int i, j; + + for (i = 0; i < term.row-1; i++) { + for (j = 0; j < term.col-1; j++) { + if (term.line[i][j].mode & attr) + return 1; + } + } + + return 0; +} + +int +tisaltscr(void) +{ + return IS_SET(MODE_ALTSCREEN); +} + +void +tsetdirt(int top, int bot) +{ + int i; + + LIMIT(top, 0, term.row-1); + LIMIT(bot, 0, term.row-1); + + for (i = top; i <= bot; i++) + term.dirty[i] = 1; +} + +void +tsetdirtattr(int attr) +{ + int i, j; + + for (i = 0; i < term.row-1; i++) { + for (j = 0; j < term.col-1; j++) { + if (term.line[i][j].mode & attr) { + term.dirty[i] = 1; + break; + } + } + } +} + +void +tfulldirt(void) +{ + tsync_end(); + for (int i = 0; i < term.row; i++) + term.dirty[i] = 1; +} + +void +tcursor(int mode) +{ + static TCursor c[2]; + int alt = IS_SET(MODE_ALTSCREEN); + + if (mode == CURSOR_SAVE) { + c[alt] = term.c; + } else if (mode == CURSOR_LOAD) { + term.c = c[alt]; + tmoveto(c[alt].x, c[alt].y); + } +} + +void +tresetcursor(void) +{ + term.c = (TCursor){ { .mode = ATTR_NULL, .fg = defaultfg, .bg = defaultbg }, + .x = 0, .y = 0, .state = CURSOR_DEFAULT }; +} + +void +treset(void) +{ + uint i; + int x, y; + + tresetcursor(); + + memset(term.tabs, 0, term.col * sizeof(*term.tabs)); + for (i = tabspaces; i < term.col; i += tabspaces) + term.tabs[i] = 1; + term.top = 0; + term.bot = term.row - 1; + term.mode = MODE_WRAP|MODE_UTF8; + memset(term.trantbl, CS_USA, sizeof(term.trantbl)); + term.charset = 0; + term.histf = 0; + term.histi = 0; + term.scr = 0; + selremove(); + + for (i = 0; i < 2; i++) { + tcursor(CURSOR_SAVE); /* reset saved cursor */ + for (y = 0; y < term.row; y++) + for (x = 0; x < term.col; x++) + tclearglyph(&term.line[y][x], 0); + tdeleteimages(); + tswapscreen(); + } + tfulldirt(); +} + +void +tnewline(int first_col) +{ + int y = term.c.y; + + if (y == term.bot) { + tscrollup(term.top, term.bot, 1, SCROLL_SAVEHIST); + } else { + y++; + } + tmoveto(first_col ? 0 : term.c.x, y); +} + +void +readcolonargs(char **p, int cursor, int params[][CAR_PER_ARG]) +{ + int i = 0; + for (; i < CAR_PER_ARG; i++) + params[cursor][i] = -1; + + if (**p != ':') + return; + + char *np = NULL; + i = 0; + + while (**p == ':' && i < CAR_PER_ARG) { + while (**p == ':') + (*p)++; + params[cursor][i] = strtol(*p, &np, 10); + *p = np; + i++; + } +} + +void +csiparse(void) +{ + char *p = csiescseq.buf, *np; + long int v; + int sep = ';'; /* colon or semi-colon, but not both */ + + csiescseq.narg = 0; + if (*p == '?') { + csiescseq.priv = 1; + p++; + } + + csiescseq.buf[csiescseq.len] = '\0'; + while (p < csiescseq.buf+csiescseq.len) { + np = NULL; + v = strtol(p, &np, 10); + if (np == p) + v = 0; + if (v == LONG_MAX || v == LONG_MIN) + v = -1; + csiescseq.arg[csiescseq.narg++] = v; + p = np; + readcolonargs(&p, csiescseq.narg-1, csiescseq.carg); + if (sep == ';' && *p == ':') + sep = ':'; /* allow override to colon once */ + if (*p != sep || csiescseq.narg == ESC_ARG_SIZ) + break; + p++; + } + csiescseq.mode[0] = *p++; + csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0'; +} + +/* for absolute user moves, when decom is set */ +void +tmoveato(int x, int y) +{ + tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0)); +} + +void +tmoveto(int x, int y) +{ + int miny, maxy; + + if (term.c.state & CURSOR_ORIGIN) { + miny = term.top; + maxy = term.bot; + } else { + miny = 0; + maxy = term.row - 1; + } + term.c.state &= ~CURSOR_WRAPNEXT; + term.c.x = LIMIT(x, 0, term.col-1); + term.c.y = LIMIT(y, miny, maxy); +} + +void +tsetchar(Rune u, const Glyph *attr, int x, int y) +{ + static const char *vt100_0[62] = { /* 0x41 - 0x7e */ + "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */ + 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */ + 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */ + 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */ + "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */ + "␤", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */ + "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */ + "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */ + }; + + /* + * The table is proudly stolen from rxvt. + */ + if (term.trantbl[term.charset] == CS_GRAPHIC0 && + BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41]) + utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ); + + if (term.line[y][x].mode & ATTR_WIDE) { + if (x+1 < term.col) { + term.line[y][x+1].u = ' '; + term.line[y][x+1].mode &= ~ATTR_WDUMMY; + } + } else if (term.line[y][x].mode & ATTR_WDUMMY) { + term.line[y][x-1].u = ' '; + term.line[y][x-1].mode &= ~ATTR_WIDE; + } + + term.dirty[y] = 1; + term.line[y][x] = *attr; + term.line[y][x].u = u; + term.line[y][x].mode |= ATTR_SET; + + if (isboxdraw(u)) + term.line[y][x].mode |= ATTR_BOXDRAW; +} + +void +tinsertblankline(int n) +{ + if (BETWEEN(term.c.y, term.top, term.bot)) + tscrolldown(term.c.y, n); +} + +void +tdeleteimages(void) +{ + ImageList *im, *next; + + for (im = term.images; im; im = next) { + next = im->next; + delete_image(im); + } +} + +void +tdeleteline(int n) +{ + if (BETWEEN(term.c.y, term.top, term.bot)) { + tscrollup(term.c.y, term.bot, n, SCROLL_NOSAVEHIST); + } +} + +int32_t +tdefcolor(const int *attr, int *npar, int l) +{ + int32_t idx = -1; + uint r, g, b; + + switch (attr[*npar + 1]) { + case 2: /* direct color in RGB space */ + if (*npar + 4 >= l) { + fprintf(stderr, + "erresc(38): Incorrect number of parameters (%d)\n", + *npar); + break; + } + r = attr[*npar + 2]; + g = attr[*npar + 3]; + b = attr[*npar + 4]; + *npar += 4; + if (!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255)) + fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n", + r, g, b); + else + idx = TRUECOLOR(r, g, b); + break; + case 5: /* indexed color */ + if (*npar + 2 >= l) { + fprintf(stderr, + "erresc(38): Incorrect number of parameters (%d)\n", + *npar); + break; + } + *npar += 2; + if (!BETWEEN(attr[*npar], 0, 255)) + fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]); + else + idx = attr[*npar]; + break; + case 0: /* implemented defined (only foreground) */ + case 1: /* transparent */ + case 3: /* direct color in CMY space */ + case 4: /* direct color in CMYK space */ + default: + fprintf(stderr, + "erresc(38): gfx attr %d unknown\n", attr[*npar]); + break; + } + + return idx; +} + +void +tsetattr(const int *attr, int l) +{ + int i; + int32_t idx; + + for (i = 0; i < l; i++) { + switch (attr[i]) { + case 0: + term.c.attr.mode &= ~( + ATTR_BOLD | + ATTR_FAINT | + ATTR_ITALIC | + ATTR_UNDERLINE | + ATTR_BLINK | + ATTR_REVERSE | + ATTR_INVISIBLE | + ATTR_STRUCK ); + term.c.attr.fg = defaultfg; + term.c.attr.bg = defaultbg; + term.c.attr.ustyle = -1; + term.c.attr.ucolor[0] = -1; + term.c.attr.ucolor[1] = -1; + term.c.attr.ucolor[2] = -1; + break; + case 1: + term.c.attr.mode |= ATTR_BOLD; + break; + case 2: + term.c.attr.mode |= ATTR_FAINT; + break; + case 3: + term.c.attr.mode |= ATTR_ITALIC; + break; + case 4: + term.c.attr.ustyle = csiescseq.carg[i][0]; + + if (term.c.attr.ustyle != 0) + term.c.attr.mode |= ATTR_UNDERLINE; + else + term.c.attr.mode &= ~ATTR_UNDERLINE; + + term.c.attr.mode ^= ATTR_DIRTYUNDERLINE; + break; + case 5: /* slow blink */ + /* FALLTHROUGH */ + case 6: /* rapid blink */ + term.c.attr.mode |= ATTR_BLINK; + break; + case 7: + term.c.attr.mode |= ATTR_REVERSE; + break; + case 8: + term.c.attr.mode |= ATTR_INVISIBLE; + break; + case 9: + term.c.attr.mode |= ATTR_STRUCK; + break; + case 22: + term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT); + break; + case 23: + term.c.attr.mode &= ~ATTR_ITALIC; + break; + case 24: + term.c.attr.mode &= ~ATTR_UNDERLINE; + break; + case 25: + term.c.attr.mode &= ~ATTR_BLINK; + break; + case 27: + term.c.attr.mode &= ~ATTR_REVERSE; + break; + case 28: + term.c.attr.mode &= ~ATTR_INVISIBLE; + break; + case 29: + term.c.attr.mode &= ~ATTR_STRUCK; + break; + case 38: + if ((idx = tdefcolor(attr, &i, l)) >= 0) + term.c.attr.fg = idx; + break; + case 39: + term.c.attr.fg = defaultfg; + break; + case 48: + if ((idx = tdefcolor(attr, &i, l)) >= 0) + term.c.attr.bg = idx; + break; + case 49: + term.c.attr.bg = defaultbg; + break; + case 58: + term.c.attr.ucolor[0] = csiescseq.carg[i][1]; + term.c.attr.ucolor[1] = csiescseq.carg[i][2]; + term.c.attr.ucolor[2] = csiescseq.carg[i][3]; + term.c.attr.mode ^= ATTR_DIRTYUNDERLINE; + break; + case 59: + term.c.attr.ucolor[0] = -1; + term.c.attr.ucolor[1] = -1; + term.c.attr.ucolor[2] = -1; + term.c.attr.mode ^= ATTR_DIRTYUNDERLINE; + break; + default: + if (BETWEEN(attr[i], 30, 37)) { + term.c.attr.fg = attr[i] - 30; + } else if (BETWEEN(attr[i], 40, 47)) { + term.c.attr.bg = attr[i] - 40; + } else if (BETWEEN(attr[i], 90, 97)) { + term.c.attr.fg = attr[i] - 90 + 8; + } else if (BETWEEN(attr[i], 100, 107)) { + term.c.attr.bg = attr[i] - 100 + 8; + } else { + fprintf(stderr, + "erresc(default): gfx attr %d unknown\n", + attr[i]); + csidump(); + } + break; + } + } +} + +void +tsetscroll(int t, int b) +{ + int temp; + + LIMIT(t, 0, term.row-1); + LIMIT(b, 0, term.row-1); + if (t > b) { + temp = t; + t = b; + b = temp; + } + term.top = t; + term.bot = b; +} + +void +tsetmode(int priv, int set, const int *args, int narg) +{ + int alt; + const int *lim; + + for (lim = args + narg; args < lim; ++args) { + if (priv) { + switch (*args) { + case 1: /* DECCKM -- Cursor key */ + xsetmode(set, MODE_APPCURSOR); + break; + case 5: /* DECSCNM -- Reverse video */ + xsetmode(set, MODE_REVERSE); + break; + case 6: /* DECOM -- Origin */ + MODBIT(term.c.state, set, CURSOR_ORIGIN); + tmoveato(0, 0); + break; + case 7: /* DECAWM -- Auto wrap */ + MODBIT(term.mode, set, MODE_WRAP); + break; + case 0: /* Error (IGNORED) */ + case 2: /* DECANM -- ANSI/VT52 (IGNORED) */ + case 3: /* DECCOLM -- Column (IGNORED) */ + case 4: /* DECSCLM -- Scroll (IGNORED) */ + case 8: /* DECARM -- Auto repeat (IGNORED) */ + case 18: /* DECPFF -- Printer feed (IGNORED) */ + case 19: /* DECPEX -- Printer extent (IGNORED) */ + case 42: /* DECNRCM -- National characters (IGNORED) */ + case 12: /* att610 -- Start blinking cursor (IGNORED) */ + break; + case 25: /* DECTCEM -- Text Cursor Enable Mode */ + xsetmode(!set, MODE_HIDE); + break; + case 9: /* X10 mouse compatibility mode */ + xsetpointermotion(0); + xsetmode(0, MODE_MOUSE); + xsetmode(set, MODE_MOUSEX10); + break; + case 1000: /* 1000: report button press */ + xsetpointermotion(0); + xsetmode(0, MODE_MOUSE); + xsetmode(set, MODE_MOUSEBTN); + break; + case 1002: /* 1002: report motion on button press */ + xsetpointermotion(0); + xsetmode(0, MODE_MOUSE); + xsetmode(set, MODE_MOUSEMOTION); + break; + case 1003: /* 1003: enable all mouse motions */ + xsetpointermotion(set); + xsetmode(0, MODE_MOUSE); + xsetmode(set, MODE_MOUSEMANY); + break; + case 1004: /* 1004: send focus events to tty */ + xsetmode(set, MODE_FOCUS); + break; + case 1006: /* 1006: extended reporting mode */ + xsetmode(set, MODE_MOUSESGR); + break; + case 1034: + xsetmode(set, MODE_8BIT); + break; + case 1049: /* swap screen & set/restore cursor as xterm */ + if (!allowaltscreen) + break; + tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD); + /* FALLTHROUGH */ + case 47: /* swap screen */ + case 1047: + if (!allowaltscreen) + break; + if (set) + tloadaltscreen(*args != 47, *args == 1049); + else + tloaddefscreen(*args != 47, *args == 1049); + break; + case 1048: + if (!allowaltscreen) + break; + tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD); + break; + case 2004: /* 2004: bracketed paste mode */ + xsetmode(set, MODE_BRCKTPASTE); + break; + /* Not implemented mouse modes. See comments there. */ + case 1001: /* mouse highlight mode; can hang the + terminal by design when implemented. */ + case 1005: /* UTF-8 mouse mode; will confuse + applications not supporting UTF-8 + and luit. */ + case 1015: /* urxvt mangled mouse mode; incompatible + and can be mistaken for other control + codes. */ + break; + case 80: /* DECSDM -- Sixel Display Mode */ + MODBIT(term.mode, set, MODE_SIXEL_SDM); + break; + case 8452: /* sixel scrolling leaves cursor to right of graphic */ + MODBIT(term.mode, set, MODE_SIXEL_CUR_RT); + break; + default: + fprintf(stderr, + "erresc: unknown private set/reset mode %d\n", + *args); + break; + } + } else { + switch (*args) { + case 0: /* Error (IGNORED) */ + break; + case 2: + xsetmode(set, MODE_KBDLOCK); + break; + case 4: /* IRM -- Insertion-replacement */ + MODBIT(term.mode, set, MODE_INSERT); + break; + case 12: /* SRM -- Send/Receive */ + MODBIT(term.mode, !set, MODE_ECHO); + break; + case 20: /* LNM -- Linefeed/new line */ + MODBIT(term.mode, set, MODE_CRLF); + break; + default: + fprintf(stderr, + "erresc: unknown set/reset mode %d\n", + *args); + break; + } + } + } +} + +void +csihandle(void) +{ + char buffer[40]; + int n = 0, len; + ImageList *im, *next; + int pi, pa; + int x; + int maxcol = term.col; + + switch (csiescseq.mode[0]) { + default: + unknown: + fprintf(stderr, "erresc: unknown csi "); + csidump(); + /* die(""); */ + break; + case '@': /* ICH -- Insert blank char */ + DEFAULT(csiescseq.arg[0], 1); + tinsertblank(csiescseq.arg[0]); + break; + case 'A': /* CUU -- Cursor Up */ + DEFAULT(csiescseq.arg[0], 1); + tmoveto(term.c.x, term.c.y-csiescseq.arg[0]); + break; + case 'B': /* CUD -- Cursor Down */ + case 'e': /* VPR --Cursor Down */ + DEFAULT(csiescseq.arg[0], 1); + tmoveto(term.c.x, term.c.y+csiescseq.arg[0]); + break; + case 'i': /* MC -- Media Copy */ + switch (csiescseq.arg[0]) { + case 0: + tdump(); + break; + case 1: + tdumpline(term.c.y); + break; + case 2: + tdumpsel(); + break; + case 4: + term.mode &= ~MODE_PRINT; + break; + case 5: + term.mode |= MODE_PRINT; + break; + } + break; + case 'c': /* DA -- Device Attributes */ + if (csiescseq.arg[0] == 0) + ttywrite(vtiden, strlen(vtiden), 0); + break; + case 'b': /* REP -- if last char is printable print it more times */ + LIMIT(csiescseq.arg[0], 1, 65535); + if (term.lastc) + while (csiescseq.arg[0]-- > 0) + tputc(term.lastc); + break; + case 'C': /* CUF -- Cursor Forward */ + case 'a': /* HPR -- Cursor Forward */ + DEFAULT(csiescseq.arg[0], 1); + tmoveto(term.c.x+csiescseq.arg[0], term.c.y); + break; + case 'D': /* CUB -- Cursor Backward */ + DEFAULT(csiescseq.arg[0], 1); + tmoveto(term.c.x-csiescseq.arg[0], term.c.y); + break; + case 'E': /* CNL -- Cursor Down and first col */ + DEFAULT(csiescseq.arg[0], 1); + tmoveto(0, term.c.y+csiescseq.arg[0]); + break; + case 'F': /* CPL -- Cursor Up and first col */ + DEFAULT(csiescseq.arg[0], 1); + tmoveto(0, term.c.y-csiescseq.arg[0]); + break; + case 'g': /* TBC -- Tabulation clear */ + switch (csiescseq.arg[0]) { + case 0: /* clear current tab stop */ + term.tabs[term.c.x] = 0; + break; + case 3: /* clear all the tabs */ + memset(term.tabs, 0, term.col * sizeof(*term.tabs)); + break; + default: + goto unknown; + } + break; + case 'G': /* CHA -- Move to */ + case '`': /* HPA */ + DEFAULT(csiescseq.arg[0], 1); + tmoveto(csiescseq.arg[0]-1, term.c.y); + break; + case 'H': /* CUP -- Move to */ + case 'f': /* HVP */ + DEFAULT(csiescseq.arg[0], 1); + DEFAULT(csiescseq.arg[1], 1); + tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1); + break; + case 'I': /* CHT -- Cursor Forward Tabulation tab stops */ + DEFAULT(csiescseq.arg[0], 1); + tputtab(csiescseq.arg[0]); + break; + case 'J': /* ED -- Clear screen */ + switch (csiescseq.arg[0]) { + case 0: /* below */ + tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 1); + if (term.c.y < term.row-1) + tclearregion(0, term.c.y+1, term.col-1, term.row-1, 1); + break; + case 1: /* above */ + if (term.c.y >= 1) + tclearregion(0, 0, term.col-1, term.c.y-1, 1); + tclearregion(0, term.c.y, term.c.x, term.c.y, 1); + break; + case 2: /* screen */ + if (IS_SET(MODE_ALTSCREEN)) { + tclearregion(0, 0, term.col-1, term.row-1, 1); + tdeleteimages(); + break; + } + /* vte does this: + tscrollup(0, term.row-1, term.row, SCROLL_SAVEHIST); */ + /* alacritty does this: */ + for (n = term.row-1; n >= 0 && tlinelen(term.line[n]) == 0; n--) + ; + for (im = term.images; im; im = im->next) + n = MAX(im->y - term.scr, n); + if (n >= 0) + tscrollup(0, term.row-1, n+1, SCROLL_SAVEHIST); + tscrollup(0, term.row-1, term.row-n-1, SCROLL_NOSAVEHIST); + break; + break; + case 3: /* scrollback */ + if (IS_SET(MODE_ALTSCREEN)) + break; + kscrolldown(&((Arg){ .i = term.scr })); + term.scr = 0; + term.histi = 0; + term.histf = 0; + for (im = term.images; im; im = next) { + next = im->next; + if (im->y < 0) + delete_image(im); + } + break; + case 6: /* sixels */ + tdeleteimages(); + tfulldirt(); + break; + default: + goto unknown; + } + break; + case 'K': /* EL -- Clear line */ + switch (csiescseq.arg[0]) { + case 0: /* right */ + tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 1); + break; + case 1: /* left */ + tclearregion(0, term.c.y, term.c.x, term.c.y, 1); + break; + case 2: /* all */ + tclearregion(0, term.c.y, term.col-1, term.c.y, 1); + break; + } + break; + case 'S': /* SU -- Scroll line up ; XTSMGRAPHICS */ + if (csiescseq.priv) { + if (csiescseq.narg > 1) { + /* XTSMGRAPHICS */ + pi = csiescseq.arg[0]; + pa = csiescseq.arg[1]; + if (pi == 1 && (pa == 1 || pa == 2 || pa == 4)) { + /* number of sixel color registers */ + /* (read, reset and read the maximum value give the same response) */ + n = snprintf(buffer, sizeof buffer, "\033[?1;0;%dS", DECSIXEL_PALETTE_MAX); + ttywrite(buffer, n, 1); + break; + } else if (pi == 2 && (pa == 1 || pa == 2 || pa == 4)) { + /* sixel graphics geometry (in pixels) */ + /* (read, reset and read the maximum value give the same response) */ + n = snprintf(buffer, sizeof buffer, "\033[?2;0;%d;%dS", + MIN(term.col * win.cw, DECSIXEL_WIDTH_MAX), + MIN(term.row * win.ch, DECSIXEL_HEIGHT_MAX)); + ttywrite(buffer, n, 1); + break; + } + /* the number of color registers and sixel geometry can't be changed */ + n = snprintf(buffer, sizeof buffer, "\033[?%d;3;0S", pi); /* failure */ + ttywrite(buffer, n, 1); + } + goto unknown; + } + DEFAULT(csiescseq.arg[0], 1); + /* xterm, urxvt, alacritty save this in history */ + tscrollup(term.top, term.bot, csiescseq.arg[0], SCROLL_SAVEHIST); + break; + case 'T': /* SD -- Scroll line down */ + DEFAULT(csiescseq.arg[0], 1); + tscrolldown(term.top, csiescseq.arg[0]); + break; + case 'L': /* IL -- Insert blank lines */ + DEFAULT(csiescseq.arg[0], 1); + tinsertblankline(csiescseq.arg[0]); + break; + case 'l': /* RM -- Reset Mode */ + tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg); + break; + case 'M': /* DL -- Delete lines */ + DEFAULT(csiescseq.arg[0], 1); + tdeleteline(csiescseq.arg[0]); + break; + case 'X': /* ECH -- Erase char */ + if (csiescseq.arg[0] < 0) + return; + DEFAULT(csiescseq.arg[0], 1); + x = MIN(term.c.x + csiescseq.arg[0], term.col) - 1; + tclearregion(term.c.x, term.c.y, x, term.c.y, 1); + break; + case 'P': /* DCH -- Delete char */ + DEFAULT(csiescseq.arg[0], 1); + tdeletechar(csiescseq.arg[0]); + break; + case 'Z': /* CBT -- Cursor Backward Tabulation tab stops */ + DEFAULT(csiescseq.arg[0], 1); + tputtab(-csiescseq.arg[0]); + break; + case 'd': /* VPA -- Move to */ + DEFAULT(csiescseq.arg[0], 1); + tmoveato(term.c.x, csiescseq.arg[0]-1); + break; + case 'h': /* SM -- Set terminal mode */ + tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg); + break; + case 'm': /* SGR -- Terminal attribute (color) */ + tsetattr(csiescseq.arg, csiescseq.narg); + break; + case 'n': /* DSR -- Device Status Report */ + switch (csiescseq.arg[0]) { + case 5: /* Status Report "OK" `0n` */ + ttywrite("\033[0n", sizeof("\033[0n") - 1, 0); + break; + case 6: /* Report Cursor Position (CPR) ";R" */ + len = snprintf(buffer, sizeof(buffer), "\033[%i;%iR", + term.c.y+1, term.c.x+1); + ttywrite(buffer, len, 0); + break; + default: + goto unknown; + } + break; + case 'r': /* DECSTBM -- Set Scrolling Region */ + if (csiescseq.priv) { + goto unknown; + } else { + DEFAULT(csiescseq.arg[0], 1); + DEFAULT(csiescseq.arg[1], term.row); + tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1); + tmoveato(0, 0); + } + break; + case 's': /* DECSC -- Save cursor position (ANSI.SYS) */ + tcursor(CURSOR_SAVE); + break; + case 't': /* title stack operations ; XTWINOPS */ + switch (csiescseq.arg[0]) { + case 14: /* text area size in pixels */ + if (csiescseq.narg > 1) + goto unknown; + n = snprintf(buffer, sizeof buffer, "\033[4;%d;%dt", + term.row * win.ch, term.col * win.cw); + ttywrite(buffer, n, 1); + break; + case 16: /* character cell size in pixels */ + n = snprintf(buffer, sizeof buffer, "\033[6;%d;%dt", win.ch, win.cw); + ttywrite(buffer, n, 1); + break; + case 18: /* size of the text area in characters */ + n = snprintf(buffer, sizeof buffer, "\033[8;%d;%dt", term.row, term.col); + ttywrite(buffer, n, 1); + break; + case 22: /* pust current title on stack */ + switch (csiescseq.arg[1]) { + case 0: + case 1: + case 2: + xpushtitle(); + break; + default: + goto unknown; + } + break; + case 23: /* pop last title from stack */ + switch (csiescseq.arg[1]) { + case 0: + case 1: + case 2: + xsettitle(NULL, 1); + break; + default: + goto unknown; + } + break; + default: + goto unknown; + } + break; + case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */ + tcursor(CURSOR_LOAD); + break; + case ' ': + switch (csiescseq.mode[1]) { + case 'q': /* DECSCUSR -- Set Cursor Style */ + if (xsetcursor(csiescseq.arg[0])) + goto unknown; + break; + default: + goto unknown; + } + break; + } +} + +void +csidump(void) +{ + size_t i; + uint c; + + fprintf(stderr, "ESC["); + for (i = 0; i < csiescseq.len; i++) { + c = csiescseq.buf[i] & 0xff; + if (isprint(c)) { + putc(c, stderr); + } else if (c == '\n') { + fprintf(stderr, "(\\n)"); + } else if (c == '\r') { + fprintf(stderr, "(\\r)"); + } else if (c == 0x1b) { + fprintf(stderr, "(\\e)"); + } else { + fprintf(stderr, "(%02x)", c); + } + } + putc('\n', stderr); +} + +void +csireset(void) +{ + memset(&csiescseq, 0, sizeof(csiescseq)); +} + +void +osc_color_response(int num, int index, int is_osc4) +{ + int n; + char buf[32]; + unsigned char r, g, b; + + if (xgetcolor(is_osc4 ? num : index, &r, &g, &b)) { + fprintf(stderr, "erresc: failed to fetch %s color %d\n", + is_osc4 ? "osc4" : "osc", + is_osc4 ? num : index); + return; + } + + n = snprintf(buf, sizeof buf, "\033]%s%d;rgb:%02x%02x/%02x%02x/%02x%02x%s", + is_osc4 ? "4;" : "", num, r, r, g, g, b, b, strescseq.term); + if (n < 0 || n >= sizeof(buf)) { + fprintf(stderr, "error: %s while printing %s response\n", + n < 0 ? "snprintf failed" : "truncation occurred", + is_osc4 ? "osc4" : "osc"); + } else { + ttywrite(buf, n, 1); + } +} + +void +strhandle(void) +{ + char *p = NULL, *dec; + int j, narg, par; + const struct { int idx; char *str; } osc_table[] = { + { defaultfg, "foreground" }, + { defaultbg, "background" }, + { defaultcs, "cursor" } + }; + ImageList *im, *newimages, *next, *tail; + int i, x, y, x1, y1, x2, y2, numimages; + int cx, cy; + Line line; + int scr = IS_SET(MODE_ALTSCREEN) ? 0 : term.scr; + + term.esc &= ~(ESC_STR_END|ESC_STR); + strparse(); + par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0; + + switch (strescseq.type) { + case ']': /* OSC -- Operating System Command */ + switch (par) { + case 0: + if (narg > 1) { + xsettitle(strescseq.args[1], 0); + xseticontitle(strescseq.args[1]); + } + return; + case 1: + if (narg > 1) + xseticontitle(strescseq.args[1]); + return; + case 2: + if (narg > 1) + xsettitle(strescseq.args[1], 0); + return; + case 52: + if (narg > 2 && allowwindowops) { + dec = base64dec(strescseq.args[2]); + if (dec) { + xsetsel(dec); + xclipcopy(); + } else { + fprintf(stderr, "erresc: invalid base64\n"); + } + } + return; + case 8: /* Clear Hyperlinks */ + return; + case 10: + case 11: + case 12: + if (narg < 2) + break; + p = strescseq.args[1]; + if ((j = par - 10) < 0 || j >= LEN(osc_table)) + break; /* shouldn't be possible */ + + if (!strcmp(p, "?")) { + osc_color_response(par, osc_table[j].idx, 0); + } else if (xsetcolorname(osc_table[j].idx, p)) { + fprintf(stderr, "erresc: invalid %s color: %s\n", + osc_table[j].str, p); + } else { + tfulldirt(); + } + return; + case 4: /* color set */ + if (narg < 3) + break; + p = strescseq.args[2]; + /* FALLTHROUGH */ + case 104: /* color reset */ + j = (narg > 1) ? atoi(strescseq.args[1]) : -1; + + if (p && !strcmp(p, "?")) { + osc_color_response(j, 0, 1); + } else if (xsetcolorname(j, p)) { + if (par == 104 && narg <= 1) { + xloadcols(); + return; /* color reset without parameter */ + } + fprintf(stderr, "erresc: invalid color j=%d, p=%s\n", + j, p ? p : "(null)"); + } else { + /* + * TODO if defaultbg color is changed, borders + * are dirty + */ + tfulldirt(); + } + return; + } + break; + case 'k': /* old title set compatibility */ + xsettitle(strescseq.args[0], 0); + return; + case 'P': /* DCS -- Device Control String */ + if (IS_SET(MODE_SIXEL)) { + term.mode &= ~MODE_SIXEL; + if (!sixel_st.image.data) { + sixel_parser_deinit(&sixel_st); + return; + } + cx = IS_SET(MODE_SIXEL_SDM) ? 0 : term.c.x; + cy = IS_SET(MODE_SIXEL_SDM) ? 0 : term.c.y; + if ((numimages = sixel_parser_finalize(&sixel_st, &newimages, + cx, cy + scr, win.cw, win.ch)) <= 0) { + sixel_parser_deinit(&sixel_st); + perror("sixel_parser_finalize() failed"); + return; + } + sixel_parser_deinit(&sixel_st); + x1 = newimages->x; + y1 = newimages->y; + x2 = x1 + newimages->cols; + y2 = y1 + numimages; + if (newimages->transparent) { + for (tail = term.images; tail && tail->next; tail = tail->next); + } else { + for (tail = NULL, im = term.images; im; im = next) { + next = im->next; + if (im->x >= x1 && im->x + im->cols <= x2 && + im->y >= y1 && im->y <= y2) { + delete_image(im); + continue; + } + tail = im; + } + } + if (tail) { + tail->next = newimages; + newimages->prev = tail; + } else { + term.images = newimages; + } + x2 = MIN(x2, term.col); + for (i = 0, im = newimages; im; im = next, i++) { + next = im->next; + scr = IS_SET(MODE_ALTSCREEN) ? 0 : term.scr; + if (IS_SET(MODE_SIXEL_SDM)) { + if (i >= term.row) { + delete_image(im); + continue; + } + im->y = i + scr; + line = term.line[i]; + } else { + im->y = term.c.y + scr; + line = term.line[term.c.y]; + } + for (x = im->x; x < x2; x++) { + line[x].mode |= ATTR_SIXEL; + } + term.dirty[MIN(im->y, term.row-1)] = 1; + if (!IS_SET(MODE_SIXEL_SDM) && i < numimages-1) { + im->next = NULL; + tnewline(0); + im->next = next; + } + } + /* if mode 8452 is set, sixel scrolling leaves cursor to right of graphic */ + if (!IS_SET(MODE_SIXEL_SDM) && IS_SET(MODE_SIXEL_CUR_RT)) + term.c.x = MIN(term.c.x + newimages->cols, term.col-1); + } + /* https://gitlab.com/gnachman/iterm2/-/wikis/synchronized-updates-spec */ + if (strstr(strescseq.buf, "=1s") == strescseq.buf) + tsync_begin(); /* BSU */ + else if (strstr(strescseq.buf, "=2s") == strescseq.buf) + tsync_end(); /* ESU */ + return; + case '_': /* APC -- Application Program Command */ + case '^': /* PM -- Privacy Message */ + return; + } + + fprintf(stderr, "erresc: unknown str "); + strdump(); +} + +void +strparse(void) +{ + int c; + char *p = strescseq.buf; + + strescseq.narg = 0; + strescseq.buf[strescseq.len] = '\0'; + + if (*p == '\0') + return; + + while (strescseq.narg < STR_ARG_SIZ) { + strescseq.args[strescseq.narg++] = p; + while ((c = *p) != ';' && c != '\0') + ++p; + if (c == '\0') + return; + *p++ = '\0'; + } +} + +void +strdump(void) +{ + size_t i; + uint c; + + fprintf(stderr, "ESC%c", strescseq.type); + for (i = 0; i < strescseq.len; i++) { + c = strescseq.buf[i] & 0xff; + if (c == '\0') { + putc('\n', stderr); + return; + } else if (isprint(c)) { + putc(c, stderr); + } else if (c == '\n') { + fprintf(stderr, "(\\n)"); + } else if (c == '\r') { + fprintf(stderr, "(\\r)"); + } else if (c == 0x1b) { + fprintf(stderr, "(\\e)"); + } else { + fprintf(stderr, "(%02x)", c); + } + } + fprintf(stderr, (strescseq.term[0] == 0x1b) ? "ESC\\\n" : "BEL\n"); +} + +void +strreset(void) +{ + strescseq = (STREscape){ + .buf = xrealloc(strescseq.buf, STR_BUF_SIZ), + .siz = STR_BUF_SIZ, + }; +} + +void +sendbreak(const Arg *arg) +{ + if (tcsendbreak(cmdfd, 0)) + perror("Error sending break"); +} + +void +tprinter(char *s, size_t len) +{ + if (iofd != -1 && xwrite(iofd, s, len) < 0) { + perror("Error writing to output file"); + close(iofd); + iofd = -1; + } +} + +void +toggleprinter(const Arg *arg) +{ + term.mode ^= MODE_PRINT; +} + +void +printscreen(const Arg *arg) +{ + tdump(); +} + +void +printsel(const Arg *arg) +{ + tdumpsel(); +} + +void +tdumpsel(void) +{ + char *ptr; + + if ((ptr = getsel())) { + tprinter(ptr, strlen(ptr)); + free(ptr); + } +} + +void +tdump(void) +{ + int i; + + for (i = 0; i < term.row; ++i) + tdumpline(i); +} + +void +tputtab(int n) +{ + uint x = term.c.x; + + if (n > 0) { + while (x < term.col && n--) + for (++x; x < term.col && !term.tabs[x]; ++x) + /* nothing */ ; + } else if (n < 0) { + while (x > 0 && n++) + for (--x; x > 0 && !term.tabs[x]; --x) + /* nothing */ ; + } + term.c.x = LIMIT(x, 0, term.col-1); +} + +void +tdefutf8(char ascii) +{ + if (ascii == 'G') + term.mode |= MODE_UTF8; + else if (ascii == '@') + term.mode &= ~MODE_UTF8; +} + +void +tdeftran(char ascii) +{ + static char cs[] = "0B"; + static int vcs[] = {CS_GRAPHIC0, CS_USA}; + char *p; + + if ((p = strchr(cs, ascii)) == NULL) { + fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii); + } else { + term.trantbl[term.icharset] = vcs[p - cs]; + } +} + +void +tdectest(char c) +{ + int x, y; + + if (c == '8') { /* DEC screen alignment test. */ + for (x = 0; x < term.col; ++x) { + for (y = 0; y < term.row; ++y) + tsetchar('E', &term.c.attr, x, y); + } + } +} + +void +tstrsequence(uchar c) +{ + strreset(); + + switch (c) { + case 0x90: /* DCS -- Device Control String */ + c = 'P'; + term.esc |= ESC_DCS; + break; + case 0x9f: /* APC -- Application Program Command */ + c = '_'; + break; + case 0x9e: /* PM -- Privacy Message */ + c = '^'; + break; + case 0x9d: /* OSC -- Operating System Command */ + c = ']'; + break; + } + strescseq.type = c; + term.esc |= ESC_STR; +} + +void +tcontrolcode(uchar ascii) +{ + switch (ascii) { + case '\t': /* HT */ + tputtab(1); + return; + case '\b': /* BS */ + tmoveto(term.c.x-1, term.c.y); + return; + case '\r': /* CR */ + tmoveto(0, term.c.y); + return; + case '\f': /* LF */ + case '\v': /* VT */ + case '\n': /* LF */ + /* go to first col if the mode is set */ + tnewline(IS_SET(MODE_CRLF)); + return; + case '\a': /* BEL */ + if (term.esc & ESC_STR_END) { + /* backwards compatibility to xterm */ + strescseq.term = STR_TERM_BEL; + strhandle(); + } else { + xbell(); + } + break; + case '\033': /* ESC */ + csireset(); + term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST); + term.esc |= ESC_START; + return; + case '\016': /* SO (LS1 -- Locking shift 1) */ + case '\017': /* SI (LS0 -- Locking shift 0) */ + term.charset = 1 - (ascii - '\016'); + return; + case '\032': /* SUB */ + tsetchar('?', &term.c.attr, term.c.x, term.c.y); + /* FALLTHROUGH */ + case '\030': /* CAN */ + csireset(); + break; + case '\005': /* ENQ (IGNORED) */ + case '\000': /* NUL (IGNORED) */ + case '\021': /* XON (IGNORED) */ + case '\023': /* XOFF (IGNORED) */ + case 0177: /* DEL (IGNORED) */ + return; + case 0x80: /* TODO: PAD */ + case 0x81: /* TODO: HOP */ + case 0x82: /* TODO: BPH */ + case 0x83: /* TODO: NBH */ + case 0x84: /* TODO: IND */ + break; + case 0x85: /* NEL -- Next line */ + tnewline(1); /* always go to first col */ + break; + case 0x86: /* TODO: SSA */ + case 0x87: /* TODO: ESA */ + break; + case 0x88: /* HTS -- Horizontal tab stop */ + term.tabs[term.c.x] = 1; + break; + case 0x89: /* TODO: HTJ */ + case 0x8a: /* TODO: VTS */ + case 0x8b: /* TODO: PLD */ + case 0x8c: /* TODO: PLU */ + case 0x8d: /* TODO: RI */ + case 0x8e: /* TODO: SS2 */ + case 0x8f: /* TODO: SS3 */ + case 0x91: /* TODO: PU1 */ + case 0x92: /* TODO: PU2 */ + case 0x93: /* TODO: STS */ + case 0x94: /* TODO: CCH */ + case 0x95: /* TODO: MW */ + case 0x96: /* TODO: SPA */ + case 0x97: /* TODO: EPA */ + case 0x98: /* TODO: SOS */ + case 0x99: /* TODO: SGCI */ + break; + case 0x9a: /* DECID -- Identify Terminal */ + ttywrite(vtiden, strlen(vtiden), 0); + break; + case 0x9b: /* TODO: CSI */ + case 0x9c: /* TODO: ST */ + break; + case 0x90: /* DCS -- Device Control String */ + case 0x9d: /* OSC -- Operating System Command */ + case 0x9e: /* PM -- Privacy Message */ + case 0x9f: /* APC -- Application Program Command */ + tstrsequence(ascii); + return; + } + /* only CAN, SUB, \a and C1 chars interrupt a sequence */ + term.esc &= ~(ESC_STR_END|ESC_STR); +} + +void +dcshandle(void) +{ + int bgcolor, transparent; + unsigned char r, g, b, a = 255; + + switch (csiescseq.mode[0]) { + default: + unknown: + fprintf(stderr, "erresc: unknown csi "); + csidump(); + /* die(""); */ + break; + case '=': + /* https://gitlab.com/gnachman/iterm2/-/wikis/synchronized-updates-spec */ + if (csiescseq.buf[2] == 's' && csiescseq.buf[1] == '1') + tsync_begin(); /* BSU */ + else if (csiescseq.buf[2] == 's' && csiescseq.buf[1] == '2') + tsync_end(); /* ESU */ + else + goto unknown; + break; + case 'q': /* DECSIXEL */ + transparent = (csiescseq.narg >= 2 && csiescseq.arg[1] == 1); + if (IS_TRUECOL(term.c.attr.bg)) { + r = term.c.attr.bg >> 16 & 255; + g = term.c.attr.bg >> 8 & 255; + b = term.c.attr.bg >> 0 & 255; + } else { + xgetcolor(term.c.attr.bg, &r, &g, &b); + if (term.c.attr.bg == defaultbg) + a = dc.col[defaultbg].pixel >> 24 & 255; + } + bgcolor = a << 24 | r << 16 | g << 8 | b; + if (sixel_parser_init(&sixel_st, transparent, (255 << 24), bgcolor, 1, win.cw, win.ch) != 0) + perror("sixel_parser_init() failed"); + term.mode |= MODE_SIXEL; + break; + } +} + +/* + * returns 1 when the sequence is finished and it hasn't to read + * more characters for this sequence, otherwise 0 + */ +int +eschandle(uchar ascii) +{ + switch (ascii) { + case '[': + term.esc |= ESC_CSI; + return 0; + case '#': + term.esc |= ESC_TEST; + return 0; + case '%': + term.esc |= ESC_UTF8; + return 0; + case 'P': /* DCS -- Device Control String */ + term.esc |= ESC_DCS; + case '_': /* APC -- Application Program Command */ + case '^': /* PM -- Privacy Message */ + case ']': /* OSC -- Operating System Command */ + case 'k': /* old title set compatibility */ + tstrsequence(ascii); + return 0; + case 'n': /* LS2 -- Locking shift 2 */ + case 'o': /* LS3 -- Locking shift 3 */ + term.charset = 2 + (ascii - 'n'); + break; + case '(': /* GZD4 -- set primary charset G0 */ + case ')': /* G1D4 -- set secondary charset G1 */ + case '*': /* G2D4 -- set tertiary charset G2 */ + case '+': /* G3D4 -- set quaternary charset G3 */ + term.icharset = ascii - '('; + term.esc |= ESC_ALTCHARSET; + return 0; + case 'D': /* IND -- Linefeed */ + if (term.c.y == term.bot) { + tscrollup(term.top, term.bot, 1, SCROLL_SAVEHIST); + } else { + tmoveto(term.c.x, term.c.y+1); + } + break; + case 'E': /* NEL -- Next line */ + tnewline(1); /* always go to first col */ + break; + case 'H': /* HTS -- Horizontal tab stop */ + term.tabs[term.c.x] = 1; + break; + case 'M': /* RI -- Reverse index */ + if (term.c.y == term.top) { + tscrolldown(term.top, 1); + } else { + tmoveto(term.c.x, term.c.y-1); + } + break; + case 'Z': /* DECID -- Identify Terminal */ + ttywrite(vtiden, strlen(vtiden), 0); + break; + case 'c': /* RIS -- Reset to initial state */ + treset(); + xfreetitlestack(); + resettitle(); + xloadcols(); + xsetmode(0, MODE_HIDE); + break; + case '=': /* DECPAM -- Application keypad */ + xsetmode(1, MODE_APPKEYPAD); + break; + case '>': /* DECPNM -- Normal keypad */ + xsetmode(0, MODE_APPKEYPAD); + break; + case '7': /* DECSC -- Save Cursor */ + tcursor(CURSOR_SAVE); + break; + case '8': /* DECRC -- Restore Cursor */ + tcursor(CURSOR_LOAD); + break; + case '\\': /* ST -- String Terminator */ + if (term.esc & ESC_STR_END) { + strescseq.term = STR_TERM_ST; + strhandle(); + } + break; + default: + fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n", + (uchar) ascii, isprint(ascii)? ascii:'.'); + break; + } + return 1; +} + +void +tputc(Rune u) +{ + char c[UTF_SIZ]; + int control; + int width, len; + Glyph *gp; + + control = ISCONTROL(u); + if (u < 127 || !IS_SET(MODE_UTF8)) + { + c[0] = u; + width = len = 1; + } else { + len = utf8encode(u, c); + if (!control && (width = wcwidth(u)) == -1) + width = 1; + } + + if (IS_SET(MODE_PRINT)) + tprinter(c, len); + + /* + * STR sequence must be checked before anything else + * because it uses all following characters until it + * receives a ESC, a SUB, a ST or any other C1 control + * character. + */ + if (term.esc & ESC_STR) { + if (u == '\a' || u == 030 || u == 032 || u == 033 || + ISCONTROLC1(u)) { + term.esc &= ~(ESC_START|ESC_STR|ESC_DCS); + term.esc |= ESC_STR_END; + goto check_control_code; + } + + if (term.esc & ESC_DCS) + goto check_control_code; + + if (strescseq.len+len >= strescseq.siz) { + /* + * Here is a bug in terminals. If the user never sends + * some code to stop the str or esc command, then st + * will stop responding. But this is better than + * silently failing with unknown characters. At least + * then users will report back. + * + * In the case users ever get fixed, here is the code: + */ + /* + * term.esc = 0; + * strhandle(); + */ + if (strescseq.siz > (SIZE_MAX - UTF_SIZ) / 2) + return; + strescseq.siz *= 2; + strescseq.buf = xrealloc(strescseq.buf, strescseq.siz); + } + + memmove(&strescseq.buf[strescseq.len], c, len); + strescseq.len += len; + return; + } + +check_control_code: + /* + * Actions of control codes must be performed as soon they arrive + * because they can be embedded inside a control sequence, and + * they must not cause conflicts with sequences. + */ + if (control) { + /* in UTF-8 mode ignore handling C1 control characters */ + if (IS_SET(MODE_UTF8) && ISCONTROLC1(u)) + return; + tcontrolcode(u); + /* + * control codes are not shown ever + */ + if (!term.esc) + term.lastc = 0; + return; + } else if (term.esc & ESC_START) { + if (term.esc & ESC_CSI) { + csiescseq.buf[csiescseq.len++] = u; + if (BETWEEN(u, 0x40, 0x7E) + || csiescseq.len >= \ + sizeof(csiescseq.buf)-1) { + term.esc = 0; + csiparse(); + csihandle(); + } + return; + } else if (term.esc & ESC_DCS) { + csiescseq.buf[csiescseq.len++] = u; + if (BETWEEN(u, 0x40, 0x7E) + || csiescseq.len >= \ + sizeof(csiescseq.buf)-1) { + csiparse(); + dcshandle(); + } + return; + } else if (term.esc & ESC_UTF8) { + tdefutf8(u); + } else if (term.esc & ESC_ALTCHARSET) { + tdeftran(u); + } else if (term.esc & ESC_TEST) { + tdectest(u); + } else { + if (!eschandle(u)) + return; + /* sequence already finished */ + } + term.esc = 0; + /* + * All characters which form part of a sequence are not + * printed + */ + return; + } + + /* selected() takes relative coordinates */ + if (selected(term.c.x + term.scr, term.c.y + term.scr)) + selclear(); + + gp = &term.line[term.c.y][term.c.x]; + if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) { + gp->mode |= ATTR_WRAP; + tnewline(1); + gp = &term.line[term.c.y][term.c.x]; + } + + if (IS_SET(MODE_INSERT) && term.c.x+width < term.col) { + memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph)); + gp->mode &= ~ATTR_WIDE; + } + + if (term.c.x+width > term.col) { + if (IS_SET(MODE_WRAP)) + tnewline(1); + else + tmoveto(term.col - width, term.c.y); + gp = &term.line[term.c.y][term.c.x]; + } + + tsetchar(u, &term.c.attr, term.c.x, term.c.y); + term.lastc = u; + + if (width == 2) { + gp->mode |= ATTR_WIDE; + if (term.c.x+1 < term.col) { + if (gp[1].mode == ATTR_WIDE && term.c.x+2 < term.col) { + gp[2].u = ' '; + gp[2].mode &= ~ATTR_WDUMMY; + } + gp[1].u = '\0'; + gp[1].mode = ATTR_WDUMMY; + } + } + if (term.c.x+width < term.col) { + tmoveto(term.c.x+width, term.c.y); + } else { + term.wrapcwidth[IS_SET(MODE_ALTSCREEN)] = width; + term.c.state |= CURSOR_WRAPNEXT; + } +} + +int +twrite(const char *buf, int buflen, int show_ctrl) +{ + int charsize; + Rune u; + int n; + + int su0 = su; + twrite_aborted = 0; + + for (n = 0; n < buflen; n += charsize) { + if (IS_SET(MODE_SIXEL) && sixel_st.state != PS_ESC) { + charsize = sixel_parser_parse(&sixel_st, (const unsigned char*)buf + n, buflen - n); + continue; + } else if (IS_SET(MODE_UTF8)) + { + /* process a complete utf8 char */ + charsize = utf8decode(buf + n, &u, buflen - n); + if (charsize == 0) + break; + } else { + u = buf[n] & 0xFF; + charsize = 1; + } + if (su0 && !su) { + twrite_aborted = 1; + break; // ESU - allow rendering before a new BSU + } + if (show_ctrl && ISCONTROL(u)) { + if (u & 0x80) { + u &= 0x7f; + tputc('^'); + tputc('['); + } else if (u != '\n' && u != '\r' && u != '\t') { + u ^= 0x40; + tputc('^'); + } + } + tputc(u); + } + return n; +} + +void +resettitle(void) +{ + xsettitle(NULL, 0); +} + +void +drawregion(int x1, int y1, int x2, int y2) +{ + int y; + + for (y = y1; y < y2; y++) { + if (!term.dirty[y]) + continue; + + term.dirty[y] = 0; + xdrawline(TLINE(y), x1, y, x2); + } +} + +#include "patch/st_include.c" + +void +draw(void) +{ + int cx = term.c.x, ocx = term.ocx, ocy = term.ocy; + + if (!xstartdraw()) + return; + + /* adjust cursor position */ + LIMIT(term.ocx, 0, term.col-1); + LIMIT(term.ocy, 0, term.row-1); + if (term.line[term.ocy][term.ocx].mode & ATTR_WDUMMY) + term.ocx--; + if (term.line[term.c.y][cx].mode & ATTR_WDUMMY) + cx--; + + drawregion(0, 0, term.col, term.row); + + if (!kbds_drawcursor()) + xdrawcursor(cx, term.c.y, term.line[term.c.y][cx], + term.ocx, term.ocy, term.line[term.ocy][term.ocx], + term.line[term.ocy], term.col); + term.ocx = cx; + term.ocy = term.c.y; + xfinishdraw(); + if (ocx != term.ocx || ocy != term.ocy) + xximspot(term.ocx, term.ocy); +} + +void +redraw(void) +{ + tfulldirt(); + draw(); +} diff --git a/st.desktop b/st.desktop new file mode 100644 index 0000000..14a389a --- /dev/null +++ b/st.desktop @@ -0,0 +1,8 @@ +[Desktop Entry] +Name=st +Comment=st is a simple terminal implementation for X +Exec=st +Icon=utilities-terminal +Terminal=false +Type=Application +Categories=System;TerminalEmulator; \ No newline at end of file diff --git a/st.h b/st.h new file mode 100644 index 0000000..351ef82 --- /dev/null +++ b/st.h @@ -0,0 +1,341 @@ +/* See LICENSE for license details. */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* macros */ +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#define MAX(a, b) ((a) < (b) ? (b) : (a)) +#define LEN(a) (sizeof(a) / sizeof(a)[0]) +#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) +#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d)) +#define DEFAULT(a, b) (a) = (a) ? (a) : (b) +#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x) +#define ATTRCMP(a, b) (((a).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) != ((b).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) || \ + (a).fg != (b).fg || \ + (a).bg != (b).bg) +#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \ + (t1.tv_nsec-t2.tv_nsec)/1E6) +#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit))) + +#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b)) +#define IS_TRUECOL(x) (1 << 24 & (x)) +#define HISTSIZE 7500 + +enum glyph_attribute { + ATTR_NULL = 0, + ATTR_SET = 1 << 0, + ATTR_BOLD = 1 << 1, + ATTR_FAINT = 1 << 2, + ATTR_ITALIC = 1 << 3, + ATTR_UNDERLINE = 1 << 4, + ATTR_BLINK = 1 << 5, + ATTR_REVERSE = 1 << 6, + ATTR_INVISIBLE = 1 << 7, + ATTR_STRUCK = 1 << 8, + ATTR_WRAP = 1 << 9, + ATTR_WIDE = 1 << 10, + ATTR_WDUMMY = 1 << 11, + ATTR_SELECTED = 1 << 12, + ATTR_BOXDRAW = 1 << 13, + ATTR_DIRTYUNDERLINE = 1 << 14, + ATTR_LIGA = 1 << 15, + ATTR_SIXEL = 1 << 16, + ATTR_HIGHLIGHT = 1 << 17, + ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT, +}; + +typedef struct _ImageList { + struct _ImageList *next, *prev; + unsigned char *pixels; + void *pixmap; + void *clipmask; + int width; + int height; + int x; + int y; + int reflow_y; + int cols; + int cw; + int ch; + int transparent; +} ImageList; + +enum drawing_mode { + DRAW_NONE = 0, + DRAW_BG = 1 << 0, + DRAW_FG = 1 << 1, +}; + +/* Used to control which screen(s) keybindings and mouse shortcuts apply to. */ +enum screen { + S_PRI = -1, /* primary screen */ + S_ALL = 0, /* both primary and alt screen */ + S_ALT = 1 /* alternate screen */ +}; + +enum selection_mode { + SEL_IDLE = 0, + SEL_EMPTY = 1, + SEL_READY = 2 +}; + +enum selection_type { + SEL_REGULAR = 1, + SEL_RECTANGULAR = 2 +}; + +enum selection_snap { + SNAP_WORD = 1, + SNAP_LINE = 2 +}; + +typedef unsigned char uchar; +typedef unsigned int uint; +typedef unsigned long ulong; +typedef unsigned short ushort; + +typedef uint_least32_t Rune; + +typedef XftDraw *Draw; +typedef XftColor Color; +typedef XftGlyphFontSpec GlyphFontSpec; + +#define Glyph Glyph_ +typedef struct { + Rune u; /* character code */ + uint32_t mode; /* attribute flags */ + uint32_t fg; /* foreground */ + uint32_t bg; /* background */ + int ustyle; /* underline style */ + int ucolor[3]; /* underline color */ +} Glyph; + +typedef Glyph *Line; + +typedef struct { + int ox; + int charlen; + int numspecs; + Glyph base; +} GlyphFontSeq; + +typedef struct { + Glyph attr; /* current char attributes */ + int x; + int y; + char state; +} TCursor; + +/* Internal representation of the screen */ +typedef struct { + int row; /* nb row */ + int col; /* nb col */ + Line *line; /* screen */ + Line *alt; /* alternate screen */ + Line hist[HISTSIZE]; /* history buffer */ + int histi; /* history index */ + int histf; /* nb history available */ + int scr; /* scroll back */ + int wrapcwidth[2]; /* used in updating WRAPNEXT when resizing */ + int *dirty; /* dirtyness of lines */ + TCursor c; /* cursor */ + int ocx; /* old cursor col */ + int ocy; /* old cursor row */ + int top; /* top scroll limit */ + int bot; /* bottom scroll limit */ + int mode; /* terminal mode flags */ + int esc; /* escape state flags */ + char trantbl[4]; /* charset table translation */ + int charset; /* current charset */ + int icharset; /* selected charset for sequence */ + int *tabs; + ImageList *images; /* sixel images */ + ImageList *images_alt; /* sixel images for alternate screen */ + Rune lastc; /* last printed char outside of sequence, 0 if control */ +} Term; + +typedef union { + int i; + uint ui; + float f; + const void *v; + const char *s; +} Arg; + +/* Purely graphic info */ +typedef struct { + int tw, th; /* tty width and height */ + int w, h; /* window width and height */ + int hborderpx, vborderpx; + int ch; /* char height */ + int cw; /* char width */ + int mode; /* window state/mode flags */ + int cursor; /* cursor style */ +} TermWindow; + +typedef struct { + Display *dpy; + Colormap cmap; + Window win; + Drawable buf; + GlyphFontSpec *specbuf; /* font spec buffer used for rendering */ + GlyphFontSeq *specseq; + Atom xembed, wmdeletewin, netwmname, netwmiconname, netwmpid; + struct { + XIM xim; + XIC xic; + XPoint spot; + XVaNestedList spotlist; + } ime; + Draw draw; + Visual *vis; + XSetWindowAttributes attrs; + /* Here, we use the term *pointer* to differentiate the cursor + * one sees when hovering the mouse over the terminal from, e.g., + * a green rectangle where text would be entered. */ + Cursor vpointer, bpointer; /* visible and hidden pointers */ + int pointerisvisible; + Cursor upointer; + int scr; + int isfixed; /* is fixed geometry? */ + int l, t; /* left and top offset */ + int gm; /* geometry mask */ +} XWindow; + +typedef struct { + Atom xtarget; + char *primary, *clipboard; + struct timespec tclick1; + struct timespec tclick2; +} XSelection; + +/* types used in config.h */ +typedef struct { + uint mod; + KeySym keysym; + void (*func)(const Arg *); + const Arg arg; + int screen; +} Shortcut; + +typedef struct { + uint mod; + uint button; + void (*func)(const Arg *); + const Arg arg; + uint release; + int screen; +} MouseShortcut; + +typedef struct { + KeySym k; + uint mask; + char *s; + /* three-valued logic variables: 0 indifferent, 1 on, -1 off */ + signed char appkey; /* application keypad */ + signed char appcursor; /* application cursor */ +} Key; + +/* Font structure */ +#define Font Font_ +typedef struct { + int height; + int width; + int ascent; + int descent; + int badslant; + int badweight; + short lbearing; + short rbearing; + XftFont *match; + FcFontSet *set; + FcPattern *pattern; +} Font; + +/* Drawing Context */ +typedef struct { + Color *col; + size_t collen; + Font font, bfont, ifont, ibfont; + GC gc; +} DC; + +void die(const char *, ...); +void redraw(void); +void draw(void); +void drawregion(int, int, int, int); +void tfulldirt(void); + +void printscreen(const Arg *); +void printsel(const Arg *); +void sendbreak(const Arg *); +void toggleprinter(const Arg *); + +int tattrset(int); +int tisaltscr(void); +void tnew(int, int); +void tresize(int, int); +void tsetdirtattr(int); +void ttyhangup(void); +int ttynew(const char *, char *, const char *, char **); +size_t ttyread(void); +void ttyresize(int, int); +void ttywrite(const char *, size_t, int); + +void resettitle(void); + +void selclear(void); +void selinit(void); +void selremove(void); +void selstart(int, int, int); +void selextend(int, int, int, int); +int selected(int, int); +char *getsel(void); + +size_t utf8encode(Rune, char *); + +void *xmalloc(size_t); +void *xrealloc(void *, size_t); +char *xstrdup(const char *); + +int xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b); + +int isboxdraw(Rune); +ushort boxdrawindex(const Glyph *); +#ifdef XFT_VERSION +/* only exposed to x.c, otherwise we'll need Xft.h for the types */ +void boxdraw_xinit(Display *, Colormap, XftDraw *, Visual *); +void drawboxes(int, int, int, int, XftColor *, XftColor *, const XftGlyphFontSpec *, int); +#endif // XFT_VERSION + +/* config.h globals */ +extern char *utmp; +extern char *scroll; +extern char *stty_args; +extern char *vtiden; +extern wchar_t *worddelimiters; +extern wchar_t *kbds_sdelim; +extern wchar_t *kbds_ldelim; +extern int allowaltscreen; +extern int allowwindowops; +extern char *termname; +extern unsigned int tabspaces; +extern unsigned int defaultfg; +extern unsigned int defaultbg; +extern unsigned int defaultcs; + +extern const int boxdraw, boxdraw_bold, boxdraw_braille; + +extern DC dc; +extern XWindow xw; +extern XSelection xsel; +extern TermWindow win; +extern Term term; diff --git a/st.info b/st.info new file mode 100644 index 0000000..b286fb5 --- /dev/null +++ b/st.info @@ -0,0 +1,252 @@ +st-mono| simpleterm monocolor, +# undercurl patch / UNDERCURL_PATCH + Su, + acsc=+C\,D-A.B0E``aaffgghFiGjjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~, + am, + bce, + bel=^G, + blink=\E[5m, + bold=\E[1m, + cbt=\E[Z, + cvvis=\E[?25h, + civis=\E[?25l, + clear=\E[H\E[2J, + cnorm=\E[?12l\E[?25h, + colors#2, + cols#80, + cr=^M, + csr=\E[%i%p1%d;%p2%dr, + cub=\E[%p1%dD, + cub1=^H, + cud1=^J, + cud=\E[%p1%dB, + cuf1=\E[C, + cuf=\E[%p1%dC, + cup=\E[%i%p1%d;%p2%dH, + cuu1=\E[A, + cuu=\E[%p1%dA, + dch=\E[%p1%dP, + dch1=\E[P, + dim=\E[2m, + dl=\E[%p1%dM, + dl1=\E[M, + ech=\E[%p1%dX, + ed=\E[J, + el=\E[K, + el1=\E[1K, + enacs=\E)0, + E3=\E[3J, + flash=\E[?5h$<80/>\E[?5l, + fsl=^G, + home=\E[H, + hpa=\E[%i%p1%dG, + hs, + ht=^I, + hts=\EH, + ich=\E[%p1%d@, + il1=\E[L, + il=\E[%p1%dL, + ind=^J, + indn=\E[%p1%dS, + invis=\E[8m, + is2=\E[4l\E>\E[?1034l, + it#8, + kel=\E[1;2F, + ked=\E[1;5F, + ka1=\E[1~, + ka3=\E[5~, + kc1=\E[4~, + kc3=\E[6~, + kbs=\177, + kcbt=\E[Z, + kb2=\EOu, + kcub1=\EOD, + kcud1=\EOB, + kcuf1=\EOC, + kcuu1=\EOA, + kDC=\E[3;2~, + kent=\EOM, + kEND=\E[1;2F, + kIC=\E[2;2~, + kNXT=\E[6;2~, + kPRV=\E[5;2~, + kHOM=\E[1;2H, + kLFT=\E[1;2D, + kRIT=\E[1;2C, + kind=\E[1;2B, + kri=\E[1;2A, + kclr=\E[3;5~, + kdl1=\E[3;2~, + kdch1=\E[3~, + kich1=\E[2~, + kend=\E[4~, + kf1=\EOP, + kf2=\EOQ, + kf3=\EOR, + kf4=\EOS, + kf5=\E[15~, + kf6=\E[17~, + kf7=\E[18~, + kf8=\E[19~, + kf9=\E[20~, + kf10=\E[21~, + kf11=\E[23~, + kf12=\E[24~, + kf13=\E[1;2P, + kf14=\E[1;2Q, + kf15=\E[1;2R, + kf16=\E[1;2S, + kf17=\E[15;2~, + kf18=\E[17;2~, + kf19=\E[18;2~, + kf20=\E[19;2~, + kf21=\E[20;2~, + kf22=\E[21;2~, + kf23=\E[23;2~, + kf24=\E[24;2~, + kf25=\E[1;5P, + kf26=\E[1;5Q, + kf27=\E[1;5R, + kf28=\E[1;5S, + kf29=\E[15;5~, + kf30=\E[17;5~, + kf31=\E[18;5~, + kf32=\E[19;5~, + kf33=\E[20;5~, + kf34=\E[21;5~, + kf35=\E[23;5~, + kf36=\E[24;5~, + kf37=\E[1;6P, + kf38=\E[1;6Q, + kf39=\E[1;6R, + kf40=\E[1;6S, + kf41=\E[15;6~, + kf42=\E[17;6~, + kf43=\E[18;6~, + kf44=\E[19;6~, + kf45=\E[20;6~, + kf46=\E[21;6~, + kf47=\E[23;6~, + kf48=\E[24;6~, + kf49=\E[1;3P, + kf50=\E[1;3Q, + kf51=\E[1;3R, + kf52=\E[1;3S, + kf53=\E[15;3~, + kf54=\E[17;3~, + kf55=\E[18;3~, + kf56=\E[19;3~, + kf57=\E[20;3~, + kf58=\E[21;3~, + kf59=\E[23;3~, + kf60=\E[24;3~, + kf61=\E[1;4P, + kf62=\E[1;4Q, + kf63=\E[1;4R, + khome=\E[1~, + kil1=\E[2;5~, + krmir=\E[2;2~, + knp=\E[6~, + kmous=\E[M, + kpp=\E[5~, + lines#24, + mir, + msgr, + npc, + op=\E[39;49m, + pairs#64, + mc0=\E[i, + mc4=\E[4i, + mc5=\E[5i, + rc=\E8, + rev=\E[7m, + ri=\EM, + rin=\E[%p1%dT, + ritm=\E[23m, + rmacs=\E(B, +# CSI 22, 23 patch / CSI_22_23_PATCH +# rmcup=\E[?1049l, + rmcup=\E[?1049l\E[23;0;0t, + rmir=\E[4l, + rmkx=\E[?1l\E>, + rmso=\E[27m, + rmul=\E[24m, + rs1=\Ec, + rs2=\E[4l\E>\E[?1034l, + sc=\E7, + sitm=\E[3m, + sgr0=\E[0m, + smacs=\E(0, +# CSI 22, 23 patch / CSI_22_23_PATCH +# smcup=\E[?1049h, + smcup=\E[?1049h\E[22;0;0t, + smir=\E[4h, + smkx=\E[?1h\E=, + smso=\E[7m, + smul=\E[4m, + tbc=\E[3g, + tsl=\E]0;, + xenl, + vpa=\E[%i%p1%dd, +# XTerm extensions + rmxx=\E[29m, + smxx=\E[9m, + BE=\E[?2004h, + BD=\E[?2004l, + PS=\E[200~, + PE=\E[201~, +# disabled rep for now: causes some issues with older ncurses versions. +# rep=%p1%c\E[%p2%{1}%-%db, +# tmux extensions, see TERMINFO EXTENSIONS in tmux(1) + Tc, + Ms=\E]52;%p1%s;%p2%s\007, + Se=\E[2 q, + Ss=\E[%p1%d q, +# sync patch / SYNC_PATCH + Sync=\EP=%p1%ds\E\\, + +st| simpleterm, + use=st-mono, + colors#8, + setab=\E[4%p1%dm, + setaf=\E[3%p1%dm, + setb=\E[4%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m, + setf=\E[3%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m, + sgr=%?%p9%t\E(0%e\E(B%;\E[0%?%p6%t;1%;%?%p2%t;4%;%?%p1%p3%|%t;7%;%?%p4%t;5%;%?%p7%t;8%;m, + +st-256color| simpleterm with 256 colors, + use=st, + ccc, + colors#256, + oc=\E]104\007, + pairs#32767, +# Nicked from xterm-256color + initc=\E]4;%p1%d;rgb\:%p2%{255}%*%{1000}%/%2.2X/%p3%{255}%*%{1000}%/%2.2X/%p4%{255}%*%{1000}%/%2.2X\E\\, + setab=\E[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e48;5;%p1%d%;m, + setaf=\E[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;m, + +st-meta| simpleterm with meta key, + use=st, + km, + rmm=\E[?1034l, + smm=\E[?1034h, + rs2=\E[4l\E>\E[?1034h, + is2=\E[4l\E>\E[?1034h, + +st-meta-256color| simpleterm with meta key and 256 colors, + use=st-256color, + km, + rmm=\E[?1034l, + smm=\E[?1034h, + rs2=\E[4l\E>\E[?1034h, + is2=\E[4l\E>\E[?1034h, + +st-bs| simpleterm with backspace as backspace, + use=st, + kbs=\010, + kdch1=\177, + +st-bs-256color| simpleterm with backspace as backspace and 256colors, + use=st-256color, + kbs=\010, + kdch1=\177, diff --git a/win.h b/win.h new file mode 100644 index 0000000..83aabea --- /dev/null +++ b/win.h @@ -0,0 +1,46 @@ +/* See LICENSE for license details. */ + +enum win_mode { + MODE_VISIBLE = 1 << 0, + MODE_FOCUSED = 1 << 1, + MODE_APPKEYPAD = 1 << 2, + MODE_MOUSEBTN = 1 << 3, + MODE_MOUSEMOTION = 1 << 4, + MODE_REVERSE = 1 << 5, + MODE_KBDLOCK = 1 << 6, + MODE_HIDE = 1 << 7, + MODE_APPCURSOR = 1 << 8, + MODE_MOUSESGR = 1 << 9, + MODE_8BIT = 1 << 10, + MODE_BLINK = 1 << 11, + MODE_FBLINK = 1 << 12, + MODE_FOCUS = 1 << 13, + MODE_MOUSEX10 = 1 << 14, + MODE_MOUSEMANY = 1 << 15, + MODE_BRCKTPASTE = 1 << 16, + MODE_NUMLOCK = 1 << 17, + MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\ + |MODE_MOUSEMANY, + MODE_PLACEHOLDER = 1 << 18, + MODE_KBDSELECT = 1 << 19, +}; + +void xbell(void); +void xclipcopy(void); +void xdrawcursor(int, int, Glyph, int, int, Glyph, Line, int); +void xdrawline(Line, int, int, int); +void xfinishdraw(void); +void xloadcols(void); +int xsetcolorname(int, const char *); +void xseticontitle(char *); +void xfreetitlestack(void); +void xsettitle(char *, int); +void xpushtitle(void); +int xsetcursor(int); +void xsetmode(int, unsigned int); +void xsetpointermotion(int); +void xsetsel(char *); +int xstartdraw(void); +void xximspot(int, int); +void xclearwin(void); +void xdrawglyph(Glyph, int, int); diff --git a/x.c b/x.c new file mode 100644 index 0000000..6a41bd5 --- /dev/null +++ b/x.c @@ -0,0 +1,2819 @@ +/* See LICENSE for license details. */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +char *argv0; +#include "arg.h" +#include "st.h" +#include "win.h" +#include "hb.h" + +#include +#include "sixel.h" + +/* Undercurl slope types */ +enum undercurl_slope_type { + UNDERCURL_SLOPE_ASCENDING = 0, + UNDERCURL_SLOPE_TOP_CAP = 1, + UNDERCURL_SLOPE_DESCENDING = 2, + UNDERCURL_SLOPE_BOTTOM_CAP = 3 +}; + +/* X modifiers */ +#define XK_ANY_MOD UINT_MAX +#define XK_NO_MOD 0 +#define XK_SWITCH_MOD (1<<13|1<<14) + +/* function definitions used in config.h */ +static void clipcopy(const Arg *); +static void clippaste(const Arg *); +static void numlock(const Arg *); +static void selpaste(const Arg *); +static void ttysend(const Arg *); +static void zoom(const Arg *); +static void zoomabs(const Arg *); +static void zoomreset(const Arg *); + +#include "patch/st_include.h" +#include "patch/x_include.h" + +/* config.h for applying patches and the configuration. */ +#include "config.h" + +/* size of title stack */ +#define TITLESTACKSIZE 8 + +/* XEMBED messages */ +#define XEMBED_FOCUS_IN 4 +#define XEMBED_FOCUS_OUT 5 + +/* macros */ +#define IS_SET(flag) ((win.mode & (flag)) != 0) +#define TRUERED(x) (((x) & 0xff0000) >> 8) +#define TRUEGREEN(x) (((x) & 0xff00)) +#define TRUEBLUE(x) (((x) & 0xff) << 8) + +static inline ushort sixd_to_16bit(int); +static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int); +static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int, int, int); +static inline void xresetfontsettings(uint32_t mode, Font **font, int *frcflags); +void xdrawglyph(Glyph, int, int); +static void xclear(int, int, int, int); +static int xgeommasktogravity(int); +static int ximopen(Display *); +static void ximinstantiate(Display *, XPointer, XPointer); +static void ximdestroy(XIM, XPointer, XPointer); +static int xicdestroy(XIC, XPointer, XPointer); +static void xinit(int, int); +static void cresize(int, int); +static void xresize(int, int); +static void xhints(void); +static int xloadcolor(int, const char *, Color *); +static int xloadfont(Font *, FcPattern *); +static void xloadfonts(const char *, double); +static void xunloadfont(Font *); +static void xunloadfonts(void); +static void xsetenv(void); +static void xseturgency(int); +static int evcol(XEvent *); +static int evrow(XEvent *); + +static void expose(XEvent *); +static void visibility(XEvent *); +static void unmap(XEvent *); +static void kpress(XEvent *); +static void cmessage(XEvent *); +static void resize(XEvent *); +static void focus(XEvent *); +static uint buttonmask(uint); +static void brelease(XEvent *); +static void bpress(XEvent *); +static void bmotion(XEvent *); +static void propnotify(XEvent *); +static void selnotify(XEvent *); +static void selclear_(XEvent *); +static void selrequest(XEvent *); +static void setsel(char *, Time); +static int mouseaction(XEvent *, uint); +static void mousesel(XEvent *, int); +static void mousereport(XEvent *); +static char *kmap(KeySym, uint); +static int match(uint, uint); + +static void run(void); +static void usage(void); + +static void (*handler[LASTEvent])(XEvent *) = { + [KeyPress] = kpress, + [ClientMessage] = cmessage, + [ConfigureNotify] = resize, + [VisibilityNotify] = visibility, + [UnmapNotify] = unmap, + [Expose] = expose, + [FocusIn] = focus, + [FocusOut] = focus, + [MotionNotify] = bmotion, + [ButtonPress] = bpress, + [ButtonRelease] = brelease, +/* + * Uncomment if you want the selection to disappear when you select something + * different in another window. + */ +/* [SelectionClear] = selclear_, */ + [SelectionNotify] = selnotify, +/* + * PropertyNotify is only turned on when there is some INCR transfer happening + * for the selection retrieval. + */ + [PropertyNotify] = propnotify, + [SelectionRequest] = selrequest, +}; + +/* Globals */ +Term term; +DC dc; +XWindow xw; +XSelection xsel; +TermWindow win; + +static int tstki; /* title stack index */ +static char *titlestack[TITLESTACKSIZE]; /* title stack */ + +/* Font Ring Cache */ +enum { + FRC_NORMAL, + FRC_ITALIC, + FRC_BOLD, + FRC_ITALICBOLD +}; + +typedef struct { + XftFont *font; + int flags; + Rune unicodep; +} Fontcache; + +/* Fontcache is an array now. A new font will be appended to the array. */ +static Fontcache *frc = NULL; +static int frclen = 0; +static int frccap = 0; +static char *usedfont = NULL; +static double usedfontsize = 0; +static double defaultfontsize = 0; + +static char *opt_class = "St"; +static char **opt_cmd = NULL; +static char *opt_embed = NULL; +static char *opt_font = NULL; +static char *opt_io = NULL; +static char *opt_line = NULL; +static char *opt_name = "st"; +static char *opt_title = NULL; +static char *opt_dir = NULL; + +static uint buttons; /* bit field of pressed buttons */ +static int cursorblinks = 0; +static Cursor cursor; +static XColor xmousefg, xmousebg; + +#include "patch/x_include.c" + +void +clipcopy(const Arg *dummy) +{ + Atom clipboard; + + free(xsel.clipboard); + xsel.clipboard = NULL; + + if (xsel.primary != NULL) { + xsel.clipboard = xstrdup(xsel.primary); + clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); + XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime); + } +} + +void +clippaste(const Arg *dummy) +{ + Atom clipboard; + + if (IS_SET(MODE_KBDSELECT) && !kbds_issearchmode()) + return; + + clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); + XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard, + xw.win, CurrentTime); +} + +void +numlock(const Arg *dummy) +{ + win.mode ^= MODE_NUMLOCK; +} + +void +selpaste(const Arg *dummy) +{ + if (IS_SET(MODE_KBDSELECT) && !kbds_issearchmode()) + return; + + XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY, + xw.win, CurrentTime); +} + +void +ttysend(const Arg *arg) +{ + ttywrite(arg->s, strlen(arg->s), 1); +} + +void +zoom(const Arg *arg) +{ + Arg larg; + + larg.f = usedfontsize + arg->f; + if (larg.f >= 1.0) + zoomabs(&larg); +} + +void +zoomabs(const Arg *arg) +{ + ImageList *im; + + xunloadfonts(); + xloadfonts(usedfont, arg->f); + xloadsparefonts(); + + /* deleting old pixmaps forces the new scaled pixmaps to be created */ + for (im = term.images; im; im = im->next) { + if (im->pixmap) + XFreePixmap(xw.dpy, (Drawable)im->pixmap); + if (im->clipmask) + XFreePixmap(xw.dpy, (Drawable)im->clipmask); + im->pixmap = NULL; + im->clipmask = NULL; + } + + cresize(0, 0); + redraw(); + xhints(); +} + +void +zoomreset(const Arg *arg) +{ + Arg larg; + + if (defaultfontsize > 0) { + larg.f = defaultfontsize; + zoomabs(&larg); + } +} + +int +evcol(XEvent *e) +{ + int x = e->xbutton.x - win.hborderpx; + LIMIT(x, 0, win.tw - 1); + return x / win.cw; +} + +int +evrow(XEvent *e) +{ + int y = e->xbutton.y - win.vborderpx; + LIMIT(y, 0, win.th - 1); + return y / win.ch; +} + +uint +buttonmask(uint button) +{ + return button == Button1 ? Button1Mask + : button == Button2 ? Button2Mask + : button == Button3 ? Button3Mask + : button == Button4 ? Button4Mask + : button == Button5 ? Button5Mask + : 0; +} + +int +mouseaction(XEvent *e, uint release) +{ + MouseShortcut *ms; + int screen = tisaltscr() ? S_ALT : S_PRI; + + /* ignore Buttonmask for Button - it's set on release */ + uint state = e->xbutton.state & ~buttonmask(e->xbutton.button); + + for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) { + if (ms->release == release && + ms->button == e->xbutton.button && + (!ms->screen || (ms->screen == screen)) && + (match(ms->mod, state) || /* exact or forced */ + match(ms->mod, state & ~forcemousemod))) { + ms->func(&(ms->arg)); + return 1; + } + } + + return 0; +} + +void +mousesel(XEvent *e, int done) +{ + int type, seltype = SEL_REGULAR; + uint state = e->xbutton.state & ~(Button1Mask | forcemousemod); + + if (kbds_isselectmode()) + return; + + for (type = 1; type < LEN(selmasks); ++type) { + if (match(selmasks[type], state)) { + seltype = type; + break; + } + } + selextend(evcol(e), evrow(e), seltype, done); + if (done) + setsel(getsel(), e->xbutton.time); +} + +void +mousereport(XEvent *e) +{ + int len, btn, code; + int x = evcol(e), y = evrow(e); + int state = e->xbutton.state; + char buf[40]; + static int ox, oy; + + if (e->type == MotionNotify) { + if (x == ox && y == oy) + return; + if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY)) + return; + /* MODE_MOUSEMOTION: no reporting if no button is pressed */ + if (IS_SET(MODE_MOUSEMOTION) && buttons == 0) + return; + + /* Set btn to lowest-numbered pressed button, or 12 if no + * buttons are pressed. */ + for (btn = 1; btn <= 11 && !(buttons & (1<<(btn-1))); btn++) + ; + code = 32; + } else { + btn = e->xbutton.button; + /* Only buttons 1 through 11 can be encoded */ + if (btn < 1 || btn > 11) + return; + if (e->type == ButtonRelease) { + /* MODE_MOUSEX10: no button release reporting */ + if (IS_SET(MODE_MOUSEX10)) + return; + /* Don't send release events for the scroll wheel */ + if (btn == 4 || btn == 5) + return; + } + code = 0; + } + + ox = x; + oy = y; + + /* Encode btn into code. If no button is pressed for a motion event in + * MODE_MOUSEMANY, then encode it as a release. */ + if ((!IS_SET(MODE_MOUSESGR) && e->type == ButtonRelease) || btn == 12) + code += 3; + else if (btn >= 8) + code += 128 + btn - 8; + else if (btn >= 4) + code += 64 + btn - 4; + else + code += btn - 1; + + if (!IS_SET(MODE_MOUSEX10)) { + code += ((state & ShiftMask ) ? 4 : 0) + + ((state & Mod1Mask ) ? 8 : 0) /* meta key: alt */ + + ((state & ControlMask) ? 16 : 0); + } + + if (IS_SET(MODE_MOUSESGR)) { + len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c", + code, x+1, y+1, + e->type == ButtonRelease ? 'm' : 'M'); + } else if (x < 223 && y < 223) { + len = snprintf(buf, sizeof(buf), "\033[M%c%c%c", + 32+code, 32+x+1, 32+y+1); + } else { + return; + } + + ttywrite(buf, len, 0); +} + +void +bpress(XEvent *e) +{ + int btn = e->xbutton.button; + struct timespec now; + int snap; + + if (1 <= btn && btn <= 11) + buttons |= 1 << (btn-1); + + if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) { + mousereport(e); + return; + } + + if (mouseaction(e, 0)) + return; + + if (btn == Button1) { + /* + * If the user clicks below predefined timeouts specific + * snapping behaviour is exposed. + */ + clock_gettime(CLOCK_MONOTONIC, &now); + if (TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout) { + snap = SNAP_LINE; + } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) { + snap = SNAP_WORD; + } else { + snap = 0; + } + xsel.tclick2 = xsel.tclick1; + xsel.tclick1 = now; + + if (kbds_isselectmode()) + return; + + selstart(evcol(e), evrow(e), snap); + + clearurl(); + url_click = 1; + } +} + +void +propnotify(XEvent *e) +{ + XPropertyEvent *xpev; + Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); + + xpev = &e->xproperty; + if (xpev->state == PropertyNewValue && + (xpev->atom == XA_PRIMARY || + xpev->atom == clipboard)) { + selnotify(e); + } + +} + +void +selnotify(XEvent *e) +{ + ulong nitems, ofs, rem; + int format; + uchar *data, *last, *repl; + Atom type, incratom, property = None; + int append = 0; + + incratom = XInternAtom(xw.dpy, "INCR", 0); + + ofs = 0; + if (e->type == SelectionNotify) + property = e->xselection.property; + else if (e->type == PropertyNotify) + property = e->xproperty.atom; + + if (property == None) + return; + + do { + if (XGetWindowProperty(xw.dpy, xw.win, property, ofs, + BUFSIZ/4, False, AnyPropertyType, + &type, &format, &nitems, &rem, + &data)) { + fprintf(stderr, "Clipboard allocation failed\n"); + return; + } + + if (e->type == PropertyNotify && nitems == 0 && rem == 0) + { + /* + * If there is some PropertyNotify with no data, then + * this is the signal of the selection owner that all + * data has been transferred. We won't need to receive + * PropertyNotify events anymore. + */ + MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask); + XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, + &xw.attrs); + } + + if (type == incratom) { + /* + * Activate the PropertyNotify events so we receive + * when the selection owner does send us the next + * chunk of data. + */ + MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask); + XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, + &xw.attrs); + + /* + * Deleting the property is the transfer start signal. + */ + XDeleteProperty(xw.dpy, xw.win, (int)property); + continue; + } + + if (IS_SET(MODE_KBDSELECT) && kbds_issearchmode()) { + kbds_pasteintosearch(data, nitems * format / 8, append++); + } else { + /* + * As seen in getsel: + * Line endings are inconsistent in the terminal and GUI world + * copy and pasting. When receiving some selection data, + * replace all '\n' with '\r'. + * FIXME: Fix the computer world. + */ + repl = data; + last = data + nitems * format / 8; + while ((repl = memchr(repl, '\n', last - repl))) { + *repl++ = '\r'; + } + + if (IS_SET(MODE_BRCKTPASTE) && ofs == 0) + ttywrite("\033[200~", 6, 0); + ttywrite((char *)data, nitems * format / 8, 1); + if (IS_SET(MODE_BRCKTPASTE) && rem == 0) + ttywrite("\033[201~", 6, 0); + } + XFree(data); + /* number of 32-bit chunks returned */ + ofs += nitems * format / 32; + } while (rem > 0); + + /* + * Deleting the property again tells the selection owner to send the + * next data chunk in the property. + */ + XDeleteProperty(xw.dpy, xw.win, (int)property); +} + +void +xclipcopy(void) +{ + clipcopy(NULL); +} + +void +selclear_(XEvent *e) +{ + selclear(); +} + +void +selrequest(XEvent *e) +{ + XSelectionRequestEvent *xsre; + XSelectionEvent xev; + Atom xa_targets, string, clipboard; + char *seltext; + + xsre = (XSelectionRequestEvent *) e; + xev.type = SelectionNotify; + xev.requestor = xsre->requestor; + xev.selection = xsre->selection; + xev.target = xsre->target; + xev.time = xsre->time; + if (xsre->property == None) + xsre->property = xsre->target; + + /* reject */ + xev.property = None; + + xa_targets = XInternAtom(xw.dpy, "TARGETS", 0); + if (xsre->target == xa_targets) { + /* respond with the supported type */ + string = xsel.xtarget; + XChangeProperty(xsre->display, xsre->requestor, xsre->property, + XA_ATOM, 32, PropModeReplace, + (uchar *) &string, 1); + xev.property = xsre->property; + } else if (xsre->target == xsel.xtarget || xsre->target == XA_STRING) { + /* + * xith XA_STRING non ascii characters may be incorrect in the + * requestor. It is not our problem, use utf8. + */ + clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); + if (xsre->selection == XA_PRIMARY) { + seltext = xsel.primary; + } else if (xsre->selection == clipboard) { + seltext = xsel.clipboard; + } else { + fprintf(stderr, + "Unhandled clipboard selection 0x%lx\n", + xsre->selection); + return; + } + if (seltext != NULL) { + XChangeProperty(xsre->display, xsre->requestor, + xsre->property, xsre->target, + 8, PropModeReplace, + (uchar *)seltext, strlen(seltext)); + xev.property = xsre->property; + } + } + + /* all done, send a notification to the listener */ + if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev)) + fprintf(stderr, "Error sending SelectionNotify event\n"); +} + +void +setsel(char *str, Time t) +{ + if (!str) + return; + + free(xsel.primary); + xsel.primary = str; + + XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t); + if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win) + selclear(); + +} + +void +xsetsel(char *str) +{ + setsel(str, CurrentTime); +} + +void +brelease(XEvent *e) +{ + int btn = e->xbutton.button; + + if (1 <= btn && btn <= 11) + buttons &= ~(1 << (btn-1)); + + if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) { + mousereport(e); + return; + } + + if (mouseaction(e, 1)) + return; + + if (btn == Button1) { + mousesel(e, 1); + if (url_click && e->xkey.state & url_opener_modkey) + openUrlOnClick(evcol(e), evrow(e), url_opener); + } + +} + +void +bmotion(XEvent *e) +{ + if (!xw.pointerisvisible) { + if (win.mode & MODE_MOUSE) + XUndefineCursor(xw.dpy, xw.win); + else + XDefineCursor(xw.dpy, xw.win, xw.vpointer); + xw.pointerisvisible = 1; + if (!IS_SET(MODE_MOUSEMANY)) + xsetpointermotion(0); + } + if (!IS_SET(MODE_MOUSE)) { + if (!(e->xbutton.state & Button1Mask) && detecturl(evcol(e), evrow(e), 1)) + XDefineCursor(xw.dpy, xw.win, xw.upointer); + else + XDefineCursor(xw.dpy, xw.win, xw.vpointer); + } + url_click = 0; + + if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) { + mousereport(e); + return; + } + + mousesel(e, 0); +} + +void +cresize(int width, int height) +{ + int col, row; + + if (width != 0) + win.w = width; + if (height != 0) + win.h = height; + + col = (win.w - 2 * borderpx) / win.cw; + row = (win.h - 2 * borderpx) / win.ch; + col = MAX(2, col); + row = MAX(1, row); + + win.hborderpx = (win.w - col * win.cw) / 2; + win.vborderpx = (win.h - row * win.ch) / 2; + + tresize(col, row); + xresize(col, row); + ttyresize(win.tw, win.th); +} + +void +xresize(int col, int row) +{ + win.tw = col * win.cw; + win.th = row * win.ch; + + XFreePixmap(xw.dpy, xw.buf); + xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, + DefaultDepth(xw.dpy, xw.scr) + ); + XftDrawChange(xw.draw, xw.buf); + xclear(0, 0, win.w, win.h); + + /* resize to new width */ + xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec) * 4); + xw.specseq = xrealloc(xw.specseq, col * sizeof(GlyphFontSeq)); +} + +ushort +sixd_to_16bit(int x) +{ + return x == 0 ? 0 : 0x3737 + 0x2828 * x; +} + +int +xloadcolor(int i, const char *name, Color *ncolor) +{ + XRenderColor color = { .alpha = 0xffff }; + + if (!name) { + if (BETWEEN(i, 16, 255)) { /* 256 color */ + if (i < 6*6*6+16) { /* same colors as xterm */ + color.red = sixd_to_16bit( ((i-16)/36)%6 ); + color.green = sixd_to_16bit( ((i-16)/6) %6 ); + color.blue = sixd_to_16bit( ((i-16)/1) %6 ); + } else { /* greyscale */ + color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16)); + color.green = color.blue = color.red; + } + return XftColorAllocValue(xw.dpy, xw.vis, + xw.cmap, &color, ncolor); + } else + name = colorname[i]; + } + + return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor); +} + +void +xloadcols(void) +{ + int i; + static int loaded; + Color *cp; + + if (loaded) { + for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp) + XftColorFree(xw.dpy, xw.vis, xw.cmap, cp); + } else { + dc.collen = MAX(LEN(colorname), 256); + dc.col = xmalloc(dc.collen * sizeof(Color)); + } + + for (i = 0; i < dc.collen; i++) + if (!xloadcolor(i, NULL, &dc.col[i])) { + if (colorname[i]) + die("could not allocate color '%s'\n", colorname[i]); + else + die("could not allocate color %d\n", i); + } + loaded = 1; +} + +int +xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b) +{ + if (!BETWEEN(x, 0, dc.collen - 1)) + return 1; + + *r = dc.col[x].color.red >> 8; + *g = dc.col[x].color.green >> 8; + *b = dc.col[x].color.blue >> 8; + + return 0; +} + +int +xsetcolorname(int x, const char *name) +{ + Color ncolor; + + if (!BETWEEN(x, 0, dc.collen - 1)) + return 1; + + if (!xloadcolor(x, name, &ncolor)) + return 1; + + XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]); + dc.col[x] = ncolor; + + return 0; +} + +/* + * Absolute coordinates. + */ +void +xclear(int x1, int y1, int x2, int y2) +{ + XftDrawRect(xw.draw, + &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg], + x1, y1, x2-x1, y2-y1); +} + +void +xclearwin(void) +{ + xclear(0, 0, win.w, win.h); +} + +void +xhints(void) +{ + XClassHint class = {opt_name ? opt_name : termname, + opt_class ? opt_class : termname}; + XWMHints wm = {.flags = InputHint, .input = 1}; + XSizeHints *sizeh; + + sizeh = XAllocSizeHints(); + + sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize; + sizeh->height = win.h; + sizeh->width = win.w; + sizeh->height_inc = 1; + sizeh->width_inc = 1; + sizeh->base_height = 2 * borderpx; + sizeh->base_width = 2 * borderpx; + sizeh->min_height = win.ch + 2 * borderpx; + sizeh->min_width = win.cw + 2 * borderpx; + if (xw.isfixed) { + sizeh->flags |= PMaxSize; + sizeh->min_width = sizeh->max_width = win.w; + sizeh->min_height = sizeh->max_height = win.h; + } + if (xw.gm & (XValue|YValue)) { + sizeh->flags |= USPosition | PWinGravity; + sizeh->x = xw.l; + sizeh->y = xw.t; + sizeh->win_gravity = xgeommasktogravity(xw.gm); + } + + XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, + &class); + XFree(sizeh); +} + +int +xgeommasktogravity(int mask) +{ + switch (mask & (XNegative|YNegative)) { + case 0: + return NorthWestGravity; + case XNegative: + return NorthEastGravity; + case YNegative: + return SouthWestGravity; + } + + return SouthEastGravity; +} + +int +ximopen(Display *dpy) +{ + XIMCallback imdestroy = { .client_data = NULL, .callback = ximdestroy }; + XICCallback icdestroy = { .client_data = NULL, .callback = xicdestroy }; + + xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL); + if (xw.ime.xim == NULL) + return 0; + + if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &imdestroy, NULL)) + fprintf(stderr, "XSetIMValues: " + "Could not set XNDestroyCallback.\n"); + + xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime.spot, + NULL); + + if (xw.ime.xic == NULL) { + xw.ime.xic = XCreateIC(xw.ime.xim, XNInputStyle, + XIMPreeditNothing | XIMStatusNothing, + XNClientWindow, xw.win, + XNDestroyCallback, &icdestroy, + NULL); + } + if (xw.ime.xic == NULL) + fprintf(stderr, "XCreateIC: Could not create input context.\n"); + + return 1; +} + +void +ximinstantiate(Display *dpy, XPointer client, XPointer call) +{ + if (ximopen(dpy)) + XUnregisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, + ximinstantiate, NULL); +} + +void +ximdestroy(XIM xim, XPointer client, XPointer call) +{ + xw.ime.xim = NULL; + XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, + ximinstantiate, NULL); + XFree(xw.ime.spotlist); +} + +int +xicdestroy(XIC xim, XPointer client, XPointer call) +{ + xw.ime.xic = NULL; + return 1; +} + +int +xloadfont(Font *f, FcPattern *pattern) +{ + FcPattern *configured; + FcPattern *match; + FcResult result; + XGlyphInfo extents; + int wantattr, haveattr; + + /* + * Manually configure instead of calling XftMatchFont + * so that we can use the configured pattern for + * "missing glyph" lookups. + */ + configured = FcPatternDuplicate(pattern); + if (!configured) + return 1; + + FcConfigSubstitute(NULL, configured, FcMatchPattern); + XftDefaultSubstitute(xw.dpy, xw.scr, configured); + + match = XftFontMatch(xw.dpy, xw.scr, pattern, &result); + if (!match) { + FcPatternDestroy(configured); + return 1; + } + + if (!(f->match = XftFontOpenPattern(xw.dpy, match))) { + FcPatternDestroy(configured); + FcPatternDestroy(match); + return 1; + } + + if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) == + XftResultMatch)) { + /* + * Check if xft was unable to find a font with the appropriate + * slant but gave us one anyway. Try to mitigate. + */ + if ((XftPatternGetInteger(f->match->pattern, "slant", 0, + &haveattr) != XftResultMatch) || haveattr < wantattr) { + f->badslant = 1; + fputs("font slant does not match\n", stderr); + } + } + + if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) == + XftResultMatch)) { + if ((XftPatternGetInteger(f->match->pattern, "weight", 0, + &haveattr) != XftResultMatch) || haveattr != wantattr) { + f->badweight = 1; + fputs("font weight does not match\n", stderr); + } + } + + XftTextExtentsUtf8(xw.dpy, f->match, + (const FcChar8 *) ascii_printable, + strlen(ascii_printable), &extents); + + f->set = NULL; + f->pattern = configured; + + f->ascent = f->match->ascent; + f->descent = f->match->descent; + f->lbearing = 0; + f->rbearing = f->match->max_advance_width; + + f->height = f->ascent + f->descent; + f->width = DIVCEIL(extents.xOff, strlen(ascii_printable)); + + return 0; +} + +void +xloadfonts(const char *fontstr, double fontsize) +{ + FcPattern *pattern; + double fontval; + + if (fontstr[0] == '-') + pattern = XftXlfdParse(fontstr, False, False); + else + pattern = FcNameParse((const FcChar8 *)fontstr); + + if (!pattern) + die("can't open font %s\n", fontstr); + + if (fontsize > 1) { + FcPatternDel(pattern, FC_PIXEL_SIZE); + FcPatternDel(pattern, FC_SIZE); + FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize); + usedfontsize = fontsize; + } else { + if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) == + FcResultMatch) { + usedfontsize = fontval; + } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) == + FcResultMatch) { + usedfontsize = -1; + } else { + /* + * Default font size is 12, if none given. This is to + * have a known usedfontsize value. + */ + FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12); + usedfontsize = 12; + } + defaultfontsize = usedfontsize; + } + + if (xloadfont(&dc.font, pattern)) + die("can't open font %s\n", fontstr); + + if (usedfontsize < 0) { + FcPatternGetDouble(dc.font.match->pattern, + FC_PIXEL_SIZE, 0, &fontval); + usedfontsize = fontval; + if (fontsize == 0) + defaultfontsize = fontval; + } + + /* Setting character width and height. */ + win.cw = ceilf(dc.font.width * cwscale); + win.ch = ceilf(dc.font.height * chscale); + + FcPatternDel(pattern, FC_SLANT); + FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC); + if (xloadfont(&dc.ifont, pattern)) + die("can't open font %s\n", fontstr); + + FcPatternDel(pattern, FC_WEIGHT); + FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD); + if (xloadfont(&dc.ibfont, pattern)) + die("can't open font %s\n", fontstr); + + FcPatternDel(pattern, FC_SLANT); + FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN); + if (xloadfont(&dc.bfont, pattern)) + die("can't open font %s\n", fontstr); + + FcPatternDestroy(pattern); +} + +void +xunloadfont(Font *f) +{ + XftFontClose(xw.dpy, f->match); + FcPatternDestroy(f->pattern); + if (f->set) + FcFontSetDestroy(f->set); +} + +void +xunloadfonts(void) +{ + /* Clear Harfbuzz font cache. */ + hbunloadfonts(); + + /* Free the loaded fonts in the font cache. */ + while (frclen > 0) + XftFontClose(xw.dpy, frc[--frclen].font); + + xunloadfont(&dc.font); + xunloadfont(&dc.bfont); + xunloadfont(&dc.ifont); + xunloadfont(&dc.ibfont); +} + +void +xinit(int cols, int rows) +{ + XGCValues gcvalues; + Pixmap blankpm; + Window parent; + pid_t thispid = getpid(); + + if (!(xw.dpy = XOpenDisplay(NULL))) + die("can't open display\n"); + xw.scr = XDefaultScreen(xw.dpy); + + xw.vis = XDefaultVisual(xw.dpy, xw.scr); + + /* font */ + if (!FcInit()) + die("could not init fontconfig.\n"); + + usedfont = (opt_font == NULL)? font : opt_font; + xloadfonts(usedfont, 0); + + /* spare fonts */ + xloadsparefonts(); + + /* colors */ + xw.cmap = XDefaultColormap(xw.dpy, xw.scr); + xloadcols(); + + /* adjust fixed window geometry */ + win.w = 2 * win.hborderpx + cols * win.cw; + win.h = 2 * win.vborderpx + rows * win.ch; + if (xw.gm & XNegative) + xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2; + if (xw.gm & YNegative) + xw.t += DisplayHeight(xw.dpy, xw.scr) - win.h - 2; + + /* Events */ + xw.attrs.background_pixel = dc.col[defaultbg].pixel; + xw.attrs.border_pixel = dc.col[defaultbg].pixel; + xw.attrs.bit_gravity = NorthWestGravity; + xw.attrs.event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask + | ExposureMask | VisibilityChangeMask | StructureNotifyMask + | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask + ; + xw.attrs.colormap = xw.cmap; + xw.attrs.event_mask |= PointerMotionMask; + + if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) + parent = XRootWindow(xw.dpy, xw.scr); + xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t, + win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, + xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity + | CWEventMask | CWColormap, &xw.attrs); + + memset(&gcvalues, 0, sizeof(gcvalues)); + gcvalues.graphics_exposures = False; + + dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures, + &gcvalues); + xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, + DefaultDepth(xw.dpy, xw.scr)); + XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel); + XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h); + + /* font spec buffer */ + xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec) * 4); + xw.specseq = xmalloc(cols * sizeof(GlyphFontSeq)); + + /* Xft rendering context */ + xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap); + + /* input methods */ + if (!ximopen(xw.dpy)) { + XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, + ximinstantiate, NULL); + } + + /* white cursor, black outline */ + xw.pointerisvisible = 1; + xw.vpointer = XCreateFontCursor(xw.dpy, mouseshape); + XDefineCursor(xw.dpy, xw.win, xw.vpointer); + + if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) { + xmousefg.red = 0xffff; + xmousefg.green = 0xffff; + xmousefg.blue = 0xffff; + } + + if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) { + xmousebg.red = 0x0000; + xmousebg.green = 0x0000; + xmousebg.blue = 0x0000; + } + + XRecolorCursor(xw.dpy, xw.vpointer, &xmousefg, &xmousebg); + blankpm = XCreateBitmapFromData(xw.dpy, xw.win, &(char){0}, 1, 1); + xw.bpointer = XCreatePixmapCursor(xw.dpy, blankpm, blankpm, + &xmousefg, &xmousebg, 0, 0); + + xw.upointer = XCreateFontCursor(xw.dpy, XC_hand2); + + xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False); + xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False); + xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False); + xw.netwmiconname = XInternAtom(xw.dpy, "_NET_WM_ICON_NAME", False); + XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1); + + xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False); + XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32, + PropModeReplace, (uchar *)&thispid, 1); + + win.mode = MODE_NUMLOCK; + resettitle(); + xhints(); + XMapWindow(xw.dpy, xw.win); + XSync(xw.dpy, False); + + clock_gettime(CLOCK_MONOTONIC, &xsel.tclick1); + clock_gettime(CLOCK_MONOTONIC, &xsel.tclick2); + xsel.primary = NULL; + xsel.clipboard = NULL; + xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0); + if (xsel.xtarget == None) + xsel.xtarget = XA_STRING; + + boxdraw_xinit(xw.dpy, xw.cmap, xw.draw, xw.vis); +} + +void +xresetfontsettings(uint32_t mode, Font **font, int *frcflags) +{ + *font = &dc.font; + if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) { + *font = &dc.ibfont; + *frcflags = FRC_ITALICBOLD; + } else if (mode & ATTR_ITALIC) { + *font = &dc.ifont; + *frcflags = FRC_ITALIC; + } else if (mode & ATTR_BOLD) { + *font = &dc.bfont; + *frcflags = FRC_BOLD; + } +} + +int +xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y) +{ + float winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch, xp, yp; + ushort mode, prevmode = USHRT_MAX; + Font *font = &dc.font; + int frcflags = FRC_NORMAL; + float runewidth = win.cw * ((glyphs[0].mode & ATTR_WIDE) ? 2.0f : 1.0f); + Rune rune; + FT_UInt glyphidx; + FcResult fcres; + FcPattern *fcpattern, *fontpattern; + FcFontSet *fcsets[] = { NULL }; + FcCharSet *fccharset; + int i, f, numspecs = 0; + float cluster_xp, cluster_yp; + HbTransformData shaped; + + /* Initial values. */ + xresetfontsettings(glyphs[0].mode, &font, &frcflags); + xp = winx, yp = winy + font->ascent; + cluster_xp = xp; cluster_yp = yp; + /* Shape the segment. */ + hbtransform(&shaped, font->match, glyphs, 0, len); + + for (int code_idx = 0; code_idx < shaped.count; code_idx++) + { + /* Fetch rune and mode for current glyph. */ + int idx = shaped.glyphs[code_idx].cluster; + + /* Skip dummy wide-character spacing. */ + if (glyphs[idx].mode & ATTR_WDUMMY) + continue; + + /* Advance the drawing cursor if we've moved to a new cluster */ + if (code_idx > 0 && idx != shaped.glyphs[code_idx - 1].cluster) { + xp += runewidth; + cluster_xp = xp; + cluster_yp = yp; + } + + if (glyphs[idx].mode & ATTR_BOXDRAW) { + /* minor shoehorning: boxdraw uses only this ushort */ + specs[numspecs].font = font->match; + specs[numspecs].glyph = boxdrawindex(&glyphs[idx]); + specs[numspecs].x = xp; + specs[numspecs].y = yp; + numspecs++; + } else if (shaped.glyphs[code_idx].codepoint != 0) { + /* If symbol is found, put it into the specs. */ + specs[numspecs].font = font->match; + specs[numspecs].glyph = shaped.glyphs[code_idx].codepoint; + specs[numspecs].x = cluster_xp + (short)(shaped.positions[code_idx].x_offset / 64.); + specs[numspecs].y = cluster_yp - (short)(shaped.positions[code_idx].y_offset / 64.); + cluster_xp += shaped.positions[code_idx].x_advance / 64.; + cluster_yp += shaped.positions[code_idx].y_advance / 64.; + numspecs++; + } else { + /* If it's not found, try to fetch it through the font cache. */ + rune = glyphs[idx].u; + for (f = 0; f < frclen; f++) { + glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune); + /* Everything correct. */ + if (glyphidx && frc[f].flags == frcflags) + break; + /* We got a default font for a not found glyph. */ + if (!glyphidx && frc[f].flags == frcflags + && frc[f].unicodep == rune) { + break; + } + } + + /* Nothing was found. Use fontconfig to find matching font. */ + if (f >= frclen) { + if (!font->set) + font->set = FcFontSort(0, font->pattern, 1, 0, &fcres); + fcsets[0] = font->set; + + /* + * Nothing was found in the cache. Now use + * some dozen of Fontconfig calls to get the + * font for one single character. + * + * Xft and fontconfig are design failures. + */ + fcpattern = FcPatternDuplicate(font->pattern); + fccharset = FcCharSetCreate(); + + FcCharSetAddChar(fccharset, rune); + FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset); + FcPatternAddBool(fcpattern, FC_SCALABLE, 1); + + FcConfigSubstitute(0, fcpattern, FcMatchPattern); + FcDefaultSubstitute(fcpattern); + + fontpattern = FcFontSetMatch(0, fcsets, 1, fcpattern, &fcres); + + /* Allocate memory for the new cache entry. */ + if (frclen >= frccap) { + frccap += 16; + frc = xrealloc(frc, frccap * sizeof(Fontcache)); + } + + frc[frclen].font = XftFontOpenPattern(xw.dpy, fontpattern); + if (!frc[frclen].font) + die("XftFontOpenPattern failed seeking fallback font: %s\n", + strerror(errno)); + frc[frclen].flags = frcflags; + frc[frclen].unicodep = rune; + + glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune); + + f = frclen; + frclen++; + + FcPatternDestroy(fcpattern); + FcCharSetDestroy(fccharset); + } + + specs[numspecs].font = frc[f].font; + specs[numspecs].glyph = glyphidx; + specs[numspecs].x = (short)xp; + specs[numspecs].y = (short)yp; + numspecs++; + } + } + + return numspecs; +} + +static int isSlopeRising (int x, int iPoint, int waveWidth) +{ + // . . . . + // / \ / \ / \ / \ + // / \ / \ / \ / \ + // . . . . . + + // Find absolute `x` of point + x += iPoint * (waveWidth/2); + + // Find index of absolute wave + int absSlope = x / ((float)waveWidth/2); + + return (absSlope % 2); +} + +static int getSlope (int x, int iPoint, int waveWidth) +{ + // Sizes: Caps are half width of slopes + // 1_2 1_2 1_2 1_2 + // / \ / \ / \ / \ + // / \ / \ / \ / \ + // 0 3_0 3_0 3_0 3_ + // <2-> <1> <---6----> + + // Find type of first point + int firstType; + x -= (x / waveWidth) * waveWidth; + if (x < (waveWidth * (2.f/6.f))) + firstType = UNDERCURL_SLOPE_ASCENDING; + else if (x < (waveWidth * (3.f/6.f))) + firstType = UNDERCURL_SLOPE_TOP_CAP; + else if (x < (waveWidth * (5.f/6.f))) + firstType = UNDERCURL_SLOPE_DESCENDING; + else + firstType = UNDERCURL_SLOPE_BOTTOM_CAP; + + // Find type of given point + int pointType = (iPoint % 4); + pointType += firstType; + pointType %= 4; + + return pointType; +} + +void +xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y + ,int dmode + , int charlen +) { + int width = charlen * win.cw; + int winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch; + Color *fg, *bg, *temp, revfg, revbg, truefg, truebg; + XRenderColor colfg, colbg; + XRectangle r; + + /* Fallback on color display for attributes not supported by the font */ + if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) { + if (dc.ibfont.badslant || dc.ibfont.badweight) + base.fg = defaultattr; + } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) || + (base.mode & ATTR_BOLD && dc.bfont.badweight)) { + base.fg = defaultattr; + } + + if (IS_TRUECOL(base.fg)) { + colfg.alpha = 0xffff; + colfg.red = TRUERED(base.fg); + colfg.green = TRUEGREEN(base.fg); + colfg.blue = TRUEBLUE(base.fg); + XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg); + fg = &truefg; + } else { + fg = &dc.col[base.fg]; + } + + if (IS_TRUECOL(base.bg)) { + colbg.alpha = 0xffff; + colbg.green = TRUEGREEN(base.bg); + colbg.red = TRUERED(base.bg); + colbg.blue = TRUEBLUE(base.bg); + XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg); + bg = &truebg; + } else { + bg = &dc.col[base.bg]; + } + + if (IS_SET(MODE_REVERSE)) { + if (fg == &dc.col[defaultfg]) { + fg = &dc.col[defaultbg]; + } else { + colfg.red = ~fg->color.red; + colfg.green = ~fg->color.green; + colfg.blue = ~fg->color.blue; + colfg.alpha = fg->color.alpha; + XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, + &revfg); + fg = &revfg; + } + + if (bg == &dc.col[defaultbg]) { + bg = &dc.col[defaultfg]; + } else { + colbg.red = ~bg->color.red; + colbg.green = ~bg->color.green; + colbg.blue = ~bg->color.blue; + colbg.alpha = bg->color.alpha; + XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, + &revbg); + bg = &revbg; + } + } + + if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) { + colfg.red = fg->color.red / 2; + colfg.green = fg->color.green / 2; + colfg.blue = fg->color.blue / 2; + colfg.alpha = fg->color.alpha; + XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg); + fg = &revfg; + } + + if (base.mode & ATTR_REVERSE) { + if (bg == fg) { + bg = &dc.col[defaultfg]; + fg = &dc.col[defaultbg]; + } else { + temp = fg; + fg = bg; + bg = temp; + } + } + + if (base.mode & ATTR_SELECTED) { + bg = &dc.col[selectionbg]; + if (!ignoreselfg) + fg = &dc.col[selectionfg]; + } + + if (base.mode & ATTR_BLINK && win.mode & MODE_BLINK) + fg = bg; + + if (base.mode & ATTR_INVISIBLE) + fg = bg; + + if (base.mode & ATTR_HIGHLIGHT) { + fg = &dc.col[(base.mode & ATTR_REVERSE) ? highlightbg : highlightfg]; + bg = &dc.col[(base.mode & ATTR_REVERSE) ? highlightfg : highlightbg]; + } + + if (dmode & DRAW_BG) { + /* Intelligent cleaning up of the borders. */ + if (x == 0) { + xclear(0, (y == 0)? 0 : winy, win.hborderpx, + winy + win.ch + + ((winy + win.ch >= win.vborderpx + win.th)? win.h : 0)); + } + if (winx + width >= win.hborderpx + win.tw) { + xclear(winx + width, (y == 0)? 0 : winy, win.w, + ((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch))); + } + if (y == 0) + xclear(winx, 0, winx + width, win.vborderpx); + if (winy + win.ch >= win.vborderpx + win.th) + xclear(winx, winy + win.ch, winx + width, win.h); + + /* Clean up the region we want to draw to. */ + + /* Set the clip region because Xft is sometimes dirty. */ + r.x = 0; + r.y = 0; + r.height = win.ch; + r.width = width; + XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1); + + /* Fill the background */ + XftDrawRect(xw.draw, bg, winx, winy, width, win.ch); + } + + if (dmode & DRAW_FG) { + if (base.mode & ATTR_BOXDRAW) { + drawboxes(winx, winy, width / len, win.ch, fg, bg, specs, len); + } else { + /* Render the glyphs. */ + XftDrawGlyphFontSpec(xw.draw, fg, specs, len); + } + + /* Render underline and strikethrough. */ + if (base.mode & ATTR_UNDERLINE) { + // Underline Color + const int widthThreshold = 28; // +1 width every widthThreshold px of font + int wlw = (win.ch / widthThreshold) + 1; // Wave Line Width + int linecolor; + if ((base.ucolor[0] >= 0) && + !(base.mode & ATTR_BLINK && win.mode & MODE_BLINK) && + !(base.mode & ATTR_INVISIBLE) + ) { + // Special color for underline + // Index + if (base.ucolor[1] < 0) { + linecolor = dc.col[base.ucolor[0]].pixel; + } + // RGB + else { + XColor lcolor; + lcolor.red = base.ucolor[0] * 257; + lcolor.green = base.ucolor[1] * 257; + lcolor.blue = base.ucolor[2] * 257; + lcolor.flags = DoRed | DoGreen | DoBlue; + XAllocColor(xw.dpy, xw.cmap, &lcolor); + linecolor = lcolor.pixel; + } + } else { + // Foreground color for underline + linecolor = fg->pixel; + } + + XGCValues ugcv = { + .foreground = linecolor, + .line_width = wlw, + .line_style = LineSolid, + .cap_style = CapNotLast + }; + + GC ugc = XCreateGC(xw.dpy, XftDrawDrawable(xw.draw), + GCForeground | GCLineWidth | GCLineStyle | GCCapStyle, + &ugcv); + + // Underline Style + if (base.ustyle != 3) { + XFillRectangle(xw.dpy, XftDrawDrawable(xw.draw), ugc, winx, + winy + dc.font.ascent * chscale + 1, width, wlw); + } else if (base.ustyle == 3) { + int ww = win.cw;//width; + int wh = dc.font.descent - wlw/2 - 1;//r.height/7; + int wx = winx; + int wy = winy + win.ch - dc.font.descent; + +#if UNDERCURL_STYLE == UNDERCURL_CURLY + // Draw waves + int narcs = charlen * 2 + 1; + XArc *arcs = xmalloc(sizeof(XArc) * narcs); + + int i = 0; + for (i = 0; i < charlen-1; i++) { + arcs[i*2] = (XArc) { + .x = wx + win.cw * i + ww / 4, + .y = wy, + .width = win.cw / 2, + .height = wh, + .angle1 = 0, + .angle2 = 180 * 64 + }; + arcs[i*2+1] = (XArc) { + .x = wx + win.cw * i + ww * 0.75, + .y = wy, + .width = win.cw/2, + .height = wh, + .angle1 = 180 * 64, + .angle2 = 180 * 64 + }; + } + // Last wave + arcs[i*2] = (XArc) {wx + ww * i + ww / 4, wy, ww / 2, wh, + 0, 180 * 64 }; + // Last wave tail + arcs[i*2+1] = (XArc) {wx + ww * i + ww * 0.75, wy, ceil(ww / 2.), + wh, 180 * 64, 90 * 64}; + // First wave tail + i++; + arcs[i*2] = (XArc) {wx - ww/4 - 1, wy, ceil(ww / 2.), wh, 270 * 64, + 90 * 64 }; + + XDrawArcs(xw.dpy, XftDrawDrawable(xw.draw), ugc, arcs, narcs); + + free(arcs); +#elif UNDERCURL_STYLE == UNDERCURL_SPIKY + // Make the underline corridor larger + /* + wy -= wh; + */ + wh *= 2; + + // Set the angle of the slope to 45° + ww = wh; + + // Position of wave is independent of word, it's absolute + wx = (wx / (ww/2)) * (ww/2); + + int marginStart = winx - wx; + + // Calculate number of points with floating precision + float n = width; // Width of word in pixels + n = (n / ww) * 2; // Number of slopes (/ or \) + n += 2; // Add two last points + int npoints = n; // Convert to int + + // Total length of underline + float waveLength = 0; + + if (npoints >= 3) { + // We add an aditional slot in case we use a bonus point + XPoint *points = xmalloc(sizeof(XPoint) * (npoints + 1)); + + // First point (Starts with the word bounds) + points[0] = (XPoint) { + .x = wx + marginStart, + .y = (isSlopeRising(wx, 0, ww)) + ? (wy - marginStart + ww/2.f) + : (wy + marginStart) + }; + + // Second point (Goes back to the absolute point coordinates) + points[1] = (XPoint) { + .x = (ww/2.f) - marginStart, + .y = (isSlopeRising(wx, 1, ww)) + ? (ww/2.f - marginStart) + : (-ww/2.f + marginStart) + }; + waveLength += (ww/2.f) - marginStart; + + // The rest of the points + for (int i = 2; i < npoints-1; i++) { + points[i] = (XPoint) { + .x = ww/2, + .y = (isSlopeRising(wx, i, ww)) + ? wh/2 + : -wh/2 + }; + waveLength += ww/2; + } + + // Last point + points[npoints-1] = (XPoint) { + .x = ww/2, + .y = (isSlopeRising(wx, npoints-1, ww)) + ? wh/2 + : -wh/2 + }; + waveLength += ww/2; + + // End + if (waveLength < width) { // Add a bonus point? + int marginEnd = width - waveLength; + points[npoints] = (XPoint) { + .x = marginEnd, + .y = (isSlopeRising(wx, npoints, ww)) + ? (marginEnd) + : (-marginEnd) + }; + + npoints++; + } else if (waveLength > width) { // Is last point too far? + int marginEnd = waveLength - width; + points[npoints-1].x -= marginEnd; + if (isSlopeRising(wx, npoints-1, ww)) + points[npoints-1].y -= (marginEnd); + else + points[npoints-1].y += (marginEnd); + } + + // Draw the lines + XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, npoints, + CoordModePrevious); + + // Draw a second underline with an offset of 1 pixel + if ( ((win.ch / (widthThreshold/2)) % 2)) { + points[0].x++; + + XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, + npoints, CoordModePrevious); + } + + // Free resources + free(points); + } +#else // UNDERCURL_CAPPED + // Cap is half of wave width + float capRatio = 0.5f; + + // Make the underline corridor larger + wh *= 2; + + // Set the angle of the slope to 45° + ww = wh; + ww *= 1 + capRatio; // Add a bit of width for the cap + + // Position of wave is independent of word, it's absolute + wx = (wx / ww) * ww; + + float marginStart; + switch(getSlope(winx, 0, ww)) { + case UNDERCURL_SLOPE_ASCENDING: + marginStart = winx - wx; + break; + case UNDERCURL_SLOPE_TOP_CAP: + marginStart = winx - (wx + (ww * (2.f/6.f))); + break; + case UNDERCURL_SLOPE_DESCENDING: + marginStart = winx - (wx + (ww * (3.f/6.f))); + break; + case UNDERCURL_SLOPE_BOTTOM_CAP: + marginStart = winx - (wx + (ww * (5.f/6.f))); + break; + } + + // Calculate number of points with floating precision + float n = width; // Width of word in pixels + // ._. + n = (n / ww) * 4; // Number of points (./ \.) + n += 2; // Add two last points + int npoints = n; // Convert to int + + // Position of the pen to draw the lines + float penX = 0; + float penY = 0; + + if (npoints >= 3) { + XPoint *points = xmalloc(sizeof(XPoint) * (npoints + 1)); + + // First point (Starts with the word bounds) + penX = winx; + switch (getSlope(winx, 0, ww)) { + case UNDERCURL_SLOPE_ASCENDING: + penY = wy + wh/2.f - marginStart; + break; + case UNDERCURL_SLOPE_TOP_CAP: + penY = wy; + break; + case UNDERCURL_SLOPE_DESCENDING: + penY = wy + marginStart; + break; + case UNDERCURL_SLOPE_BOTTOM_CAP: + penY = wy + wh/2.f; + break; + } + points[0].x = penX; + points[0].y = penY; + + // Second point (Goes back to the absolute point coordinates) + switch (getSlope(winx, 1, ww)) { + case UNDERCURL_SLOPE_ASCENDING: + penX += ww * (1.f/6.f) - marginStart; + penY += 0; + break; + case UNDERCURL_SLOPE_TOP_CAP: + penX += ww * (2.f/6.f) - marginStart; + penY += -wh/2.f + marginStart; + break; + case UNDERCURL_SLOPE_DESCENDING: + penX += ww * (1.f/6.f) - marginStart; + penY += 0; + break; + case UNDERCURL_SLOPE_BOTTOM_CAP: + penX += ww * (2.f/6.f) - marginStart; + penY += -marginStart + wh/2.f; + break; + } + points[1].x = penX; + points[1].y = penY; + + // The rest of the points + for (int i = 2; i < npoints; i++) { + switch (getSlope(winx, i, ww)) { + case UNDERCURL_SLOPE_ASCENDING: + case UNDERCURL_SLOPE_DESCENDING: + penX += ww * (1.f/6.f); + penY += 0; + break; + case UNDERCURL_SLOPE_TOP_CAP: + penX += ww * (2.f/6.f); + penY += -wh / 2.f; + break; + case UNDERCURL_SLOPE_BOTTOM_CAP: + penX += ww * (2.f/6.f); + penY += wh / 2.f; + break; + } + points[i].x = penX; + points[i].y = penY; + } + + // End + float waveLength = penX - winx; + if (waveLength < width) { // Add a bonus point? + int marginEnd = width - waveLength; + penX += marginEnd; + switch(getSlope(winx, npoints, ww)) { + case UNDERCURL_SLOPE_ASCENDING: + case UNDERCURL_SLOPE_DESCENDING: + //penY += 0; + break; + case UNDERCURL_SLOPE_TOP_CAP: + penY += -marginEnd; + break; + case UNDERCURL_SLOPE_BOTTOM_CAP: + penY += marginEnd; + break; + } + + points[npoints].x = penX; + points[npoints].y = penY; + + npoints++; + } else if (waveLength > width) { // Is last point too far? + int marginEnd = waveLength - width; + points[npoints-1].x -= marginEnd; + switch(getSlope(winx, npoints-1, ww)) { + case UNDERCURL_SLOPE_TOP_CAP: + points[npoints-1].y += marginEnd; + break; + case UNDERCURL_SLOPE_BOTTOM_CAP: + points[npoints-1].y -= marginEnd; + break; + default: + break; + } + } + + // Draw the lines + XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, npoints, + CoordModeOrigin); + + // Draw a second underline with an offset of 1 pixel + if ( ((win.ch / (widthThreshold/2)) % 2)) { + for (int i = 0; i < npoints; i++) + points[i].x++; + + XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, + npoints, CoordModeOrigin); + } + + // Free resources + free(points); + } +#endif + } + + XFreeGC(xw.dpy, ugc); + } + + if (base.mode & ATTR_STRUCK) { + XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent * chscale / 3, + width, 1); + } + } + + /* underline url (openurlonclick patch) */ + if (url_draw && y >= url_y1 && y <= url_y2) { + int x1 = (y == url_y1) ? url_x1 : 0; + int x2 = (y == url_y2) ? MIN(url_x2, term.col-1) : url_maxcol; + if (x + charlen > x1 && x <= x2) { + int xu = MAX(x, x1); + int wu = (x2 - xu + 1) * win.cw; + xu = win.hborderpx + xu * win.cw; + XftDrawRect(xw.draw, fg, xu, winy + dc.font.ascent * chscale + 2, wu, 1); + url_draw = (y != url_y2 || x + charlen <= x2); + } + } + + /* Reset clip to none. */ + XftDrawSetClip(xw.draw, 0); +} + +void +xdrawglyph(Glyph g, int x, int y) +{ + int numspecs; + XftGlyphFontSpec *specs = xw.specbuf; + + numspecs = xmakeglyphfontspecs(specs, &g, 1, x, y); + xdrawglyphfontspecs(specs, g, numspecs, x, y + ,DRAW_BG | DRAW_FG + ,(g.mode & ATTR_WIDE) ? 2 : 1 + ); +} + +void +xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og, Line line, int len) +{ + Color drawcol; + XRenderColor colbg; + + /* Redraw the line where cursor was previously. + * It will restore the ligatures broken by the cursor. */ + xdrawline(line, 0, oy, len); + + if (IS_SET(MODE_HIDE)) + return; + + /* + * Select the right color for the right mode. + */ + g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE + |ATTR_BOXDRAW + |ATTR_REVERSE + |ATTR_HIGHLIGHT + ; + + if (IS_SET(MODE_REVERSE)) { + g.mode |= ATTR_REVERSE; + g.bg = defaultfg; + g.fg = defaultcs; + drawcol = dc.col[defaultrcs]; + } else { + g.fg = defaultbg; + g.bg = defaultcs; + drawcol = dc.col[defaultcs]; + } + + if (g.mode & ATTR_HIGHLIGHT) + g.mode ^= ATTR_REVERSE; + + /* draw the new one */ + if (IS_SET(MODE_FOCUSED)) { + switch (win.cursor) { + case 0: /* Blinking block */ + case 1: /* Blinking block (default) */ + if (IS_SET(MODE_BLINK)) + break; + /* FALLTHROUGH */ + case 2: /* Steady block */ + xdrawglyph(g, cx, cy); + break; + case 3: /* Blinking underline */ + if (IS_SET(MODE_BLINK)) + break; + /* FALLTHROUGH */ + case 4: /* Steady underline */ + XftDrawRect(xw.draw, &drawcol, + win.hborderpx + cx * win.cw, + win.vborderpx + (cy + 1) * win.ch - \ + cursorthickness, + win.cw, cursorthickness); + break; + case 5: /* Blinking bar */ + if (IS_SET(MODE_BLINK)) + break; + /* FALLTHROUGH */ + case 6: /* Steady bar */ + XftDrawRect(xw.draw, &drawcol, + win.hborderpx + cx * win.cw, + win.vborderpx + cy * win.ch, + cursorthickness, win.ch); + break; + case 7: /* Blinking st cursor */ + if (IS_SET(MODE_BLINK)) + break; + /* FALLTHROUGH */ + case 8: /* Steady st cursor */ + g.u = stcursor; + xdrawglyph(g, cx, cy); + break; + } + } else { + XftDrawRect(xw.draw, &drawcol, + win.hborderpx + cx * win.cw, + win.vborderpx + cy * win.ch, + win.cw - 1, 1); + XftDrawRect(xw.draw, &drawcol, + win.hborderpx + cx * win.cw, + win.vborderpx + cy * win.ch, + 1, win.ch - 1); + XftDrawRect(xw.draw, &drawcol, + win.hborderpx + (cx + 1) * win.cw - 1, + win.vborderpx + cy * win.ch, + 1, win.ch - 1); + XftDrawRect(xw.draw, &drawcol, + win.hborderpx + cx * win.cw, + win.vborderpx + (cy + 1) * win.ch - 1, + win.cw, 1); + } +} + +void +xsetenv(void) +{ + char buf[sizeof(long) * 8 + 1]; + + snprintf(buf, sizeof(buf), "%lu", xw.win); + setenv("WINDOWID", buf, 1); +} + +void +xseticontitle(char *p) +{ + XTextProperty prop; + DEFAULT(p, opt_title); + + if (p[0] == '\0') + p = opt_title; + + if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, + &prop) != Success) + return; + XSetWMIconName(xw.dpy, xw.win, &prop); + XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmiconname); + XFree(prop.value); +} + +void +xsettitle(char *p, int pop) +{ + XTextProperty prop; + + free(titlestack[tstki]); + if (pop) { + titlestack[tstki] = NULL; + tstki = (tstki - 1 + TITLESTACKSIZE) % TITLESTACKSIZE; + p = titlestack[tstki] ? titlestack[tstki] : opt_title; + } else if (p && p[0] != '\0') { + titlestack[tstki] = xstrdup(p); + } else { + titlestack[tstki] = NULL; + p = opt_title; + } + + if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, + &prop) != Success) + return; + XSetWMName(xw.dpy, xw.win, &prop); + XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname); + XFree(prop.value); +} + +void +xpushtitle(void) +{ + int tstkin = (tstki + 1) % TITLESTACKSIZE; + + free(titlestack[tstkin]); + titlestack[tstkin] = titlestack[tstki] ? xstrdup(titlestack[tstki]) : NULL; + tstki = tstkin; +} + +void +xfreetitlestack(void) +{ + for (int i = 0; i < LEN(titlestack); i++) { + free(titlestack[i]); + titlestack[i] = NULL; + } +} + +int +xstartdraw(void) +{ + return IS_SET(MODE_VISIBLE); +} + +void +xdrawline(Line line, int x1, int y1, int x2) +{ + int i, j, x, ox, numspecs; + Glyph new; + GlyphFontSeq *seq = xw.specseq; + XftGlyphFontSpec *specs = xw.specbuf; + + /* Draw line in 2 passes: background and foreground. This way wide glyphs + won't get truncated (#223) */ + + /* background */ + i = j = ox = 0; + for (x = x1; x < x2; x++) { + new = line[x]; + if (new.mode == ATTR_WDUMMY) + continue; + if (selected(x, y1)) + new.mode |= ATTR_SELECTED; + if ((i > 0) && ATTRCMP(seq[j].base, new)) { + numspecs = xmakeglyphfontspecs(specs, &line[ox], x - ox, ox, y1); + xdrawglyphfontspecs(specs, seq[j].base, numspecs, ox, y1, DRAW_BG, x - ox); + seq[j].charlen = x - ox; + seq[j++].numspecs = numspecs; + specs += numspecs; + i = 0; + } + if (i == 0) { + ox = x; + seq[j].ox= ox; + seq[j].base = new; + } + i++; + } + if (i > 0) { + numspecs = xmakeglyphfontspecs(specs, &line[ox], x2 - ox, ox, y1); + xdrawglyphfontspecs(specs, seq[j].base, numspecs, ox, y1, DRAW_BG, x2 - ox); + seq[j].charlen = x2 - ox; + seq[j++].numspecs = numspecs; + } + + /* foreground */ + specs = xw.specbuf; + for (i = 0; i < j; i++) { + xdrawglyphfontspecs(specs, seq[i].base, seq[i].numspecs, seq[i].ox, y1, DRAW_FG, seq[i].charlen); + specs += seq[i].numspecs; + } + + kbds_drawstatusbar(y1); +} + +void +xfinishdraw(void) +{ + ImageList *im, *next; + Imlib_Image origin, scaled; + XGCValues gcvalues; + GC gc; + int width, height; + int x, x2, del, destx, desty; + Line line; + + for (im = term.images; im; im = next) { + next = im->next; + + /* do not draw or process the image, if it is not visible */ + if (im->x >= term.col || im->y >= term.row || im->y < 0) + continue; + + /* scale the image */ + width = MAX(im->width * win.cw / im->cw, 1); + height = MAX(im->height * win.ch / im->ch, 1); + if (!im->pixmap) { + im->pixmap = (void *)XCreatePixmap(xw.dpy, xw.win, width, height, + DefaultDepth(xw.dpy, xw.scr) + ); + if (!im->pixmap) + continue; + if (win.cw == im->cw && win.ch == im->ch) { + XImage ximage = { + .format = ZPixmap, + .data = (char *)im->pixels, + .width = im->width, + .height = im->height, + .xoffset = 0, + .byte_order = sixelbyteorder, + .bitmap_bit_order = MSBFirst, + .bits_per_pixel = 32, + .bytes_per_line = im->width * 4, + .bitmap_unit = 32, + .bitmap_pad = 32, + .depth = 24 + }; + XPutImage(xw.dpy, (Drawable)im->pixmap, dc.gc, &ximage, 0, 0, 0, 0, width, height); + if (im->transparent) + im->clipmask = (void *)sixel_create_clipmask((char *)im->pixels, width, height); + } else { + origin = imlib_create_image_using_data(im->width, im->height, (DATA32 *)im->pixels); + if (!origin) + continue; + imlib_context_set_image(origin); + imlib_image_set_has_alpha(1); + imlib_context_set_anti_alias(im->transparent ? 0 : 1); /* anti-aliasing messes up the clip mask */ + scaled = imlib_create_cropped_scaled_image(0, 0, im->width, im->height, width, height); + imlib_free_image_and_decache(); + if (!scaled) + continue; + imlib_context_set_image(scaled); + imlib_image_set_has_alpha(1); + XImage ximage = { + .format = ZPixmap, + .data = (char *)imlib_image_get_data_for_reading_only(), + .width = width, + .height = height, + .xoffset = 0, + .byte_order = sixelbyteorder, + .bitmap_bit_order = MSBFirst, + .bits_per_pixel = 32, + .bytes_per_line = width * 4, + .bitmap_unit = 32, + .bitmap_pad = 32, + .depth = 24 + }; + XPutImage(xw.dpy, (Drawable)im->pixmap, dc.gc, &ximage, 0, 0, 0, 0, width, height); + if (im->transparent) + im->clipmask = (void *)sixel_create_clipmask((char *)imlib_image_get_data_for_reading_only(), width, height); + imlib_free_image_and_decache(); + } + } + + /* clip the image so it does not go over to borders */ + x2 = MIN(im->x + im->cols, term.col); + width = MIN(width, (x2 - im->x) * win.cw); + + /* delete the image if the text cells behind it have been changed */ + line = TLINE(im->y); + for (del = 0, x = im->x; x < x2; x++) { + if ((del = !(line[x].mode & ATTR_SIXEL))) + break; + } + if (del) { + delete_image(im); + continue; + } + + /* draw the image */ + memset(&gcvalues, 0, sizeof(gcvalues)); + gcvalues.graphics_exposures = False; + gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures, &gcvalues); + destx = win.hborderpx + im->x * win.cw; + desty = win.vborderpx + im->y * win.ch; + if (im->clipmask) { + XSetClipMask(xw.dpy, gc, (Drawable)im->clipmask); + XSetClipOrigin(xw.dpy, gc, destx, desty); + } + XCopyArea(xw.dpy, (Drawable)im->pixmap, xw.buf, gc, 0, 0, width, height, destx, desty); + XFreeGC(xw.dpy, gc); + } + + XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w, win.h, 0, 0); + XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg].pixel); +} + +void +xximspot(int x, int y) +{ + if (xw.ime.xic == NULL) + return; + + xw.ime.spot.x = borderpx + x * win.cw; + xw.ime.spot.y = borderpx + (y + 1) * win.ch; + + XSetICValues(xw.ime.xic, XNPreeditAttributes, xw.ime.spotlist, NULL); +} + +void +expose(XEvent *ev) +{ + redraw(); +} + +void +visibility(XEvent *ev) +{ + XVisibilityEvent *e = &ev->xvisibility; + + MODBIT(win.mode, e->state != VisibilityFullyObscured, MODE_VISIBLE); +} + +void +unmap(XEvent *ev) +{ + win.mode &= ~MODE_VISIBLE; +} + +void +xsetpointermotion(int set) +{ + if (!set && !xw.pointerisvisible) + return; + set = 1; /* keep MotionNotify event enabled */ + MODBIT(xw.attrs.event_mask, set, PointerMotionMask); + XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs); +} + +void +xsetmode(int set, unsigned int flags) +{ + int mode = win.mode; + MODBIT(win.mode, set, flags); + if ((flags & MODE_MOUSE) + && xw.pointerisvisible + ) { + if (win.mode & MODE_MOUSE) + XUndefineCursor(xw.dpy, xw.win); + else + XDefineCursor(xw.dpy, xw.win, xw.vpointer); + } + if ((win.mode & MODE_REVERSE) != (mode & MODE_REVERSE)) + redraw(); +} + +int +xsetcursor(int cursor) +{ + if (!BETWEEN(cursor, 0, 8)) /* 7-8: st extensions */ + return 1; + win.cursor = (cursor ? cursor : cursorstyle); + cursorblinks = win.cursor == 0 || win.cursor == 1 || + win.cursor == 3 || win.cursor == 5 || + win.cursor == 7; + return 0; +} + +void +xseturgency(int add) +{ + XWMHints *h = XGetWMHints(xw.dpy, xw.win); + + MODBIT(h->flags, add, XUrgencyHint); + XSetWMHints(xw.dpy, xw.win, h); + XFree(h); +} + +void +xbell(void) +{ + if (!(IS_SET(MODE_FOCUSED))) + xseturgency(1); + if (bellvolume) + XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL); +} + +void +focus(XEvent *ev) +{ + XFocusChangeEvent *e = &ev->xfocus; + + if (e->mode == NotifyGrab) + return; + + if (ev->type == FocusIn) { + if (xw.ime.xic) + XSetICFocus(xw.ime.xic); + win.mode |= MODE_FOCUSED; + xseturgency(0); + if (IS_SET(MODE_FOCUS)) + ttywrite("\033[I", 3, 0); + } else { + if (xw.ime.xic) + XUnsetICFocus(xw.ime.xic); + win.mode &= ~MODE_FOCUSED; + if (IS_SET(MODE_FOCUS)) + ttywrite("\033[O", 3, 0); + } +} + +int +match(uint mask, uint state) +{ + return mask == XK_ANY_MOD || mask == (state & ~ignoremod); +} + +char* +kmap(KeySym k, uint state) +{ + Key *kp; + int i; + + /* Check for mapped keys out of X11 function keys. */ + for (i = 0; i < LEN(mappedkeys); i++) { + if (mappedkeys[i] == k) + break; + } + if (i == LEN(mappedkeys)) { + if ((k & 0xFFFF) < 0xFD00) + return NULL; + } + + for (kp = key; kp < key + LEN(key); kp++) { + if (kp->k != k) + continue; + + if (!match(kp->mask, state)) + continue; + + if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0) + continue; + if (IS_SET(MODE_NUMLOCK) && kp->appkey == 2) + continue; + + if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0) + continue; + + return kp->s; + } + + return NULL; +} + +void +kpress(XEvent *ev) +{ + XKeyEvent *e = &ev->xkey; + KeySym ksym = NoSymbol; + char buf[64], *customkey; + int len, screen; + Rune c; + Status status; + Shortcut *bp; + + if (xw.pointerisvisible && hidecursor) { + int x = e->x - win.hborderpx; + int y = e->y - win.vborderpx; + LIMIT(x, 0, win.tw - 1); + LIMIT(y, 0, win.th - 1); + if (!detecturl(x / win.cw, y / win.ch, 0)) { + XDefineCursor(xw.dpy, xw.win, xw.bpointer); + xsetpointermotion(1); + xw.pointerisvisible = 0; + } + } + + if (IS_SET(MODE_KBDLOCK)) + return; + + if (xw.ime.xic) { + len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status); + if (status == XBufferOverflow) + return; + } else { + len = XLookupString(e, buf, sizeof buf, &ksym, NULL); + } + + if (IS_SET(MODE_KBDSELECT) ) { + if (kbds_issearchmode()) { + for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) { + if (ksym == bp->keysym && match(bp->mod, e->state) && + (!bp->screen || bp->screen == screen) && + (bp->func == clippaste || bp->func == selpaste)) { + bp->func(&(bp->arg)); + return; + } + } + } + if (match(XK_NO_MOD, e->state) || + (XK_Shift_L | XK_Shift_R) & e->state ) + win.mode ^= kbds_keyboardhandler(ksym, buf, len, 0); + return; + } + + screen = tisaltscr() ? S_ALT : S_PRI; + + /* 1. shortcuts */ + for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) { + if (ksym == bp->keysym && match(bp->mod, e->state) && + (!bp->screen || bp->screen == screen)) { + bp->func(&(bp->arg)); + return; + } + } + + /* 2. custom keys from config.h */ + if ((customkey = kmap(ksym, e->state))) { + ttywrite(customkey, strlen(customkey), 1); + return; + } + + /* 3. composed string from input method */ + if (len == 0) + return; + if (len == 1 && e->state & Mod1Mask) { + if (IS_SET(MODE_8BIT)) { + if (*buf < 0177) { + c = *buf | 0x80; + len = utf8encode(c, buf); + } + } else { + buf[1] = buf[0]; + buf[0] = '\033'; + len = 2; + } + } + ttywrite(buf, len, 1); +} + +void +cmessage(XEvent *e) +{ + /* + * See xembed specs + * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html + */ + if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) { + if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) { + win.mode |= MODE_FOCUSED; + xseturgency(0); + } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) { + win.mode &= ~MODE_FOCUSED; + } + } else if (e->xclient.data.l[0] == xw.wmdeletewin) { + ttyhangup(); + exit(0); + } +} + +void +resize(XEvent *e) +{ + + if (e->xconfigure.width == win.w && e->xconfigure.height == win.h) + return; + + cresize(e->xconfigure.width, e->xconfigure.height); +} + +void +run(void) +{ + XEvent ev; + int w = win.w, h = win.h; + fd_set rfd; + int xfd = XConnectionNumber(xw.dpy), ttyfd, xev, drawing; + struct timespec seltv, *tv, now, lastblink, trigger; + double timeout; + + /* Waiting for window mapping */ + do { + XNextEvent(xw.dpy, &ev); + /* + * This XFilterEvent call is required because of XOpenIM. It + * does filter out the key event and some client message for + * the input method too. + */ + if (XFilterEvent(&ev, None)) + continue; + if (ev.type == ConfigureNotify) { + w = ev.xconfigure.width; + h = ev.xconfigure.height; + } + } while (ev.type != MapNotify); + + ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd); + cresize(w, h); + + for (timeout = -1, drawing = 0, lastblink = (struct timespec){0};;) { + FD_ZERO(&rfd); + FD_SET(ttyfd, &rfd); + FD_SET(xfd, &rfd); + + if (XPending(xw.dpy) || ttyread_pending()) + timeout = 0; /* existing events might not set xfd */ + + seltv.tv_sec = timeout / 1E3; + seltv.tv_nsec = 1E6 * (timeout - 1E3 * seltv.tv_sec); + tv = timeout >= 0 ? &seltv : NULL; + + if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) { + if (errno == EINTR) + continue; + die("select failed: %s\n", strerror(errno)); + } + clock_gettime(CLOCK_MONOTONIC, &now); + + int ttyin = FD_ISSET(ttyfd, &rfd) || ttyread_pending(); + if (ttyin) + ttyread(); + + xev = 0; + while (XPending(xw.dpy)) { + xev = 1; + XNextEvent(xw.dpy, &ev); + if (XFilterEvent(&ev, None)) + continue; + if (handler[ev.type]) + (handler[ev.type])(&ev); + } + + /* + * To reduce flicker and tearing, when new content or event + * triggers drawing, we first wait a bit to ensure we got + * everything, and if nothing new arrives - we draw. + * We start with trying to wait minlatency ms. If more content + * arrives sooner, we retry with shorter and shorter periods, + * and eventually draw even without idle after maxlatency ms. + * Typically this results in low latency while interacting, + * maximum latency intervals during `cat huge.txt`, and perfect + * sync with periodic updates from animations/key-repeats/etc. + */ + if (ttyin || xev) + { + if (!drawing) { + trigger = now; + if (IS_SET(MODE_BLINK)) { + win.mode ^= MODE_BLINK; + } + lastblink = now; + drawing = 1; + } + timeout = (maxlatency - TIMEDIFF(now, trigger)) \ + / maxlatency * minlatency; + if (timeout > 0) + continue; /* we have time, try to find idle */ + } + + if (tinsync(su_timeout)) { + /* + * on synchronized-update draw-suspension: don't reset + * drawing so that we draw ASAP once we can (just after + * ESU). it won't be too soon because we already can + * draw now but we skip. we set timeout > 0 to draw on + * SU-timeout even without new content. + */ + timeout = minlatency; + continue; + } + + /* idle detected or maxlatency exhausted -> draw */ + timeout = -1; + if (blinktimeout && (cursorblinks || tattrset(ATTR_BLINK))) + { + timeout = blinktimeout - TIMEDIFF(now, lastblink); + if (timeout <= 0) { + if (-timeout > blinktimeout) /* start visible */ + win.mode |= MODE_BLINK; + win.mode ^= MODE_BLINK; + tsetdirtattr(ATTR_BLINK); + lastblink = now; + timeout = blinktimeout; + } + } + + draw(); + XFlush(xw.dpy); + drawing = 0; + } +} + +void +usage(void) +{ + die("usage: %s [-aiv] [-c class]" + " [-d path]" + " [-f font] [-g geometry]" + " [-n name] [-o file]\n" + " [-T title] [-t title] [-w windowid]" + " [[-e] command [args ...]]\n" + " %s [-aiv] [-c class]" + " [-d path]" + " [-f font] [-g geometry]" + " [-n name] [-o file]\n" + " [-T title] [-t title] [-w windowid] -l line" + " [stty_args ...]\n", argv0, argv0); +} + +int +main(int argc, char *argv[]) +{ + xw.l = xw.t = 0; + xw.isfixed = False; + xsetcursor(cursorstyle); + + ARGBEGIN { + case 'a': + allowaltscreen = 0; + break; + case 'c': + opt_class = EARGF(usage()); + break; + case 'd': + opt_dir = EARGF(usage()); + break; + case 'e': + if (argc > 0) + --argc, ++argv; + goto run; + case 'f': + opt_font = EARGF(usage()); + break; + case 'g': + xw.gm = XParseGeometry(EARGF(usage()), + &xw.l, &xw.t, &cols, &rows); + break; + case 'i': + xw.isfixed = 1; + break; + case 'o': + opt_io = EARGF(usage()); + break; + case 'l': + opt_line = EARGF(usage()); + break; + case 'n': + opt_name = EARGF(usage()); + break; + case 't': + case 'T': + opt_title = EARGF(usage()); + break; + case 'w': + opt_embed = EARGF(usage()); + break; + case 'v': + die("%s " VERSION "\n", argv0); + break; + default: + usage(); + } ARGEND; + +run: + if (argc > 0) /* eat all remaining arguments */ + opt_cmd = argv; + + if (!opt_title) + opt_title = (opt_line || !opt_cmd) ? "st" : opt_cmd[0]; + + setlocale(LC_CTYPE, ""); + XSetLocaleModifiers(""); + hbcreatebuffer(); + + cols = MAX(cols, 1); + rows = MAX(rows, 1); + tnew(cols, rows); + xinit(cols, rows); + xsetenv(); + selinit(); + if (opt_dir && chdir(opt_dir)) + die("Can't change to working directory %s\n", opt_dir); + run(); + hbdestroybuffer(); + + return 0; +}