1 /* $OpenBSD: key-bindings.c,v 1.57 2016/03/01 12:06:07 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com> 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 <ctype.h> 22 #include <stdlib.h> 23 #include <string.h> 24 25 #include "tmux.h" 26 27 RB_GENERATE(key_bindings, key_binding, entry, key_bindings_cmp); 28 RB_GENERATE(key_tables, key_table, entry, key_table_cmp); 29 struct key_tables key_tables = RB_INITIALIZER(&key_tables); 30 31 int 32 key_table_cmp(struct key_table *e1, struct key_table *e2) 33 { 34 return (strcmp(e1->name, e2->name)); 35 } 36 37 int 38 key_bindings_cmp(struct key_binding *bd1, struct key_binding *bd2) 39 { 40 if (bd1->key < bd2->key) 41 return (-1); 42 if (bd1->key > bd2->key) 43 return (1); 44 return (0); 45 } 46 47 struct key_table * 48 key_bindings_get_table(const char *name, int create) 49 { 50 struct key_table table_find, *table; 51 52 table_find.name = name; 53 table = RB_FIND(key_tables, &key_tables, &table_find); 54 if (table != NULL || !create) 55 return (table); 56 57 table = xmalloc(sizeof *table); 58 table->name = xstrdup(name); 59 RB_INIT(&table->key_bindings); 60 61 table->references = 1; /* one reference in key_tables */ 62 RB_INSERT(key_tables, &key_tables, table); 63 64 return (table); 65 } 66 67 void 68 key_bindings_unref_table(struct key_table *table) 69 { 70 struct key_binding *bd; 71 struct key_binding *bd1; 72 73 if (--table->references != 0) 74 return; 75 76 RB_FOREACH_SAFE(bd, key_bindings, &table->key_bindings, bd1) { 77 RB_REMOVE(key_bindings, &table->key_bindings, bd); 78 cmd_list_free(bd->cmdlist); 79 free(bd); 80 } 81 82 free((void *)table->name); 83 free(table); 84 } 85 86 void 87 key_bindings_add(const char *name, key_code key, int can_repeat, 88 struct cmd_list *cmdlist) 89 { 90 struct key_table *table; 91 struct key_binding bd_find, *bd; 92 93 table = key_bindings_get_table(name, 1); 94 95 bd_find.key = key; 96 bd = RB_FIND(key_bindings, &table->key_bindings, &bd_find); 97 if (bd != NULL) { 98 RB_REMOVE(key_bindings, &table->key_bindings, bd); 99 cmd_list_free(bd->cmdlist); 100 free(bd); 101 } 102 103 bd = xmalloc(sizeof *bd); 104 bd->key = key; 105 RB_INSERT(key_bindings, &table->key_bindings, bd); 106 107 bd->can_repeat = can_repeat; 108 bd->cmdlist = cmdlist; 109 } 110 111 void 112 key_bindings_remove(const char *name, key_code key) 113 { 114 struct key_table *table; 115 struct key_binding bd_find, *bd; 116 117 table = key_bindings_get_table(name, 0); 118 if (table == NULL) 119 return; 120 121 bd_find.key = key; 122 bd = RB_FIND(key_bindings, &table->key_bindings, &bd_find); 123 if (bd == NULL) 124 return; 125 126 RB_REMOVE(key_bindings, &table->key_bindings, bd); 127 cmd_list_free(bd->cmdlist); 128 free(bd); 129 130 if (RB_EMPTY(&table->key_bindings)) { 131 RB_REMOVE(key_tables, &key_tables, table); 132 key_bindings_unref_table(table); 133 } 134 } 135 136 void 137 key_bindings_remove_table(const char *name) 138 { 139 struct key_table *table; 140 141 table = key_bindings_get_table(name, 0); 142 if (table != NULL) { 143 RB_REMOVE(key_tables, &key_tables, table); 144 key_bindings_unref_table(table); 145 } 146 } 147 148 void 149 key_bindings_init(void) 150 { 151 static const char *defaults[] = { 152 "bind C-b send-prefix", 153 "bind C-o rotate-window", 154 "bind C-z suspend-client", 155 "bind Space next-layout", 156 "bind ! break-pane", 157 "bind '\"' split-window", 158 "bind '#' list-buffers", 159 "bind '$' command-prompt -I'#S' \"rename-session '%%'\"", 160 "bind % split-window -h", 161 "bind & confirm-before -p\"kill-window #W? (y/n)\" kill-window", 162 "bind \"'\" command-prompt -pindex \"select-window -t ':%%'\"", 163 "bind ( switch-client -p", 164 "bind ) switch-client -n", 165 "bind , command-prompt -I'#W' \"rename-window '%%'\"", 166 "bind - delete-buffer", 167 "bind . command-prompt \"move-window -t '%%'\"", 168 "bind 0 select-window -t:=0", 169 "bind 1 select-window -t:=1", 170 "bind 2 select-window -t:=2", 171 "bind 3 select-window -t:=3", 172 "bind 4 select-window -t:=4", 173 "bind 5 select-window -t:=5", 174 "bind 6 select-window -t:=6", 175 "bind 7 select-window -t:=7", 176 "bind 8 select-window -t:=8", 177 "bind 9 select-window -t:=9", 178 "bind : command-prompt", 179 "bind \\; last-pane", 180 "bind = choose-buffer", 181 "bind ? list-keys", 182 "bind D choose-client", 183 "bind L switch-client -l", 184 "bind M select-pane -M", 185 "bind [ copy-mode", 186 "bind ] paste-buffer", 187 "bind c new-window", 188 "bind d detach-client", 189 "bind f command-prompt \"find-window '%%'\"", 190 "bind i display-message", 191 "bind l last-window", 192 "bind m select-pane -m", 193 "bind n next-window", 194 "bind o select-pane -t:.+", 195 "bind p previous-window", 196 "bind q display-panes", 197 "bind r refresh-client", 198 "bind s choose-tree", 199 "bind t clock-mode", 200 "bind w choose-window", 201 "bind x confirm-before -p\"kill-pane #P? (y/n)\" kill-pane", 202 "bind z resize-pane -Z", 203 "bind { swap-pane -U", 204 "bind } swap-pane -D", 205 "bind '~' show-messages", 206 "bind PPage copy-mode -u", 207 "bind -r Up select-pane -U", 208 "bind -r Down select-pane -D", 209 "bind -r Left select-pane -L", 210 "bind -r Right select-pane -R", 211 "bind M-1 select-layout even-horizontal", 212 "bind M-2 select-layout even-vertical", 213 "bind M-3 select-layout main-horizontal", 214 "bind M-4 select-layout main-vertical", 215 "bind M-5 select-layout tiled", 216 "bind M-n next-window -a", 217 "bind M-o rotate-window -D", 218 "bind M-p previous-window -a", 219 "bind -r M-Up resize-pane -U 5", 220 "bind -r M-Down resize-pane -D 5", 221 "bind -r M-Left resize-pane -L 5", 222 "bind -r M-Right resize-pane -R 5", 223 "bind -r C-Up resize-pane -U", 224 "bind -r C-Down resize-pane -D", 225 "bind -r C-Left resize-pane -L", 226 "bind -r C-Right resize-pane -R", 227 "bind -n MouseDown1Pane select-pane -t=\\; send-keys -M", 228 "bind -n MouseDrag1Border resize-pane -M", 229 "bind -n MouseDown1Status select-window -t=", 230 "bind -n WheelDownStatus next-window", 231 "bind -n WheelUpStatus previous-window", 232 "bind -n MouseDrag1Pane if -Ft= '#{mouse_any_flag}' 'if -Ft= \"#{pane_in_mode}\" \"copy-mode -M\" \"send-keys -M\"' 'copy-mode -M'", 233 "bind -n MouseDown3Pane if-shell -Ft= '#{mouse_any_flag}' 'select-pane -t=; send-keys -M' 'select-pane -mt='", 234 "bind -n WheelUpPane if-shell -Ft= '#{mouse_any_flag}' 'send-keys -M' 'if -Ft= \"#{pane_in_mode}\" \"send-keys -M\" \"copy-mode -et=\"'", 235 }; 236 u_int i; 237 struct cmd_list *cmdlist; 238 char *cause; 239 int error; 240 struct cmd_q *cmdq; 241 242 cmdq = cmdq_new(NULL); 243 for (i = 0; i < nitems(defaults); i++) { 244 error = cmd_string_parse(defaults[i], &cmdlist, 245 "<default-keys>", i, &cause); 246 if (error != 0) 247 fatalx("bad default key"); 248 cmdq_run(cmdq, cmdlist, NULL); 249 cmd_list_free(cmdlist); 250 } 251 cmdq_free(cmdq); 252 } 253 254 void 255 key_bindings_dispatch(struct key_binding *bd, struct client *c, 256 struct mouse_event *m) 257 { 258 struct cmd *cmd; 259 int readonly; 260 261 readonly = 1; 262 TAILQ_FOREACH(cmd, &bd->cmdlist->list, qentry) { 263 if (!(cmd->entry->flags & CMD_READONLY)) 264 readonly = 0; 265 } 266 if (!readonly && (c->flags & CLIENT_READONLY)) { 267 cmdq_error(c->cmdq, "client is read-only"); 268 return; 269 } 270 271 cmdq_run(c->cmdq, bd->cmdlist, m); 272 } 273