1 /* $OpenBSD: key-bindings.c,v 1.41 2014/05/14 06:21:19 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 RB_GENERATE(key_bindings, key_binding, entry, key_bindings_cmp); 28 29 struct key_bindings key_bindings; 30 31 int 32 key_bindings_cmp(struct key_binding *bd1, struct key_binding *bd2) 33 { 34 int key1, key2; 35 36 key1 = bd1->key & ~KEYC_PREFIX; 37 key2 = bd2->key & ~KEYC_PREFIX; 38 if (key1 != key2) 39 return (key1 - key2); 40 41 if (bd1->key & KEYC_PREFIX && !(bd2->key & KEYC_PREFIX)) 42 return (-1); 43 if (bd2->key & KEYC_PREFIX && !(bd1->key & KEYC_PREFIX)) 44 return (1); 45 return (0); 46 } 47 48 struct key_binding * 49 key_bindings_lookup(int key) 50 { 51 struct key_binding bd; 52 53 bd.key = key; 54 return (RB_FIND(key_bindings, &key_bindings, &bd)); 55 } 56 57 void 58 key_bindings_add(int key, int can_repeat, struct cmd_list *cmdlist) 59 { 60 struct key_binding *bd; 61 62 key_bindings_remove(key); 63 64 bd = xmalloc(sizeof *bd); 65 bd->key = key; 66 RB_INSERT(key_bindings, &key_bindings, bd); 67 68 bd->can_repeat = can_repeat; 69 bd->cmdlist = cmdlist; 70 } 71 72 void 73 key_bindings_remove(int key) 74 { 75 struct key_binding *bd; 76 77 if ((bd = key_bindings_lookup(key)) == NULL) 78 return; 79 RB_REMOVE(key_bindings, &key_bindings, bd); 80 cmd_list_free(bd->cmdlist); 81 free(bd); 82 } 83 84 void 85 key_bindings_init(void) 86 { 87 static const struct { 88 int key; 89 int can_repeat; 90 const struct cmd_entry *entry; 91 } table[] = { 92 { ' ', 0, &cmd_next_layout_entry }, 93 { '!', 0, &cmd_break_pane_entry }, 94 { '"', 0, &cmd_split_window_entry }, 95 { '#', 0, &cmd_list_buffers_entry }, 96 { '$', 0, &cmd_command_prompt_entry }, 97 { '%', 0, &cmd_split_window_entry }, 98 { '&', 0, &cmd_confirm_before_entry }, 99 { '(', 0, &cmd_switch_client_entry }, 100 { ')', 0, &cmd_switch_client_entry }, 101 { ',', 0, &cmd_command_prompt_entry }, 102 { '-', 0, &cmd_delete_buffer_entry }, 103 { '.', 0, &cmd_command_prompt_entry }, 104 { '0', 0, &cmd_select_window_entry }, 105 { '1', 0, &cmd_select_window_entry }, 106 { '2', 0, &cmd_select_window_entry }, 107 { '3', 0, &cmd_select_window_entry }, 108 { '4', 0, &cmd_select_window_entry }, 109 { '5', 0, &cmd_select_window_entry }, 110 { '6', 0, &cmd_select_window_entry }, 111 { '7', 0, &cmd_select_window_entry }, 112 { '8', 0, &cmd_select_window_entry }, 113 { '9', 0, &cmd_select_window_entry }, 114 { ':', 0, &cmd_command_prompt_entry }, 115 { ';', 0, &cmd_last_pane_entry }, 116 { '=', 0, &cmd_choose_buffer_entry }, 117 { '?', 0, &cmd_list_keys_entry }, 118 { 'D', 0, &cmd_choose_client_entry }, 119 { 'L', 0, &cmd_switch_client_entry }, 120 { '[', 0, &cmd_copy_mode_entry }, 121 { '\'', 0, &cmd_command_prompt_entry }, 122 { '\002', /* C-b */ 0, &cmd_send_prefix_entry }, 123 { '\017', /* C-o */ 0, &cmd_rotate_window_entry }, 124 { '\032', /* C-z */ 0, &cmd_suspend_client_entry }, 125 { ']', 0, &cmd_paste_buffer_entry }, 126 { 'c', 0, &cmd_new_window_entry }, 127 { 'd', 0, &cmd_detach_client_entry }, 128 { 'f', 0, &cmd_command_prompt_entry }, 129 { 'i', 0, &cmd_display_message_entry }, 130 { 'l', 0, &cmd_last_window_entry }, 131 { 'n', 0, &cmd_next_window_entry }, 132 { 'o', 0, &cmd_select_pane_entry }, 133 { 'p', 0, &cmd_previous_window_entry }, 134 { 'q', 0, &cmd_display_panes_entry }, 135 { 'r', 0, &cmd_refresh_client_entry }, 136 { 's', 0, &cmd_choose_tree_entry }, 137 { 't', 0, &cmd_clock_mode_entry }, 138 { 'w', 0, &cmd_choose_window_entry }, 139 { 'x', 0, &cmd_confirm_before_entry }, 140 { 'z', 0, &cmd_resize_pane_entry }, 141 { '{', 0, &cmd_swap_pane_entry }, 142 { '}', 0, &cmd_swap_pane_entry }, 143 { '~', 0, &cmd_show_messages_entry }, 144 { '1' | KEYC_ESCAPE, 0, &cmd_select_layout_entry }, 145 { '2' | KEYC_ESCAPE, 0, &cmd_select_layout_entry }, 146 { '3' | KEYC_ESCAPE, 0, &cmd_select_layout_entry }, 147 { '4' | KEYC_ESCAPE, 0, &cmd_select_layout_entry }, 148 { '5' | KEYC_ESCAPE, 0, &cmd_select_layout_entry }, 149 { KEYC_PPAGE, 0, &cmd_copy_mode_entry }, 150 { 'n' | KEYC_ESCAPE, 0, &cmd_next_window_entry }, 151 { 'o' | KEYC_ESCAPE, 0, &cmd_rotate_window_entry }, 152 { 'p' | KEYC_ESCAPE, 0, &cmd_previous_window_entry }, 153 { KEYC_UP, 1, &cmd_select_pane_entry }, 154 { KEYC_DOWN, 1, &cmd_select_pane_entry }, 155 { KEYC_LEFT, 1, &cmd_select_pane_entry }, 156 { KEYC_RIGHT, 1, &cmd_select_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 }; 166 u_int i; 167 struct cmd *cmd; 168 struct cmd_list *cmdlist; 169 170 RB_INIT(&key_bindings); 171 172 for (i = 0; i < nitems(table); i++) { 173 cmdlist = xcalloc(1, sizeof *cmdlist); 174 cmdlist->references = 1; 175 TAILQ_INIT(&cmdlist->list); 176 177 cmd = xcalloc(1, sizeof *cmd); 178 cmd->entry = table[i].entry; 179 if (cmd->entry->key_binding != NULL) 180 cmd->entry->key_binding(cmd, table[i].key); 181 else 182 cmd->args = args_create(0); 183 TAILQ_INSERT_HEAD(&cmdlist->list, 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_dispatch(struct key_binding *bd, struct client *c) 192 { 193 struct cmd *cmd; 194 int readonly; 195 196 readonly = 1; 197 TAILQ_FOREACH(cmd, &bd->cmdlist->list, qentry) { 198 if (!(cmd->entry->flags & CMD_READONLY)) 199 readonly = 0; 200 } 201 if (!readonly && (c->flags & CLIENT_READONLY)) { 202 cmdq_error(c->cmdq, "client is read-only"); 203 return; 204 } 205 206 cmdq_run(c->cmdq, bd->cmdlist); 207 } 208