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Annotation of src/usr.bin/tmux/mode-key.c, Revision 1.42

1.42    ! nicm        1: /* $OpenBSD: mode-key.c,v 1.41 2011/12/01 20:44:12 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/types.h>
                     20:
1.11      nicm       21: #include <string.h>
                     22:
1.1       nicm       23: #include "tmux.h"
                     24:
1.10      nicm       25: /*
                     26:  * Mode keys. These are the key bindings used when editing (status prompt), and
                     27:  * in the modes. They are split into two sets of three tables, one set of three
                     28:  * for vi and the other for emacs key bindings. The three tables are for
                     29:  * editing, for menu-like modes (choice, more), and for copy modes (copy,
                     30:  * scroll).
                     31:  *
                     32:  * The fixed tables of struct mode_key_entry below are the defaults: they are
                     33:  * built into a tree of struct mode_key_binding by mode_key_init_trees, which
                     34:  * can then be modified.
                     35:  *
                     36:  * vi command mode is handled by having a mode flag in the struct which allows
                     37:  * two sets of bindings to be swapped between. A couple of editing commands
                     38:  * (MODEKEYEDIT_SWITCHMODE and MODEKEYEDIT_SWITCHMODEAPPEND) are special-cased
                     39:  * to do this.
                     40:  */
                     41:
                     42: /* Edit keys command strings. */
1.36      nicm       43: const struct mode_key_cmdstr mode_key_cmdstr_edit[] = {
1.10      nicm       44:        { MODEKEYEDIT_BACKSPACE, "backspace" },
1.25      nicm       45:        { MODEKEYEDIT_CANCEL, "cancel" },
1.10      nicm       46:        { MODEKEYEDIT_COMPLETE, "complete" },
                     47:        { MODEKEYEDIT_CURSORLEFT, "cursor-left" },
                     48:        { MODEKEYEDIT_CURSORRIGHT, "cursor-right" },
                     49:        { MODEKEYEDIT_DELETE, "delete" },
1.16      nicm       50:        { MODEKEYEDIT_DELETELINE, "delete-line" },
1.10      nicm       51:        { MODEKEYEDIT_DELETETOENDOFLINE, "delete-end-of-line" },
1.40      nicm       52:        { MODEKEYEDIT_DELETEWORD, "delete-word" },
1.10      nicm       53:        { MODEKEYEDIT_ENDOFLINE, "end-of-line" },
                     54:        { MODEKEYEDIT_ENTER, "enter" },
                     55:        { MODEKEYEDIT_HISTORYDOWN, "history-down" },
                     56:        { MODEKEYEDIT_HISTORYUP, "history-up" },
1.40      nicm       57:        { MODEKEYEDIT_NEXTWORD, "next-word" },
                     58:        { MODEKEYEDIT_NEXTWORDEND, "next-word-end" },
1.10      nicm       59:        { MODEKEYEDIT_PASTE, "paste" },
1.40      nicm       60:        { MODEKEYEDIT_PREVIOUSWORD, "previous-word" },
1.10      nicm       61:        { MODEKEYEDIT_STARTOFLINE, "start-of-line" },
                     62:        { MODEKEYEDIT_SWITCHMODE, "switch-mode" },
                     63:        { MODEKEYEDIT_SWITCHMODEAPPEND, "switch-mode-append" },
1.17      nicm       64:        { MODEKEYEDIT_TRANSPOSECHARS, "transpose-chars" },
1.11      nicm       65:
                     66:        { 0, NULL }
1.10      nicm       67: };
1.25      nicm       68:
1.10      nicm       69: /* Choice keys command strings. */
1.36      nicm       70: const struct mode_key_cmdstr mode_key_cmdstr_choice[] = {
1.10      nicm       71:        { MODEKEYCHOICE_CANCEL, "cancel" },
                     72:        { MODEKEYCHOICE_CHOOSE, "choose" },
                     73:        { MODEKEYCHOICE_DOWN, "down" },
                     74:        { MODEKEYCHOICE_PAGEDOWN, "page-down" },
                     75:        { MODEKEYCHOICE_PAGEUP, "page-up" },
1.30      nicm       76:        { MODEKEYCHOICE_SCROLLDOWN, "scroll-down" },
                     77:        { MODEKEYCHOICE_SCROLLUP, "scroll-up" },
1.10      nicm       78:        { MODEKEYCHOICE_UP, "up" },
1.11      nicm       79:
                     80:        { 0, NULL }
1.10      nicm       81: };
                     82:
                     83: /* Copy keys command strings. */
1.36      nicm       84: const struct mode_key_cmdstr mode_key_cmdstr_copy[] = {
1.15      nicm       85:        { MODEKEYCOPY_BACKTOINDENTATION, "back-to-indentation" },
1.23      nicm       86:        { MODEKEYCOPY_BOTTOMLINE, "bottom-line" },
1.10      nicm       87:        { MODEKEYCOPY_CANCEL, "cancel" },
                     88:        { MODEKEYCOPY_CLEARSELECTION, "clear-selection" },
1.38      nicm       89:        { MODEKEYCOPY_COPYLINE, "copy-line" },
                     90:        { MODEKEYCOPY_COPYENDOFLINE, "copy-end-of-line" },
1.10      nicm       91:        { MODEKEYCOPY_COPYSELECTION, "copy-selection" },
                     92:        { MODEKEYCOPY_DOWN, "cursor-down" },
                     93:        { MODEKEYCOPY_ENDOFLINE, "end-of-line" },
1.15      nicm       94:        { MODEKEYCOPY_GOTOLINE, "goto-line" },
1.27      nicm       95:        { MODEKEYCOPY_HISTORYBOTTOM, "history-bottom" },
                     96:        { MODEKEYCOPY_HISTORYTOP, "history-top" },
1.35      nicm       97:        { MODEKEYCOPY_JUMP, "jump-forward" },
                     98:        { MODEKEYCOPY_JUMPAGAIN, "jump-again" },
                     99:        { MODEKEYCOPY_JUMPREVERSE, "jump-reverse" },
                    100:        { MODEKEYCOPY_JUMPBACK, "jump-backward" },
1.42    ! nicm      101:        { MODEKEYCOPY_JUMPTO, "jump-to-forward" },
        !           102:        { MODEKEYCOPY_JUMPTOBACK, "jump-to-backward" },
1.10      nicm      103:        { MODEKEYCOPY_LEFT, "cursor-left" },
1.32      nicm      104:        { MODEKEYCOPY_RECTANGLETOGGLE, "rectangle-toggle" },
1.23      nicm      105:        { MODEKEYCOPY_MIDDLELINE, "middle-line" },
1.10      nicm      106:        { MODEKEYCOPY_NEXTPAGE, "page-down" },
1.31      nicm      107:        { MODEKEYCOPY_NEXTSPACE, "next-space" },
                    108:        { MODEKEYCOPY_NEXTSPACEEND, "next-space-end" },
1.10      nicm      109:        { MODEKEYCOPY_NEXTWORD, "next-word" },
1.28      nicm      110:        { MODEKEYCOPY_NEXTWORDEND, "next-word-end" },
1.10      nicm      111:        { MODEKEYCOPY_PREVIOUSPAGE, "page-up" },
1.31      nicm      112:        { MODEKEYCOPY_PREVIOUSSPACE, "previous-space" },
1.10      nicm      113:        { MODEKEYCOPY_PREVIOUSWORD, "previous-word" },
                    114:        { MODEKEYCOPY_RIGHT, "cursor-right" },
1.21      nicm      115:        { MODEKEYCOPY_SCROLLDOWN, "scroll-down" },
                    116:        { MODEKEYCOPY_SCROLLUP, "scroll-up" },
1.15      nicm      117:        { MODEKEYCOPY_SEARCHAGAIN, "search-again" },
                    118:        { MODEKEYCOPY_SEARCHDOWN, "search-forward" },
1.33      nicm      119:        { MODEKEYCOPY_SEARCHREVERSE, "search-reverse" },
1.15      nicm      120:        { MODEKEYCOPY_SEARCHUP, "search-backward" },
1.38      nicm      121:        { MODEKEYCOPY_SELECTLINE, "select-line" },
1.34      nicm      122:        { MODEKEYCOPY_STARTNUMBERPREFIX, "start-number-prefix" },
1.10      nicm      123:        { MODEKEYCOPY_STARTOFLINE, "start-of-line" },
                    124:        { MODEKEYCOPY_STARTSELECTION, "begin-selection" },
1.23      nicm      125:        { MODEKEYCOPY_TOPLINE, "top-line" },
1.10      nicm      126:        { MODEKEYCOPY_UP, "cursor-up" },
1.11      nicm      127:
                    128:        { 0, NULL }
1.10      nicm      129: };
                    130:
1.8       nicm      131: /* vi editing keys. */
                    132: const struct mode_key_entry mode_key_vi_edit[] = {
                    133:        { '\003' /* C-c */,     0, MODEKEYEDIT_CANCEL },
                    134:        { '\010' /* C-h */,     0, MODEKEYEDIT_BACKSPACE },
1.39      nicm      135:        { '\011' /* Tab */,     0, MODEKEYEDIT_COMPLETE },
1.40      nicm      136:        { '\025' /* C-u */,     0, MODEKEYEDIT_DELETELINE },
                    137:        { '\027' /* C-w */,     0, MODEKEYEDIT_DELETEWORD },
1.8       nicm      138:        { '\033' /* Escape */,  0, MODEKEYEDIT_SWITCHMODE },
                    139:        { '\r',                 0, MODEKEYEDIT_ENTER },
                    140:        { KEYC_BSPACE,          0, MODEKEYEDIT_BACKSPACE },
                    141:        { KEYC_DC,              0, MODEKEYEDIT_DELETE },
1.39      nicm      142:        { KEYC_DOWN,            0, MODEKEYEDIT_HISTORYDOWN },
                    143:        { KEYC_LEFT,            0, MODEKEYEDIT_CURSORLEFT },
                    144:        { KEYC_RIGHT,           0, MODEKEYEDIT_CURSORRIGHT },
                    145:        { KEYC_UP,              0, MODEKEYEDIT_HISTORYUP },
1.41      nicm      146:        { KEYC_HOME,            0, MODEKEYEDIT_STARTOFLINE },
                    147:        { KEYC_END,             0, MODEKEYEDIT_ENDOFLINE },
1.8       nicm      148:
                    149:        { '$',                  1, MODEKEYEDIT_ENDOFLINE },
                    150:        { '0',                  1, MODEKEYEDIT_STARTOFLINE },
                    151:        { 'D',                  1, MODEKEYEDIT_DELETETOENDOFLINE },
1.42    ! nicm      152:        { 'X',                  1, MODEKEYEDIT_BACKSPACE },
1.8       nicm      153:        { '\003' /* C-c */,     1, MODEKEYEDIT_CANCEL },
                    154:        { '\010' /* C-h */,     1, MODEKEYEDIT_BACKSPACE },
                    155:        { '\r',                 1, MODEKEYEDIT_ENTER },
                    156:        { '^',                  1, MODEKEYEDIT_STARTOFLINE },
                    157:        { 'a',                  1, MODEKEYEDIT_SWITCHMODEAPPEND },
1.40      nicm      158:        { 'b',                  1, MODEKEYEDIT_PREVIOUSWORD },
1.27      nicm      159:        { 'd',                  1, MODEKEYEDIT_DELETELINE },
1.40      nicm      160:        { 'e',                  1, MODEKEYEDIT_NEXTWORDEND },
1.8       nicm      161:        { 'h',                  1, MODEKEYEDIT_CURSORLEFT },
                    162:        { 'i',                  1, MODEKEYEDIT_SWITCHMODE },
                    163:        { 'j',                  1, MODEKEYEDIT_HISTORYDOWN },
                    164:        { 'k',                  1, MODEKEYEDIT_HISTORYUP },
                    165:        { 'l',                  1, MODEKEYEDIT_CURSORRIGHT },
                    166:        { 'p',                  1, MODEKEYEDIT_PASTE },
1.40      nicm      167:        { 'w',                  1, MODEKEYEDIT_NEXTWORD },
1.42    ! nicm      168:        { 'x',                  1, MODEKEYEDIT_DELETE },
1.8       nicm      169:        { KEYC_BSPACE,          1, MODEKEYEDIT_BACKSPACE },
                    170:        { KEYC_DC,              1, MODEKEYEDIT_DELETE },
                    171:        { KEYC_DOWN,            1, MODEKEYEDIT_HISTORYDOWN },
                    172:        { KEYC_LEFT,            1, MODEKEYEDIT_CURSORLEFT },
                    173:        { KEYC_RIGHT,           1, MODEKEYEDIT_CURSORRIGHT },
                    174:        { KEYC_UP,              1, MODEKEYEDIT_HISTORYUP },
                    175:
                    176:        { 0,                   -1, 0 }
                    177: };
1.10      nicm      178: struct mode_key_tree mode_key_tree_vi_edit;
1.8       nicm      179:
                    180: /* vi choice selection keys. */
                    181: const struct mode_key_entry mode_key_vi_choice[] = {
1.30      nicm      182:        { '\002' /* C-b */,     0, MODEKEYCHOICE_PAGEUP },
1.8       nicm      183:        { '\003' /* C-c */,     0, MODEKEYCHOICE_CANCEL },
1.30      nicm      184:        { '\005' /* C-e */,     0, MODEKEYCHOICE_SCROLLDOWN },
                    185:        { '\006' /* C-f */,     0, MODEKEYCHOICE_PAGEDOWN },
                    186:        { '\031' /* C-y */,     0, MODEKEYCHOICE_SCROLLUP },
1.8       nicm      187:        { '\r',                 0, MODEKEYCHOICE_CHOOSE },
                    188:        { 'j',                  0, MODEKEYCHOICE_DOWN },
                    189:        { 'k',                  0, MODEKEYCHOICE_UP },
                    190:        { 'q',                  0, MODEKEYCHOICE_CANCEL },
1.30      nicm      191:        { KEYC_DOWN | KEYC_CTRL,0, MODEKEYCHOICE_SCROLLDOWN },
1.8       nicm      192:        { KEYC_DOWN,            0, MODEKEYCHOICE_DOWN },
                    193:        { KEYC_NPAGE,           0, MODEKEYCHOICE_PAGEDOWN },
                    194:        { KEYC_PPAGE,           0, MODEKEYCHOICE_PAGEUP },
1.30      nicm      195:        { KEYC_UP | KEYC_CTRL,  0, MODEKEYCHOICE_SCROLLUP },
1.8       nicm      196:        { KEYC_UP,              0, MODEKEYCHOICE_UP },
                    197:
                    198:        { 0,                    -1, 0 }
                    199: };
1.10      nicm      200: struct mode_key_tree mode_key_tree_vi_choice;
1.8       nicm      201:
                    202: /* vi copy mode keys. */
                    203: const struct mode_key_entry mode_key_vi_copy[] = {
                    204:        { ' ',                  0, MODEKEYCOPY_STARTSELECTION },
                    205:        { '$',                  0, MODEKEYCOPY_ENDOFLINE },
1.35      nicm      206:        { ',',                  0, MODEKEYCOPY_JUMPREVERSE },
                    207:        { ';',                  0, MODEKEYCOPY_JUMPAGAIN },
1.20      nicm      208:        { '/',                  0, MODEKEYCOPY_SEARCHDOWN },
1.8       nicm      209:        { '0',                  0, MODEKEYCOPY_STARTOFLINE },
1.34      nicm      210:        { '1',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    211:        { '2',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    212:        { '3',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    213:        { '4',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    214:        { '5',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    215:        { '6',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    216:        { '7',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    217:        { '8',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    218:        { '9',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
1.20      nicm      219:        { ':',                  0, MODEKEYCOPY_GOTOLINE },
                    220:        { '?',                  0, MODEKEYCOPY_SEARCHUP },
1.31      nicm      221:        { 'B',                  0, MODEKEYCOPY_PREVIOUSSPACE },
1.38      nicm      222:        { 'D',                  0, MODEKEYCOPY_COPYENDOFLINE },
1.31      nicm      223:        { 'E',                  0, MODEKEYCOPY_NEXTSPACEEND },
1.35      nicm      224:        { 'F',                  0, MODEKEYCOPY_JUMPBACK },
1.27      nicm      225:        { 'G',                  0, MODEKEYCOPY_HISTORYBOTTOM },
1.23      nicm      226:        { 'H',                  0, MODEKEYCOPY_TOPLINE },
1.22      nicm      227:        { 'J',                  0, MODEKEYCOPY_SCROLLDOWN },
                    228:        { 'K',                  0, MODEKEYCOPY_SCROLLUP },
1.23      nicm      229:        { 'L',                  0, MODEKEYCOPY_BOTTOMLINE },
                    230:        { 'M',                  0, MODEKEYCOPY_MIDDLELINE },
1.33      nicm      231:        { 'N',                  0, MODEKEYCOPY_SEARCHREVERSE },
1.42    ! nicm      232:        { 'T',                  0, MODEKEYCOPY_JUMPTOBACK },
1.31      nicm      233:        { 'W',                  0, MODEKEYCOPY_NEXTSPACE },
1.13      nicm      234:        { '\002' /* C-b */,     0, MODEKEYCOPY_PREVIOUSPAGE },
1.9       nicm      235:        { '\003' /* C-c */,     0, MODEKEYCOPY_CANCEL },
1.13      nicm      236:        { '\004' /* C-d */,     0, MODEKEYCOPY_HALFPAGEDOWN },
1.26      nicm      237:        { '\005' /* C-e */,     0, MODEKEYCOPY_SCROLLDOWN },
1.8       nicm      238:        { '\006' /* C-f */,     0, MODEKEYCOPY_NEXTPAGE },
                    239:        { '\010' /* C-h */,     0, MODEKEYCOPY_LEFT },
1.13      nicm      240:        { '\025' /* C-u */,     0, MODEKEYCOPY_HALFPAGEUP },
1.26      nicm      241:        { '\031' /* C-y */,     0, MODEKEYCOPY_SCROLLUP },
1.8       nicm      242:        { '\033' /* Escape */,  0, MODEKEYCOPY_CLEARSELECTION },
                    243:        { '\r',                 0, MODEKEYCOPY_COPYSELECTION },
                    244:        { '^',                  0, MODEKEYCOPY_BACKTOINDENTATION },
                    245:        { 'b',                  0, MODEKEYCOPY_PREVIOUSWORD },
1.29      nicm      246:        { 'e',                  0, MODEKEYCOPY_NEXTWORDEND },
1.35      nicm      247:        { 'f',                  0, MODEKEYCOPY_JUMP },
1.27      nicm      248:        { 'g',                  0, MODEKEYCOPY_HISTORYTOP },
1.8       nicm      249:        { 'h',                  0, MODEKEYCOPY_LEFT },
                    250:        { 'j',                  0, MODEKEYCOPY_DOWN },
                    251:        { 'k',                  0, MODEKEYCOPY_UP },
                    252:        { 'l',                  0, MODEKEYCOPY_RIGHT },
1.15      nicm      253:        { 'n',                  0, MODEKEYCOPY_SEARCHAGAIN },
1.42    ! nicm      254:        { 't',                  0, MODEKEYCOPY_JUMPTO },
1.9       nicm      255:        { 'q',                  0, MODEKEYCOPY_CANCEL },
1.32      nicm      256:        { 'v',                  0, MODEKEYCOPY_RECTANGLETOGGLE },
1.8       nicm      257:        { 'w',                  0, MODEKEYCOPY_NEXTWORD },
                    258:        { KEYC_BSPACE,          0, MODEKEYCOPY_LEFT },
1.21      nicm      259:        { KEYC_DOWN | KEYC_CTRL,0, MODEKEYCOPY_SCROLLDOWN },
1.8       nicm      260:        { KEYC_DOWN,            0, MODEKEYCOPY_DOWN },
                    261:        { KEYC_LEFT,            0, MODEKEYCOPY_LEFT },
                    262:        { KEYC_NPAGE,           0, MODEKEYCOPY_NEXTPAGE },
                    263:        { KEYC_PPAGE,           0, MODEKEYCOPY_PREVIOUSPAGE },
                    264:        { KEYC_RIGHT,           0, MODEKEYCOPY_RIGHT },
1.21      nicm      265:        { KEYC_UP | KEYC_CTRL,  0, MODEKEYCOPY_SCROLLUP },
1.8       nicm      266:        { KEYC_UP,              0, MODEKEYCOPY_UP },
1.25      nicm      267:
1.8       nicm      268:        { 0,                    -1, 0 }
                    269: };
1.10      nicm      270: struct mode_key_tree mode_key_tree_vi_copy;
1.8       nicm      271:
                    272: /* emacs editing keys. */
                    273: const struct mode_key_entry mode_key_emacs_edit[] = {
1.25      nicm      274:        { '\001' /* C-a */,     0, MODEKEYEDIT_STARTOFLINE },
1.18      nicm      275:        { '\002' /* C-b */,     0, MODEKEYEDIT_CURSORLEFT },
1.14      nicm      276:        { '\003' /* C-c */,     0, MODEKEYEDIT_CANCEL },
1.8       nicm      277:        { '\004' /* C-d */,     0, MODEKEYEDIT_DELETE },
1.40      nicm      278:        { '\005' /* C-e */,     0, MODEKEYEDIT_ENDOFLINE },
1.8       nicm      279:        { '\006' /* C-f */,     0, MODEKEYEDIT_CURSORRIGHT },
1.40      nicm      280:        { '\010' /* C-H */,     0, MODEKEYEDIT_BACKSPACE },
                    281:        { '\011' /* Tab */,     0, MODEKEYEDIT_COMPLETE },
                    282:        { '\013' /* C-k */,     0, MODEKEYEDIT_DELETETOENDOFLINE },
1.8       nicm      283:        { '\016' /* C-n */,     0, MODEKEYEDIT_HISTORYDOWN },
                    284:        { '\020' /* C-p */,     0, MODEKEYEDIT_HISTORYUP },
1.17      nicm      285:        { '\024' /* C-t */,     0, MODEKEYEDIT_TRANSPOSECHARS },
1.40      nicm      286:        { '\025' /* C-u */,     0, MODEKEYEDIT_DELETELINE },
                    287:        { '\027' /* C-w */,     0, MODEKEYEDIT_DELETEWORD },
1.8       nicm      288:        { '\031' /* C-y */,     0, MODEKEYEDIT_PASTE },
1.14      nicm      289:        { '\033' /* Escape */,  0, MODEKEYEDIT_CANCEL },
1.8       nicm      290:        { '\r',                 0, MODEKEYEDIT_ENTER },
1.40      nicm      291:        { 'b' | KEYC_ESCAPE,    0, MODEKEYEDIT_PREVIOUSWORD },
                    292:        { 'f' | KEYC_ESCAPE,    0, MODEKEYEDIT_NEXTWORDEND },
1.25      nicm      293:        { 'm' | KEYC_ESCAPE,    0, MODEKEYEDIT_STARTOFLINE },
1.8       nicm      294:        { KEYC_BSPACE,          0, MODEKEYEDIT_BACKSPACE },
                    295:        { KEYC_DC,              0, MODEKEYEDIT_DELETE },
                    296:        { KEYC_DOWN,            0, MODEKEYEDIT_HISTORYDOWN },
                    297:        { KEYC_LEFT,            0, MODEKEYEDIT_CURSORLEFT },
                    298:        { KEYC_RIGHT,           0, MODEKEYEDIT_CURSORRIGHT },
                    299:        { KEYC_UP,              0, MODEKEYEDIT_HISTORYUP },
1.41      nicm      300:        { KEYC_HOME,            0, MODEKEYEDIT_STARTOFLINE },
                    301:        { KEYC_END,             0, MODEKEYEDIT_ENDOFLINE },
1.8       nicm      302:
                    303:        { 0,                   -1, 0 }
                    304: };
1.10      nicm      305: struct mode_key_tree mode_key_tree_emacs_edit;
1.8       nicm      306:
                    307: /* emacs choice selection keys. */
                    308: const struct mode_key_entry mode_key_emacs_choice[] = {
                    309:        { '\003' /* C-c */,     0, MODEKEYCHOICE_CANCEL },
1.18      nicm      310:        { '\016' /* C-n */,     0, MODEKEYCHOICE_DOWN },
                    311:        { '\020' /* C-p */,     0, MODEKEYCHOICE_UP },
1.19      nicm      312:        { '\026' /* C-v */,     0, MODEKEYCHOICE_PAGEDOWN },
1.8       nicm      313:        { '\033' /* Escape */,  0, MODEKEYCHOICE_CANCEL },
                    314:        { '\r',                 0, MODEKEYCHOICE_CHOOSE },
                    315:        { 'q',                  0, MODEKEYCHOICE_CANCEL },
1.19      nicm      316:        { 'v' | KEYC_ESCAPE,    0, MODEKEYCHOICE_PAGEUP },
1.30      nicm      317:        { KEYC_DOWN | KEYC_CTRL,0, MODEKEYCHOICE_SCROLLDOWN },
1.8       nicm      318:        { KEYC_DOWN,            0, MODEKEYCHOICE_DOWN },
                    319:        { KEYC_NPAGE,           0, MODEKEYCHOICE_PAGEDOWN },
                    320:        { KEYC_PPAGE,           0, MODEKEYCHOICE_PAGEUP },
1.30      nicm      321:        { KEYC_UP | KEYC_CTRL,  0, MODEKEYCHOICE_SCROLLUP },
1.8       nicm      322:        { KEYC_UP,              0, MODEKEYCHOICE_UP },
                    323:
                    324:        { 0,                    -1, 0 }
                    325: };
1.10      nicm      326: struct mode_key_tree mode_key_tree_emacs_choice;
1.8       nicm      327:
                    328: /* emacs copy mode keys. */
                    329: const struct mode_key_entry mode_key_emacs_copy[] = {
                    330:        { ' ',                  0, MODEKEYCOPY_NEXTPAGE },
1.35      nicm      331:        { ',',                  0, MODEKEYCOPY_JUMPREVERSE },
                    332:        { ';',                  0, MODEKEYCOPY_JUMPAGAIN },
1.34      nicm      333:        { '1' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    334:        { '2' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    335:        { '3' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    336:        { '4' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    337:        { '5' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    338:        { '6' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    339:        { '7' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    340:        { '8' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    341:        { '9' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
1.32      nicm      342:        { '<' | KEYC_ESCAPE,    0, MODEKEYCOPY_HISTORYTOP },
                    343:        { '>' | KEYC_ESCAPE,    0, MODEKEYCOPY_HISTORYBOTTOM },
1.35      nicm      344:        { 'F',                  0, MODEKEYCOPY_JUMPBACK },
                    345:        { 'N',                  0, MODEKEYCOPY_SEARCHREVERSE },
1.27      nicm      346:        { 'R' | KEYC_ESCAPE,    0, MODEKEYCOPY_TOPLINE },
1.32      nicm      347:        { 'R',                  0, MODEKEYCOPY_RECTANGLETOGGLE },
1.42    ! nicm      348:        { 'T',                  0, MODEKEYCOPY_JUMPTOBACK },
1.8       nicm      349:        { '\000' /* C-Space */, 0, MODEKEYCOPY_STARTSELECTION },
                    350:        { '\001' /* C-a */,     0, MODEKEYCOPY_STARTOFLINE },
                    351:        { '\002' /* C-b */,     0, MODEKEYCOPY_LEFT },
1.9       nicm      352:        { '\003' /* C-c */,     0, MODEKEYCOPY_CANCEL },
1.8       nicm      353:        { '\005' /* C-e */,     0, MODEKEYCOPY_ENDOFLINE },
                    354:        { '\006' /* C-f */,     0, MODEKEYCOPY_RIGHT },
                    355:        { '\007' /* C-g */,     0, MODEKEYCOPY_CLEARSELECTION },
1.38      nicm      356:        { '\013' /* C-k */,     0, MODEKEYCOPY_COPYENDOFLINE },
1.8       nicm      357:        { '\016' /* C-n */,     0, MODEKEYCOPY_DOWN },
                    358:        { '\020' /* C-p */,     0, MODEKEYCOPY_UP },
1.15      nicm      359:        { '\022' /* C-r */,     0, MODEKEYCOPY_SEARCHUP },
                    360:        { '\023' /* C-s */,     0, MODEKEYCOPY_SEARCHDOWN },
1.8       nicm      361:        { '\026' /* C-v */,     0, MODEKEYCOPY_NEXTPAGE },
                    362:        { '\027' /* C-w */,     0, MODEKEYCOPY_COPYSELECTION },
1.9       nicm      363:        { '\033' /* Escape */,  0, MODEKEYCOPY_CANCEL },
1.33      nicm      364:        { 'N',                  0, MODEKEYCOPY_SEARCHREVERSE },
1.8       nicm      365:        { 'b' | KEYC_ESCAPE,    0, MODEKEYCOPY_PREVIOUSWORD },
1.35      nicm      366:        { 'f',                  0, MODEKEYCOPY_JUMP },
1.28      nicm      367:        { 'f' | KEYC_ESCAPE,    0, MODEKEYCOPY_NEXTWORDEND },
1.15      nicm      368:        { 'g',                  0, MODEKEYCOPY_GOTOLINE },
1.8       nicm      369:        { 'm' | KEYC_ESCAPE,    0, MODEKEYCOPY_BACKTOINDENTATION },
1.15      nicm      370:        { 'n',                  0, MODEKEYCOPY_SEARCHAGAIN },
1.9       nicm      371:        { 'q',                  0, MODEKEYCOPY_CANCEL },
1.23      nicm      372:        { 'r' | KEYC_ESCAPE,    0, MODEKEYCOPY_MIDDLELINE },
1.42    ! nicm      373:        { 't',                  0, MODEKEYCOPY_JUMPTO },
1.8       nicm      374:        { 'v' | KEYC_ESCAPE,    0, MODEKEYCOPY_PREVIOUSPAGE },
                    375:        { 'w' | KEYC_ESCAPE,    0, MODEKEYCOPY_COPYSELECTION },
1.21      nicm      376:        { KEYC_DOWN | KEYC_CTRL,0, MODEKEYCOPY_SCROLLDOWN },
1.13      nicm      377:        { KEYC_DOWN | KEYC_ESCAPE, 0, MODEKEYCOPY_HALFPAGEDOWN },
1.8       nicm      378:        { KEYC_DOWN,            0, MODEKEYCOPY_DOWN },
                    379:        { KEYC_LEFT,            0, MODEKEYCOPY_LEFT },
                    380:        { KEYC_NPAGE,           0, MODEKEYCOPY_NEXTPAGE },
                    381:        { KEYC_PPAGE,           0, MODEKEYCOPY_PREVIOUSPAGE },
                    382:        { KEYC_RIGHT,           0, MODEKEYCOPY_RIGHT },
1.21      nicm      383:        { KEYC_UP | KEYC_CTRL,  0, MODEKEYCOPY_SCROLLUP },
1.13      nicm      384:        { KEYC_UP | KEYC_ESCAPE, 0, MODEKEYCOPY_HALFPAGEUP },
1.8       nicm      385:        { KEYC_UP,              0, MODEKEYCOPY_UP },
                    386:
1.25      nicm      387:        { 0,                    -1, 0 }
1.8       nicm      388: };
1.10      nicm      389: struct mode_key_tree mode_key_tree_emacs_copy;
                    390:
                    391: /* Table mapping key table names to default settings and trees. */
                    392: const struct mode_key_table mode_key_tables[] = {
                    393:        { "vi-edit", mode_key_cmdstr_edit,
                    394:          &mode_key_tree_vi_edit, mode_key_vi_edit },
                    395:        { "vi-choice", mode_key_cmdstr_choice,
                    396:          &mode_key_tree_vi_choice, mode_key_vi_choice },
                    397:        { "vi-copy", mode_key_cmdstr_copy,
                    398:          &mode_key_tree_vi_copy, mode_key_vi_copy },
                    399:        { "emacs-edit", mode_key_cmdstr_edit,
                    400:          &mode_key_tree_emacs_edit, mode_key_emacs_edit },
                    401:        { "emacs-choice", mode_key_cmdstr_choice,
                    402:          &mode_key_tree_emacs_choice, mode_key_emacs_choice },
                    403:        { "emacs-copy", mode_key_cmdstr_copy,
                    404:          &mode_key_tree_emacs_copy, mode_key_emacs_copy },
                    405:
                    406:        { NULL, NULL, NULL, NULL }
                    407: };
                    408:
                    409: SPLAY_GENERATE(mode_key_tree, mode_key_binding, entry, mode_key_cmp);
                    410:
                    411: int
                    412: mode_key_cmp(struct mode_key_binding *mbind1, struct mode_key_binding *mbind2)
                    413: {
                    414:        if (mbind1->mode != mbind2->mode)
                    415:                return (mbind1->mode - mbind2->mode);
                    416:        return (mbind1->key - mbind2->key);
                    417: }
                    418:
                    419: const char *
1.36      nicm      420: mode_key_tostring(const struct mode_key_cmdstr *cmdstr, enum mode_key_cmd cmd)
1.10      nicm      421: {
                    422:        for (; cmdstr->name != NULL; cmdstr++) {
                    423:                if (cmdstr->cmd == cmd)
                    424:                        return (cmdstr->name);
1.11      nicm      425:        }
                    426:        return (NULL);
                    427: }
                    428:
                    429: enum mode_key_cmd
1.36      nicm      430: mode_key_fromstring(const struct mode_key_cmdstr *cmdstr, const char *name)
1.11      nicm      431: {
                    432:        for (; cmdstr->name != NULL; cmdstr++) {
                    433:                if (strcasecmp(cmdstr->name, name) == 0)
                    434:                        return (cmdstr->cmd);
                    435:        }
                    436:        return (MODEKEY_NONE);
                    437: }
                    438:
                    439: const struct mode_key_table *
                    440: mode_key_findtable(const char *name)
                    441: {
                    442:        const struct mode_key_table     *mtab;
1.25      nicm      443:
1.11      nicm      444:        for (mtab = mode_key_tables; mtab->name != NULL; mtab++) {
                    445:                if (strcasecmp(name, mtab->name) == 0)
                    446:                        return (mtab);
1.10      nicm      447:        }
                    448:        return (NULL);
                    449: }
1.1       nicm      450:
                    451: void
1.10      nicm      452: mode_key_init_trees(void)
1.1       nicm      453: {
1.10      nicm      454:        const struct mode_key_table     *mtab;
                    455:        const struct mode_key_entry     *ment;
                    456:        struct mode_key_binding         *mbind;
                    457:
                    458:        for (mtab = mode_key_tables; mtab->name != NULL; mtab++) {
                    459:                SPLAY_INIT(mtab->tree);
                    460:                for (ment = mtab->table; ment->mode != -1; ment++) {
                    461:                        mbind = xmalloc(sizeof *mbind);
                    462:                        mbind->key = ment->key;
                    463:                        mbind->mode = ment->mode;
                    464:                        mbind->cmd = ment->cmd;
                    465:                        SPLAY_INSERT(mode_key_tree, mtab->tree, mbind);
                    466:                }
                    467:        }
                    468: }
                    469:
                    470: void
                    471: mode_key_init(struct mode_key_data *mdata, struct mode_key_tree *mtree)
                    472: {
                    473:        mdata->tree = mtree;
1.8       nicm      474:        mdata->mode = 0;
1.1       nicm      475: }
                    476:
                    477: enum mode_key_cmd
                    478: mode_key_lookup(struct mode_key_data *mdata, int key)
                    479: {
1.10      nicm      480:        struct mode_key_binding *mbind, mtmp;
                    481:
                    482:        mtmp.key = key;
                    483:        mtmp.mode = mdata->mode;
                    484:        if ((mbind = SPLAY_FIND(mode_key_tree, mdata->tree, &mtmp)) == NULL) {
                    485:                if (mdata->mode != 0)
                    486:                        return (MODEKEY_NONE);
                    487:                return (MODEKEY_OTHER);
                    488:        }
1.1       nicm      489:
1.10      nicm      490:        switch (mbind->cmd) {
                    491:        case MODEKEYEDIT_SWITCHMODE:
                    492:        case MODEKEYEDIT_SWITCHMODEAPPEND:
                    493:                mdata->mode = 1 - mdata->mode;
                    494:                /* FALLTHROUGH */
                    495:        default:
                    496:                return (mbind->cmd);
1.1       nicm      497:        }
                    498: }