mirror of https://github.com/tmux/tmux.git
471 lines
13 KiB
C
471 lines
13 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#include "tmux.h"
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static key_code key_string_search_table(const char *);
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static key_code key_string_get_modifiers(const char **);
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static const struct {
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const char *string;
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key_code key;
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} key_string_table[] = {
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/* Function keys. */
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{ "F1", KEYC_F1|KEYC_IMPLIED_META },
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{ "F2", KEYC_F2|KEYC_IMPLIED_META },
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{ "F3", KEYC_F3|KEYC_IMPLIED_META },
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{ "F4", KEYC_F4|KEYC_IMPLIED_META },
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{ "F5", KEYC_F5|KEYC_IMPLIED_META },
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{ "F6", KEYC_F6|KEYC_IMPLIED_META },
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{ "F7", KEYC_F7|KEYC_IMPLIED_META },
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{ "F8", KEYC_F8|KEYC_IMPLIED_META },
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{ "F9", KEYC_F9|KEYC_IMPLIED_META },
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{ "F10", KEYC_F10|KEYC_IMPLIED_META },
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{ "F11", KEYC_F11|KEYC_IMPLIED_META },
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{ "F12", KEYC_F12|KEYC_IMPLIED_META },
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{ "IC", KEYC_IC|KEYC_IMPLIED_META },
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{ "Insert", KEYC_IC|KEYC_IMPLIED_META },
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{ "DC", KEYC_DC|KEYC_IMPLIED_META },
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{ "Delete", KEYC_DC|KEYC_IMPLIED_META },
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{ "Home", KEYC_HOME|KEYC_IMPLIED_META },
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{ "End", KEYC_END|KEYC_IMPLIED_META },
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{ "NPage", KEYC_NPAGE|KEYC_IMPLIED_META },
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{ "PageDown", KEYC_NPAGE|KEYC_IMPLIED_META },
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{ "PgDn", KEYC_NPAGE|KEYC_IMPLIED_META },
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{ "PPage", KEYC_PPAGE|KEYC_IMPLIED_META },
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{ "PageUp", KEYC_PPAGE|KEYC_IMPLIED_META },
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{ "PgUp", KEYC_PPAGE|KEYC_IMPLIED_META },
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{ "Tab", '\011' },
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{ "BTab", KEYC_BTAB },
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{ "Space", ' ' },
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{ "BSpace", KEYC_BSPACE },
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{ "Enter", '\r' },
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{ "Escape", '\033' },
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/* Arrow keys. */
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{ "Up", KEYC_UP|KEYC_CURSOR|KEYC_IMPLIED_META },
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{ "Down", KEYC_DOWN|KEYC_CURSOR|KEYC_IMPLIED_META },
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{ "Left", KEYC_LEFT|KEYC_CURSOR|KEYC_IMPLIED_META },
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{ "Right", KEYC_RIGHT|KEYC_CURSOR|KEYC_IMPLIED_META },
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/* Numeric keypad. */
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{ "KP/", KEYC_KP_SLASH|KEYC_KEYPAD },
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{ "KP*", KEYC_KP_STAR|KEYC_KEYPAD },
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{ "KP-", KEYC_KP_MINUS|KEYC_KEYPAD },
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{ "KP7", KEYC_KP_SEVEN|KEYC_KEYPAD },
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{ "KP8", KEYC_KP_EIGHT|KEYC_KEYPAD },
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{ "KP9", KEYC_KP_NINE|KEYC_KEYPAD },
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{ "KP+", KEYC_KP_PLUS|KEYC_KEYPAD },
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{ "KP4", KEYC_KP_FOUR|KEYC_KEYPAD },
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{ "KP5", KEYC_KP_FIVE|KEYC_KEYPAD },
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{ "KP6", KEYC_KP_SIX|KEYC_KEYPAD },
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{ "KP1", KEYC_KP_ONE|KEYC_KEYPAD },
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{ "KP2", KEYC_KP_TWO|KEYC_KEYPAD },
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{ "KP3", KEYC_KP_THREE|KEYC_KEYPAD },
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{ "KPEnter", KEYC_KP_ENTER|KEYC_KEYPAD },
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{ "KP0", KEYC_KP_ZERO|KEYC_KEYPAD },
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{ "KP.", KEYC_KP_PERIOD|KEYC_KEYPAD },
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/* Mouse keys. */
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KEYC_MOUSE_STRING(MOUSEDOWN1, MouseDown1),
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KEYC_MOUSE_STRING(MOUSEDOWN2, MouseDown2),
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KEYC_MOUSE_STRING(MOUSEDOWN3, MouseDown3),
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KEYC_MOUSE_STRING(MOUSEDOWN6, MouseDown6),
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KEYC_MOUSE_STRING(MOUSEDOWN7, MouseDown7),
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KEYC_MOUSE_STRING(MOUSEDOWN8, MouseDown8),
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KEYC_MOUSE_STRING(MOUSEDOWN9, MouseDown9),
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KEYC_MOUSE_STRING(MOUSEDOWN10, MouseDown10),
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KEYC_MOUSE_STRING(MOUSEDOWN11, MouseDown11),
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KEYC_MOUSE_STRING(MOUSEUP1, MouseUp1),
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KEYC_MOUSE_STRING(MOUSEUP2, MouseUp2),
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KEYC_MOUSE_STRING(MOUSEUP3, MouseUp3),
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KEYC_MOUSE_STRING(MOUSEUP6, MouseUp6),
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KEYC_MOUSE_STRING(MOUSEUP7, MouseUp7),
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KEYC_MOUSE_STRING(MOUSEUP8, MouseUp8),
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KEYC_MOUSE_STRING(MOUSEUP9, MouseUp9),
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KEYC_MOUSE_STRING(MOUSEUP10, MouseUp10),
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KEYC_MOUSE_STRING(MOUSEUP11, MouseUp11),
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KEYC_MOUSE_STRING(MOUSEDRAG1, MouseDrag1),
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KEYC_MOUSE_STRING(MOUSEDRAG2, MouseDrag2),
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KEYC_MOUSE_STRING(MOUSEDRAG3, MouseDrag3),
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KEYC_MOUSE_STRING(MOUSEDRAG6, MouseDrag6),
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KEYC_MOUSE_STRING(MOUSEDRAG7, MouseDrag7),
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KEYC_MOUSE_STRING(MOUSEDRAG8, MouseDrag8),
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KEYC_MOUSE_STRING(MOUSEDRAG9, MouseDrag9),
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KEYC_MOUSE_STRING(MOUSEDRAG10, MouseDrag10),
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KEYC_MOUSE_STRING(MOUSEDRAG11, MouseDrag11),
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KEYC_MOUSE_STRING(MOUSEDRAGEND1, MouseDragEnd1),
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KEYC_MOUSE_STRING(MOUSEDRAGEND2, MouseDragEnd2),
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KEYC_MOUSE_STRING(MOUSEDRAGEND3, MouseDragEnd3),
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KEYC_MOUSE_STRING(MOUSEDRAGEND6, MouseDragEnd6),
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KEYC_MOUSE_STRING(MOUSEDRAGEND7, MouseDragEnd7),
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KEYC_MOUSE_STRING(MOUSEDRAGEND8, MouseDragEnd8),
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KEYC_MOUSE_STRING(MOUSEDRAGEND9, MouseDragEnd9),
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KEYC_MOUSE_STRING(MOUSEDRAGEND10, MouseDragEnd10),
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KEYC_MOUSE_STRING(MOUSEDRAGEND11, MouseDragEnd11),
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KEYC_MOUSE_STRING(WHEELUP, WheelUp),
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KEYC_MOUSE_STRING(WHEELDOWN, WheelDown),
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KEYC_MOUSE_STRING(SECONDCLICK1, SecondClick1),
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KEYC_MOUSE_STRING(SECONDCLICK2, SecondClick2),
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KEYC_MOUSE_STRING(SECONDCLICK3, SecondClick3),
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KEYC_MOUSE_STRING(SECONDCLICK6, SecondClick6),
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KEYC_MOUSE_STRING(SECONDCLICK7, SecondClick7),
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KEYC_MOUSE_STRING(SECONDCLICK8, SecondClick8),
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KEYC_MOUSE_STRING(SECONDCLICK9, SecondClick9),
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KEYC_MOUSE_STRING(SECONDCLICK10, SecondClick10),
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KEYC_MOUSE_STRING(SECONDCLICK11, SecondClick11),
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KEYC_MOUSE_STRING(DOUBLECLICK1, DoubleClick1),
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KEYC_MOUSE_STRING(DOUBLECLICK2, DoubleClick2),
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KEYC_MOUSE_STRING(DOUBLECLICK3, DoubleClick3),
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KEYC_MOUSE_STRING(DOUBLECLICK6, DoubleClick6),
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KEYC_MOUSE_STRING(DOUBLECLICK7, DoubleClick7),
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KEYC_MOUSE_STRING(DOUBLECLICK8, DoubleClick8),
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KEYC_MOUSE_STRING(DOUBLECLICK9, DoubleClick9),
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KEYC_MOUSE_STRING(DOUBLECLICK10, DoubleClick10),
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KEYC_MOUSE_STRING(DOUBLECLICK11, DoubleClick11),
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KEYC_MOUSE_STRING(TRIPLECLICK1, TripleClick1),
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KEYC_MOUSE_STRING(TRIPLECLICK2, TripleClick2),
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KEYC_MOUSE_STRING(TRIPLECLICK3, TripleClick3),
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KEYC_MOUSE_STRING(TRIPLECLICK6, TripleClick6),
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KEYC_MOUSE_STRING(TRIPLECLICK7, TripleClick7),
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KEYC_MOUSE_STRING(TRIPLECLICK8, TripleClick8),
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KEYC_MOUSE_STRING(TRIPLECLICK9, TripleClick9),
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KEYC_MOUSE_STRING(TRIPLECLICK10, TripleClick10),
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KEYC_MOUSE_STRING(TRIPLECLICK11, TripleClick11)
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};
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/* Find key string in table. */
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static key_code
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key_string_search_table(const char *string)
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{
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u_int i, user;
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for (i = 0; i < nitems(key_string_table); i++) {
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if (strcasecmp(string, key_string_table[i].string) == 0)
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return (key_string_table[i].key);
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}
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if (sscanf(string, "User%u", &user) == 1 && user < KEYC_NUSER)
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return (KEYC_USER + user);
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return (KEYC_UNKNOWN);
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}
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/* Find modifiers. */
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static key_code
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key_string_get_modifiers(const char **string)
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{
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key_code modifiers;
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modifiers = 0;
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while (((*string)[0] != '\0') && (*string)[1] == '-') {
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switch ((*string)[0]) {
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case 'C':
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case 'c':
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modifiers |= KEYC_CTRL;
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break;
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case 'M':
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case 'm':
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modifiers |= KEYC_META;
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break;
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case 'S':
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case 's':
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modifiers |= KEYC_SHIFT;
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break;
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default:
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*string = NULL;
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return (0);
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}
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*string += 2;
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}
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return (modifiers);
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}
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/* Lookup a string and convert to a key value. */
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key_code
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key_string_lookup_string(const char *string)
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{
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static const char *other = "!#()+,-.0123456789:;<=>'\r\t\177`/";
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key_code key, modifiers;
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u_int u, i;
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struct utf8_data ud, *udp;
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enum utf8_state more;
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utf8_char uc;
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char m[MB_LEN_MAX + 1];
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int mlen;
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/* Is this no key or any key? */
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if (strcasecmp(string, "None") == 0)
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return (KEYC_NONE);
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if (strcasecmp(string, "Any") == 0)
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return (KEYC_ANY);
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/* Is this a hexadecimal value? */
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if (string[0] == '0' && string[1] == 'x') {
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if (sscanf(string + 2, "%x", &u) != 1)
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return (KEYC_UNKNOWN);
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if (u < 32)
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return (u);
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mlen = wctomb(m, u);
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if (mlen <= 0 || mlen > MB_LEN_MAX)
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return (KEYC_UNKNOWN);
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m[mlen] = '\0';
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udp = utf8_fromcstr(m);
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if (udp == NULL ||
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udp[0].size == 0 ||
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udp[1].size != 0 ||
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utf8_from_data(&udp[0], &uc) != UTF8_DONE) {
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free(udp);
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return (KEYC_UNKNOWN);
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}
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free(udp);
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return (uc);
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}
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/* Check for modifiers. */
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modifiers = 0;
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if (string[0] == '^' && string[1] != '\0') {
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modifiers |= KEYC_CTRL;
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string++;
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}
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modifiers |= key_string_get_modifiers(&string);
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if (string == NULL || string[0] == '\0')
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return (KEYC_UNKNOWN);
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/* Is this a standard ASCII key? */
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if (string[1] == '\0' && (u_char)string[0] <= 127) {
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key = (u_char)string[0];
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if (key < 32)
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return (KEYC_UNKNOWN);
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} else {
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/* Try as a UTF-8 key. */
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if ((more = utf8_open(&ud, (u_char)*string)) == UTF8_MORE) {
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if (strlen(string) != ud.size)
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return (KEYC_UNKNOWN);
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for (i = 1; i < ud.size; i++)
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more = utf8_append(&ud, (u_char)string[i]);
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if (more != UTF8_DONE)
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return (KEYC_UNKNOWN);
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if (utf8_from_data(&ud, &uc) != UTF8_DONE)
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return (KEYC_UNKNOWN);
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return (uc|modifiers);
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}
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/* Otherwise look the key up in the table. */
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key = key_string_search_table(string);
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if (key == KEYC_UNKNOWN)
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return (KEYC_UNKNOWN);
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if (~modifiers & KEYC_META)
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key &= ~KEYC_IMPLIED_META;
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}
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/* Convert the standard control keys. */
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if (key <= 127 &&
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(modifiers & KEYC_CTRL) &&
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strchr(other, key) == NULL &&
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key != 9 &&
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key != 13 &&
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key != 27) {
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if (key >= 97 && key <= 122)
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key -= 96;
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else if (key >= 64 && key <= 95)
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key -= 64;
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else if (key == 32)
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key = 0;
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else if (key == 63)
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key = 127;
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else
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return (KEYC_UNKNOWN);
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modifiers &= ~KEYC_CTRL;
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}
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return (key|modifiers);
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}
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/* Convert a key code into string format, with prefix if necessary. */
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const char *
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key_string_lookup_key(key_code key, int with_flags)
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{
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key_code saved = key;
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static char out[64];
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char tmp[8];
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const char *s;
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u_int i;
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struct utf8_data ud;
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size_t off;
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*out = '\0';
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/* Literal keys are themselves. */
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if (key & KEYC_LITERAL) {
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snprintf(out, sizeof out, "%c", (int)(key & 0xff));
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goto out;
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}
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/* Display C-@ as C-Space. */
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if ((key & (KEYC_MASK_KEY|KEYC_MASK_MODIFIERS)) == 0)
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key = ' '|KEYC_CTRL;
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/* Fill in the modifiers. */
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if (key & KEYC_CTRL)
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strlcat(out, "C-", sizeof out);
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if (key & KEYC_META)
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strlcat(out, "M-", sizeof out);
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if (key & KEYC_SHIFT)
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strlcat(out, "S-", sizeof out);
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key &= KEYC_MASK_KEY;
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/* Handle no key. */
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if (key == KEYC_NONE) {
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s = "None";
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goto append;
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}
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/* Handle special keys. */
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if (key == KEYC_UNKNOWN) {
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s = "Unknown";
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goto append;
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}
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if (key == KEYC_ANY) {
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s = "Any";
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goto append;
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}
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if (key == KEYC_FOCUS_IN) {
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s = "FocusIn";
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goto append;
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}
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if (key == KEYC_FOCUS_OUT) {
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s = "FocusOut";
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goto append;
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}
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if (key == KEYC_PASTE_START) {
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s = "PasteStart";
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goto append;
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}
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if (key == KEYC_PASTE_END) {
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s = "PasteEnd";
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goto append;
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}
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if (key == KEYC_MOUSE) {
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s = "Mouse";
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goto append;
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}
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if (key == KEYC_DRAGGING) {
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s = "Dragging";
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goto append;
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}
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if (key == KEYC_MOUSEMOVE_PANE) {
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s = "MouseMovePane";
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goto append;
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}
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if (key == KEYC_MOUSEMOVE_STATUS) {
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s = "MouseMoveStatus";
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goto append;
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}
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if (key == KEYC_MOUSEMOVE_STATUS_LEFT) {
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s = "MouseMoveStatusLeft";
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goto append;
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}
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if (key == KEYC_MOUSEMOVE_STATUS_RIGHT) {
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s = "MouseMoveStatusRight";
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goto append;
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}
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if (key == KEYC_MOUSEMOVE_BORDER) {
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s = "MouseMoveBorder";
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goto append;
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}
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if (key >= KEYC_USER && key < KEYC_USER + KEYC_NUSER) {
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snprintf(tmp, sizeof tmp, "User%u", (u_int)(key - KEYC_USER));
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strlcat(out, tmp, sizeof out);
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goto out;
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}
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/* Try the key against the string table. */
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for (i = 0; i < nitems(key_string_table); i++) {
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if (key == (key_string_table[i].key & KEYC_MASK_KEY))
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break;
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}
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if (i != nitems(key_string_table)) {
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strlcat(out, key_string_table[i].string, sizeof out);
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goto out;
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}
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/* Is this a Unicode key? */
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if (KEYC_IS_UNICODE(key)) {
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utf8_to_data(key, &ud);
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off = strlen(out);
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memcpy(out + off, ud.data, ud.size);
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out[off + ud.size] = '\0';
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goto out;
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}
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/* Invalid keys are errors. */
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if (key > 255) {
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snprintf(out, sizeof out, "Invalid#%llx", saved);
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goto out;
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}
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/* Check for standard or control key. */
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if (key <= 32) {
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if (key == 0 || key > 26)
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xsnprintf(tmp, sizeof tmp, "C-%c", (int)(64 + key));
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else
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xsnprintf(tmp, sizeof tmp, "C-%c", (int)(96 + key));
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} else if (key >= 32 && key <= 126) {
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tmp[0] = key;
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tmp[1] = '\0';
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} else if (key == 127)
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xsnprintf(tmp, sizeof tmp, "C-?");
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else if (key >= 128)
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xsnprintf(tmp, sizeof tmp, "\\%llo", key);
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strlcat(out, tmp, sizeof out);
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goto out;
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append:
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strlcat(out, s, sizeof out);
|
|
|
|
out:
|
|
if (with_flags && (saved & KEYC_MASK_FLAGS) != 0) {
|
|
strlcat(out, "[", sizeof out);
|
|
if (saved & KEYC_LITERAL)
|
|
strlcat(out, "L", sizeof out);
|
|
if (saved & KEYC_KEYPAD)
|
|
strlcat(out, "K", sizeof out);
|
|
if (saved & KEYC_CURSOR)
|
|
strlcat(out, "C", sizeof out);
|
|
if (saved & KEYC_IMPLIED_META)
|
|
strlcat(out, "I", sizeof out);
|
|
if (saved & KEYC_BUILD_MODIFIERS)
|
|
strlcat(out, "B", sizeof out);
|
|
if (saved & KEYC_EXTENDED)
|
|
strlcat(out, "E", sizeof out);
|
|
if (saved & KEYC_SENT)
|
|
strlcat(out, "S", sizeof out);
|
|
strlcat(out, "]", sizeof out);
|
|
}
|
|
return (out);
|
|
}
|