afb7e42e41ea3a1a092859e0378a1b642c2cf73e
1 /*
2 * $Id$
3 *
4 * (c) 2004 by Kalle Wallin <kaw@linux.se>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 */
21 #include "command.h"
22 #include "config.h"
23 #include "ncmpc.h"
24 #include "mpdclient.h"
25 #include "screen.h"
27 #include <ctype.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <ctype.h>
31 #include <glib.h>
32 #include <signal.h>
33 #include <unistd.h>
35 #undef DEBUG_KEYS
37 #ifdef DEBUG_KEYS
38 #define DK(x) x
39 #else
40 #define DK(x)
41 #endif
43 #define BS KEY_BACKSPACE
44 #define DEL KEY_DC
45 #define UP KEY_UP
46 #define DWN KEY_DOWN
47 #define LEFT KEY_LEFT
48 #define RGHT KEY_RIGHT
49 #define HOME KEY_HOME
50 #define END KEY_END
51 #define PGDN KEY_NPAGE
52 #define PGUP KEY_PPAGE
53 #define TAB 0x09
54 #define STAB 0x161
55 #define ESC 0x1B
56 #define F1 KEY_F(1)
57 #define F2 KEY_F(2)
58 #define F3 KEY_F(3)
59 #define F4 KEY_F(4)
60 #define F5 KEY_F(5)
61 #define F6 KEY_F(6)
62 #define F7 KEY_F(7)
65 static command_definition_t cmds[] =
66 {
67 #ifdef ENABLE_KEYDEF_SCREEN
68 { {'K', 0, 0 }, 0, CMD_SCREEN_KEYDEF, "screen-keyedit",
69 N_("Key configuration screen") },
70 #endif
71 { { 'q', 'Q', 3 }, 0, CMD_QUIT, "quit",
72 N_("Quit") },
74 /* movment */
75 { { UP, 'k', 0 }, 0, CMD_LIST_PREVIOUS, "up",
76 N_("Move cursor up") },
77 { { DWN, 'j', 0 }, 0, CMD_LIST_NEXT, "down",
78 N_("Move cursor down") },
79 { { HOME, 0x01, 0 }, 0, CMD_LIST_FIRST, "home",
80 N_("Home ") },
81 { { END, 0x05, 0 }, 0, CMD_LIST_LAST, "end",
82 N_("End ") },
83 { { PGUP, 0, 0 }, 0, CMD_LIST_PREVIOUS_PAGE, "pgup",
84 N_("Page up") },
85 { { PGDN, 0, 0 }, 0, CMD_LIST_NEXT_PAGE, "pgdn",
86 N_("Page down") },
89 /* basic screens */
90 { { '1', F1, 'h' }, 0, CMD_SCREEN_HELP, "screen-help",
91 N_("Help screen") },
92 { { '2', F2, 0 }, 0, CMD_SCREEN_PLAY, "screen-playlist",
93 N_("Playlist screen") },
94 { { '3', F3, 0 }, 0, CMD_SCREEN_FILE, "screen-browse",
95 N_("Browse screen") },
98 /* player commands */
99 { { 13, 0, 0 }, 0, CMD_PLAY, "play",
100 N_("Play/Enter directory") },
101 { { 'P', 0, 0 }, 0, CMD_PAUSE,"pause",
102 N_("Pause") },
103 { { 's', BS, 0 }, 0, CMD_STOP, "stop",
104 N_("Stop") },
105 { { '>', 0, 0 }, 0, CMD_TRACK_NEXT, "next",
106 N_("Next track") },
107 { { '<', 0, 0 }, 0, CMD_TRACK_PREVIOUS, "prev",
108 N_("Previous track") },
109 { { 'f', 0, 0 }, 0, CMD_SEEK_FORWARD, "seek-forward",
110 N_("Seek forward") },
111 { { 'b', 0, 0 }, 0, CMD_SEEK_BACKWARD, "seek-backward",
112 N_("Seek backward") },
113 { { '+', RGHT, 0 }, 0, CMD_VOLUME_UP, "volume-up",
114 N_("Increase volume") },
115 { { '-', LEFT, 0 }, 0, CMD_VOLUME_DOWN, "volume-down",
116 N_("Decrease volume") },
117 { { ' ', 0, 0 }, 0, CMD_SELECT, "select",
118 N_("Select/deselect song in playlist") },
119 { { 't', 0, 0 }, 0, CMD_SELECT_ALL, "select_all",
120 N_("Select all listed items") },
121 { { DEL, 'd', 0 }, 0, CMD_DELETE, "delete",
122 N_("Delete song from playlist") },
123 { { 'Z', 0, 0 }, 0, CMD_SHUFFLE, "shuffle",
124 N_("Shuffle playlist") },
125 { { 'c', 0, 0 }, 0, CMD_CLEAR, "clear",
126 N_("Clear playlist") },
127 { { 'r', 0, 0 }, 0, CMD_REPEAT, "repeat",
128 N_("Toggle repeat mode") },
129 { { 'z', 0, 0 }, 0, CMD_RANDOM, "random",
130 N_("Toggle random mode") },
131 { { 'x', 0, 0 }, 0, CMD_CROSSFADE, "crossfade",
132 N_("Toggle crossfade mode") },
133 { { 21, 0, 0 }, 0, CMD_DB_UPDATE, "db-update",
134 N_("Start a music database update") },
135 { { 'S', 0, 0 }, 0, CMD_SAVE_PLAYLIST, "save",
136 N_("Save playlist") },
137 { { 'a', 0, 0 }, 0, CMD_ADD, "add",
138 N_("Add url/file to playlist") },
140 { { '!', 0, 0 }, 0, CMD_GO_ROOT_DIRECTORY, "go-root-directory",
141 N_("Go to root directory") },
142 { { '"', 0, 0 }, 0, CMD_GO_PARENT_DIRECTORY, "go-parent-directory",
143 N_("Go to parent directory") },
145 /* lists */
146 { { 11, 0, 0 }, 0, CMD_LIST_MOVE_UP, "move-up",
147 N_("Move item up") },
148 { { 10, 0, 0 }, 0, CMD_LIST_MOVE_DOWN, "move-down",
149 N_("Move item down") },
150 { { 12, 0, 0 }, 0, CMD_SCREEN_UPDATE, "update",
151 N_("Update screen") },
154 /* ncmpc options */
155 { { 'w', 0, 0 }, 0, CMD_TOGGLE_FIND_WRAP, "wrap-mode",
156 N_("Toggle find mode") },
157 { { 'U', 0, 0 }, 0, CMD_TOGGLE_AUTOCENTER, "autocenter-mode",
158 N_("Toggle auto center mode") },
161 /* change screen */
162 { { TAB, 0, 0 }, 0, CMD_SCREEN_NEXT, "screen-next",
163 N_("Next screen") },
164 { { STAB, 0, 0 }, 0, CMD_SCREEN_PREVIOUS, "screen-prev",
165 N_("Previous screen") },
168 /* find */
169 { { '/', 0, 0 }, 0, CMD_LIST_FIND, "find",
170 N_("Forward find") },
171 { { 'n', 0, 0 }, 0, CMD_LIST_FIND_NEXT, "find-next",
172 N_("Forward find next") },
173 { { '?', 0, 0 }, 0, CMD_LIST_RFIND, "rfind",
174 N_("Backward find") },
175 { { 'p', 0, 0 }, 0, CMD_LIST_RFIND_NEXT, "rfind-next",
176 N_("Backward find previous") },
179 /* extra screens */
180 #ifdef ENABLE_ARTIST_SCREEN
181 { {'4', F4, 0 }, 0, CMD_SCREEN_ARTIST, "screen-artist",
182 N_("Artist screen") },
183 #endif
184 #ifdef ENABLE_SEARCH_SCREEN
185 { {'5', F5, 0 }, 0, CMD_SCREEN_SEARCH, "screen-search",
186 N_("Search screen") },
187 { {'m', 0, 0 }, 0, CMD_SEARCH_MODE, "search-mode",
188 N_("Change search mode") },
189 #endif
191 #ifdef ENABLE_LYRICS_SCREEN
192 { {'7', F7, 0 }, 0, CMD_SCREEN_LYRICS, "screen-lyrics",
193 N_("Lyrics screen") },
194 { {ESC, 0, 0 }, 0, CMD_INTERRUPT, "lyrics-interrupt",
195 N_("Interrupt action") },
196 { {'u', 0, 0 }, 0, CMD_LYRICS_UPDATE, "lyrics-update",
197 N_("Update Lyrics") },
198 #endif
201 { { -1, -1, -1 }, 0, CMD_NONE, NULL, NULL }
202 };
204 command_definition_t *
205 get_command_definitions(void)
206 {
207 return cmds;
208 }
210 const char *
211 key2str(int key)
212 {
213 static char buf[32];
214 int i;
216 buf[0] = 0;
217 switch(key) {
218 case 0:
219 return _("Undefined");
220 case ' ':
221 return _("Space");
222 case 13:
223 return _("Enter");
224 case BS:
225 return _("Backspace");
226 case DEL:
227 return _("Delete");
228 case UP:
229 return _("Up");
230 case DWN:
231 return _("Down");
232 case LEFT:
233 return _("Left");
234 case RGHT:
235 return _("Right");
236 case HOME:
237 return _("Home");
238 case END:
239 return _("End");
240 case PGDN:
241 return _("PageDown");
242 case PGUP:
243 return _("PageUp");
244 case TAB:
245 return _("Tab");
246 case STAB:
247 return _("Shift+Tab");
248 case ESC:
249 return _("Esc");
250 case KEY_IC:
251 return _("Insert");
252 default:
253 for (i = 0; i <= 63; i++)
254 if (key == KEY_F(i)) {
255 g_snprintf(buf, 32, "F%d", i );
256 return buf;
257 }
258 if (!(key & ~037))
259 g_snprintf(buf, 32, "Ctrl-%c", 'A'+(key & 037)-1 );
260 else if ((key & ~037) == 224)
261 g_snprintf(buf, 32, "Alt-%c", 'A'+(key & 037)-1 );
262 else if (key > 32 && key < 256)
263 g_snprintf(buf, 32, "%c", key);
264 else
265 g_snprintf(buf, 32, "0x%03X", key);
266 }
268 return buf;
269 }
271 void
272 command_dump_keys(void)
273 {
274 int i;
276 i = 0;
277 while (cmds[i].description) {
278 if (cmds[i].command != CMD_NONE)
279 printf(" %20s : %s\n", get_key_names(cmds[i].command,1),cmds[i].name);
280 i++;
281 }
282 }
284 static int
285 set_key_flags(command_definition_t *cp, command_t command, int flags)
286 {
287 int i;
289 i = 0;
290 while (cp[i].name) {
291 if (cp[i].command == command) {
292 cp[i].flags |= flags;
293 return 0;
294 }
295 i++;
296 }
298 return 1;
299 }
301 const char *
302 get_key_names(command_t command, int all)
303 {
304 int i;
306 i=0;
307 while (cmds[i].description) {
308 if (cmds[i].command == command) {
309 int j;
310 static char keystr[80];
312 g_strlcpy(keystr, key2str(cmds[i].keys[0]), sizeof(keystr));
313 if (!all)
314 return keystr;
315 j=1;
316 while (j < MAX_COMMAND_KEYS && cmds[i].keys[j] > 0) {
317 g_strlcat(keystr, " ", sizeof(keystr));
318 g_strlcat(keystr, key2str(cmds[i].keys[j]), sizeof(keystr));
319 j++;
320 }
321 return keystr;
322 }
323 i++;
324 }
325 return NULL;
326 }
328 const char *
329 get_key_description(command_t command)
330 {
331 int i;
333 i=0;
334 while (cmds[i].description) {
335 if (cmds[i].command == command)
336 return _(cmds[i].description);
337 i++;
338 }
340 return NULL;
341 }
343 const char *
344 get_key_command_name(command_t command)
345 {
346 int i;
348 i=0;
349 while (cmds[i].name) {
350 if (cmds[i].command == command)
351 return cmds[i].name;
352 i++;
353 }
354 return NULL;
355 }
357 command_t
358 get_key_command_from_name(char *name)
359 {
360 int i;
362 i=0;
363 while (cmds[i].name) {
364 if (strcmp(name, cmds[i].name) == 0)
365 return cmds[i].command;
366 i++;
367 }
369 return CMD_NONE;
370 }
372 command_t
373 find_key_command(int key, command_definition_t *c)
374 {
375 int i;
377 i=0;
378 while (key && c && c[i].name) {
379 if (c[i].keys[0] == key ||
380 c[i].keys[1] == key ||
381 c[i].keys[2] == key)
382 return c[i].command;
383 i++;
384 }
386 return CMD_NONE;
387 }
389 command_t
390 get_key_command(int key)
391 {
392 return find_key_command(key, cmds);
393 }
395 int
396 my_wgetch(WINDOW *w)
397 {
398 int c;
400 c = wgetch(w);
402 /* handle resize event */
403 if (c == KEY_RESIZE)
404 screen_resize();
406 #ifdef ENABLE_RAW_MODE
407 /* handle SIGSTOP (Ctrl-Z) */
408 if (c == 26 || c == 407)
409 sigstop();
410 /* handle SIGINT (Ctrl-C) */
411 if (c == 3)
412 kill(getpid(), SIGTERM);
413 #endif
415 return c;
416 }
418 command_t
419 get_keyboard_command(void)
420 {
421 int key;
423 key = my_wgetch(stdscr);
424 if (key == ERR)
425 return CMD_NONE;
427 #ifdef HAVE_GETMOUSE
428 if (key == KEY_MOUSE)
429 return CMD_MOUSE_EVENT;
430 #endif
432 return get_key_command(key);
433 }
435 int
436 assign_keys(command_t command, int keys[MAX_COMMAND_KEYS])
437 {
438 int i;
440 i=0;
441 while (cmds[i].name) {
442 if (cmds[i].command == command) {
443 memcpy(cmds[i].keys, keys, sizeof(int)*MAX_COMMAND_KEYS);
444 cmds[i].flags |= COMMAND_KEY_MODIFIED;
445 return 0;
446 }
447 i++;
448 }
449 return -1;
450 }
452 int
453 check_key_bindings(command_definition_t *cp, char *buf, size_t bufsize)
454 {
455 int i;
456 int retval = 0;
458 if (cp == NULL)
459 cp = cmds;
461 i=0;
462 while (cp[i].name) {
463 cp[i].flags &= ~COMMAND_KEY_CONFLICT;
464 i++;
465 }
467 i=0;
468 while (cp[i].name) {
469 int j;
470 command_t cmd;
472 for(j=0; j<MAX_COMMAND_KEYS; j++)
473 if (cp[i].keys[j] &&
474 (cmd = find_key_command(cp[i].keys[j],cp)) != cp[i].command) {
475 if (buf) {
476 #ifdef ENABLE_KEYDEF_SCREEN
477 g_snprintf(buf, bufsize,
478 _("Key %s assigned to %s and %s (press %s for the key editor)"),
479 key2str(cp[i].keys[j]),
480 get_key_command_name(cp[i].command),
481 get_key_command_name(cmd),
482 get_key_names(CMD_SCREEN_KEYDEF,0));
483 #else
484 g_snprintf(buf, bufsize,
485 _("Error: Key %s assigned to %s and %s !!!\n"),
486 key2str(cp[i].keys[j]),
487 get_key_command_name(cp[i].command),
488 get_key_command_name(cmd));
489 #endif
490 } else
491 fprintf(stderr,
492 _("Error: Key %s assigned to %s and %s !!!\n"),
493 key2str(cp[i].keys[j]),
494 get_key_command_name(cp[i].command),
495 get_key_command_name(cmd));
496 cp[i].flags |= COMMAND_KEY_CONFLICT;
497 set_key_flags(cp, cmd, COMMAND_KEY_CONFLICT);
498 retval = -1;
499 }
500 i++;
501 }
502 return retval;
503 }
505 int
506 write_key_bindings(FILE *f, int flags)
507 {
508 int i,j;
510 if( flags & KEYDEF_WRITE_HEADER )
511 fprintf(f, "## Key bindings for ncmpc (generated by ncmpc)\n\n");
513 i=0;
514 while (cmds[i].name && !ferror(f)) {
515 if (cmds[i].flags & COMMAND_KEY_MODIFIED ||
516 flags & KEYDEF_WRITE_ALL) {
517 fprintf(f, "## %s\n", cmds[i].description);
518 if (flags & KEYDEF_COMMENT_ALL)
519 fprintf(f, "#");
520 fprintf(f, "key %s = ", cmds[i].name);
521 for (j = 0; j < MAX_COMMAND_KEYS; j++) {
522 if (j && cmds[i].keys[j])
523 fprintf(f, ", ");
524 if (!j || cmds[i].keys[j]) {
525 if (cmds[i].keys[j]<256 && (isalpha(cmds[i].keys[j]) ||
526 isdigit(cmds[i].keys[j])))
527 fprintf(f, "\'%c\'", cmds[i].keys[j]);
528 else
529 fprintf(f, "%d", cmds[i].keys[j]);
530 }
531 }
532 fprintf(f,"\n\n");
533 }
534 i++;
535 }
537 return ferror(f);
538 }