git.sesse.net Git - vlc/blob - modules/gui/pda/pda.c

   1 /*****************************************************************************
   2  * pda.c : PDA Gtk2 plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Jean-Paul Saman <jpsaman  _at_ videolan _dot_ org>
   8  *          Marc Ariberti <marcari@videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <errno.h>                                                 /* ENOMEM */
  29
  30 #ifdef HAVE_CONFIG_H
  31 # include "config.h"
  32 #endif
  33
  34 #include <vlc_common.h>
  35 #include <vlc_plugin.h>
  36 #include <vlc_input.h>
  37 #include <vlc_interface.h>
  38 #include <vlc_playlist.h>
  39
  40 #include <gtk/gtk.h>
  41
  42 #include "pda_callbacks.h"
  43 #include "pda_interface.h"
  44 #include "pda_support.h"
  45 #include "pda.h"
  46
  47 /*****************************************************************************
  48  * Local prototypes.
  49  *****************************************************************************/
  50 static int  Open         ( vlc_object_t * );
  51 static void Close        ( vlc_object_t * );
  52 static void Run          ( intf_thread_t * );
  53
  54 void GtkAutoPlayFile     ( vlc_object_t * );
  55 static int Manage        ( intf_thread_t *p_intf );
  56 void GtkDisplayDate  ( GtkAdjustment *p_adj, gpointer userdata );
  57 gint GtkModeManage   ( intf_thread_t * p_intf );
  58
  59 /*****************************************************************************
  60  * Module descriptor
  61  *****************************************************************************/
  62 #define AUTOPLAYFILE_TEXT  N_("Autoplay selected file")
  63 #define AUTOPLAYFILE_LONGTEXT N_("Automatically play a file when selected in the "\
  64         "file selection list")
  65
  66 /*****************************************************************************
  67  * Module descriptor
  68  *****************************************************************************/
  69 vlc_module_begin();
  70     set_description( N_("PDA Linux Gtk2+ interface") );
  71     set_category( CAT_INTERFACE );
  72     set_subcategory( SUBCAT_INTERFACE_MAIN );
  73 //    add_bool( "pda-autoplayfile", 1, GtkAutoPlayFile, AUTOPLAYFILE_TEXT, AUTOPLAYFILE_LONGTEXT, true );
  74     set_capability( "interface", 70 );
  75     set_callbacks( Open, Close );
  76     add_shortcut( "pda" );
  77 vlc_module_end();
  78
  79 /*****************************************************************************
  80  * Open: initialize and create window
  81  *****************************************************************************/
  82 static int Open( vlc_object_t *p_this )
  83 {
  84     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  85
  86     /* Allocate instance and initialize some members */
  87     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
  88     if( p_intf->p_sys == NULL )
  89     {
  90         msg_Err( p_intf, "out of memory" );
  91         return VLC_ENOMEM;
  92     }
  93
  94 #ifdef NEED_GTK2_MAIN
  95     msg_Dbg( p_intf, "Using gui-helper" );
  96     p_intf->p_sys->p_gtk_main =
  97         module_Need( p_this, "gui-helper", "gtk2", true );
  98     if( p_intf->p_sys->p_gtk_main == NULL )
  99     {
 100         free( p_intf->p_sys );
 101         return VLC_ENOMOD;
 102     }
 103 #endif
 104
 105     /* Initialize Gtk+ thread */
 106     p_intf->p_sys->p_input = NULL;
 107
 108     p_intf->p_sys->b_autoplayfile = 1;
 109     p_intf->p_sys->b_playing = 0;
 110     p_intf->p_sys->b_slider_free = 1;
 111
 112     p_intf->pf_run = Run;
 113
 114     return VLC_SUCCESS;
 115 }
 116
 117 /*****************************************************************************
 118  * Close: destroy interface window
 119  *****************************************************************************/
 120 static void Close( vlc_object_t *p_this )
 121 {
 122     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 123
 124     if( p_intf->p_sys->p_input )
 125     {
 126         vlc_object_release( p_intf->p_sys->p_input );
 127     }
 128
 129 #ifdef NEED_GTK2_MAIN
 130     msg_Dbg( p_intf, "Releasing gui-helper" );
 131     module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
 132 #endif
 133
 134     /* Destroy structure */
 135     free( p_intf->p_sys );
 136 }
 137
 138 /*****************************************************************************
 139  * Run: Gtk+ thread
 140  *****************************************************************************
 141  * this part of the interface is in a separate thread so that we can call
 142  * gtk_main() from within it without annoying the rest of the program.
 143  *****************************************************************************/
 144 static void Run( intf_thread_t *p_intf )
 145 {
 146 #ifndef NEED_GTK2_MAIN
 147     /* gtk_init needs to know the command line. We don't care, so we
 148      * give it an empty one */
 149     char  *p_args[] = { "", NULL };
 150     char **pp_args  = p_args;
 151     int    i_args   = 1;
 152     int    i_dummy;
 153 #endif
 154     playlist_t        *p_playlist;
 155     GtkCellRenderer   *p_renderer = NULL;
 156     GtkTreeViewColumn *p_column   = NULL;
 157     GtkListStore      *p_filelist = NULL;
 158     GtkListStore      *p_playlist_store = NULL;
 159
 160 #ifndef NEED_GTK2_MAIN
 161     gtk_set_locale ();
 162     msg_Dbg( p_intf, "Starting pda GTK2+ interface" );
 163     gtk_init( &i_args, &pp_args );
 164 #else
 165     /* Initialize Gtk+ */
 166     msg_Dbg( p_intf, "Starting pda GTK2+ interface thread" );
 167     gdk_threads_enter();
 168 #endif
 169
 170     /* Create some useful widgets that will certainly be used */
 171     add_pixmap_directory(config_GetDataDir());
 172
 173     p_intf->p_sys->p_window = create_pda();
 174     if (p_intf->p_sys->p_window == NULL)
 175     {
 176         msg_Err( p_intf, "unable to create pda interface" );
 177     }
 178
 179     /* Store p_intf to keep an eye on it */
 180     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 181                          "p_intf", p_intf );
 182
 183     /* Set the title of the main window */
 184     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 185                           VOUT_TITLE " (PDA Linux interface)");
 186
 187     /* Get the notebook object */
 188     p_intf->p_sys->p_notebook = GTK_NOTEBOOK( gtk_object_get_data(
 189         GTK_OBJECT( p_intf->p_sys->p_window ), "notebook" ) );
 190
 191     /* Get the slider object */
 192     p_intf->p_sys->p_slider = (GtkHScale*) lookup_widget( p_intf->p_sys->p_window, "timeSlider" );
 193     p_intf->p_sys->p_slider_label = (GtkLabel*) lookup_widget( p_intf->p_sys->p_window, "timeLabel" );
 194     if (p_intf->p_sys->p_slider == NULL)
 195         msg_Err( p_intf, "Time slider widget not found." );
 196     if (p_intf->p_sys->p_slider_label == NULL)
 197         msg_Err( p_intf, "Time label widget not found." );
 198
 199     /* Connect the date display to the slider */
 200     p_intf->p_sys->p_adj = gtk_range_get_adjustment( GTK_RANGE(p_intf->p_sys->p_slider) );
 201     if (p_intf->p_sys->p_adj == NULL)
 202         msg_Err( p_intf, "Adjustment range not found." );
 203     g_signal_connect( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 204                          G_CALLBACK( GtkDisplayDate ), p_intf );
 205     p_intf->p_sys->f_adj_oldvalue = 0;
 206     p_intf->p_sys->i_adj_oldvalue = 0;
 207
 208     /* BEGIN OF FILEVIEW GTK_TREE_VIEW */
 209     p_intf->p_sys->p_tvfile = NULL;
 210     p_intf->p_sys->p_tvfile = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 211                                                              "tvFileList");
 212     if (NULL == p_intf->p_sys->p_tvfile)
 213        msg_Err(p_intf, "Error obtaining pointer to File List");
 214
 215     /* Insert columns 0 */
 216     p_renderer = gtk_cell_renderer_text_new ();
 217     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 0, (gchar *) N_("Filename"), p_renderer, NULL);
 218     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 0 );
 219     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
 220     gtk_tree_view_column_set_sort_column_id(p_column, 0);
 221     /* Insert columns 1 */
 222     p_renderer = gtk_cell_renderer_text_new ();
 223     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 1, (gchar *) N_("Permissions"), p_renderer, NULL);
 224     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 1 );
 225     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
 226     gtk_tree_view_column_set_sort_column_id(p_column, 1);
 227     /* Insert columns 2 */
 228     p_renderer = gtk_cell_renderer_text_new ();
 229     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 2, (gchar *) N_("Size"), p_renderer, NULL);
 230     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 2 );
 231     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
 232     gtk_tree_view_column_set_sort_column_id(p_column, 2);
 233     /* Insert columns 3 */
 234     p_renderer = gtk_cell_renderer_text_new ();
 235     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 3, (gchar *) N_("Owner"), p_renderer, NULL);
 236     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 3 );
 237     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 3 );
 238     gtk_tree_view_column_set_sort_column_id(p_column, 3);
 239     /* Insert columns 4 */
 240     p_renderer = gtk_cell_renderer_text_new ();
 241     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 4, (gchar *) N_("Group"), p_renderer, NULL);
 242     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 4 );
 243     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 4 );
 244     gtk_tree_view_column_set_sort_column_id(p_column, 4);
 245
 246     /* Get new directory listing */
 247     p_filelist = gtk_list_store_new (5,
 248                 G_TYPE_STRING, /* Filename */
 249                 G_TYPE_STRING, /* permissions */
 250                 G_TYPE_UINT64, /* File size */
 251                 G_TYPE_STRING, /* Owner */
 252                 G_TYPE_STRING);/* Group */
 253     ReadDirectory(p_intf, p_filelist, (char*)".");
 254     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile), GTK_TREE_MODEL(p_filelist));
 255     g_object_unref(p_filelist);     /* Model will be released by GtkTreeView */
 256     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile)),GTK_SELECTION_MULTIPLE);
 257
 258     /* Column properties */
 259     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvfile, TRUE);
 260     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvfile);
 261     gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile),TRUE);
 262     /* END OF FILEVIEW GTK_TREE_VIEW */
 263
 264     /* BEGIN OF PLAYLIST GTK_TREE_VIEW */
 265     p_intf->p_sys->p_tvplaylist = NULL;
 266     p_intf->p_sys->p_tvplaylist = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window, "tvPlaylist");
 267     if (NULL == p_intf->p_sys->p_tvplaylist)
 268        msg_Err(p_intf, "Error obtaining pointer to Play List");
 269
 270     /* Columns 1 */
 271     p_renderer = gtk_cell_renderer_text_new ();
 272     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 0, (gchar *) N_("Filename"), p_renderer, NULL);
 273     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 0 );
 274     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
 275     gtk_tree_view_column_set_sort_column_id(p_column, 0);
 276     /* Column 2 */
 277     p_renderer = gtk_cell_renderer_text_new ();
 278     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 1, (gchar *) N_("Time"), p_renderer, NULL);
 279     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 1 );
 280     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
 281     gtk_tree_view_column_set_sort_column_id(p_column, 1);
 282 #if 0
 283     /* Column 3 - is a hidden column used for reliable deleting items from the underlying playlist */
 284     p_renderer = gtk_cell_renderer_text_new ();
 285     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 2, (gchar *) N_("Index"), p_renderer, NULL);
 286     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 2 );
 287     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
 288     gtk_tree_view_column_set_sort_column_id(p_column, 2);
 289 #endif
 290     /* update the playlist */
 291     p_playlist = pl_Yield( p_intf );
 292     p_playlist_store = gtk_list_store_new (3,
 293                 G_TYPE_STRING, /* Filename */
 294                 G_TYPE_STRING, /* Time */
 295                 G_TYPE_UINT);  /* Hidden index */
 296     PlaylistRebuildListStore(p_intf,p_playlist_store, p_playlist);
 297     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist), GTK_TREE_MODEL(p_playlist_store));
 298     g_object_unref(p_playlist_store);
 299     pl_Release( p_intf ); /* Free the playlist */
 300     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist)),GTK_SELECTION_MULTIPLE);
 301
 302     /* Column properties */
 303     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
 304     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
 305     gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
 306     /* END OF PLAYLIST GTK_TREE_VIEW */
 307
 308     /* Hide the Preference TAB for now. */
 309     GtkWidget *p_preference_tab = NULL;
 310     p_preference_tab = gtk_notebook_get_nth_page(p_intf->p_sys->p_notebook,5);
 311     if (p_preference_tab != NULL)
 312       gtk_widget_hide(p_preference_tab);
 313
 314     /* Show the control window */
 315     gtk_widget_show( p_intf->p_sys->p_window );
 316
 317 #ifdef NEED_GTK2_MAIN
 318     msg_Dbg( p_intf, "Manage GTK keyboard events using threads" );
 319     while( !intf_ShouldDie( p_intf ) )
 320     {
 321         Manage( p_intf );
 322
 323         /* Sleep to avoid using all CPU - since some interfaces need to
 324          * access keyboard events, a 100ms delay is a good compromise */
 325         gdk_threads_leave();
 326         if (vlc_CPU() & CPU_CAPABILITY_FPU)
 327             msleep( INTF_IDLE_SLEEP );
 328         else
 329             msleep( 1000 );
 330         gdk_threads_enter();
 331     }
 332 #else
 333     msg_Dbg( p_intf, "Manage GTK keyboard events using timeouts" );
 334     /* Sleep to avoid using all CPU - since some interfaces needs to access
 335      * keyboard events, a 1000ms delay is a good compromise */
 336     if (vlc_CPU() & CPU_CAPABILITY_FPU)
 337         i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage, p_intf );
 338     else
 339         i_dummy = gtk_timeout_add( 1000, (GtkFunction)Manage, p_intf );
 340
 341     /* Enter Gtk mode */
 342     gtk_main();
 343     /* Remove the timeout */
 344     gtk_timeout_remove( i_dummy );
 345 #endif
 346
 347     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 348 #ifdef NEED_GTK2_MAIN
 349     gdk_threads_leave();
 350 #endif
 351 }
 352
 353 /*****************************************************************************
 354  * GtkAutoplayFile: Autoplay file depending on configuration settings
 355  *****************************************************************************/
 356 void GtkAutoPlayFile( vlc_object_t *p_this )
 357 {
 358     GtkWidget *cbautoplay;
 359     intf_thread_t *p_intf;
 360     int i_index;
 361     vlc_list_t *p_list = vlc_list_find( p_this, VLC_OBJECT_INTF,
 362                                         FIND_ANYWHERE );
 363
 364     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 365     {
 366         p_intf = (intf_thread_t *)p_list->p_values[i_index].p_object ;
 367
 368         if( strcmp( MODULE_STRING, module_GetObjName(p_intf->p_module) ) )
 369         {
 370             continue;
 371         }
 372         cbautoplay = GTK_WIDGET( gtk_object_get_data(
 373                             GTK_OBJECT( p_intf->p_sys->p_window ),
 374                             "cbautoplay" ) );
 375
 376         if( !config_GetInt( p_this, "pda-autoplayfile" ) )
 377         {
 378             p_intf->p_sys->b_autoplayfile = false;
 379         }
 380         else
 381         {
 382             p_intf->p_sys->b_autoplayfile = true;
 383         }
 384         gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( cbautoplay ),
 385                                       p_intf->p_sys->b_autoplayfile );
 386     }
 387     vlc_list_release( p_list );
 388 }
 389
 390 /* following functions are local */
 391
 392 /*****************************************************************************
 393  * Manage: manage main thread messages
 394  *****************************************************************************
 395  * In this function, called approx. 10 times a second, we check what the
 396  * main program wanted to tell us.
 397  *****************************************************************************/
 398 static int Manage( intf_thread_t *p_intf )
 399 {
 400     GtkListStore *p_liststore;
 401     vlc_mutex_lock( &p_intf->change_lock );
 402
 403     /* Update the input */
 404     if( p_intf->p_sys->p_input == NULL )
 405     {
 406         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 407                                                           FIND_ANYWHERE );
 408     }
 409     else if( p_intf->p_sys->p_input->b_dead )
 410     {
 411         vlc_object_release( p_intf->p_sys->p_input );
 412         p_intf->p_sys->p_input = NULL;
 413     }
 414
 415     if( p_intf->p_sys->p_input )
 416     {
 417         input_thread_t *p_input = p_intf->p_sys->p_input;
 418         int64_t i_time = 0, i_length = 0;
 419
 420         vlc_object_lock( p_input );
 421         if( vlc_object_alive (p_input) )
 422         {
 423             playlist_t *p_playlist;
 424
 425             GtkModeManage( p_intf );
 426             p_intf->p_sys->b_playing = 1;
 427
 428             /* update playlist interface */
 429             p_playlist = pl_Yield( p_intf );
 430             if (p_playlist != NULL)
 431             {
 432                 p_liststore = gtk_list_store_new (3,
 433                                             G_TYPE_STRING,
 434                                             G_TYPE_STRING,
 435                                             G_TYPE_UINT);  /* Hidden index */
 436                 PlaylistRebuildListStore(p_intf, p_liststore, p_playlist);
 437                 gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
 438                 g_object_unref(p_liststore);
 439                 pl_Release( p_intf );
 440             }
 441
 442             /* Manage the slider */
 443             i_time = var_GetTime( p_intf->p_sys->p_input, "time" );
 444             i_length = var_GetTime( p_intf->p_sys->p_input, "length" );
 445
 446             if (vlc_CPU() & CPU_CAPABILITY_FPU)
 447             {
 448                 /* Manage the slider for CPU_CAPABILITY_FPU hardware */
 449                 if( p_intf->p_sys->b_playing )
 450                 {
 451                     float newvalue = p_intf->p_sys->p_adj->value;
 452
 453                     /* If the user hasn't touched the slider since the last time,
 454                      * then the input can safely change it */
 455                     if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 456                     {
 457                         /* Update the value */
 458                         p_intf->p_sys->p_adj->value =
 459                         p_intf->p_sys->f_adj_oldvalue =
 460                             ( 100 * i_time ) / i_length;
 461                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 462                                                  "value_changed" );
 463                     }
 464                     /* Otherwise, send message to the input if the user has
 465                      * finished dragging the slider */
 466                     else if( p_intf->p_sys->b_slider_free )
 467                     {
 468                         double f_pos = (double)newvalue / 100.0;
 469
 470                         /* release the lock to be able to seek */
 471                         vlc_object_unlock( p_input );
 472                         var_SetFloat( p_input, "position", f_pos );
 473                         vlc_object_lock( p_input );
 474
 475                         /* Update the old value */
 476                         p_intf->p_sys->f_adj_oldvalue = newvalue;
 477                     }
 478                 }
 479             }
 480             else
 481             {
 482                 /* Manage the slider without CPU_CAPABILITY_FPU hardware */
 483                 if( p_intf->p_sys->b_playing )
 484                 {
 485                     off_t newvalue = p_intf->p_sys->p_adj->value;
 486
 487                     /* If the user hasn't touched the slider since the last time,
 488                      * then the input can safely change it */
 489                     if( newvalue == p_intf->p_sys->i_adj_oldvalue )
 490                     {
 491                         /* Update the value */
 492                         p_intf->p_sys->p_adj->value =
 493                         p_intf->p_sys->i_adj_oldvalue =
 494                             ( 100 * i_time ) / i_length;
 495                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 496                                                  "value_changed" );
 497                     }
 498                     /* Otherwise, send message to the input if the user has
 499                      * finished dragging the slider */
 500                     else if( p_intf->p_sys->b_slider_free )
 501                     {
 502                         double f_pos = (double)newvalue / 100.0;
 503
 504                         /* release the lock to be able to seek */
 505                         vlc_object_unlock( p_input );
 506                         var_SetFloat( p_input, "position", f_pos );
 507                         vlc_object_lock( p_input );
 508
 509                         /* Update the old value */
 510                         p_intf->p_sys->i_adj_oldvalue = newvalue;
 511                     }
 512                 }
 513             }
 514         }
 515         vlc_object_unlock( p_input );
 516     }
 517     else if( p_intf->p_sys->b_playing && !intf_ShouldDie( p_intf ) )
 518     {
 519         GtkModeManage( p_intf );
 520         p_intf->p_sys->b_playing = 0;
 521     }
 522
 523 #ifndef NEED_GTK2_MAIN
 524     if( intf_ShouldDie( p_intf ) )
 525     {
 526         vlc_mutex_unlock( &p_intf->change_lock );
 527
 528         /* Prepare to die, young Skywalker */
 529         gtk_main_quit();
 530
 531         return FALSE;
 532     }
 533 #endif
 534
 535     vlc_mutex_unlock( &p_intf->change_lock );
 536
 537     return TRUE;
 538 }
 539
 540 /*****************************************************************************
 541  * GtkDisplayDate: display stream date
 542  *****************************************************************************
 543  * This function displays the current date related to the position in
 544  * the stream. It is called whenever the slider changes its value.
 545  * The lock has to be taken before you call the function.
 546  *****************************************************************************/
 547 void GtkDisplayDate( GtkAdjustment *p_adj, gpointer userdata )
 548 {
 549     (void)p_adj;
 550
 551     intf_thread_t *p_intf;
 552
 553     p_intf = (intf_thread_t*) userdata;
 554     if (p_intf == NULL)
 555         return;
 556
 557     if( p_intf->p_sys->p_input )
 558     {
 559         char psz_time[ MSTRTIME_MAX_SIZE ];
 560         int64_t i_seconds;
 561
 562         i_seconds = var_GetTime( p_intf->p_sys->p_input, "time" ) / INT64_C(1000000 );
 563         secstotimestr( psz_time, i_seconds );
 564
 565         gtk_label_set_text( GTK_LABEL( p_intf->p_sys->p_slider_label ),
 566                             psz_time );
 567      }
 568 }
 569
 570 /*****************************************************************************
 571  * GtkModeManage: actualize the aspect of the interface whenever the input
 572  *                changes.
 573  *****************************************************************************
 574  * The lock has to be taken before you call the function.
 575  *****************************************************************************/
 576 gint GtkModeManage( intf_thread_t * p_intf )
 577 {
 578     GtkWidget *     p_slider = NULL;
 579     bool      b_control;
 580
 581     if ( p_intf->p_sys->p_window == NULL )
 582         msg_Err( p_intf, "Main widget not found" );
 583
 584     p_slider = lookup_widget( p_intf->p_sys->p_window, "timeSlider");
 585     if (p_slider == NULL)
 586         msg_Err( p_intf, "Slider widget not found" );
 587
 588     /* controls unavailable */
 589     b_control = 0;
 590
 591     /* show the box related to current input mode */
 592     if( p_intf->p_sys->p_input )
 593     {
 594         /* initialize and show slider for seekable streams */
 595         {
 596             gtk_widget_show( GTK_WIDGET( p_slider ) );
 597         }
 598
 599         /* control buttons for free pace streams */
 600         b_control = p_intf->p_sys->p_input->b_can_pace_control;
 601
 602         msg_Dbg( p_intf, "stream has changed, refreshing interface" );
 603     }
 604
 605     /* set control items */
 606     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbRewind"), b_control );
 607     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbPause"), b_control );
 608     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbForward"), b_control );
 609     return TRUE;
 610 }