1 /*
2 * (c) 2005 by Kalle Wallin <kaw@linux.se>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 */
19 #include "i18n.h"
20 #include "options.h"
21 #include "charset.h"
22 #include "mpdclient.h"
23 #include "utils.h"
24 #include "strfsong.h"
25 #include "command.h"
26 #include "screen.h"
27 #include "screen_utils.h"
28 #include "screen_browser.h"
29 #include "gcc.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, mpd_unused int *highlight, mpd_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 paint(void);
98 static void
99 artist_repaint(void)
100 {
101 paint();
102 wrefresh(browser.lw->w);
103 }
105 static void
106 artist_repaint_if_active(void)
107 {
108 if (screen_is_visible(&screen_artist))
109 artist_repaint();
110 }
112 /* the playlist have been updated -> fix highlights */
113 static void
114 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
115 {
116 browser_playlist_changed(&browser, c, event, data);
118 artist_repaint_if_active();
119 }
121 static GPtrArray *
122 g_list_to_ptr_array(GList *in)
123 {
124 GPtrArray *out = g_ptr_array_sized_new(g_list_length(in));
125 GList *head = in;
127 while (in != NULL) {
128 g_ptr_array_add(out, in->data);
129 in = g_list_next(in);
130 }
132 g_list_free(head);
133 return out;
134 }
136 static void
137 string_array_free(GPtrArray *array)
138 {
139 unsigned i;
141 for (i = 0; i < array->len; ++i) {
142 char *value = g_ptr_array_index(array, i);
143 free(value);
144 }
146 g_ptr_array_free(array, TRUE);
147 }
149 static void
150 free_lists(struct mpdclient *c)
151 {
152 if (artist_list != NULL) {
153 string_array_free(artist_list);
154 artist_list = NULL;
155 }
157 if (album_list != NULL) {
158 string_array_free(album_list);
159 album_list = NULL;
160 }
162 if (browser.filelist) {
163 if (c != NULL)
164 mpdclient_remove_playlist_callback(c, playlist_changed_callback);
165 filelist_free(browser.filelist);
166 browser.filelist = NULL;
167 }
168 }
170 static void
171 load_artist_list(struct mpdclient *c)
172 {
173 GList *list;
175 assert(mode == LIST_ARTISTS);
176 assert(artist == NULL);
177 assert(album == NULL);
178 assert(artist_list == NULL);
179 assert(album_list == NULL);
180 assert(browser.filelist == NULL);
182 list = mpdclient_get_artists(c);
183 /* sort list */
184 list = g_list_sort(list, compare_utf8);
186 artist_list = g_list_to_ptr_array(list);
187 }
189 static void
190 load_album_list(struct mpdclient *c)
191 {
192 GList *list;
194 assert(mode == LIST_ALBUMS);
195 assert(artist != NULL);
196 assert(album == NULL);
197 assert(album_list == NULL);
198 assert(browser.filelist == NULL);
200 list = mpdclient_get_albums(c, artist);
201 /* sort list */
202 list = g_list_sort(list, compare_utf8);
204 album_list = g_list_to_ptr_array(list);
205 }
207 static void
208 load_song_list(struct mpdclient *c)
209 {
210 assert(mode == LIST_SONGS);
211 assert(artist != NULL);
212 assert(album != NULL);
213 assert(browser.filelist == NULL);
215 if (album[0] == 0)
216 browser.filelist =
217 mpdclient_filelist_search(c, TRUE,
218 MPD_TABLE_ARTIST,
219 artist);
220 else
221 browser.filelist =
222 mpdclient_filelist_search(c, TRUE,
223 MPD_TABLE_ALBUM,
224 album);
225 if (browser.filelist == NULL)
226 browser.filelist = filelist_new(NULL);
228 /* add a dummy entry for ".." */
229 filelist_prepend(browser.filelist, NULL);
231 /* install playlist callback and fix highlights */
232 sync_highlights(c, browser.filelist);
233 mpdclient_install_playlist_callback(c, playlist_changed_callback);
234 }
236 static void
237 free_state(struct mpdclient *c)
238 {
239 g_free(artist);
240 g_free(album);
241 artist = NULL;
242 album = NULL;
244 free_lists(c);
245 }
247 static void
248 open_artist_list(struct mpdclient *c)
249 {
250 free_state(c);
252 mode = LIST_ARTISTS;
253 load_artist_list(c);
254 }
256 static void
257 open_album_list(struct mpdclient *c, char *_artist)
258 {
259 assert(_artist != NULL);
261 free_state(c);
263 mode = LIST_ALBUMS;
264 artist = _artist;
265 load_album_list(c);
266 }
268 static void
269 open_song_list(struct mpdclient *c, char *_artist, char *_album)
270 {
271 assert(_artist != NULL);
272 assert(_album != NULL);
274 free_state(c);
276 mode = LIST_SONGS;
277 artist = _artist;
278 album = _album;
279 load_song_list(c);
280 }
282 static void
283 reload_lists(struct mpdclient *c)
284 {
285 free_lists(c);
287 switch (mode) {
288 case LIST_ARTISTS:
289 load_artist_list(c);
290 break;
292 case LIST_ALBUMS:
293 load_album_list(c);
294 break;
296 case LIST_SONGS:
297 load_song_list(c);
298 break;
299 }
300 }
302 /* db updated */
303 static void
304 browse_callback(mpdclient_t *c, int event, mpd_unused gpointer data)
305 {
306 switch(event) {
307 case BROWSE_DB_UPDATED:
308 reload_lists(c);
309 break;
310 default:
311 break;
312 }
314 artist_repaint_if_active();
315 }
317 static void
318 init(WINDOW *w, int cols, int rows)
319 {
320 browser.lw = list_window_init(w, cols, rows);
321 artist = NULL;
322 album = NULL;
323 }
325 static void
326 quit(void)
327 {
328 free_state(NULL);
329 list_window_free(browser.lw);
330 }
332 static void
333 open(mpdclient_t *c)
334 {
335 static gboolean callback_installed = FALSE;
337 if (artist_list == NULL && album_list == NULL &&
338 browser.filelist == NULL)
339 reload_lists(c);
340 if (!callback_installed) {
341 mpdclient_install_browse_callback(c, browse_callback);
342 callback_installed = TRUE;
343 }
344 }
346 static void
347 resize(int cols, int rows)
348 {
349 browser.lw->cols = cols;
350 browser.lw->rows = rows;
351 }
353 static void
354 paint(void)
355 {
356 if (browser.filelist) {
357 list_window_paint(browser.lw, browser_lw_callback,
358 browser.filelist);
359 } else if (album_list != NULL)
360 list_window_paint(browser.lw, artist_lw_callback, album_list);
361 else if (artist_list != NULL)
362 list_window_paint(browser.lw, artist_lw_callback, artist_list);
363 else {
364 wmove(browser.lw->w, 0, 0);
365 wclrtobot(browser.lw->w);
366 }
367 }
369 static const char *
370 get_title(char *str, size_t size)
371 {
372 char *s1, *s2;
374 switch(mode) {
375 case LIST_ARTISTS:
376 g_snprintf(str, size, _("All artists"));
377 break;
379 case LIST_ALBUMS:
380 s1 = utf8_to_locale(artist);
381 g_snprintf(str, size, _("Albums of artist: %s"), s1);
382 g_free(s1);
383 break;
385 case LIST_SONGS:
386 s1 = utf8_to_locale(artist);
387 if (*album != 0) {
388 s2 = utf8_to_locale(album);
389 g_snprintf(str, size,
390 _("Album: %s - %s"), s1, s2);
391 g_free(s2);
392 } else
393 g_snprintf(str, size,
394 _("All tracks of artist: %s"), s1);
395 g_free(s1);
396 break;
397 }
399 return str;
400 }
402 static void
403 add_query(mpdclient_t *c, int table, char *_filter)
404 {
405 char *str;
406 mpdclient_filelist_t *addlist;
408 assert(filter != NULL);
410 str = utf8_to_locale(_filter);
411 if (table== MPD_TABLE_ALBUM)
412 screen_status_printf("Adding album %s...", str);
413 else
414 screen_status_printf("Adding %s...", str);
415 g_free(str);
417 addlist = mpdclient_filelist_search(c, TRUE, table, _filter);
418 if (addlist) {
419 mpdclient_filelist_add_all(c, addlist);
420 filelist_free(addlist);
421 }
422 }
424 static unsigned
425 metalist_length(void)
426 {
427 assert(mode != LIST_ARTISTS || artist_list != NULL);
428 assert(mode != LIST_ALBUMS || album_list != NULL);
430 return mode == LIST_ALBUMS
431 ? album_list->len + 2
432 : artist_list->len;
433 }
435 static int
436 artist_lw_cmd(struct mpdclient *c, command_t cmd)
437 {
438 switch (mode) {
439 case LIST_ARTISTS:
440 case LIST_ALBUMS:
441 return list_window_cmd(browser.lw, metalist_length(), cmd);
443 case LIST_SONGS:
444 return browser_cmd(&browser, c, cmd);
445 }
447 assert(0);
448 return 0;
449 }
451 static int
452 string_array_find(GPtrArray *array, const char *value)
453 {
454 guint i;
456 for (i = 0; i < array->len; ++i)
457 if (strcmp((const char*)g_ptr_array_index(array, i),
458 value) == 0)
459 return i;
461 return -1;
462 }
464 static bool
465 artist_cmd(mpdclient_t *c, command_t cmd)
466 {
467 char *selected;
468 char *old;
469 int idx;
471 switch(cmd) {
472 case CMD_PLAY:
473 switch (mode) {
474 case LIST_ARTISTS:
475 selected = g_ptr_array_index(artist_list,
476 browser.lw->selected);
477 open_album_list(c, g_strdup(selected));
478 list_window_reset(browser.lw);
480 artist_repaint();
481 return true;
483 case LIST_ALBUMS:
484 if (browser.lw->selected == 0) {
485 /* handle ".." */
486 old = g_strdup(artist);
488 open_artist_list(c);
489 list_window_reset(browser.lw);
490 /* restore previous list window state */
491 idx = string_array_find(artist_list, old);
492 g_free(old);
494 if (idx >= 0) {
495 list_window_set_selected(browser.lw, idx);
496 list_window_center(browser.lw,
497 artist_list->len, idx);
498 }
499 } else if (browser.lw->selected == album_list->len + 1) {
500 /* handle "show all" */
501 open_song_list(c, g_strdup(artist), g_strdup("\0"));
502 list_window_reset(browser.lw);
503 } else {
504 /* select album */
505 selected = g_ptr_array_index(album_list,
506 browser.lw->selected - 1);
507 open_song_list(c, g_strdup(artist), g_strdup(selected));
508 list_window_reset(browser.lw);
509 }
511 artist_repaint();
512 return true;
514 case LIST_SONGS:
515 if (browser.lw->selected == 0) {
516 /* handle ".." */
517 old = g_strdup(album);
519 open_album_list(c, g_strdup(artist));
520 list_window_reset(browser.lw);
521 /* restore previous list window state */
522 idx = *old == 0
523 ? (int)album_list->len
524 : string_array_find(album_list, old);
525 g_free(old);
527 if (idx >= 0) {
528 ++idx;
529 list_window_set_selected(browser.lw, idx);
530 list_window_center(browser.lw,
531 album_list->len, idx);
532 }
534 artist_repaint();
535 return true;
536 }
537 break;
538 }
539 break;
541 /* FIXME? CMD_GO_* handling duplicates code from CMD_PLAY */
543 case CMD_GO_PARENT_DIRECTORY:
544 switch (mode) {
545 case LIST_ARTISTS:
546 break;
548 case LIST_ALBUMS:
549 old = g_strdup(artist);
551 open_artist_list(c);
552 list_window_reset(browser.lw);
553 /* restore previous list window state */
554 idx = string_array_find(artist_list, old);
555 g_free(old);
557 if (idx >= 0) {
558 list_window_set_selected(browser.lw, idx);
559 list_window_center(browser.lw,
560 artist_list->len, idx);
561 }
562 break;
564 case LIST_SONGS:
565 old = g_strdup(album);
567 open_album_list(c, g_strdup(artist));
568 list_window_reset(browser.lw);
569 /* restore previous list window state */
570 idx = *old == 0
571 ? (int)album_list->len
572 : string_array_find(album_list, old);
573 g_free(old);
575 if (idx >= 0) {
576 ++idx;
577 list_window_set_selected(browser.lw, idx);
578 list_window_center(browser.lw,
579 album_list->len, idx);
580 }
581 break;
582 }
584 artist_repaint();
585 break;
587 case CMD_GO_ROOT_DIRECTORY:
588 switch (mode) {
589 case LIST_ARTISTS:
590 break;
592 case LIST_ALBUMS:
593 case LIST_SONGS:
594 open_artist_list(c);
595 list_window_reset(browser.lw);
596 /* restore first list window state (pop while returning true) */
597 /* XXX */
598 break;
599 }
601 artist_repaint();
602 break;
604 case CMD_SELECT:
605 case CMD_ADD:
606 switch(mode) {
607 case LIST_ARTISTS:
608 selected = g_ptr_array_index(artist_list,
609 browser.lw->selected);
610 add_query(c, MPD_TABLE_ARTIST, selected);
611 cmd = CMD_LIST_NEXT; /* continue and select next item... */
612 break;
614 case LIST_ALBUMS:
615 if (browser.lw->selected == album_list->len + 1)
616 add_query(c, MPD_TABLE_ARTIST, artist);
617 else if (browser.lw->selected > 0) {
618 selected = g_ptr_array_index(album_list,
619 browser.lw->selected - 1);
620 add_query(c, MPD_TABLE_ALBUM, selected);
621 cmd = CMD_LIST_NEXT; /* continue and select next item... */
622 }
623 break;
625 case LIST_SONGS:
626 /* handled by browser_cmd() */
627 break;
628 }
629 break;
631 /* continue and update... */
632 case CMD_SCREEN_UPDATE:
633 reload_lists(c);
634 screen_status_printf(_("Screen updated!"));
635 return false;
637 case CMD_LIST_FIND:
638 case CMD_LIST_RFIND:
639 case CMD_LIST_FIND_NEXT:
640 case CMD_LIST_RFIND_NEXT:
641 switch (mode) {
642 case LIST_ARTISTS:
643 screen_find(browser.lw, artist_list->len,
644 cmd, artist_lw_callback, artist_list);
645 artist_repaint();
646 return true;
648 case LIST_ALBUMS:
649 screen_find(browser.lw, album_list->len + 2,
650 cmd, artist_lw_callback, album_list);
651 artist_repaint();
652 return true;
654 case LIST_SONGS:
655 /* handled by browser_cmd() */
656 break;
657 }
659 break;
661 default:
662 break;
663 }
665 if (artist_lw_cmd(c, cmd)) {
666 if (screen_is_visible(&screen_artist))
667 artist_repaint();
668 return true;
669 }
671 return false;
672 }
674 const struct screen_functions screen_artist = {
675 .init = init,
676 .exit = quit,
677 .open = open,
678 .resize = resize,
679 .paint = paint,
680 .cmd = artist_cmd,
681 .get_title = get_title,
682 };