src/screen_file.c

   1 /*
   2  * $Id$
   3  *
   4  * (c) 2004 by Kalle Wallin <kaw@linux.se>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  */
  20
  21 #include "config.h"
  22 #include "ncmpc.h"
  23 #include "options.h"
  24 #include "support.h"
  25 #include "mpdclient.h"
  26 #include "command.h"
  27 #include "screen.h"
  28 #include "screen_utils.h"
  29 #include "screen_browser.h"
  30 #include "screen_play.h"
  31 #include "gcc.h"
  32
  33 #include <ctype.h>
  34 #include <stdlib.h>
  35 #include <string.h>
  36 #include <glib.h>
  37 #include <ncurses.h>
  38
  39 static struct screen_browser browser;
  40
  41 /* the db have changed -> update the filelist */
  42 static void
  43 file_changed_callback(mpdclient_t *c, mpd_unused int event,
  44                       mpd_unused gpointer data)
  45 {
  46         D("screen_file.c> filelist_callback() [%d]\n", event);
  47         browser.filelist = mpdclient_filelist_update(c, browser.filelist);
  48         sync_highlights(c, browser.filelist);
  49         list_window_check_selected(browser.lw, filelist_length(browser.filelist));
  50 }
  51
  52 /* the playlist have been updated -> fix highlights */
  53 static void
  54 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
  55 {
  56         browser_playlist_changed(&browser, c, event, data);
  57 }
  58
  59 static int
  60 handle_save(screen_t *screen, mpdclient_t *c)
  61 {
  62         filelist_entry_t *entry;
  63         char *defaultname = NULL;
  64
  65         if (browser.lw->selected >= filelist_length(browser.filelist))
  66                 return -1;
  67
  68         entry = filelist_get(browser.filelist, browser.lw->selected);
  69         if( entry && entry->entity ) {
  70                 mpd_InfoEntity *entity = entry->entity;
  71                 if( entity->type==MPD_INFO_ENTITY_TYPE_PLAYLISTFILE ) {
  72                         mpd_PlaylistFile *plf = entity->info.playlistFile;
  73                         defaultname = plf->path;
  74                 }
  75         }
  76
  77         return playlist_save(screen, c, NULL, defaultname);
  78 }
  79
  80 static int
  81 handle_delete(screen_t *screen, mpdclient_t *c)
  82 {
  83         filelist_entry_t *entry;
  84         mpd_InfoEntity *entity;
  85         mpd_PlaylistFile *plf;
  86         char *str, *buf;
  87         int key;
  88
  89         if (browser.lw->selected >= filelist_length(browser.filelist))
  90                 return -1;
  91
  92         entry = filelist_get(browser.filelist, browser.lw->selected);
  93         if( entry==NULL || entry->entity==NULL )
  94                 return -1;
  95
  96         entity = entry->entity;
  97
  98         if( entity->type!=MPD_INFO_ENTITY_TYPE_PLAYLISTFILE ) {
  99                 screen_status_printf(_("You can only delete playlists!"));
 100                 screen_bell();
 101                 return -1;
 102         }
 103
 104         plf = entity->info.playlistFile;
 105         str = utf8_to_locale(basename(plf->path));
 106         buf = g_strdup_printf(_("Delete playlist %s [%s/%s] ? "), str, YES, NO);
 107         g_free(str);
 108         key = tolower(screen_getch(screen->status_window.w, buf));
 109         g_free(buf);
 110         if( key==KEY_RESIZE )
 111                 screen_resize();
 112         if( key != YES[0] ) {
 113                 screen_status_printf(_("Aborted!"));
 114                 return 0;
 115         }
 116
 117         if( mpdclient_cmd_delete_playlist_utf8(c, plf->path) )
 118                 return -1;
 119
 120         screen_status_printf(_("Playlist deleted!"));
 121         return 0;
 122 }
 123
 124 static void
 125 browse_init(WINDOW *w, int cols, int rows)
 126 {
 127         browser.lw = list_window_init(w, cols, rows);
 128         browser.lw_state = list_window_init_state();
 129 }
 130
 131 static void
 132 browse_resize(int cols, int rows)
 133 {
 134         browser.lw->cols = cols;
 135         browser.lw->rows = rows;
 136 }
 137
 138 static void
 139 browse_exit(void)
 140 {
 141         if (browser.filelist)
 142                 filelist_free(browser.filelist);
 143         list_window_free(browser.lw);
 144         list_window_free_state(browser.lw_state);
 145 }
 146
 147 static void
 148 browse_open(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
 149 {
 150         if (browser.filelist == NULL) {
 151                 browser.filelist = mpdclient_filelist_get(c, "");
 152                 mpdclient_install_playlist_callback(c, playlist_changed_callback);
 153                 mpdclient_install_browse_callback(c, file_changed_callback);
 154         }
 155 }
 156
 157 static const char *
 158 browse_title(char *str, size_t size)
 159 {
 160         char *pathcopy;
 161         char *parentdir;
 162
 163         pathcopy = strdup(browser.filelist->path);
 164         parentdir = dirname(pathcopy);
 165         parentdir = basename(parentdir);
 166
 167         if( parentdir[0] == '.' && strlen(parentdir) == 1 ) {
 168                 parentdir = NULL;
 169         }
 170
 171         g_snprintf(str, size, _("Browse: %s%s%s"),
 172                    parentdir ? parentdir : "",
 173                    parentdir ? "/" : "",
 174                    basename(browser.filelist->path));
 175         free(pathcopy);
 176         return str;
 177 }
 178
 179 static void
 180 browse_paint(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
 181 {
 182         browser.lw->clear = 1;
 183
 184         list_window_paint(browser.lw, browser_lw_callback, browser.filelist);
 185         wnoutrefresh(browser.lw->w);
 186 }
 187
 188 static void
 189 browse_update(screen_t *screen, mpdclient_t *c)
 190 {
 191         if (browser.filelist->updated) {
 192                 browse_paint(screen, c);
 193                 browser.filelist->updated = FALSE;
 194                 return;
 195         }
 196
 197         list_window_paint(browser.lw, browser_lw_callback, browser.filelist);
 198         wnoutrefresh(browser.lw->w);
 199 }
 200
 201 static int
 202 browse_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
 203 {
 204         switch(cmd) {
 205         case CMD_PLAY:
 206                 browser_handle_enter(&browser, c);
 207                 return 1;
 208         case CMD_GO_ROOT_DIRECTORY:
 209                 return browser_change_directory(&browser, c, NULL, "");
 210                 break;
 211         case CMD_GO_PARENT_DIRECTORY:
 212                 return browser_change_directory(&browser, c, NULL, "..");
 213                 break;
 214         case CMD_SELECT:
 215                 if (browser_handle_select(&browser, c) == 0) {
 216                         /* continue and select next item... */
 217                         cmd = CMD_LIST_NEXT;
 218                 }
 219                 break;
 220         case CMD_DELETE:
 221                 handle_delete(screen, c);
 222                 break;
 223         case CMD_SAVE_PLAYLIST:
 224                 handle_save(screen, c);
 225                 break;
 226         case CMD_SCREEN_UPDATE:
 227                 screen->painted = 0;
 228                 browser.lw->clear = 1;
 229                 browser.filelist = mpdclient_filelist_update(c, browser.filelist);
 230                 list_window_check_selected(browser.lw,
 231                                            filelist_length(browser.filelist));
 232                 screen_status_printf(_("Screen updated!"));
 233                 return 1;
 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         case CMD_LIST_FIND:
 254         case CMD_LIST_RFIND:
 255         case CMD_LIST_FIND_NEXT:
 256         case CMD_LIST_RFIND_NEXT:
 257                 return screen_find(screen,
 258                                    browser.lw, filelist_length(browser.filelist),
 259                                    cmd, browser_lw_callback,
 260                                    browser.filelist);
 261         case CMD_MOUSE_EVENT:
 262                 return browser_handle_mouse_event(&browser, c);
 263         default:
 264                 break;
 265         }
 266
 267         return list_window_cmd(browser.lw, filelist_length(browser.filelist), cmd);
 268 }
 269
 270 const struct screen_functions screen_browse = {
 271         .init = browse_init,
 272         .exit = browse_exit,
 273         .open = browse_open,
 274         .resize = browse_resize,
 275         .paint = browse_paint,
 276         .update = browse_update,
 277         .cmd = browse_cmd,
 278         .get_title = browse_title,
 279 };
 280