1 /* $OpenBSD: key-bindings.c,v 1.12 2009/10/06 07:19:32 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 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 <ctype.h> 22 #include <stdlib.h> 23 #include <string.h> 24 25 #include "tmux.h" 26 27 SPLAY_GENERATE(key_bindings, key_binding, entry, key_bindings_cmp); 28 29 struct key_bindings key_bindings; 30 struct key_bindings dead_key_bindings; 31 32 int 33 key_bindings_cmp(struct key_binding *bd1, struct key_binding *bd2) 34 { 35 int key1, key2; 36 37 key1 = bd1->key & ~KEYC_PREFIX; 38 key2 = bd2->key & ~KEYC_PREFIX; 39 if (key1 != key2) 40 return (key1 - key2); 41 42 if (bd1->key & KEYC_PREFIX && !(bd2->key & KEYC_PREFIX)) 43 return (-1); 44 if (bd2->key & KEYC_PREFIX && !(bd1->key & KEYC_PREFIX)) 45 return (1); 46 return (0); 47 } 48 49 struct key_binding * 50 key_bindings_lookup(int key) 51 { 52 struct key_binding bd; 53 54 bd.key = key; 55 return (SPLAY_FIND(key_bindings, &key_bindings, &bd)); 56 } 57 58 void 59 key_bindings_add(int key, int can_repeat, struct cmd_list *cmdlist) 60 { 61 struct key_binding *bd; 62 63 key_bindings_remove(key); 64 65 bd = xmalloc(sizeof *bd); 66 bd->key = key; 67 SPLAY_INSERT(key_bindings, &key_bindings, bd); 68 69 bd->can_repeat = can_repeat; 70 bd->cmdlist = cmdlist; 71 } 72 73 void 74 key_bindings_remove(int key) 75 { 76 struct key_binding *bd; 77 78 if ((bd = key_bindings_lookup(key)) == NULL) 79 return; 80 SPLAY_REMOVE(key_bindings, &key_bindings, bd); 81 SPLAY_INSERT(key_bindings, &dead_key_bindings, bd); 82 } 83 84 void 85 key_bindings_clean(void) 86 { 87 struct key_binding *bd; 88 89 while (!SPLAY_EMPTY(&dead_key_bindings)) { 90 bd = SPLAY_ROOT(&dead_key_bindings); 91 SPLAY_REMOVE(key_bindings, &dead_key_bindings, bd); 92 cmd_list_free(bd->cmdlist); 93 xfree(bd); 94 } 95 } 96 97 void 98 key_bindings_init(void) 99 { 100 static const struct { 101 int key; 102 int can_repeat; 103 const struct cmd_entry *entry; 104 } table[] = { 105 { ' ', 0, &cmd_next_layout_entry }, 106 { '!', 0, &cmd_break_pane_entry }, 107 { '"', 0, &cmd_split_window_entry }, 108 { '%', 0, &cmd_split_window_entry }, 109 { '#', 0, &cmd_list_buffers_entry }, 110 { '&', 0, &cmd_confirm_before_entry }, 111 { ',', 0, &cmd_command_prompt_entry }, 112 { '-', 0, &cmd_delete_buffer_entry }, 113 { '.', 0, &cmd_command_prompt_entry }, 114 { '0', 0, &cmd_select_window_entry }, 115 { '1', 0, &cmd_select_window_entry }, 116 { '2', 0, &cmd_select_window_entry }, 117 { '3', 0, &cmd_select_window_entry }, 118 { '4', 0, &cmd_select_window_entry }, 119 { '5', 0, &cmd_select_window_entry }, 120 { '6', 0, &cmd_select_window_entry }, 121 { '7', 0, &cmd_select_window_entry }, 122 { '8', 0, &cmd_select_window_entry }, 123 { '9', 0, &cmd_select_window_entry }, 124 { ':', 0, &cmd_command_prompt_entry }, 125 { '?', 0, &cmd_list_keys_entry }, 126 { '[', 0, &cmd_copy_mode_entry }, 127 { '\'', 0, &cmd_select_prompt_entry }, 128 { '\032', /* C-z */ 0, &cmd_suspend_client_entry }, 129 { ']', 0, &cmd_paste_buffer_entry }, 130 { 'c', 0, &cmd_new_window_entry }, 131 { 'd', 0, &cmd_detach_client_entry }, 132 { 'D', 0, &cmd_choose_client_entry }, 133 { 'f', 0, &cmd_command_prompt_entry }, 134 { 'i', 0, &cmd_display_message_entry }, 135 { 'l', 0, &cmd_last_window_entry }, 136 { 'n', 0, &cmd_next_window_entry }, 137 { 'o', 0, &cmd_down_pane_entry }, 138 { 'p', 0, &cmd_previous_window_entry }, 139 { 'q', 0, &cmd_display_panes_entry }, 140 { 'r', 0, &cmd_refresh_client_entry }, 141 { 's', 0, &cmd_choose_session_entry }, 142 { 't', 0, &cmd_clock_mode_entry }, 143 { 'w', 0, &cmd_choose_window_entry }, 144 { 'x', 0, &cmd_confirm_before_entry }, 145 { '{', 0, &cmd_swap_pane_entry }, 146 { '}', 0, &cmd_swap_pane_entry }, 147 { '\002', /* C-b */ 0, &cmd_send_prefix_entry }, 148 { '1' | KEYC_ESCAPE, 0, &cmd_select_layout_entry }, 149 { '2' | KEYC_ESCAPE, 0, &cmd_select_layout_entry }, 150 { '3' | KEYC_ESCAPE, 0, &cmd_select_layout_entry }, 151 { '4' | KEYC_ESCAPE, 0, &cmd_select_layout_entry }, 152 { KEYC_PPAGE, 0, &cmd_copy_mode_entry }, 153 { 'n' | KEYC_ESCAPE, 0, &cmd_next_window_entry }, 154 { 'p' | KEYC_ESCAPE, 0, &cmd_previous_window_entry }, 155 { KEYC_UP, 0, &cmd_up_pane_entry }, 156 { KEYC_DOWN, 0, &cmd_down_pane_entry }, 157 { KEYC_UP | KEYC_ESCAPE, 1, &cmd_resize_pane_entry }, 158 { KEYC_DOWN | KEYC_ESCAPE, 1, &cmd_resize_pane_entry }, 159 { KEYC_LEFT | KEYC_ESCAPE, 1, &cmd_resize_pane_entry }, 160 { KEYC_RIGHT | KEYC_ESCAPE, 1, &cmd_resize_pane_entry }, 161 { KEYC_UP | KEYC_CTRL, 1, &cmd_resize_pane_entry }, 162 { KEYC_DOWN | KEYC_CTRL, 1, &cmd_resize_pane_entry }, 163 { KEYC_LEFT | KEYC_CTRL, 1, &cmd_resize_pane_entry }, 164 { KEYC_RIGHT | KEYC_CTRL, 1, &cmd_resize_pane_entry }, 165 { 'o' | KEYC_ESCAPE, 0, &cmd_rotate_window_entry }, 166 { '\017', /* C-o */ 0, &cmd_rotate_window_entry }, 167 }; 168 u_int i; 169 struct cmd *cmd; 170 struct cmd_list *cmdlist; 171 172 SPLAY_INIT(&key_bindings); 173 174 for (i = 0; i < nitems(table); i++) { 175 cmdlist = xmalloc(sizeof *cmdlist); 176 TAILQ_INIT(cmdlist); 177 178 cmd = xmalloc(sizeof *cmd); 179 cmd->entry = table[i].entry; 180 cmd->data = NULL; 181 if (cmd->entry->init != NULL) 182 cmd->entry->init(cmd, table[i].key); 183 TAILQ_INSERT_HEAD(cmdlist, cmd, qentry); 184 185 key_bindings_add( 186 table[i].key | KEYC_PREFIX, table[i].can_repeat, cmdlist); 187 } 188 } 189 190 void 191 key_bindings_free(void) 192 { 193 struct key_binding *bd; 194 195 key_bindings_clean(); 196 while (!SPLAY_EMPTY(&key_bindings)) { 197 bd = SPLAY_ROOT(&key_bindings); 198 SPLAY_REMOVE(key_bindings, &key_bindings, bd); 199 cmd_list_free(bd->cmdlist); 200 xfree(bd); 201 } 202 } 203 204 void printflike2 205 key_bindings_error(struct cmd_ctx *ctx, const char *fmt, ...) 206 { 207 va_list ap; 208 char *msg; 209 210 va_start(ap, fmt); 211 xvasprintf(&msg, fmt, ap); 212 va_end(ap); 213 214 *msg = toupper((u_char) *msg); 215 status_message_set(ctx->curclient, "%s", msg); 216 xfree(msg); 217 } 218 219 void printflike2 220 key_bindings_print(struct cmd_ctx *ctx, const char *fmt, ...) 221 { 222 struct winlink *wl = ctx->curclient->session->curw; 223 va_list ap; 224 225 if (wl->window->active->mode != &window_more_mode) 226 window_pane_reset_mode(wl->window->active); 227 window_pane_set_mode(wl->window->active, &window_more_mode); 228 229 va_start(ap, fmt); 230 window_more_vadd(wl->window->active, fmt, ap); 231 va_end(ap); 232 } 233 234 void printflike2 235 key_bindings_info(struct cmd_ctx *ctx, const char *fmt, ...) 236 { 237 va_list ap; 238 char *msg; 239 240 if (be_quiet) 241 return; 242 243 va_start(ap, fmt); 244 xvasprintf(&msg, fmt, ap); 245 va_end(ap); 246 247 *msg = toupper((u_char) *msg); 248 status_message_set(ctx->curclient, "%s", msg); 249 xfree(msg); 250 } 251 252 void 253 key_bindings_dispatch(struct key_binding *bd, struct client *c) 254 { 255 struct cmd_ctx ctx; 256 257 ctx.msgdata = NULL; 258 ctx.curclient = c; 259 260 ctx.error = key_bindings_error; 261 ctx.print = key_bindings_print; 262 ctx.info = key_bindings_info; 263 264 ctx.cmdclient = NULL; 265 266 cmd_list_exec(bd->cmdlist, &ctx); 267 } 268