mode-key.c

   1 /* $OpenBSD$ */
   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
  21 #include <string.h>
  22
  23 #include "tmux.h"
  24
  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  * (any matching MODEKEYEDIT_SWITCHMODE*) are special-cased to do this.
  39  */
  40
  41 /* Edit keys command strings. */
  42 const struct mode_key_cmdstr mode_key_cmdstr_edit[] = {
  43         { MODEKEYEDIT_BACKSPACE, "backspace" },
  44         { MODEKEYEDIT_CANCEL, "cancel" },
  45         { MODEKEYEDIT_COMPLETE, "complete" },
  46         { MODEKEYEDIT_CURSORLEFT, "cursor-left" },
  47         { MODEKEYEDIT_CURSORRIGHT, "cursor-right" },
  48         { MODEKEYEDIT_DELETE, "delete" },
  49         { MODEKEYEDIT_DELETELINE, "delete-line" },
  50         { MODEKEYEDIT_DELETETOENDOFLINE, "delete-end-of-line" },
  51         { MODEKEYEDIT_DELETEWORD, "delete-word" },
  52         { MODEKEYEDIT_ENDOFLINE, "end-of-line" },
  53         { MODEKEYEDIT_ENTER, "enter" },
  54         { MODEKEYEDIT_HISTORYDOWN, "history-down" },
  55         { MODEKEYEDIT_HISTORYUP, "history-up" },
  56         { MODEKEYEDIT_NEXTSPACE, "next-space" },
  57         { MODEKEYEDIT_NEXTSPACEEND, "next-space-end" },
  58         { MODEKEYEDIT_NEXTWORD, "next-word" },
  59         { MODEKEYEDIT_NEXTWORDEND, "next-word-end" },
  60         { MODEKEYEDIT_PASTE, "paste" },
  61         { MODEKEYEDIT_PREVIOUSSPACE, "previous-space" },
  62         { MODEKEYEDIT_PREVIOUSWORD, "previous-word" },
  63         { MODEKEYEDIT_STARTOFLINE, "start-of-line" },
  64         { MODEKEYEDIT_SWITCHMODE, "switch-mode" },
  65         { MODEKEYEDIT_SWITCHMODEAPPEND, "switch-mode-append" },
  66         { MODEKEYEDIT_SWITCHMODEAPPENDLINE, "switch-mode-append-line" },
  67         { MODEKEYEDIT_SWITCHMODEBEGINLINE, "switch-mode-begin-line" },
  68         { MODEKEYEDIT_SWITCHMODECHANGELINE, "switch-mode-change-line" },
  69         { MODEKEYEDIT_SWITCHMODESUBSTITUTE, "switch-mode-substitute" },
  70         { MODEKEYEDIT_SWITCHMODESUBSTITUTELINE, "switch-mode-substitute-line" },
  71         { MODEKEYEDIT_TRANSPOSECHARS, "transpose-chars" },
  72
  73         { 0, NULL }
  74 };
  75
  76 /* Choice keys command strings. */
  77 const struct mode_key_cmdstr mode_key_cmdstr_choice[] = {
  78         { MODEKEYCHOICE_BACKSPACE, "backspace" },
  79         { MODEKEYCHOICE_CANCEL, "cancel" },
  80         { MODEKEYCHOICE_CHOOSE, "choose" },
  81         { MODEKEYCHOICE_DOWN, "down" },
  82         { MODEKEYCHOICE_PAGEDOWN, "page-down" },
  83         { MODEKEYCHOICE_PAGEUP, "page-up" },
  84         { MODEKEYCHOICE_SCROLLDOWN, "scroll-down" },
  85         { MODEKEYCHOICE_SCROLLUP, "scroll-up" },
  86         { MODEKEYCHOICE_STARTNUMBERPREFIX, "start-number-prefix" },
  87         { MODEKEYCHOICE_TREE_COLLAPSE, "tree-collapse" },
  88         { MODEKEYCHOICE_TREE_COLLAPSE_ALL, "tree-collapse-all" },
  89         { MODEKEYCHOICE_TREE_EXPAND, "tree-expand" },
  90         { MODEKEYCHOICE_TREE_EXPAND_ALL, "tree-expand-all" },
  91         { MODEKEYCHOICE_TREE_TOGGLE, "tree-toggle" },
  92         { MODEKEYCHOICE_UP, "up" },
  93
  94         { 0, NULL }
  95 };
  96
  97 /* Copy keys command strings. */
  98 const struct mode_key_cmdstr mode_key_cmdstr_copy[] = {
  99         { MODEKEYCOPY_BACKTOINDENTATION, "back-to-indentation" },
 100         { MODEKEYCOPY_BOTTOMLINE, "bottom-line" },
 101         { MODEKEYCOPY_CANCEL, "cancel" },
 102         { MODEKEYCOPY_CLEARSELECTION, "clear-selection" },
 103         { MODEKEYCOPY_COPYPIPE, "copy-pipe" },
 104         { MODEKEYCOPY_COPYLINE, "copy-line" },
 105         { MODEKEYCOPY_COPYENDOFLINE, "copy-end-of-line" },
 106         { MODEKEYCOPY_COPYSELECTION, "copy-selection" },
 107         { MODEKEYCOPY_DOWN, "cursor-down" },
 108         { MODEKEYCOPY_ENDOFLINE, "end-of-line" },
 109         { MODEKEYCOPY_GOTOLINE, "goto-line" },
 110         { MODEKEYCOPY_HALFPAGEDOWN, "halfpage-down" },
 111         { MODEKEYCOPY_HALFPAGEUP, "halfpage-up" },
 112         { MODEKEYCOPY_HISTORYBOTTOM, "history-bottom" },
 113         { MODEKEYCOPY_HISTORYTOP, "history-top" },
 114         { MODEKEYCOPY_JUMP, "jump-forward" },
 115         { MODEKEYCOPY_JUMPAGAIN, "jump-again" },
 116         { MODEKEYCOPY_JUMPREVERSE, "jump-reverse" },
 117         { MODEKEYCOPY_JUMPBACK, "jump-backward" },
 118         { MODEKEYCOPY_JUMPTO, "jump-to-forward" },
 119         { MODEKEYCOPY_JUMPTOBACK, "jump-to-backward" },
 120         { MODEKEYCOPY_LEFT, "cursor-left" },
 121         { MODEKEYCOPY_RECTANGLETOGGLE, "rectangle-toggle" },
 122         { MODEKEYCOPY_MIDDLELINE, "middle-line" },
 123         { MODEKEYCOPY_NEXTPAGE, "page-down" },
 124         { MODEKEYCOPY_NEXTSPACE, "next-space" },
 125         { MODEKEYCOPY_NEXTSPACEEND, "next-space-end" },
 126         { MODEKEYCOPY_NEXTWORD, "next-word" },
 127         { MODEKEYCOPY_NEXTWORDEND, "next-word-end" },
 128         { MODEKEYCOPY_PREVIOUSPAGE, "page-up" },
 129         { MODEKEYCOPY_PREVIOUSSPACE, "previous-space" },
 130         { MODEKEYCOPY_PREVIOUSWORD, "previous-word" },
 131         { MODEKEYCOPY_RIGHT, "cursor-right" },
 132         { MODEKEYCOPY_SCROLLDOWN, "scroll-down" },
 133         { MODEKEYCOPY_SCROLLUP, "scroll-up" },
 134         { MODEKEYCOPY_SEARCHAGAIN, "search-again" },
 135         { MODEKEYCOPY_SEARCHDOWN, "search-forward" },
 136         { MODEKEYCOPY_SEARCHREVERSE, "search-reverse" },
 137         { MODEKEYCOPY_SEARCHUP, "search-backward" },
 138         { MODEKEYCOPY_SELECTLINE, "select-line" },
 139         { MODEKEYCOPY_STARTNUMBERPREFIX, "start-number-prefix" },
 140         { MODEKEYCOPY_STARTOFLINE, "start-of-line" },
 141         { MODEKEYCOPY_STARTSELECTION, "begin-selection" },
 142         { MODEKEYCOPY_TOPLINE, "top-line" },
 143         { MODEKEYCOPY_UP, "cursor-up" },
 144
 145         { 0, NULL }
 146 };
 147
 148 /* vi editing keys. */
 149 const struct mode_key_entry mode_key_vi_edit[] = {
 150         { '\003' /* C-c */,         0, MODEKEYEDIT_CANCEL },
 151         { '\010' /* C-h */,         0, MODEKEYEDIT_BACKSPACE },
 152         { '\011' /* Tab */,         0, MODEKEYEDIT_COMPLETE },
 153         { '\025' /* C-u */,         0, MODEKEYEDIT_DELETELINE },
 154         { '\027' /* C-w */,         0, MODEKEYEDIT_DELETEWORD },
 155         { '\033' /* Escape */,      0, MODEKEYEDIT_SWITCHMODE },
 156         { '\r',                     0, MODEKEYEDIT_ENTER },
 157         { KEYC_BSPACE,              0, MODEKEYEDIT_BACKSPACE },
 158         { KEYC_DC,                  0, MODEKEYEDIT_DELETE },
 159         { KEYC_DOWN,                0, MODEKEYEDIT_HISTORYDOWN },
 160         { KEYC_LEFT,                0, MODEKEYEDIT_CURSORLEFT },
 161         { KEYC_RIGHT,               0, MODEKEYEDIT_CURSORRIGHT },
 162         { KEYC_UP,                  0, MODEKEYEDIT_HISTORYUP },
 163         { KEYC_HOME,                0, MODEKEYEDIT_STARTOFLINE },
 164         { KEYC_END,                 0, MODEKEYEDIT_ENDOFLINE },
 165
 166         { '$',                      1, MODEKEYEDIT_ENDOFLINE },
 167         { '0',                      1, MODEKEYEDIT_STARTOFLINE },
 168         { 'A',                      1, MODEKEYEDIT_SWITCHMODEAPPENDLINE },
 169         { 'B',                      1, MODEKEYEDIT_PREVIOUSSPACE },
 170         { 'C',                      1, MODEKEYEDIT_SWITCHMODECHANGELINE },
 171         { 'D',                      1, MODEKEYEDIT_DELETETOENDOFLINE },
 172         { 'E',                      1, MODEKEYEDIT_NEXTSPACEEND },
 173         { 'I',                      1, MODEKEYEDIT_SWITCHMODEBEGINLINE },
 174         { 'S',                      1, MODEKEYEDIT_SWITCHMODESUBSTITUTELINE },
 175         { 'W',                      1, MODEKEYEDIT_NEXTSPACE },
 176         { 'X',                      1, MODEKEYEDIT_BACKSPACE },
 177         { '\003' /* C-c */,         1, MODEKEYEDIT_CANCEL },
 178         { '\010' /* C-h */,         1, MODEKEYEDIT_BACKSPACE },
 179         { '\r',                     1, MODEKEYEDIT_ENTER },
 180         { '^',                      1, MODEKEYEDIT_STARTOFLINE },
 181         { 'a',                      1, MODEKEYEDIT_SWITCHMODEAPPEND },
 182         { 'b',                      1, MODEKEYEDIT_PREVIOUSWORD },
 183         { 'd',                      1, MODEKEYEDIT_DELETELINE },
 184         { 'e',                      1, MODEKEYEDIT_NEXTWORDEND },
 185         { 'h',                      1, MODEKEYEDIT_CURSORLEFT },
 186         { 'i',                      1, MODEKEYEDIT_SWITCHMODE },
 187         { 'j',                      1, MODEKEYEDIT_HISTORYDOWN },
 188         { 'k',                      1, MODEKEYEDIT_HISTORYUP },
 189         { 'l',                      1, MODEKEYEDIT_CURSORRIGHT },
 190         { 'p',                      1, MODEKEYEDIT_PASTE },
 191         { 's',                      1, MODEKEYEDIT_SWITCHMODESUBSTITUTE },
 192         { 'w',                      1, MODEKEYEDIT_NEXTWORD },
 193         { 'x',                      1, MODEKEYEDIT_DELETE },
 194         { KEYC_BSPACE,              1, MODEKEYEDIT_BACKSPACE },
 195         { KEYC_DC,                  1, MODEKEYEDIT_DELETE },
 196         { KEYC_DOWN,                1, MODEKEYEDIT_HISTORYDOWN },
 197         { KEYC_LEFT,                1, MODEKEYEDIT_CURSORLEFT },
 198         { KEYC_RIGHT,               1, MODEKEYEDIT_CURSORRIGHT },
 199         { KEYC_UP,                  1, MODEKEYEDIT_HISTORYUP },
 200
 201         { 0,                       -1, 0 }
 202 };
 203 struct mode_key_tree mode_key_tree_vi_edit;
 204
 205 /* vi choice selection keys. */
 206 const struct mode_key_entry mode_key_vi_choice[] = {
 207         { '0' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 208         { '1' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 209         { '2' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 210         { '3' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 211         { '4' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 212         { '5' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 213         { '6' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 214         { '7' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 215         { '8' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 216         { '9' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 217         { '\002' /* C-b */,         0, MODEKEYCHOICE_PAGEUP },
 218         { '\003' /* C-c */,         0, MODEKEYCHOICE_CANCEL },
 219         { '\005' /* C-e */,         0, MODEKEYCHOICE_SCROLLDOWN },
 220         { '\006' /* C-f */,         0, MODEKEYCHOICE_PAGEDOWN },
 221         { '\031' /* C-y */,         0, MODEKEYCHOICE_SCROLLUP },
 222         { '\r',                     0, MODEKEYCHOICE_CHOOSE },
 223         { 'j',                      0, MODEKEYCHOICE_DOWN },
 224         { 'k',                      0, MODEKEYCHOICE_UP },
 225         { 'q',                      0, MODEKEYCHOICE_CANCEL },
 226         { KEYC_BSPACE,              0, MODEKEYCHOICE_BACKSPACE },
 227         { KEYC_DOWN | KEYC_CTRL,    0, MODEKEYCHOICE_SCROLLDOWN },
 228         { KEYC_DOWN,                0, MODEKEYCHOICE_DOWN },
 229         { KEYC_NPAGE,               0, MODEKEYCHOICE_PAGEDOWN },
 230         { KEYC_PPAGE,               0, MODEKEYCHOICE_PAGEUP },
 231         { KEYC_UP | KEYC_CTRL,      0, MODEKEYCHOICE_SCROLLUP },
 232         { KEYC_UP,                  0, MODEKEYCHOICE_UP },
 233         { ' ',                      0, MODEKEYCHOICE_TREE_TOGGLE },
 234         { KEYC_LEFT,                0, MODEKEYCHOICE_TREE_COLLAPSE },
 235         { KEYC_RIGHT,               0, MODEKEYCHOICE_TREE_EXPAND },
 236         { KEYC_LEFT | KEYC_CTRL,    0, MODEKEYCHOICE_TREE_COLLAPSE_ALL },
 237         { KEYC_RIGHT | KEYC_CTRL,   0, MODEKEYCHOICE_TREE_EXPAND_ALL },
 238
 239         { 0,                       -1, 0 }
 240 };
 241 struct mode_key_tree mode_key_tree_vi_choice;
 242
 243 /* vi copy mode keys. */
 244 const struct mode_key_entry mode_key_vi_copy[] = {
 245         { ' ',                      0, MODEKEYCOPY_STARTSELECTION },
 246         { '$',                      0, MODEKEYCOPY_ENDOFLINE },
 247         { ',',                      0, MODEKEYCOPY_JUMPREVERSE },
 248         { ';',                      0, MODEKEYCOPY_JUMPAGAIN },
 249         { '/',                      0, MODEKEYCOPY_SEARCHDOWN },
 250         { '0',                      0, MODEKEYCOPY_STARTOFLINE },
 251         { '1',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
 252         { '2',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
 253         { '3',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
 254         { '4',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
 255         { '5',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
 256         { '6',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
 257         { '7',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
 258         { '8',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
 259         { '9',                      0, MODEKEYCOPY_STARTNUMBERPREFIX },
 260         { ':',                      0, MODEKEYCOPY_GOTOLINE },
 261         { '?',                      0, MODEKEYCOPY_SEARCHUP },
 262         { 'B',                      0, MODEKEYCOPY_PREVIOUSSPACE },
 263         { 'D',                      0, MODEKEYCOPY_COPYENDOFLINE },
 264         { 'E',                      0, MODEKEYCOPY_NEXTSPACEEND },
 265         { 'F',                      0, MODEKEYCOPY_JUMPBACK },
 266         { 'G',                      0, MODEKEYCOPY_HISTORYBOTTOM },
 267         { 'H',                      0, MODEKEYCOPY_TOPLINE },
 268         { 'J',                      0, MODEKEYCOPY_SCROLLDOWN },
 269         { 'K',                      0, MODEKEYCOPY_SCROLLUP },
 270         { 'L',                      0, MODEKEYCOPY_BOTTOMLINE },
 271         { 'M',                      0, MODEKEYCOPY_MIDDLELINE },
 272         { 'N',                      0, MODEKEYCOPY_SEARCHREVERSE },
 273         { 'T',                      0, MODEKEYCOPY_JUMPTOBACK },
 274         { 'W',                      0, MODEKEYCOPY_NEXTSPACE },
 275         { '\002' /* C-b */,         0, MODEKEYCOPY_PREVIOUSPAGE },
 276         { '\003' /* C-c */,         0, MODEKEYCOPY_CANCEL },
 277         { '\004' /* C-d */,         0, MODEKEYCOPY_HALFPAGEDOWN },
 278         { '\005' /* C-e */,         0, MODEKEYCOPY_SCROLLDOWN },
 279         { '\006' /* C-f */,         0, MODEKEYCOPY_NEXTPAGE },
 280         { '\010' /* C-h */,         0, MODEKEYCOPY_LEFT },
 281         { '\025' /* C-u */,         0, MODEKEYCOPY_HALFPAGEUP },
 282         { '\031' /* C-y */,         0, MODEKEYCOPY_SCROLLUP },
 283         { '\033' /* Escape */,      0, MODEKEYCOPY_CLEARSELECTION },
 284         { '\r',                     0, MODEKEYCOPY_COPYSELECTION },
 285         { '^',                      0, MODEKEYCOPY_BACKTOINDENTATION },
 286         { 'b',                      0, MODEKEYCOPY_PREVIOUSWORD },
 287         { 'e',                      0, MODEKEYCOPY_NEXTWORDEND },
 288         { 'f',                      0, MODEKEYCOPY_JUMP },
 289         { 'g',                      0, MODEKEYCOPY_HISTORYTOP },
 290         { 'h',                      0, MODEKEYCOPY_LEFT },
 291         { 'j',                      0, MODEKEYCOPY_DOWN },
 292         { 'k',                      0, MODEKEYCOPY_UP },
 293         { 'l',                      0, MODEKEYCOPY_RIGHT },
 294         { 'n',                      0, MODEKEYCOPY_SEARCHAGAIN },
 295         { 'o',                      0, MODEKEYCOPY_OTHEREND },
 296         { 't',                      0, MODEKEYCOPY_JUMPTO },
 297         { 'q',                      0, MODEKEYCOPY_CANCEL },
 298         { 'v',                      0, MODEKEYCOPY_RECTANGLETOGGLE },
 299         { 'w',                      0, MODEKEYCOPY_NEXTWORD },
 300         { KEYC_BSPACE,              0, MODEKEYCOPY_LEFT },
 301         { KEYC_DOWN | KEYC_CTRL,    0, MODEKEYCOPY_SCROLLDOWN },
 302         { KEYC_DOWN,                0, MODEKEYCOPY_DOWN },
 303         { KEYC_LEFT,                0, MODEKEYCOPY_LEFT },
 304         { KEYC_NPAGE,               0, MODEKEYCOPY_NEXTPAGE },
 305         { KEYC_PPAGE,               0, MODEKEYCOPY_PREVIOUSPAGE },
 306         { KEYC_RIGHT,               0, MODEKEYCOPY_RIGHT },
 307         { KEYC_UP | KEYC_CTRL,      0, MODEKEYCOPY_SCROLLUP },
 308         { KEYC_UP,                  0, MODEKEYCOPY_UP },
 309
 310         { 0,                       -1, 0 }
 311 };
 312 struct mode_key_tree mode_key_tree_vi_copy;
 313
 314 /* emacs editing keys. */
 315 const struct mode_key_entry mode_key_emacs_edit[] = {
 316         { '\001' /* C-a */,         0, MODEKEYEDIT_STARTOFLINE },
 317         { '\002' /* C-b */,         0, MODEKEYEDIT_CURSORLEFT },
 318         { '\003' /* C-c */,         0, MODEKEYEDIT_CANCEL },
 319         { '\004' /* C-d */,         0, MODEKEYEDIT_DELETE },
 320         { '\005' /* C-e */,         0, MODEKEYEDIT_ENDOFLINE },
 321         { '\006' /* C-f */,         0, MODEKEYEDIT_CURSORRIGHT },
 322         { '\010' /* C-H */,         0, MODEKEYEDIT_BACKSPACE },
 323         { '\011' /* Tab */,         0, MODEKEYEDIT_COMPLETE },
 324         { '\013' /* C-k */,         0, MODEKEYEDIT_DELETETOENDOFLINE },
 325         { '\016' /* C-n */,         0, MODEKEYEDIT_HISTORYDOWN },
 326         { '\020' /* C-p */,         0, MODEKEYEDIT_HISTORYUP },
 327         { '\024' /* C-t */,         0, MODEKEYEDIT_TRANSPOSECHARS },
 328         { '\025' /* C-u */,         0, MODEKEYEDIT_DELETELINE },
 329         { '\027' /* C-w */,         0, MODEKEYEDIT_DELETEWORD },
 330         { '\031' /* C-y */,         0, MODEKEYEDIT_PASTE },
 331         { '\033' /* Escape */,      0, MODEKEYEDIT_CANCEL },
 332         { '\r',                     0, MODEKEYEDIT_ENTER },
 333         { 'b' | KEYC_ESCAPE,        0, MODEKEYEDIT_PREVIOUSWORD },
 334         { 'f' | KEYC_ESCAPE,        0, MODEKEYEDIT_NEXTWORDEND },
 335         { 'm' | KEYC_ESCAPE,        0, MODEKEYEDIT_STARTOFLINE },
 336         { KEYC_BSPACE,              0, MODEKEYEDIT_BACKSPACE },
 337         { KEYC_DC,                  0, MODEKEYEDIT_DELETE },
 338         { KEYC_DOWN,                0, MODEKEYEDIT_HISTORYDOWN },
 339         { KEYC_LEFT,                0, MODEKEYEDIT_CURSORLEFT },
 340         { KEYC_RIGHT,               0, MODEKEYEDIT_CURSORRIGHT },
 341         { KEYC_UP,                  0, MODEKEYEDIT_HISTORYUP },
 342         { KEYC_HOME,                0, MODEKEYEDIT_STARTOFLINE },
 343         { KEYC_END,                 0, MODEKEYEDIT_ENDOFLINE },
 344
 345         { 0,                       -1, 0 }
 346 };
 347 struct mode_key_tree mode_key_tree_emacs_edit;
 348
 349 /* emacs choice selection keys. */
 350 const struct mode_key_entry mode_key_emacs_choice[] = {
 351         { '0' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 352         { '1' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 353         { '2' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 354         { '3' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 355         { '4' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 356         { '5' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 357         { '6' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 358         { '7' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 359         { '8' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 360         { '9' | KEYC_ESCAPE,        0, MODEKEYCHOICE_STARTNUMBERPREFIX },
 361         { '\003' /* C-c */,         0, MODEKEYCHOICE_CANCEL },
 362         { '\016' /* C-n */,         0, MODEKEYCHOICE_DOWN },
 363         { '\020' /* C-p */,         0, MODEKEYCHOICE_UP },
 364         { '\026' /* C-v */,         0, MODEKEYCHOICE_PAGEDOWN },
 365         { '\033' /* Escape */,      0, MODEKEYCHOICE_CANCEL },
 366         { '\r',                     0, MODEKEYCHOICE_CHOOSE },
 367         { 'q',                      0, MODEKEYCHOICE_CANCEL },
 368         { 'v' | KEYC_ESCAPE,        0, MODEKEYCHOICE_PAGEUP },
 369         { KEYC_BSPACE,              0, MODEKEYCHOICE_BACKSPACE },
 370         { KEYC_DOWN | KEYC_CTRL,    0, MODEKEYCHOICE_SCROLLDOWN },
 371         { KEYC_DOWN,                0, MODEKEYCHOICE_DOWN },
 372         { KEYC_NPAGE,               0, MODEKEYCHOICE_PAGEDOWN },
 373         { KEYC_PPAGE,               0, MODEKEYCHOICE_PAGEUP },
 374         { KEYC_UP | KEYC_CTRL,      0, MODEKEYCHOICE_SCROLLUP },
 375         { KEYC_UP,                  0, MODEKEYCHOICE_UP },
 376         { ' ',                      0, MODEKEYCHOICE_TREE_TOGGLE },
 377         { KEYC_LEFT,                0, MODEKEYCHOICE_TREE_COLLAPSE },
 378         { KEYC_RIGHT,               0, MODEKEYCHOICE_TREE_EXPAND },
 379         { KEYC_LEFT | KEYC_CTRL,    0, MODEKEYCHOICE_TREE_COLLAPSE_ALL },
 380         { KEYC_RIGHT | KEYC_CTRL,   0, MODEKEYCHOICE_TREE_EXPAND_ALL },
 381
 382         { 0,                       -1, 0 }
 383 };
 384 struct mode_key_tree mode_key_tree_emacs_choice;
 385
 386 /* emacs copy mode keys. */
 387 const struct mode_key_entry mode_key_emacs_copy[] = {
 388         { ' ',                      0, MODEKEYCOPY_NEXTPAGE },
 389         { ',',                      0, MODEKEYCOPY_JUMPREVERSE },
 390         { ';',                      0, MODEKEYCOPY_JUMPAGAIN },
 391         { '1' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
 392         { '2' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
 393         { '3' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
 394         { '4' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
 395         { '5' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
 396         { '6' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
 397         { '7' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
 398         { '8' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
 399         { '9' | KEYC_ESCAPE,        0, MODEKEYCOPY_STARTNUMBERPREFIX },
 400         { '<' | KEYC_ESCAPE,        0, MODEKEYCOPY_HISTORYTOP },
 401         { '>' | KEYC_ESCAPE,        0, MODEKEYCOPY_HISTORYBOTTOM },
 402         { 'F',                      0, MODEKEYCOPY_JUMPBACK },
 403         { 'N',                      0, MODEKEYCOPY_SEARCHREVERSE },
 404         { 'R' | KEYC_ESCAPE,        0, MODEKEYCOPY_TOPLINE },
 405         { 'R',                      0, MODEKEYCOPY_RECTANGLETOGGLE },
 406         { 'T',                      0, MODEKEYCOPY_JUMPTOBACK },
 407         { '\000' /* C-Space */,     0, MODEKEYCOPY_STARTSELECTION },
 408         { '\001' /* C-a */,         0, MODEKEYCOPY_STARTOFLINE },
 409         { '\002' /* C-b */,         0, MODEKEYCOPY_LEFT },
 410         { '\003' /* C-c */,         0, MODEKEYCOPY_CANCEL },
 411         { '\005' /* C-e */,         0, MODEKEYCOPY_ENDOFLINE },
 412         { '\006' /* C-f */,         0, MODEKEYCOPY_RIGHT },
 413         { '\007' /* C-g */,         0, MODEKEYCOPY_CLEARSELECTION },
 414         { '\013' /* C-k */,         0, MODEKEYCOPY_COPYENDOFLINE },
 415         { '\016' /* C-n */,         0, MODEKEYCOPY_DOWN },
 416         { '\020' /* C-p */,         0, MODEKEYCOPY_UP },
 417         { '\022' /* C-r */,         0, MODEKEYCOPY_SEARCHUP },
 418         { '\023' /* C-s */,         0, MODEKEYCOPY_SEARCHDOWN },
 419         { '\026' /* C-v */,         0, MODEKEYCOPY_NEXTPAGE },
 420         { '\027' /* C-w */,         0, MODEKEYCOPY_COPYSELECTION },
 421         { '\033' /* Escape */,      0, MODEKEYCOPY_CANCEL },
 422         { 'b' | KEYC_ESCAPE,        0, MODEKEYCOPY_PREVIOUSWORD },
 423         { 'f',                      0, MODEKEYCOPY_JUMP },
 424         { 'f' | KEYC_ESCAPE,        0, MODEKEYCOPY_NEXTWORDEND },
 425         { 'g',                      0, MODEKEYCOPY_GOTOLINE },
 426         { 'm' | KEYC_ESCAPE,        0, MODEKEYCOPY_BACKTOINDENTATION },
 427         { 'n',                      0, MODEKEYCOPY_SEARCHAGAIN },
 428         { 'q',                      0, MODEKEYCOPY_CANCEL },
 429         { 'r' | KEYC_ESCAPE,        0, MODEKEYCOPY_MIDDLELINE },
 430         { 't',                      0, MODEKEYCOPY_JUMPTO },
 431         { 'v' | KEYC_ESCAPE,        0, MODEKEYCOPY_PREVIOUSPAGE },
 432         { 'w' | KEYC_ESCAPE,        0, MODEKEYCOPY_COPYSELECTION },
 433         { KEYC_DOWN | KEYC_CTRL,    0, MODEKEYCOPY_SCROLLDOWN },
 434         { KEYC_DOWN | KEYC_ESCAPE,  0, MODEKEYCOPY_HALFPAGEDOWN },
 435         { KEYC_DOWN,                0, MODEKEYCOPY_DOWN },
 436         { KEYC_LEFT,                0, MODEKEYCOPY_LEFT },
 437         { KEYC_NPAGE,               0, MODEKEYCOPY_NEXTPAGE },
 438         { KEYC_PPAGE,               0, MODEKEYCOPY_PREVIOUSPAGE },
 439         { KEYC_RIGHT,               0, MODEKEYCOPY_RIGHT },
 440         { KEYC_UP | KEYC_CTRL,      0, MODEKEYCOPY_SCROLLUP },
 441         { KEYC_UP | KEYC_ESCAPE,    0, MODEKEYCOPY_HALFPAGEUP },
 442         { KEYC_UP,                  0, MODEKEYCOPY_UP },
 443
 444         { 0,                       -1, 0 }
 445 };
 446 struct mode_key_tree mode_key_tree_emacs_copy;
 447
 448 /* Table mapping key table names to default settings and trees. */
 449 const struct mode_key_table mode_key_tables[] = {
 450         { "vi-edit", mode_key_cmdstr_edit,
 451           &mode_key_tree_vi_edit, mode_key_vi_edit },
 452         { "vi-choice", mode_key_cmdstr_choice,
 453           &mode_key_tree_vi_choice, mode_key_vi_choice },
 454         { "vi-copy", mode_key_cmdstr_copy,
 455           &mode_key_tree_vi_copy, mode_key_vi_copy },
 456         { "emacs-edit", mode_key_cmdstr_edit,
 457           &mode_key_tree_emacs_edit, mode_key_emacs_edit },
 458         { "emacs-choice", mode_key_cmdstr_choice,
 459           &mode_key_tree_emacs_choice, mode_key_emacs_choice },
 460         { "emacs-copy", mode_key_cmdstr_copy,
 461           &mode_key_tree_emacs_copy, mode_key_emacs_copy },
 462
 463         { NULL, NULL, NULL, NULL }
 464 };
 465
 466 RB_GENERATE(mode_key_tree, mode_key_binding, entry, mode_key_cmp);
 467
 468 int
 469 mode_key_cmp(struct mode_key_binding *mbind1, struct mode_key_binding *mbind2)
 470 {
 471         if (mbind1->mode != mbind2->mode)
 472                 return (mbind1->mode - mbind2->mode);
 473         return (mbind1->key - mbind2->key);
 474 }
 475
 476 const char *
 477 mode_key_tostring(const struct mode_key_cmdstr *cmdstr, enum mode_key_cmd cmd)
 478 {
 479         for (; cmdstr->name != NULL; cmdstr++) {
 480                 if (cmdstr->cmd == cmd)
 481                         return (cmdstr->name);
 482         }
 483         return (NULL);
 484 }
 485
 486 enum mode_key_cmd
 487 mode_key_fromstring(const struct mode_key_cmdstr *cmdstr, const char *name)
 488 {
 489         for (; cmdstr->name != NULL; cmdstr++) {
 490                 if (strcasecmp(cmdstr->name, name) == 0)
 491                         return (cmdstr->cmd);
 492         }
 493         return (MODEKEY_NONE);
 494 }
 495
 496 const struct mode_key_table *
 497 mode_key_findtable(const char *name)
 498 {
 499         const struct mode_key_table     *mtab;
 500
 501         for (mtab = mode_key_tables; mtab->name != NULL; mtab++) {
 502                 if (strcasecmp(name, mtab->name) == 0)
 503                         return (mtab);
 504         }
 505         return (NULL);
 506 }
 507
 508 void
 509 mode_key_init_trees(void)
 510 {
 511         const struct mode_key_table     *mtab;
 512         const struct mode_key_entry     *ment;
 513         struct mode_key_binding         *mbind;
 514
 515         for (mtab = mode_key_tables; mtab->name != NULL; mtab++) {
 516                 RB_INIT(mtab->tree);
 517                 for (ment = mtab->table; ment->mode != -1; ment++) {
 518                         mbind = xmalloc(sizeof *mbind);
 519                         mbind->key = ment->key;
 520                         mbind->mode = ment->mode;
 521                         mbind->cmd = ment->cmd;
 522                         mbind->arg = NULL;
 523                         RB_INSERT(mode_key_tree, mtab->tree, mbind);
 524                 }
 525         }
 526 }
 527
 528 void
 529 mode_key_init(struct mode_key_data *mdata, struct mode_key_tree *mtree)
 530 {
 531         mdata->tree = mtree;
 532         mdata->mode = 0;
 533 }
 534
 535 enum mode_key_cmd
 536 mode_key_lookup(struct mode_key_data *mdata, int key, const char **arg)
 537 {
 538         struct mode_key_binding *mbind, mtmp;
 539
 540         mtmp.key = key;
 541         mtmp.mode = mdata->mode;
 542         if ((mbind = RB_FIND(mode_key_tree, mdata->tree, &mtmp)) == NULL) {
 543                 if (mdata->mode != 0)
 544                         return (MODEKEY_NONE);
 545                 return (MODEKEY_OTHER);
 546         }
 547
 548         switch (mbind->cmd) {
 549         case MODEKEYEDIT_SWITCHMODE:
 550         case MODEKEYEDIT_SWITCHMODEAPPEND:
 551         case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
 552         case MODEKEYEDIT_SWITCHMODEBEGINLINE:
 553         case MODEKEYEDIT_SWITCHMODECHANGELINE:
 554         case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
 555         case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
 556                 mdata->mode = 1 - mdata->mode;
 557                 /* FALLTHROUGH */
 558         default:
 559                 if (arg != NULL)
 560                         *arg = mbind->arg;
 561                 return (mbind->cmd);
 562         }
 563 }