e09d9f04927779ba0ff4481b9cc42a30f3ec3713
1 /*
2 * $Id$
3 *
4 * (c) 2004 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 static char *artist = NULL;
43 static char *album = NULL;
44 static list_window_t *lw = NULL;
45 static mpdclient_filelist_t *filelist = NULL;
46 static int metalist_length = 0;
47 static GList *metalist = NULL;
48 static GList *lw_state_list = NULL;
50 /* store current state when entering a subdirectory */
51 static void
52 push_lw_state(void)
53 {
54 list_window_t *tmp = g_malloc(sizeof(list_window_t));
56 memcpy(tmp, lw, sizeof(list_window_t));
57 lw_state_list = g_list_prepend(lw_state_list, (gpointer) tmp);
58 }
60 /* get previous state when leaving a directory */
61 static void
62 pop_lw_state(void)
63 {
64 if( lw_state_list )
65 {
66 list_window_t *tmp = lw_state_list->data;
68 memcpy(lw, tmp, sizeof(list_window_t));
69 g_free(tmp);
70 lw_state_list->data = NULL;
71 lw_state_list = g_list_delete_link(lw_state_list, lw_state_list);
72 }
73 }
75 /* list_window callback */
76 static char *
77 artist_lw_callback(int index, int *highlight, void *data)
78 {
79 static char buf[BUFSIZE];
80 char *str, *str_utf8;
82 *highlight = 0;
83 if( (str_utf8=(char *) g_list_nth_data(metalist,index))==NULL )
84 return NULL;
86 str = utf8_to_locale(str_utf8);
87 g_snprintf(buf, BUFSIZE, "[%s]", str);
88 g_free(str);
90 return buf;
91 }
93 /* the playlist have been updated -> fix highlights */
94 static void
95 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
96 {
97 if( filelist==NULL )
98 return;
99 D("screen_artist.c> playlist_callback() [%d]\n", event);
100 switch(event)
101 {
102 case PLAYLIST_EVENT_CLEAR:
103 clear_highlights(filelist);
104 break;
105 default:
106 sync_highlights(c, filelist);
107 break;
108 }
109 }
111 static void
112 update_metalist(mpdclient_t *c, char *m_artist, char *m_album)
113 {
114 g_free(artist);
115 g_free(album);
116 artist = NULL;
117 album = NULL;
118 if( metalist )
119 metalist = string_list_free(metalist);
120 if (filelist ) {
121 mpdclient_remove_playlist_callback(c, playlist_changed_callback);
122 filelist = mpdclient_filelist_free(filelist);
123 }
124 if( m_album ) /* retreive songs... */
125 {
126 artist = m_artist;
127 album = m_album;
128 if( album[0] == 0 )
129 {
130 album = g_strdup(_("All tracks"));
131 filelist = mpdclient_filelist_search_utf8(c,
132 MPD_TABLE_ARTIST,
133 artist);
134 }
135 else
136 filelist = mpdclient_filelist_search_utf8(c,
137 MPD_TABLE_ALBUM,
138 album);
139 /* add a dummy entry for ".." */
140 filelist_entry_t *entry = g_malloc0(sizeof(filelist_entry_t));
141 entry->entity = NULL;
142 filelist->list = g_list_insert(filelist->list, entry, 0);
143 filelist->length++;
144 /* install playlist callback and fix highlights */
145 sync_highlights(c, filelist);
146 mpdclient_install_playlist_callback(c, playlist_changed_callback);
147 }
148 else if( m_artist ) /* retreive albums... */
149 {
150 artist = m_artist;
151 metalist = mpdclient_get_albums_utf8(c, m_artist);
152 /* add a dummy entry for ".." */
153 metalist = g_list_insert(metalist, g_strdup(".."), 0);
154 /* add a dummy entry for all songs */
155 metalist = g_list_insert(metalist, g_strdup(_("All tracks")), -1);
157 }
158 else /* retreive artists... */
159 {
160 metalist = mpdclient_get_artists_utf8(c);
161 }
162 metalist_length = g_list_length(metalist);
163 }
165 static void
166 init(WINDOW *w, int cols, int rows)
167 {
168 lw = list_window_init(w, cols, rows);
169 artist = NULL;
170 album = NULL;
171 }
173 static void
174 quit(void)
175 {
176 /* clear list window state */
177 if( lw_state_list )
178 {
179 GList *list = lw_state_list;
180 while( list )
181 {
182 g_free(list->data);
183 list->data = NULL;
184 list = list->next;
185 }
186 g_list_free(lw_state_list);
187 lw_state_list = NULL;
188 }
190 if( filelist )
191 filelist = mpdclient_filelist_free(filelist);
192 if( metalist )
193 metalist = string_list_free(metalist);
194 g_free(artist);
195 g_free(album);
196 artist = NULL;
197 album = NULL;
198 list_window_free(lw);
199 }
201 static void
202 open(screen_t *screen, mpdclient_t *c)
203 {
204 if( metalist==NULL && filelist ==NULL)
205 update_metalist(c, NULL, NULL);
206 }
208 static void
209 resize(int cols, int rows)
210 {
211 lw->cols = cols;
212 lw->rows = rows;
213 }
215 static void
216 close(void)
217 {
218 }
220 static void
221 paint(screen_t *screen, mpdclient_t *c)
222 {
223 lw->clear = 1;
225 if( filelist )
226 {
227 list_window_paint(lw, browse_lw_callback, (void *) filelist);
228 filelist->updated = FALSE;
229 }
230 else if( metalist )
231 {
232 list_window_paint(lw, artist_lw_callback, (void *) metalist);
233 }
234 else
235 {
236 wmove(lw->w, 0, 0);
237 wclrtobot(lw->w);
238 }
239 wnoutrefresh(lw->w);
240 }
242 static void
243 update(screen_t *screen, mpdclient_t *c)
244 {
245 if( filelist==NULL || filelist->updated )
246 {
247 paint(screen, c);
248 return;
249 }
250 list_window_paint(lw, browse_lw_callback, (void *) filelist);
251 wnoutrefresh(lw->w);
252 }
254 static char *
255 get_title(char *str, size_t size)
256 {
257 char *s1 = artist ? utf8_to_locale(artist) : NULL;
258 char *s2 = album ? utf8_to_locale(album) : NULL;
260 if( album )
261 g_snprintf(str, size, _("Artist: %s - %s"), s1, s2);
262 else if( artist )
263 g_snprintf(str, size, _("Artist: %s"), s1);
264 else
265 g_snprintf(str, size, _("Artist: [db browser - EXPERIMENTAL]"));
266 g_free(s1);
267 g_free(s2);
268 return str;
269 }
271 static list_window_t *
272 get_filelist_window()
273 {
274 return lw;
275 }
277 static int
278 artist_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
279 {
280 switch(cmd)
281 {
282 case CMD_PLAY:
283 if( artist && album )
284 {
285 if( lw->selected==0 ) /* handle ".." */
286 {
287 update_metalist(c, g_strdup(artist), NULL);
288 list_window_reset(lw);
289 /* restore previous list window state */
290 pop_lw_state();
291 }
292 else
293 browse_handle_enter(screen, c, lw, filelist);
294 }
295 else if ( artist )
296 {
297 if( lw->selected == 0 ) /* handle ".." */
299 {
300 update_metalist(c, NULL, NULL);
301 list_window_reset(lw);
302 /* restore previous list window state */
303 pop_lw_state();
304 }
305 else if( lw->selected == metalist_length-1) /* handle "show all" */
306 {
307 update_metalist(c, g_strdup(artist), g_strdup("\0"));
308 push_lw_state();
309 list_window_reset(lw);
310 }
311 else /* select album */
312 {
313 char *selected = (char *) g_list_nth_data(metalist, lw->selected);
314 update_metalist(c, g_strdup(artist), g_strdup(selected));
315 push_lw_state();
316 list_window_reset(lw);
317 }
318 }
319 else
320 {
321 char *selected = (char *) g_list_nth_data(metalist, lw->selected);
322 update_metalist(c, g_strdup(selected), NULL);
323 push_lw_state();
324 list_window_reset(lw);
325 }
326 return 1;
328 case CMD_SELECT:
329 if( browse_handle_select(screen, c, lw, filelist) == 0 )
330 {
331 /* continue and select next item... */
332 cmd = CMD_LIST_NEXT;
333 }
334 return 1;
336 /* continue and update... */
337 case CMD_SCREEN_UPDATE:
338 return 0;
340 case CMD_LIST_FIND:
341 case CMD_LIST_RFIND:
342 case CMD_LIST_FIND_NEXT:
343 case CMD_LIST_RFIND_NEXT:
344 if( filelist )
345 return screen_find(screen, c,
346 lw, filelist->length,
347 cmd, browse_lw_callback, (void *) filelist);
348 else if ( metalist )
349 return screen_find(screen, c,
350 lw, metalist_length,
351 cmd, artist_lw_callback, (void *) metalist);
352 else
353 return 1;
355 case CMD_MOUSE_EVENT:
356 return browse_handle_mouse_event(screen,c,lw,filelist);
358 default:
359 if( filelist )
360 return list_window_cmd(lw, filelist->length, cmd);
361 else if( metalist )
362 return list_window_cmd(lw, metalist_length, cmd);
363 }
365 return 0;
366 }
368 screen_functions_t *
369 get_screen_artist(void)
370 {
371 static screen_functions_t functions;
373 memset(&functions, 0, sizeof(screen_functions_t));
374 functions.init = init;
375 functions.exit = quit;
376 functions.open = open;
377 functions.close = close;
378 functions.resize = resize;
379 functions.paint = paint;
380 functions.update = update;
381 functions.cmd = artist_cmd;
382 functions.get_lw = get_filelist_window;
383 functions.get_title = get_title;
385 return &functions;
386 }
389 #endif /* ENABLE_ARTIST_SCREEN */