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>
35 #include <ncurses.h>
37 #define BUFSIZE 1024
39 typedef enum { LIST_ARTISTS, LIST_ALBUMS, LIST_SONGS } artist_mode_t;
41 static artist_mode_t mode = LIST_ARTISTS;
42 static GPtrArray *artist_list, *album_list;
43 static char *artist = NULL;
44 static char *album = NULL;
46 static struct screen_browser browser;
48 static gint
49 compare_utf8(gconstpointer s1, gconstpointer s2)
50 {
51 char *key1, *key2;
52 int n;
54 key1 = g_utf8_collate_key(s1,-1);
55 key2 = g_utf8_collate_key(s2,-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 artist_lw_callback(unsigned idx, mpd_unused int *highlight, mpd_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 if (idx >= list->len)
84 return NULL;
86 str_utf8 = g_ptr_array_index(list, idx);
87 assert(str_utf8 != NULL);
89 str = utf8_to_locale(str_utf8);
90 g_snprintf(buf, BUFSIZE, "[%s]", str);
91 g_free(str);
93 return buf;
94 }
96 static void
97 paint(mpdclient_t *c);
99 static void
100 artist_repaint(void)
101 {
102 paint(NULL);
103 wrefresh(browser.lw->w);
104 }
106 static void
107 artist_repaint_if_active(void)
108 {
109 if (screen_is_visible(&screen_artist))
110 artist_repaint();
111 }
113 /* the playlist have been updated -> fix highlights */
114 static void
115 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
116 {
117 browser_playlist_changed(&browser, c, event, data);
119 artist_repaint_if_active();
120 }
122 static GPtrArray *
123 g_list_to_ptr_array(GList *in)
124 {
125 GPtrArray *out = g_ptr_array_sized_new(g_list_length(in));
126 GList *head = in;
128 while (in != NULL) {
129 g_ptr_array_add(out, in->data);
130 in = g_list_next(in);
131 }
133 g_list_free(head);
134 return out;
135 }
137 static void
138 string_array_free(GPtrArray *array)
139 {
140 unsigned i;
142 for (i = 0; i < array->len; ++i) {
143 char *value = g_ptr_array_index(array, i);
144 free(value);
145 }
147 g_ptr_array_free(array, TRUE);
148 }
150 static void
151 free_lists(struct mpdclient *c)
152 {
153 if (artist_list != NULL) {
154 string_array_free(artist_list);
155 artist_list = NULL;
156 }
158 if (album_list != NULL) {
159 string_array_free(album_list);
160 album_list = NULL;
161 }
163 if (browser.filelist) {
164 if (c != NULL)
165 mpdclient_remove_playlist_callback(c, playlist_changed_callback);
166 filelist_free(browser.filelist);
167 browser.filelist = NULL;
168 }
169 }
171 static void
172 load_artist_list(struct mpdclient *c)
173 {
174 GList *list;
176 assert(mode == LIST_ARTISTS);
177 assert(artist == NULL);
178 assert(album == NULL);
179 assert(artist_list == NULL);
180 assert(album_list == NULL);
181 assert(browser.filelist == NULL);
183 list = mpdclient_get_artists_utf8(c);
184 /* sort list */
185 list = g_list_sort(list, compare_utf8);
187 artist_list = g_list_to_ptr_array(list);
188 }
190 static void
191 load_album_list(struct mpdclient *c)
192 {
193 GList *list;
195 assert(mode == LIST_ALBUMS);
196 assert(artist != NULL);
197 assert(album == NULL);
198 assert(album_list == NULL);
199 assert(browser.filelist == NULL);
201 list = mpdclient_get_albums_utf8(c, artist);
202 /* sort list */
203 list = g_list_sort(list, compare_utf8);
205 album_list = g_list_to_ptr_array(list);
206 }
208 static void
209 load_song_list(struct mpdclient *c)
210 {
211 assert(mode == LIST_SONGS);
212 assert(artist != NULL);
213 assert(album != NULL);
214 assert(browser.filelist == NULL);
216 if (album[0] == 0) {
217 album = g_strdup(_("All tracks"));
218 browser.filelist =
219 mpdclient_filelist_search_utf8(c, TRUE,
220 MPD_TABLE_ARTIST,
221 artist);
222 } else
223 browser.filelist =
224 mpdclient_filelist_search_utf8(c, TRUE,
225 MPD_TABLE_ALBUM,
226 album);
227 if (browser.filelist == NULL)
228 browser.filelist = filelist_new(NULL);
230 /* add a dummy entry for ".." */
231 filelist_prepend(browser.filelist, NULL);
233 /* install playlist callback and fix highlights */
234 sync_highlights(c, browser.filelist);
235 mpdclient_install_playlist_callback(c, playlist_changed_callback);
236 }
238 static void
239 free_state(struct mpdclient *c)
240 {
241 g_free(artist);
242 g_free(album);
243 artist = NULL;
244 album = NULL;
246 free_lists(c);
247 }
249 static void
250 open_artist_list(struct mpdclient *c)
251 {
252 free_state(c);
254 mode = LIST_ARTISTS;
255 load_artist_list(c);
256 }
258 static void
259 open_album_list(struct mpdclient *c, char *_artist)
260 {
261 assert(_artist != NULL);
263 free_state(c);
265 mode = LIST_ALBUMS;
266 artist = _artist;
267 load_album_list(c);
268 }
270 static void
271 open_song_list(struct mpdclient *c, char *_artist, char *_album)
272 {
273 assert(_artist != NULL);
274 assert(_album != NULL);
276 free_state(c);
278 mode = LIST_SONGS;
279 artist = _artist;
280 album = _album;
281 load_song_list(c);
282 }
284 static void
285 reload_lists(struct mpdclient *c)
286 {
287 free_lists(c);
289 switch (mode) {
290 case LIST_ARTISTS:
291 load_artist_list(c);
292 break;
294 case LIST_ALBUMS:
295 load_album_list(c);
296 break;
298 case LIST_SONGS:
299 load_song_list(c);
300 break;
301 }
302 }
304 /* db updated */
305 static void
306 browse_callback(mpdclient_t *c, int event, mpd_unused gpointer data)
307 {
308 switch(event) {
309 case BROWSE_DB_UPDATED:
310 reload_lists(c);
311 break;
312 default:
313 break;
314 }
316 artist_repaint_if_active();
317 }
319 static void
320 init(WINDOW *w, int cols, int rows)
321 {
322 browser.lw = list_window_init(w, cols, rows);
323 browser.lw_state = list_window_init_state();
324 artist = NULL;
325 album = NULL;
326 }
328 static void
329 quit(void)
330 {
331 free_state(NULL);
332 list_window_free(browser.lw);
333 list_window_free_state(browser.lw_state);
334 }
336 static void
337 open(mpd_unused screen_t *screen, mpdclient_t *c)
338 {
339 static gboolean callback_installed = FALSE;
341 if (artist_list == NULL && album_list == NULL &&
342 browser.filelist == NULL)
343 reload_lists(c);
344 if (!callback_installed) {
345 mpdclient_install_browse_callback(c, browse_callback);
346 callback_installed = TRUE;
347 }
348 }
350 static void
351 resize(int cols, int rows)
352 {
353 browser.lw->cols = cols;
354 browser.lw->rows = rows;
355 }
357 static void
358 paint(mpd_unused mpdclient_t *c)
359 {
360 if (browser.filelist) {
361 list_window_paint(browser.lw, browser_lw_callback,
362 browser.filelist);
363 } else if (album_list != NULL)
364 list_window_paint(browser.lw, artist_lw_callback, album_list);
365 else if (artist_list != NULL)
366 list_window_paint(browser.lw, artist_lw_callback, artist_list);
367 else {
368 wmove(browser.lw->w, 0, 0);
369 wclrtobot(browser.lw->w);
370 }
371 }
373 static const char *
374 get_title(char *str, size_t size)
375 {
376 char *s1 = artist ? utf8_to_locale(artist) : NULL;
377 char *s2 = album ? utf8_to_locale(album) : NULL;
379 switch(mode) {
380 case LIST_ARTISTS:
381 g_snprintf(str, size, _("Artist: [db browser - EXPERIMENTAL]"));
382 break;
383 case LIST_ALBUMS:
384 g_snprintf(str, size, _("Artist: %s"), s1);
385 break;
386 case LIST_SONGS:
387 g_snprintf(str, size, _("Artist: %s - %s"), s1, s2);
388 break;
389 }
390 g_free(s1);
391 g_free(s2);
392 return str;
393 }
395 static void
396 add_query(mpdclient_t *c, int table, char *_filter)
397 {
398 char *str;
399 mpdclient_filelist_t *addlist;
401 assert(filter != NULL);
403 str = utf8_to_locale(_filter);
404 if (table== MPD_TABLE_ALBUM)
405 screen_status_printf("Adding album %s...", str);
406 else
407 screen_status_printf("Adding %s...", str);
408 g_free(str);
410 addlist = mpdclient_filelist_search_utf8(c, TRUE, table, _filter);
411 if (addlist) {
412 mpdclient_filelist_add_all(c, addlist);
413 filelist_free(addlist);
414 }
415 }
417 static unsigned
418 metalist_length(void)
419 {
420 assert(mode != LIST_ARTISTS || artist_list != NULL);
421 assert(mode != LIST_ALBUMS || album_list != NULL);
423 return mode == LIST_ALBUMS
424 ? album_list->len + 2
425 : artist_list->len;
426 }
428 static int
429 artist_lw_cmd(struct screen *screen, struct mpdclient *c, command_t cmd)
430 {
431 switch (mode) {
432 case LIST_ARTISTS:
433 case LIST_ALBUMS:
434 return list_window_cmd(browser.lw, metalist_length(), cmd);
436 case LIST_SONGS:
437 return browser_cmd(&browser, screen, c, cmd);
438 }
440 assert(0);
441 return 0;
442 }
444 static int
445 artist_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
446 {
447 char *selected;
449 switch(cmd) {
450 case CMD_PLAY:
451 switch (mode) {
452 case LIST_ARTISTS:
453 selected = g_ptr_array_index(artist_list,
454 browser.lw->selected);
455 open_album_list(c, g_strdup(selected));
456 list_window_push_state(browser.lw_state, browser.lw);
458 artist_repaint();
459 return true;
461 case LIST_ALBUMS:
462 if (browser.lw->selected == 0) {
463 /* handle ".." */
465 open_artist_list(c);
466 list_window_reset(browser.lw);
467 /* restore previous list window state */
468 list_window_pop_state(browser.lw_state, browser.lw);
469 } else if (browser.lw->selected == album_list->len + 1) {
470 /* handle "show all" */
471 open_song_list(c, g_strdup(artist), g_strdup("\0"));
472 list_window_push_state(browser.lw_state, browser.lw);
473 } else {
474 /* select album */
475 selected = g_ptr_array_index(album_list,
476 browser.lw->selected - 1);
477 open_song_list(c, g_strdup(artist), g_strdup(selected));
478 list_window_push_state(browser.lw_state, browser.lw);
479 }
481 artist_repaint();
482 return true;
484 case LIST_SONGS:
485 if (browser.lw->selected == 0) {
486 /* handle ".." */
488 open_album_list(c, g_strdup(artist));
489 list_window_reset(browser.lw);
490 /* restore previous list window state */
491 list_window_pop_state(browser.lw_state,
492 browser.lw);
494 artist_repaint();
495 return true;
496 }
497 break;
498 }
499 break;
501 /* FIXME? CMD_GO_* handling duplicates code from CMD_PLAY */
503 case CMD_GO_PARENT_DIRECTORY:
504 switch (mode) {
505 case LIST_ARTISTS:
506 break;
508 case LIST_ALBUMS:
509 open_artist_list(c);
510 list_window_reset(browser.lw);
511 /* restore previous list window state */
512 list_window_pop_state(browser.lw_state, browser.lw);
513 break;
515 case LIST_SONGS:
516 open_album_list(c, g_strdup(artist));
517 list_window_reset(browser.lw);
518 /* restore previous list window state */
519 list_window_pop_state(browser.lw_state, browser.lw);
520 break;
521 }
523 artist_repaint();
524 break;
526 case CMD_GO_ROOT_DIRECTORY:
527 switch (mode) {
528 case LIST_ARTISTS:
529 break;
531 case LIST_ALBUMS:
532 case LIST_SONGS:
533 open_artist_list(c);
534 list_window_reset(browser.lw);
535 /* restore first list window state (pop while returning true) */
536 while(list_window_pop_state(browser.lw_state, browser.lw));
537 break;
538 }
540 artist_repaint();
541 break;
543 case CMD_SELECT:
544 case CMD_ADD:
545 switch(mode) {
546 case LIST_ARTISTS:
547 selected = g_ptr_array_index(artist_list,
548 browser.lw->selected);
549 add_query(c, MPD_TABLE_ARTIST, selected);
550 cmd = CMD_LIST_NEXT; /* continue and select next item... */
551 break;
553 case LIST_ALBUMS:
554 if (browser.lw->selected == album_list->len + 1)
555 add_query(c, MPD_TABLE_ARTIST, artist);
556 else if (browser.lw->selected > 0) {
557 selected = g_ptr_array_index(album_list,
558 browser.lw->selected - 1);
559 add_query(c, MPD_TABLE_ALBUM, selected);
560 cmd = CMD_LIST_NEXT; /* continue and select next item... */
561 }
562 break;
564 case LIST_SONGS:
565 /* handled by browser_cmd() */
566 break;
567 }
568 break;
570 /* continue and update... */
571 case CMD_SCREEN_UPDATE:
572 reload_lists(c);
573 screen_status_printf(_("Screen updated!"));
574 return 0;
576 case CMD_LIST_FIND:
577 case CMD_LIST_RFIND:
578 case CMD_LIST_FIND_NEXT:
579 case CMD_LIST_RFIND_NEXT:
580 switch (mode) {
581 case LIST_ARTISTS:
582 screen_find(screen,
583 browser.lw, artist_list->len,
584 cmd, artist_lw_callback, artist_list);
585 artist_repaint();
586 return 1;
588 case LIST_ALBUMS:
589 screen_find(screen,
590 browser.lw, album_list->len + 2,
591 cmd, artist_lw_callback, album_list);
592 artist_repaint();
593 return 1;
595 case LIST_SONGS:
596 /* handled by browser_cmd() */
597 break;
598 }
600 break;
602 default:
603 break;
604 }
606 if (artist_lw_cmd(screen, c, cmd)) {
607 artist_repaint();
608 return 1;
609 }
611 return 0;
612 }
614 const struct screen_functions screen_artist = {
615 .init = init,
616 .exit = quit,
617 .open = open,
618 .resize = resize,
619 .paint = paint,
620 .cmd = artist_cmd,
621 .get_title = get_title,
622 };