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 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Jean-Paul Saman <jpsaman@wxs.nl>
   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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29 #include <errno.h>                                                 /* ENOMEM */
  30 #include <string.h>                                            /* strerror() */
  31 #include <stdio.h>
  32
  33 #include <vlc/vlc.h>
  34 #include <vlc/intf.h>
  35
  36 #include <gtk/gtk.h>
  37
  38 #include "pda_callbacks.h"
  39 #include "pda_interface.h"
  40 #include "pda_support.h"
  41 #include "pda.h"
  42
  43 /*****************************************************************************
  44  * Local prototypes.
  45  *****************************************************************************/
  46 static int  Open         ( vlc_object_t * );
  47 static void Close        ( vlc_object_t * );
  48 static void Run          ( intf_thread_t * );
  49
  50 void GtkAutoPlayFile     ( vlc_object_t * );
  51 static int Manage        ( intf_thread_t *p_intf );
  52 void E_(GtkDisplayDate)  ( GtkAdjustment *p_adj, gpointer userdata );
  53 gint E_(GtkModeManage)   ( intf_thread_t * p_intf );
  54
  55 /*****************************************************************************
  56  * Module descriptor
  57  *****************************************************************************/
  58 #define AUTOPLAYFILE_TEXT  N_("Autoplay selected file")
  59 #define AUTOPLAYFILE_LONGTEXT N_("Automatically play a file when selected in the "\
  60         "file selection list")
  61
  62 /*****************************************************************************
  63  * Module descriptor
  64  *****************************************************************************/
  65 vlc_module_begin();
  66     set_description( N_("PDA Linux Gtk2+ interface") );
  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( !p_intf->b_die )
 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 (p_intf->p_libvlc->i_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 (p_intf->p_libvlc->i_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
 420         vlc_mutex_lock( &p_input->stream.stream_lock );
 421         if( !p_input->b_die )
 422         {
 423             /* New input or stream map change */
 424             if( p_input->stream.b_changed )
 425             {
 426                 playlist_t *p_playlist;
 427
 428                 E_(GtkModeManage)( p_intf );
 429                 p_intf->p_sys->b_playing = 1;
 430
 431                 /* update playlist interface */
 432                 p_playlist = (playlist_t *) vlc_object_find(
 433                         p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 434                 if (p_playlist != NULL)
 435                 {
 436                     p_liststore = gtk_list_store_new (3,
 437                                                G_TYPE_STRING,
 438                                                G_TYPE_STRING,
 439                                                G_TYPE_UINT);  /* Hidden index */
 440                     PlaylistRebuildListStore(p_liststore, p_playlist);
 441                     gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
 442                     g_object_unref(p_liststore);
 443                     vlc_object_release( p_playlist );
 444                 }
 445             }
 446
 447             /* Manage the slider */
 448 #define p_area p_input->stream.p_selected_area
 449             if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 450             {
 451                 /* Manage the slider for CPU_CAPABILITY_FPU hardware */
 452                 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 453                 {
 454                     float newvalue = p_intf->p_sys->p_adj->value;
 455
 456                     /* If the user hasn't touched the slider since the last time,
 457                      * then the input can safely change it */
 458                     if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 459                     {
 460                         /* Update the value */
 461                         p_intf->p_sys->p_adj->value =
 462                         p_intf->p_sys->f_adj_oldvalue =
 463                             ( 100. * p_area->i_tell ) / p_area->i_size;
 464                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 465                                                  "value_changed" );
 466                     }
 467                     /* Otherwise, send message to the input if the user has
 468                      * finished dragging the slider */
 469                     else if( p_intf->p_sys->b_slider_free )
 470                     {
 471                         double f_pos = (double)newvalue / 100.0;
 472
 473                         /* release the lock to be able to seek */
 474                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 475                         var_SetFloat( p_input, "position", f_pos );
 476                         vlc_mutex_lock( &p_input->stream.stream_lock );
 477
 478                         /* Update the old value */
 479                         p_intf->p_sys->f_adj_oldvalue = newvalue;
 480                     }
 481                 }
 482             }
 483             else
 484             {
 485                 /* Manage the slider without CPU_CAPABILITY_FPU hardware */
 486                 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 487                 {
 488                     off_t newvalue = p_intf->p_sys->p_adj->value;
 489
 490                     /* If the user hasn't touched the slider since the last time,
 491                      * then the input can safely change it */
 492                     if( newvalue == p_intf->p_sys->i_adj_oldvalue )
 493                     {
 494                         /* Update the value */
 495                         p_intf->p_sys->p_adj->value =
 496                         p_intf->p_sys->i_adj_oldvalue =
 497                             ( 100 * p_area->i_tell ) / p_area->i_size;
 498                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 499                                                  "value_changed" );
 500                     }
 501                     /* Otherwise, send message to the input if the user has
 502                      * finished dragging the slider */
 503                     else if( p_intf->p_sys->b_slider_free )
 504                     {
 505                         double f_pos = (double)newvalue / 100.0;
 506
 507                         /* release the lock to be able to seek */
 508                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 509                         var_SetFloat( p_input, "position", f_pos );
 510                         vlc_mutex_lock( &p_input->stream.stream_lock );
 511
 512                         /* Update the old value */
 513                         p_intf->p_sys->i_adj_oldvalue = newvalue;
 514                     }
 515                 }
 516             }
 517 #undef p_area
 518         }
 519         vlc_mutex_unlock( &p_input->stream.stream_lock );
 520     }
 521     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 522     {
 523         E_(GtkModeManage)( p_intf );
 524         p_intf->p_sys->b_playing = 0;
 525     }
 526
 527 #ifndef NEED_GTK2_MAIN
 528     if( p_intf->b_die )
 529     {
 530         vlc_mutex_unlock( &p_intf->change_lock );
 531
 532         /* Prepare to die, young Skywalker */
 533         gtk_main_quit();
 534
 535         return FALSE;
 536     }
 537 #endif
 538
 539     vlc_mutex_unlock( &p_intf->change_lock );
 540
 541     return TRUE;
 542 }
 543
 544 /*****************************************************************************
 545  * GtkDisplayDate: display stream date
 546  *****************************************************************************
 547  * This function displays the current date related to the position in
 548  * the stream. It is called whenever the slider changes its value.
 549  * The lock has to be taken before you call the function.
 550  *****************************************************************************/
 551 void E_(GtkDisplayDate)( GtkAdjustment *p_adj, gpointer userdata )
 552 {
 553     intf_thread_t *p_intf;
 554
 555     p_intf = (intf_thread_t*) userdata;
 556     if (p_intf == NULL)
 557         return;
 558
 559     if( p_intf->p_sys->p_input )
 560     {
 561         char psz_time[ MSTRTIME_MAX_SIZE ];
 562         int64_t i_seconds;
 563
 564         i_seconds = var_GetTime( p_intf->p_sys->p_input, "time" ) / I64C(1000000 );
 565         secstotimestr( psz_time, i_seconds );
 566
 567         gtk_label_set_text( GTK_LABEL( p_intf->p_sys->p_slider_label ),
 568                             psz_time );
 569      }
 570 }
 571
 572 /*****************************************************************************
 573  * GtkModeManage: actualize the aspect of the interface whenever the input
 574  *                changes.
 575  *****************************************************************************
 576  * The lock has to be taken before you call the function.
 577  *****************************************************************************/
 578 gint E_(GtkModeManage)( intf_thread_t * p_intf )
 579 {
 580     GtkWidget *     p_slider = NULL;
 581     vlc_bool_t      b_control;
 582
 583     if ( p_intf->p_sys->p_window == NULL )
 584         msg_Err( p_intf, "Main widget not found" );
 585
 586     p_slider = lookup_widget( p_intf->p_sys->p_window, "timeSlider");
 587     if (p_slider == NULL)
 588         msg_Err( p_intf, "Slider widget not found" );
 589
 590     /* controls unavailable */
 591     b_control = 0;
 592
 593     /* show the box related to current input mode */
 594     if( p_intf->p_sys->p_input )
 595     {
 596         /* initialize and show slider for seekable streams */
 597         if( p_intf->p_sys->p_input->stream.b_seekable )
 598         {
 599             gtk_widget_show( GTK_WIDGET( p_slider ) );
 600         }
 601         else
 602         {
 603             /* hide slider */
 604             gtk_widget_hide( GTK_WIDGET( p_slider ) );
 605         }
 606
 607         /* control buttons for free pace streams */
 608         b_control = p_intf->p_sys->p_input->stream.b_pace_control;
 609
 610         p_intf->p_sys->p_input->stream.b_changed = 0;
 611         msg_Dbg( p_intf, "stream has changed, refreshing interface" );
 612     }
 613
 614     /* set control items */
 615     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbRewind"), b_control );
 616     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbPause"), b_control );
 617     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbForward"), b_control );
 618     return TRUE;
 619 }
 620