diff options
Diffstat (limited to 'sys/cmd/term')
| -rw-r--r-- | sys/cmd/term/LICENSE | 34 | ||||
| -rw-r--r-- | sys/cmd/term/config.h | 474 | ||||
| -rw-r--r-- | sys/cmd/term/hb.c | 147 | ||||
| -rw-r--r-- | sys/cmd/term/nonspacing.h | 89 | ||||
| -rw-r--r-- | sys/cmd/term/rules.mk | 24 | ||||
| -rw-r--r-- | sys/cmd/term/term.c | 2417 | ||||
| -rw-r--r-- | sys/cmd/term/term.h | 316 | ||||
| -rw-r--r-- | sys/cmd/term/term.info | 250 | ||||
| -rw-r--r-- | sys/cmd/term/util.c | 30 | ||||
| -rw-r--r-- | sys/cmd/term/wide.h | 65 | ||||
| -rw-r--r-- | sys/cmd/term/x.c | 2070 |
11 files changed, 0 insertions, 5916 deletions
diff --git a/sys/cmd/term/LICENSE b/sys/cmd/term/LICENSE deleted file mode 100644 index c356c39..0000000 --- a/sys/cmd/term/LICENSE +++ /dev/null @@ -1,34 +0,0 @@ -MIT/X Consortium License - -© 2014-2018 Hiltjo Posthuma <hiltjo at codemadness dot org> -© 2018 Devin J. Pohly <djpohly at gmail dot com> -© 2014-2017 Quentin Rameau <quinq at fifth dot space> -© 2009-2012 Aurélien APTEL <aurelien dot aptel at gmail dot com> -© 2008-2017 Anselm R Garbe <garbeam at gmail dot com> -© 2012-2017 Roberto E. Vargas Caballero <k0ga at shike2 dot com> -© 2012-2016 Christoph Lohmann <20h at r-36 dot net> -© 2013 Eon S. Jeon <esjeon at hyunmu dot am> -© 2013 Alexander Sedov <alex0player at gmail dot com> -© 2013 Mark Edgar <medgar123 at gmail dot com> -© 2013-2014 Eric Pruitt <eric.pruitt at gmail dot com> -© 2013 Michael Forney <mforney at mforney dot org> -© 2013-2014 Markus Teich <markus dot teich at stusta dot mhn dot de> -© 2014-2015 Laslo Hunhold <dev at frign dot de> - -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 AUTHORS OR COPYRIGHT HOLDERS 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. diff --git a/sys/cmd/term/config.h b/sys/cmd/term/config.h deleted file mode 100644 index a740ecf..0000000 --- a/sys/cmd/term/config.h +++ /dev/null @@ -1,474 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#define VERSION "1" - -/* - * appearance - * - * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html - */ -static char *font = "consolas:size=16"; -static int borderpx = 2; - -/* - * 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/mksh"; -char *utmp = nil; -/* scroll program: to enable use a string like "scroll" */ -char *scroll = nil; -char *stty_args = "stty raw pass8 nl -echo -iexten -cstopb 38400"; - -/* identification sequence returned in DA and DECID */ -char *vtiden = "\033[?6c"; - -/* 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" "; - -/* selection timeouts (in milliseconds) */ -static uint doubleclicktimeout = 300; -static uint 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 = 8; -static double maxlatency = 33; - -/* - * blinking timeout (set to 0 to disable blinking) for the terminal blinking - * attribute. - */ -static uint blinktimeout = 800; - -/* - * thickness of underline and bar cursors - */ -static uint cursorthickness = 2; - -/* - * 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 = "term-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 - */ -uint tabspaces = 4; - -/* bg opacity */ -float alpha = 0.98; - -/* Terminal colors (16 first used in escape sequence) */ -static char *colorname[] = { - "#282828", /* hard contrast: #1d2021 / soft contrast: #32302f */ - "#ea6962", /* red */ - "#a9b665", /* green */ - "#d8a657", /* yellow */ - "#7daea3", /* blue */ - "#d3869b", /* magenta */ - "#89b482", /* cyan */ - "#d4be98", /* white */ - - "#928374", /* black */ - "#ef938e", /* red */ - "#bbc585", /* green */ - "#e1bb7e", /* yellow */ - "#9dc2ba", /* blue */ - "#e1acbb", /* magenta */ - "#a7c7a2", /* cyan */ - "#e2d3ba", /* white */ - - [255] = 0, - - /* more colors can be added after 255 to use with DefaultXX */ - "#fbf1c7", - "#3c3836", - "#555555", -}; - -/* - * Default colors (colorname index) - * foreground, background, cursor, reverse cursor - */ -uint defaultfg = 256; -uint defaultbg = 257; -static uint defaultcs = 15; -static uint defaultrcs = 258; - -/* - * Default shape of cursor - * 2: Block ("█") - * 4: Underline ("_") - * 6: Bar ("|") - * 7: Snowman ("☃") - */ -static uint cursorshape = 2; - -/* - * Default columns and rows numbers - */ - -static uint cols = 80; -static uint rows = 24; - -/* - * Default colour and shape of the mouse cursor - */ -static uint mouseshape = XC_left_ptr; -static uint mousefg = 0; -static uint mousebg = 7; - -/* - * Color used to display font attributes when fontconfig selected a font which - * doesn't match the ones requested. - */ -static uint 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 */ - { XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1 }, - { ShiftMask, Button4, ttysend, {.s = "\033[5;2~"} }, - { XK_ANY_MOD, Button4, ttysend, {.s = "\031"} }, - { ShiftMask, Button5, ttysend, {.s = "\033[6;2~"} }, - { XK_ANY_MOD, Button5, ttysend, {.s = "\005"} }, -}; - -/* Internal keyboard shortcuts. */ -#define MODKEY Mod1Mask -#define TERMMOD (ControlMask|ShiftMask) - -static Shortcut shortcuts[] = { - /* mask keysym function argument */ - { 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_plus, zoom, {.f = +1} }, - { ControlMask, XK_minus, zoom, {.f = -1} }, - { TERMMOD, XK_Home, zoomreset, {.f = 0} }, - { TERMMOD, XK_C, clipcopy, {.i = 0} }, - { TERMMOD, XK_V, clippaste, {.i = 0} }, - { TERMMOD, XK_Y, selpaste, {.i = 0} }, - { ShiftMask, XK_Insert, selpaste, {.i = 0} }, - { TERMMOD, XK_Num_Lock, numlock, {.i = 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. - */ - -/* - * If you want keys other than the X11 function keys (0xFD00 - 0xFFFF) - * to be mapped below, add them to this array. - */ -static KeySym mappedkeys[] = { -1 }; - -/* - * 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; - -/* - * 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_Home, XK_ANY_MOD, "\033[H", 0, -1}, - { XK_KP_Home, XK_ANY_MOD, "\033[1~", 0, +1}, - { XK_KP_Up, XK_ANY_MOD, "\033Ox", +1, 0}, - { XK_KP_Up, XK_ANY_MOD, "\033[A", 0, -1}, - { XK_KP_Up, XK_ANY_MOD, "\033OA", 0, +1}, - { XK_KP_Down, XK_ANY_MOD, "\033Or", +1, 0}, - { XK_KP_Down, XK_ANY_MOD, "\033[B", 0, -1}, - { XK_KP_Down, XK_ANY_MOD, "\033OB", 0, +1}, - { XK_KP_Left, XK_ANY_MOD, "\033Ot", +1, 0}, - { XK_KP_Left, XK_ANY_MOD, "\033[D", 0, -1}, - { XK_KP_Left, XK_ANY_MOD, "\033OD", 0, +1}, - { XK_KP_Right, XK_ANY_MOD, "\033Ov", +1, 0}, - { XK_KP_Right, XK_ANY_MOD, "\033[C", 0, -1}, - { XK_KP_Right, XK_ANY_MOD, "\033OC", 0, +1}, - { XK_KP_Prior, ShiftMask, "\033[5;2~", 0, 0}, - { XK_KP_Prior, XK_ANY_MOD, "\033[5~", 0, 0}, - { XK_KP_Begin, XK_ANY_MOD, "\033[E", 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_End, XK_ANY_MOD, "\033[4~", 0, 0}, - { XK_KP_Next, ShiftMask, "\033[6;2~", 0, 0}, - { XK_KP_Next, XK_ANY_MOD, "\033[6~", 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_Insert, XK_ANY_MOD, "\033[4h", -1, 0}, - { XK_KP_Insert, XK_ANY_MOD, "\033[2~", +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_KP_Delete, XK_ANY_MOD, "\033[P", -1, 0}, - { XK_KP_Delete, XK_ANY_MOD, "\033[3~", +1, 0}, - { XK_KP_Multiply, XK_ANY_MOD, "\033Oj", +2, 0}, - { XK_KP_Add, XK_ANY_MOD, "\033Ok", +2, 0}, - { XK_KP_Enter, XK_ANY_MOD, "\033OM", +2, 0}, - { XK_KP_Enter, XK_ANY_MOD, "\r", -1, 0}, - { XK_KP_Subtract, XK_ANY_MOD, "\033Om", +2, 0}, - { XK_KP_Decimal, XK_ANY_MOD, "\033On", +2, 0}, - { XK_KP_Divide, XK_ANY_MOD, "\033Oo", +2, 0}, - { XK_KP_0, XK_ANY_MOD, "\033Op", +2, 0}, - { XK_KP_1, XK_ANY_MOD, "\033Oq", +2, 0}, - { XK_KP_2, XK_ANY_MOD, "\033Or", +2, 0}, - { XK_KP_3, XK_ANY_MOD, "\033Os", +2, 0}, - { XK_KP_4, XK_ANY_MOD, "\033Ot", +2, 0}, - { XK_KP_5, XK_ANY_MOD, "\033Ou", +2, 0}, - { XK_KP_6, XK_ANY_MOD, "\033Ov", +2, 0}, - { XK_KP_7, XK_ANY_MOD, "\033Ow", +2, 0}, - { XK_KP_8, XK_ANY_MOD, "\033Ox", +2, 0}, - { XK_KP_9, XK_ANY_MOD, "\033Oy", +2, 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_ANY_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_Insert, XK_ANY_MOD, "\033[4h", -1, 0}, - { XK_Insert, XK_ANY_MOD, "\033[2~", +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_Delete, XK_ANY_MOD, "\033[P", -1, 0}, - { XK_Delete, XK_ANY_MOD, "\033[3~", +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_Home, XK_ANY_MOD, "\033[H", 0, -1}, - { XK_Home, XK_ANY_MOD, "\033[1~", 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_End, XK_ANY_MOD, "\033[4~", 0, 0}, - { XK_Prior, ControlMask, "\033[5;5~", 0, 0}, - { XK_Prior, ShiftMask, "\033[5;2~", 0, 0}, - { XK_Prior, XK_ANY_MOD, "\033[5~", 0, 0}, - { XK_Next, ControlMask, "\033[6;5~", 0, 0}, - { XK_Next, ShiftMask, "\033[6;2~", 0, 0}, - { XK_Next, XK_ANY_MOD, "\033[6~", 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}, -}; - -/* - * 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[] = { - [SelRectangular] = Mod1Mask, -}; - -/* - * Printable characters in ASCII, used to estimate the advance width - * of single wide characters. - */ -static char ascii_printable[] = - " !\"#$%&'()*+,-./0123456789:;<=>?" - "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_" - "`abcdefghijklmnopqrstuvwxyz{|}~"; diff --git a/sys/cmd/term/hb.c b/sys/cmd/term/hb.c deleted file mode 100644 index 4b6b42d..0000000 --- a/sys/cmd/term/hb.c +++ /dev/null @@ -1,147 +0,0 @@ -#include "term.h" - -#include <X11/Xft/Xft.h> -#include <harfbuzz/hb-ft.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 } - -hb_font_t *hbfindfont(XftFont *match); -void hbtransformsegment(XftFont *xfont, const Letter *glyph, rune *codepoints, int start, int end); - -typedef struct -{ - XftFont *match; - hb_font_t *font; -} HbFontMatch; - -static int hbfontslen = 0; -static HbFontMatch *hbfontcache = nil; - -/* - * Replace 0 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[] = { 0 }; - -void -hbunloadfonts() -{ - int i; - for(i = 0; i < hbfontslen; i++) { - hb_font_destroy(hbfontcache[i].font); - XftUnlockFace(hbfontcache[i].match); - } - - if(hbfontcache != nil) { - free(hbfontcache); - hbfontcache = nil; - } - - hbfontslen = 0; -} - -hb_font_t * -hbfindfont(XftFont *match) -{ - int i; - for (i = 0; i < hbfontslen; i++) { - if (hbfontcache[i].match == match) - return hbfontcache[i].font; - } - - /* Font not found in cache, caching it now. */ - hbfontcache = realloc(hbfontcache, sizeof(HbFontMatch) * (hbfontslen + 1)); - FT_Face face = XftLockFace(match); - hb_font_t *font = hb_ft_font_create(face, NULL); - if(!font) - fatal("failed to load Harfbuzz font."); - - hbfontcache[hbfontslen].match = match; - hbfontcache[hbfontslen].font = font; - hbfontslen += 1; - - return font; -} - -void -hbtransform(XftGlyphFontSpec *specs, const Letter *glyphs, size_t len, int x, int y) -{ - int idx, specidx, start = 0, length = 1, gstart = 0; - rune *runes = calloc((unsigned int)len, sizeof(hb_codepoint_t)); - - for(idx = 1, specidx = 1; idx < len; idx++) { - if(glyphs[idx].mode & Gwdummy) { - length += 1; - continue; - } - - if(specs[specidx].font != specs[start].font - || GLYPHCMP(glyphs[gstart], glyphs[idx]) - || selected(x + idx, y) != selected(x + gstart, y) - ) { - hbtransformsegment(specs[start].font, glyphs, runes, gstart, length); - /* reset the sequence. */ - length = 1; - start = specidx; - gstart = idx; - } else { - length += 1; - } - - specidx++; - } - - /* eol */ - hbtransformsegment(specs[start].font, glyphs, runes, gstart, length); - - /* apply the transformation to glyph specs. */ - for(idx = 0, specidx = 0; idx < len; idx++) { - if(glyphs[idx].mode & Gwdummy) - continue; - - if(runes[idx] != specs[specidx].glyph) - ((Letter *)glyphs)[idx].mode |= Gliga; - - specs[specidx++].glyph = runes[idx]; - } - - free(runes); -} - -void -hbtransformsegment(XftFont *xfont, const Letter *glyph, rune *codepoints, int start, int len) -{ - hb_font_t *font = hbfindfont(xfont); - if(!font) - return; - - int i; - rune r; - ushort mode = USHRT_MAX; - hb_buffer_t *buffer = hb_buffer_create(); - hb_buffer_set_direction(buffer, HB_DIRECTION_LTR); - - /* Fill buffer with codepoints. */ - for(i=start; i < (start+len); i++) { - r = glyph[i].u; - mode = glyph[i].mode; - if(mode & Gwdummy) - r = 0x0020; - hb_buffer_add_codepoints(buffer, &r, 1, 0, 1); - } - - /* Shape the segment. */ - hb_shape(font, buffer, features, sizeof(features)); - - /* Get new glyph info. */ - hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, NULL); - - /* Write new codepoints. */ - for(i = 0; i < len; i++) { - r = info[i].codepoint; - codepoints[start+i] = r; - } - - /* Cleanup. */ - hb_buffer_destroy(buffer); -} diff --git a/sys/cmd/term/nonspacing.h b/sys/cmd/term/nonspacing.h deleted file mode 100644 index 5d05a3d..0000000 --- a/sys/cmd/term/nonspacing.h +++ /dev/null @@ -1,89 +0,0 @@ -16,16,16,18,19,20,21,22,23,24,25,26,27,28,29,30,31,16,16,32,16,16,16,33,34,35, -36,37,38,39,16,16,40,16,16,16,16,16,16,16,16,16,16,16,41,42,16,16,43,16,16,16, -16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, -16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, -16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, -16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, -16,16,16,16,16,16,16,16,16,16,44,16,45,46,47,48,16,16,16,16,16,16,16,16,16,16, 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-0,127,255,255,249,219,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,127,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,240,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,127,0,0,0,0,0,0,0,0,0,0,0,0,0,240,7,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0, diff --git a/sys/cmd/term/rules.mk b/sys/cmd/term/rules.mk deleted file mode 100644 index 45c9eb2..0000000 --- a/sys/cmd/term/rules.mk +++ /dev/null @@ -1,24 +0,0 @@ -include share/push.mk -# Iterate through subdirectory tree - -# Local sources -SRCS_$(d) := $(d)/term.c $(d)/x.c #$(d)/hb.c -BINS_$(d) := $(d)/term - -include share/paths.mk - -# Local rules -include share/dynamic.mk -$(BINS_$(d)): TCFLAGS = \ - `$(PKG) --cflags fontconfig` \ - `$(PKG) --cflags freetype2` - -$(BINS_$(d)): TCLIBS = \ - `$(PKG) --libs fontconfig` \ - `$(PKG) --libs freetype2` \ - -lm -lrt -lX11 -lutil -lXft -lXrender #-lharfbuzz - -$(BINS_$(d)): $(OBJS_$(d)) $(OBJ_DIR)/sys/libutf/libutf.a $(OBJ_DIR)/sys/base/base.a - $(COMPLINK) - -include share/pop.mk diff --git a/sys/cmd/term/term.c b/sys/cmd/term/term.c deleted file mode 100644 index 50ab29c..0000000 --- a/sys/cmd/term/term.c +++ /dev/null @@ -1,2417 +0,0 @@ -/* See LICENSE for license details. */ -#include "term.h" - -#include <pwd.h> -#include <termios.h> -#if defined(__linux) - #include <pty.h> -#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) - #include <util.h> -#elif defined(__FreeBSD__) || defined(__DragonFly__) - #include <libutil.h> -#endif - -/* 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)) - -/* forward declare functions */ -static void execsh(char *, char **); -static void stty(char **); -static void sigchld(int); -static void ttywriteraw(char *, size_t); - -static void csidump(void); -static void csihandle(void); -static void csiparse(void); -static void csireset(void); -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 tclearregion(int, int, int, int); -static void tcursor(int); -static void tdeletechar(int); -static void tdeleteline(int); -static void tinsertblank(int); -static void tinsertblankline(int); -static int tlinelen(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 tscrollup(int, int); -static void tscrolldown(int, int); -static void tsetattr(int *, int); -static void tsetchar(rune, Letter *, int, int); -static void tsetdirt(int, int); -static void tsetscroll(int, int); -static void tswapscreen(void); -static void tsetmode(int, int, int *, int); -static int twrite(char *, int, int); -static void tfulldirt(void); -static void tcontrolcode(uchar ); -static void tdectest(char ); -static void tdefutf8(char); -static int32 tdefcolor(int *, int *, int); -static void tdeftran(char); -static void tstrsequence(uchar); - -static void drawregion(int, int, int, int); - -static void selnormalize(void); -static void selscroll(int, int); -static void selsnap(int *, int *, int); - -static char *base64dec(char *); -static char base64dec_getc(char **); - -static uintptr xwrite(int, char *, size_t); -extern int wcwidth(wchar_t wc); - -/* globals */ -static Terminal term; -static Selection sel; -static CSIEscape csiescseq; -static STREscape strescseq; -static int iofd = 1; -static int cmdfd; -static pid_t pid; - -/* functions */ -uintptr -xwrite(int fd, 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))) - fatal("malloc: %s\n", strerror(errno)); - - return p; -} - -void * -xrealloc(void *p, size_t len) -{ - if ((p = realloc(p, len)) == nil) - fatal("realloc: %s\n", strerror(errno)); - - return p; -} - -char * -xstrdup(char *s) -{ - if ((s = strdup(s)) == nil) - fatal("strdup: %s\n", strerror(errno)); - - return s; -} - -static char base64_digits[] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -}; - -char -base64dec_getc(char **src) -{ - while (**src && !isprint(**src)) - (*src)++; - return **src ? *((*src)++) : '='; /* emulate padding if string ends */ -} - -char * -base64dec(char *src) -{ - size_t in_len = strlen(src); - char *result, *dst; - - 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 = SelIdle; - sel.snap = 0; - sel.ob.x = -1; -} - -int -tlinelen(int y) -{ - int i = term.col; - - if (term.line[y][i - 1].mode & Gwrap) - return i; - - while (i > 0 && term.line[y][i - 1].u == ' ') - --i; - - return i; -} - -void -selstart(int col, int row, int snap) -{ - selclear(); - sel.mode = SelEmpty; - sel.type = SelRegular; - sel.alt = IS_SET(Taltscreen); - sel.snap = snap; - sel.oe.x = sel.ob.x = col; - sel.oe.y = sel.ob.y = row; - selnormalize(); - - if (sel.snap != 0) - sel.mode = SelReady; - 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 == SelIdle) - return; - if (done && sel.mode == SelEmpty) { - 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; - selnormalize(); - sel.type = type; - - if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type || sel.mode == SelEmpty) - tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey)); - - sel.mode = done ? SelIdle : SelReady; -} - -void -selnormalize(void) -{ - int i; - - if (sel.type == SelRegular && 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 == SelRectangular) - return; - i = tlinelen(sel.nb.y); - if (i < sel.nb.x) - sel.nb.x = i; - if (tlinelen(sel.ne.y) <= sel.ne.x) - sel.ne.x = term.col - 1; -} - -int -selected(int x, int y) -{ - if(sel.mode == SelEmpty || sel.ob.x == -1 || - sel.alt != IS_SET(Taltscreen)) - return 0; - - if(sel.type == SelRectangular) - return BETWEEN(y, sel.nb.y, sel.ne.y) - && BETWEEN(x, sel.nb.x, sel.ne.x); - - return BETWEEN(y, sel.nb.y, sel.ne.y) - && (y != sel.nb.y || x >= sel.nb.x) - && (y != sel.ne.y || x <= sel.ne.x); -} - -void -selsnap(int *x, int *y, int direction) -{ - int newx, newy, xt, yt; - int delim, prevdelim; - Letter *gp, *prevgp; - - switch (sel.snap) { - case SnapWord: - /* - * Snap around if the word wraps around at the end or - * beginning of a line. - */ - prevgp = &term.line[*y][*x]; - prevdelim = ISDELIM(prevgp->u); - for (;;) { - newx = *x + direction; - newy = *y; - if (!BETWEEN(newx, 0, term.col - 1)) { - newy += direction; - newx = (newx + term.col) % term.col; - if (!BETWEEN(newy, 0, term.row - 1)) - break; - - if (direction > 0) - yt = *y, xt = *x; - else - yt = newy, xt = newx; - if (!(term.line[yt][xt].mode & Gwrap)) - break; - } - - if (newx >= tlinelen(newy)) - break; - - gp = &term.line[newy][newx]; - delim = ISDELIM(gp->u); - if (!(gp->mode & Gwdummy) && (delim != prevdelim - || (delim && gp->u != prevgp->u))) - break; - - *x = newx; - *y = newy; - prevgp = gp; - prevdelim = delim; - } - break; - case SnapLine: - /* - * 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 > 0; *y += direction) { - if (!(term.line[*y-1][term.col-1].mode - & Gwrap)) { - break; - } - } - } else if (direction > 0) { - for (; *y < term.row-1; *y += direction) { - if (!(term.line[*y][term.col-1].mode - & Gwrap)) { - break; - } - } - } - break; - } -} - -char * -getsel(void) -{ - char *str, *ptr; - int y, bufsize, lastx, linelen; - Letter *gp, *last; - - if (sel.ob.x == -1) - return nil; - - bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTFmax; - ptr = str = xmalloc(bufsize); - - /* append every set & selected glyph to the selection */ - for(y = sel.nb.y; y <= sel.ne.y; y++) { - if((linelen = tlinelen(y)) == 0) { - *ptr++ = '\n'; - continue; - } - - if(sel.type == SelRectangular) { - gp = &term.line[y][sel.nb.x]; - lastx = sel.ne.x; - }else{ - gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0]; - lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1; - } - last = &term.line[y][MIN(lastx, linelen-1)]; - while (last >= gp && last->u == ' ') - --last; - - for ( ; gp <= last; ++gp) { - if (gp->mode & Gwdummy) - continue; - - ptr += utf8·encode(&gp->u, ptr); - } - - /* - * 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) && - (!(last->mode & Gwrap) || sel.type == SelRectangular)) - *ptr++ = '\n'; - } - *ptr = 0; - return str; -} - -void -selclear(void) -{ - if (sel.ob.x == -1) - return; - sel.mode = SelIdle; - sel.ob.x = -1; - tsetdirt(sel.nb.y, sel.ne.y); -} - -void -fatal(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; - struct passwd *pw; - - errno = 0; - if ((pw = getpwuid(getuid())) == nil) { - if (errno) - fatal("getpwuid: %s\n", strerror(errno)); - else - fatal("who are you?\n"); - } - - if ((sh = getenv("SHELL")) == nil) - sh = (pw->pw_shell[0]) ? pw->pw_shell : cmd; - - if (args) { - prog = args[0]; - arg = nil; - } else if (scroll) { - prog = scroll; - arg = utmp ? utmp : sh; - } else if (utmp) { - prog = utmp; - arg = nil; - } else { - prog = sh; - arg = nil; - } - DEFAULT(args, ((char *[]) {prog, arg, nil})); - - 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); - - 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) - fatal("waiting for pid %hd failed: %s\n", pid, strerror(errno)); - - if (pid != p) - return; - - if (WIFEXITED(stat) && WEXITSTATUS(stat)) - fatal("child exited with status %d\n", WEXITSTATUS(stat)); - else if (WIFSIGNALED(stat)) - fatal("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) - fatal("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) - fatal("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(char *line, char *cmd, char *out, char **args) -{ - int m, s; - - if (out) { - term.mode |= Tprint; - 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) - fatal("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, nil, nil, nil) < 0) - fatal("openpty failed: %s\n", strerror(errno)); - - switch (pid = fork()) { - case -1: - fatal("fork failed: %s\n", strerror(errno)); - break; - case 0: - close(iofd); - setsid(); /* create a new process group */ - dup2(s, 0); - dup2(s, 1); - dup2(s, 2); - if (ioctl(s, TIOCSCTTY, nil) < 0) - fatal("ioctl TIOCSCTTY failed: %s\n", strerror(errno)); - close(s); - close(m); -#ifdef __OpenBSD__ - if (pledge("stdio getpw proc exec", nil) == -1) - fatal("pledge\n"); -#endif - execsh(cmd, args); - break; - default: -#ifdef __OpenBSD__ - if (pledge("stdio rpath tty proc", nil) == -1) - fatal("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 = read(cmdfd, buf+buflen, arrlen(buf)-buflen); - - switch (ret) { - case 0: - exit(0); - case -1: - fatal("couldn't read from shell: %s\n", strerror(errno)); - default: - buflen += 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(char *s, size_t n, int may_echo) -{ - char *next; - - if (may_echo && IS_SET(Techo)) - twrite(s, n, 1); - - if (!IS_SET(Tcrlf)) { - 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(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, nil, nil, nil) < 0) { - if (errno == EINTR) - continue; - fatal("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: - fatal("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() -{ - /* 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; -} - -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) { - tsetdirt(i, i); - break; - } - } - } -} - -void -tfulldirt(void) -{ - tsetdirt(0, term.row-1); -} - -void -tcursor(int mode) -{ - static Dot c[2]; - int alt = IS_SET(Taltscreen); - - if (mode == CursorSave) { - c[alt] = term.c; - } else if (mode == CursorLoad) { - term.c = c[alt]; - tmoveto(c[alt].x, c[alt].y); - } -} - -void -treset(void) -{ - uint i; - - term.c = (Dot){{ - .mode = Gnil, - .fg = defaultfg, - .bg = defaultbg - }, .x = 0, .y = 0, .state = CursorDefault}; - - 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 = Twrap|Tutf8; - memset(term.trantbl, CSusa, sizeof(term.trantbl)); - term.charset = 0; - - for (i = 0; i < 2; i++) { - tmoveto(0, 0); - tcursor(CursorSave); - tclearregion(0, 0, term.col-1, term.row-1); - tswapscreen(); - } -} - -void -tnew(int col, int row) -{ - term = (Terminal){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } }; - tresize(col, row); - treset(); -} - -void -tswapscreen(void) -{ - Letter **tmp = term.line; - - term.line = term.alt; - term.alt = tmp; - term.mode ^= Taltscreen; - tfulldirt(); -} - -void -tscrolldown(int orig, int n) -{ - int i; - Letter *temp; - - LIMIT(n, 0, term.bot-orig+1); - - tsetdirt(orig, term.bot-n); - tclearregion(0, term.bot-n+1, term.col-1, term.bot); - - for (i = term.bot; i >= orig+n; i--) { - temp = term.line[i]; - term.line[i] = term.line[i-n]; - term.line[i-n] = temp; - } - - selscroll(orig, n); -} - -void -tscrollup(int orig, int n) -{ - int i; - Letter *temp; - - LIMIT(n, 0, term.bot-orig+1); - - tclearregion(0, orig, term.col-1, orig+n-1); - tsetdirt(orig+n, term.bot); - - for (i = orig; i <= term.bot-n; i++) { - temp = term.line[i]; - term.line[i] = term.line[i+n]; - term.line[i+n] = temp; - } - - selscroll(orig, -n); -} - -void -selscroll(int orig, int n) -{ - if (sel.ob.x == -1) - return; - - if (BETWEEN(sel.nb.y, orig, term.bot) != BETWEEN(sel.ne.y, orig, term.bot)) { - selclear(); - } else if (BETWEEN(sel.nb.y, orig, term.bot)) { - sel.ob.y += n; - sel.oe.y += n; - if (sel.ob.y < term.top || sel.ob.y > term.bot || - sel.oe.y < term.top || sel.oe.y > term.bot) { - selclear(); - } else { - selnormalize(); - } - } -} - -void -tnewline(int first_col) -{ - int y = term.c.y; - - if (y == term.bot) { - tscrollup(term.top, 1); - } else { - y++; - } - tmoveto(first_col ? 0 : term.c.x, y); -} - -void -csiparse(void) -{ - char *p = csiescseq.buf, *np; - long int v; - - csiescseq.narg = 0; - if (*p == '?') { - csiescseq.priv = 1; - p++; - } - - csiescseq.buf[csiescseq.len] = '\0'; - while (p < csiescseq.buf+csiescseq.len) { - np = nil; - 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; - if (*p != ';' || 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 & CursorOrigin) ? term.top: 0)); -} - -void -tmoveto(int x, int y) -{ - int miny, maxy; - - if (term.c.state & CursorOrigin) { - miny = term.top; - maxy = term.bot; - } else { - miny = 0; - maxy = term.row - 1; - } - term.c.state &= ~CursorWrap; - term.c.x = LIMIT(x, 0, term.col-1); - term.c.y = LIMIT(y, miny, maxy); -} - -void -tsetchar(rune u, Letter *attr, int x, int y) -{ - static 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 - ~ */ - }; - - /* - * table is proudly stolen from rxvt. - */ - if (term.trantbl[term.charset] == CSgfx0 && - BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41]) - utf8·decode(vt100_0[u - 0x41], &u); - - if (term.line[y][x].mode & Gwide) { - if (x+1 < term.col) { - term.line[y][x+1].u = ' '; - term.line[y][x+1].mode &= ~Gwdummy; - } - } else if (term.line[y][x].mode & Gwdummy) { - term.line[y][x-1].u = ' '; - term.line[y][x-1].mode &= ~Gwide; - } - - term.dirty[y] = 1; - term.line[y][x] = *attr; - term.line[y][x].u = u; -} - -void -tclearregion(int x1, int y1, int x2, int y2) -{ - int x, y, temp; - Letter *gp; - - if(x1 > x2) - temp = x1, x1 = x2, x2 = temp; - if(y1 > y2) - temp = y1, y1 = y2, y2 = temp; - - LIMIT(x1, 0, term.col-1); - LIMIT(x2, 0, term.col-1); - LIMIT(y1, 0, term.row-1); - LIMIT(y2, 0, term.row-1); - - for(y = y1; y <= y2; y++) { - term.dirty[y] = 1; - for(x = x1; x <= x2; x++) { - gp = &term.line[y][x]; - if(selected(x, y)) - selclear(); - gp->fg = term.c.attr.fg; - gp->bg = term.c.attr.bg; - gp->mode = 0; - gp->u = ' '; - } - } -} - -void -tdeletechar(int n) -{ - int dst, src, size; - Letter *line; - - LIMIT(n, 0, term.col - term.c.x); - - dst = term.c.x; - src = term.c.x + n; - size = term.col - src; - line = term.line[term.c.y]; - - memmove(&line[dst], &line[src], size * sizeof(Letter)); - tclearregion(term.col-n, term.c.y, term.col-1, term.c.y); -} - -void -tinsertblank(int n) -{ - int dst, src, size; - Letter *line; - - LIMIT(n, 0, term.col - term.c.x); - - dst = term.c.x + n; - src = term.c.x; - size = term.col - dst; - line = term.line[term.c.y]; - - memmove(&line[dst], &line[src], size * sizeof(Letter)); - tclearregion(src, term.c.y, dst - 1, term.c.y); -} - -void -tinsertblankline(int n) -{ - if (BETWEEN(term.c.y, term.top, term.bot)) - tscrolldown(term.c.y, n); -} - -void -tdeleteline(int n) -{ - if (BETWEEN(term.c.y, term.top, term.bot)) - tscrollup(term.c.y, n); -} - -int32_t -tdefcolor(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(38): 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 color %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(int *attr, int l) -{ - int i; - int32_t idx; - - for (i = 0; i < l; i++) { - switch (attr[i]) { - case 0: - term.c.attr.mode &= ~( - Gbold | - Gfaint | - Gitalic | - Gunline | - Gblink | - Greverse | - Ginvisible | - Gstruck ); - term.c.attr.fg = defaultfg; - term.c.attr.bg = defaultbg; - break; - case 1: - term.c.attr.mode |= Gbold; - break; - case 2: - term.c.attr.mode |= Gfaint; - break; - case 3: - term.c.attr.mode |= Gitalic; - break; - case 4: - term.c.attr.mode |= Gunline; - break; - case 5: /* slow blink */ - /* FALLTHROUGH */ - case 6: /* rapid blink */ - term.c.attr.mode |= Gblink; - break; - case 7: - term.c.attr.mode |= Greverse; - break; - case 8: - term.c.attr.mode |= Ginvisible; - break; - case 9: - term.c.attr.mode |= Gstruck; - break; - case 22: - term.c.attr.mode &= ~(Gbold | Gfaint); - break; - case 23: - term.c.attr.mode &= ~Gitalic; - break; - case 24: - term.c.attr.mode &= ~Gunline; - break; - case 25: - term.c.attr.mode &= ~Gblink; - break; - case 27: - term.c.attr.mode &= ~Greverse; - break; - case 28: - term.c.attr.mode &= ~Ginvisible; - break; - case 29: - term.c.attr.mode &= ~Gstruck; - 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; - 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, int *args, int narg) -{ - int alt, *lim; - - for (lim = args + narg; args < lim; ++args) { - if (priv) { - switch (*args) { - case 1: /* DECCKM -- Cursor key */ - xsetmode(set, Wappcursor); - break; - case 5: /* DECSCNM -- Reverse video */ - xsetmode(set, Wreverse); - break; - case 6: /* DECOM -- Origin */ - MODBIT(term.c.state, set, CursorOrigin); - tmoveato(0, 0); - break; - case 7: /* DECAWM -- Auto wrap */ - MODBIT(term.mode, set, Twrap); - 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, Whide); - break; - case 9: /* X10 mouse compatibility mode */ - xsetpointermotion(0); - xsetmode(0, Wmouse); - xsetmode(set, Wmousex10); - break; - case 1000: /* 1000: report button press */ - xsetpointermotion(0); - xsetmode(0, Wmouse); - xsetmode(set, Wmousebtn); - break; - case 1002: /* 1002: report motion on button press */ - xsetpointermotion(0); - xsetmode(0, Wmouse); - xsetmode(set, Wmousemotion); - break; - case 1003: /* 1003: enable all mouse motions */ - xsetpointermotion(set); - xsetmode(0, Wmouse); - xsetmode(set, Wmousemany); - break; - case 1004: /* 1004: send focus events to tty */ - xsetmode(set, Wfocus); - break; - case 1006: /* 1006: extended reporting mode */ - xsetmode(set, Wmousesgr); - break; - case 1034: - xsetmode(set, W8bit); - break; - case 1049: /* swap screen & set/restore cursor as xterm */ - if (!allowaltscreen) - break; - tcursor((set) ? CursorSave : CursorLoad); - /* FALLTHROUGH */ - case 47: /* swap screen */ - case 1047: - if (!allowaltscreen) - break; - alt = IS_SET(Taltscreen); - if (alt) { - tclearregion(0, 0, term.col-1, - term.row-1); - } - if (set ^ alt) /* set is always 1 or 0 */ - tswapscreen(); - if (*args != 1049) - break; - /* FALLTHROUGH */ - case 1048: - tcursor((set) ? CursorSave : CursorLoad); - break; - case 2004: /* 2004: bracketed paste mode */ - xsetmode(set, Wbrcktpaste); - 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; - 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, Wkbdblock); - break; - case 4: /* IRM -- Insertion-replacement */ - MODBIT(term.mode, set, Tinsert); - break; - case 12: /* SRM -- Send/Receive */ - MODBIT(term.mode, !set, Techo); - break; - case 20: /* LNM -- Linefeed/new line */ - MODBIT(term.mode, set, Tcrlf); - break; - default: - fprintf(stderr, - "erresc: unknown set/reset mode %d\n", - *args); - break; - } - } - } -} - -void -csihandle(void) -{ - char buf[40]; - int len; - - switch (csiescseq.mode[0]) { - default: - unknown: - fprintf(stderr, "erresc: unknown csi "); - csidump(); - /* fatal(""); */ - break; - case '@': /* ICH -- Insert <n> blank char */ - DEFAULT(csiescseq.arg[0], 1); - tinsertblank(csiescseq.arg[0]); - break; - case 'A': /* CUU -- Cursor <n> Up */ - DEFAULT(csiescseq.arg[0], 1); - tmoveto(term.c.x, term.c.y-csiescseq.arg[0]); - break; - case 'B': /* CUD -- Cursor <n> Down */ - case 'e': /* VPR --Cursor <n> 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 &= ~Tprint; - break; - case 5: - term.mode |= Tprint; - 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 <n> more times */ - DEFAULT(csiescseq.arg[0], 1); - if (term.lastc) - while (csiescseq.arg[0]-- > 0) - tputc(term.lastc); - break; - case 'C': /* CUF -- Cursor <n> Forward */ - case 'a': /* HPR -- Cursor <n> Forward */ - DEFAULT(csiescseq.arg[0], 1); - tmoveto(term.c.x+csiescseq.arg[0], term.c.y); - break; - case 'D': /* CUB -- Cursor <n> Backward */ - DEFAULT(csiescseq.arg[0], 1); - tmoveto(term.c.x-csiescseq.arg[0], term.c.y); - break; - case 'E': /* CNL -- Cursor <n> Down and first col */ - DEFAULT(csiescseq.arg[0], 1); - tmoveto(0, term.c.y+csiescseq.arg[0]); - break; - case 'F': /* CPL -- Cursor <n> 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 <col> */ - case '`': /* HPA */ - DEFAULT(csiescseq.arg[0], 1); - tmoveto(csiescseq.arg[0]-1, term.c.y); - break; - case 'H': /* CUP -- Move to <row> <col> */ - 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 <n> 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); - if (term.c.y < term.row-1) { - tclearregion(0, term.c.y+1, term.col-1, - term.row-1); - } - break; - case 1: /* above */ - if (term.c.y > 1) - tclearregion(0, 0, term.col-1, term.c.y-1); - tclearregion(0, term.c.y, term.c.x, term.c.y); - break; - case 2: /* all */ - tclearregion(0, 0, term.col-1, term.row-1); - 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); - break; - case 1: /* left */ - tclearregion(0, term.c.y, term.c.x, term.c.y); - break; - case 2: /* all */ - tclearregion(0, term.c.y, term.col-1, term.c.y); - break; - } - break; - case 'S': /* SU -- Scroll <n> line up */ - DEFAULT(csiescseq.arg[0], 1); - tscrollup(term.top, csiescseq.arg[0]); - break; - case 'T': /* SD -- Scroll <n> line down */ - DEFAULT(csiescseq.arg[0], 1); - tscrolldown(term.top, csiescseq.arg[0]); - break; - case 'L': /* IL -- Insert <n> 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 <n> lines */ - DEFAULT(csiescseq.arg[0], 1); - tdeleteline(csiescseq.arg[0]); - break; - case 'X': /* ECH -- Erase <n> char */ - DEFAULT(csiescseq.arg[0], 1); - tclearregion(term.c.x, term.c.y, - term.c.x + csiescseq.arg[0] - 1, term.c.y); - break; - case 'P': /* DCH -- Delete <n> char */ - DEFAULT(csiescseq.arg[0], 1); - tdeletechar(csiescseq.arg[0]); - break; - case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */ - DEFAULT(csiescseq.arg[0], 1); - tputtab(-csiescseq.arg[0]); - break; - case 'd': /* VPA -- Move to <row> */ - 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 (cursor position) */ - if (csiescseq.arg[0] == 6) { - len = snprintf(buf, sizeof(buf), "\033[%i;%iR", term.c.y+1, term.c.x+1); - ttywrite(buf, len, 0); - } - 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(CursorSave); - break; - case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */ - tcursor(CursorLoad); - 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 -strhandle(void) -{ - char *p = nil, *dec; - int j, narg, par; - - term.esc &= ~(Xstrend|Xstr); - strparse(); - par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0; - - switch (strescseq.type) { - case ']': /* OSC -- Operating System Command */ - switch (par) { - case 0: - case 1: - case 2: - if (narg > 1) - xsettitle(strescseq.args[1]); - 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 4: /* color set */ - if (narg < 3) - break; - p = strescseq.args[2]; - /* FALLTHROUGH */ - case 104: /* color reset, here p = nil */ - j = (narg > 1) ? atoi(strescseq.args[1]) : -1; - if (xsetcolorname(j, p)) { - if (par == 104 && narg <= 1) - 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 - */ - redraw(); - } - return; - } - break; - case 'k': /* old title set compatibility */ - xsettitle(strescseq.args[0]); - return; - case 'P': /* DCS -- Device Control String */ - term.mode |= Xdcs; - 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, "ESC\\\n"); -} - -void -strreset(void) -{ - strescseq = (STREscape){ - .buf = xrealloc(strescseq.buf, STR_BUF_SIZ), - .siz = STR_BUF_SIZ, - }; -} - -void -sendbreak(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(Arg *arg) -{ - term.mode ^= Tprint; -} - -void -printscreen(Arg *arg) -{ - tdump(); -} - -void -printsel(Arg *arg) -{ - tdumpsel(); -} - -void -tdumpsel(void) -{ - char *ptr; - - if ((ptr = getsel())) { - tprinter(ptr, strlen(ptr)); - free(ptr); - } -} - -void -tdumpline(int n) -{ - char buf[UTFmax]; - Letter *bp, *end; - - bp = &term.line[n][0]; - end = &bp[MIN(tlinelen(n), term.col) - 1]; - if (bp != end || bp->u != ' ') { - for ( ; bp <= end; ++bp) - tprinter(buf, utf8·encode(&bp->u, buf)); - } - tprinter("\n", 1); -} - -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 |= Tutf8; - else if (ascii == '@') - term.mode &= ~Tutf8; -} - -void -tdeftran(char ascii) -{ - static char cs[] = "0B"; - static int vcs[] = {CSgfx0, CSusa}; - char *p; - - if ((p = strchr(cs, ascii)) == nil) { - 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 |= Xdcs; - 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 |= Xstr; -} - -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(Tcrlf)); - return; - case '\a': /* BEL */ - if (term.esc & Xstrend) { - /* backwards compatibility to xterm */ - strhandle(); - } else { - xbell(); - } - break; - case '\033': /* ESC */ - csireset(); - term.esc &= ~(Xcsi|Xaltcs|Xtest); - term.esc |= Xstart; - 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 &= ~(Xstrend|Xstr); -} - -/* - * 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 |= Xcsi; - return 0; - case '#': - term.esc |= Xtest; - return 0; - case '%': - term.esc |= Xutf8; - return 0; - case 'P': /* DCS -- Device Control String */ - 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 |= Xaltcs; - return 0; - case 'D': /* IND -- Linefeed */ - if (term.c.y == term.bot) { - tscrollup(term.top, 1); - } 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(); - resettitle(); - xloadcols(); - break; - case '=': /* DECPAM -- Application keypad */ - xsetmode(1, Wappkeypad); - break; - case '>': /* DECPNM -- Normal keypad */ - xsetmode(0, Wappkeypad); - break; - case '7': /* DECSC -- Save Cursor */ - tcursor(CursorSave); - break; - case '8': /* DECRC -- Restore Cursor */ - tcursor(CursorLoad); - break; - case '\\': /* ST -- String Terminator */ - if (term.esc & Xstrend) - 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[UTFmax]; - int control; - int width, len; - rune nu; - Letter *gp; - - control = ISCONTROL(u); - if (u < 127 || !IS_SET(Tutf8 | Tsixel)) { - c[0] = u; - width = len = 1; - } else { - len = utf8·encode(&u, c); - if(!control && (width = wcwidth(u)) == -1) - width = 1; - } - - /* combining characters */ - if(!width){ - if(term.c.x > 0) - gp = &term.line[term.c.y][term.c.x-1]; - else if(term.c.y > 0) - gp = &term.line[term.c.y-1][term.col-1]; - else - return; - -#if 0 - if(!hb_unicode_compose(hb_unicode_funcs_get_default(),gp->u, u, &nu)) { - return; - } -#endif - - gp->u = nu; - return; - } - - if (IS_SET(Tprint)) - 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 & Xstr) { - if (u == '\a' || u == 030 || u == 032 || u == 033 || - ISCONTROLC1(u)) { - term.esc &= ~(Xstart|Xstr|Xdcs); - if (IS_SET(Tsixel)) { - /* TODO: render sixel */; - term.mode &= ~Tsixel; - return; - } - term.esc |= Xstrend; - goto check_control_code; - } - - if(IS_SET(Tsixel)) { - /* TODO: implement sixel mode */ - return; - } - if (term.esc&Xdcs && strescseq.len == 0 && u == 'q') - term.mode |= Tsixel; - - 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 - UTFmax) / 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) { - tcontrolcode(u); - /* - * control codes are not shown ever - */ - if (!term.esc) - term.lastc = 0; - return; - } else if(term.esc & Xstart) { - if (term.esc & Xcsi) { - 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 & Xutf8) { - tdefutf8(u); - } else if (term.esc & Xaltcs) { - tdeftran(u); - } else if (term.esc & Xtest) { - 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; - } - - if(selected(term.c.x, term.c.y)) - selclear(); - - gp = &term.line[term.c.y][term.c.x]; - if(IS_SET(Twrap) && (term.c.state & CursorWrap)) { - gp->mode |= Gwrap; - tnewline(1); - gp = &term.line[term.c.y][term.c.x]; - } - - if(IS_SET(Tinsert) && term.c.x+width < term.col) - memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Letter)); - - if(term.c.x+width > term.col) { - tnewline(1); - 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 |= Gwrap; - if (term.c.x+1 < term.col) { - gp[1].u = '\0'; - gp[1].mode = Gwdummy; - } - } - if(term.c.x+width < term.col) { - tmoveto(term.c.x+width, term.c.y); - }else{ - term.c.state |= CursorWrap; - } -} - -int -twrite(char *buf, int buflen, int show_ctrl) -{ - int charsize; - rune u; - int n; - - for (n = 0; n < buflen; n += charsize) { - if(IS_SET(Tutf8) && !IS_SET(Tsixel)) { - /* process a complete utf8 char */ - charsize = utf8·decode(buf + n, &u); - if(charsize == 0) - break; - } else { - u = buf[n] & 0xFF; - charsize = 1; - } - 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 -tresize(int col, int row) -{ - int i; - int minrow = MIN(row, term.row); - int mincol = MIN(col, term.col); - int *bp; - Dot c; - - if (col < 1 || row < 1) { - fprintf(stderr, - "tresize: error resizing to %dx%d\n", col, row); - return; - } - - /* - * slide screen to keep cursor where we expect it - - * tscrollup would work here, but we can optimize to - * memmove because we're freeing the earlier lines - */ - for (i = 0; i <= term.c.y - row; i++) { - free(term.line[i]); - free(term.alt[i]); - } - /* ensure that both src and dst are not nil */ - if (i > 0) { - memmove(term.line, term.line + i, row * sizeof(Letter*)); - memmove(term.alt, term.alt + i, row * sizeof(Letter*)); - } - for (i += row; i < term.row; i++) { - free(term.line[i]); - free(term.alt[i]); - } - - /* resize to new height */ - term.line = xrealloc(term.line, row * sizeof(Letter*)); - term.alt = xrealloc(term.alt, row * sizeof(Letter*)); - term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty)); - term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs)); - - /* resize each row to new width, zero-pad if needed */ - for (i = 0; i < minrow; i++) { - term.line[i] = xrealloc(term.line[i], col * sizeof(Letter)); - term.alt[i] = xrealloc(term.alt[i], col * sizeof(Letter)); - } - - /* allocate any new rows */ - for (/* i = minrow */; i < row; i++) { - term.line[i] = xmalloc(col * sizeof(Letter)); - term.alt[i] = xmalloc(col * sizeof(Letter)); - } - 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; - } - /* update terminal size */ - term.col = col; - term.row = row; - /* reset scrolling region */ - tsetscroll(0, row-1); - /* make use of the LIMIT in tmoveto */ - tmoveto(term.c.x, term.c.y); - /* Clearing both screens (it makes dirty all lines) */ - c = term.c; - for (i = 0; i < 2; i++) { - if (mincol < col && 0 < minrow) { - tclearregion(mincol, 0, col - 1, minrow - 1); - } - if (0 < col && minrow < row) { - tclearregion(0, minrow, col - 1, row - 1); - } - tswapscreen(); - tcursor(CursorLoad); - } - term.c = c; -} - -void -resettitle(void) -{ - xsettitle(nil); -} - -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(term.line[y], x1, y, x2); - } -} - -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 & Gwdummy) - term.ocx--; - if (term.line[term.c.y][cx].mode & Gwdummy) - cx--; - - drawregion(0, 0, term.col, term.row); - 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/sys/cmd/term/term.h b/sys/cmd/term/term.h deleted file mode 100644 index 6784974..0000000 --- a/sys/cmd/term/term.h +++ /dev/null @@ -1,316 +0,0 @@ -/* See LICENSE for license details. */ -#pragma once - -#include <u.h> -#include <base.h> -#include <libutf.h> - -#include <signal.h> -#include <sys/ioctl.h> -#include <sys/select.h> -#include <sys/types.h> -#include <sys/wait.h> - -#include <harfbuzz/hb.h> - -// ----------------------------------------------------------------------- -// macros - -#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 GLYPHCMP(a, b) (((a).mode & (~Gwrap) & (~Gliga)) != ((b).mode & (~Gwrap) & (~Gliga)) || \ - (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 iota(x) 1 << (x) - -/* arbitrary sizes */ -#define ESC_BUF_SIZ (128*UTFmax) -#define ESC_ARG_SIZ 16 -#define STR_BUF_SIZ ESC_BUF_SIZ -#define STR_ARG_SIZ ESC_ARG_SIZ - -// ----------------------------------------------------------------------- -// constants - -enum { - Gnil, - Gbold = iota(0), - Gfaint = iota(1), - Gitalic = iota(2), - Gunline = iota(3), - Gblink = iota(4), - Greverse = iota(5), - Ginvisible = iota(6), - Gstruck = iota(7), - Gwrap = iota(8), - Gwide = iota(9), - Gwdummy = iota(10), - Gliga = iota(11), - Gboldfaint = Gbold | Gfaint, -}; - -enum { - SelIdle = 0, - SelEmpty = 1, - SelReady = 2 -}; - -enum { - SelRegular = 1, - SelRectangular = 2 -}; - -enum { - SnapWord = 1, - SnapLine = 2 -}; - -/* cursor state */ -enum { - CursorSave, - CursorLoad -}; - -/* cursor mode */ -enum { - CursorDefault = 0, - CursorWrap = 1, - CursorOrigin = 2 -}; - -/* character set */ -enum { - CSgfx0, - CSgfx1, - CSuk, - CSusa, - CSmulti, - CSger, - CSfin, -}; - -/* escape sequences */ -enum { - Xstart = 1, - Xcsi = 2, - Xstr = 4, /* OSC, PM, APC */ - Xaltcs = 8, - Xstrend = 16, /* a final string was encountered */ - Xtest = 32, /* Enter in test mode */ - Xutf8 = 64, - Xdcs =128, -}; - -/* terminal mode */ -enum { - Twrap = iota(0), - Tinsert = iota(1), - Taltscreen = iota(2), - Tcrlf = iota(3), - Techo = iota(4), - Tprint = iota(5), - Tutf8 = iota(6), - Tsixel = iota(7), -}; - -/* window mode */ -enum { - Wvisible = iota(0), - Wfocused = iota(1), - Wappkeypad = iota(2), - Wmousebtn = iota(3), - Wmousemotion = iota(4), - Wreverse = iota(5), - Wkbdblock = iota(6), - Whide = iota(7), - Wappcursor = iota(8), - Wmousesgr = iota(9), - W8bit = iota(10), - Wblink = iota(11), - Wbflink = iota(12), - Wfocus = iota(13), - Wmousex10 = iota(14), - Wmousemany = iota(15), - Wbrcktpaste = iota(16), - Wnumlock = iota(17), - Wmouse = Wmousebtn|Wmousemotion|Wmousex10|Wmousemany, -}; - - -// ----------------------------------------------------------------------- -// types - -/* term.c */ -typedef struct Letter Letter; -typedef struct Dot Dot; -typedef struct Selection Selection; -typedef struct Terminal Terminal; - -typedef union Arg Arg; - -struct Letter { - rune u; /* character code */ - ushort mode; /* attribute flags */ - uint32 fg; /* foreground */ - uint32 bg; /* background */ -}; - -struct Dot { - Letter attr; /* current char attributes */ - int x; - int y; - char state; -}; - -struct Selection { - 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; -}; - -/* Internal representation of the screen */ -struct Terminal { - int row; /* nb row */ - int col; /* nb col */ - Letter **line; /* screen */ - Letter **alt; /* alternate screen */ - int *dirty; /* dirtyness of lines */ - Dot 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; - rune lastc; /* last printed char outside of sequence, 0 if control */ -}; - -/* CSI Escape sequence structs */ -/* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */ -typedef struct { - char buf[ESC_BUF_SIZ]; /* raw string */ - ulong len; /* raw string length */ - char priv; - int arg[ESC_ARG_SIZ]; - int narg; /* nb of args */ - char mode[2]; -} CSIEscape; - -/* STR Escape sequence structs */ -/* ESC type [[ [<priv>] <arg> [;]] <mode>] 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 */ -} STREscape; - -/* x.c */ -typedef struct TermWindow TermWindow; - -struct TermWindow { - int tw, th; /* tty width and height */ - int w, h; /* window width and height */ - int hb, vb; /* horizontal and vertical border (in pix) */ - int ch; /* char height */ - int cw; /* char width */ - int mode; /* window state/mode flags */ - int cursor; /* cursor style */ -}; - -/* used for user hooks */ -union Arg { - int i; - uint ui; - float f; - void *v; - char *s; -}; - -// ----------------------------------------------------------------------- -// x.c (backend functions) - -void xbell(void); -void xclipcopy(void); -void xdrawcursor(int, int, Letter, int, int, Letter, Letter*, int); -void xdrawline(Letter*, int, int, int); -void xfinishdraw(void); -void xloadcols(void); -int xsetcolorname(int, char *); -void xsettitle(char *); -int xsetcursor(int); -void xsetmode(int, uint); -void xsetpointermotion(int); -void xsetsel(char *); -int xstartdraw(void); -void xximspot(int, int); - -void fatal( char *, ...); -void redraw(void); -void draw(void); - -void printscreen(Arg *); -void printsel(Arg *); -void sendbreak(Arg *); -void toggleprinter(Arg *); - -int tattrset(int); -void tnew(int, int); -void tresize(int, int); -void tsetdirtattr(int); -void ttyhangup(void); -int ttynew(char *, char *, char *, char **); -ulong ttyread(void); -void ttyresize(int, int); -void ttywrite( char *, size_t, int); - -void resettitle(void); - -void selclear(void); -void selinit(void); -void selstart(int, int, int); -void selextend(int, int, int, int); -int selected(int, int); -char *getsel(void); - -void *xmalloc(size_t); -void *xrealloc(void *, size_t); -char *xstrdup(char *); - -/* config.h globals */ -extern char *utmp; -extern char *scroll; -extern char *stty_args; -extern char *vtiden; -extern wchar *worddelimiters; -extern int allowaltscreen; -extern int allowwindowops; -extern char *termname; -extern uint tabspaces; -extern uint defaultfg; -extern uint defaultbg; -extern float alpha; diff --git a/sys/cmd/term/term.info b/sys/cmd/term/term.info deleted file mode 100644 index 7b90344..0000000 --- a/sys/cmd/term/term.info +++ /dev/null @@ -1,250 +0,0 @@ -term+mono| simpleterm monocolor, - 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, - 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#4, - 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, - rmcup=\E[?1049l, - 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, - smcup=\E[?1049h, - 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, -# 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, - -term| simpleterm, - use=term+mono, - colors#8, pairs#64, - 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, - -term-256color| simpleterm with 256 colors, - use=term, - ccc, - colors#256, pairs#32767, - oc=\E]104\007, -# 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, - -term-direct| simpleterm with true color, - use=term, - RGB, -# Nicked from xterm-direct - colors#0x1000000, pairs#0x7FFFF, - initc@, op=\E[39;49m, - setab=\E[%?%p1%{8}%<%t4%p1%d%e48;2;%p1%{65536}%/%d;%p1%{256} - %/%{255}%&%d;%p1%{255}%&%d%;m, - setaf=\E[%?%p1%{8}%<%t3%p1%d%e38;2;%p1%{65536}%/%d;%p1%{256} - %/%{255}%&%d;%p1%{255}%&%d%;m, - setb@, setf@, - -term-meta| simpleterm with meta key, - use=term, - km, - rmm=\E[?1034l, - smm=\E[?1034h, - rs2=\E[4l\E>\E[?1034h, - is2=\E[4l\E>\E[?1034h, - -term-meta-256color| simpleterm with meta key and 256 colors, - use=term-256color, - km, - rmm=\E[?1034l, - smm=\E[?1034h, - rs2=\E[4l\E>\E[?1034h, - is2=\E[4l\E>\E[?1034h, - -term-bs| simpleterm with backspace as backspace, - use=term, - kbs=\010, - kdch1=\177, - -term-bs-256color| simpleterm with backspace as backspace and 256colors, - use=term-256color, - kbs=\010, - kdch1=\177, diff --git a/sys/cmd/term/util.c b/sys/cmd/term/util.c deleted file mode 100644 index 3e7d81b..0000000 --- a/sys/cmd/term/util.c +++ /dev/null @@ -1,30 +0,0 @@ -#include <u.h> - -static const uchar table[] = { -#include "nonspacing.h" -}; - -static const uchar wtable[] = { -#include "wide.h" -}; - -int -wcwidth(wchar_t wc) -{ - if (wc < 0xffU) - return (wc+1 & 0x7f) >= 0x21 ? 1 : wc ? -1 : 0; - if ((wc & 0xfffeffffU) < 0xfffe) { - if ((table[table[wc>>8]*32+((wc&255)>>3)]>>(wc&7))&1) - return 0; - if ((wtable[wtable[wc>>8]*32+((wc&255)>>3)]>>(wc&7))&1) - return 2; - return 1; - } - if ((wc & 0xfffe) == 0xfffe) - return -1; - if (wc-0x20000U < 0x20000) - return 2; - if (wc == 0xe0001 || wc-0xe0020U < 0x5f || wc-0xe0100U < 0xef) - return 0; - return 1; -} diff --git a/sys/cmd/term/wide.h b/sys/cmd/term/wide.h deleted file mode 100644 index e403c9a..0000000 --- a/sys/cmd/term/wide.h +++ /dev/null @@ -1,65 +0,0 @@ -16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,18,16,16,16,16,16,16,16,16, -16,16,16,16,16,16,16,16,16,19,16,20,21,22,16,16,16,23,16,16,24,25,26,27,28,17, -17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,29, -17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, -17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, -17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, -17,17,17,17,17,17,17,17,30,16,16,16,16,31,16,16,17,17,17,17,17,17,17,17,17,17, -17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, -17,17,17,17,17,17,17,32,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, -16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,17,17,16,16,16,33, -34,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, -16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, -16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, -16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, -16,16,16,16,16,16,16,16,35,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, -17,17,17,17,17,17,36,17,17,37,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, -16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,17,38,39,16,16, -16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, -16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, -16,16,16,16,16,16,16,40,41,42,43,44,45,46,47,16,48,49,16,16,16,16, -16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255, -255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, -255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, -255,255,255,255,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12,0,6,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,30,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,96,0,0,48,0,0,0,0,0,0,255,15,0,0,0,0,128,0,0,8, -0,2,12,0,96,48,64,16,0,0,4,44,36,32,12,0,0,0,1,0,0,0,80,184,0,0,0,0,0,0,0,224, -0,0,0,1,128,0,0,0,0,0,0,0,0,0,0,0,24,0,0,0,0,0,0,33,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,251,255,255,255,255,255,255,255, -255,255,255,15,0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, -255,255,255,255,255,255,255,255,255,255,255,63,0,0,0,255,15,255,255,255,255, -255,255,255,127,254,255,255,255,255,255,255,255,255,255,127,254,255,255,255, -255,255,255,255,255,255,255,255,255,224,255,255,255,255,255,254,255,255,255, -255,255,255,255,255,255,255,127,255,255,255,255,255,7,255,255,255,255,15,0, -255,255,255,255,255,127,255,255,255,255,255,0,255,255,255,255,255,255,255,255, -255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, -255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,0, -0,0,0,0,0,0,0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, -255,31,255,255,255,255,255,255,127,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255, -255,255,31,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, -255,15,0,0,0,0,0,0,0,0,0,0,0,0,0,255,3,0,0,255,255,255,255,247,255,127,15,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,254,255,255,255,255,255,255,255,255,255,255, -255,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,127,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,15,0,0,0,255,255,255,255,255,255,255,255,255,255,255, -255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, -255,0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, -255,255,255,255,255,255,255,255,255,255,255,255,7,0,255,255,255,127,0,0,0,0,0, -0,7,0,240,0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, -255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, -255,255,255,255,255,255,255,255,255,255,255,255,255,255, -15,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,64,254,7,0,0,0,0,0,0,0,0,0,0,0,0,7,0,255,255,255, -255,255,15,255,1,3,0,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255, -1,224,191,255,255,255,255,255,255,255,255,223,255,255,15,0,255,255,255,255, -255,135,15,0,255,255,17,255,255,255,255,255,255,255,255,127,253,255,255,255, -255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, -159,255,255,255,255,255,255,255,63,0,120,255,255,255,0,0,4,0,0,96,0,16,0,0,0, -0,0,0,0,0,0,0,248,255,255,255,255,255,255,255,255,255,255,0,0,0,0,0,0,255,255, -255,255,255,255,255,255,63,16,39,0,0,24,240,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,255,15,0, -0,0,224,255,255,255,255,255,255,255,255,255,255,255,255,123,252,255,255,255, -255,231,199,255,255,255,231,255,255,255,255,255,255,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,15,7,7,0,63,0,0,0,0,0,0,0,0,0,0,0,0,0, diff --git a/sys/cmd/term/x.c b/sys/cmd/term/x.c deleted file mode 100644 index 27a2e7a..0000000 --- a/sys/cmd/term/x.c +++ /dev/null @@ -1,2070 +0,0 @@ -/* See LICENSE for license details. */ -#include "term.h" - -#include <locale.h> -#include <time.h> - -#include <X11/Xatom.h> -#include <X11/Xlib.h> -#include <X11/cursorfont.h> -#include <X11/keysym.h> -#include <X11/Xft/Xft.h> -#include <X11/XKBlib.h> - -/* harfbuzz additions */ -#if 0 -void hbunloadfonts(); -void hbtransform(XftGlyphFontSpec *, const Letter*, size_t, int, int); -#endif - -/* types used in config.h */ -typedef struct Shortcut Shortcut; -typedef struct MouseShortcut MouseShortcut; -typedef struct Key Key; - -struct Shortcut{ - uint mod; - KeySym keysym; - void (*func)(Arg *); - Arg arg; -}; - -struct MouseShortcut { - uint mod; - uint button; - void (*func)(Arg *); - Arg arg; - uint release; -}; - -struct Key { - KeySym k; - uint mask; - char *s; - /* three-valued logic variables: 0 indifferent, 1 on, -1 off */ - schar appkey; /* application keypad */ - schar appcursor; /* application cursor */ -}; - -/* X modifiers */ -#define XK_ANY_MOD UINT_MAX -#define XK_NO_MOD 0 -#define XK_SWITCH_MOD (1<<13) - -/* function definitions used in config.h */ -static void clipcopy(Arg *); -static void clippaste(Arg *); -static void numlock(Arg *); -static void selpaste(Arg *); -static void zoom(Arg *); -static void zoomabs(Arg *); -static void zoomreset(Arg *); -static void ttysend(Arg *); - -/* config.h for applying patches and the configuration. */ -#include "config.h" - -/* 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) - -typedef XftDraw *Draw; -typedef XftColor Color; -typedef XftGlyphFontSpec GlyphFontSpec; - -/* Purely graphic info */ -typedef struct { - Display *dpy; - Colormap cmap; - Window win; - Drawable buf; - GlyphFontSpec *specbuf; /* font spec buffer used for rendering */ - Atom xembed, wmdeletewin, netwmname, netwmpid; - struct { - XIM xim; - XIC xic; - XPoint spot; - XVaNestedList spotlist; - } ime; - Draw draw; - Visual *vis; - XSetWindowAttributes attrs; - int scr; - int isfixed; /* is fixed geometry? */ - int depth; /* color depth */ - 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; - -/* 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; - -static inline ushort sixd_to_16bit(int); -static int xmakeglyphfontspecs(XftGlyphFontSpec *, Letter *, int, int, int); -static void xdrawglyphfontspecs(XftGlyphFontSpec *, Letter, int, int, int); -static void xdrawglyph(Letter, 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, char *, Color *); -static int xloadfont(Font *, FcPattern *); -static void xloadfonts(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 int mouseaction(XEvent *, 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 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, - [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 */ -static DC dc; -static XWindow xw; -static XSelection xsel; -static TermWindow win; - -/* 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 = nil; -static int frclen = 0; -static int frccap = 0; -static char *usedfont = nil; -static double usedfontsize = 0; -static double defaultfontsize = 0; - -static char *opt_alpha = nil; -static char *opt_class = nil; -static char **opt_cmd = nil; -static char *opt_embed = nil; -static char *opt_font = nil; -static char *opt_io = nil; -static char *opt_line = nil; -static char *opt_name = nil; -static char *opt_title = nil; - -static int oldbutton = 3; /* button event on startup: 3 = release */ - -void -clipcopy(Arg *_) -{ - Atom clipboard; - - free(xsel.clipboard); - xsel.clipboard = nil; - - if (xsel.primary != nil) { - xsel.clipboard = xstrdup(xsel.primary); - clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime); - } -} - -void -clippaste(Arg *_) -{ - Atom clipboard; - - clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard, - xw.win, CurrentTime); -} - -void -selpaste(Arg *_) -{ - XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY, - xw.win, CurrentTime); -} - -void -numlock(Arg *_) -{ - win.mode ^= Wnumlock; -} - -void -zoom(Arg *arg) -{ - Arg larg; - - larg.f = usedfontsize + arg->f; - zoomabs(&larg); -} - -void -zoomabs(Arg *arg) -{ - xunloadfonts(); - xloadfonts(usedfont, arg->f); - cresize(0, 0); - redraw(); - xhints(); -} - -void -zoomreset(Arg *arg) -{ - Arg larg; - - if (defaultfontsize > 0) { - larg.f = defaultfontsize; - zoomabs(&larg); - } -} - -void -ttysend(Arg *arg) -{ - ttywrite(arg->s, strlen(arg->s), 1); -} - -int -evcol(XEvent *e) -{ - int x = e->xbutton.x - win.hb; - LIMIT(x, 0, win.tw - 1); - return x / win.cw; -} - -int -evrow(XEvent *e) -{ - int y = e->xbutton.y - win.vb; - LIMIT(y, 0, win.th - 1); - return y / win.ch; -} - -void -mousesel(XEvent *e, int done) -{ - int type, seltype = SelRegular; - uint state = e->xbutton.state & ~(Button1Mask | forcemousemod); - - for (type = 1; type < arrlen(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, x = evcol(e), y = evrow(e), - button = e->xbutton.button, state = e->xbutton.state; - char buf[40]; - static int ox, oy; - - /* from urxvt */ - if (e->xbutton.type == MotionNotify) { - if (x == ox && y == oy) - return; - if (!IS_SET(Wmousemotion) && !IS_SET(Wmousemany)) - return; - /* MOUSE_MOTION: no reporting if no button is pressed */ - if (IS_SET(Wmousemotion) && oldbutton == 3) - return; - - button = oldbutton + 32; - ox = x; - oy = y; - } else { - if (!IS_SET(Wmousesgr) && e->xbutton.type == ButtonRelease) { - button = 3; - } else { - button -= Button1; - if (button >= 3) - button += 64 - 3; - } - if (e->xbutton.type == ButtonPress) { - oldbutton = button; - ox = x; - oy = y; - } else if (e->xbutton.type == ButtonRelease) { - oldbutton = 3; - /* Wmousex10: no button release reporting */ - if (IS_SET(Wmousex10)) - return; - if (button == 64 || button == 65) - return; - } - } - - if (!IS_SET(Wmousex10)) { - button += ((state & ShiftMask ) ? 4 : 0) - + ((state & Mod4Mask ) ? 8 : 0) - + ((state & ControlMask) ? 16 : 0); - } - - if (IS_SET(Wmousesgr)) { - len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c", - button, x+1, y+1, - e->xbutton.type == ButtonRelease ? 'm' : 'M'); - } else if (x < 223 && y < 223) { - len = snprintf(buf, sizeof(buf), "\033[M%c%c%c", - 32+button, 32+x+1, 32+y+1); - } else { - return; - } - - ttywrite(buf, len, 0); -} - -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; - - /* ignore Button<N>mask for Button<N> - it's set on release */ - uint state = e->xbutton.state & ~buttonmask(e->xbutton.button); - - for (ms = mshortcuts; ms < mshortcuts + arrlen(mshortcuts); ms++) { - if (ms->release == release && - ms->button == e->xbutton.button && - (match(ms->mod, state) || /* exact or forced */ - match(ms->mod, state & ~forcemousemod))) { - ms->func(&(ms->arg)); - return 1; - } - } - - return 0; -} - -void -bpress(XEvent *e) -{ - struct timespec now; - int snap; - - if (IS_SET(Wmouse) && !(e->xbutton.state & forcemousemod)) { - mousereport(e); - return; - } - - if (mouseaction(e, 0)) - return; - - if (e->xbutton.button == 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 = SnapLine; - } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) { - snap = SnapWord; - } else { - snap = 0; - } - xsel.tclick2 = xsel.tclick1; - xsel.tclick1 = now; - - selstart(evcol(e), evrow(e), snap); - } -} - -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; - - 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; - } - - /* - * 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(Wbrcktpaste) && ofs == 0) - ttywrite("\033[200~", 6, 0); - ttywrite((char *)data, nitems * format / 8, 1); - if (IS_SET(Wbrcktpaste) && 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(nil); -} - -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 != nil) { - 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) -{ - if (IS_SET(Wmouse) && !(e->xbutton.state & forcemousemod)) { - mousereport(e); - return; - } - - if (mouseaction(e, 1)) - return; - if (e->xbutton.button == Button1) - mousesel(e, 1); -} - -void -bmotion(XEvent *e) -{ - if (IS_SET(Wmouse) && !(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(1, col); - row = MAX(1, row); - - win.hb = (win.w - col*win.cw)/2; - win.vb = (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, xw.depth); - - XftDrawChange(xw.draw, xw.buf); - xclear(0, 0, win.w, win.h); - - /* resize to new width */ - xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec)); -} - -ushort -sixd_to_16bit(int x) -{ - return x == 0 ? 0 : 0x3737 + 0x2828 * x; -} - -int -xloadcolor(int i, 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(arrlen(colorname), 256); - dc.col = xmalloc(dc.collen * sizeof(Color)); - } - - for (i = 0; i < dc.collen; i++) - if (!xloadcolor(i, nil, &dc.col[i])) { - if (colorname[i]) - fatal("could not allocate color '%s'\n", colorname[i]); - else - fatal("could not allocate color %d\n", i); - } - - if (opt_alpha) - alpha = strtof(opt_alpha, nil); - - dc.col[defaultbg].color.alpha = (ushort)(0xffff * alpha); - dc.col[defaultbg].pixel &= 0x00ffffff; - dc.col[defaultbg].pixel |= (uchar)(0xff*alpha) << 24; - loaded = 1; -} - -int -xsetcolorname(int x, char *name) -{ - Color ncolor; - - if (!BETWEEN(x, 0, dc.collen)) - 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(Wreverse)? defaultfg : defaultbg], x1, y1, x2-x1, y2-y1); -} - -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, nil, nil, nil, 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 -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(nil, configured, FcMatchPattern); - XftDefaultSubstitute(xw.dpy, xw.scr, configured); - - match = FcFontMatch(nil, configured, &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 = nil; - 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(char *fontstr, double fontsize) -{ - FcPattern *pattern; - double fontval; - - if (fontstr[0] == '-') - pattern = XftXlfdParse(fontstr, False, False); - else - pattern = FcNameParse((FcChar8 *)fontstr); - - if (!pattern) - fatal("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)) - fatal("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)) - fatal("can't open font %s\n", fontstr); - - FcPatternDel(pattern, FC_WEIGHT); - FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD); - if (xloadfont(&dc.ibfont, pattern)) - fatal("can't open font %s\n", fontstr); - - FcPatternDel(pattern, FC_SLANT); - FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN); - if (xloadfont(&dc.bfont, pattern)) - fatal("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) -{ -#if 0 - hbunloadfonts(); -#endif - - /* 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); -} - -int -ximopen(Display *dpy) -{ - XIMCallback imdestroy = { .client_data = nil, .callback = ximdestroy }; - XICCallback icdestroy = { .client_data = nil, .callback = xicdestroy }; - - xw.ime.xim = XOpenIM(xw.dpy, nil, nil, nil); - if (xw.ime.xim == nil) - return 0; - - if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &imdestroy, nil)) - fprintf(stderr, "XSetIMValues: " - "Could not set XNDestroyCallback.\n"); - - xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime.spot, - nil); - - if (xw.ime.xic == nil) { - xw.ime.xic = XCreateIC(xw.ime.xim, XNInputStyle, - XIMPreeditNothing | XIMStatusNothing, - XNClientWindow, xw.win, - XNDestroyCallback, &icdestroy, - nil); - } - if (xw.ime.xic == nil) - 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, nil, nil, nil, - ximinstantiate, nil); -} - -void -ximdestroy(XIM xim, XPointer client, XPointer call) -{ - xw.ime.xim = nil; - XRegisterIMInstantiateCallback(xw.dpy, nil, nil, nil, - ximinstantiate, nil); - XFree(xw.ime.spotlist); -} - -int -xicdestroy(XIC xim, XPointer client, XPointer call) -{ - xw.ime.xic = nil; - return 1; -} - -void -xinit(int cols, int rows) -{ - XGCValues gcvalues; - Cursor cursor; - Window parent; - XColor xmousefg, xmousebg; - XWindowAttributes attr; - XVisualInfo vis; - pid_t thispid = getpid(); - - if (!(xw.dpy = XOpenDisplay(nil))) - fatal("can't open display\n"); - - if (!(opt_embed && (parent == strtol(opt_embed, nil, 0)))) { - parent = XRootWindow(xw.dpy, xw.scr); - xw.depth = 32; - } else { - XGetWindowAttributes(xw.dpy, parent, &attr); - xw.depth = attr.depth; - } - - XMatchVisualInfo(xw.dpy, xw.scr, xw.depth, TrueColor, &vis); - xw.vis = vis.visual; - xw.scr = XDefaultScreen(xw.dpy); - - /* font */ - if (!FcInit()) - fatal("could not init fontconfig.\n"); - - usedfont = (opt_font == nil)? font : opt_font; - xloadfonts(usedfont, 0); - - /* colors */ - xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None); - xloadcols(); - - /* adjust fixed window geometry */ - win.w = 2 * win.hb + cols*win.cw; - win.h = 2 * win.vb + 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.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t, - win.w, win.h, 0, xw.depth, InputOutput, - xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity - | CWEventMask | CWColormap, &xw.attrs); - - memset(&gcvalues, 0, sizeof(gcvalues)); - gcvalues.graphics_exposures = False; - - xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth); - dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues); - - 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)); - - /* Xft rendering context */ - xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap); - - /* input methods */ - if (!ximopen(xw.dpy)) - XRegisterIMInstantiateCallback(xw.dpy, nil, nil, nil, ximinstantiate, nil); - - /* white cursor, black outline */ - cursor = XCreateFontCursor(xw.dpy, mouseshape); - XDefineCursor(xw.dpy, xw.win, cursor); - - 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, cursor, &xmousefg, &xmousebg); - - 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); - 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 = Wnumlock; - 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 = nil; - xsel.clipboard = nil; - xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0); - if (xsel.xtarget == None) - xsel.xtarget = XA_STRING; -} - -int -xmakeglyphfontspecs(XftGlyphFontSpec *specs, Letter *glyphs, int len, int x, int y) -{ - float winx = win.hb + x * win.cw, winy = win.vb + y * win.ch, xp, yp; - ushort mode, prevmode = USHRT_MAX; - Font *font = &dc.font; - int frcflags = FRC_NORMAL; - float runewidth = win.cw; - rune r; - FT_UInt glyphidx; - FcResult fcres; - FcPattern *fcpattern, *fontpattern; - FcFontSet *fcsets[] = { nil }; - FcCharSet *fccharset; - int i, f, numspecs = 0; - - for(i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) { - /* Fetch rune and mode for current glyph. */ - r = glyphs[i].u; - mode = glyphs[i].mode; - - /* Skip dummy wide-character spacing. */ -#if 0 - if(mode & Gwdummy) -#endif - if(mode == Gwdummy) - continue; - - /* Determine font for glyph if different from previous glyph. */ - if(prevmode != mode){ - prevmode = mode; - font = &dc.font; - frcflags = FRC_NORMAL; - runewidth = win.cw * ((mode & Gwide) ? 2.0f : 1.0f); - if ((mode & Gitalic) && (mode & Gbold)) { - font = &dc.ibfont; - frcflags = FRC_ITALICBOLD; - } else if (mode & Gitalic) { - font = &dc.ifont; - frcflags = FRC_ITALIC; - } else if (mode & Gbold) { - font = &dc.bfont; - frcflags = FRC_BOLD; - } - yp = winy + font->ascent; - } - - /* lookup character index with default font. */ - glyphidx = XftCharIndex(xw.dpy, font->match, r); - if(glyphidx){ - specs[numspecs].font = font->match; - specs[numspecs].glyph = glyphidx; - specs[numspecs].x = (short)xp; - specs[numspecs].y = (short)yp; - xp += runewidth; - numspecs++; - continue; - } - - /* Fallback on font cache, search the font cache for match. */ - for(f = 0; f < frclen; f++) { - glyphidx = XftCharIndex(xw.dpy, frc[f].font, r); - /* 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 == r) { - 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, r); - 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) - fatal("XftFontOpenPattern failed seeking fallback font: %s\n", - strerror(errno)); - frc[frclen].flags = frcflags; - frc[frclen].unicodep = r; - - glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, r); - - 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; - xp += runewidth; - numspecs++; - } - -#if 0 - hbtransform(specs, glyphs, len, x, y); -#endif - - return numspecs; -} - -void -xdrawglyphfontspecs(XftGlyphFontSpec *specs, Letter base, int len, int x, int y) -{ - int charlen = len * ((base.mode & Gwide) ? 2 : 1); - int winx = win.hb + x * win.cw, winy = win.vb + y * win.ch, width = charlen * win.cw; - 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 & Gitalic && base.mode & Gbold) { - if (dc.ibfont.badslant || dc.ibfont.badweight) - base.fg = defaultattr; - } else if ((base.mode & Gitalic && dc.ifont.badslant) || - (base.mode & Gbold && 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]; - } - - /* Change basic system colors [0-7] to bright system colors [8-15] */ - if ((base.mode & Gfaint) == Gbold && BETWEEN(base.fg, 0, 7)) - fg = &dc.col[base.fg + 8]; - - if (IS_SET(Wreverse)) { - 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 & Gboldfaint) == Gfaint) { - 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 & Greverse) - temp = fg, fg = bg, bg = temp; - - if (base.mode & Gblink && win.mode & Wblink) - fg = bg; - - if (base.mode & Ginvisible) - fg = bg; - - /* Intelligent cleaning up of the borders. */ - if (x == 0) { - xclear(0, (y == 0)? 0 : winy, win.vb, - winy + win.ch + - ((winy + win.ch >= win.vb + win.th)? win.h : 0)); - } - if (winx + width >= win.hb + win.tw) { - xclear(winx + width, (y == 0)? 0 : winy, win.w, - ((winy + win.ch >= win.vb + win.th)? win.h : (winy + win.ch))); - } - if (y == 0) - xclear(winx, 0, winx + width, win.hb); - if (winy + win.ch >= win.hb + win.th) - xclear(winx, winy + win.ch, winx + width, win.h); - - /* Clean up the region we want to draw to. */ - XftDrawRect(xw.draw, bg, winx, winy, width, win.ch); - - /* 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); - - /* Render the glyphs. */ - XftDrawGlyphFontSpec(xw.draw, fg, specs, len); - - /* Render underline and strikethrough. */ - if (base.mode & Gunline) - XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1, width, 1); - - if (base.mode & Gstruck) - XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3, width, 1); - - /* Reset clip to none. */ - XftDrawSetClip(xw.draw, 0); -} - -void -xdrawglyph(Letter g, int x, int y) -{ - int numspecs; - XftGlyphFontSpec spec; - - numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y); - xdrawglyphfontspecs(&spec, g, numspecs, x, y); -} - -void -xdrawcursor(int cx, int cy, Letter g, int ox, int oy, Letter og, Letter *line, int len) -{ - Color drawcol; - - /* remove the old cursor */ - if(selected(ox, oy)) - og.mode ^= Greverse; - xdrawglyph(og, ox, oy); -#if 0 - xdrawline(line, 0, oy, len); -#endif - - if(IS_SET(Whide)) - return; - - /* - * Select the right color for the right mode. - */ - g.mode &= Gbold|Gitalic|Gunline|Gstruck|Gwide; - - if(IS_SET(Wreverse)) { - g.mode |= Greverse; - g.bg = defaultfg; - if (selected(cx, cy)) { - drawcol = dc.col[defaultcs]; - g.fg = defaultrcs; - } else { - drawcol = dc.col[defaultrcs]; - g.fg = defaultcs; - } - } else { - if(selected(cx, cy)) { - g.fg = defaultfg; - g.bg = defaultrcs; - } else { - g.fg = og.bg; //defaultbg; - g.bg = og.fg; //defaultcs; - if (IS_TRUECOL(og.fg)) { - drawcol.color.alpha = 0xffff; - drawcol.color.red = TRUERED(og.fg); - drawcol.color.green = TRUEGREEN(og.fg); - drawcol.color.blue = TRUEBLUE(og.fg); - goto drawnew; - } - } - drawcol = dc.col[g.bg]; - } - -drawnew: - if(IS_SET(Wfocused)) { - switch (win.cursor) { - case 7: /* st extension */ - g.u = 0x2603; /* snowman (U+2603) */ - /* fallthrough */ - case 0: /* Blinking Block */ - case 1: /* Blinking Block (Default) */ - case 2: /* Steady Block */ - xdrawglyph(g, cx, cy); - break; - case 3: /* Blinking Underline */ - case 4: /* Steady Underline */ - XftDrawRect(xw.draw, &drawcol, - win.hb + cx * win.cw, - win.vb + (cy + 1) * win.ch - cursorthickness, - win.cw, cursorthickness); - break; - case 5: /* Blinking bar */ - case 6: /* Steady bar */ - XftDrawRect(xw.draw, &drawcol, - win.hb + cx * win.cw, - win.vb + cy * win.ch, - cursorthickness, win.ch); - break; - } - } else { - XftDrawRect(xw.draw, &drawcol, - win.hb + cx * win.cw, - win.vb + cy * win.ch, - win.cw - 1, 1); - XftDrawRect(xw.draw, &drawcol, - win.hb + cx * win.cw, - win.vb + cy * win.ch, - 1, win.ch - 1); - XftDrawRect(xw.draw, &drawcol, - win.hb + (cx + 1) * win.cw - 1, - win.vb + cy * win.ch, - 1, win.ch - 1); - XftDrawRect(xw.draw, &drawcol, - win.hb + cx * win.cw, - win.vb + (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 -xsettitle(char *p) -{ - XTextProperty prop; - DEFAULT(p, opt_title); - - Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, - &prop); - XSetWMName(xw.dpy, xw.win, &prop); - XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname); - XFree(prop.value); -} - -int -xstartdraw(void) -{ - return IS_SET(Wvisible); -} - -void -xdrawline(Letter *line, int x1, int y1, int x2) -{ - int i, x, ox, numspecs; - Letter base, new; - XftGlyphFontSpec *specs = xw.specbuf; - - numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1); - i = ox = 0; - for (x = x1; x < x2 && i < numspecs; x++) { - new = line[x]; - if (new.mode == Gwdummy) - continue; - if (selected(x, y1)) - new.mode ^= Greverse; - if (i > 0 && GLYPHCMP(base, new)) { - xdrawglyphfontspecs(specs, base, i, ox, y1); - specs += i; - numspecs -= i; - i = 0; - } - if (i == 0) { - ox = x; - base = new; - } - i++; - } - if (i > 0) - xdrawglyphfontspecs(specs, base, i, ox, y1); -} - -void -xfinishdraw(void) -{ - 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(Wreverse)? - defaultfg : defaultbg].pixel); -} - -void -xximspot(int x, int y) -{ - if (xw.ime.xic == nil) - 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, nil); -} - -void -expose(XEvent *ev) -{ - redraw(); -} - -void -visibility(XEvent *ev) -{ - XVisibilityEvent *e = &ev->xvisibility; - - MODBIT(win.mode, e->state != VisibilityFullyObscured, Wvisible); -} - -void -unmap(XEvent *ev) -{ - win.mode &= ~Wvisible; -} - -void -xsetpointermotion(int set) -{ - MODBIT(xw.attrs.event_mask, set, PointerMotionMask); - XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs); -} - -void -xsetmode(int set, uint flags) -{ - int mode = win.mode; - MODBIT(win.mode, set, flags); - if ((win.mode & Wreverse) != (mode & Wreverse)) - redraw(); -} - -int -xsetcursor(int cursor) -{ - if (!BETWEEN(cursor, 0, 7)) /* 7: st extension */ - return 1; - win.cursor = cursor; - 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(Wfocused))) - xseturgency(1); - if (bellvolume) - XkbBell(xw.dpy, xw.win, bellvolume, (Atom)nil); -} - -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 |= Wfocused; - xseturgency(0); - if (IS_SET(Wfocus)) - ttywrite("\033[I", 3, 0); - } else { - if (xw.ime.xic) - XUnsetICFocus(xw.ime.xic); - win.mode &= ~Wfocused; - if (IS_SET(Wfocus)) - 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 < arrlen(mappedkeys); i++) { - if (mappedkeys[i] == k) - break; - } - if (i == arrlen(mappedkeys)) { - if ((k & 0xFFFF) < 0xFD00) - return nil; - } - - for (kp = key; kp < key + arrlen(key); kp++) { - if (kp->k != k) - continue; - - if (!match(kp->mask, state)) - continue; - - if (IS_SET(Wappkeypad) ? kp->appkey < 0 : kp->appkey > 0) - continue; - if (IS_SET(Wnumlock) && kp->appkey == 2) - continue; - - if (IS_SET(Wappcursor) ? kp->appcursor < 0 : kp->appcursor > 0) - continue; - - return kp->s; - } - - return nil; -} - -void -kpress(XEvent *ev) -{ - XKeyEvent *e = &ev->xkey; - KeySym ksym; - char buf[64], *customkey; - int len; - rune c; - Status status; - Shortcut *bp; - - if (IS_SET(Wkbdblock)) - return; - - if (xw.ime.xic) - len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status); - else - len = XLookupString(e, buf, sizeof buf, &ksym, nil); - /* 1. shortcuts */ - for (bp = shortcuts; bp < shortcuts + arrlen(shortcuts); bp++) { - if (ksym == bp->keysym && match(bp->mod, e->state)) { - 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(W8bit)) { - if (*buf < 0177) { - c = *buf | 0x80; - len = utf8·encode(&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 |= Wfocused; - xseturgency(0); - } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) { - win.mode &= ~Wfocused; - } - } 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)) - 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 : nil; - - if (pselect(MAX(xfd, ttyfd)+1, &rfd, nil, nil, tv, nil) < 0) { - if (errno == EINTR) - continue; - fatal("select failed: %s\n", strerror(errno)); - } - clock_gettime(CLOCK_MONOTONIC, &now); - - if (FD_ISSET(ttyfd, &rfd)) - 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 (FD_ISSET(ttyfd, &rfd) || xev) { - if (!drawing) { - trigger = now; - drawing = 1; - } - timeout = (maxlatency - TIMEDIFF(now, trigger)) \ - / maxlatency * minlatency; - if (timeout > 0) - continue; /* we have time, try to find idle */ - } - - /* idle detected or maxlatency exhausted -> draw */ - timeout = -1; - if (blinktimeout && tattrset(Gblink)) { - timeout = blinktimeout - TIMEDIFF(now, lastblink); - if (timeout <= 0) { - if (-timeout > blinktimeout) /* start visible */ - win.mode |= Wblink; - win.mode ^= Wblink; - tsetdirtattr(Gblink); - lastblink = now; - timeout = blinktimeout; - } - } - - draw(); - XFlush(xw.dpy); - drawing = 0; - } -} - -void -usage(void) -{ - fatal("usage: %s [-aiv] [-c class] [-f font] [-A alpha] [-g geometry]" - " [-n name] [-o file]\n" - " [-T title] [-t title] [-w windowid]" - " [[-e] command [args ...]]\n" - " %s [-aiv] [-c class] [-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(cursorshape); - - ARGBEGIN { - case 'a': - allowaltscreen = 0; - break; - case 'A': - opt_alpha = EARGF(usage()); - break; - case 'c': - opt_class = 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': - fatal("%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) ? "term" : opt_cmd[0]; - - setlocale(LC_CTYPE, ""); - XSetLocaleModifiers(""); - - cols = MAX(cols, 1); - rows = MAX(rows, 1); - - tnew(cols, rows); - xinit(cols, rows); - xsetenv(); - selinit(); - - run(); - - return 0; -} |