847bed045286f3a73c3dc3d0d193ded91751a6f5
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, 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 assert(idx < list->len);
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 void
106 string_array_free(GPtrArray *array)
107 {
108 unsigned i;
110 for (i = 0; i < array->len; ++i) {
111 char *value = g_ptr_array_index(array, i);
112 g_free(value);
113 }
115 g_ptr_array_free(array, TRUE);
116 }
118 static void
119 free_lists(void)
120 {
121 if (artist_list != NULL) {
122 string_array_free(artist_list);
123 artist_list = NULL;
124 }
126 if (album_list != NULL) {
127 string_array_free(album_list);
128 album_list = NULL;
129 }
131 if (browser.filelist) {
132 filelist_free(browser.filelist);
133 browser.filelist = NULL;
134 }
135 }
137 static void
138 recv_tag_values(struct mpd_connection *connection, enum mpd_tag_type tag,
139 GPtrArray *list)
140 {
141 struct mpd_pair *pair;
143 while ((pair = mpd_recv_pair_tag(connection, tag)) != NULL) {
144 g_ptr_array_add(list, g_strdup(pair->value));
145 mpd_return_pair(connection, pair);
146 }
147 }
149 static void
150 load_artist_list(struct mpdclient *c)
151 {
152 struct mpd_connection *connection = mpdclient_get_connection(c);
154 assert(mode == LIST_ARTISTS);
155 assert(artist == NULL);
156 assert(album == NULL);
157 assert(artist_list == NULL);
158 assert(album_list == NULL);
159 assert(browser.filelist == NULL);
161 artist_list = g_ptr_array_new();
163 if (connection != NULL) {
164 mpd_search_db_tags(connection, MPD_TAG_ARTIST);
165 mpd_search_commit(connection);
166 recv_tag_values(connection, MPD_TAG_ARTIST, artist_list);
168 if (!mpd_response_finish(connection))
169 mpdclient_handle_error(c);
170 }
172 /* sort list */
173 g_ptr_array_sort(artist_list, compare_utf8);
174 list_window_set_length(browser.lw, artist_list->len);
175 }
177 static void
178 load_album_list(struct mpdclient *c)
179 {
180 struct mpd_connection *connection = mpdclient_get_connection(c);
182 assert(mode == LIST_ALBUMS);
183 assert(artist != NULL);
184 assert(album == NULL);
185 assert(album_list == NULL);
186 assert(browser.filelist == NULL);
188 album_list = g_ptr_array_new();
190 if (connection != NULL) {
191 mpd_search_db_tags(connection, MPD_TAG_ALBUM);
192 mpd_search_add_tag_constraint(connection,
193 MPD_OPERATOR_DEFAULT,
194 MPD_TAG_ARTIST, artist);
195 mpd_search_commit(connection);
197 recv_tag_values(connection, MPD_TAG_ALBUM, album_list);
199 if (!mpd_response_finish(connection))
200 mpdclient_handle_error(c);
201 }
203 /* sort list */
204 g_ptr_array_sort(album_list, compare_utf8);
206 list_window_set_length(browser.lw, album_list->len + 2);
207 }
209 static void
210 load_song_list(struct mpdclient *c)
211 {
212 struct mpd_connection *connection = mpdclient_get_connection(c);
214 assert(mode == LIST_SONGS);
215 assert(artist != NULL);
216 assert(album != NULL);
217 assert(browser.filelist == NULL);
219 mpd_search_db_songs(connection, true);
220 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
221 MPD_TAG_ARTIST, artist);
222 if (album[0] != 0)
223 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
224 MPD_TAG_ALBUM, album);
225 mpd_search_commit(connection);
227 browser.filelist = filelist_new();
228 /* add a dummy entry for ".." */
229 filelist_append(browser.filelist, NULL);
231 filelist_recv(browser.filelist, connection);
233 if (!mpd_response_finish(connection))
234 mpdclient_handle_error(c);
236 #ifndef NCMPC_MINI
237 /* fix highlights */
238 screen_browser_sync_highlights(browser.filelist, &c->playlist);
239 #endif
240 list_window_set_length(browser.lw, filelist_length(browser.filelist));
241 }
243 static void
244 free_state(void)
245 {
246 g_free(artist);
247 g_free(album);
248 artist = NULL;
249 album = NULL;
251 free_lists();
252 }
254 static void
255 open_artist_list(struct mpdclient *c)
256 {
257 free_state();
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();
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();
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();
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 static void
310 screen_artist_init(WINDOW *w, int cols, int rows)
311 {
312 browser.lw = list_window_init(w, cols, rows);
313 artist = NULL;
314 album = NULL;
315 }
317 static void
318 screen_artist_quit(void)
319 {
320 free_state();
321 list_window_free(browser.lw);
322 }
324 static void
325 screen_artist_open(struct mpdclient *c)
326 {
327 if (artist_list == NULL && album_list == NULL &&
328 browser.filelist == NULL)
329 reload_lists(c);
330 }
332 static void
333 screen_artist_resize(int cols, int rows)
334 {
335 list_window_resize(browser.lw, cols, rows);
336 }
338 static void
339 screen_artist_paint(void)
340 {
341 if (browser.filelist) {
342 screen_browser_paint(&browser);
343 } else if (album_list != NULL)
344 list_window_paint(browser.lw, screen_artist_lw_callback,
345 album_list);
346 else if (artist_list != NULL)
347 list_window_paint(browser.lw, screen_artist_lw_callback,
348 artist_list);
349 else {
350 wmove(browser.lw->w, 0, 0);
351 wclrtobot(browser.lw->w);
352 }
353 }
355 static const char *
356 screen_artist_get_title(char *str, size_t size)
357 {
358 char *s1, *s2;
360 switch(mode) {
361 case LIST_ARTISTS:
362 g_snprintf(str, size, _("All artists"));
363 break;
365 case LIST_ALBUMS:
366 s1 = utf8_to_locale(artist);
367 g_snprintf(str, size, _("Albums of artist: %s"), s1);
368 g_free(s1);
369 break;
371 case LIST_SONGS:
372 s1 = utf8_to_locale(artist);
373 if (*album != 0) {
374 s2 = utf8_to_locale(album);
375 g_snprintf(str, size,
376 _("Album: %s - %s"), s1, s2);
377 g_free(s2);
378 } else
379 g_snprintf(str, size,
380 _("All tracks of artist: %s"), s1);
381 g_free(s1);
382 break;
383 }
385 return str;
386 }
388 static void
389 screen_artist_update(struct mpdclient *c)
390 {
391 if (browser.filelist == NULL)
392 return;
394 if (c->events & MPD_IDLE_DATABASE)
395 /* the db has changed -> update the list */
396 reload_lists(c);
398 #ifndef NCMPC_MINI
399 if (c->events & (MPD_IDLE_DATABASE | MPD_IDLE_PLAYLIST))
400 screen_browser_sync_highlights(browser.filelist, &c->playlist);
401 #endif
403 if (c->events & (MPD_IDLE_DATABASE
404 #ifndef NCMPC_MINI
405 | MPD_IDLE_PLAYLIST
406 #endif
407 ))
408 artist_repaint();
409 }
411 static void
412 add_query(struct mpdclient *c, enum mpd_tag_type table, char *_filter)
413 {
414 struct mpd_connection *connection = mpdclient_get_connection(c);
415 char *str;
416 struct filelist *addlist;
418 assert(filter != NULL);
420 str = utf8_to_locale(_filter);
421 if (table == MPD_TAG_ALBUM)
422 screen_status_printf("Adding album %s...", str);
423 else
424 screen_status_printf("Adding %s...", str);
425 g_free(str);
427 mpd_search_db_songs(connection, true);
428 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
429 table, _filter);
430 mpd_search_commit(connection);
432 addlist = filelist_new_recv(connection);
434 if (mpd_response_finish(connection))
435 mpdclient_filelist_add_all(c, addlist);
436 else
437 mpdclient_handle_error(c);
439 filelist_free(addlist);
440 }
442 static int
443 screen_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, 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 screen_artist_cmd(struct mpdclient *c, command_t cmd)
473 {
474 struct list_window_range range;
475 char *selected;
476 char *old;
477 int idx;
479 switch(cmd) {
480 case CMD_PLAY:
481 switch (mode) {
482 case LIST_ARTISTS:
483 if (browser.lw->selected >= artist_list->len)
484 return true;
486 selected = g_ptr_array_index(artist_list,
487 browser.lw->selected);
488 open_album_list(c, g_strdup(selected));
489 list_window_reset(browser.lw);
491 artist_repaint();
492 return true;
494 case LIST_ALBUMS:
495 if (browser.lw->selected == 0) {
496 /* handle ".." */
497 old = g_strdup(artist);
499 open_artist_list(c);
500 list_window_reset(browser.lw);
501 /* restore previous list window state */
502 idx = string_array_find(artist_list, old);
503 g_free(old);
505 if (idx >= 0) {
506 list_window_set_cursor(browser.lw, idx);
507 list_window_center(browser.lw, idx);
508 }
509 } else if (browser.lw->selected == album_list->len + 1) {
510 /* handle "show all" */
511 open_song_list(c, g_strdup(artist), g_strdup("\0"));
512 list_window_reset(browser.lw);
513 } else {
514 /* select album */
515 selected = g_ptr_array_index(album_list,
516 browser.lw->selected - 1);
517 open_song_list(c, g_strdup(artist), g_strdup(selected));
518 list_window_reset(browser.lw);
519 }
521 artist_repaint();
522 return true;
524 case LIST_SONGS:
525 if (browser.lw->selected == 0) {
526 /* handle ".." */
527 old = g_strdup(album);
529 open_album_list(c, g_strdup(artist));
530 list_window_reset(browser.lw);
531 /* restore previous list window state */
532 idx = *old == 0
533 ? (int)album_list->len
534 : string_array_find(album_list, old);
535 g_free(old);
537 if (idx >= 0) {
538 ++idx;
539 list_window_set_cursor(browser.lw, idx);
540 list_window_center(browser.lw, idx);
541 }
543 artist_repaint();
544 return true;
545 }
546 break;
547 }
548 break;
550 /* FIXME? CMD_GO_* handling duplicates code from CMD_PLAY */
552 case CMD_GO_PARENT_DIRECTORY:
553 switch (mode) {
554 case LIST_ARTISTS:
555 break;
557 case LIST_ALBUMS:
558 old = g_strdup(artist);
560 open_artist_list(c);
561 list_window_reset(browser.lw);
562 /* restore previous list window state */
563 idx = string_array_find(artist_list, old);
564 g_free(old);
566 if (idx >= 0) {
567 list_window_set_cursor(browser.lw, idx);
568 list_window_center(browser.lw, idx);
569 }
570 break;
572 case LIST_SONGS:
573 old = g_strdup(album);
575 open_album_list(c, g_strdup(artist));
576 list_window_reset(browser.lw);
577 /* restore previous list window state */
578 idx = *old == 0
579 ? (int)album_list->len
580 : string_array_find(album_list, old);
581 g_free(old);
583 if (idx >= 0) {
584 ++idx;
585 list_window_set_cursor(browser.lw, idx);
586 list_window_center(browser.lw, 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 if (browser.lw->selected >= artist_list->len)
616 return true;
618 list_window_get_range(browser.lw, &range);
619 for (unsigned i = range.start; i < range.end; ++i) {
620 selected = g_ptr_array_index(artist_list, i);
621 add_query(c, MPD_TAG_ARTIST, selected);
622 cmd = CMD_LIST_NEXT; /* continue and select next item... */
623 }
624 break;
626 case LIST_ALBUMS:
627 list_window_get_range(browser.lw, &range);
628 for (unsigned i = range.start; i < range.end; ++i) {
629 if(i == album_list->len + 1)
630 add_query(c, MPD_TAG_ARTIST, artist);
631 else if (i > 0)
632 {
633 selected = g_ptr_array_index(album_list,
634 browser.lw->selected - 1);
635 add_query(c, MPD_TAG_ALBUM, selected);
636 cmd = CMD_LIST_NEXT; /* continue and select next item... */
637 }
638 }
639 break;
641 case LIST_SONGS:
642 /* handled by browser_cmd() */
643 break;
644 }
645 break;
647 /* continue and update... */
648 case CMD_SCREEN_UPDATE:
649 reload_lists(c);
650 return false;
652 case CMD_LIST_FIND:
653 case CMD_LIST_RFIND:
654 case CMD_LIST_FIND_NEXT:
655 case CMD_LIST_RFIND_NEXT:
656 switch (mode) {
657 case LIST_ARTISTS:
658 screen_find(browser.lw, cmd,
659 screen_artist_lw_callback, artist_list);
660 artist_repaint();
661 return true;
663 case LIST_ALBUMS:
664 screen_find(browser.lw, cmd,
665 screen_artist_lw_callback, album_list);
666 artist_repaint();
667 return true;
669 case LIST_SONGS:
670 /* handled by browser_cmd() */
671 break;
672 }
673 case CMD_LIST_JUMP:
674 switch (mode) {
675 case LIST_ARTISTS:
676 screen_jump(browser.lw, screen_artist_lw_callback,
677 NULL, artist_list);
678 artist_repaint();
679 return true;
681 case LIST_ALBUMS:
682 screen_jump(browser.lw, screen_artist_lw_callback,
683 NULL, 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 (screen_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 = screen_artist_init,
709 .exit = screen_artist_quit,
710 .open = screen_artist_open,
711 .resize = screen_artist_resize,
712 .paint = screen_artist_paint,
713 .update = screen_artist_update,
714 .cmd = screen_artist_cmd,
715 .get_title = screen_artist_get_title,
716 };