31ff1c731ee23aa0062ee427381a531ecd681ab5
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 const char *const*t1 = s1, *const*t2 = s2;
50 char *key1, *key2;
51 int n;
53 key1 = g_utf8_collate_key(*t1,-1);
54 key2 = g_utf8_collate_key(*t2,-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 screen_artist_lw_callback(unsigned idx, 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 g_snprintf(buf, BUFSIZE, "[%s]", _("All tracks"));
74 return buf;
75 }
77 --idx;
78 }
80 assert(idx < list->len);
82 str_utf8 = g_ptr_array_index(list, idx);
83 assert(str_utf8 != NULL);
85 str = utf8_to_locale(str_utf8);
86 g_snprintf(buf, BUFSIZE, "[%s]", str);
87 g_free(str);
89 return buf;
90 }
92 static void
93 screen_artist_paint(void);
95 static void
96 artist_repaint(void)
97 {
98 screen_artist_paint();
99 wrefresh(browser.lw->w);
100 }
102 static void
103 string_array_free(GPtrArray *array)
104 {
105 unsigned i;
107 for (i = 0; i < array->len; ++i) {
108 char *value = g_ptr_array_index(array, i);
109 g_free(value);
110 }
112 g_ptr_array_free(array, TRUE);
113 }
115 static void
116 free_lists(void)
117 {
118 if (artist_list != NULL) {
119 string_array_free(artist_list);
120 artist_list = NULL;
121 }
123 if (album_list != NULL) {
124 string_array_free(album_list);
125 album_list = NULL;
126 }
128 if (browser.filelist) {
129 filelist_free(browser.filelist);
130 browser.filelist = NULL;
131 }
132 }
134 static void
135 recv_tag_values(struct mpd_connection *connection, enum mpd_tag_type tag,
136 GPtrArray *list)
137 {
138 struct mpd_pair *pair;
140 while ((pair = mpd_recv_pair_tag(connection, tag)) != NULL) {
141 g_ptr_array_add(list, g_strdup(pair->value));
142 mpd_return_pair(connection, pair);
143 }
144 }
146 static void
147 load_artist_list(struct mpdclient *c)
148 {
149 struct mpd_connection *connection = mpdclient_get_connection(c);
151 assert(mode == LIST_ARTISTS);
152 assert(artist == NULL);
153 assert(album == NULL);
154 assert(artist_list == NULL);
155 assert(album_list == NULL);
156 assert(browser.filelist == NULL);
158 artist_list = g_ptr_array_new();
160 if (connection != NULL) {
161 mpd_search_db_tags(connection, MPD_TAG_ARTIST);
162 mpd_search_commit(connection);
163 recv_tag_values(connection, MPD_TAG_ARTIST, artist_list);
165 if (!mpd_response_finish(connection))
166 mpdclient_handle_error(c);
167 }
169 /* sort list */
170 g_ptr_array_sort(artist_list, compare_utf8);
171 list_window_set_length(browser.lw, artist_list->len);
172 }
174 static void
175 load_album_list(struct mpdclient *c)
176 {
177 struct mpd_connection *connection = mpdclient_get_connection(c);
179 assert(mode == LIST_ALBUMS);
180 assert(artist != NULL);
181 assert(album == NULL);
182 assert(album_list == NULL);
183 assert(browser.filelist == NULL);
185 album_list = g_ptr_array_new();
187 if (connection != NULL) {
188 mpd_search_db_tags(connection, MPD_TAG_ALBUM);
189 mpd_search_add_tag_constraint(connection,
190 MPD_OPERATOR_DEFAULT,
191 MPD_TAG_ARTIST, artist);
192 mpd_search_commit(connection);
194 recv_tag_values(connection, MPD_TAG_ALBUM, album_list);
196 if (!mpd_response_finish(connection))
197 mpdclient_handle_error(c);
198 }
200 /* sort list */
201 g_ptr_array_sort(album_list, compare_utf8);
203 list_window_set_length(browser.lw, album_list->len + 2);
204 }
206 static void
207 load_song_list(struct mpdclient *c)
208 {
209 struct mpd_connection *connection = mpdclient_get_connection(c);
211 assert(mode == LIST_SONGS);
212 assert(artist != NULL);
213 assert(album != NULL);
214 assert(browser.filelist == NULL);
216 browser.filelist = filelist_new();
217 /* add a dummy entry for ".." */
218 filelist_append(browser.filelist, NULL);
220 if (connection != NULL) {
221 mpd_search_db_songs(connection, true);
222 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
223 MPD_TAG_ARTIST, artist);
224 if (album[0] != 0)
225 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
226 MPD_TAG_ALBUM, album);
227 mpd_search_commit(connection);
229 filelist_recv(browser.filelist, connection);
231 if (!mpd_response_finish(connection))
232 mpdclient_handle_error(c);
233 }
235 /* fix highlights */
236 screen_browser_sync_highlights(browser.filelist, &c->playlist);
237 list_window_set_length(browser.lw, filelist_length(browser.filelist));
238 }
240 static void
241 free_state(void)
242 {
243 g_free(artist);
244 g_free(album);
245 artist = NULL;
246 album = NULL;
248 free_lists();
249 }
251 static void
252 open_artist_list(struct mpdclient *c)
253 {
254 free_state();
256 mode = LIST_ARTISTS;
257 load_artist_list(c);
258 }
260 static void
261 open_album_list(struct mpdclient *c, char *_artist)
262 {
263 assert(_artist != NULL);
265 free_state();
267 mode = LIST_ALBUMS;
268 artist = _artist;
269 load_album_list(c);
270 }
272 static void
273 open_song_list(struct mpdclient *c, char *_artist, char *_album)
274 {
275 assert(_artist != NULL);
276 assert(_album != NULL);
278 free_state();
280 mode = LIST_SONGS;
281 artist = _artist;
282 album = _album;
283 load_song_list(c);
284 }
286 static void
287 reload_lists(struct mpdclient *c)
288 {
289 free_lists();
291 switch (mode) {
292 case LIST_ARTISTS:
293 load_artist_list(c);
294 break;
296 case LIST_ALBUMS:
297 load_album_list(c);
298 break;
300 case LIST_SONGS:
301 load_song_list(c);
302 break;
303 }
304 }
306 static void
307 screen_artist_init(WINDOW *w, int cols, int rows)
308 {
309 browser.lw = list_window_init(w, cols, rows);
310 artist = NULL;
311 album = NULL;
312 }
314 static void
315 screen_artist_quit(void)
316 {
317 free_state();
318 list_window_free(browser.lw);
319 }
321 static void
322 screen_artist_open(struct mpdclient *c)
323 {
324 if (artist_list == NULL && album_list == NULL &&
325 browser.filelist == NULL)
326 reload_lists(c);
327 }
329 static void
330 screen_artist_resize(int cols, int rows)
331 {
332 list_window_resize(browser.lw, cols, rows);
333 }
335 static void
336 screen_artist_paint(void)
337 {
338 if (browser.filelist) {
339 screen_browser_paint(&browser);
340 } else if (album_list != NULL)
341 list_window_paint(browser.lw, screen_artist_lw_callback,
342 album_list);
343 else if (artist_list != NULL)
344 list_window_paint(browser.lw, screen_artist_lw_callback,
345 artist_list);
346 else {
347 wmove(browser.lw->w, 0, 0);
348 wclrtobot(browser.lw->w);
349 }
350 }
352 static const char *
353 screen_artist_get_title(char *str, size_t size)
354 {
355 char *s1, *s2;
357 switch(mode) {
358 case LIST_ARTISTS:
359 g_snprintf(str, size, _("All artists"));
360 break;
362 case LIST_ALBUMS:
363 s1 = utf8_to_locale(artist);
364 g_snprintf(str, size, _("Albums of artist: %s"), s1);
365 g_free(s1);
366 break;
368 case LIST_SONGS:
369 s1 = utf8_to_locale(artist);
370 if (*album != 0) {
371 s2 = utf8_to_locale(album);
372 g_snprintf(str, size,
373 _("Album: %s - %s"), s1, s2);
374 g_free(s2);
375 } else
376 g_snprintf(str, size,
377 _("All tracks of artist: %s"), s1);
378 g_free(s1);
379 break;
380 }
382 return str;
383 }
385 static void
386 screen_artist_update(struct mpdclient *c)
387 {
388 if (browser.filelist == NULL)
389 return;
391 if (c->events & MPD_IDLE_DATABASE)
392 /* the db has changed -> update the list */
393 reload_lists(c);
395 if (c->events & (MPD_IDLE_DATABASE | MPD_IDLE_QUEUE))
396 screen_browser_sync_highlights(browser.filelist, &c->playlist);
398 if (c->events & (MPD_IDLE_DATABASE
399 #ifndef NCMPC_MINI
400 | MPD_IDLE_QUEUE
401 #endif
402 ))
403 artist_repaint();
404 }
406 static void
407 add_query(struct mpdclient *c, enum mpd_tag_type table, char *_filter)
408 {
409 struct mpd_connection *connection = mpdclient_get_connection(c);
410 char *str;
411 struct filelist *addlist;
413 assert(filter != NULL);
415 if (connection == NULL)
416 return;
418 str = utf8_to_locale(_filter);
419 if (table == MPD_TAG_ALBUM)
420 screen_status_printf("Adding album %s...", str);
421 else
422 screen_status_printf("Adding %s...", str);
423 g_free(str);
425 mpd_search_db_songs(connection, true);
426 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
427 table, _filter);
428 mpd_search_commit(connection);
430 addlist = filelist_new_recv(connection);
432 if (mpd_response_finish(connection))
433 mpdclient_filelist_add_all(c, addlist);
434 else
435 mpdclient_handle_error(c);
437 filelist_free(addlist);
438 }
440 static int
441 screen_artist_lw_cmd(struct mpdclient *c, command_t cmd)
442 {
443 switch (mode) {
444 case LIST_ARTISTS:
445 case LIST_ALBUMS:
446 return list_window_cmd(browser.lw, cmd);
448 case LIST_SONGS:
449 return browser_cmd(&browser, c, cmd);
450 }
452 assert(0);
453 return 0;
454 }
456 static int
457 string_array_find(GPtrArray *array, const char *value)
458 {
459 guint i;
461 for (i = 0; i < array->len; ++i)
462 if (strcmp((const char*)g_ptr_array_index(array, i),
463 value) == 0)
464 return i;
466 return -1;
467 }
469 static bool
470 screen_artist_cmd(struct mpdclient *c, command_t cmd)
471 {
472 struct list_window_range range;
473 char *selected;
474 char *old;
475 int idx;
477 switch(cmd) {
478 case CMD_PLAY:
479 switch (mode) {
480 case LIST_ARTISTS:
481 if (browser.lw->selected >= artist_list->len)
482 return true;
484 selected = g_ptr_array_index(artist_list,
485 browser.lw->selected);
486 open_album_list(c, g_strdup(selected));
487 list_window_reset(browser.lw);
489 artist_repaint();
490 return true;
492 case LIST_ALBUMS:
493 if (browser.lw->selected == 0) {
494 /* handle ".." */
495 old = g_strdup(artist);
497 open_artist_list(c);
498 list_window_reset(browser.lw);
499 /* restore previous list window state */
500 idx = string_array_find(artist_list, old);
501 g_free(old);
503 if (idx >= 0) {
504 list_window_set_cursor(browser.lw, idx);
505 list_window_center(browser.lw, idx);
506 }
507 } else if (browser.lw->selected == album_list->len + 1) {
508 /* handle "show all" */
509 open_song_list(c, g_strdup(artist), g_strdup("\0"));
510 list_window_reset(browser.lw);
511 } else {
512 /* select album */
513 selected = g_ptr_array_index(album_list,
514 browser.lw->selected - 1);
515 open_song_list(c, g_strdup(artist), g_strdup(selected));
516 list_window_reset(browser.lw);
517 }
519 artist_repaint();
520 return true;
522 case LIST_SONGS:
523 if (browser.lw->selected == 0) {
524 /* handle ".." */
525 old = g_strdup(album);
527 open_album_list(c, g_strdup(artist));
528 list_window_reset(browser.lw);
529 /* restore previous list window state */
530 idx = *old == 0
531 ? (int)album_list->len
532 : string_array_find(album_list, old);
533 g_free(old);
535 if (idx >= 0) {
536 ++idx;
537 list_window_set_cursor(browser.lw, idx);
538 list_window_center(browser.lw, 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_cursor(browser.lw, idx);
566 list_window_center(browser.lw, idx);
567 }
568 break;
570 case LIST_SONGS:
571 old = g_strdup(album);
573 open_album_list(c, g_strdup(artist));
574 list_window_reset(browser.lw);
575 /* restore previous list window state */
576 idx = *old == 0
577 ? (int)album_list->len
578 : string_array_find(album_list, old);
579 g_free(old);
581 if (idx >= 0) {
582 ++idx;
583 list_window_set_cursor(browser.lw, idx);
584 list_window_center(browser.lw, idx);
585 }
586 break;
587 }
589 artist_repaint();
590 break;
592 case CMD_GO_ROOT_DIRECTORY:
593 switch (mode) {
594 case LIST_ARTISTS:
595 break;
597 case LIST_ALBUMS:
598 case LIST_SONGS:
599 open_artist_list(c);
600 list_window_reset(browser.lw);
601 /* restore first list window state (pop while returning true) */
602 /* XXX */
603 break;
604 }
606 artist_repaint();
607 break;
609 case CMD_SELECT:
610 case CMD_ADD:
611 switch(mode) {
612 case LIST_ARTISTS:
613 if (browser.lw->selected >= artist_list->len)
614 return true;
616 list_window_get_range(browser.lw, &range);
617 for (unsigned i = range.start; i < range.end; ++i) {
618 selected = g_ptr_array_index(artist_list, i);
619 add_query(c, MPD_TAG_ARTIST, selected);
620 cmd = CMD_LIST_NEXT; /* continue and select next item... */
621 }
622 break;
624 case LIST_ALBUMS:
625 list_window_get_range(browser.lw, &range);
626 for (unsigned i = range.start; i < range.end; ++i) {
627 if(i == album_list->len + 1)
628 add_query(c, MPD_TAG_ARTIST, artist);
629 else if (i > 0)
630 {
631 selected = g_ptr_array_index(album_list,
632 browser.lw->selected - 1);
633 add_query(c, MPD_TAG_ALBUM, selected);
634 cmd = CMD_LIST_NEXT; /* continue and select next item... */
635 }
636 }
637 break;
639 case LIST_SONGS:
640 /* handled by browser_cmd() */
641 break;
642 }
643 break;
645 /* continue and update... */
646 case CMD_SCREEN_UPDATE:
647 reload_lists(c);
648 return false;
650 case CMD_LIST_FIND:
651 case CMD_LIST_RFIND:
652 case CMD_LIST_FIND_NEXT:
653 case CMD_LIST_RFIND_NEXT:
654 switch (mode) {
655 case LIST_ARTISTS:
656 screen_find(browser.lw, cmd,
657 screen_artist_lw_callback, artist_list);
658 artist_repaint();
659 return true;
661 case LIST_ALBUMS:
662 screen_find(browser.lw, cmd,
663 screen_artist_lw_callback, album_list);
664 artist_repaint();
665 return true;
667 case LIST_SONGS:
668 /* handled by browser_cmd() */
669 break;
670 }
671 case CMD_LIST_JUMP:
672 switch (mode) {
673 case LIST_ARTISTS:
674 screen_jump(browser.lw, screen_artist_lw_callback,
675 NULL, artist_list);
676 artist_repaint();
677 return true;
679 case LIST_ALBUMS:
680 screen_jump(browser.lw, screen_artist_lw_callback,
681 NULL, album_list);
682 artist_repaint();
683 return true;
685 case LIST_SONGS:
686 /* handled by browser_cmd() */
687 break;
688 }
690 break;
692 default:
693 break;
694 }
696 if (screen_artist_lw_cmd(c, cmd)) {
697 if (screen_is_visible(&screen_artist))
698 artist_repaint();
699 return true;
700 }
702 return false;
703 }
705 const struct screen_functions screen_artist = {
706 .init = screen_artist_init,
707 .exit = screen_artist_quit,
708 .open = screen_artist_open,
709 .resize = screen_artist_resize,
710 .paint = screen_artist_paint,
711 .update = screen_artist_update,
712 .cmd = screen_artist_cmd,
713 .get_title = screen_artist_get_title,
714 };