Annotation of src/usr.bin/tmux/key-bindings.c, Revision 1.39
1.39 ! nicm 1: /* $OpenBSD: key-bindings.c,v 1.38 2013/03/24 09:54:10 nicm Exp $ */
1.1 nicm 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:
1.29 nicm 27: RB_GENERATE(key_bindings, key_binding, entry, key_bindings_cmp);
1.1 nicm 28:
29: struct key_bindings key_bindings;
1.2 nicm 30: struct key_bindings dead_key_bindings;
1.1 nicm 31:
32: int
33: key_bindings_cmp(struct key_binding *bd1, struct key_binding *bd2)
34: {
1.8 nicm 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);
1.1 nicm 47: }
48:
49: struct key_binding *
50: key_bindings_lookup(int key)
51: {
52: struct key_binding bd;
53:
54: bd.key = key;
1.29 nicm 55: return (RB_FIND(key_bindings, &key_bindings, &bd));
1.1 nicm 56: }
57:
58: void
59: key_bindings_add(int key, int can_repeat, struct cmd_list *cmdlist)
60: {
61: struct key_binding *bd;
62:
1.2 nicm 63: key_bindings_remove(key);
1.15 nicm 64:
1.2 nicm 65: bd = xmalloc(sizeof *bd);
66: bd->key = key;
1.29 nicm 67: RB_INSERT(key_bindings, &key_bindings, bd);
1.15 nicm 68:
1.1 nicm 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;
1.29 nicm 80: RB_REMOVE(key_bindings, &key_bindings, bd);
81: RB_INSERT(key_bindings, &dead_key_bindings, bd);
1.2 nicm 82: }
83:
84: void
85: key_bindings_clean(void)
86: {
87: struct key_binding *bd;
1.1 nicm 88:
1.29 nicm 89: while (!RB_EMPTY(&dead_key_bindings)) {
90: bd = RB_ROOT(&dead_key_bindings);
91: RB_REMOVE(key_bindings, &dead_key_bindings, bd);
1.2 nicm 92: cmd_list_free(bd->cmdlist);
1.33 nicm 93: free(bd);
1.2 nicm 94: }
1.1 nicm 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 },
1.15 nicm 107: { '"', 0, &cmd_split_window_entry },
1.14 nicm 108: { '#', 0, &cmd_list_buffers_entry },
1.28 nicm 109: { '$', 0, &cmd_command_prompt_entry },
1.15 nicm 110: { '%', 0, &cmd_split_window_entry },
1.1 nicm 111: { '&', 0, &cmd_confirm_before_entry },
1.24 nicm 112: { '(', 0, &cmd_switch_client_entry },
113: { ')', 0, &cmd_switch_client_entry },
1.1 nicm 114: { ',', 0, &cmd_command_prompt_entry },
115: { '-', 0, &cmd_delete_buffer_entry },
116: { '.', 0, &cmd_command_prompt_entry },
117: { '0', 0, &cmd_select_window_entry },
118: { '1', 0, &cmd_select_window_entry },
119: { '2', 0, &cmd_select_window_entry },
120: { '3', 0, &cmd_select_window_entry },
121: { '4', 0, &cmd_select_window_entry },
122: { '5', 0, &cmd_select_window_entry },
123: { '6', 0, &cmd_select_window_entry },
124: { '7', 0, &cmd_select_window_entry },
125: { '8', 0, &cmd_select_window_entry },
126: { '9', 0, &cmd_select_window_entry },
127: { ':', 0, &cmd_command_prompt_entry },
1.25 nicm 128: { ';', 0, &cmd_last_pane_entry },
1.22 nicm 129: { '=', 0, &cmd_choose_buffer_entry },
1.1 nicm 130: { '?', 0, &cmd_list_keys_entry },
1.14 nicm 131: { 'D', 0, &cmd_choose_client_entry },
1.26 nicm 132: { 'L', 0, &cmd_switch_client_entry },
1.1 nicm 133: { '[', 0, &cmd_copy_mode_entry },
1.21 nicm 134: { '\'', 0, &cmd_command_prompt_entry },
1.14 nicm 135: { '\002', /* C-b */ 0, &cmd_send_prefix_entry },
136: { '\017', /* C-o */ 0, &cmd_rotate_window_entry },
1.1 nicm 137: { '\032', /* C-z */ 0, &cmd_suspend_client_entry },
138: { ']', 0, &cmd_paste_buffer_entry },
139: { 'c', 0, &cmd_new_window_entry },
140: { 'd', 0, &cmd_detach_client_entry },
141: { 'f', 0, &cmd_command_prompt_entry },
1.5 nicm 142: { 'i', 0, &cmd_display_message_entry },
1.1 nicm 143: { 'l', 0, &cmd_last_window_entry },
144: { 'n', 0, &cmd_next_window_entry },
1.18 nicm 145: { 'o', 0, &cmd_select_pane_entry },
1.1 nicm 146: { 'p', 0, &cmd_previous_window_entry },
1.11 nicm 147: { 'q', 0, &cmd_display_panes_entry },
1.1 nicm 148: { 'r', 0, &cmd_refresh_client_entry },
1.32 nicm 149: { 's', 0, &cmd_choose_tree_entry },
1.1 nicm 150: { 't', 0, &cmd_clock_mode_entry },
151: { 'w', 0, &cmd_choose_window_entry },
152: { 'x', 0, &cmd_confirm_before_entry },
1.39 ! nicm 153: { 'z', 0, &cmd_resize_pane_entry },
1.1 nicm 154: { '{', 0, &cmd_swap_pane_entry },
155: { '}', 0, &cmd_swap_pane_entry },
1.14 nicm 156: { '~', 0, &cmd_show_messages_entry },
1.7 nicm 157: { '1' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
158: { '2' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
159: { '3' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
160: { '4' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
1.20 nicm 161: { '5' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
1.12 nicm 162: { KEYC_PPAGE, 0, &cmd_copy_mode_entry },
1.7 nicm 163: { 'n' | KEYC_ESCAPE, 0, &cmd_next_window_entry },
1.14 nicm 164: { 'o' | KEYC_ESCAPE, 0, &cmd_rotate_window_entry },
1.7 nicm 165: { 'p' | KEYC_ESCAPE, 0, &cmd_previous_window_entry },
1.18 nicm 166: { KEYC_UP, 1, &cmd_select_pane_entry },
167: { KEYC_DOWN, 1, &cmd_select_pane_entry },
168: { KEYC_LEFT, 1, &cmd_select_pane_entry },
169: { KEYC_RIGHT, 1, &cmd_select_pane_entry },
1.7 nicm 170: { KEYC_UP | KEYC_ESCAPE, 1, &cmd_resize_pane_entry },
171: { KEYC_DOWN | KEYC_ESCAPE, 1, &cmd_resize_pane_entry },
172: { KEYC_LEFT | KEYC_ESCAPE, 1, &cmd_resize_pane_entry },
173: { KEYC_RIGHT | KEYC_ESCAPE, 1, &cmd_resize_pane_entry },
174: { KEYC_UP | KEYC_CTRL, 1, &cmd_resize_pane_entry },
1.15 nicm 175: { KEYC_DOWN | KEYC_CTRL, 1, &cmd_resize_pane_entry },
1.7 nicm 176: { KEYC_LEFT | KEYC_CTRL, 1, &cmd_resize_pane_entry },
177: { KEYC_RIGHT | KEYC_CTRL, 1, &cmd_resize_pane_entry },
1.1 nicm 178: };
179: u_int i;
180: struct cmd *cmd;
181: struct cmd_list *cmdlist;
182:
1.29 nicm 183: RB_INIT(&key_bindings);
1.1 nicm 184:
185: for (i = 0; i < nitems(table); i++) {
1.38 nicm 186: cmdlist = xcalloc(1, sizeof *cmdlist);
187: cmdlist->references = 1;
1.23 nicm 188: TAILQ_INIT(&cmdlist->list);
1.1 nicm 189:
1.38 nicm 190: cmd = xcalloc(1, sizeof *cmd);
1.1 nicm 191: cmd->entry = table[i].entry;
1.27 nicm 192: if (cmd->entry->key_binding != NULL)
193: cmd->entry->key_binding(cmd, table[i].key);
194: else
195: cmd->args = args_create(0);
1.23 nicm 196: TAILQ_INSERT_HEAD(&cmdlist->list, cmd, qentry);
1.1 nicm 197:
1.8 nicm 198: key_bindings_add(
199: table[i].key | KEYC_PREFIX, table[i].can_repeat, cmdlist);
1.1 nicm 200: }
201: }
202:
203: void
204: key_bindings_dispatch(struct key_binding *bd, struct client *c)
205: {
1.17 nicm 206: struct cmd *cmd;
207: int readonly;
1.1 nicm 208:
1.17 nicm 209: readonly = 1;
1.23 nicm 210: TAILQ_FOREACH(cmd, &bd->cmdlist->list, qentry) {
1.17 nicm 211: if (!(cmd->entry->flags & CMD_READONLY))
212: readonly = 0;
213: }
1.38 nicm 214: if (!readonly && (c->flags & CLIENT_READONLY)) {
215: cmdq_info(c->cmdq, "client is read-only");
1.17 nicm 216: return;
217: }
1.1 nicm 218:
1.38 nicm 219: cmdq_run(c->cmdq, bd->cmdlist);
1.1 nicm 220: }