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(void);
  41
  42 static void
  43 file_repaint(void)
  44 {
  45         browse_paint();
  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 != YES[0] ) {
 129                 screen_status_printf(_("Aborted!"));
 130                 return 0;
 131         }
 132
 133         if( mpdclient_cmd_delete_playlist_utf8(c, plf->path) )
 134                 return -1;
 135
 136         screen_status_printf(_("Playlist deleted!"));
 137         return 0;
 138 }
 139
 140 static void
 141 browse_init(WINDOW *w, int cols, int rows)
 142 {
 143         browser.lw = list_window_init(w, cols, rows);
 144 }
 145
 146 static void
 147 browse_resize(int cols, int rows)
 148 {
 149         browser.lw->cols = cols;
 150         browser.lw->rows = rows;
 151 }
 152
 153 static void
 154 browse_exit(void)
 155 {
 156         if (browser.filelist)
 157                 filelist_free(browser.filelist);
 158         list_window_free(browser.lw);
 159 }
 160
 161 static void
 162 browse_open(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
 163 {
 164         if (browser.filelist == NULL) {
 165                 browser.filelist = mpdclient_filelist_get(c, "");
 166                 mpdclient_install_playlist_callback(c, playlist_changed_callback);
 167                 mpdclient_install_browse_callback(c, file_changed_callback);
 168         }
 169 }
 170
 171 static const char *
 172 browse_title(char *str, size_t size)
 173 {
 174         char *dirname, *parentdir;
 175
 176         dirname = g_path_get_dirname(browser.filelist->path);
 177         parentdir = g_path_get_basename(dirname);
 178
 179         if( parentdir[0] == '.' && strlen(parentdir) == 1 ) {
 180                 parentdir = NULL;
 181         }
 182
 183         g_snprintf(str, size, _("Browse: %s%s%s"),
 184                    parentdir ? parentdir : "",
 185                    parentdir ? "/" : "",
 186                    g_basename(browser.filelist->path));
 187         free(dirname);
 188         free(parentdir);
 189         return str;
 190 }
 191
 192 static void
 193 browse_paint(void)
 194 {
 195         list_window_paint(browser.lw, browser_lw_callback, browser.filelist);
 196 }
 197
 198 static int
 199 browse_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
 200 {
 201         switch(cmd) {
 202         case CMD_GO_ROOT_DIRECTORY:
 203                 browser_change_directory(&browser, c, NULL, "");
 204                 file_repaint();
 205                 return 1;
 206         case CMD_GO_PARENT_DIRECTORY:
 207                 browser_change_directory(&browser, c, NULL, "..");
 208                 file_repaint();
 209                 return 1;
 210
 211         case CMD_DELETE:
 212                 handle_delete(screen, c);
 213                 file_repaint();
 214                 break;
 215         case CMD_SAVE_PLAYLIST:
 216                 handle_save(screen, c);
 217                 break;
 218         case CMD_SCREEN_UPDATE:
 219                 browser.filelist = mpdclient_filelist_update(c, browser.filelist);
 220                 sync_highlights(c, browser.filelist);
 221                 list_window_check_selected(browser.lw,
 222                                            filelist_length(browser.filelist));
 223                 file_repaint();
 224
 225                 screen_status_printf(_("Screen updated!"));
 226                 return 0;
 227
 228         case CMD_DB_UPDATE:
 229                 if (c->status == NULL)
 230                         return 1;
 231
 232                 if (!c->status->updatingDb) {
 233                         if (mpdclient_cmd_db_update_utf8(c, browser.filelist->path) == 0) {
 234                                 if (strcmp(browser.filelist->path, ""))
 235                                         screen_status_printf(_("Database update of %s started!"),
 236                                                              browser.filelist->path);
 237                                 else
 238                                         screen_status_printf(_("Database update started!"));
 239
 240                                 /* set updatingDb to make shure the browse callback gets called
 241                                  * even if the updated has finished before status is updated */
 242                                 c->status->updatingDb = 1;
 243                         }
 244                 } else
 245                         screen_status_printf(_("Database update running..."));
 246                 return 1;
 247
 248         default:
 249                 break;
 250         }
 251
 252         if (browser_cmd(&browser, screen, c, cmd)) {
 253                 file_repaint();
 254                 return 1;
 255         }
 256
 257         return 0;
 258 }
 259
 260 const struct screen_functions screen_browse = {
 261         .init = browse_init,
 262         .exit = browse_exit,
 263         .open = browse_open,
 264         .resize = browse_resize,
 265         .paint = browse_paint,
 266         .cmd = browse_cmd,
 267         .get_title = browse_title,
 268 };