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 <stdlib.h>
22 #include <string.h>
23 #include <glib.h>
24 #include <ncurses.h>
26 #include "config.h"
27 #include "ncmpc.h"
28 #include "options.h"
29 #include "support.h"
30 #include "mpdclient.h"
31 #include "strfsong.h"
32 #include "command.h"
33 #include "screen.h"
34 #include "screen_utils.h"
36 #define MAX_SONG_LENGTH 512
38 static list_window_t *lw = NULL;
40 static void
41 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
42 {
43 D("screen_play.c> playlist_callback() [%d]\n", event);
44 switch(event)
45 {
46 case PLAYLIST_EVENT_DELETE:
47 break;
48 case PLAYLIST_EVENT_MOVE:
49 lw->selected = *((int *) data);
50 break;
51 default:
52 break;
53 }
54 /* make shure the playlist is repainted */
55 lw->clear = 1;
56 lw->repaint = 1;
57 list_window_check_selected(lw, c->playlist.length);
58 }
60 static char *
61 list_callback(int index, int *highlight, void *data)
62 {
63 static char songname[MAX_SONG_LENGTH];
64 mpdclient_t *c = (mpdclient_t *) data;
65 mpd_Song *song;
67 *highlight = 0;
68 if( (song=playlist_get_song(c, index)) == NULL )
69 {
70 return NULL;
71 }
73 if( c->song && song->id==c->song->id && !IS_STOPPED(c->status->state) )
74 {
75 *highlight = 1;
76 }
77 strfsong(songname, MAX_SONG_LENGTH, LIST_FORMAT, song);
78 return songname;
79 }
81 static int
82 center_playing_item(screen_t *screen, mpdclient_t *c)
83 {
84 int length = c->playlist.length;
85 int offset = lw->selected-lw->start;
86 int index;
88 if( !lw || !c->song || length<lw->rows || IS_STOPPED(c->status->state) )
89 return 0;
91 /* try to center the song that are playing */
92 index = playlist_get_index(c, c->song);
93 D("Autocenter song id:%d pos:%d index:%d\n", c->song->id,c->song->pos,index);
94 lw->start = index-(lw->rows/2);
95 if( lw->start+lw->rows > length )
96 lw->start = length-lw->rows;
97 if( lw->start<0 )
98 lw->start=0;
100 /* make sure the cursor is in the window */
101 lw->selected = lw->start+offset;
102 list_window_check_selected(lw, length);
104 lw->clear = 1;
105 lw->repaint = 1;
107 return 0;
108 }
110 static int
111 handle_save_playlist(screen_t *screen, mpdclient_t *c)
112 {
113 char *filename;
115 filename=screen_getstr(screen->status_window.w, _("Save playlist as: "));
116 filename=trim(filename);
117 if( filename==NULL || filename[0]=='\0' )
118 return -1;
119 /* send save command to mpd */
120 if( mpdclient_cmd_save_playlist(c, filename) )
121 {
122 beep();
123 return -1;
124 }
125 /* success */
126 screen_status_printf(_("Saved %s"), filename);
127 g_free(filename);
128 return 0;
129 }
131 static void
132 play_init(WINDOW *w, int cols, int rows)
133 {
134 lw = list_window_init(w, cols, rows);
135 }
137 static void
138 play_open(screen_t *screen, mpdclient_t *c)
139 {
140 static gboolean install_cb = TRUE;
142 if( install_cb )
143 {
144 mpdclient_install_playlist_callback(c, playlist_changed_callback);
145 install_cb = FALSE;
146 }
147 }
149 static void
150 play_resize(int cols, int rows)
151 {
152 lw->cols = cols;
153 lw->rows = rows;
154 }
157 static void
158 play_exit(void)
159 {
160 list_window_free(lw);
161 }
163 static char *
164 play_title(char *str, size_t size)
165 {
166 if( strcmp(options.host, "localhost") == 0 )
167 return _("Playlist");
169 snprintf(str, size, _("Playlist on %s"), options.host);
171 return str;
172 }
174 static void
175 play_paint(screen_t *screen, mpdclient_t *c)
176 {
177 lw->clear = 1;
179 list_window_paint(lw, list_callback, (void *) c);
180 wnoutrefresh(lw->w);
181 }
183 static void
184 play_update(screen_t *screen, mpdclient_t *c)
185 {
186 if( options.auto_center )
187 {
188 static int prev_song_id = 0;
190 if( c->song && prev_song_id != c->song->id )
191 {
192 center_playing_item(screen, c);
193 prev_song_id = c->song->id;
194 }
195 }
197 if( c->playlist.updated )
198 {
199 if( lw->selected >= c->playlist.length )
200 lw->selected = c->playlist.length-1;
201 if( lw->start >= c->playlist.length )
202 list_window_reset(lw);
204 play_paint(screen, c);
205 c->playlist.updated = FALSE;
206 }
207 else if( lw->repaint || 1)
208 {
209 list_window_paint(lw, list_callback, (void *) c);
210 wnoutrefresh(lw->w);
211 lw->repaint = 0;
212 }
213 }
215 static int
216 play_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
217 {
218 switch(cmd)
219 {
220 case CMD_PLAY:
221 mpdclient_cmd_play(c, lw->selected);
222 break;
223 case CMD_DELETE:
224 mpdclient_cmd_delete(c, lw->selected);
225 return 1;
226 case CMD_SAVE_PLAYLIST:
227 handle_save_playlist(screen, c);
228 return 1;
229 case CMD_SCREEN_UPDATE:
230 center_playing_item(screen, c);
231 return 1;
232 case CMD_LIST_MOVE_UP:
233 mpdclient_cmd_move(c, lw->selected, lw->selected-1);
234 break;
235 case CMD_LIST_MOVE_DOWN:
236 mpdclient_cmd_move(c, lw->selected, lw->selected+1);
237 break;
238 case CMD_LIST_FIND:
239 case CMD_LIST_RFIND:
240 case CMD_LIST_FIND_NEXT:
241 case CMD_LIST_RFIND_NEXT:
242 return screen_find(screen, c,
243 lw, c->playlist.length,
244 cmd, list_callback);
245 default:
246 break;
247 }
248 return list_window_cmd(lw, c->playlist.length, cmd) ;
249 }
253 static list_window_t *
254 play_lw(void)
255 {
256 return lw;
257 }
260 screen_functions_t *
261 get_screen_playlist(void)
262 {
263 static screen_functions_t functions;
265 memset(&functions, 0, sizeof(screen_functions_t));
266 functions.init = play_init;
267 functions.exit = play_exit;
268 functions.open = play_open;
269 functions.close = NULL;
270 functions.resize = play_resize;
271 functions.paint = play_paint;
272 functions.update = play_update;
273 functions.cmd = play_cmd;
274 functions.get_lw = play_lw;
275 functions.get_title = play_title;
277 return &functions;
278 }