Annotation of src/usr.bin/tmux/key-bindings.c, Revision 1.34
1.34 ! nicm 1: /* $OpenBSD: key-bindings.c,v 1.33 2012/07/10 11:53:01 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 },
153: { '{', 0, &cmd_swap_pane_entry },
154: { '}', 0, &cmd_swap_pane_entry },
1.14 nicm 155: { '~', 0, &cmd_show_messages_entry },
1.7 nicm 156: { '1' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
157: { '2' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
158: { '3' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
159: { '4' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
1.20 nicm 160: { '5' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
1.12 nicm 161: { KEYC_PPAGE, 0, &cmd_copy_mode_entry },
1.7 nicm 162: { 'n' | KEYC_ESCAPE, 0, &cmd_next_window_entry },
1.14 nicm 163: { 'o' | KEYC_ESCAPE, 0, &cmd_rotate_window_entry },
1.7 nicm 164: { 'p' | KEYC_ESCAPE, 0, &cmd_previous_window_entry },
1.18 nicm 165: { KEYC_UP, 1, &cmd_select_pane_entry },
166: { KEYC_DOWN, 1, &cmd_select_pane_entry },
167: { KEYC_LEFT, 1, &cmd_select_pane_entry },
168: { KEYC_RIGHT, 1, &cmd_select_pane_entry },
1.7 nicm 169: { KEYC_UP | KEYC_ESCAPE, 1, &cmd_resize_pane_entry },
170: { KEYC_DOWN | KEYC_ESCAPE, 1, &cmd_resize_pane_entry },
171: { KEYC_LEFT | KEYC_ESCAPE, 1, &cmd_resize_pane_entry },
172: { KEYC_RIGHT | KEYC_ESCAPE, 1, &cmd_resize_pane_entry },
173: { KEYC_UP | KEYC_CTRL, 1, &cmd_resize_pane_entry },
1.15 nicm 174: { KEYC_DOWN | KEYC_CTRL, 1, &cmd_resize_pane_entry },
1.7 nicm 175: { KEYC_LEFT | KEYC_CTRL, 1, &cmd_resize_pane_entry },
176: { KEYC_RIGHT | KEYC_CTRL, 1, &cmd_resize_pane_entry },
1.1 nicm 177: };
178: u_int i;
179: struct cmd *cmd;
180: struct cmd_list *cmdlist;
181:
1.29 nicm 182: RB_INIT(&key_bindings);
1.1 nicm 183:
184: for (i = 0; i < nitems(table); i++) {
185: cmdlist = xmalloc(sizeof *cmdlist);
1.23 nicm 186: TAILQ_INIT(&cmdlist->list);
187: cmdlist->references = 1;
1.1 nicm 188:
189: cmd = xmalloc(sizeof *cmd);
190: cmd->entry = table[i].entry;
1.27 nicm 191: if (cmd->entry->key_binding != NULL)
192: cmd->entry->key_binding(cmd, table[i].key);
193: else
194: cmd->args = args_create(0);
1.23 nicm 195: TAILQ_INSERT_HEAD(&cmdlist->list, cmd, qentry);
1.1 nicm 196:
1.8 nicm 197: key_bindings_add(
198: table[i].key | KEYC_PREFIX, table[i].can_repeat, cmdlist);
1.1 nicm 199: }
200: }
201:
202: void printflike2
203: key_bindings_error(struct cmd_ctx *ctx, const char *fmt, ...)
204: {
205: va_list ap;
206: char *msg;
207:
1.31 nicm 208: if (ctx->curclient->session == NULL)
209: return;
210:
1.1 nicm 211: va_start(ap, fmt);
212: xvasprintf(&msg, fmt, ap);
213: va_end(ap);
214:
215: *msg = toupper((u_char) *msg);
1.15 nicm 216: status_message_set(ctx->curclient, "%s", msg);
1.33 nicm 217: free(msg);
1.1 nicm 218: }
219:
220: void printflike2
221: key_bindings_print(struct cmd_ctx *ctx, const char *fmt, ...)
222: {
1.31 nicm 223: struct winlink *wl;
1.1 nicm 224: va_list ap;
225:
1.31 nicm 226: if (ctx->curclient->session == NULL)
227: return;
228:
229: wl = ctx->curclient->session->curw;
1.19 nicm 230: if (wl->window->active->mode != &window_copy_mode) {
1.1 nicm 231: window_pane_reset_mode(wl->window->active);
1.19 nicm 232: window_pane_set_mode(wl->window->active, &window_copy_mode);
233: window_copy_init_for_output(wl->window->active);
234: }
1.1 nicm 235:
236: va_start(ap, fmt);
1.19 nicm 237: window_copy_vadd(wl->window->active, fmt, ap);
1.1 nicm 238: va_end(ap);
239: }
240:
241: void printflike2
242: key_bindings_info(struct cmd_ctx *ctx, const char *fmt, ...)
243: {
244: va_list ap;
245: char *msg;
1.31 nicm 246:
247: if (ctx->curclient->session == NULL)
248: return;
1.1 nicm 249:
1.16 nicm 250: if (options_get_number(&global_options, "quiet"))
1.1 nicm 251: return;
252:
253: va_start(ap, fmt);
254: xvasprintf(&msg, fmt, ap);
255: va_end(ap);
256:
257: *msg = toupper((u_char) *msg);
1.15 nicm 258: status_message_set(ctx->curclient, "%s", msg);
1.33 nicm 259: free(msg);
1.1 nicm 260: }
261:
262: void
263: key_bindings_dispatch(struct key_binding *bd, struct client *c)
264: {
1.17 nicm 265: struct cmd_ctx ctx;
266: struct cmd *cmd;
267: int readonly;
1.1 nicm 268:
269: ctx.msgdata = NULL;
270: ctx.curclient = c;
271:
272: ctx.error = key_bindings_error;
273: ctx.print = key_bindings_print;
274: ctx.info = key_bindings_info;
275:
276: ctx.cmdclient = NULL;
1.17 nicm 277:
278: readonly = 1;
1.23 nicm 279: TAILQ_FOREACH(cmd, &bd->cmdlist->list, qentry) {
1.17 nicm 280: if (!(cmd->entry->flags & CMD_READONLY))
281: readonly = 0;
282: }
283: if (!readonly && c->flags & CLIENT_READONLY) {
284: key_bindings_info(&ctx, "Client is read-only");
285: return;
286: }
1.1 nicm 287:
288: cmd_list_exec(bd->cmdlist, &ctx);
289: }
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