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/vlc.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( _("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 /* FIXME: magic path */
 172     add_pixmap_directory("share");
 173     add_pixmap_directory("/usr/share/vlc");
 174
 175     /* Path for pixmaps under linupy 1.4 */
 176     add_pixmap_directory("/usr/local/share/pixmaps/vlc");
 177     /* Path for pixmaps under linupy 2.0 */
 178     add_pixmap_directory("/usr/share/pixmaps/vlc");
 179
 180     p_intf->p_sys->p_window = create_pda();
 181     if (p_intf->p_sys->p_window == NULL)
 182     {
 183         msg_Err( p_intf, "unable to create pda interface" );
 184     }
 185
 186     /* Store p_intf to keep an eye on it */
 187     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 188                          "p_intf", p_intf );
 189
 190     /* Set the title of the main window */
 191     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 192                           VOUT_TITLE " (PDA Linux interface)");
 193
 194     /* Get the notebook object */
 195     p_intf->p_sys->p_notebook = GTK_NOTEBOOK( gtk_object_get_data(
 196         GTK_OBJECT( p_intf->p_sys->p_window ), "notebook" ) );
 197
 198     /* Get the slider object */
 199     p_intf->p_sys->p_slider = (GtkHScale*) lookup_widget( p_intf->p_sys->p_window, "timeSlider" );
 200     p_intf->p_sys->p_slider_label = (GtkLabel*) lookup_widget( p_intf->p_sys->p_window, "timeLabel" );
 201     if (p_intf->p_sys->p_slider == NULL)
 202         msg_Err( p_intf, "Time slider widget not found." );
 203     if (p_intf->p_sys->p_slider_label == NULL)
 204         msg_Err( p_intf, "Time label widget not found." );
 205
 206     /* Connect the date display to the slider */
 207     p_intf->p_sys->p_adj = gtk_range_get_adjustment( GTK_RANGE(p_intf->p_sys->p_slider) );
 208     if (p_intf->p_sys->p_adj == NULL)
 209         msg_Err( p_intf, "Adjustment range not found." );
 210     g_signal_connect( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 211                          G_CALLBACK( GtkDisplayDate ), p_intf );
 212     p_intf->p_sys->f_adj_oldvalue = 0;
 213     p_intf->p_sys->i_adj_oldvalue = 0;
 214
 215     /* BEGIN OF FILEVIEW GTK_TREE_VIEW */
 216     p_intf->p_sys->p_tvfile = NULL;
 217     p_intf->p_sys->p_tvfile = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 218                                                              "tvFileList");
 219     if (NULL == p_intf->p_sys->p_tvfile)
 220        msg_Err(p_intf, "Error obtaining pointer to File List");
 221
 222     /* Insert columns 0 */
 223     p_renderer = gtk_cell_renderer_text_new ();
 224     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 0, (gchar *) N_("Filename"), p_renderer, NULL);
 225     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 0 );
 226     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
 227     gtk_tree_view_column_set_sort_column_id(p_column, 0);
 228     /* Insert columns 1 */
 229     p_renderer = gtk_cell_renderer_text_new ();
 230     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 1, (gchar *) N_("Permissions"), p_renderer, NULL);
 231     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 1 );
 232     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
 233     gtk_tree_view_column_set_sort_column_id(p_column, 1);
 234     /* Insert columns 2 */
 235     p_renderer = gtk_cell_renderer_text_new ();
 236     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 2, (gchar *) N_("Size"), p_renderer, NULL);
 237     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 2 );
 238     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
 239     gtk_tree_view_column_set_sort_column_id(p_column, 2);
 240     /* Insert columns 3 */
 241     p_renderer = gtk_cell_renderer_text_new ();
 242     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 3, (gchar *) N_("Owner"), p_renderer, NULL);
 243     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 3 );
 244     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 3 );
 245     gtk_tree_view_column_set_sort_column_id(p_column, 3);
 246     /* Insert columns 4 */
 247     p_renderer = gtk_cell_renderer_text_new ();
 248     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 4, (gchar *) N_("Group"), p_renderer, NULL);
 249     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 4 );
 250     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 4 );
 251     gtk_tree_view_column_set_sort_column_id(p_column, 4);
 252
 253     /* Get new directory listing */
 254     p_filelist = gtk_list_store_new (5,
 255                 G_TYPE_STRING, /* Filename */
 256                 G_TYPE_STRING, /* permissions */
 257                 G_TYPE_UINT64, /* File size */
 258                 G_TYPE_STRING, /* Owner */
 259                 G_TYPE_STRING);/* Group */
 260     ReadDirectory(p_intf, p_filelist, ".");
 261     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile), GTK_TREE_MODEL(p_filelist));
 262     g_object_unref(p_filelist);     /* Model will be released by GtkTreeView */
 263     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile)),GTK_SELECTION_MULTIPLE);
 264
 265     /* Column properties */
 266     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvfile, TRUE);
 267     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvfile);
 268     gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile),TRUE);
 269     /* END OF FILEVIEW GTK_TREE_VIEW */
 270
 271     /* BEGIN OF PLAYLIST GTK_TREE_VIEW */
 272     p_intf->p_sys->p_tvplaylist = NULL;
 273     p_intf->p_sys->p_tvplaylist = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window, "tvPlaylist");
 274     if (NULL == p_intf->p_sys->p_tvplaylist)
 275        msg_Err(p_intf, "Error obtaining pointer to Play List");
 276
 277     /* Columns 1 */
 278     p_renderer = gtk_cell_renderer_text_new ();
 279     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 0, (gchar *) N_("Filename"), p_renderer, NULL);
 280     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 0 );
 281     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
 282     gtk_tree_view_column_set_sort_column_id(p_column, 0);
 283     /* Column 2 */
 284     p_renderer = gtk_cell_renderer_text_new ();
 285     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 1, (gchar *) N_("Time"), p_renderer, NULL);
 286     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 1 );
 287     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
 288     gtk_tree_view_column_set_sort_column_id(p_column, 1);
 289 #if 0
 290     /* Column 3 - is a hidden column used for reliable deleting items from the underlying playlist */
 291     p_renderer = gtk_cell_renderer_text_new ();
 292     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 2, (gchar *) N_("Index"), p_renderer, NULL);
 293     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 2 );
 294     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
 295     gtk_tree_view_column_set_sort_column_id(p_column, 2);
 296 #endif
 297     /* update the playlist */
 298     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 299     p_playlist_store = gtk_list_store_new (3,
 300                 G_TYPE_STRING, /* Filename */
 301                 G_TYPE_STRING, /* Time */
 302                 G_TYPE_UINT);  /* Hidden index */
 303     PlaylistRebuildListStore(p_intf,p_playlist_store, p_playlist);
 304     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist), GTK_TREE_MODEL(p_playlist_store));
 305     g_object_unref(p_playlist_store);
 306     vlc_object_release(p_playlist); /* Free the playlist */
 307     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist)),GTK_SELECTION_MULTIPLE);
 308
 309     /* Column properties */
 310     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
 311     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
 312     gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
 313     /* END OF PLAYLIST GTK_TREE_VIEW */
 314
 315     /* Hide the Preference TAB for now. */
 316     GtkWidget *p_preference_tab = NULL;
 317     p_preference_tab = gtk_notebook_get_nth_page(p_intf->p_sys->p_notebook,5);
 318     if (p_preference_tab != NULL)
 319       gtk_widget_hide(p_preference_tab);
 320
 321     /* Show the control window */
 322     gtk_widget_show( p_intf->p_sys->p_window );
 323
 324 #ifdef NEED_GTK2_MAIN
 325     msg_Dbg( p_intf, "Manage GTK keyboard events using threads" );
 326     while( !intf_ShouldDie( p_intf ) )
 327     {
 328         Manage( p_intf );
 329
 330         /* Sleep to avoid using all CPU - since some interfaces need to
 331          * access keyboard events, a 100ms delay is a good compromise */
 332         gdk_threads_leave();
 333         if (vlc_CPU() & CPU_CAPABILITY_FPU)
 334             msleep( INTF_IDLE_SLEEP );
 335         else
 336             msleep( 1000 );
 337         gdk_threads_enter();
 338     }
 339 #else
 340     msg_Dbg( p_intf, "Manage GTK keyboard events using timeouts" );
 341     /* Sleep to avoid using all CPU - since some interfaces needs to access
 342      * keyboard events, a 1000ms delay is a good compromise */
 343     if (vlc_CPU() & CPU_CAPABILITY_FPU)
 344         i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage, p_intf );
 345     else
 346         i_dummy = gtk_timeout_add( 1000, (GtkFunction)Manage, p_intf );
 347
 348     /* Enter Gtk mode */
 349     gtk_main();
 350     /* Remove the timeout */
 351     gtk_timeout_remove( i_dummy );
 352 #endif
 353
 354     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 355 #ifdef NEED_GTK2_MAIN
 356     gdk_threads_leave();
 357 #endif
 358 }
 359
 360 /*****************************************************************************
 361  * GtkAutoplayFile: Autoplay file depending on configuration settings
 362  *****************************************************************************/
 363 void GtkAutoPlayFile( vlc_object_t *p_this )
 364 {
 365     GtkWidget *cbautoplay;
 366     intf_thread_t *p_intf;
 367     int i_index;
 368     vlc_list_t *p_list = vlc_list_find( p_this, VLC_OBJECT_INTF,
 369                                         FIND_ANYWHERE );
 370
 371     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 372     {
 373         p_intf = (intf_thread_t *)p_list->p_values[i_index].p_object ;
 374
 375         if( strcmp( MODULE_STRING, module_GetObjName(p_intf->p_module) ) )
 376         {
 377             continue;
 378         }
 379         cbautoplay = GTK_WIDGET( gtk_object_get_data(
 380                             GTK_OBJECT( p_intf->p_sys->p_window ),
 381                             "cbautoplay" ) );
 382
 383         if( !config_GetInt( p_this, "pda-autoplayfile" ) )
 384         {
 385             p_intf->p_sys->b_autoplayfile = false;
 386         }
 387         else
 388         {
 389             p_intf->p_sys->b_autoplayfile = true;
 390         }
 391         gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( cbautoplay ),
 392                                       p_intf->p_sys->b_autoplayfile );
 393     }
 394     vlc_list_release( p_list );
 395 }
 396
 397 /* following functions are local */
 398
 399 /*****************************************************************************
 400  * Manage: manage main thread messages
 401  *****************************************************************************
 402  * In this function, called approx. 10 times a second, we check what the
 403  * main program wanted to tell us.
 404  *****************************************************************************/
 405 static int Manage( intf_thread_t *p_intf )
 406 {
 407     GtkListStore *p_liststore;
 408     vlc_mutex_lock( &p_intf->change_lock );
 409
 410     /* Update the input */
 411     if( p_intf->p_sys->p_input == NULL )
 412     {
 413         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 414                                                           FIND_ANYWHERE );
 415     }
 416     else if( p_intf->p_sys->p_input->b_dead )
 417     {
 418         vlc_object_release( p_intf->p_sys->p_input );
 419         p_intf->p_sys->p_input = NULL;
 420     }
 421
 422     if( p_intf->p_sys->p_input )
 423     {
 424         input_thread_t *p_input = p_intf->p_sys->p_input;
 425         int64_t i_time = 0, i_length = 0;
 426
 427         vlc_mutex_lock( &p_input->object_lock );
 428         if( !p_input->b_die )
 429         {
 430             playlist_t *p_playlist;
 431
 432             GtkModeManage( p_intf );
 433             p_intf->p_sys->b_playing = 1;
 434
 435             /* update playlist interface */
 436             p_playlist = (playlist_t *) vlc_object_find(
 437                     p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 438             if (p_playlist != NULL)
 439             {
 440                 p_liststore = gtk_list_store_new (3,
 441                                             G_TYPE_STRING,
 442                                             G_TYPE_STRING,
 443                                             G_TYPE_UINT);  /* Hidden index */
 444                 PlaylistRebuildListStore(p_intf, p_liststore, p_playlist);
 445                 gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
 446                 g_object_unref(p_liststore);
 447                 vlc_object_release( p_playlist );
 448             }
 449
 450             /* Manage the slider */
 451             i_time = var_GetTime( p_intf->p_sys->p_input, "time" );
 452             i_length = var_GetTime( p_intf->p_sys->p_input, "length" );
 453
 454             if (vlc_CPU() & CPU_CAPABILITY_FPU)
 455             {
 456                 /* Manage the slider for CPU_CAPABILITY_FPU hardware */
 457                 if( p_intf->p_sys->b_playing )
 458                 {
 459                     float newvalue = p_intf->p_sys->p_adj->value;
 460
 461                     /* If the user hasn't touched the slider since the last time,
 462                      * then the input can safely change it */
 463                     if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 464                     {
 465                         /* Update the value */
 466                         p_intf->p_sys->p_adj->value =
 467                         p_intf->p_sys->f_adj_oldvalue =
 468                             ( 100 * i_time ) / i_length;
 469                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 470                                                  "value_changed" );
 471                     }
 472                     /* Otherwise, send message to the input if the user has
 473                      * finished dragging the slider */
 474                     else if( p_intf->p_sys->b_slider_free )
 475                     {
 476                         double f_pos = (double)newvalue / 100.0;
 477
 478                         /* release the lock to be able to seek */
 479                         vlc_mutex_unlock( &p_input->object_lock );
 480                         var_SetFloat( p_input, "position", f_pos );
 481                         vlc_mutex_lock( &p_input->object_lock );
 482
 483                         /* Update the old value */
 484                         p_intf->p_sys->f_adj_oldvalue = newvalue;
 485                     }
 486                 }
 487             }
 488             else
 489             {
 490                 /* Manage the slider without CPU_CAPABILITY_FPU hardware */
 491                 if( p_intf->p_sys->b_playing )
 492                 {
 493                     off_t newvalue = p_intf->p_sys->p_adj->value;
 494
 495                     /* If the user hasn't touched the slider since the last time,
 496                      * then the input can safely change it */
 497                     if( newvalue == p_intf->p_sys->i_adj_oldvalue )
 498                     {
 499                         /* Update the value */
 500                         p_intf->p_sys->p_adj->value =
 501                         p_intf->p_sys->i_adj_oldvalue =
 502                             ( 100 * i_time ) / i_length;
 503                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 504                                                  "value_changed" );
 505                     }
 506                     /* Otherwise, send message to the input if the user has
 507                      * finished dragging the slider */
 508                     else if( p_intf->p_sys->b_slider_free )
 509                     {
 510                         double f_pos = (double)newvalue / 100.0;
 511
 512                         /* release the lock to be able to seek */
 513                         vlc_mutex_unlock( &p_input->object_lock );
 514                         var_SetFloat( p_input, "position", f_pos );
 515                         vlc_mutex_lock( &p_input->object_lock );
 516
 517                         /* Update the old value */
 518                         p_intf->p_sys->i_adj_oldvalue = newvalue;
 519                     }
 520                 }
 521             }
 522         }
 523         vlc_mutex_unlock( &p_input->object_lock );
 524     }
 525     else if( p_intf->p_sys->b_playing && !intf_ShouldDie( p_intf ) )
 526     {
 527         GtkModeManage( p_intf );
 528         p_intf->p_sys->b_playing = 0;
 529     }
 530
 531 #ifndef NEED_GTK2_MAIN
 532     if( intf_ShouldDie( p_intf ) )
 533     {
 534         vlc_mutex_unlock( &p_intf->change_lock );
 535
 536         /* Prepare to die, young Skywalker */
 537         gtk_main_quit();
 538
 539         return FALSE;
 540     }
 541 #endif
 542
 543     vlc_mutex_unlock( &p_intf->change_lock );
 544
 545     return TRUE;
 546 }
 547
 548 /*****************************************************************************
 549  * GtkDisplayDate: display stream date
 550  *****************************************************************************
 551  * This function displays the current date related to the position in
 552  * the stream. It is called whenever the slider changes its value.
 553  * The lock has to be taken before you call the function.
 554  *****************************************************************************/
 555 void GtkDisplayDate( GtkAdjustment *p_adj, gpointer userdata )
 556 {
 557     intf_thread_t *p_intf;
 558
 559     p_intf = (intf_thread_t*) userdata;
 560     if (p_intf == NULL)
 561         return;
 562
 563     if( p_intf->p_sys->p_input )
 564     {
 565         char psz_time[ MSTRTIME_MAX_SIZE ];
 566         int64_t i_seconds;
 567
 568         i_seconds = var_GetTime( p_intf->p_sys->p_input, "time" ) / INT64_C(1000000 );
 569         secstotimestr( psz_time, i_seconds );
 570
 571         gtk_label_set_text( GTK_LABEL( p_intf->p_sys->p_slider_label ),
 572                             psz_time );
 573      }
 574 }
 575
 576 /*****************************************************************************
 577  * GtkModeManage: actualize the aspect of the interface whenever the input
 578  *                changes.
 579  *****************************************************************************
 580  * The lock has to be taken before you call the function.
 581  *****************************************************************************/
 582 gint GtkModeManage( intf_thread_t * p_intf )
 583 {
 584     GtkWidget *     p_slider = NULL;
 585     bool      b_control;
 586
 587     if ( p_intf->p_sys->p_window == NULL )
 588         msg_Err( p_intf, "Main widget not found" );
 589
 590     p_slider = lookup_widget( p_intf->p_sys->p_window, "timeSlider");
 591     if (p_slider == NULL)
 592         msg_Err( p_intf, "Slider widget not found" );
 593
 594     /* controls unavailable */
 595     b_control = 0;
 596
 597     /* show the box related to current input mode */
 598     if( p_intf->p_sys->p_input )
 599     {
 600         /* initialize and show slider for seekable streams */
 601         {
 602             gtk_widget_show( GTK_WIDGET( p_slider ) );
 603         }
 604
 605         /* control buttons for free pace streams */
 606         b_control = p_intf->p_sys->p_input->b_can_pace_control;
 607
 608         msg_Dbg( p_intf, "stream has changed, refreshing interface" );
 609     }
 610
 611     /* set control items */
 612     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbRewind"), b_control );
 613     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbPause"), b_control );
 614     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbForward"), b_control );
 615     return TRUE;
 616 }