1dc300a9d24394612972dd74c3abba32052ba497
1 /* ncmpc (Ncurses MPD Client)
2 * (c) 2004-2009 The Music Player Daemon Project
3 * Project homepage: http://musicpd.org
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
20 #include "i18n.h"
21 #include "options.h"
22 #include "charset.h"
23 #include "mpdclient.h"
24 #include "utils.h"
25 #include "strfsong.h"
26 #include "command.h"
27 #include "screen.h"
28 #include "screen_utils.h"
29 #include "screen_browser.h"
31 #include <ctype.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <glib.h>
36 #define BUFSIZE 1024
38 typedef enum { LIST_ARTISTS, LIST_ALBUMS, LIST_SONGS } artist_mode_t;
40 static artist_mode_t mode = LIST_ARTISTS;
41 static GPtrArray *artist_list, *album_list;
42 static char *artist = NULL;
43 static char *album = NULL;
45 static struct screen_browser browser;
47 static gint
48 compare_utf8(gconstpointer s1, gconstpointer s2)
49 {
50 char *key1, *key2;
51 int n;
53 key1 = g_utf8_collate_key(s1,-1);
54 key2 = g_utf8_collate_key(s2,-1);
55 n = strcmp(key1,key2);
56 g_free(key1);
57 g_free(key2);
58 return n;
59 }
61 /* list_window callback */
62 static const char *
63 artist_lw_callback(unsigned idx, G_GNUC_UNUSED bool *highlight,
64 G_GNUC_UNUSED char** sc, G_GNUC_UNUSED void *data)
65 {
66 GPtrArray *list = data;
67 static char buf[BUFSIZE];
68 char *str, *str_utf8;
70 if (mode == LIST_ALBUMS) {
71 if (idx == 0)
72 return "[..]";
73 else if (idx == list->len + 1) {
74 str = utf8_to_locale(_("All tracks"));
75 g_snprintf(buf, BUFSIZE, "[%s]", str);
76 g_free(str);
77 return buf;
78 }
80 --idx;
81 }
83 if (idx >= list->len)
84 return NULL;
86 str_utf8 = g_ptr_array_index(list, idx);
87 assert(str_utf8 != NULL);
89 str = utf8_to_locale(str_utf8);
90 g_snprintf(buf, BUFSIZE, "[%s]", str);
91 g_free(str);
93 return buf;
94 }
96 static void
97 paint(void);
99 static void
100 artist_repaint(void)
101 {
102 paint();
103 wrefresh(browser.lw->w);
104 }
106 static void
107 artist_repaint_if_active(void)
108 {
109 if (screen_is_visible(&screen_artist))
110 artist_repaint();
111 }
113 #ifndef NCMPC_MINI
114 /* the playlist has been updated -> fix highlights */
115 static void
116 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
117 {
118 browser_playlist_changed(&browser, c, event, data);
120 artist_repaint_if_active();
121 }
122 #endif
124 static GPtrArray *
125 g_list_to_ptr_array(GList *in)
126 {
127 GPtrArray *out = g_ptr_array_sized_new(g_list_length(in));
128 GList *head = in;
130 while (in != NULL) {
131 g_ptr_array_add(out, in->data);
132 in = g_list_next(in);
133 }
135 g_list_free(head);
136 return out;
137 }
139 static void
140 string_array_free(GPtrArray *array)
141 {
142 unsigned i;
144 for (i = 0; i < array->len; ++i) {
145 char *value = g_ptr_array_index(array, i);
146 free(value);
147 }
149 g_ptr_array_free(array, TRUE);
150 }
152 static void
153 free_lists(G_GNUC_UNUSED struct mpdclient *c)
154 {
155 if (artist_list != NULL) {
156 string_array_free(artist_list);
157 artist_list = NULL;
158 }
160 if (album_list != NULL) {
161 string_array_free(album_list);
162 album_list = NULL;
163 }
165 if (browser.filelist) {
166 #ifndef NCMPC_MINI
167 if (c != NULL)
168 mpdclient_remove_playlist_callback(c, playlist_changed_callback);
169 #endif
170 filelist_free(browser.filelist);
171 browser.filelist = NULL;
172 }
173 }
175 static void
176 load_artist_list(struct mpdclient *c)
177 {
178 GList *list;
180 assert(mode == LIST_ARTISTS);
181 assert(artist == NULL);
182 assert(album == NULL);
183 assert(artist_list == NULL);
184 assert(album_list == NULL);
185 assert(browser.filelist == NULL);
187 list = mpdclient_get_artists(c);
188 /* sort list */
189 list = g_list_sort(list, compare_utf8);
191 artist_list = g_list_to_ptr_array(list);
192 }
194 static void
195 load_album_list(struct mpdclient *c)
196 {
197 GList *list;
199 assert(mode == LIST_ALBUMS);
200 assert(artist != NULL);
201 assert(album == NULL);
202 assert(album_list == NULL);
203 assert(browser.filelist == NULL);
205 list = mpdclient_get_albums(c, artist);
206 /* sort list */
207 list = g_list_sort(list, compare_utf8);
209 album_list = g_list_to_ptr_array(list);
210 }
212 static void
213 load_song_list(struct mpdclient *c)
214 {
215 assert(mode == LIST_SONGS);
216 assert(artist != NULL);
217 assert(album != NULL);
218 assert(browser.filelist == NULL);
220 if (album[0] == 0)
221 browser.filelist =
222 mpdclient_filelist_search(c, TRUE,
223 MPD_TABLE_ARTIST,
224 artist);
225 else
226 browser.filelist =
227 mpdclient_filelist_search(c, TRUE,
228 MPD_TABLE_ALBUM,
229 album);
230 if (browser.filelist == NULL)
231 browser.filelist = filelist_new();
233 /* add a dummy entry for ".." */
234 filelist_prepend(browser.filelist, NULL);
236 #ifndef NCMPC_MINI
237 /* install playlist callback and fix highlights */
238 sync_highlights(c, browser.filelist);
239 mpdclient_install_playlist_callback(c, playlist_changed_callback);
240 #endif
241 }
243 static void
244 free_state(struct mpdclient *c)
245 {
246 g_free(artist);
247 g_free(album);
248 artist = NULL;
249 album = NULL;
251 free_lists(c);
252 }
254 static void
255 open_artist_list(struct mpdclient *c)
256 {
257 free_state(c);
259 mode = LIST_ARTISTS;
260 load_artist_list(c);
261 }
263 static void
264 open_album_list(struct mpdclient *c, char *_artist)
265 {
266 assert(_artist != NULL);
268 free_state(c);
270 mode = LIST_ALBUMS;
271 artist = _artist;
272 load_album_list(c);
273 }
275 static void
276 open_song_list(struct mpdclient *c, char *_artist, char *_album)
277 {
278 assert(_artist != NULL);
279 assert(_album != NULL);
281 free_state(c);
283 mode = LIST_SONGS;
284 artist = _artist;
285 album = _album;
286 load_song_list(c);
287 }
289 static void
290 reload_lists(struct mpdclient *c)
291 {
292 free_lists(c);
294 switch (mode) {
295 case LIST_ARTISTS:
296 load_artist_list(c);
297 break;
299 case LIST_ALBUMS:
300 load_album_list(c);
301 break;
303 case LIST_SONGS:
304 load_song_list(c);
305 break;
306 }
307 }
309 /* db updated */
310 static void
311 browse_callback(mpdclient_t *c, int event, G_GNUC_UNUSED gpointer data)
312 {
313 switch(event) {
314 case BROWSE_DB_UPDATED:
315 reload_lists(c);
316 break;
317 default:
318 break;
319 }
321 artist_repaint_if_active();
322 }
324 static void
325 init(WINDOW *w, int cols, int rows)
326 {
327 browser.lw = list_window_init(w, cols, rows);
328 artist = NULL;
329 album = NULL;
330 }
332 static void
333 quit(void)
334 {
335 free_state(NULL);
336 list_window_free(browser.lw);
337 }
339 static void
340 open(mpdclient_t *c)
341 {
342 static gboolean callback_installed = FALSE;
344 if (artist_list == NULL && album_list == NULL &&
345 browser.filelist == NULL)
346 reload_lists(c);
347 if (!callback_installed) {
348 mpdclient_install_browse_callback(c, browse_callback);
349 callback_installed = TRUE;
350 }
351 }
353 static void
354 resize(int cols, int rows)
355 {
356 browser.lw->cols = cols;
357 browser.lw->rows = rows;
358 }
360 static void
361 paint(void)
362 {
363 if (browser.filelist) {
364 list_window_paint(browser.lw, browser_lw_callback,
365 browser.filelist);
366 } else if (album_list != NULL)
367 list_window_paint(browser.lw, artist_lw_callback, album_list);
368 else if (artist_list != NULL)
369 list_window_paint(browser.lw, artist_lw_callback, artist_list);
370 else {
371 wmove(browser.lw->w, 0, 0);
372 wclrtobot(browser.lw->w);
373 }
374 }
376 static const char *
377 get_title(char *str, size_t size)
378 {
379 char *s1, *s2;
381 switch(mode) {
382 case LIST_ARTISTS:
383 g_snprintf(str, size, _("All artists"));
384 break;
386 case LIST_ALBUMS:
387 s1 = utf8_to_locale(artist);
388 g_snprintf(str, size, _("Albums of artist: %s"), s1);
389 g_free(s1);
390 break;
392 case LIST_SONGS:
393 s1 = utf8_to_locale(artist);
394 if (*album != 0) {
395 s2 = utf8_to_locale(album);
396 g_snprintf(str, size,
397 _("Album: %s - %s"), s1, s2);
398 g_free(s2);
399 } else
400 g_snprintf(str, size,
401 _("All tracks of artist: %s"), s1);
402 g_free(s1);
403 break;
404 }
406 return str;
407 }
409 static void
410 add_query(mpdclient_t *c, int table, char *_filter)
411 {
412 char *str;
413 mpdclient_filelist_t *addlist;
415 assert(filter != NULL);
417 str = utf8_to_locale(_filter);
418 if (table== MPD_TABLE_ALBUM)
419 screen_status_printf("Adding album %s...", str);
420 else
421 screen_status_printf("Adding %s...", str);
422 g_free(str);
424 addlist = mpdclient_filelist_search(c, TRUE, table, _filter);
425 if (addlist) {
426 mpdclient_filelist_add_all(c, addlist);
427 filelist_free(addlist);
428 }
429 }
431 static unsigned
432 metalist_length(void)
433 {
434 assert(mode != LIST_ARTISTS || artist_list != NULL);
435 assert(mode != LIST_ALBUMS || album_list != NULL);
437 return mode == LIST_ALBUMS
438 ? album_list->len + 2
439 : artist_list->len;
440 }
442 static int
443 artist_lw_cmd(struct mpdclient *c, command_t cmd)
444 {
445 switch (mode) {
446 case LIST_ARTISTS:
447 case LIST_ALBUMS:
448 return list_window_cmd(browser.lw, metalist_length(), cmd);
450 case LIST_SONGS:
451 return browser_cmd(&browser, c, cmd);
452 }
454 assert(0);
455 return 0;
456 }
458 static int
459 string_array_find(GPtrArray *array, const char *value)
460 {
461 guint i;
463 for (i = 0; i < array->len; ++i)
464 if (strcmp((const char*)g_ptr_array_index(array, i),
465 value) == 0)
466 return i;
468 return -1;
469 }
471 static bool
472 artist_cmd(mpdclient_t *c, command_t cmd)
473 {
474 char *selected;
475 char *old;
476 int idx;
478 switch(cmd) {
479 case CMD_PLAY:
480 switch (mode) {
481 case LIST_ARTISTS:
482 selected = g_ptr_array_index(artist_list,
483 browser.lw->selected);
484 open_album_list(c, g_strdup(selected));
485 list_window_reset(browser.lw);
487 artist_repaint();
488 return true;
490 case LIST_ALBUMS:
491 if (browser.lw->selected == 0) {
492 /* handle ".." */
493 old = g_strdup(artist);
495 open_artist_list(c);
496 list_window_reset(browser.lw);
497 /* restore previous list window state */
498 idx = string_array_find(artist_list, old);
499 g_free(old);
501 if (idx >= 0) {
502 list_window_set_selected(browser.lw, idx);
503 list_window_center(browser.lw,
504 artist_list->len, idx);
505 }
506 } else if (browser.lw->selected == album_list->len + 1) {
507 /* handle "show all" */
508 open_song_list(c, g_strdup(artist), g_strdup("\0"));
509 list_window_reset(browser.lw);
510 } else {
511 /* select album */
512 selected = g_ptr_array_index(album_list,
513 browser.lw->selected - 1);
514 open_song_list(c, g_strdup(artist), g_strdup(selected));
515 list_window_reset(browser.lw);
516 }
518 artist_repaint();
519 return true;
521 case LIST_SONGS:
522 if (browser.lw->selected == 0) {
523 /* handle ".." */
524 old = g_strdup(album);
526 open_album_list(c, g_strdup(artist));
527 list_window_reset(browser.lw);
528 /* restore previous list window state */
529 idx = *old == 0
530 ? (int)album_list->len
531 : string_array_find(album_list, old);
532 g_free(old);
534 if (idx >= 0) {
535 ++idx;
536 list_window_set_selected(browser.lw, idx);
537 list_window_center(browser.lw,
538 album_list->len, idx);
539 }
541 artist_repaint();
542 return true;
543 }
544 break;
545 }
546 break;
548 /* FIXME? CMD_GO_* handling duplicates code from CMD_PLAY */
550 case CMD_GO_PARENT_DIRECTORY:
551 switch (mode) {
552 case LIST_ARTISTS:
553 break;
555 case LIST_ALBUMS:
556 old = g_strdup(artist);
558 open_artist_list(c);
559 list_window_reset(browser.lw);
560 /* restore previous list window state */
561 idx = string_array_find(artist_list, old);
562 g_free(old);
564 if (idx >= 0) {
565 list_window_set_selected(browser.lw, idx);
566 list_window_center(browser.lw,
567 artist_list->len, idx);
568 }
569 break;
571 case LIST_SONGS:
572 old = g_strdup(album);
574 open_album_list(c, g_strdup(artist));
575 list_window_reset(browser.lw);
576 /* restore previous list window state */
577 idx = *old == 0
578 ? (int)album_list->len
579 : string_array_find(album_list, old);
580 g_free(old);
582 if (idx >= 0) {
583 ++idx;
584 list_window_set_selected(browser.lw, idx);
585 list_window_center(browser.lw,
586 album_list->len, idx);
587 }
588 break;
589 }
591 artist_repaint();
592 break;
594 case CMD_GO_ROOT_DIRECTORY:
595 switch (mode) {
596 case LIST_ARTISTS:
597 break;
599 case LIST_ALBUMS:
600 case LIST_SONGS:
601 open_artist_list(c);
602 list_window_reset(browser.lw);
603 /* restore first list window state (pop while returning true) */
604 /* XXX */
605 break;
606 }
608 artist_repaint();
609 break;
611 case CMD_SELECT:
612 case CMD_ADD:
613 switch(mode) {
614 case LIST_ARTISTS:
615 {
616 unsigned i;
617 for(i = browser.lw->selected_start; i <= browser.lw->selected_end; ++i)
618 {
619 selected = g_ptr_array_index(artist_list, i);
620 add_query(c, MPD_TABLE_ARTIST, selected);
621 cmd = CMD_LIST_NEXT; /* continue and select next item... */
622 }
623 break;
624 }
625 case LIST_ALBUMS:
626 {
627 unsigned i;
628 for(i = browser.lw->selected_start; i <= browser.lw->selected_end; ++i)
629 {
630 if(i == album_list->len + 1)
631 add_query(c, MPD_TABLE_ARTIST, artist);
632 else if (i > 0)
633 {
634 selected = g_ptr_array_index(album_list,
635 browser.lw->selected - 1);
636 add_query(c, MPD_TABLE_ALBUM, selected);
637 cmd = CMD_LIST_NEXT; /* continue and select next item... */
638 }
639 }
640 break;
641 }
643 case LIST_SONGS:
644 /* handled by browser_cmd() */
645 break;
646 }
647 break;
649 /* continue and update... */
650 case CMD_SCREEN_UPDATE:
651 reload_lists(c);
652 return false;
654 case CMD_LIST_FIND:
655 case CMD_LIST_RFIND:
656 case CMD_LIST_FIND_NEXT:
657 case CMD_LIST_RFIND_NEXT:
658 switch (mode) {
659 case LIST_ARTISTS:
660 screen_find(browser.lw, artist_list->len,
661 cmd, artist_lw_callback, artist_list);
662 artist_repaint();
663 return true;
665 case LIST_ALBUMS:
666 screen_find(browser.lw, album_list->len + 2,
667 cmd, artist_lw_callback, album_list);
668 artist_repaint();
669 return true;
671 case LIST_SONGS:
672 /* handled by browser_cmd() */
673 break;
674 }
675 case CMD_LIST_JUMP:
676 switch (mode) {
677 case LIST_ARTISTS:
678 screen_jump(browser.lw, artist_lw_callback, artist_list);
679 artist_repaint();
680 return true;
682 case LIST_ALBUMS:
683 screen_jump(browser.lw, artist_lw_callback, album_list);
684 artist_repaint();
685 return true;
687 case LIST_SONGS:
688 /* handled by browser_cmd() */
689 break;
690 }
692 break;
694 default:
695 break;
696 }
698 if (artist_lw_cmd(c, cmd)) {
699 if (screen_is_visible(&screen_artist))
700 artist_repaint();
701 return true;
702 }
704 return false;
705 }
707 const struct screen_functions screen_artist = {
708 .init = init,
709 .exit = quit,
710 .open = open,
711 .resize = resize,
712 .paint = paint,
713 .cmd = artist_cmd,
714 .get_title = get_title,
715 };