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, browser.filelist->length);
  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         D("screen_file.c> playlist_callback() [%d]\n", event);
  57         switch(event) {
  58         case PLAYLIST_EVENT_CLEAR:
  59                 clear_highlights(browser.filelist);
  60                 break;
  61         case PLAYLIST_EVENT_ADD:
  62                 set_highlight(browser.filelist, (mpd_Song *) data, 1);
  63                 break;
  64         case PLAYLIST_EVENT_DELETE:
  65                 set_highlight(browser.filelist, (mpd_Song *) data, 0);
  66                 break;
  67         case PLAYLIST_EVENT_MOVE:
  68                 break;
  69         default:
  70                 sync_highlights(c, browser.filelist);
  71                 break;
  72         }
  73 }
  74
  75 static int
  76 handle_save(screen_t *screen, mpdclient_t *c)
  77 {
  78         filelist_entry_t *entry;
  79         char *defaultname = NULL;
  80
  81         entry = g_list_nth_data(browser.filelist->list, browser.lw->selected);
  82         if( entry && entry->entity ) {
  83                 mpd_InfoEntity *entity = entry->entity;
  84                 if( entity->type==MPD_INFO_ENTITY_TYPE_PLAYLISTFILE ) {
  85                         mpd_PlaylistFile *plf = entity->info.playlistFile;
  86                         defaultname = plf->path;
  87                 }
  88         }
  89
  90         return playlist_save(screen, c, NULL, defaultname);
  91 }
  92
  93 static int
  94 handle_delete(screen_t *screen, mpdclient_t *c)
  95 {
  96         filelist_entry_t *entry;
  97         mpd_InfoEntity *entity;
  98         mpd_PlaylistFile *plf;
  99         char *str, *buf;
 100         int key;
 101
 102         entry = g_list_nth_data(browser.filelist->list,browser. lw->selected);
 103         if( entry==NULL || entry->entity==NULL )
 104                 return -1;
 105
 106         entity = entry->entity;
 107
 108         if( entity->type!=MPD_INFO_ENTITY_TYPE_PLAYLISTFILE ) {
 109                 screen_status_printf(_("You can only delete playlists!"));
 110                 screen_bell();
 111                 return -1;
 112         }
 113
 114         plf = entity->info.playlistFile;
 115         str = utf8_to_locale(basename(plf->path));
 116         buf = g_strdup_printf(_("Delete playlist %s [%s/%s] ? "), str, YES, NO);
 117         g_free(str);
 118         key = tolower(screen_getch(screen->status_window.w, buf));
 119         g_free(buf);
 120         if( key==KEY_RESIZE )
 121                 screen_resize();
 122         if( key != YES[0] ) {
 123                 screen_status_printf(_("Aborted!"));
 124                 return 0;
 125         }
 126
 127         if( mpdclient_cmd_delete_playlist_utf8(c, plf->path) )
 128                 return -1;
 129
 130         screen_status_printf(_("Playlist deleted!"));
 131         return 0;
 132 }
 133
 134 static void
 135 browse_init(WINDOW *w, int cols, int rows)
 136 {
 137         browser.lw = list_window_init(w, cols, rows);
 138         browser.lw_state = list_window_init_state();
 139 }
 140
 141 static void
 142 browse_resize(int cols, int rows)
 143 {
 144         browser.lw->cols = cols;
 145         browser.lw->rows = rows;
 146 }
 147
 148 static void
 149 browse_exit(void)
 150 {
 151         if (browser.filelist)
 152                 mpdclient_filelist_free(browser.filelist);
 153         list_window_free(browser.lw);
 154         list_window_free_state(browser.lw_state);
 155 }
 156
 157 static void
 158 browse_open(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
 159 {
 160         if (browser.filelist == NULL) {
 161                 browser.filelist = mpdclient_filelist_get(c, "");
 162                 mpdclient_install_playlist_callback(c, playlist_changed_callback);
 163                 mpdclient_install_browse_callback(c, file_changed_callback);
 164         }
 165 }
 166
 167 static const char *
 168 browse_title(char *str, size_t size)
 169 {
 170         char *pathcopy;
 171         char *parentdir;
 172
 173         pathcopy = strdup(browser.filelist->path);
 174         parentdir = dirname(pathcopy);
 175         parentdir = basename(parentdir);
 176
 177         if( parentdir[0] == '.' && strlen(parentdir) == 1 ) {
 178                 parentdir = NULL;
 179         }
 180
 181         g_snprintf(str, size, _("Browse: %s%s%s"),
 182                    parentdir ? parentdir : "",
 183                    parentdir ? "/" : "",
 184                    basename(browser.filelist->path));
 185         free(pathcopy);
 186         return str;
 187 }
 188
 189 static void
 190 browse_paint(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
 191 {
 192         browser.lw->clear = 1;
 193
 194         list_window_paint(browser.lw, browser_lw_callback, browser.filelist);
 195         wnoutrefresh(browser.lw->w);
 196 }
 197
 198 static void
 199 browse_update(screen_t *screen, mpdclient_t *c)
 200 {
 201         if (browser.filelist->updated) {
 202                 browse_paint(screen, c);
 203                 browser.filelist->updated = FALSE;
 204                 return;
 205         }
 206
 207         list_window_paint(browser.lw, browser_lw_callback, browser.filelist);
 208         wnoutrefresh(browser.lw->w);
 209 }
 210
 211 static int
 212 browse_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
 213 {
 214         switch(cmd) {
 215         case CMD_PLAY:
 216                 browser_handle_enter(&browser, c);
 217                 return 1;
 218         case CMD_GO_ROOT_DIRECTORY:
 219                 return browser_change_directory(&browser, c, NULL, "");
 220                 break;
 221         case CMD_GO_PARENT_DIRECTORY:
 222                 return browser_change_directory(&browser, c, NULL, "..");
 223                 break;
 224         case CMD_SELECT:
 225                 if (browser_handle_select(&browser, c) == 0) {
 226                         /* continue and select next item... */
 227                         cmd = CMD_LIST_NEXT;
 228                 }
 229                 break;
 230         case CMD_DELETE:
 231                 handle_delete(screen, c);
 232                 break;
 233         case CMD_SAVE_PLAYLIST:
 234                 handle_save(screen, c);
 235                 break;
 236         case CMD_SCREEN_UPDATE:
 237                 screen->painted = 0;
 238                 browser.lw->clear = 1;
 239                 browser.lw->repaint = 1;
 240                 browser.filelist = mpdclient_filelist_update(c, browser.filelist);
 241                 list_window_check_selected(browser.lw,
 242                                            browser.filelist->length);
 243                 screen_status_printf(_("Screen updated!"));
 244                 return 1;
 245         case CMD_DB_UPDATE:
 246                 if (c->status == NULL)
 247                         return 1;
 248
 249                 if (!c->status->updatingDb) {
 250                         if (mpdclient_cmd_db_update_utf8(c, browser.filelist->path) == 0) {
 251                                 if (strcmp(browser.filelist->path, ""))
 252                                         screen_status_printf(_("Database update of %s started!"),
 253                                                              browser.filelist->path);
 254                                 else
 255                                         screen_status_printf(_("Database update started!"));
 256
 257                                 /* set updatingDb to make shure the browse callback gets called
 258                                  * even if the updated has finished before status is updated */
 259                                 c->status->updatingDb = 1;
 260                         }
 261                 } else
 262                         screen_status_printf(_("Database update running..."));
 263                 return 1;
 264         case CMD_LIST_FIND:
 265         case CMD_LIST_RFIND:
 266         case CMD_LIST_FIND_NEXT:
 267         case CMD_LIST_RFIND_NEXT:
 268                 return screen_find(screen,
 269                                    browser.lw, browser.filelist->length,
 270                                    cmd, browser_lw_callback,
 271                                    browser.filelist);
 272         case CMD_MOUSE_EVENT:
 273                 return browser_handle_mouse_event(&browser, c);
 274         default:
 275                 break;
 276         }
 277
 278         return list_window_cmd(browser.lw, browser.filelist->length, cmd);
 279 }
 280
 281 const struct screen_functions screen_browse = {
 282         .init = browse_init,
 283         .exit = browse_exit,
 284         .open = browse_open,
 285         .resize = browse_resize,
 286         .paint = browse_paint,
 287         .update = browse_update,
 288         .cmd = browse_cmd,
 289         .get_title = browse_title,
 290 };
 291