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