e4f301aa7dfc934204f5dc367e4ab03c45fb9796
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_browser.h"
25 #include "screen.h"
26 #include "i18n.h"
27 #include "charset.h"
28 #include "mpdclient.h"
29 #include "screen_browser.h"
30 #include "filelist.h"
32 #include <assert.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 const char *const*t1 = s1, *const*t2 = s2;
51 char *key1, *key2;
52 int n;
54 key1 = g_utf8_collate_key(*t1,-1);
55 key2 = g_utf8_collate_key(*t2,-1);
56 n = strcmp(key1,key2);
57 g_free(key1);
58 g_free(key2);
59 return n;
60 }
62 /* list_window callback */
63 static const char *
64 screen_artist_lw_callback(unsigned idx, 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 g_snprintf(buf, BUFSIZE, "[%s]", _("All tracks"));
75 return buf;
76 }
78 --idx;
79 }
81 assert(idx < list->len);
83 str_utf8 = g_ptr_array_index(list, idx);
84 assert(str_utf8 != NULL);
86 str = utf8_to_locale(str_utf8);
87 g_snprintf(buf, BUFSIZE, "[%s]", str);
88 g_free(str);
90 return buf;
91 }
93 static void
94 screen_artist_paint(void);
96 static void
97 artist_repaint(void)
98 {
99 screen_artist_paint();
100 wrefresh(browser.lw->w);
101 }
103 static void
104 string_array_free(GPtrArray *array)
105 {
106 unsigned i;
108 for (i = 0; i < array->len; ++i) {
109 char *value = g_ptr_array_index(array, i);
110 g_free(value);
111 }
113 g_ptr_array_free(array, TRUE);
114 }
116 static void
117 free_lists(void)
118 {
119 if (artist_list != NULL) {
120 string_array_free(artist_list);
121 artist_list = NULL;
122 }
124 if (album_list != NULL) {
125 string_array_free(album_list);
126 album_list = NULL;
127 }
129 if (browser.filelist) {
130 filelist_free(browser.filelist);
131 browser.filelist = NULL;
132 }
133 }
135 static void
136 recv_tag_values(struct mpd_connection *connection, enum mpd_tag_type tag,
137 GPtrArray *list)
138 {
139 struct mpd_pair *pair;
141 while ((pair = mpd_recv_pair_tag(connection, tag)) != NULL) {
142 g_ptr_array_add(list, g_strdup(pair->value));
143 mpd_return_pair(connection, pair);
144 }
145 }
147 static void
148 load_artist_list(struct mpdclient *c)
149 {
150 struct mpd_connection *connection = mpdclient_get_connection(c);
152 assert(mode == LIST_ARTISTS);
153 assert(artist == NULL);
154 assert(album == NULL);
155 assert(artist_list == NULL);
156 assert(album_list == NULL);
157 assert(browser.filelist == NULL);
159 artist_list = g_ptr_array_new();
161 if (connection != NULL) {
162 mpd_search_db_tags(connection, MPD_TAG_ARTIST);
163 mpd_search_commit(connection);
164 recv_tag_values(connection, MPD_TAG_ARTIST, artist_list);
166 if (!mpd_response_finish(connection))
167 mpdclient_handle_error(c);
168 }
170 /* sort list */
171 g_ptr_array_sort(artist_list, compare_utf8);
172 list_window_set_length(browser.lw, artist_list->len);
173 }
175 static void
176 load_album_list(struct mpdclient *c)
177 {
178 struct mpd_connection *connection = mpdclient_get_connection(c);
180 assert(mode == LIST_ALBUMS);
181 assert(artist != NULL);
182 assert(album == NULL);
183 assert(album_list == NULL);
184 assert(browser.filelist == NULL);
186 album_list = g_ptr_array_new();
188 if (connection != NULL) {
189 mpd_search_db_tags(connection, MPD_TAG_ALBUM);
190 mpd_search_add_tag_constraint(connection,
191 MPD_OPERATOR_DEFAULT,
192 MPD_TAG_ARTIST, artist);
193 mpd_search_commit(connection);
195 recv_tag_values(connection, MPD_TAG_ALBUM, album_list);
197 if (!mpd_response_finish(connection))
198 mpdclient_handle_error(c);
199 }
201 /* sort list */
202 g_ptr_array_sort(album_list, compare_utf8);
204 list_window_set_length(browser.lw, album_list->len + 2);
205 }
207 static void
208 load_song_list(struct mpdclient *c)
209 {
210 struct mpd_connection *connection = mpdclient_get_connection(c);
212 assert(mode == LIST_SONGS);
213 assert(artist != NULL);
214 assert(album != NULL);
215 assert(browser.filelist == NULL);
217 browser.filelist = filelist_new();
218 /* add a dummy entry for ".." */
219 filelist_append(browser.filelist, NULL);
221 if (connection != NULL) {
222 mpd_search_db_songs(connection, true);
223 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
224 MPD_TAG_ARTIST, artist);
225 if (album[0] != 0)
226 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
227 MPD_TAG_ALBUM, album);
228 mpd_search_commit(connection);
230 filelist_recv(browser.filelist, connection);
232 if (!mpd_response_finish(connection))
233 mpdclient_handle_error(c);
234 }
236 /* fix highlights */
237 screen_browser_sync_highlights(browser.filelist, &c->playlist);
238 list_window_set_length(browser.lw, filelist_length(browser.filelist));
239 }
241 static void
242 free_state(void)
243 {
244 g_free(artist);
245 g_free(album);
246 artist = NULL;
247 album = NULL;
249 free_lists();
250 }
252 static void
253 open_artist_list(struct mpdclient *c)
254 {
255 free_state();
257 mode = LIST_ARTISTS;
258 load_artist_list(c);
259 }
261 static void
262 open_album_list(struct mpdclient *c, char *_artist)
263 {
264 assert(_artist != NULL);
266 free_state();
268 mode = LIST_ALBUMS;
269 artist = _artist;
270 load_album_list(c);
271 }
273 static void
274 open_song_list(struct mpdclient *c, char *_artist, char *_album)
275 {
276 assert(_artist != NULL);
277 assert(_album != NULL);
279 free_state();
281 mode = LIST_SONGS;
282 artist = _artist;
283 album = _album;
284 load_song_list(c);
285 }
287 static void
288 reload_lists(struct mpdclient *c)
289 {
290 free_lists();
292 switch (mode) {
293 case LIST_ARTISTS:
294 load_artist_list(c);
295 break;
297 case LIST_ALBUMS:
298 load_album_list(c);
299 break;
301 case LIST_SONGS:
302 load_song_list(c);
303 break;
304 }
305 }
307 static void
308 screen_artist_init(WINDOW *w, int cols, int rows)
309 {
310 browser.lw = list_window_init(w, cols, rows);
311 artist = NULL;
312 album = NULL;
313 }
315 static void
316 screen_artist_quit(void)
317 {
318 free_state();
319 list_window_free(browser.lw);
320 }
322 static void
323 screen_artist_open(struct mpdclient *c)
324 {
325 if (artist_list == NULL && album_list == NULL &&
326 browser.filelist == NULL)
327 reload_lists(c);
328 }
330 static void
331 screen_artist_resize(int cols, int rows)
332 {
333 list_window_resize(browser.lw, cols, rows);
334 }
336 /**
337 * Paint one item in the artist list.
338 */
339 static void
340 paint_artist_callback(WINDOW *w, unsigned i,
341 G_GNUC_UNUSED unsigned y, unsigned width,
342 bool selected, void *data)
343 {
344 GPtrArray *list = data;
345 char *p = utf8_to_locale(g_ptr_array_index(list, i));
347 screen_browser_paint_directory(w, width, selected, p);
348 g_free(p);
349 }
351 /**
352 * Paint one item in the album list. There are two virtual items
353 * inserted: at the beginning, there's the special item ".." to go to
354 * the parent directory, and at the end, there's the item "All tracks"
355 * to view the tracks of all albums.
356 */
357 static void
358 paint_album_callback(WINDOW *w, unsigned i,
359 G_GNUC_UNUSED unsigned y, unsigned width,
360 bool selected, void *data)
361 {
362 GPtrArray *list = data;
363 const char *p;
364 char *q = NULL;
366 if (i == 0)
367 p = "..";
368 else if (i == list->len + 1)
369 p = _("All tracks");
370 else
371 p = q = utf8_to_locale(g_ptr_array_index(list, i - 1));
373 screen_browser_paint_directory(w, width, selected, p);
374 g_free(q);
375 }
377 static void
378 screen_artist_paint(void)
379 {
380 if (browser.filelist) {
381 screen_browser_paint(&browser);
382 } else if (album_list != NULL)
383 list_window_paint2(browser.lw,
384 paint_album_callback, album_list);
385 else if (artist_list != NULL)
386 list_window_paint2(browser.lw,
387 paint_artist_callback, artist_list);
388 else {
389 wmove(browser.lw->w, 0, 0);
390 wclrtobot(browser.lw->w);
391 }
392 }
394 static const char *
395 screen_artist_get_title(char *str, size_t size)
396 {
397 char *s1, *s2;
399 switch(mode) {
400 case LIST_ARTISTS:
401 g_snprintf(str, size, _("All artists"));
402 break;
404 case LIST_ALBUMS:
405 s1 = utf8_to_locale(artist);
406 g_snprintf(str, size, _("Albums of artist: %s"), s1);
407 g_free(s1);
408 break;
410 case LIST_SONGS:
411 s1 = utf8_to_locale(artist);
412 if (*album != 0) {
413 s2 = utf8_to_locale(album);
414 g_snprintf(str, size,
415 _("Album: %s - %s"), s1, s2);
416 g_free(s2);
417 } else
418 g_snprintf(str, size,
419 _("All tracks of artist: %s"), s1);
420 g_free(s1);
421 break;
422 }
424 return str;
425 }
427 static void
428 screen_artist_update(struct mpdclient *c)
429 {
430 if (browser.filelist == NULL)
431 return;
433 if (c->events & MPD_IDLE_DATABASE)
434 /* the db has changed -> update the list */
435 reload_lists(c);
437 if (c->events & (MPD_IDLE_DATABASE | MPD_IDLE_QUEUE))
438 screen_browser_sync_highlights(browser.filelist, &c->playlist);
440 if (c->events & (MPD_IDLE_DATABASE
441 #ifndef NCMPC_MINI
442 | MPD_IDLE_QUEUE
443 #endif
444 ))
445 artist_repaint();
446 }
448 static void
449 add_query(struct mpdclient *c, enum mpd_tag_type table, char *_filter)
450 {
451 struct mpd_connection *connection = mpdclient_get_connection(c);
452 char *str;
453 struct filelist *addlist;
455 assert(filter != NULL);
457 if (connection == NULL)
458 return;
460 str = utf8_to_locale(_filter);
461 if (table == MPD_TAG_ALBUM)
462 screen_status_printf("Adding album %s...", str);
463 else
464 screen_status_printf("Adding %s...", str);
465 g_free(str);
467 mpd_search_db_songs(connection, true);
468 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
469 table, _filter);
470 mpd_search_commit(connection);
472 addlist = filelist_new_recv(connection);
474 if (mpd_response_finish(connection))
475 mpdclient_filelist_add_all(c, addlist);
476 else
477 mpdclient_handle_error(c);
479 filelist_free(addlist);
480 }
482 static int
483 screen_artist_lw_cmd(struct mpdclient *c, command_t cmd)
484 {
485 switch (mode) {
486 case LIST_ARTISTS:
487 case LIST_ALBUMS:
488 return list_window_cmd(browser.lw, cmd);
490 case LIST_SONGS:
491 return browser_cmd(&browser, c, cmd);
492 }
494 assert(0);
495 return 0;
496 }
498 static int
499 string_array_find(GPtrArray *array, const char *value)
500 {
501 guint i;
503 for (i = 0; i < array->len; ++i)
504 if (strcmp((const char*)g_ptr_array_index(array, i),
505 value) == 0)
506 return i;
508 return -1;
509 }
511 static bool
512 screen_artist_cmd(struct mpdclient *c, command_t cmd)
513 {
514 struct list_window_range range;
515 char *selected;
516 char *old;
517 int idx;
519 switch(cmd) {
520 case CMD_PLAY:
521 switch (mode) {
522 case LIST_ARTISTS:
523 if (browser.lw->selected >= artist_list->len)
524 return true;
526 selected = g_ptr_array_index(artist_list,
527 browser.lw->selected);
528 open_album_list(c, g_strdup(selected));
529 list_window_reset(browser.lw);
531 artist_repaint();
532 return true;
534 case LIST_ALBUMS:
535 if (browser.lw->selected == 0) {
536 /* handle ".." */
537 old = g_strdup(artist);
539 open_artist_list(c);
540 list_window_reset(browser.lw);
541 /* restore previous list window state */
542 idx = string_array_find(artist_list, old);
543 g_free(old);
545 if (idx >= 0) {
546 list_window_set_cursor(browser.lw, idx);
547 list_window_center(browser.lw, idx);
548 }
549 } else if (browser.lw->selected == album_list->len + 1) {
550 /* handle "show all" */
551 open_song_list(c, g_strdup(artist), g_strdup("\0"));
552 list_window_reset(browser.lw);
553 } else {
554 /* select album */
555 selected = g_ptr_array_index(album_list,
556 browser.lw->selected - 1);
557 open_song_list(c, g_strdup(artist), g_strdup(selected));
558 list_window_reset(browser.lw);
559 }
561 artist_repaint();
562 return true;
564 case LIST_SONGS:
565 if (browser.lw->selected == 0) {
566 /* handle ".." */
567 old = g_strdup(album);
569 open_album_list(c, g_strdup(artist));
570 list_window_reset(browser.lw);
571 /* restore previous list window state */
572 idx = *old == 0
573 ? (int)album_list->len
574 : string_array_find(album_list, old);
575 g_free(old);
577 if (idx >= 0) {
578 ++idx;
579 list_window_set_cursor(browser.lw, idx);
580 list_window_center(browser.lw, idx);
581 }
583 artist_repaint();
584 return true;
585 }
586 break;
587 }
588 break;
590 /* FIXME? CMD_GO_* handling duplicates code from CMD_PLAY */
592 case CMD_GO_PARENT_DIRECTORY:
593 switch (mode) {
594 case LIST_ARTISTS:
595 break;
597 case LIST_ALBUMS:
598 old = g_strdup(artist);
600 open_artist_list(c);
601 list_window_reset(browser.lw);
602 /* restore previous list window state */
603 idx = string_array_find(artist_list, old);
604 g_free(old);
606 if (idx >= 0) {
607 list_window_set_cursor(browser.lw, idx);
608 list_window_center(browser.lw, idx);
609 }
610 break;
612 case LIST_SONGS:
613 old = g_strdup(album);
615 open_album_list(c, g_strdup(artist));
616 list_window_reset(browser.lw);
617 /* restore previous list window state */
618 idx = *old == 0
619 ? (int)album_list->len
620 : string_array_find(album_list, old);
621 g_free(old);
623 if (idx >= 0) {
624 ++idx;
625 list_window_set_cursor(browser.lw, idx);
626 list_window_center(browser.lw, idx);
627 }
628 break;
629 }
631 artist_repaint();
632 break;
634 case CMD_GO_ROOT_DIRECTORY:
635 switch (mode) {
636 case LIST_ARTISTS:
637 break;
639 case LIST_ALBUMS:
640 case LIST_SONGS:
641 open_artist_list(c);
642 list_window_reset(browser.lw);
643 /* restore first list window state (pop while returning true) */
644 /* XXX */
645 break;
646 }
648 artist_repaint();
649 break;
651 case CMD_SELECT:
652 case CMD_ADD:
653 switch(mode) {
654 case LIST_ARTISTS:
655 if (browser.lw->selected >= artist_list->len)
656 return true;
658 list_window_get_range(browser.lw, &range);
659 for (unsigned i = range.start; i < range.end; ++i) {
660 selected = g_ptr_array_index(artist_list, i);
661 add_query(c, MPD_TAG_ARTIST, selected);
662 cmd = CMD_LIST_NEXT; /* continue and select next item... */
663 }
664 break;
666 case LIST_ALBUMS:
667 list_window_get_range(browser.lw, &range);
668 for (unsigned i = range.start; i < range.end; ++i) {
669 if(i == album_list->len + 1)
670 add_query(c, MPD_TAG_ARTIST, artist);
671 else if (i > 0)
672 {
673 selected = g_ptr_array_index(album_list,
674 browser.lw->selected - 1);
675 add_query(c, MPD_TAG_ALBUM, selected);
676 cmd = CMD_LIST_NEXT; /* continue and select next item... */
677 }
678 }
679 break;
681 case LIST_SONGS:
682 /* handled by browser_cmd() */
683 break;
684 }
685 break;
687 /* continue and update... */
688 case CMD_SCREEN_UPDATE:
689 reload_lists(c);
690 return false;
692 case CMD_LIST_FIND:
693 case CMD_LIST_RFIND:
694 case CMD_LIST_FIND_NEXT:
695 case CMD_LIST_RFIND_NEXT:
696 switch (mode) {
697 case LIST_ARTISTS:
698 screen_find(browser.lw, cmd,
699 screen_artist_lw_callback, artist_list);
700 artist_repaint();
701 return true;
703 case LIST_ALBUMS:
704 screen_find(browser.lw, cmd,
705 screen_artist_lw_callback, album_list);
706 artist_repaint();
707 return true;
709 case LIST_SONGS:
710 /* handled by browser_cmd() */
711 break;
712 }
713 case CMD_LIST_JUMP:
714 switch (mode) {
715 case LIST_ARTISTS:
716 screen_jump(browser.lw, screen_artist_lw_callback,
717 paint_artist_callback, artist_list);
718 artist_repaint();
719 return true;
721 case LIST_ALBUMS:
722 screen_jump(browser.lw, screen_artist_lw_callback,
723 paint_album_callback, album_list);
724 artist_repaint();
725 return true;
727 case LIST_SONGS:
728 /* handled by browser_cmd() */
729 break;
730 }
732 break;
734 default:
735 break;
736 }
738 if (screen_artist_lw_cmd(c, cmd)) {
739 if (screen_is_visible(&screen_artist))
740 artist_repaint();
741 return true;
742 }
744 return false;
745 }
747 const struct screen_functions screen_artist = {
748 .init = screen_artist_init,
749 .exit = screen_artist_quit,
750 .open = screen_artist_open,
751 .resize = screen_artist_resize,
752 .paint = screen_artist_paint,
753 .update = screen_artist_update,
754 .cmd = screen_artist_cmd,
755 .get_title = screen_artist_get_title,
756 };