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 "screen_artist.h"
21 #include "screen_interface.h"
22 #include "screen_message.h"
23 #include "screen_find.h"
24 #include "screen.h"
25 #include "i18n.h"
26 #include "charset.h"
27 #include "mpdclient.h"
28 #include "screen_browser.h"
29 #include "filelist.h"
31 #include <assert.h>
32 #include <string.h>
33 #include <glib.h>
35 #define BUFSIZE 1024
37 typedef enum { LIST_ARTISTS, LIST_ALBUMS, LIST_SONGS } artist_mode_t;
39 static artist_mode_t mode = LIST_ARTISTS;
40 static GPtrArray *artist_list, *album_list;
41 static char *artist = NULL;
42 static char *album = NULL;
44 static struct screen_browser browser;
46 static gint
47 compare_utf8(gconstpointer s1, gconstpointer s2)
48 {
49 char *key1, *key2;
50 int n;
52 key1 = g_utf8_collate_key(s1,-1);
53 key2 = g_utf8_collate_key(s2,-1);
54 n = strcmp(key1,key2);
55 g_free(key1);
56 g_free(key2);
57 return n;
58 }
60 /* list_window callback */
61 static const char *
62 screen_artist_lw_callback(unsigned idx, G_GNUC_UNUSED bool *highlight,
63 G_GNUC_UNUSED char** sc, G_GNUC_UNUSED void *data)
64 {
65 GPtrArray *list = data;
66 static char buf[BUFSIZE];
67 char *str, *str_utf8;
69 if (mode == LIST_ALBUMS) {
70 if (idx == 0)
71 return "[..]";
72 else if (idx == list->len + 1) {
73 str = utf8_to_locale(_("All tracks"));
74 g_snprintf(buf, BUFSIZE, "[%s]", str);
75 g_free(str);
76 return buf;
77 }
79 --idx;
80 }
82 if (idx >= list->len)
83 return NULL;
85 str_utf8 = g_ptr_array_index(list, idx);
86 assert(str_utf8 != NULL);
88 str = utf8_to_locale(str_utf8);
89 g_snprintf(buf, BUFSIZE, "[%s]", str);
90 g_free(str);
92 return buf;
93 }
95 static void
96 screen_artist_paint(void);
98 static void
99 artist_repaint(void)
100 {
101 screen_artist_paint();
102 wrefresh(browser.lw->w);
103 }
105 static GPtrArray *
106 g_list_to_ptr_array(GList *in)
107 {
108 GPtrArray *out = g_ptr_array_sized_new(g_list_length(in));
109 GList *head = in;
111 while (in != NULL) {
112 g_ptr_array_add(out, in->data);
113 in = g_list_next(in);
114 }
116 g_list_free(head);
117 return out;
118 }
120 static void
121 string_array_free(GPtrArray *array)
122 {
123 unsigned i;
125 for (i = 0; i < array->len; ++i) {
126 char *value = g_ptr_array_index(array, i);
127 g_free(value);
128 }
130 g_ptr_array_free(array, TRUE);
131 }
133 static void
134 free_lists(G_GNUC_UNUSED struct mpdclient *c)
135 {
136 if (artist_list != NULL) {
137 string_array_free(artist_list);
138 artist_list = NULL;
139 }
141 if (album_list != NULL) {
142 string_array_free(album_list);
143 album_list = NULL;
144 }
146 if (browser.filelist) {
147 filelist_free(browser.filelist);
148 browser.filelist = NULL;
149 }
150 }
152 static void
153 load_artist_list(struct mpdclient *c)
154 {
155 GList *list;
157 assert(mode == LIST_ARTISTS);
158 assert(artist == NULL);
159 assert(album == NULL);
160 assert(artist_list == NULL);
161 assert(album_list == NULL);
162 assert(browser.filelist == NULL);
164 list = mpdclient_get_artists(c);
165 /* sort list */
166 list = g_list_sort(list, compare_utf8);
168 artist_list = g_list_to_ptr_array(list);
169 }
171 static void
172 load_album_list(struct mpdclient *c)
173 {
174 GList *list;
176 assert(mode == LIST_ALBUMS);
177 assert(artist != NULL);
178 assert(album == NULL);
179 assert(album_list == NULL);
180 assert(browser.filelist == NULL);
182 list = mpdclient_get_albums(c, artist);
183 /* sort list */
184 list = g_list_sort(list, compare_utf8);
186 album_list = g_list_to_ptr_array(list);
187 }
189 static void
190 load_song_list(struct mpdclient *c)
191 {
192 struct mpd_connection *connection = c->connection;
194 assert(mode == LIST_SONGS);
195 assert(artist != NULL);
196 assert(album != NULL);
197 assert(browser.filelist == NULL);
199 mpd_search_db_songs(connection, true);
200 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
201 MPD_TAG_ARTIST, artist);
202 if (album[0] != 0)
203 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
204 MPD_TAG_ALBUM, album);
205 mpd_search_commit(connection);
207 browser.filelist = filelist_new_recv(connection);
209 if (!mpd_response_finish(connection))
210 mpdclient_handle_error(c);
212 /* add a dummy entry for ".." */
213 filelist_prepend(browser.filelist, NULL);
215 #ifndef NCMPC_MINI
216 /* fix highlights */
217 screen_browser_sync_highlights(browser.filelist, &c->playlist);
218 #endif
219 }
221 static void
222 free_state(struct mpdclient *c)
223 {
224 g_free(artist);
225 g_free(album);
226 artist = NULL;
227 album = NULL;
229 free_lists(c);
230 }
232 static void
233 open_artist_list(struct mpdclient *c)
234 {
235 free_state(c);
237 mode = LIST_ARTISTS;
238 load_artist_list(c);
239 }
241 static void
242 open_album_list(struct mpdclient *c, char *_artist)
243 {
244 assert(_artist != NULL);
246 free_state(c);
248 mode = LIST_ALBUMS;
249 artist = _artist;
250 load_album_list(c);
251 }
253 static void
254 open_song_list(struct mpdclient *c, char *_artist, char *_album)
255 {
256 assert(_artist != NULL);
257 assert(_album != NULL);
259 free_state(c);
261 mode = LIST_SONGS;
262 artist = _artist;
263 album = _album;
264 load_song_list(c);
265 }
267 static void
268 reload_lists(struct mpdclient *c)
269 {
270 free_lists(c);
272 switch (mode) {
273 case LIST_ARTISTS:
274 load_artist_list(c);
275 break;
277 case LIST_ALBUMS:
278 load_album_list(c);
279 break;
281 case LIST_SONGS:
282 load_song_list(c);
283 break;
284 }
285 }
287 static void
288 screen_artist_init(WINDOW *w, int cols, int rows)
289 {
290 browser.lw = list_window_init(w, cols, rows);
291 artist = NULL;
292 album = NULL;
293 }
295 static void
296 screen_artist_quit(void)
297 {
298 free_state(NULL);
299 list_window_free(browser.lw);
300 }
302 static void
303 screen_artist_open(struct mpdclient *c)
304 {
305 if (artist_list == NULL && album_list == NULL &&
306 browser.filelist == NULL)
307 reload_lists(c);
308 }
310 static void
311 screen_artist_resize(int cols, int rows)
312 {
313 browser.lw->cols = cols;
314 browser.lw->rows = rows;
315 }
317 static void
318 screen_artist_paint(void)
319 {
320 if (browser.filelist) {
321 list_window_paint(browser.lw, browser_lw_callback,
322 browser.filelist);
323 } else if (album_list != NULL)
324 list_window_paint(browser.lw, screen_artist_lw_callback,
325 album_list);
326 else if (artist_list != NULL)
327 list_window_paint(browser.lw, screen_artist_lw_callback,
328 artist_list);
329 else {
330 wmove(browser.lw->w, 0, 0);
331 wclrtobot(browser.lw->w);
332 }
333 }
335 static const char *
336 screen_artist_get_title(char *str, size_t size)
337 {
338 char *s1, *s2;
340 switch(mode) {
341 case LIST_ARTISTS:
342 g_snprintf(str, size, _("All artists"));
343 break;
345 case LIST_ALBUMS:
346 s1 = utf8_to_locale(artist);
347 g_snprintf(str, size, _("Albums of artist: %s"), s1);
348 g_free(s1);
349 break;
351 case LIST_SONGS:
352 s1 = utf8_to_locale(artist);
353 if (*album != 0) {
354 s2 = utf8_to_locale(album);
355 g_snprintf(str, size,
356 _("Album: %s - %s"), s1, s2);
357 g_free(s2);
358 } else
359 g_snprintf(str, size,
360 _("All tracks of artist: %s"), s1);
361 g_free(s1);
362 break;
363 }
365 return str;
366 }
368 static void
369 screen_artist_update(struct mpdclient *c)
370 {
371 if (browser.filelist == NULL)
372 return;
374 if (c->events & MPD_IDLE_DATABASE)
375 /* the db has changed -> update the list */
376 reload_lists(c);
378 #ifndef NCMPC_MINI
379 if (c->events & (MPD_IDLE_DATABASE | MPD_IDLE_PLAYLIST))
380 screen_browser_sync_highlights(browser.filelist, &c->playlist);
381 #endif
383 if (c->events & (MPD_IDLE_DATABASE
384 #ifndef NCMPC_MINI
385 | MPD_IDLE_PLAYLIST
386 #endif
387 ))
388 artist_repaint();
389 }
391 static void
392 add_query(struct mpdclient *c, enum mpd_tag_type table, char *_filter)
393 {
394 struct mpd_connection *connection = c->connection;
395 char *str;
396 struct filelist *addlist;
398 assert(filter != NULL);
400 str = utf8_to_locale(_filter);
401 if (table == MPD_TAG_ALBUM)
402 screen_status_printf("Adding album %s...", str);
403 else
404 screen_status_printf("Adding %s...", str);
405 g_free(str);
407 mpd_search_db_songs(connection, true);
408 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
409 table, _filter);
410 mpd_search_commit(connection);
412 addlist = filelist_new_recv(connection);
414 if (mpd_response_finish(connection))
415 mpdclient_filelist_add_all(c, addlist);
416 else
417 mpdclient_handle_error(c);
419 filelist_free(addlist);
420 }
422 static unsigned
423 metalist_length(void)
424 {
425 assert(mode != LIST_ARTISTS || artist_list != NULL);
426 assert(mode != LIST_ALBUMS || album_list != NULL);
428 return mode == LIST_ALBUMS
429 ? album_list->len + 2
430 : artist_list->len;
431 }
433 static int
434 screen_artist_lw_cmd(struct mpdclient *c, command_t cmd)
435 {
436 switch (mode) {
437 case LIST_ARTISTS:
438 case LIST_ALBUMS:
439 return list_window_cmd(browser.lw, metalist_length(), cmd);
441 case LIST_SONGS:
442 return browser_cmd(&browser, c, cmd);
443 }
445 assert(0);
446 return 0;
447 }
449 static int
450 string_array_find(GPtrArray *array, const char *value)
451 {
452 guint i;
454 for (i = 0; i < array->len; ++i)
455 if (strcmp((const char*)g_ptr_array_index(array, i),
456 value) == 0)
457 return i;
459 return -1;
460 }
462 static bool
463 screen_artist_cmd(struct mpdclient *c, command_t cmd)
464 {
465 char *selected;
466 char *old;
467 int idx;
469 switch(cmd) {
470 case CMD_PLAY:
471 switch (mode) {
472 case LIST_ARTISTS:
473 if (browser.lw->selected >= artist_list->len)
474 return true;
476 selected = g_ptr_array_index(artist_list,
477 browser.lw->selected);
478 open_album_list(c, g_strdup(selected));
479 list_window_reset(browser.lw);
481 artist_repaint();
482 return true;
484 case LIST_ALBUMS:
485 if (browser.lw->selected == 0) {
486 /* handle ".." */
487 old = g_strdup(artist);
489 open_artist_list(c);
490 list_window_reset(browser.lw);
491 /* restore previous list window state */
492 idx = string_array_find(artist_list, old);
493 g_free(old);
495 if (idx >= 0) {
496 list_window_set_selected(browser.lw, idx);
497 list_window_center(browser.lw,
498 artist_list->len, idx);
499 }
500 } else if (browser.lw->selected == album_list->len + 1) {
501 /* handle "show all" */
502 open_song_list(c, g_strdup(artist), g_strdup("\0"));
503 list_window_reset(browser.lw);
504 } else {
505 /* select album */
506 selected = g_ptr_array_index(album_list,
507 browser.lw->selected - 1);
508 open_song_list(c, g_strdup(artist), g_strdup(selected));
509 list_window_reset(browser.lw);
510 }
512 artist_repaint();
513 return true;
515 case LIST_SONGS:
516 if (browser.lw->selected == 0) {
517 /* handle ".." */
518 old = g_strdup(album);
520 open_album_list(c, g_strdup(artist));
521 list_window_reset(browser.lw);
522 /* restore previous list window state */
523 idx = *old == 0
524 ? (int)album_list->len
525 : string_array_find(album_list, old);
526 g_free(old);
528 if (idx >= 0) {
529 ++idx;
530 list_window_set_selected(browser.lw, idx);
531 list_window_center(browser.lw,
532 album_list->len, idx);
533 }
535 artist_repaint();
536 return true;
537 }
538 break;
539 }
540 break;
542 /* FIXME? CMD_GO_* handling duplicates code from CMD_PLAY */
544 case CMD_GO_PARENT_DIRECTORY:
545 switch (mode) {
546 case LIST_ARTISTS:
547 break;
549 case LIST_ALBUMS:
550 old = g_strdup(artist);
552 open_artist_list(c);
553 list_window_reset(browser.lw);
554 /* restore previous list window state */
555 idx = string_array_find(artist_list, old);
556 g_free(old);
558 if (idx >= 0) {
559 list_window_set_selected(browser.lw, idx);
560 list_window_center(browser.lw,
561 artist_list->len, idx);
562 }
563 break;
565 case LIST_SONGS:
566 old = g_strdup(album);
568 open_album_list(c, g_strdup(artist));
569 list_window_reset(browser.lw);
570 /* restore previous list window state */
571 idx = *old == 0
572 ? (int)album_list->len
573 : string_array_find(album_list, old);
574 g_free(old);
576 if (idx >= 0) {
577 ++idx;
578 list_window_set_selected(browser.lw, idx);
579 list_window_center(browser.lw,
580 album_list->len, idx);
581 }
582 break;
583 }
585 artist_repaint();
586 break;
588 case CMD_GO_ROOT_DIRECTORY:
589 switch (mode) {
590 case LIST_ARTISTS:
591 break;
593 case LIST_ALBUMS:
594 case LIST_SONGS:
595 open_artist_list(c);
596 list_window_reset(browser.lw);
597 /* restore first list window state (pop while returning true) */
598 /* XXX */
599 break;
600 }
602 artist_repaint();
603 break;
605 case CMD_SELECT:
606 case CMD_ADD:
607 switch(mode) {
608 case LIST_ARTISTS:
609 if (browser.lw->selected >= artist_list->len)
610 return true;
612 for (unsigned i = browser.lw->selected_start;
613 i <= browser.lw->selected_end; ++i) {
614 selected = g_ptr_array_index(artist_list, i);
615 add_query(c, MPD_TAG_ARTIST, selected);
616 cmd = CMD_LIST_NEXT; /* continue and select next item... */
617 }
618 break;
620 case LIST_ALBUMS:
621 for (unsigned i = browser.lw->selected_start;
622 i <= browser.lw->selected_end; ++i) {
623 if(i == album_list->len + 1)
624 add_query(c, MPD_TAG_ARTIST, artist);
625 else if (i > 0)
626 {
627 selected = g_ptr_array_index(album_list,
628 browser.lw->selected - 1);
629 add_query(c, MPD_TAG_ALBUM, selected);
630 cmd = CMD_LIST_NEXT; /* continue and select next item... */
631 }
632 }
633 break;
635 case LIST_SONGS:
636 /* handled by browser_cmd() */
637 break;
638 }
639 break;
641 /* continue and update... */
642 case CMD_SCREEN_UPDATE:
643 reload_lists(c);
644 return false;
646 case CMD_LIST_FIND:
647 case CMD_LIST_RFIND:
648 case CMD_LIST_FIND_NEXT:
649 case CMD_LIST_RFIND_NEXT:
650 switch (mode) {
651 case LIST_ARTISTS:
652 screen_find(browser.lw, artist_list->len,
653 cmd, screen_artist_lw_callback,
654 artist_list);
655 artist_repaint();
656 return true;
658 case LIST_ALBUMS:
659 screen_find(browser.lw, album_list->len + 2,
660 cmd, screen_artist_lw_callback,
661 album_list);
662 artist_repaint();
663 return true;
665 case LIST_SONGS:
666 /* handled by browser_cmd() */
667 break;
668 }
669 case CMD_LIST_JUMP:
670 switch (mode) {
671 case LIST_ARTISTS:
672 screen_jump(browser.lw, screen_artist_lw_callback,
673 artist_list);
674 artist_repaint();
675 return true;
677 case LIST_ALBUMS:
678 screen_jump(browser.lw, screen_artist_lw_callback,
679 album_list);
680 artist_repaint();
681 return true;
683 case LIST_SONGS:
684 /* handled by browser_cmd() */
685 break;
686 }
688 break;
690 default:
691 break;
692 }
694 if (screen_artist_lw_cmd(c, cmd)) {
695 if (screen_is_visible(&screen_artist))
696 artist_repaint();
697 return true;
698 }
700 return false;
701 }
703 const struct screen_functions screen_artist = {
704 .init = screen_artist_init,
705 .exit = screen_artist_quit,
706 .open = screen_artist_open,
707 .resize = screen_artist_resize,
708 .paint = screen_artist_paint,
709 .update = screen_artist_update,
710 .cmd = screen_artist_cmd,
711 .get_title = screen_artist_get_title,
712 };