Code

Added a add command (for adding files or urls to the playlist)
[ncmpc.git] / src / screen_play.c
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>
26 #include <panel.h>
28 #include "config.h"
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 "wreadln.h"
36 #include "command.h"
37 #include "colors.h"
38 #include "screen.h"
39 #include "screen_utils.h"
41 #define MAX_SONG_LENGTH 512
43 static list_window_t *lw = NULL;
45 static void 
46 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
47 {
48   D("screen_play.c> playlist_callback() [%d]\n", event);
49   switch(event)
50     {
51     case PLAYLIST_EVENT_DELETE:
52       break;
53     case PLAYLIST_EVENT_MOVE:
54       lw->selected = *((int *) data);
55       break;
56     default:
57       break;
58     }
59   /* make shure the playlist is repainted */
60   lw->clear = 1;
61   lw->repaint = 1;
62   list_window_check_selected(lw, c->playlist.length);
63 }
65 static char *
66 list_callback(int index, int *highlight, void *data)
67 {
68   static char songname[MAX_SONG_LENGTH];
69   mpdclient_t *c = (mpdclient_t *) data;
70   mpd_Song *song;
72   *highlight = 0;
73   if( (song=playlist_get_song(c, index)) == NULL )
74     {
75       return NULL;
76     }
78   if( c->song && song->id==c->song->id && !IS_STOPPED(c->status->state) )
79     {
80       *highlight = 1;
81     }
82   strfsong(songname, MAX_SONG_LENGTH, LIST_FORMAT, song);
83   return songname;
84 }
86 static int
87 center_playing_item(screen_t *screen, mpdclient_t *c)
88 {
89   int length = c->playlist.length;
90   int offset = lw->selected-lw->start;
91   int index;
92   
93   if( !lw || !c->song || length<lw->rows || IS_STOPPED(c->status->state) )
94     return 0;
96   /* try to center the song that are playing */
97   index = playlist_get_index(c, c->song);
98   D("Autocenter song id:%d pos:%d index:%d\n", c->song->id,c->song->pos,index);
99   lw->start = index-(lw->rows/2);
100   if( lw->start+lw->rows > length )
101     lw->start = length-lw->rows;
102   if( lw->start<0 )
103     lw->start=0;
105   /* make sure the cursor is in the window */
106   lw->selected = lw->start+offset;
107   list_window_check_selected(lw, length);
109   lw->clear = 1;
110   lw->repaint = 1;
112   return 0;
115 static int
116 handle_save_playlist(screen_t *screen, mpdclient_t *c, char *name)
118   gchar *filename;
119   gint error;
121   if( name==NULL )
122     {
123       /* query the user for a filename */
124       filename=screen_getstr(screen->status_window.w, _("Save playlist as: "));
125       filename=trim(filename);
126     }
127   else
128     {
129       filename=g_strdup(name);
130     }
131   if( filename==NULL || filename[0]=='\0' )
132     return -1;
133   /* send save command to mpd */
134   D("Saving playlist as \'%s \'...\n", filename);
135   if( (error=mpdclient_cmd_save_playlist(c, filename)) )
136     {
137       gint code = GET_ACK_ERROR_CODE(error);
139       if( code == MPD_ACK_ERROR_EXIST )
140         {
141           char buf[256];
142           int key;
144           snprintf(buf, 256, _("Replace %s [%s/%s] ? "), filename, YES, NO);
145           key = tolower(screen_getch(screen->status_window.w, buf));
146           if( key == YES[0] )
147             {
148               char *filename_utf8 = locale_to_utf8(filename);
149               
150               if( mpdclient_cmd_delete_playlist(c, filename_utf8) )
151                 {
152                   g_free(filename);
153                   g_free(filename_utf8);
154                   return -1;
155                 }
156               g_free(filename_utf8);
157               error = handle_save_playlist(screen, c, filename);
158               g_free(filename);
159               return error;
160             }     
161           screen_status_printf(_("Aborted!"));
162         }
163       g_free(filename);
164       return -1;
165     }
166   /* success */
167   screen_status_printf(_("Saved %s"), filename);
168   g_free(filename);
169   return 0;
172 static int
173 handle_add_to_playlist(screen_t *screen, mpdclient_t *c)
175   gchar *path;
176   GCompletion *gcmp;
177   GList *list = NULL;
178   GList *dir_list = NULL;
180   void add_dir(gchar *dir)
181     {
182       g_completion_remove_items(gcmp, list);
183       list = string_list_remove(list, dir);
184       list = gcmp_list_from_path(c, dir, list);
185       g_completion_add_items(gcmp, list);
186       dir_list = g_list_append(dir_list, g_strdup(dir));
187     }
189   void pre_completion_cb(GCompletion *gcmp, gchar *line)        
190     {
191       if( list == NULL )
192         {
193           /* create initial list */
194           list = gcmp_list_from_path(c, "", NULL);
195           g_completion_add_items(gcmp, list);
196         }
197       else if( line && line[0] && line[strlen(line)-1]=='/' &&
198                string_list_find(dir_list, line) == NULL )
199         {         
200           /* add directory content to list */
201           add_dir(line);
202         }
203     }
205   void post_completion_cb(GCompletion *gcmp, gchar *line, GList *items)
206     {
207       if( g_list_length(items)>1 )
208         screen_display_completion_list(screen, items);
210       if( line && line[0] && line[strlen(line)-1]=='/' &&
211           string_list_find(dir_list, line) == NULL )
212         {         
213           /* add directory content to list */
214           add_dir(line);
215         }
216     }
217     
219   gcmp = g_completion_new(NULL);
220   g_completion_set_compare(gcmp, strncmp);
222   wrln_pre_completion_callback = pre_completion_cb;
223   wrln_post_completion_callback = post_completion_cb;
224   path = screen_readln(screen->status_window.w, 
225                        _("Add: "),
226                        NULL, 
227                        NULL, 
228                        gcmp);
229   wrln_pre_completion_callback = NULL;
230   wrln_post_completion_callback = NULL;
231   
232   g_completion_free(gcmp);
234   string_list_free(list);
235   string_list_free(dir_list);
237   if( path && path[0] )
238     mpdclient_cmd_add_path(c, path);
240   return 0;
243 static void
244 play_init(WINDOW *w, int cols, int rows)
246   lw = list_window_init(w, cols, rows);
249 static void
250 play_open(screen_t *screen, mpdclient_t *c)
252   static gboolean install_cb = TRUE;
254   if( install_cb )
255     {
256       mpdclient_install_playlist_callback(c, playlist_changed_callback);
257       install_cb = FALSE;
258     }
261 static void
262 play_resize(int cols, int rows)
264   lw->cols = cols;
265   lw->rows = rows;
269 static void
270 play_exit(void)
272   list_window_free(lw);
275 static char *
276 play_title(char *str, size_t size)
278   if( strcmp(options.host, "localhost") == 0 )
279     return _("Playlist");
280   
281   snprintf(str, size, _("Playlist on %s"), options.host);
283   return str;
286 static void
287 play_paint(screen_t *screen, mpdclient_t *c)
288
289   lw->clear = 1;
291   list_window_paint(lw, list_callback, (void *) c);
292   wnoutrefresh(lw->w);
295 static void
296 play_update(screen_t *screen, mpdclient_t *c)
298   if( options.auto_center )
299     {
300       static int prev_song_id = 0;
301       
302       if( c->song && prev_song_id != c->song->id )      
303         {
304           center_playing_item(screen, c);
305           prev_song_id = c->song->id;
306         }
307     }
309   if( c->playlist.updated )
310     {
311       if( lw->selected >= c->playlist.length )
312         lw->selected = c->playlist.length-1;
313       if( lw->start    >= c->playlist.length )
314         list_window_reset(lw);
316       play_paint(screen, c);
317       c->playlist.updated = FALSE;
318     }
319   else if( lw->repaint || 1)
320     {
321       list_window_paint(lw, list_callback, (void *) c);
322       wnoutrefresh(lw->w);
323       lw->repaint = 0;
324     }
327 static int
328 play_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
330   switch(cmd)
331     {
332     case CMD_PLAY:
333       mpdclient_cmd_play(c, lw->selected);
334       return 1;
335     case CMD_DELETE:
336       mpdclient_cmd_delete(c, lw->selected);
337       return 1;
338     case CMD_SAVE_PLAYLIST:
339       handle_save_playlist(screen, c, NULL);
340       return 1;
341     case CMD_ADD:
342       handle_add_to_playlist(screen, c);
343       return 1;
344     case CMD_SCREEN_UPDATE:
345       center_playing_item(screen, c);
346       return 1;
347     case CMD_LIST_MOVE_UP:
348       mpdclient_cmd_move(c, lw->selected, lw->selected-1);
349       return 1;
350     case CMD_LIST_MOVE_DOWN:
351       mpdclient_cmd_move(c, lw->selected, lw->selected+1);
352       return 1;
353     case CMD_LIST_FIND:
354     case CMD_LIST_RFIND:
355     case CMD_LIST_FIND_NEXT:
356     case CMD_LIST_RFIND_NEXT:
357       return screen_find(screen, c, 
358                          lw, c->playlist.length,
359                          cmd, list_callback);
360     default:
361       break;
362     }
363   return list_window_cmd(lw, c->playlist.length, cmd) ;
368 static list_window_t *
369 play_lw(void)
371   return lw;
375 screen_functions_t *
376 get_screen_playlist(void)
378   static screen_functions_t functions;
380   memset(&functions, 0, sizeof(screen_functions_t));
381   functions.init   = play_init;
382   functions.exit   = play_exit;
383   functions.open   = play_open;
384   functions.close  = NULL;
385   functions.resize = play_resize;
386   functions.paint  = play_paint;
387   functions.update = play_update;
388   functions.cmd    = play_cmd;
389   functions.get_lw = play_lw;
390   functions.get_title = play_title;
392   return &functions;