8909638b05e866a7fae8896ee2887bbdf57dedbf
1 /*
2 * $Id$
3 *
4 * (c) 2005 by Kalle Wallin <kaw@linux.se>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 */
21 #include <ctype.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <glib.h>
25 #include <ncurses.h>
27 #include "config.h"
28 #ifndef DISABLE_ARTIST_SCREEN
29 #include "ncmpc.h"
30 #include "options.h"
31 #include "support.h"
32 #include "mpdclient.h"
33 #include "utils.h"
34 #include "strfsong.h"
35 #include "command.h"
36 #include "screen.h"
37 #include "screen_utils.h"
38 #include "screen_browse.h"
40 #define BUFSIZE 1024
42 typedef enum { LIST_ARTISTS, LIST_ALBUMS, LIST_SONGS } artist_mode_t;
44 static artist_mode_t mode = LIST_ARTISTS;
45 static char *artist = NULL;
46 static char *album = NULL;
47 static list_window_t *lw = NULL;
48 static mpdclient_filelist_t *filelist = NULL;
49 static int metalist_length = 0;
50 static GList *metalist = NULL;
51 static list_window_state_t *lw_state = NULL;
53 /* list_window callback */
54 static char *
55 artist_lw_callback(int index, int *highlight, void *data)
56 {
57 static char buf[BUFSIZE];
58 char *str, *str_utf8;
60 *highlight = 0;
61 if( (str_utf8=(char *) g_list_nth_data(metalist,index))==NULL )
62 return NULL;
64 str = utf8_to_locale(str_utf8);
65 g_snprintf(buf, BUFSIZE, "[%s]", str);
66 g_free(str);
68 return buf;
69 }
71 /* the playlist have been updated -> fix highlights */
72 static void
73 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
74 {
75 if( filelist==NULL )
76 return;
77 D("screen_artist.c> playlist_callback() [%d]\n", event);
78 switch(event)
79 {
80 case PLAYLIST_EVENT_CLEAR:
81 clear_highlights(filelist);
82 break;
83 default:
84 sync_highlights(c, filelist);
85 break;
86 }
87 }
89 /* fetch artists/albums/songs from mpd */
90 static void
91 update_metalist(mpdclient_t *c, char *m_artist, char *m_album)
92 {
93 g_free(artist);
94 g_free(album);
95 artist = NULL;
96 album = NULL;
97 if( metalist )
98 metalist = string_list_free(metalist);
99 if (filelist ) {
100 mpdclient_remove_playlist_callback(c, playlist_changed_callback);
101 filelist = mpdclient_filelist_free(filelist);
102 }
103 if( m_album ) /* retreive songs... */
104 {
105 artist = m_artist;
106 album = m_album;
107 if( album[0] == 0 )
108 {
109 album = g_strdup(_("All tracks"));
110 filelist = mpdclient_filelist_search_utf8(c,
111 TRUE,
112 MPD_TABLE_ARTIST,
113 artist);
114 }
115 else
116 filelist = mpdclient_filelist_search_utf8(c,
117 TRUE,
118 MPD_TABLE_ALBUM,
119 album);
120 /* add a dummy entry for ".." */
121 filelist_entry_t *entry = g_malloc0(sizeof(filelist_entry_t));
122 entry->entity = NULL;
123 filelist->list = g_list_insert(filelist->list, entry, 0);
124 filelist->length++;
125 /* install playlist callback and fix highlights */
126 sync_highlights(c, filelist);
127 mpdclient_install_playlist_callback(c, playlist_changed_callback);
128 mode = LIST_SONGS;
129 }
130 else if( m_artist ) /* retreive albums... */
131 {
132 artist = m_artist;
133 metalist = mpdclient_get_albums_utf8(c, m_artist);
134 /* add a dummy entry for ".." */
135 metalist = g_list_insert(metalist, g_strdup(".."), 0);
136 /* add a dummy entry for all songs */
137 metalist = g_list_insert(metalist, g_strdup(_("All tracks")), -1);
138 mode = LIST_ALBUMS;
139 }
140 else /* retreive artists... */
141 {
142 metalist = mpdclient_get_artists_utf8(c);
143 mode = LIST_ARTISTS;
144 }
145 metalist_length = g_list_length(metalist);
146 lw->clear = TRUE;
147 }
149 /* db updated */
150 static void
151 browse_callback(mpdclient_t *c, int event, gpointer data)
152 {
153 switch(event)
154 {
155 case BROWSE_DB_UPDATED:
156 D("screen_artist.c> browse_callback() [BROWSE_DB_UPDATED]\n");
157 lw->clear = 1;
158 lw->repaint = 1;
159 update_metalist(c, g_strdup(artist), g_strdup(album));
160 break;
161 default:
162 break;
163 }
164 }
166 static void
167 init(WINDOW *w, int cols, int rows)
168 {
169 lw = list_window_init(w, cols, rows);
170 lw_state = list_window_init_state();
171 artist = NULL;
172 album = NULL;
173 }
175 static void
176 quit(void)
177 {
178 if( filelist )
179 filelist = mpdclient_filelist_free(filelist);
180 if( metalist )
181 metalist = string_list_free(metalist);
182 g_free(artist);
183 g_free(album);
184 artist = NULL;
185 album = NULL;
186 lw = list_window_free(lw);
187 lw_state = list_window_free_state(lw_state);
188 }
190 static void
191 open(screen_t *screen, mpdclient_t *c)
192 {
193 static gboolean callback_installed = FALSE;
195 if( metalist==NULL && filelist ==NULL)
196 update_metalist(c, NULL, NULL);
197 if( !callback_installed )
198 {
199 mpdclient_install_browse_callback(c, browse_callback);
200 callback_installed = TRUE;
201 }
202 }
204 static void
205 resize(int cols, int rows)
206 {
207 lw->cols = cols;
208 lw->rows = rows;
209 }
211 static void
212 close(void)
213 {
214 }
216 static void
217 paint(screen_t *screen, mpdclient_t *c)
218 {
219 lw->clear = 1;
221 if( filelist )
222 {
223 list_window_paint(lw, browse_lw_callback, (void *) filelist);
224 filelist->updated = FALSE;
225 }
226 else if( metalist )
227 {
228 list_window_paint(lw, artist_lw_callback, (void *) metalist);
229 }
230 else
231 {
232 wmove(lw->w, 0, 0);
233 wclrtobot(lw->w);
234 }
235 wnoutrefresh(lw->w);
236 }
238 static void
239 update(screen_t *screen, mpdclient_t *c)
240 {
241 if( filelist && !filelist->updated )
242 {
243 list_window_paint(lw, browse_lw_callback, (void *) filelist);
244 }
245 else if( metalist )
246 {
247 list_window_paint(lw, artist_lw_callback, (void *) metalist);
248 }
249 else
250 {
251 paint(screen, c);
252 }
253 wnoutrefresh(lw->w);
254 }
256 static char *
257 get_title(char *str, size_t size)
258 {
259 char *s1 = artist ? utf8_to_locale(artist) : NULL;
260 char *s2 = album ? utf8_to_locale(album) : NULL;
262 switch(mode)
263 {
264 case LIST_ARTISTS:
265 g_snprintf(str, size, _("Artist: [db browser - EXPERIMENTAL]"));
266 break;
267 case LIST_ALBUMS:
268 g_snprintf(str, size, _("Artist: %s"), s1);
269 break;
270 case LIST_SONGS:
271 g_snprintf(str, size, _("Artist: %s - %s"), s1, s2);
272 break;
273 }
274 g_free(s1);
275 g_free(s2);
276 return str;
277 }
279 static list_window_t *
280 get_filelist_window()
281 {
282 return lw;
283 }
285 static void
286 add_query(mpdclient_t *c, int table, char *filter)
287 {
288 char *str;
289 mpdclient_filelist_t *addlist;
291 str = utf8_to_locale(filter);
292 if( table== MPD_TABLE_ALBUM )
293 screen_status_printf("Adding album %s...", str);
294 else
295 screen_status_printf("Adding %s...", str);
296 g_free(str);
297 addlist = mpdclient_filelist_search_utf8(c, TRUE, table, filter);
298 if( addlist )
299 {
300 mpdclient_filelist_add_all(c, addlist);
301 addlist = mpdclient_filelist_free(addlist);
302 }
303 }
305 static int
306 artist_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
307 {
308 char *selected;
310 switch(cmd)
311 {
312 case CMD_PLAY:
313 switch(mode)
314 {
315 case LIST_ARTISTS:
316 selected = (char *) g_list_nth_data(metalist, lw->selected);
317 update_metalist(c, g_strdup(selected), NULL);
318 list_window_push_state(lw_state,lw);
319 break;
320 case LIST_ALBUMS:
321 if( lw->selected == 0 ) /* handle ".." */
322 {
323 update_metalist(c, NULL, NULL);
324 list_window_reset(lw);
325 /* restore previous list window state */
326 list_window_pop_state(lw_state,lw);
327 }
328 else if( lw->selected == metalist_length-1) /* handle "show all" */
329 {
330 update_metalist(c, g_strdup(artist), g_strdup("\0"));
331 list_window_push_state(lw_state,lw);
332 }
333 else /* select album */
334 {
335 selected = (char *) g_list_nth_data(metalist, lw->selected);
336 update_metalist(c, g_strdup(artist), g_strdup(selected));
337 list_window_push_state(lw_state,lw);
338 }
339 break;
340 case LIST_SONGS:
341 if( lw->selected==0 ) /* handle ".." */
342 {
343 update_metalist(c, g_strdup(artist), NULL);
344 list_window_reset(lw);
345 /* restore previous list window state */
346 list_window_pop_state(lw_state,lw);
347 }
348 else
349 browse_handle_enter(screen, c, lw, filelist);
350 break;
351 }
352 return 1;
354 case CMD_SELECT:
355 switch(mode)
356 {
357 case LIST_ARTISTS:
358 selected = (char *) g_list_nth_data(metalist, lw->selected);
359 add_query(c, MPD_TABLE_ARTIST, selected);
360 cmd = CMD_LIST_NEXT; /* continue and select next item... */
361 break;
362 case LIST_ALBUMS:
363 if( lw->selected && lw->selected == metalist_length-1)
364 {
365 add_query(c, MPD_TABLE_ARTIST, artist);
366 }
367 else if( lw->selected > 0 )
368 {
369 selected = (char *) g_list_nth_data(metalist, lw->selected);
370 add_query(c, MPD_TABLE_ALBUM, selected);
371 cmd = CMD_LIST_NEXT; /* continue and select next item... */
372 }
373 break;
374 case LIST_SONGS:
375 if( browse_handle_select(screen, c, lw, filelist) == 0 )
376 {
377 cmd = CMD_LIST_NEXT; /* continue and select next item... */
378 }
379 break;
380 }
381 break;
383 /* continue and update... */
384 case CMD_SCREEN_UPDATE:
385 screen->painted = 0;
386 lw->clear = 1;
387 lw->repaint = 1;
388 update_metalist(c, g_strdup(artist), g_strdup(album));
389 screen_status_printf(_("Screen updated!"));
390 return 0;
392 case CMD_LIST_FIND:
393 case CMD_LIST_RFIND:
394 case CMD_LIST_FIND_NEXT:
395 case CMD_LIST_RFIND_NEXT:
396 if( filelist )
397 return screen_find(screen, c,
398 lw, filelist->length,
399 cmd, browse_lw_callback, (void *) filelist);
400 else if ( metalist )
401 return screen_find(screen, c,
402 lw, metalist_length,
403 cmd, artist_lw_callback, (void *) metalist);
404 else
405 return 1;
407 case CMD_MOUSE_EVENT:
408 return browse_handle_mouse_event(screen,c,lw,filelist);
410 default:
411 break;
412 }
414 if( filelist )
415 return list_window_cmd(lw, filelist->length, cmd);
416 else if( metalist )
417 return list_window_cmd(lw, metalist_length, cmd);
420 return 0;
421 }
423 screen_functions_t *
424 get_screen_artist(void)
425 {
426 static screen_functions_t functions;
428 memset(&functions, 0, sizeof(screen_functions_t));
429 functions.init = init;
430 functions.exit = quit;
431 functions.open = open;
432 functions.close = close;
433 functions.resize = resize;
434 functions.paint = paint;
435 functions.update = update;
436 functions.cmd = artist_cmd;
437 functions.get_lw = get_filelist_window;
438 functions.get_title = get_title;
440 return &functions;
441 }
444 #endif /* ENABLE_ARTIST_SCREEN */