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 #include <stdio.h>
  30
  31 #include <vlc/vlc.h>
  32 #include <vlc_interface.h>
  33
  34 #include <gtk/gtk.h>
  35
  36 #include "pda_callbacks.h"
  37 #include "pda_interface.h"
  38 #include "pda_support.h"
  39 #include "pda.h"
  40
  41 /*****************************************************************************
  42  * Local prototypes.
  43  *****************************************************************************/
  44 static int  Open         ( vlc_object_t * );
  45 static void Close        ( vlc_object_t * );
  46 static void Run          ( intf_thread_t * );
  47
  48 void GtkAutoPlayFile     ( vlc_object_t * );
  49 static int Manage        ( intf_thread_t *p_intf );
  50 void E_(GtkDisplayDate)  ( GtkAdjustment *p_adj, gpointer userdata );
  51 gint E_(GtkModeManage)   ( intf_thread_t * p_intf );
  52
  53 /*****************************************************************************
  54  * Module descriptor
  55  *****************************************************************************/
  56 #define AUTOPLAYFILE_TEXT  N_("Autoplay selected file")
  57 #define AUTOPLAYFILE_LONGTEXT N_("Automatically play a file when selected in the "\
  58         "file selection list")
  59
  60 /*****************************************************************************
  61  * Module descriptor
  62  *****************************************************************************/
  63 vlc_module_begin();
  64     set_description( _("PDA Linux Gtk2+ interface") );
  65     set_category( CAT_INTERFACE );
  66     set_subcategory( SUBCAT_INTERFACE_MAIN );
  67 //    add_bool( "pda-autoplayfile", 1, GtkAutoPlayFile, AUTOPLAYFILE_TEXT, AUTOPLAYFILE_LONGTEXT, VLC_TRUE );
  68     set_capability( "interface", 70 );
  69     set_callbacks( Open, Close );
  70     add_shortcut( "pda" );
  71 vlc_module_end();
  72
  73 /*****************************************************************************
  74  * Open: initialize and create window
  75  *****************************************************************************/
  76 static int Open( vlc_object_t *p_this )
  77 {
  78     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  79
  80     /* Allocate instance and initialize some members */
  81     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
  82     if( p_intf->p_sys == NULL )
  83     {
  84         msg_Err( p_intf, "out of memory" );
  85         return VLC_ENOMEM;
  86     }
  87
  88 #ifdef NEED_GTK2_MAIN
  89     msg_Dbg( p_intf, "Using gui-helper" );
  90     p_intf->p_sys->p_gtk_main =
  91         module_Need( p_this, "gui-helper", "gtk2", VLC_TRUE );
  92     if( p_intf->p_sys->p_gtk_main == NULL )
  93     {
  94         free( p_intf->p_sys );
  95         return VLC_ENOMOD;
  96     }
  97 #endif
  98
  99     /* Initialize Gtk+ thread */
 100     p_intf->p_sys->p_input = NULL;
 101
 102     p_intf->p_sys->b_autoplayfile = 1;
 103     p_intf->p_sys->b_playing = 0;
 104     p_intf->p_sys->b_slider_free = 1;
 105
 106     p_intf->pf_run = Run;
 107
 108     return VLC_SUCCESS;
 109 }
 110
 111 /*****************************************************************************
 112  * Close: destroy interface window
 113  *****************************************************************************/
 114 static void Close( vlc_object_t *p_this )
 115 {
 116     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 117
 118     if( p_intf->p_sys->p_input )
 119     {
 120         vlc_object_release( p_intf->p_sys->p_input );
 121     }
 122
 123 #ifdef NEED_GTK2_MAIN
 124     msg_Dbg( p_intf, "Releasing gui-helper" );
 125     module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
 126 #endif
 127
 128     /* Destroy structure */
 129     free( p_intf->p_sys );
 130 }
 131
 132 /*****************************************************************************
 133  * Run: Gtk+ thread
 134  *****************************************************************************
 135  * this part of the interface is in a separate thread so that we can call
 136  * gtk_main() from within it without annoying the rest of the program.
 137  *****************************************************************************/
 138 static void Run( intf_thread_t *p_intf )
 139 {
 140 #ifndef NEED_GTK2_MAIN
 141     /* gtk_init needs to know the command line. We don't care, so we
 142      * give it an empty one */
 143     char  *p_args[] = { "", NULL };
 144     char **pp_args  = p_args;
 145     int    i_args   = 1;
 146     int    i_dummy;
 147 #endif
 148     playlist_t        *p_playlist;
 149     GtkCellRenderer   *p_renderer = NULL;
 150     GtkTreeViewColumn *p_column   = NULL;
 151     GtkListStore      *p_filelist = NULL;
 152     GtkListStore      *p_playlist_store = NULL;
 153
 154 #ifndef NEED_GTK2_MAIN
 155     gtk_set_locale ();
 156     msg_Dbg( p_intf, "Starting pda GTK2+ interface" );
 157     gtk_init( &i_args, &pp_args );
 158 #else
 159     /* Initialize Gtk+ */
 160     msg_Dbg( p_intf, "Starting pda GTK2+ interface thread" );
 161     gdk_threads_enter();
 162 #endif
 163
 164     /* Create some useful widgets that will certainly be used */
 165 /* FIXME: magic path */
 166     add_pixmap_directory("share");
 167     add_pixmap_directory("/usr/share/vlc");
 168
 169     /* Path for pixmaps under linupy 1.4 */
 170     add_pixmap_directory("/usr/local/share/pixmaps/vlc");
 171     /* Path for pixmaps under linupy 2.0 */
 172     add_pixmap_directory("/usr/share/pixmaps/vlc");
 173
 174     p_intf->p_sys->p_window = create_pda();
 175     if (p_intf->p_sys->p_window == NULL)
 176     {
 177         msg_Err( p_intf, "unable to create pda interface" );
 178     }
 179
 180     /* Store p_intf to keep an eye on it */
 181     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 182                          "p_intf", p_intf );
 183
 184     /* Set the title of the main window */
 185     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 186                           VOUT_TITLE " (PDA Linux interface)");
 187
 188     /* Get the notebook object */
 189     p_intf->p_sys->p_notebook = GTK_NOTEBOOK( gtk_object_get_data(
 190         GTK_OBJECT( p_intf->p_sys->p_window ), "notebook" ) );
 191
 192     /* Get the slider object */
 193     p_intf->p_sys->p_slider = (GtkHScale*) lookup_widget( p_intf->p_sys->p_window, "timeSlider" );
 194     p_intf->p_sys->p_slider_label = (GtkLabel*) lookup_widget( p_intf->p_sys->p_window, "timeLabel" );
 195     if (p_intf->p_sys->p_slider == NULL)
 196         msg_Err( p_intf, "Time slider widget not found." );
 197     if (p_intf->p_sys->p_slider_label == NULL)
 198         msg_Err( p_intf, "Time label widget not found." );
 199
 200     /* Connect the date display to the slider */
 201     p_intf->p_sys->p_adj = gtk_range_get_adjustment( GTK_RANGE(p_intf->p_sys->p_slider) );
 202     if (p_intf->p_sys->p_adj == NULL)
 203         msg_Err( p_intf, "Adjustment range not found." );
 204     g_signal_connect( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 205                          G_CALLBACK( E_(GtkDisplayDate) ), p_intf );
 206     p_intf->p_sys->f_adj_oldvalue = 0;
 207     p_intf->p_sys->i_adj_oldvalue = 0;
 208
 209     /* BEGIN OF FILEVIEW GTK_TREE_VIEW */
 210     p_intf->p_sys->p_tvfile = NULL;
 211     p_intf->p_sys->p_tvfile = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 212                                                              "tvFileList");
 213     if (NULL == p_intf->p_sys->p_tvfile)
 214        msg_Err(p_intf, "Error obtaining pointer to File List");
 215
 216     /* Insert columns 0 */
 217     p_renderer = gtk_cell_renderer_text_new ();
 218     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 0, (gchar *) N_("Filename"), p_renderer, NULL);
 219     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 0 );
 220     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
 221     gtk_tree_view_column_set_sort_column_id(p_column, 0);
 222     /* Insert columns 1 */
 223     p_renderer = gtk_cell_renderer_text_new ();
 224     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 1, (gchar *) N_("Permissions"), p_renderer, NULL);
 225     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 1 );
 226     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
 227     gtk_tree_view_column_set_sort_column_id(p_column, 1);
 228     /* Insert columns 2 */
 229     p_renderer = gtk_cell_renderer_text_new ();
 230     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 2, (gchar *) N_("Size"), p_renderer, NULL);
 231     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 2 );
 232     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
 233     gtk_tree_view_column_set_sort_column_id(p_column, 2);
 234     /* Insert columns 3 */
 235     p_renderer = gtk_cell_renderer_text_new ();
 236     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 3, (gchar *) N_("Owner"), p_renderer, NULL);
 237     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 3 );
 238     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 3 );
 239     gtk_tree_view_column_set_sort_column_id(p_column, 3);
 240     /* Insert columns 4 */
 241     p_renderer = gtk_cell_renderer_text_new ();
 242     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 4, (gchar *) N_("Group"), p_renderer, NULL);
 243     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 4 );
 244     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 4 );
 245     gtk_tree_view_column_set_sort_column_id(p_column, 4);
 246
 247     /* Get new directory listing */
 248     p_filelist = gtk_list_store_new (5,
 249                 G_TYPE_STRING, /* Filename */
 250                 G_TYPE_STRING, /* permissions */
 251                 G_TYPE_UINT64, /* File size */
 252                 G_TYPE_STRING, /* Owner */
 253                 G_TYPE_STRING);/* Group */
 254     ReadDirectory(p_intf, p_filelist, ".");
 255     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile), GTK_TREE_MODEL(p_filelist));
 256     g_object_unref(p_filelist);     /* Model will be released by GtkTreeView */
 257     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile)),GTK_SELECTION_MULTIPLE);
 258
 259     /* Column properties */
 260     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvfile, TRUE);
 261     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvfile);
 262     gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile),TRUE);
 263     /* END OF FILEVIEW GTK_TREE_VIEW */
 264
 265     /* BEGIN OF PLAYLIST GTK_TREE_VIEW */
 266     p_intf->p_sys->p_tvplaylist = NULL;
 267     p_intf->p_sys->p_tvplaylist = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window, "tvPlaylist");
 268     if (NULL == p_intf->p_sys->p_tvplaylist)
 269        msg_Err(p_intf, "Error obtaining pointer to Play List");
 270
 271     /* Columns 1 */
 272     p_renderer = gtk_cell_renderer_text_new ();
 273     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 0, (gchar *) N_("Filename"), p_renderer, NULL);
 274     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 0 );
 275     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
 276     gtk_tree_view_column_set_sort_column_id(p_column, 0);
 277     /* Column 2 */
 278     p_renderer = gtk_cell_renderer_text_new ();
 279     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 1, (gchar *) N_("Time"), p_renderer, NULL);
 280     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 1 );
 281     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
 282     gtk_tree_view_column_set_sort_column_id(p_column, 1);
 283 #if 0
 284     /* Column 3 - is a hidden column used for reliable deleting items from the underlying playlist */
 285     p_renderer = gtk_cell_renderer_text_new ();
 286     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 2, (gchar *) N_("Index"), p_renderer, NULL);
 287     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 2 );
 288     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
 289     gtk_tree_view_column_set_sort_column_id(p_column, 2);
 290 #endif
 291     /* update the playlist */
 292     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 293     p_playlist_store = gtk_list_store_new (3,
 294                 G_TYPE_STRING, /* Filename */
 295                 G_TYPE_STRING, /* Time */
 296                 G_TYPE_UINT);  /* Hidden index */
 297     PlaylistRebuildListStore(p_playlist_store, p_playlist);
 298     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist), GTK_TREE_MODEL(p_playlist_store));
 299     g_object_unref(p_playlist_store);
 300     vlc_object_release(p_playlist); /* Free the playlist */
 301     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist)),GTK_SELECTION_MULTIPLE);
 302
 303     /* Column properties */
 304     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
 305     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
 306     gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
 307     /* END OF PLAYLIST GTK_TREE_VIEW */
 308
 309     /* Hide the Preference TAB for now. */
 310     GtkWidget *p_preference_tab = NULL;
 311     p_preference_tab = gtk_notebook_get_nth_page(p_intf->p_sys->p_notebook,5);
 312     if (p_preference_tab != NULL)
 313       gtk_widget_hide(p_preference_tab);
 314
 315     /* Show the control window */
 316     gtk_widget_show( p_intf->p_sys->p_window );
 317
 318 #ifdef NEED_GTK2_MAIN
 319     msg_Dbg( p_intf, "Manage GTK keyboard events using threads" );
 320     while( !intf_ShouldDie( p_intf ) )
 321     {
 322         Manage( p_intf );
 323
 324         /* Sleep to avoid using all CPU - since some interfaces need to
 325          * access keyboard events, a 100ms delay is a good compromise */
 326         gdk_threads_leave();
 327         if (vlc_CPU() & CPU_CAPABILITY_FPU)
 328             msleep( INTF_IDLE_SLEEP );
 329         else
 330             msleep( 1000 );
 331         gdk_threads_enter();
 332     }
 333 #else
 334     msg_Dbg( p_intf, "Manage GTK keyboard events using timeouts" );
 335     /* Sleep to avoid using all CPU - since some interfaces needs to access
 336      * keyboard events, a 1000ms delay is a good compromise */
 337     if (vlc_CPU() & CPU_CAPABILITY_FPU)
 338         i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage, p_intf );
 339     else
 340         i_dummy = gtk_timeout_add( 1000, (GtkFunction)Manage, p_intf );
 341
 342     /* Enter Gtk mode */
 343     gtk_main();
 344     /* Remove the timeout */
 345     gtk_timeout_remove( i_dummy );
 346 #endif
 347
 348     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 349 #ifdef NEED_GTK2_MAIN
 350     gdk_threads_leave();
 351 #endif
 352 }
 353
 354 /*****************************************************************************
 355  * GtkAutoplayFile: Autoplay file depending on configuration settings
 356  *****************************************************************************/
 357 void GtkAutoPlayFile( vlc_object_t *p_this )
 358 {
 359     GtkWidget *cbautoplay;
 360     intf_thread_t *p_intf;
 361     int i_index;
 362     vlc_list_t *p_list = vlc_list_find( p_this, VLC_OBJECT_INTF,
 363                                         FIND_ANYWHERE );
 364
 365     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 366     {
 367         p_intf = (intf_thread_t *)p_list->p_values[i_index].p_object ;
 368
 369         if( strcmp( MODULE_STRING, p_intf->p_module->psz_object_name ) )
 370         {
 371             continue;
 372         }
 373         cbautoplay = GTK_WIDGET( gtk_object_get_data(
 374                             GTK_OBJECT( p_intf->p_sys->p_window ),
 375                             "cbautoplay" ) );
 376
 377         if( !config_GetInt( p_this, "pda-autoplayfile" ) )
 378         {
 379             p_intf->p_sys->b_autoplayfile = VLC_FALSE;
 380         }
 381         else
 382         {
 383             p_intf->p_sys->b_autoplayfile = VLC_TRUE;
 384         }
 385         gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( cbautoplay ),
 386                                       p_intf->p_sys->b_autoplayfile );
 387     }
 388     vlc_list_release( p_list );
 389 }
 390
 391 /* following functions are local */
 392
 393 /*****************************************************************************
 394  * Manage: manage main thread messages
 395  *****************************************************************************
 396  * In this function, called approx. 10 times a second, we check what the
 397  * main program wanted to tell us.
 398  *****************************************************************************/
 399 static int Manage( intf_thread_t *p_intf )
 400 {
 401     GtkListStore *p_liststore;
 402     vlc_mutex_lock( &p_intf->change_lock );
 403
 404     /* Update the input */
 405     if( p_intf->p_sys->p_input == NULL )
 406     {
 407         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 408                                                           FIND_ANYWHERE );
 409     }
 410     else if( p_intf->p_sys->p_input->b_dead )
 411     {
 412         vlc_object_release( p_intf->p_sys->p_input );
 413         p_intf->p_sys->p_input = NULL;
 414     }
 415
 416     if( p_intf->p_sys->p_input )
 417     {
 418         input_thread_t *p_input = p_intf->p_sys->p_input;
 419         int64_t i_time = 0, i_length = 0;
 420
 421         vlc_mutex_lock( &p_input->object_lock );
 422         if( !p_input->b_die )
 423         {
 424             playlist_t *p_playlist;
 425
 426             E_(GtkModeManage)( p_intf );
 427             p_intf->p_sys->b_playing = 1;
 428
 429             /* update playlist interface */
 430             p_playlist = (playlist_t *) vlc_object_find(
 431                     p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 432             if (p_playlist != NULL)
 433             {
 434                 p_liststore = gtk_list_store_new (3,
 435                                             G_TYPE_STRING,
 436                                             G_TYPE_STRING,
 437                                             G_TYPE_UINT);  /* Hidden index */
 438                 PlaylistRebuildListStore(p_liststore, p_playlist);
 439                 gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
 440                 g_object_unref(p_liststore);
 441                 vlc_object_release( p_playlist );
 442             }
 443
 444             /* Manage the slider */
 445             i_time = var_GetTime( p_intf->p_sys->p_input, "time" );
 446             i_length = var_GetTime( p_intf->p_sys->p_input, "length" );
 447
 448             if (vlc_CPU() & CPU_CAPABILITY_FPU)
 449             {
 450                 /* Manage the slider for CPU_CAPABILITY_FPU hardware */
 451                 if( p_intf->p_sys->b_playing )
 452                 {
 453                     float newvalue = p_intf->p_sys->p_adj->value;
 454
 455                     /* If the user hasn't touched the slider since the last time,
 456                      * then the input can safely change it */
 457                     if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 458                     {
 459                         /* Update the value */
 460                         p_intf->p_sys->p_adj->value =
 461                         p_intf->p_sys->f_adj_oldvalue =
 462                             ( 100 * i_time ) / i_length;
 463                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 464                                                  "value_changed" );
 465                     }
 466                     /* Otherwise, send message to the input if the user has
 467                      * finished dragging the slider */
 468                     else if( p_intf->p_sys->b_slider_free )
 469                     {
 470                         double f_pos = (double)newvalue / 100.0;
 471
 472                         /* release the lock to be able to seek */
 473                         vlc_mutex_unlock( &p_input->object_lock );
 474                         var_SetFloat( p_input, "position", f_pos );
 475                         vlc_mutex_lock( &p_input->object_lock );
 476
 477                         /* Update the old value */
 478                         p_intf->p_sys->f_adj_oldvalue = newvalue;
 479                     }
 480                 }
 481             }
 482             else
 483             {
 484                 /* Manage the slider without CPU_CAPABILITY_FPU hardware */
 485                 if( p_intf->p_sys->b_playing )
 486                 {
 487                     off_t newvalue = p_intf->p_sys->p_adj->value;
 488
 489                     /* If the user hasn't touched the slider since the last time,
 490                      * then the input can safely change it */
 491                     if( newvalue == p_intf->p_sys->i_adj_oldvalue )
 492                     {
 493                         /* Update the value */
 494                         p_intf->p_sys->p_adj->value =
 495                         p_intf->p_sys->i_adj_oldvalue =
 496                             ( 100 * i_time ) / i_length;
 497                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 498                                                  "value_changed" );
 499                     }
 500                     /* Otherwise, send message to the input if the user has
 501                      * finished dragging the slider */
 502                     else if( p_intf->p_sys->b_slider_free )
 503                     {
 504                         double f_pos = (double)newvalue / 100.0;
 505
 506                         /* release the lock to be able to seek */
 507                         vlc_mutex_unlock( &p_input->object_lock );
 508                         var_SetFloat( p_input, "position", f_pos );
 509                         vlc_mutex_lock( &p_input->object_lock );
 510
 511                         /* Update the old value */
 512                         p_intf->p_sys->i_adj_oldvalue = newvalue;
 513                     }
 514                 }
 515             }
 516         }
 517         vlc_mutex_unlock( &p_input->object_lock );
 518     }
 519     else if( p_intf->p_sys->b_playing && !intf_ShouldDie( p_intf ) )
 520     {
 521         E_(GtkModeManage)( p_intf );
 522         p_intf->p_sys->b_playing = 0;
 523     }
 524
 525 #ifndef NEED_GTK2_MAIN
 526     if( intf_ShouldDie( p_intf ) )
 527     {
 528         vlc_mutex_unlock( &p_intf->change_lock );
 529
 530         /* Prepare to die, young Skywalker */
 531         gtk_main_quit();
 532
 533         return FALSE;
 534     }
 535 #endif
 536
 537     vlc_mutex_unlock( &p_intf->change_lock );
 538
 539     return TRUE;
 540 }
 541
 542 /*****************************************************************************
 543  * GtkDisplayDate: display stream date
 544  *****************************************************************************
 545  * This function displays the current date related to the position in
 546  * the stream. It is called whenever the slider changes its value.
 547  * The lock has to be taken before you call the function.
 548  *****************************************************************************/
 549 void E_(GtkDisplayDate)( GtkAdjustment *p_adj, gpointer userdata )
 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" ) / I64C(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 E_(GtkModeManage)( intf_thread_t * p_intf )
 577 {
 578     GtkWidget *     p_slider = NULL;
 579     vlc_bool_t      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 }
 611