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 "ncmpc.h"
  21 #include "options.h"
  22 #include "support.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 #include <ncurses.h>
  36
  37 static struct screen_browser browser;
  38
  39 /* the db have changed -> update the filelist */
  40 static void
  41 file_changed_callback(mpdclient_t *c, mpd_unused int event,
  42                       mpd_unused gpointer data)
  43 {
  44         D("screen_file.c> filelist_callback() [%d]\n", event);
  45         browser.filelist = mpdclient_filelist_update(c, browser.filelist);
  46         sync_highlights(c, browser.filelist);
  47         list_window_check_selected(browser.lw, filelist_length(browser.filelist));
  48 }
  49
  50 /* the playlist have been updated -> fix highlights */
  51 static void
  52 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
  53 {
  54         browser_playlist_changed(&browser, c, event, data);
  55 }
  56
  57 static int
  58 handle_save(screen_t *screen, mpdclient_t *c)
  59 {
  60         filelist_entry_t *entry;
  61         char *defaultname = NULL;
  62
  63         if (browser.lw->selected >= filelist_length(browser.filelist))
  64                 return -1;
  65
  66         entry = filelist_get(browser.filelist, browser.lw->selected);
  67         if( entry && entry->entity ) {
  68                 mpd_InfoEntity *entity = entry->entity;
  69                 if( entity->type==MPD_INFO_ENTITY_TYPE_PLAYLISTFILE ) {
  70                         mpd_PlaylistFile *plf = entity->info.playlistFile;
  71                         defaultname = plf->path;
  72                 }
  73         }
  74
  75         return playlist_save(screen, c, NULL, defaultname);
  76 }
  77
  78 static int
  79 handle_delete(screen_t *screen, mpdclient_t *c)
  80 {
  81         filelist_entry_t *entry;
  82         mpd_InfoEntity *entity;
  83         mpd_PlaylistFile *plf;
  84         char *str, *buf;
  85         int key;
  86
  87         if (browser.lw->selected >= filelist_length(browser.filelist))
  88                 return -1;
  89
  90         entry = filelist_get(browser.filelist, browser.lw->selected);
  91         if( entry==NULL || entry->entity==NULL )
  92                 return -1;
  93
  94         entity = entry->entity;
  95
  96         if( entity->type!=MPD_INFO_ENTITY_TYPE_PLAYLISTFILE ) {
  97                 screen_status_printf(_("You can only delete playlists!"));
  98                 screen_bell();
  99                 return -1;
 100         }
 101
 102         plf = entity->info.playlistFile;
 103         str = utf8_to_locale(basename(plf->path));
 104         buf = g_strdup_printf(_("Delete playlist %s [%s/%s] ? "), str, YES, NO);
 105         g_free(str);
 106         key = tolower(screen_getch(screen->status_window.w, buf));
 107         g_free(buf);
 108         if( key==KEY_RESIZE )
 109                 screen_resize();
 110         if( key != YES[0] ) {
 111                 screen_status_printf(_("Aborted!"));
 112                 return 0;
 113         }
 114
 115         if( mpdclient_cmd_delete_playlist_utf8(c, plf->path) )
 116                 return -1;
 117
 118         screen_status_printf(_("Playlist deleted!"));
 119         return 0;
 120 }
 121
 122 static void
 123 browse_init(WINDOW *w, int cols, int rows)
 124 {
 125         browser.lw = list_window_init(w, cols, rows);
 126         browser.lw_state = list_window_init_state();
 127 }
 128
 129 static void
 130 browse_resize(int cols, int rows)
 131 {
 132         browser.lw->cols = cols;
 133         browser.lw->rows = rows;
 134 }
 135
 136 static void
 137 browse_exit(void)
 138 {
 139         if (browser.filelist)
 140                 filelist_free(browser.filelist);
 141         list_window_free(browser.lw);
 142         list_window_free_state(browser.lw_state);
 143 }
 144
 145 static void
 146 browse_open(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
 147 {
 148         if (browser.filelist == NULL) {
 149                 browser.filelist = mpdclient_filelist_get(c, "");
 150                 mpdclient_install_playlist_callback(c, playlist_changed_callback);
 151                 mpdclient_install_browse_callback(c, file_changed_callback);
 152         }
 153 }
 154
 155 static const char *
 156 browse_title(char *str, size_t size)
 157 {
 158         char *pathcopy;
 159         char *parentdir;
 160
 161         pathcopy = strdup(browser.filelist->path);
 162         parentdir = dirname(pathcopy);
 163         parentdir = basename(parentdir);
 164
 165         if( parentdir[0] == '.' && strlen(parentdir) == 1 ) {
 166                 parentdir = NULL;
 167         }
 168
 169         g_snprintf(str, size, _("Browse: %s%s%s"),
 170                    parentdir ? parentdir : "",
 171                    parentdir ? "/" : "",
 172                    basename(browser.filelist->path));
 173         free(pathcopy);
 174         return str;
 175 }
 176
 177 static void
 178 browse_paint(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
 179 {
 180         browser.lw->clear = 1;
 181
 182         list_window_paint(browser.lw, browser_lw_callback, browser.filelist);
 183         wnoutrefresh(browser.lw->w);
 184 }
 185
 186 static void
 187 browse_update(screen_t *screen, mpdclient_t *c)
 188 {
 189         if (browser.filelist->updated) {
 190                 browse_paint(screen, c);
 191                 browser.filelist->updated = FALSE;
 192                 return;
 193         }
 194
 195         list_window_paint(browser.lw, browser_lw_callback, browser.filelist);
 196         wnoutrefresh(browser.lw->w);
 197 }
 198
 199 static int
 200 browse_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
 201 {
 202         switch(cmd) {
 203         case CMD_PLAY:
 204                 browser_handle_enter(&browser, c);
 205                 return 1;
 206         case CMD_GO_ROOT_DIRECTORY:
 207                 return browser_change_directory(&browser, c, NULL, "");
 208                 break;
 209         case CMD_GO_PARENT_DIRECTORY:
 210                 return browser_change_directory(&browser, c, NULL, "..");
 211                 break;
 212         case CMD_SELECT:
 213                 if (browser_handle_select(&browser, c) == 0) {
 214                         /* continue and select next item... */
 215                         cmd = CMD_LIST_NEXT;
 216                 }
 217                 break;
 218         case CMD_DELETE:
 219                 handle_delete(screen, c);
 220                 break;
 221         case CMD_SAVE_PLAYLIST:
 222                 handle_save(screen, c);
 223                 break;
 224         case CMD_SCREEN_UPDATE:
 225                 browser.filelist = mpdclient_filelist_update(c, browser.filelist);
 226                 list_window_check_selected(browser.lw,
 227                                            filelist_length(browser.filelist));
 228                 screen_status_printf(_("Screen updated!"));
 229                 return 0;
 230
 231         case CMD_DB_UPDATE:
 232                 if (c->status == NULL)
 233                         return 1;
 234
 235                 if (!c->status->updatingDb) {
 236                         if (mpdclient_cmd_db_update_utf8(c, browser.filelist->path) == 0) {
 237                                 if (strcmp(browser.filelist->path, ""))
 238                                         screen_status_printf(_("Database update of %s started!"),
 239                                                              browser.filelist->path);
 240                                 else
 241                                         screen_status_printf(_("Database update started!"));
 242
 243                                 /* set updatingDb to make shure the browse callback gets called
 244                                  * even if the updated has finished before status is updated */
 245                                 c->status->updatingDb = 1;
 246                         }
 247                 } else
 248                         screen_status_printf(_("Database update running..."));
 249                 return 1;
 250         case CMD_LIST_FIND:
 251         case CMD_LIST_RFIND:
 252         case CMD_LIST_FIND_NEXT:
 253         case CMD_LIST_RFIND_NEXT:
 254                 return screen_find(screen,
 255                                    browser.lw, filelist_length(browser.filelist),
 256                                    cmd, browser_lw_callback,
 257                                    browser.filelist);
 258         case CMD_MOUSE_EVENT:
 259                 return browser_handle_mouse_event(&browser, c);
 260         default:
 261                 break;
 262         }
 263
 264         return list_window_cmd(browser.lw, filelist_length(browser.filelist), cmd);
 265 }
 266
 267 const struct screen_functions screen_browse = {
 268         .init = browse_init,
 269         .exit = browse_exit,
 270         .open = browse_open,
 271         .resize = browse_resize,
 272         .paint = browse_paint,
 273         .update = browse_update,
 274         .cmd = browse_cmd,
 275         .get_title = browse_title,
 276 };
 277