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Annotation of src/usr.bin/tmux/mode-key.c, Revision 1.40

1.40    ! nicm        1: /* $OpenBSD: mode-key.c,v 1.39 2011/08/16 09:47:18 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" },
1.10      nicm      101:        { MODEKEYCOPY_LEFT, "cursor-left" },
1.32      nicm      102:        { MODEKEYCOPY_RECTANGLETOGGLE, "rectangle-toggle" },
1.23      nicm      103:        { MODEKEYCOPY_MIDDLELINE, "middle-line" },
1.10      nicm      104:        { MODEKEYCOPY_NEXTPAGE, "page-down" },
1.31      nicm      105:        { MODEKEYCOPY_NEXTSPACE, "next-space" },
                    106:        { MODEKEYCOPY_NEXTSPACEEND, "next-space-end" },
1.10      nicm      107:        { MODEKEYCOPY_NEXTWORD, "next-word" },
1.28      nicm      108:        { MODEKEYCOPY_NEXTWORDEND, "next-word-end" },
1.10      nicm      109:        { MODEKEYCOPY_PREVIOUSPAGE, "page-up" },
1.31      nicm      110:        { MODEKEYCOPY_PREVIOUSSPACE, "previous-space" },
1.10      nicm      111:        { MODEKEYCOPY_PREVIOUSWORD, "previous-word" },
                    112:        { MODEKEYCOPY_RIGHT, "cursor-right" },
1.21      nicm      113:        { MODEKEYCOPY_SCROLLDOWN, "scroll-down" },
                    114:        { MODEKEYCOPY_SCROLLUP, "scroll-up" },
1.15      nicm      115:        { MODEKEYCOPY_SEARCHAGAIN, "search-again" },
                    116:        { MODEKEYCOPY_SEARCHDOWN, "search-forward" },
1.33      nicm      117:        { MODEKEYCOPY_SEARCHREVERSE, "search-reverse" },
1.15      nicm      118:        { MODEKEYCOPY_SEARCHUP, "search-backward" },
1.38      nicm      119:        { MODEKEYCOPY_SELECTLINE, "select-line" },
1.34      nicm      120:        { MODEKEYCOPY_STARTNUMBERPREFIX, "start-number-prefix" },
1.10      nicm      121:        { MODEKEYCOPY_STARTOFLINE, "start-of-line" },
                    122:        { MODEKEYCOPY_STARTSELECTION, "begin-selection" },
1.23      nicm      123:        { MODEKEYCOPY_TOPLINE, "top-line" },
1.10      nicm      124:        { MODEKEYCOPY_UP, "cursor-up" },
1.11      nicm      125:
                    126:        { 0, NULL }
1.10      nicm      127: };
                    128:
1.8       nicm      129: /* vi editing keys. */
                    130: const struct mode_key_entry mode_key_vi_edit[] = {
                    131:        { '\003' /* C-c */,     0, MODEKEYEDIT_CANCEL },
                    132:        { '\010' /* C-h */,     0, MODEKEYEDIT_BACKSPACE },
1.39      nicm      133:        { '\011' /* Tab */,     0, MODEKEYEDIT_COMPLETE },
1.40    ! nicm      134:        { '\025' /* C-u */,     0, MODEKEYEDIT_DELETELINE },
        !           135:        { '\027' /* C-w */,     0, MODEKEYEDIT_DELETEWORD },
1.8       nicm      136:        { '\033' /* Escape */,  0, MODEKEYEDIT_SWITCHMODE },
                    137:        { '\r',                 0, MODEKEYEDIT_ENTER },
                    138:        { KEYC_BSPACE,          0, MODEKEYEDIT_BACKSPACE },
                    139:        { KEYC_DC,              0, MODEKEYEDIT_DELETE },
1.39      nicm      140:        { KEYC_DOWN,            0, MODEKEYEDIT_HISTORYDOWN },
                    141:        { KEYC_LEFT,            0, MODEKEYEDIT_CURSORLEFT },
                    142:        { KEYC_RIGHT,           0, MODEKEYEDIT_CURSORRIGHT },
                    143:        { KEYC_UP,              0, MODEKEYEDIT_HISTORYUP },
1.8       nicm      144:
                    145:        { '$',                  1, MODEKEYEDIT_ENDOFLINE },
                    146:        { '0',                  1, MODEKEYEDIT_STARTOFLINE },
                    147:        { 'D',                  1, MODEKEYEDIT_DELETETOENDOFLINE },
                    148:        { '\003' /* C-c */,     1, MODEKEYEDIT_CANCEL },
                    149:        { '\010' /* C-h */,     1, MODEKEYEDIT_BACKSPACE },
                    150:        { '\r',                 1, MODEKEYEDIT_ENTER },
                    151:        { '^',                  1, MODEKEYEDIT_STARTOFLINE },
                    152:        { 'a',                  1, MODEKEYEDIT_SWITCHMODEAPPEND },
1.40    ! nicm      153:        { 'b',                  1, MODEKEYEDIT_PREVIOUSWORD },
1.27      nicm      154:        { 'd',                  1, MODEKEYEDIT_DELETELINE },
1.40    ! nicm      155:        { 'e',                  1, MODEKEYEDIT_NEXTWORDEND },
1.8       nicm      156:        { 'h',                  1, MODEKEYEDIT_CURSORLEFT },
                    157:        { 'i',                  1, MODEKEYEDIT_SWITCHMODE },
                    158:        { 'j',                  1, MODEKEYEDIT_HISTORYDOWN },
                    159:        { 'k',                  1, MODEKEYEDIT_HISTORYUP },
                    160:        { 'l',                  1, MODEKEYEDIT_CURSORRIGHT },
                    161:        { 'p',                  1, MODEKEYEDIT_PASTE },
1.40    ! nicm      162:        { 'w',                  1, MODEKEYEDIT_NEXTWORD },
1.8       nicm      163:        { KEYC_BSPACE,          1, MODEKEYEDIT_BACKSPACE },
                    164:        { KEYC_DC,              1, MODEKEYEDIT_DELETE },
                    165:        { KEYC_DOWN,            1, MODEKEYEDIT_HISTORYDOWN },
                    166:        { KEYC_LEFT,            1, MODEKEYEDIT_CURSORLEFT },
                    167:        { KEYC_RIGHT,           1, MODEKEYEDIT_CURSORRIGHT },
                    168:        { KEYC_UP,              1, MODEKEYEDIT_HISTORYUP },
                    169:
                    170:        { 0,                   -1, 0 }
                    171: };
1.10      nicm      172: struct mode_key_tree mode_key_tree_vi_edit;
1.8       nicm      173:
                    174: /* vi choice selection keys. */
                    175: const struct mode_key_entry mode_key_vi_choice[] = {
1.30      nicm      176:        { '\002' /* C-b */,     0, MODEKEYCHOICE_PAGEUP },
1.8       nicm      177:        { '\003' /* C-c */,     0, MODEKEYCHOICE_CANCEL },
1.30      nicm      178:        { '\005' /* C-e */,     0, MODEKEYCHOICE_SCROLLDOWN },
                    179:        { '\006' /* C-f */,     0, MODEKEYCHOICE_PAGEDOWN },
                    180:        { '\031' /* C-y */,     0, MODEKEYCHOICE_SCROLLUP },
1.8       nicm      181:        { '\r',                 0, MODEKEYCHOICE_CHOOSE },
                    182:        { 'j',                  0, MODEKEYCHOICE_DOWN },
                    183:        { 'k',                  0, MODEKEYCHOICE_UP },
                    184:        { 'q',                  0, MODEKEYCHOICE_CANCEL },
1.30      nicm      185:        { KEYC_DOWN | KEYC_CTRL,0, MODEKEYCHOICE_SCROLLDOWN },
1.8       nicm      186:        { KEYC_DOWN,            0, MODEKEYCHOICE_DOWN },
                    187:        { KEYC_NPAGE,           0, MODEKEYCHOICE_PAGEDOWN },
                    188:        { KEYC_PPAGE,           0, MODEKEYCHOICE_PAGEUP },
1.30      nicm      189:        { KEYC_UP | KEYC_CTRL,  0, MODEKEYCHOICE_SCROLLUP },
1.8       nicm      190:        { KEYC_UP,              0, MODEKEYCHOICE_UP },
                    191:
                    192:        { 0,                    -1, 0 }
                    193: };
1.10      nicm      194: struct mode_key_tree mode_key_tree_vi_choice;
1.8       nicm      195:
                    196: /* vi copy mode keys. */
                    197: const struct mode_key_entry mode_key_vi_copy[] = {
                    198:        { ' ',                  0, MODEKEYCOPY_STARTSELECTION },
                    199:        { '$',                  0, MODEKEYCOPY_ENDOFLINE },
1.35      nicm      200:        { ',',                  0, MODEKEYCOPY_JUMPREVERSE },
                    201:        { ';',                  0, MODEKEYCOPY_JUMPAGAIN },
1.20      nicm      202:        { '/',                  0, MODEKEYCOPY_SEARCHDOWN },
1.8       nicm      203:        { '0',                  0, MODEKEYCOPY_STARTOFLINE },
1.34      nicm      204:        { '1',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    205:        { '2',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    206:        { '3',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    207:        { '4',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    208:        { '5',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    209:        { '6',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    210:        { '7',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    211:        { '8',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    212:        { '9',                  0, MODEKEYCOPY_STARTNUMBERPREFIX },
1.20      nicm      213:        { ':',                  0, MODEKEYCOPY_GOTOLINE },
                    214:        { '?',                  0, MODEKEYCOPY_SEARCHUP },
1.31      nicm      215:        { 'B',                  0, MODEKEYCOPY_PREVIOUSSPACE },
1.38      nicm      216:        { 'D',                  0, MODEKEYCOPY_COPYENDOFLINE },
1.31      nicm      217:        { 'E',                  0, MODEKEYCOPY_NEXTSPACEEND },
1.35      nicm      218:        { 'F',                  0, MODEKEYCOPY_JUMPBACK },
1.27      nicm      219:        { 'G',                  0, MODEKEYCOPY_HISTORYBOTTOM },
1.23      nicm      220:        { 'H',                  0, MODEKEYCOPY_TOPLINE },
1.22      nicm      221:        { 'J',                  0, MODEKEYCOPY_SCROLLDOWN },
                    222:        { 'K',                  0, MODEKEYCOPY_SCROLLUP },
1.23      nicm      223:        { 'L',                  0, MODEKEYCOPY_BOTTOMLINE },
                    224:        { 'M',                  0, MODEKEYCOPY_MIDDLELINE },
1.33      nicm      225:        { 'N',                  0, MODEKEYCOPY_SEARCHREVERSE },
1.31      nicm      226:        { 'W',                  0, MODEKEYCOPY_NEXTSPACE },
1.13      nicm      227:        { '\002' /* C-b */,     0, MODEKEYCOPY_PREVIOUSPAGE },
1.9       nicm      228:        { '\003' /* C-c */,     0, MODEKEYCOPY_CANCEL },
1.13      nicm      229:        { '\004' /* C-d */,     0, MODEKEYCOPY_HALFPAGEDOWN },
1.26      nicm      230:        { '\005' /* C-e */,     0, MODEKEYCOPY_SCROLLDOWN },
1.8       nicm      231:        { '\006' /* C-f */,     0, MODEKEYCOPY_NEXTPAGE },
                    232:        { '\010' /* C-h */,     0, MODEKEYCOPY_LEFT },
1.13      nicm      233:        { '\025' /* C-u */,     0, MODEKEYCOPY_HALFPAGEUP },
1.26      nicm      234:        { '\031' /* C-y */,     0, MODEKEYCOPY_SCROLLUP },
1.8       nicm      235:        { '\033' /* Escape */,  0, MODEKEYCOPY_CLEARSELECTION },
                    236:        { '\r',                 0, MODEKEYCOPY_COPYSELECTION },
                    237:        { '^',                  0, MODEKEYCOPY_BACKTOINDENTATION },
                    238:        { 'b',                  0, MODEKEYCOPY_PREVIOUSWORD },
1.29      nicm      239:        { 'e',                  0, MODEKEYCOPY_NEXTWORDEND },
1.35      nicm      240:        { 'f',                  0, MODEKEYCOPY_JUMP },
1.27      nicm      241:        { 'g',                  0, MODEKEYCOPY_HISTORYTOP },
1.8       nicm      242:        { 'h',                  0, MODEKEYCOPY_LEFT },
                    243:        { 'j',                  0, MODEKEYCOPY_DOWN },
                    244:        { 'k',                  0, MODEKEYCOPY_UP },
                    245:        { 'l',                  0, MODEKEYCOPY_RIGHT },
1.15      nicm      246:        { 'n',                  0, MODEKEYCOPY_SEARCHAGAIN },
1.9       nicm      247:        { 'q',                  0, MODEKEYCOPY_CANCEL },
1.32      nicm      248:        { 'v',                  0, MODEKEYCOPY_RECTANGLETOGGLE },
1.8       nicm      249:        { 'w',                  0, MODEKEYCOPY_NEXTWORD },
                    250:        { KEYC_BSPACE,          0, MODEKEYCOPY_LEFT },
1.21      nicm      251:        { KEYC_DOWN | KEYC_CTRL,0, MODEKEYCOPY_SCROLLDOWN },
1.8       nicm      252:        { KEYC_DOWN,            0, MODEKEYCOPY_DOWN },
                    253:        { KEYC_LEFT,            0, MODEKEYCOPY_LEFT },
                    254:        { KEYC_NPAGE,           0, MODEKEYCOPY_NEXTPAGE },
                    255:        { KEYC_PPAGE,           0, MODEKEYCOPY_PREVIOUSPAGE },
                    256:        { KEYC_RIGHT,           0, MODEKEYCOPY_RIGHT },
1.21      nicm      257:        { KEYC_UP | KEYC_CTRL,  0, MODEKEYCOPY_SCROLLUP },
1.8       nicm      258:        { KEYC_UP,              0, MODEKEYCOPY_UP },
1.25      nicm      259:
1.8       nicm      260:        { 0,                    -1, 0 }
                    261: };
1.10      nicm      262: struct mode_key_tree mode_key_tree_vi_copy;
1.8       nicm      263:
                    264: /* emacs editing keys. */
                    265: const struct mode_key_entry mode_key_emacs_edit[] = {
1.25      nicm      266:        { '\001' /* C-a */,     0, MODEKEYEDIT_STARTOFLINE },
1.18      nicm      267:        { '\002' /* C-b */,     0, MODEKEYEDIT_CURSORLEFT },
1.14      nicm      268:        { '\003' /* C-c */,     0, MODEKEYEDIT_CANCEL },
1.8       nicm      269:        { '\004' /* C-d */,     0, MODEKEYEDIT_DELETE },
1.40    ! nicm      270:        { '\005' /* C-e */,     0, MODEKEYEDIT_ENDOFLINE },
1.8       nicm      271:        { '\006' /* C-f */,     0, MODEKEYEDIT_CURSORRIGHT },
1.40    ! nicm      272:        { '\010' /* C-H */,     0, MODEKEYEDIT_BACKSPACE },
        !           273:        { '\011' /* Tab */,     0, MODEKEYEDIT_COMPLETE },
        !           274:        { '\013' /* C-k */,     0, MODEKEYEDIT_DELETETOENDOFLINE },
1.8       nicm      275:        { '\016' /* C-n */,     0, MODEKEYEDIT_HISTORYDOWN },
                    276:        { '\020' /* C-p */,     0, MODEKEYEDIT_HISTORYUP },
1.17      nicm      277:        { '\024' /* C-t */,     0, MODEKEYEDIT_TRANSPOSECHARS },
1.40    ! nicm      278:        { '\025' /* C-u */,     0, MODEKEYEDIT_DELETELINE },
        !           279:        { '\027' /* C-w */,     0, MODEKEYEDIT_DELETEWORD },
1.8       nicm      280:        { '\031' /* C-y */,     0, MODEKEYEDIT_PASTE },
1.14      nicm      281:        { '\033' /* Escape */,  0, MODEKEYEDIT_CANCEL },
1.8       nicm      282:        { '\r',                 0, MODEKEYEDIT_ENTER },
1.40    ! nicm      283:        { 'b' | KEYC_ESCAPE,    0, MODEKEYEDIT_PREVIOUSWORD },
        !           284:        { 'f' | KEYC_ESCAPE,    0, MODEKEYEDIT_NEXTWORDEND },
1.25      nicm      285:        { 'm' | KEYC_ESCAPE,    0, MODEKEYEDIT_STARTOFLINE },
1.8       nicm      286:        { KEYC_BSPACE,          0, MODEKEYEDIT_BACKSPACE },
                    287:        { KEYC_DC,              0, MODEKEYEDIT_DELETE },
                    288:        { KEYC_DOWN,            0, MODEKEYEDIT_HISTORYDOWN },
                    289:        { KEYC_LEFT,            0, MODEKEYEDIT_CURSORLEFT },
                    290:        { KEYC_RIGHT,           0, MODEKEYEDIT_CURSORRIGHT },
                    291:        { KEYC_UP,              0, MODEKEYEDIT_HISTORYUP },
                    292:
                    293:        { 0,                   -1, 0 }
                    294: };
1.10      nicm      295: struct mode_key_tree mode_key_tree_emacs_edit;
1.8       nicm      296:
                    297: /* emacs choice selection keys. */
                    298: const struct mode_key_entry mode_key_emacs_choice[] = {
                    299:        { '\003' /* C-c */,     0, MODEKEYCHOICE_CANCEL },
1.18      nicm      300:        { '\016' /* C-n */,     0, MODEKEYCHOICE_DOWN },
                    301:        { '\020' /* C-p */,     0, MODEKEYCHOICE_UP },
1.19      nicm      302:        { '\026' /* C-v */,     0, MODEKEYCHOICE_PAGEDOWN },
1.8       nicm      303:        { '\033' /* Escape */,  0, MODEKEYCHOICE_CANCEL },
                    304:        { '\r',                 0, MODEKEYCHOICE_CHOOSE },
                    305:        { 'q',                  0, MODEKEYCHOICE_CANCEL },
1.19      nicm      306:        { 'v' | KEYC_ESCAPE,    0, MODEKEYCHOICE_PAGEUP },
1.30      nicm      307:        { KEYC_DOWN | KEYC_CTRL,0, MODEKEYCHOICE_SCROLLDOWN },
1.8       nicm      308:        { KEYC_DOWN,            0, MODEKEYCHOICE_DOWN },
                    309:        { KEYC_NPAGE,           0, MODEKEYCHOICE_PAGEDOWN },
                    310:        { KEYC_PPAGE,           0, MODEKEYCHOICE_PAGEUP },
1.30      nicm      311:        { KEYC_UP | KEYC_CTRL,  0, MODEKEYCHOICE_SCROLLUP },
1.8       nicm      312:        { KEYC_UP,              0, MODEKEYCHOICE_UP },
                    313:
                    314:        { 0,                    -1, 0 }
                    315: };
1.10      nicm      316: struct mode_key_tree mode_key_tree_emacs_choice;
1.8       nicm      317:
                    318: /* emacs copy mode keys. */
                    319: const struct mode_key_entry mode_key_emacs_copy[] = {
                    320:        { ' ',                  0, MODEKEYCOPY_NEXTPAGE },
1.35      nicm      321:        { ',',                  0, MODEKEYCOPY_JUMPREVERSE },
                    322:        { ';',                  0, MODEKEYCOPY_JUMPAGAIN },
1.34      nicm      323:        { '1' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    324:        { '2' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    325:        { '3' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    326:        { '4' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    327:        { '5' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    328:        { '6' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    329:        { '7' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    330:        { '8' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    331:        { '9' | KEYC_ESCAPE,    0, MODEKEYCOPY_STARTNUMBERPREFIX },
1.32      nicm      332:        { '<' | KEYC_ESCAPE,    0, MODEKEYCOPY_HISTORYTOP },
                    333:        { '>' | KEYC_ESCAPE,    0, MODEKEYCOPY_HISTORYBOTTOM },
1.35      nicm      334:        { 'F',                  0, MODEKEYCOPY_JUMPBACK },
                    335:        { 'N',                  0, MODEKEYCOPY_SEARCHREVERSE },
1.27      nicm      336:        { 'R' | KEYC_ESCAPE,    0, MODEKEYCOPY_TOPLINE },
1.32      nicm      337:        { 'R',                  0, MODEKEYCOPY_RECTANGLETOGGLE },
1.8       nicm      338:        { '\000' /* C-Space */, 0, MODEKEYCOPY_STARTSELECTION },
                    339:        { '\001' /* C-a */,     0, MODEKEYCOPY_STARTOFLINE },
                    340:        { '\002' /* C-b */,     0, MODEKEYCOPY_LEFT },
1.9       nicm      341:        { '\003' /* C-c */,     0, MODEKEYCOPY_CANCEL },
1.8       nicm      342:        { '\005' /* C-e */,     0, MODEKEYCOPY_ENDOFLINE },
                    343:        { '\006' /* C-f */,     0, MODEKEYCOPY_RIGHT },
                    344:        { '\007' /* C-g */,     0, MODEKEYCOPY_CLEARSELECTION },
1.38      nicm      345:        { '\013' /* C-k */,     0, MODEKEYCOPY_COPYENDOFLINE },
1.8       nicm      346:        { '\016' /* C-n */,     0, MODEKEYCOPY_DOWN },
                    347:        { '\020' /* C-p */,     0, MODEKEYCOPY_UP },
1.15      nicm      348:        { '\022' /* C-r */,     0, MODEKEYCOPY_SEARCHUP },
                    349:        { '\023' /* C-s */,     0, MODEKEYCOPY_SEARCHDOWN },
1.8       nicm      350:        { '\026' /* C-v */,     0, MODEKEYCOPY_NEXTPAGE },
                    351:        { '\027' /* C-w */,     0, MODEKEYCOPY_COPYSELECTION },
1.9       nicm      352:        { '\033' /* Escape */,  0, MODEKEYCOPY_CANCEL },
1.33      nicm      353:        { 'N',                  0, MODEKEYCOPY_SEARCHREVERSE },
1.8       nicm      354:        { 'b' | KEYC_ESCAPE,    0, MODEKEYCOPY_PREVIOUSWORD },
1.35      nicm      355:        { 'f',                  0, MODEKEYCOPY_JUMP },
1.28      nicm      356:        { 'f' | KEYC_ESCAPE,    0, MODEKEYCOPY_NEXTWORDEND },
1.15      nicm      357:        { 'g',                  0, MODEKEYCOPY_GOTOLINE },
1.8       nicm      358:        { 'm' | KEYC_ESCAPE,    0, MODEKEYCOPY_BACKTOINDENTATION },
1.15      nicm      359:        { 'n',                  0, MODEKEYCOPY_SEARCHAGAIN },
1.9       nicm      360:        { 'q',                  0, MODEKEYCOPY_CANCEL },
1.23      nicm      361:        { 'r' | KEYC_ESCAPE,    0, MODEKEYCOPY_MIDDLELINE },
1.8       nicm      362:        { 'v' | KEYC_ESCAPE,    0, MODEKEYCOPY_PREVIOUSPAGE },
                    363:        { 'w' | KEYC_ESCAPE,    0, MODEKEYCOPY_COPYSELECTION },
1.21      nicm      364:        { KEYC_DOWN | KEYC_CTRL,0, MODEKEYCOPY_SCROLLDOWN },
1.13      nicm      365:        { KEYC_DOWN | KEYC_ESCAPE, 0, MODEKEYCOPY_HALFPAGEDOWN },
1.8       nicm      366:        { KEYC_DOWN,            0, MODEKEYCOPY_DOWN },
                    367:        { KEYC_LEFT,            0, MODEKEYCOPY_LEFT },
                    368:        { KEYC_NPAGE,           0, MODEKEYCOPY_NEXTPAGE },
                    369:        { KEYC_PPAGE,           0, MODEKEYCOPY_PREVIOUSPAGE },
                    370:        { KEYC_RIGHT,           0, MODEKEYCOPY_RIGHT },
1.21      nicm      371:        { KEYC_UP | KEYC_CTRL,  0, MODEKEYCOPY_SCROLLUP },
1.13      nicm      372:        { KEYC_UP | KEYC_ESCAPE, 0, MODEKEYCOPY_HALFPAGEUP },
1.8       nicm      373:        { KEYC_UP,              0, MODEKEYCOPY_UP },
                    374:
1.25      nicm      375:        { 0,                    -1, 0 }
1.8       nicm      376: };
1.10      nicm      377: struct mode_key_tree mode_key_tree_emacs_copy;
                    378:
                    379: /* Table mapping key table names to default settings and trees. */
                    380: const struct mode_key_table mode_key_tables[] = {
                    381:        { "vi-edit", mode_key_cmdstr_edit,
                    382:          &mode_key_tree_vi_edit, mode_key_vi_edit },
                    383:        { "vi-choice", mode_key_cmdstr_choice,
                    384:          &mode_key_tree_vi_choice, mode_key_vi_choice },
                    385:        { "vi-copy", mode_key_cmdstr_copy,
                    386:          &mode_key_tree_vi_copy, mode_key_vi_copy },
                    387:        { "emacs-edit", mode_key_cmdstr_edit,
                    388:          &mode_key_tree_emacs_edit, mode_key_emacs_edit },
                    389:        { "emacs-choice", mode_key_cmdstr_choice,
                    390:          &mode_key_tree_emacs_choice, mode_key_emacs_choice },
                    391:        { "emacs-copy", mode_key_cmdstr_copy,
                    392:          &mode_key_tree_emacs_copy, mode_key_emacs_copy },
                    393:
                    394:        { NULL, NULL, NULL, NULL }
                    395: };
                    396:
                    397: SPLAY_GENERATE(mode_key_tree, mode_key_binding, entry, mode_key_cmp);
                    398:
                    399: int
                    400: mode_key_cmp(struct mode_key_binding *mbind1, struct mode_key_binding *mbind2)
                    401: {
                    402:        if (mbind1->mode != mbind2->mode)
                    403:                return (mbind1->mode - mbind2->mode);
                    404:        return (mbind1->key - mbind2->key);
                    405: }
                    406:
                    407: const char *
1.36      nicm      408: mode_key_tostring(const struct mode_key_cmdstr *cmdstr, enum mode_key_cmd cmd)
1.10      nicm      409: {
                    410:        for (; cmdstr->name != NULL; cmdstr++) {
                    411:                if (cmdstr->cmd == cmd)
                    412:                        return (cmdstr->name);
1.11      nicm      413:        }
                    414:        return (NULL);
                    415: }
                    416:
                    417: enum mode_key_cmd
1.36      nicm      418: mode_key_fromstring(const struct mode_key_cmdstr *cmdstr, const char *name)
1.11      nicm      419: {
                    420:        for (; cmdstr->name != NULL; cmdstr++) {
                    421:                if (strcasecmp(cmdstr->name, name) == 0)
                    422:                        return (cmdstr->cmd);
                    423:        }
                    424:        return (MODEKEY_NONE);
                    425: }
                    426:
                    427: const struct mode_key_table *
                    428: mode_key_findtable(const char *name)
                    429: {
                    430:        const struct mode_key_table     *mtab;
1.25      nicm      431:
1.11      nicm      432:        for (mtab = mode_key_tables; mtab->name != NULL; mtab++) {
                    433:                if (strcasecmp(name, mtab->name) == 0)
                    434:                        return (mtab);
1.10      nicm      435:        }
                    436:        return (NULL);
                    437: }
1.1       nicm      438:
                    439: void
1.10      nicm      440: mode_key_init_trees(void)
1.1       nicm      441: {
1.10      nicm      442:        const struct mode_key_table     *mtab;
                    443:        const struct mode_key_entry     *ment;
                    444:        struct mode_key_binding         *mbind;
                    445:
                    446:        for (mtab = mode_key_tables; mtab->name != NULL; mtab++) {
                    447:                SPLAY_INIT(mtab->tree);
                    448:                for (ment = mtab->table; ment->mode != -1; ment++) {
                    449:                        mbind = xmalloc(sizeof *mbind);
                    450:                        mbind->key = ment->key;
                    451:                        mbind->mode = ment->mode;
                    452:                        mbind->cmd = ment->cmd;
                    453:                        SPLAY_INSERT(mode_key_tree, mtab->tree, mbind);
                    454:                }
                    455:        }
                    456: }
                    457:
                    458: void
                    459: mode_key_init(struct mode_key_data *mdata, struct mode_key_tree *mtree)
                    460: {
                    461:        mdata->tree = mtree;
1.8       nicm      462:        mdata->mode = 0;
1.1       nicm      463: }
                    464:
                    465: enum mode_key_cmd
                    466: mode_key_lookup(struct mode_key_data *mdata, int key)
                    467: {
1.10      nicm      468:        struct mode_key_binding *mbind, mtmp;
                    469:
                    470:        mtmp.key = key;
                    471:        mtmp.mode = mdata->mode;
                    472:        if ((mbind = SPLAY_FIND(mode_key_tree, mdata->tree, &mtmp)) == NULL) {
                    473:                if (mdata->mode != 0)
                    474:                        return (MODEKEY_NONE);
                    475:                return (MODEKEY_OTHER);
                    476:        }
1.1       nicm      477:
1.10      nicm      478:        switch (mbind->cmd) {
                    479:        case MODEKEYEDIT_SWITCHMODE:
                    480:        case MODEKEYEDIT_SWITCHMODEAPPEND:
                    481:                mdata->mode = 1 - mdata->mode;
                    482:                /* FALLTHROUGH */
                    483:        default:
                    484:                return (mbind->cmd);
1.1       nicm      485:        }
                    486: }