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Annotation of src/usr.bin/tmux/mode-key.c, Revision 1.68

1.68    ! nicm        1: /* $OpenBSD: mode-key.c,v 1.67 2016/03/18 07:28:27 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.65      nicm        4:  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1       nicm        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
1.53      nicm       38:  * (any matching MODEKEYEDIT_SWITCHMODE*) are special-cased to do this.
1.10      nicm       39:  */
1.63      nicm       40:
                     41: /* Entry in the default mode key tables. */
                     42: struct mode_key_entry {
1.64      nicm       43:        key_code                key;
1.63      nicm       44:
                     45:        /*
                     46:         * Editing mode for vi: 0 is edit mode, keys not in the table are
                     47:         * returned as MODEKEY_OTHER; 1 is command mode, keys not in the table
                     48:         * are returned as MODEKEY_NONE. This is also matched on, allowing some
                     49:         * keys to be bound in edit mode.
                     50:         */
                     51:        int                     mode;
                     52:        enum mode_key_cmd       cmd;
                     53: };
1.10      nicm       54:
                     55: /* Edit keys command strings. */
1.36      nicm       56: const struct mode_key_cmdstr mode_key_cmdstr_edit[] = {
1.10      nicm       57:        { MODEKEYEDIT_BACKSPACE, "backspace" },
1.25      nicm       58:        { MODEKEYEDIT_CANCEL, "cancel" },
1.10      nicm       59:        { MODEKEYEDIT_COMPLETE, "complete" },
                     60:        { MODEKEYEDIT_CURSORLEFT, "cursor-left" },
                     61:        { MODEKEYEDIT_CURSORRIGHT, "cursor-right" },
                     62:        { MODEKEYEDIT_DELETE, "delete" },
1.16      nicm       63:        { MODEKEYEDIT_DELETELINE, "delete-line" },
1.10      nicm       64:        { MODEKEYEDIT_DELETETOENDOFLINE, "delete-end-of-line" },
1.40      nicm       65:        { MODEKEYEDIT_DELETEWORD, "delete-word" },
1.10      nicm       66:        { MODEKEYEDIT_ENDOFLINE, "end-of-line" },
                     67:        { MODEKEYEDIT_ENTER, "enter" },
                     68:        { MODEKEYEDIT_HISTORYDOWN, "history-down" },
                     69:        { MODEKEYEDIT_HISTORYUP, "history-up" },
1.43      nicm       70:        { MODEKEYEDIT_NEXTSPACE, "next-space" },
                     71:        { MODEKEYEDIT_NEXTSPACEEND, "next-space-end" },
1.40      nicm       72:        { MODEKEYEDIT_NEXTWORD, "next-word" },
                     73:        { MODEKEYEDIT_NEXTWORDEND, "next-word-end" },
1.10      nicm       74:        { MODEKEYEDIT_PASTE, "paste" },
1.43      nicm       75:        { MODEKEYEDIT_PREVIOUSSPACE, "previous-space" },
1.40      nicm       76:        { MODEKEYEDIT_PREVIOUSWORD, "previous-word" },
1.10      nicm       77:        { MODEKEYEDIT_STARTOFLINE, "start-of-line" },
                     78:        { MODEKEYEDIT_SWITCHMODE, "switch-mode" },
                     79:        { MODEKEYEDIT_SWITCHMODEAPPEND, "switch-mode-append" },
1.45      nicm       80:        { MODEKEYEDIT_SWITCHMODEAPPENDLINE, "switch-mode-append-line" },
                     81:        { MODEKEYEDIT_SWITCHMODEBEGINLINE, "switch-mode-begin-line" },
1.53      nicm       82:        { MODEKEYEDIT_SWITCHMODECHANGELINE, "switch-mode-change-line" },
                     83:        { MODEKEYEDIT_SWITCHMODESUBSTITUTE, "switch-mode-substitute" },
                     84:        { MODEKEYEDIT_SWITCHMODESUBSTITUTELINE, "switch-mode-substitute-line" },
1.17      nicm       85:        { MODEKEYEDIT_TRANSPOSECHARS, "transpose-chars" },
1.11      nicm       86:
                     87:        { 0, NULL }
1.10      nicm       88: };
1.25      nicm       89:
1.10      nicm       90: /* Choice keys command strings. */
1.36      nicm       91: const struct mode_key_cmdstr mode_key_cmdstr_choice[] = {
1.46      nicm       92:        { MODEKEYCHOICE_BACKSPACE, "backspace" },
1.57      nicm       93:        { MODEKEYCHOICE_BOTTOMLINE, "bottom-line"},
1.10      nicm       94:        { MODEKEYCHOICE_CANCEL, "cancel" },
                     95:        { MODEKEYCHOICE_CHOOSE, "choose" },
                     96:        { MODEKEYCHOICE_DOWN, "down" },
1.57      nicm       97:        { MODEKEYCHOICE_ENDOFLIST, "end-of-list"},
1.10      nicm       98:        { MODEKEYCHOICE_PAGEDOWN, "page-down" },
                     99:        { MODEKEYCHOICE_PAGEUP, "page-up" },
1.30      nicm      100:        { MODEKEYCHOICE_SCROLLDOWN, "scroll-down" },
                    101:        { MODEKEYCHOICE_SCROLLUP, "scroll-up" },
1.46      nicm      102:        { MODEKEYCHOICE_STARTNUMBERPREFIX, "start-number-prefix" },
1.57      nicm      103:        { MODEKEYCHOICE_STARTOFLIST, "start-of-list"},
                    104:        { MODEKEYCHOICE_TOPLINE, "top-line"},
1.49      nicm      105:        { MODEKEYCHOICE_TREE_COLLAPSE, "tree-collapse" },
1.48      nicm      106:        { MODEKEYCHOICE_TREE_COLLAPSE_ALL, "tree-collapse-all" },
1.49      nicm      107:        { MODEKEYCHOICE_TREE_EXPAND, "tree-expand" },
1.48      nicm      108:        { MODEKEYCHOICE_TREE_EXPAND_ALL, "tree-expand-all" },
                    109:        { MODEKEYCHOICE_TREE_TOGGLE, "tree-toggle" },
1.10      nicm      110:        { MODEKEYCHOICE_UP, "up" },
1.11      nicm      111:
                    112:        { 0, NULL }
1.10      nicm      113: };
                    114:
                    115: /* Copy keys command strings. */
1.36      nicm      116: const struct mode_key_cmdstr mode_key_cmdstr_copy[] = {
1.58      nicm      117:        { MODEKEYCOPY_APPENDSELECTION, "append-selection" },
1.15      nicm      118:        { MODEKEYCOPY_BACKTOINDENTATION, "back-to-indentation" },
1.23      nicm      119:        { MODEKEYCOPY_BOTTOMLINE, "bottom-line" },
1.10      nicm      120:        { MODEKEYCOPY_CANCEL, "cancel" },
                    121:        { MODEKEYCOPY_CLEARSELECTION, "clear-selection" },
1.52      nicm      122:        { MODEKEYCOPY_COPYPIPE, "copy-pipe" },
1.38      nicm      123:        { MODEKEYCOPY_COPYLINE, "copy-line" },
                    124:        { MODEKEYCOPY_COPYENDOFLINE, "copy-end-of-line" },
1.10      nicm      125:        { MODEKEYCOPY_COPYSELECTION, "copy-selection" },
                    126:        { MODEKEYCOPY_DOWN, "cursor-down" },
                    127:        { MODEKEYCOPY_ENDOFLINE, "end-of-line" },
1.15      nicm      128:        { MODEKEYCOPY_GOTOLINE, "goto-line" },
1.50      nicm      129:        { MODEKEYCOPY_HALFPAGEDOWN, "halfpage-down" },
                    130:        { MODEKEYCOPY_HALFPAGEUP, "halfpage-up" },
1.27      nicm      131:        { MODEKEYCOPY_HISTORYBOTTOM, "history-bottom" },
                    132:        { MODEKEYCOPY_HISTORYTOP, "history-top" },
1.35      nicm      133:        { MODEKEYCOPY_JUMP, "jump-forward" },
                    134:        { MODEKEYCOPY_JUMPAGAIN, "jump-again" },
                    135:        { MODEKEYCOPY_JUMPREVERSE, "jump-reverse" },
                    136:        { MODEKEYCOPY_JUMPBACK, "jump-backward" },
1.42      nicm      137:        { MODEKEYCOPY_JUMPTO, "jump-to-forward" },
                    138:        { MODEKEYCOPY_JUMPTOBACK, "jump-to-backward" },
1.10      nicm      139:        { MODEKEYCOPY_LEFT, "cursor-left" },
1.32      nicm      140:        { MODEKEYCOPY_RECTANGLETOGGLE, "rectangle-toggle" },
1.23      nicm      141:        { MODEKEYCOPY_MIDDLELINE, "middle-line" },
1.10      nicm      142:        { MODEKEYCOPY_NEXTPAGE, "page-down" },
1.68    ! nicm      143:        { MODEKEYCOPY_NEXTPARAGRAPH, "next-paragraph" },
1.31      nicm      144:        { MODEKEYCOPY_NEXTSPACE, "next-space" },
                    145:        { MODEKEYCOPY_NEXTSPACEEND, "next-space-end" },
1.10      nicm      146:        { MODEKEYCOPY_NEXTWORD, "next-word" },
1.28      nicm      147:        { MODEKEYCOPY_NEXTWORDEND, "next-word-end" },
1.60      nicm      148:        { MODEKEYCOPY_OTHEREND, "other-end" },
1.10      nicm      149:        { MODEKEYCOPY_PREVIOUSPAGE, "page-up" },
1.68    ! nicm      150:        { MODEKEYCOPY_PREVIOUSPARAGRAPH, "previous-paragraph" },
1.31      nicm      151:        { MODEKEYCOPY_PREVIOUSSPACE, "previous-space" },
1.10      nicm      152:        { MODEKEYCOPY_PREVIOUSWORD, "previous-word" },
                    153:        { MODEKEYCOPY_RIGHT, "cursor-right" },
1.21      nicm      154:        { MODEKEYCOPY_SCROLLDOWN, "scroll-down" },
                    155:        { MODEKEYCOPY_SCROLLUP, "scroll-up" },
1.15      nicm      156:        { MODEKEYCOPY_SEARCHAGAIN, "search-again" },
                    157:        { MODEKEYCOPY_SEARCHDOWN, "search-forward" },
1.33      nicm      158:        { MODEKEYCOPY_SEARCHREVERSE, "search-reverse" },
1.15      nicm      159:        { MODEKEYCOPY_SEARCHUP, "search-backward" },
1.38      nicm      160:        { MODEKEYCOPY_SELECTLINE, "select-line" },
1.59      nicm      161:        { MODEKEYCOPY_STARTNAMEDBUFFER, "start-named-buffer" },
1.34      nicm      162:        { MODEKEYCOPY_STARTNUMBERPREFIX, "start-number-prefix" },
1.10      nicm      163:        { MODEKEYCOPY_STARTOFLINE, "start-of-line" },
                    164:        { MODEKEYCOPY_STARTSELECTION, "begin-selection" },
1.23      nicm      165:        { MODEKEYCOPY_TOPLINE, "top-line" },
1.10      nicm      166:        { MODEKEYCOPY_UP, "cursor-up" },
1.11      nicm      167:
                    168:        { 0, NULL }
1.10      nicm      169: };
                    170:
1.8       nicm      171: /* vi editing keys. */
                    172: const struct mode_key_entry mode_key_vi_edit[] = {
1.48      nicm      173:        { '\003' /* C-c */,         0, MODEKEYEDIT_CANCEL },
                    174:        { '\010' /* C-h */,         0, MODEKEYEDIT_BACKSPACE },
                    175:        { '\011' /* Tab */,         0, MODEKEYEDIT_COMPLETE },
                    176:        { '\025' /* C-u */,         0, MODEKEYEDIT_DELETELINE },
                    177:        { '\027' /* C-w */,         0, MODEKEYEDIT_DELETEWORD },
                    178:        { '\033' /* Escape */,      0, MODEKEYEDIT_SWITCHMODE },
1.56      nicm      179:        { '\n',                     0, MODEKEYEDIT_ENTER },
1.48      nicm      180:        { '\r',                     0, MODEKEYEDIT_ENTER },
                    181:        { KEYC_BSPACE,              0, MODEKEYEDIT_BACKSPACE },
                    182:        { KEYC_DC,                  0, MODEKEYEDIT_DELETE },
                    183:        { KEYC_DOWN,                0, MODEKEYEDIT_HISTORYDOWN },
                    184:        { KEYC_LEFT,                0, MODEKEYEDIT_CURSORLEFT },
                    185:        { KEYC_RIGHT,               0, MODEKEYEDIT_CURSORRIGHT },
                    186:        { KEYC_UP,                  0, MODEKEYEDIT_HISTORYUP },
                    187:        { KEYC_HOME,                0, MODEKEYEDIT_STARTOFLINE },
                    188:        { KEYC_END,                 0, MODEKEYEDIT_ENDOFLINE },
                    189:
                    190:        { '$',                      1, MODEKEYEDIT_ENDOFLINE },
                    191:        { '0',                      1, MODEKEYEDIT_STARTOFLINE },
                    192:        { 'A',                      1, MODEKEYEDIT_SWITCHMODEAPPENDLINE },
                    193:        { 'B',                      1, MODEKEYEDIT_PREVIOUSSPACE },
1.53      nicm      194:        { 'C',                      1, MODEKEYEDIT_SWITCHMODECHANGELINE },
1.48      nicm      195:        { 'D',                      1, MODEKEYEDIT_DELETETOENDOFLINE },
                    196:        { 'E',                      1, MODEKEYEDIT_NEXTSPACEEND },
                    197:        { 'I',                      1, MODEKEYEDIT_SWITCHMODEBEGINLINE },
1.53      nicm      198:        { 'S',                      1, MODEKEYEDIT_SWITCHMODESUBSTITUTELINE },
1.48      nicm      199:        { 'W',                      1, MODEKEYEDIT_NEXTSPACE },
                    200:        { 'X',                      1, MODEKEYEDIT_BACKSPACE },
                    201:        { '\003' /* C-c */,         1, MODEKEYEDIT_CANCEL },
                    202:        { '\010' /* C-h */,         1, MODEKEYEDIT_BACKSPACE },
1.56      nicm      203:        { '\n',                     1, MODEKEYEDIT_ENTER },
1.48      nicm      204:        { '\r',                     1, MODEKEYEDIT_ENTER },
                    205:        { '^',                      1, MODEKEYEDIT_STARTOFLINE },
                    206:        { 'a',                      1, MODEKEYEDIT_SWITCHMODEAPPEND },
                    207:        { 'b',                      1, MODEKEYEDIT_PREVIOUSWORD },
                    208:        { 'd',                      1, MODEKEYEDIT_DELETELINE },
                    209:        { 'e',                      1, MODEKEYEDIT_NEXTWORDEND },
                    210:        { 'h',                      1, MODEKEYEDIT_CURSORLEFT },
                    211:        { 'i',                      1, MODEKEYEDIT_SWITCHMODE },
                    212:        { 'j',                      1, MODEKEYEDIT_HISTORYDOWN },
                    213:        { 'k',                      1, MODEKEYEDIT_HISTORYUP },
                    214:        { 'l',                      1, MODEKEYEDIT_CURSORRIGHT },
                    215:        { 'p',                      1, MODEKEYEDIT_PASTE },
1.53      nicm      216:        { 's',                      1, MODEKEYEDIT_SWITCHMODESUBSTITUTE },
1.48      nicm      217:        { 'w',                      1, MODEKEYEDIT_NEXTWORD },
                    218:        { 'x',                      1, MODEKEYEDIT_DELETE },
                    219:        { KEYC_BSPACE,              1, MODEKEYEDIT_BACKSPACE },
                    220:        { KEYC_DC,                  1, MODEKEYEDIT_DELETE },
                    221:        { KEYC_DOWN,                1, MODEKEYEDIT_HISTORYDOWN },
                    222:        { KEYC_LEFT,                1, MODEKEYEDIT_CURSORLEFT },
                    223:        { KEYC_RIGHT,               1, MODEKEYEDIT_CURSORRIGHT },
                    224:        { KEYC_UP,                  1, MODEKEYEDIT_HISTORYUP },
1.8       nicm      225:
1.48      nicm      226:        { 0,                       -1, 0 }
1.8       nicm      227: };
1.10      nicm      228: struct mode_key_tree mode_key_tree_vi_edit;
1.8       nicm      229:
                    230: /* vi choice selection keys. */
                    231: const struct mode_key_entry mode_key_vi_choice[] = {
1.48      nicm      232:        { '0' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    233:        { '1' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    234:        { '2' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    235:        { '3' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    236:        { '4' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    237:        { '5' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    238:        { '6' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    239:        { '7' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    240:        { '8' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    241:        { '9' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    242:        { '\002' /* C-b */,         0, MODEKEYCHOICE_PAGEUP },
                    243:        { '\003' /* C-c */,         0, MODEKEYCHOICE_CANCEL },
                    244:        { '\005' /* C-e */,         0, MODEKEYCHOICE_SCROLLDOWN },
                    245:        { '\006' /* C-f */,         0, MODEKEYCHOICE_PAGEDOWN },
                    246:        { '\031' /* C-y */,         0, MODEKEYCHOICE_SCROLLUP },
1.56      nicm      247:        { '\n',                     0, MODEKEYCHOICE_CHOOSE },
1.48      nicm      248:        { '\r',                     0, MODEKEYCHOICE_CHOOSE },
                    249:        { 'j',                      0, MODEKEYCHOICE_DOWN },
                    250:        { 'k',                      0, MODEKEYCHOICE_UP },
                    251:        { 'q',                      0, MODEKEYCHOICE_CANCEL },
1.57      nicm      252:        { KEYC_HOME,                0, MODEKEYCHOICE_STARTOFLIST },
                    253:        { 'g',                      0, MODEKEYCHOICE_STARTOFLIST },
                    254:        { 'H',                      0, MODEKEYCHOICE_TOPLINE },
                    255:        { 'L',                      0, MODEKEYCHOICE_BOTTOMLINE },
                    256:        { 'G',                      0, MODEKEYCHOICE_ENDOFLIST },
                    257:        { KEYC_END,                 0, MODEKEYCHOICE_ENDOFLIST },
1.48      nicm      258:        { KEYC_BSPACE,              0, MODEKEYCHOICE_BACKSPACE },
                    259:        { KEYC_DOWN | KEYC_CTRL,    0, MODEKEYCHOICE_SCROLLDOWN },
                    260:        { KEYC_DOWN,                0, MODEKEYCHOICE_DOWN },
                    261:        { KEYC_NPAGE,               0, MODEKEYCHOICE_PAGEDOWN },
                    262:        { KEYC_PPAGE,               0, MODEKEYCHOICE_PAGEUP },
                    263:        { KEYC_UP | KEYC_CTRL,      0, MODEKEYCHOICE_SCROLLUP },
                    264:        { KEYC_UP,                  0, MODEKEYCHOICE_UP },
                    265:        { ' ',                      0, MODEKEYCHOICE_TREE_TOGGLE },
1.54      nicm      266:        { KEYC_LEFT,                0, MODEKEYCHOICE_TREE_COLLAPSE },
                    267:        { KEYC_RIGHT,               0, MODEKEYCHOICE_TREE_EXPAND },
1.48      nicm      268:        { KEYC_LEFT | KEYC_CTRL,    0, MODEKEYCHOICE_TREE_COLLAPSE_ALL },
                    269:        { KEYC_RIGHT | KEYC_CTRL,   0, MODEKEYCHOICE_TREE_EXPAND_ALL },
1.62      nicm      270:        { KEYC_MOUSEDOWN1_PANE,     0, MODEKEYCHOICE_CHOOSE },
                    271:        { KEYC_MOUSEDOWN3_PANE,     0, MODEKEYCHOICE_TREE_TOGGLE },
                    272:        { KEYC_WHEELUP_PANE,        0, MODEKEYCHOICE_UP },
                    273:        { KEYC_WHEELDOWN_PANE,      0, MODEKEYCHOICE_DOWN },
1.8       nicm      274:
1.48      nicm      275:        { 0,                       -1, 0 }
1.8       nicm      276: };
1.10      nicm      277: struct mode_key_tree mode_key_tree_vi_choice;
1.8       nicm      278:
                    279: /* vi copy mode keys. */
                    280: const struct mode_key_entry mode_key_vi_copy[] = {
1.48      nicm      281:        { ' ',                      0, MODEKEYCOPY_STARTSELECTION },
1.59      nicm      282:        { '"',                      0, MODEKEYCOPY_STARTNAMEDBUFFER },
1.48      nicm      283:        { '$',                      0, MODEKEYCOPY_ENDOFLINE },
                    284:        { ',',                      0, MODEKEYCOPY_JUMPREVERSE },
                    285:        { ';',                      0, MODEKEYCOPY_JUMPAGAIN },
                    286:        { '/',                      0, MODEKEYCOPY_SEARCHDOWN },
                    287:        { '0',                      0, MODEKEYCOPY_STARTOFLINE },
                    288:        { '1',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    289:        { '2',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    290:        { '3',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    291:        { '4',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    292:        { '5',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    293:        { '6',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    294:        { '7',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    295:        { '8',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    296:        { '9',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    297:        { ':',                      0, MODEKEYCOPY_GOTOLINE },
                    298:        { '?',                      0, MODEKEYCOPY_SEARCHUP },
1.58      nicm      299:        { 'A',                      0, MODEKEYCOPY_APPENDSELECTION },
1.48      nicm      300:        { 'B',                      0, MODEKEYCOPY_PREVIOUSSPACE },
                    301:        { 'D',                      0, MODEKEYCOPY_COPYENDOFLINE },
                    302:        { 'E',                      0, MODEKEYCOPY_NEXTSPACEEND },
                    303:        { 'F',                      0, MODEKEYCOPY_JUMPBACK },
                    304:        { 'G',                      0, MODEKEYCOPY_HISTORYBOTTOM },
                    305:        { 'H',                      0, MODEKEYCOPY_TOPLINE },
                    306:        { 'J',                      0, MODEKEYCOPY_SCROLLDOWN },
                    307:        { 'K',                      0, MODEKEYCOPY_SCROLLUP },
                    308:        { 'L',                      0, MODEKEYCOPY_BOTTOMLINE },
                    309:        { 'M',                      0, MODEKEYCOPY_MIDDLELINE },
                    310:        { 'N',                      0, MODEKEYCOPY_SEARCHREVERSE },
                    311:        { 'T',                      0, MODEKEYCOPY_JUMPTOBACK },
1.61      nicm      312:        { 'V',                      0, MODEKEYCOPY_SELECTLINE },
1.48      nicm      313:        { 'W',                      0, MODEKEYCOPY_NEXTSPACE },
                    314:        { '\002' /* C-b */,         0, MODEKEYCOPY_PREVIOUSPAGE },
                    315:        { '\003' /* C-c */,         0, MODEKEYCOPY_CANCEL },
                    316:        { '\004' /* C-d */,         0, MODEKEYCOPY_HALFPAGEDOWN },
                    317:        { '\005' /* C-e */,         0, MODEKEYCOPY_SCROLLDOWN },
                    318:        { '\006' /* C-f */,         0, MODEKEYCOPY_NEXTPAGE },
                    319:        { '\010' /* C-h */,         0, MODEKEYCOPY_LEFT },
                    320:        { '\025' /* C-u */,         0, MODEKEYCOPY_HALFPAGEUP },
                    321:        { '\031' /* C-y */,         0, MODEKEYCOPY_SCROLLUP },
                    322:        { '\033' /* Escape */,      0, MODEKEYCOPY_CLEARSELECTION },
1.56      nicm      323:        { '\n',                     0, MODEKEYCOPY_COPYSELECTION },
1.48      nicm      324:        { '\r',                     0, MODEKEYCOPY_COPYSELECTION },
                    325:        { '^',                      0, MODEKEYCOPY_BACKTOINDENTATION },
                    326:        { 'b',                      0, MODEKEYCOPY_PREVIOUSWORD },
                    327:        { 'e',                      0, MODEKEYCOPY_NEXTWORDEND },
                    328:        { 'f',                      0, MODEKEYCOPY_JUMP },
                    329:        { 'g',                      0, MODEKEYCOPY_HISTORYTOP },
                    330:        { 'h',                      0, MODEKEYCOPY_LEFT },
                    331:        { 'j',                      0, MODEKEYCOPY_DOWN },
                    332:        { 'k',                      0, MODEKEYCOPY_UP },
                    333:        { 'l',                      0, MODEKEYCOPY_RIGHT },
                    334:        { 'n',                      0, MODEKEYCOPY_SEARCHAGAIN },
1.55      nicm      335:        { 'o',                      0, MODEKEYCOPY_OTHEREND },
1.48      nicm      336:        { 't',                      0, MODEKEYCOPY_JUMPTO },
                    337:        { 'q',                      0, MODEKEYCOPY_CANCEL },
                    338:        { 'v',                      0, MODEKEYCOPY_RECTANGLETOGGLE },
                    339:        { 'w',                      0, MODEKEYCOPY_NEXTWORD },
1.68    ! nicm      340:        { '{',                      0, MODEKEYCOPY_PREVIOUSPARAGRAPH },
        !           341:        { '}',                      0, MODEKEYCOPY_NEXTPARAGRAPH },
1.48      nicm      342:        { KEYC_BSPACE,              0, MODEKEYCOPY_LEFT },
                    343:        { KEYC_DOWN | KEYC_CTRL,    0, MODEKEYCOPY_SCROLLDOWN },
                    344:        { KEYC_DOWN,                0, MODEKEYCOPY_DOWN },
                    345:        { KEYC_LEFT,                0, MODEKEYCOPY_LEFT },
                    346:        { KEYC_NPAGE,               0, MODEKEYCOPY_NEXTPAGE },
                    347:        { KEYC_PPAGE,               0, MODEKEYCOPY_PREVIOUSPAGE },
                    348:        { KEYC_RIGHT,               0, MODEKEYCOPY_RIGHT },
                    349:        { KEYC_UP | KEYC_CTRL,      0, MODEKEYCOPY_SCROLLUP },
                    350:        { KEYC_UP,                  0, MODEKEYCOPY_UP },
1.62      nicm      351:        { KEYC_WHEELUP_PANE,        0, MODEKEYCOPY_SCROLLUP },
                    352:        { KEYC_WHEELDOWN_PANE,      0, MODEKEYCOPY_SCROLLDOWN },
                    353:        { KEYC_MOUSEDRAG1_PANE,     0, MODEKEYCOPY_STARTSELECTION },
1.67      nicm      354:        { KEYC_MOUSEDRAGEND1_PANE,  0, MODEKEYCOPY_COPYSELECTION },
1.25      nicm      355:
1.48      nicm      356:        { 0,                       -1, 0 }
1.8       nicm      357: };
1.10      nicm      358: struct mode_key_tree mode_key_tree_vi_copy;
1.8       nicm      359:
                    360: /* emacs editing keys. */
                    361: const struct mode_key_entry mode_key_emacs_edit[] = {
1.48      nicm      362:        { '\001' /* C-a */,         0, MODEKEYEDIT_STARTOFLINE },
                    363:        { '\002' /* C-b */,         0, MODEKEYEDIT_CURSORLEFT },
                    364:        { '\003' /* C-c */,         0, MODEKEYEDIT_CANCEL },
                    365:        { '\004' /* C-d */,         0, MODEKEYEDIT_DELETE },
                    366:        { '\005' /* C-e */,         0, MODEKEYEDIT_ENDOFLINE },
                    367:        { '\006' /* C-f */,         0, MODEKEYEDIT_CURSORRIGHT },
                    368:        { '\010' /* C-H */,         0, MODEKEYEDIT_BACKSPACE },
                    369:        { '\011' /* Tab */,         0, MODEKEYEDIT_COMPLETE },
                    370:        { '\013' /* C-k */,         0, MODEKEYEDIT_DELETETOENDOFLINE },
                    371:        { '\016' /* C-n */,         0, MODEKEYEDIT_HISTORYDOWN },
                    372:        { '\020' /* C-p */,         0, MODEKEYEDIT_HISTORYUP },
                    373:        { '\024' /* C-t */,         0, MODEKEYEDIT_TRANSPOSECHARS },
                    374:        { '\025' /* C-u */,         0, MODEKEYEDIT_DELETELINE },
                    375:        { '\027' /* C-w */,         0, MODEKEYEDIT_DELETEWORD },
                    376:        { '\031' /* C-y */,         0, MODEKEYEDIT_PASTE },
                    377:        { '\033' /* Escape */,      0, MODEKEYEDIT_CANCEL },
1.56      nicm      378:        { '\n',                     0, MODEKEYEDIT_ENTER },
1.48      nicm      379:        { '\r',                     0, MODEKEYEDIT_ENTER },
                    380:        { 'b' | KEYC_ESCAPE,        0, MODEKEYEDIT_PREVIOUSWORD },
                    381:        { 'f' | KEYC_ESCAPE,        0, MODEKEYEDIT_NEXTWORDEND },
                    382:        { 'm' | KEYC_ESCAPE,        0, MODEKEYEDIT_STARTOFLINE },
                    383:        { KEYC_BSPACE,              0, MODEKEYEDIT_BACKSPACE },
                    384:        { KEYC_DC,                  0, MODEKEYEDIT_DELETE },
                    385:        { KEYC_DOWN,                0, MODEKEYEDIT_HISTORYDOWN },
                    386:        { KEYC_LEFT,                0, MODEKEYEDIT_CURSORLEFT },
                    387:        { KEYC_RIGHT,               0, MODEKEYEDIT_CURSORRIGHT },
                    388:        { KEYC_UP,                  0, MODEKEYEDIT_HISTORYUP },
                    389:        { KEYC_HOME,                0, MODEKEYEDIT_STARTOFLINE },
                    390:        { KEYC_END,                 0, MODEKEYEDIT_ENDOFLINE },
1.8       nicm      391:
1.48      nicm      392:        { 0,                       -1, 0 }
1.8       nicm      393: };
1.10      nicm      394: struct mode_key_tree mode_key_tree_emacs_edit;
1.8       nicm      395:
                    396: /* emacs choice selection keys. */
                    397: const struct mode_key_entry mode_key_emacs_choice[] = {
1.48      nicm      398:        { '0' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    399:        { '1' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    400:        { '2' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    401:        { '3' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    402:        { '4' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    403:        { '5' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    404:        { '6' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    405:        { '7' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    406:        { '8' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    407:        { '9' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
                    408:        { '\003' /* C-c */,         0, MODEKEYCHOICE_CANCEL },
                    409:        { '\016' /* C-n */,         0, MODEKEYCHOICE_DOWN },
                    410:        { '\020' /* C-p */,         0, MODEKEYCHOICE_UP },
                    411:        { '\026' /* C-v */,         0, MODEKEYCHOICE_PAGEDOWN },
                    412:        { '\033' /* Escape */,      0, MODEKEYCHOICE_CANCEL },
1.56      nicm      413:        { '\n',                     0, MODEKEYCHOICE_CHOOSE },
1.48      nicm      414:        { '\r',                     0, MODEKEYCHOICE_CHOOSE },
                    415:        { 'q',                      0, MODEKEYCHOICE_CANCEL },
                    416:        { 'v' | KEYC_ESCAPE,        0, MODEKEYCHOICE_PAGEUP },
1.57      nicm      417:        { KEYC_HOME,                0, MODEKEYCHOICE_STARTOFLIST },
                    418:        { '<' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTOFLIST },
                    419:        { 'R' | KEYC_ESCAPE,        0, MODEKEYCHOICE_TOPLINE },
                    420:        { '>' | KEYC_ESCAPE,        0, MODEKEYCHOICE_ENDOFLIST },
                    421:        { KEYC_END,                 0, MODEKEYCHOICE_ENDOFLIST },
1.48      nicm      422:        { KEYC_BSPACE,              0, MODEKEYCHOICE_BACKSPACE },
                    423:        { KEYC_DOWN | KEYC_CTRL,    0, MODEKEYCHOICE_SCROLLDOWN },
                    424:        { KEYC_DOWN,                0, MODEKEYCHOICE_DOWN },
                    425:        { KEYC_NPAGE,               0, MODEKEYCHOICE_PAGEDOWN },
                    426:        { KEYC_PPAGE,               0, MODEKEYCHOICE_PAGEUP },
                    427:        { KEYC_UP | KEYC_CTRL,      0, MODEKEYCHOICE_SCROLLUP },
                    428:        { KEYC_UP,                  0, MODEKEYCHOICE_UP },
                    429:        { ' ',                      0, MODEKEYCHOICE_TREE_TOGGLE },
1.54      nicm      430:        { KEYC_LEFT,                0, MODEKEYCHOICE_TREE_COLLAPSE },
                    431:        { KEYC_RIGHT,               0, MODEKEYCHOICE_TREE_EXPAND },
1.48      nicm      432:        { KEYC_LEFT | KEYC_CTRL,    0, MODEKEYCHOICE_TREE_COLLAPSE_ALL },
                    433:        { KEYC_RIGHT | KEYC_CTRL,   0, MODEKEYCHOICE_TREE_EXPAND_ALL },
1.62      nicm      434:        { KEYC_MOUSEDOWN1_PANE,     0, MODEKEYCHOICE_CHOOSE },
                    435:        { KEYC_MOUSEDOWN3_PANE,     0, MODEKEYCHOICE_TREE_TOGGLE },
                    436:        { KEYC_WHEELUP_PANE,        0, MODEKEYCHOICE_UP },
                    437:        { KEYC_WHEELDOWN_PANE,      0, MODEKEYCHOICE_DOWN },
1.8       nicm      438:
1.48      nicm      439:        { 0,                       -1, 0 }
1.8       nicm      440: };
1.10      nicm      441: struct mode_key_tree mode_key_tree_emacs_choice;
1.8       nicm      442:
                    443: /* emacs copy mode keys. */
                    444: const struct mode_key_entry mode_key_emacs_copy[] = {
1.48      nicm      445:        { ' ',                      0, MODEKEYCOPY_NEXTPAGE },
                    446:        { ',',                      0, MODEKEYCOPY_JUMPREVERSE },
                    447:        { ';',                      0, MODEKEYCOPY_JUMPAGAIN },
                    448:        { '1' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    449:        { '2' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    450:        { '3' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    451:        { '4' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    452:        { '5' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    453:        { '6' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    454:        { '7' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    455:        { '8' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    456:        { '9' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
                    457:        { '<' | KEYC_ESCAPE,        0, MODEKEYCOPY_HISTORYTOP },
                    458:        { '>' | KEYC_ESCAPE,        0, MODEKEYCOPY_HISTORYBOTTOM },
                    459:        { 'F',                      0, MODEKEYCOPY_JUMPBACK },
                    460:        { 'N',                      0, MODEKEYCOPY_SEARCHREVERSE },
                    461:        { 'R' | KEYC_ESCAPE,        0, MODEKEYCOPY_TOPLINE },
                    462:        { 'R',                      0, MODEKEYCOPY_RECTANGLETOGGLE },
                    463:        { 'T',                      0, MODEKEYCOPY_JUMPTOBACK },
                    464:        { '\000' /* C-Space */,     0, MODEKEYCOPY_STARTSELECTION },
                    465:        { '\001' /* C-a */,         0, MODEKEYCOPY_STARTOFLINE },
                    466:        { '\002' /* C-b */,         0, MODEKEYCOPY_LEFT },
                    467:        { '\003' /* C-c */,         0, MODEKEYCOPY_CANCEL },
                    468:        { '\005' /* C-e */,         0, MODEKEYCOPY_ENDOFLINE },
                    469:        { '\006' /* C-f */,         0, MODEKEYCOPY_RIGHT },
                    470:        { '\007' /* C-g */,         0, MODEKEYCOPY_CLEARSELECTION },
                    471:        { '\013' /* C-k */,         0, MODEKEYCOPY_COPYENDOFLINE },
                    472:        { '\016' /* C-n */,         0, MODEKEYCOPY_DOWN },
                    473:        { '\020' /* C-p */,         0, MODEKEYCOPY_UP },
                    474:        { '\022' /* C-r */,         0, MODEKEYCOPY_SEARCHUP },
                    475:        { '\023' /* C-s */,         0, MODEKEYCOPY_SEARCHDOWN },
                    476:        { '\026' /* C-v */,         0, MODEKEYCOPY_NEXTPAGE },
                    477:        { '\027' /* C-w */,         0, MODEKEYCOPY_COPYSELECTION },
                    478:        { '\033' /* Escape */,      0, MODEKEYCOPY_CANCEL },
                    479:        { 'b' | KEYC_ESCAPE,        0, MODEKEYCOPY_PREVIOUSWORD },
                    480:        { 'f',                      0, MODEKEYCOPY_JUMP },
                    481:        { 'f' | KEYC_ESCAPE,        0, MODEKEYCOPY_NEXTWORDEND },
                    482:        { 'g',                      0, MODEKEYCOPY_GOTOLINE },
                    483:        { 'm' | KEYC_ESCAPE,        0, MODEKEYCOPY_BACKTOINDENTATION },
                    484:        { 'n',                      0, MODEKEYCOPY_SEARCHAGAIN },
                    485:        { 'q',                      0, MODEKEYCOPY_CANCEL },
                    486:        { 'r' | KEYC_ESCAPE,        0, MODEKEYCOPY_MIDDLELINE },
                    487:        { 't',                      0, MODEKEYCOPY_JUMPTO },
                    488:        { 'v' | KEYC_ESCAPE,        0, MODEKEYCOPY_PREVIOUSPAGE },
                    489:        { 'w' | KEYC_ESCAPE,        0, MODEKEYCOPY_COPYSELECTION },
1.68    ! nicm      490:        { '{' | KEYC_ESCAPE,        0, MODEKEYCOPY_PREVIOUSPARAGRAPH },
        !           491:        { '}' | KEYC_ESCAPE,        0, MODEKEYCOPY_NEXTPARAGRAPH },
1.48      nicm      492:        { KEYC_DOWN | KEYC_CTRL,    0, MODEKEYCOPY_SCROLLDOWN },
                    493:        { KEYC_DOWN | KEYC_ESCAPE,  0, MODEKEYCOPY_HALFPAGEDOWN },
                    494:        { KEYC_DOWN,                0, MODEKEYCOPY_DOWN },
                    495:        { KEYC_LEFT,                0, MODEKEYCOPY_LEFT },
                    496:        { KEYC_NPAGE,               0, MODEKEYCOPY_NEXTPAGE },
                    497:        { KEYC_PPAGE,               0, MODEKEYCOPY_PREVIOUSPAGE },
                    498:        { KEYC_RIGHT,               0, MODEKEYCOPY_RIGHT },
                    499:        { KEYC_UP | KEYC_CTRL,      0, MODEKEYCOPY_SCROLLUP },
                    500:        { KEYC_UP | KEYC_ESCAPE,    0, MODEKEYCOPY_HALFPAGEUP },
                    501:        { KEYC_UP,                  0, MODEKEYCOPY_UP },
1.62      nicm      502:        { KEYC_WHEELUP_PANE,        0, MODEKEYCOPY_SCROLLUP },
                    503:        { KEYC_WHEELDOWN_PANE,      0, MODEKEYCOPY_SCROLLDOWN },
                    504:        { KEYC_MOUSEDRAG1_PANE,     0, MODEKEYCOPY_STARTSELECTION },
1.67      nicm      505:        { KEYC_MOUSEDRAGEND1_PANE,  0, MODEKEYCOPY_COPYSELECTION },
1.8       nicm      506:
1.48      nicm      507:        { 0,                       -1, 0 }
1.8       nicm      508: };
1.10      nicm      509: struct mode_key_tree mode_key_tree_emacs_copy;
                    510:
                    511: /* Table mapping key table names to default settings and trees. */
                    512: const struct mode_key_table mode_key_tables[] = {
                    513:        { "vi-edit", mode_key_cmdstr_edit,
                    514:          &mode_key_tree_vi_edit, mode_key_vi_edit },
                    515:        { "vi-choice", mode_key_cmdstr_choice,
                    516:          &mode_key_tree_vi_choice, mode_key_vi_choice },
                    517:        { "vi-copy", mode_key_cmdstr_copy,
                    518:          &mode_key_tree_vi_copy, mode_key_vi_copy },
                    519:        { "emacs-edit", mode_key_cmdstr_edit,
                    520:          &mode_key_tree_emacs_edit, mode_key_emacs_edit },
                    521:        { "emacs-choice", mode_key_cmdstr_choice,
                    522:          &mode_key_tree_emacs_choice, mode_key_emacs_choice },
                    523:        { "emacs-copy", mode_key_cmdstr_copy,
                    524:          &mode_key_tree_emacs_copy, mode_key_emacs_copy },
                    525:
                    526:        { NULL, NULL, NULL, NULL }
                    527: };
                    528:
1.44      nicm      529: RB_GENERATE(mode_key_tree, mode_key_binding, entry, mode_key_cmp);
1.10      nicm      530:
                    531: int
                    532: mode_key_cmp(struct mode_key_binding *mbind1, struct mode_key_binding *mbind2)
                    533: {
1.64      nicm      534:        if (mbind1->mode < mbind2->mode)
                    535:                return (-1);
                    536:        if (mbind1->mode > mbind2->mode)
                    537:                return (1);
                    538:        if (mbind1->key < mbind2->key)
                    539:                return (-1);
                    540:        if (mbind1->key > mbind2->key)
                    541:                return (1);
                    542:        return (0);
1.10      nicm      543: }
                    544:
                    545: const char *
1.36      nicm      546: mode_key_tostring(const struct mode_key_cmdstr *cmdstr, enum mode_key_cmd cmd)
1.10      nicm      547: {
                    548:        for (; cmdstr->name != NULL; cmdstr++) {
                    549:                if (cmdstr->cmd == cmd)
                    550:                        return (cmdstr->name);
1.11      nicm      551:        }
                    552:        return (NULL);
                    553: }
                    554:
                    555: enum mode_key_cmd
1.36      nicm      556: mode_key_fromstring(const struct mode_key_cmdstr *cmdstr, const char *name)
1.11      nicm      557: {
                    558:        for (; cmdstr->name != NULL; cmdstr++) {
                    559:                if (strcasecmp(cmdstr->name, name) == 0)
                    560:                        return (cmdstr->cmd);
                    561:        }
                    562:        return (MODEKEY_NONE);
                    563: }
                    564:
                    565: const struct mode_key_table *
                    566: mode_key_findtable(const char *name)
                    567: {
                    568:        const struct mode_key_table     *mtab;
1.25      nicm      569:
1.11      nicm      570:        for (mtab = mode_key_tables; mtab->name != NULL; mtab++) {
                    571:                if (strcasecmp(name, mtab->name) == 0)
                    572:                        return (mtab);
1.10      nicm      573:        }
                    574:        return (NULL);
                    575: }
1.1       nicm      576:
                    577: void
1.10      nicm      578: mode_key_init_trees(void)
1.1       nicm      579: {
1.10      nicm      580:        const struct mode_key_table     *mtab;
                    581:        const struct mode_key_entry     *ment;
                    582:        struct mode_key_binding         *mbind;
                    583:
                    584:        for (mtab = mode_key_tables; mtab->name != NULL; mtab++) {
1.44      nicm      585:                RB_INIT(mtab->tree);
1.10      nicm      586:                for (ment = mtab->table; ment->mode != -1; ment++) {
                    587:                        mbind = xmalloc(sizeof *mbind);
                    588:                        mbind->key = ment->key;
                    589:                        mbind->mode = ment->mode;
                    590:                        mbind->cmd = ment->cmd;
1.52      nicm      591:                        mbind->arg = NULL;
1.44      nicm      592:                        RB_INSERT(mode_key_tree, mtab->tree, mbind);
1.10      nicm      593:                }
                    594:        }
                    595: }
                    596:
                    597: void
                    598: mode_key_init(struct mode_key_data *mdata, struct mode_key_tree *mtree)
                    599: {
                    600:        mdata->tree = mtree;
1.8       nicm      601:        mdata->mode = 0;
1.1       nicm      602: }
                    603:
                    604: enum mode_key_cmd
1.64      nicm      605: mode_key_lookup(struct mode_key_data *mdata, key_code key, const char **arg)
1.1       nicm      606: {
1.10      nicm      607:        struct mode_key_binding *mbind, mtmp;
                    608:
                    609:        mtmp.key = key;
                    610:        mtmp.mode = mdata->mode;
1.44      nicm      611:        if ((mbind = RB_FIND(mode_key_tree, mdata->tree, &mtmp)) == NULL) {
1.10      nicm      612:                if (mdata->mode != 0)
                    613:                        return (MODEKEY_NONE);
                    614:                return (MODEKEY_OTHER);
                    615:        }
1.1       nicm      616:
1.10      nicm      617:        switch (mbind->cmd) {
                    618:        case MODEKEYEDIT_SWITCHMODE:
                    619:        case MODEKEYEDIT_SWITCHMODEAPPEND:
1.45      nicm      620:        case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
                    621:        case MODEKEYEDIT_SWITCHMODEBEGINLINE:
1.53      nicm      622:        case MODEKEYEDIT_SWITCHMODECHANGELINE:
                    623:        case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
                    624:        case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.10      nicm      625:                mdata->mode = 1 - mdata->mode;
                    626:                /* FALLTHROUGH */
                    627:        default:
1.52      nicm      628:                if (arg != NULL)
                    629:                        *arg = mbind->arg;
1.10      nicm      630:                return (mbind->cmd);
1.1       nicm      631:        }
                    632: }