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