src/screen_file.c

   1 /*
   2  * (c) 2004 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  */
  18
  19 #include "config.h"
  20 #include "i18n.h"
  21 #include "options.h"
  22 #include "charset.h"
  23 #include "mpdclient.h"
  24 #include "command.h"
  25 #include "screen.h"
  26 #include "screen_utils.h"
  27 #include "screen_browser.h"
  28 #include "screen_play.h"
  29 #include "gcc.h"
  30
  31 #include <ctype.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34 #include <glib.h>
  35
  36 static struct screen_browser browser;
  37
  38 static void
  39 browse_paint(void);
  40
  41 static void
  42 file_repaint(void)
  43 {
  44         browse_paint();
  45         wrefresh(browser.lw->w);
  46 }
  47
  48 static void
  49 file_repaint_if_active(void)
  50 {
  51         if (screen_is_visible(&screen_browse))
  52                 file_repaint();
  53 }
  54
  55 /* the db have changed -> update the filelist */
  56 static void
  57 file_changed_callback(mpdclient_t *c, mpd_unused int event,
  58                       mpd_unused gpointer data)
  59 {
  60         browser.filelist = mpdclient_filelist_update(c, browser.filelist);
  61 #ifndef NCMPC_MINI
  62         sync_highlights(c, browser.filelist);
  63 #endif
  64         list_window_check_selected(browser.lw, filelist_length(browser.filelist));
  65
  66         file_repaint_if_active();
  67 }
  68
  69 #ifndef NCMPC_MINI
  70 /* the playlist have been updated -> fix highlights */
  71 static void
  72 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
  73 {
  74         browser_playlist_changed(&browser, c, event, data);
  75
  76         file_repaint_if_active();
  77 }
  78 #endif
  79
  80 static int
  81 handle_save(mpdclient_t *c)
  82 {
  83         filelist_entry_t *entry;
  84         char *defaultname = NULL;
  85
  86         if (browser.lw->selected >= filelist_length(browser.filelist))
  87                 return -1;
  88
  89         entry = filelist_get(browser.filelist, browser.lw->selected);
  90         if( entry && entry->entity ) {
  91                 mpd_InfoEntity *entity = entry->entity;
  92                 if( entity->type==MPD_INFO_ENTITY_TYPE_PLAYLISTFILE ) {
  93                         mpd_PlaylistFile *plf = entity->info.playlistFile;
  94                         defaultname = plf->path;
  95                 }
  96         }
  97
  98         return playlist_save(c, NULL, defaultname);
  99 }
 100
 101 static int
 102 handle_delete(mpdclient_t *c)
 103 {
 104         filelist_entry_t *entry;
 105         mpd_InfoEntity *entity;
 106         mpd_PlaylistFile *plf;
 107         char *str, *buf;
 108         int key;
 109
 110         if (browser.lw->selected >= filelist_length(browser.filelist))
 111                 return -1;
 112
 113         entry = filelist_get(browser.filelist, browser.lw->selected);
 114         if( entry==NULL || entry->entity==NULL )
 115                 return -1;
 116
 117         entity = entry->entity;
 118
 119         if( entity->type!=MPD_INFO_ENTITY_TYPE_PLAYLISTFILE ) {
 120                 screen_status_printf(_("You can only delete playlists!"));
 121                 screen_bell();
 122                 return -1;
 123         }
 124
 125         plf = entity->info.playlistFile;
 126         str = utf8_to_locale(g_basename(plf->path));
 127         buf = g_strdup_printf(_("Delete playlist %s [%s/%s] ? "), str, YES, NO);
 128         g_free(str);
 129         key = tolower(screen_getch(screen.status_window.w, buf));
 130         g_free(buf);
 131         if( key != YES[0] ) {
 132                 screen_status_printf(_("Aborted!"));
 133                 return 0;
 134         }
 135
 136         if( mpdclient_cmd_delete_playlist_utf8(c, plf->path) )
 137                 return -1;
 138
 139         screen_status_printf(_("Playlist deleted!"));
 140         return 0;
 141 }
 142
 143 static void
 144 browse_init(WINDOW *w, int cols, int rows)
 145 {
 146         browser.lw = list_window_init(w, cols, rows);
 147 }
 148
 149 static void
 150 browse_resize(int cols, int rows)
 151 {
 152         browser.lw->cols = cols;
 153         browser.lw->rows = rows;
 154 }
 155
 156 static void
 157 browse_exit(void)
 158 {
 159         if (browser.filelist)
 160                 filelist_free(browser.filelist);
 161         list_window_free(browser.lw);
 162 }
 163
 164 static void
 165 browse_open(mpd_unused mpdclient_t *c)
 166 {
 167         if (browser.filelist == NULL) {
 168                 browser.filelist = mpdclient_filelist_get(c, "");
 169 #ifndef NCMPC_MINI
 170                 mpdclient_install_playlist_callback(c, playlist_changed_callback);
 171 #endif
 172                 mpdclient_install_browse_callback(c, file_changed_callback);
 173         }
 174 }
 175
 176 static const char *
 177 browse_title(char *str, size_t size)
 178 {
 179         const char *path = NULL, *prev = NULL, *slash = browser.filelist->path;
 180
 181         /* determine the last 2 parts of the path */
 182         while ((slash = strchr(slash, '/')) != NULL) {
 183                 path = prev;
 184                 prev = ++slash;
 185         }
 186
 187         if (path == NULL)
 188                 /* fall back to full path */
 189                 path = browser.filelist->path;
 190
 191         g_snprintf(str, size, _("Browse: %s"), path);
 192         return str;
 193 }
 194
 195 static void
 196 browse_paint(void)
 197 {
 198         list_window_paint(browser.lw, browser_lw_callback, browser.filelist);
 199 }
 200
 201 static int
 202 browse_cmd(mpdclient_t *c, command_t cmd)
 203 {
 204         switch(cmd) {
 205         case CMD_GO_ROOT_DIRECTORY:
 206                 browser_change_directory(&browser, c, NULL, "");
 207                 file_repaint();
 208                 return 1;
 209         case CMD_GO_PARENT_DIRECTORY:
 210                 browser_change_directory(&browser, c, NULL, "..");
 211                 file_repaint();
 212                 return 1;
 213
 214         case CMD_DELETE:
 215                 handle_delete(c);
 216                 file_repaint();
 217                 break;
 218         case CMD_SAVE_PLAYLIST:
 219                 handle_save(c);
 220                 break;
 221         case CMD_SCREEN_UPDATE:
 222                 browser.filelist = mpdclient_filelist_update(c, browser.filelist);
 223 #ifndef NCMPC_MINI
 224                 sync_highlights(c, browser.filelist);
 225 #endif
 226                 list_window_check_selected(browser.lw,
 227                                            filelist_length(browser.filelist));
 228                 file_repaint();
 229
 230                 screen_status_printf(_("Screen updated!"));
 231                 return 0;
 232
 233         case CMD_DB_UPDATE:
 234                 if (c->status == NULL)
 235                         return 1;
 236
 237                 if (!c->status->updatingDb) {
 238                         if (mpdclient_cmd_db_update_utf8(c, browser.filelist->path) == 0) {
 239                                 if (strcmp(browser.filelist->path, ""))
 240                                         screen_status_printf(_("Database update of %s started!"),
 241                                                              browser.filelist->path);
 242                                 else
 243                                         screen_status_printf(_("Database update started!"));
 244
 245                                 /* set updatingDb to make shure the browse callback gets called
 246                                  * even if the updated has finished before status is updated */
 247                                 c->status->updatingDb = 1;
 248                         }
 249                 } else
 250                         screen_status_printf(_("Database update running..."));
 251                 return 1;
 252
 253         default:
 254                 break;
 255         }
 256
 257         if (browser_cmd(&browser, c, cmd)) {
 258                 file_repaint();
 259                 return 1;
 260         }
 261
 262         return 0;
 263 }
 264
 265 const struct screen_functions screen_browse = {
 266         .init = browse_init,
 267         .exit = browse_exit,
 268         .open = browse_open,
 269         .resize = browse_resize,
 270         .paint = browse_paint,
 271         .cmd = browse_cmd,
 272         .get_title = browse_title,
 273 };