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