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 static int Manage        ( intf_thread_t *p_intf );
  55 void GtkDisplayDate  ( GtkAdjustment *p_adj, gpointer userdata );
  56 gint GtkModeManage   ( intf_thread_t * p_intf );
  57
  58 /*****************************************************************************
  59  * Module descriptor
  60  *****************************************************************************/
  61 #define AUTOPLAYFILE_TEXT  N_("Autoplay selected file")
  62 #define AUTOPLAYFILE_LONGTEXT N_("Automatically play a file when selected in the "\
  63         "file selection list")
  64
  65 /*****************************************************************************
  66  * Module descriptor
  67  *****************************************************************************/
  68 vlc_module_begin ()
  69     set_description( N_("PDA Linux Gtk2+ interface") )
  70     set_category( CAT_INTERFACE )
  71     set_subcategory( SUBCAT_INTERFACE_MAIN )
  72     set_capability( "interface", 0 )
  73     set_callbacks( Open, Close )
  74     add_shortcut( "pda" )
  75 vlc_module_end ()
  76
  77 /*****************************************************************************
  78  * Open: initialize and create window
  79  *****************************************************************************/
  80 static int Open( vlc_object_t *p_this )
  81 {
  82     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  83
  84     /* Allocate instance and initialize some members */
  85     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
  86     if( p_intf->p_sys == NULL )
  87         return VLC_ENOMEM;
  88
  89 #ifdef NEED_GTK2_MAIN
  90     msg_Dbg( p_intf, "Using gui-helper" );
  91     p_intf->p_sys->p_gtk_main =
  92         module_need( p_this, "gui-helper", "gtk2", true );
  93     if( p_intf->p_sys->p_gtk_main == NULL )
  94     {
  95         free( p_intf->p_sys );
  96         return VLC_ENOMOD;
  97     }
  98 #endif
  99
 100     /* Initialize Gtk+ thread */
 101     p_intf->p_sys->p_input = NULL;
 102
 103     p_intf->p_sys->b_autoplayfile = 1;
 104     p_intf->p_sys->b_playing = 0;
 105     p_intf->p_sys->b_slider_free = 1;
 106
 107     p_intf->pf_run = Run;
 108
 109     return VLC_SUCCESS;
 110 }
 111
 112 /*****************************************************************************
 113  * Close: destroy interface window
 114  *****************************************************************************/
 115 static void Close( vlc_object_t *p_this )
 116 {
 117     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 118
 119     if( p_intf->p_sys->p_input )
 120     {
 121         vlc_object_release( p_intf->p_sys->p_input );
 122     }
 123
 124 #ifdef NEED_GTK2_MAIN
 125     msg_Dbg( p_intf, "Releasing gui-helper" );
 126     module_unneed( p_intf, p_intf->p_sys->p_gtk_main );
 127 #endif
 128
 129     /* Destroy structure */
 130     free( p_intf->p_sys );
 131 }
 132
 133 /*****************************************************************************
 134  * Run: Gtk+ thread
 135  *****************************************************************************
 136  * this part of the interface is in a separate thread so that we can call
 137  * gtk_main() from within it without annoying the rest of the program.
 138  *****************************************************************************/
 139 static void Run( intf_thread_t *p_intf )
 140 {
 141 #ifndef NEED_GTK2_MAIN
 142     /* gtk_init needs to know the command line. We don't care, so we
 143      * give it an empty one */
 144     char  *p_args[] = { "", NULL };
 145     char **pp_args  = p_args;
 146     int    i_args   = 1;
 147     int    i_dummy;
 148 #endif
 149     playlist_t        *p_playlist;
 150     GtkCellRenderer   *p_renderer = NULL;
 151     GtkTreeViewColumn *p_column   = NULL;
 152     GtkListStore      *p_filelist = NULL;
 153     GtkListStore      *p_playlist_store = NULL;
 154     int canc = vlc_savecancel();
 155
 156 #ifndef NEED_GTK2_MAIN
 157     gtk_set_locale ();
 158     msg_Dbg( p_intf, "Starting pda GTK2+ interface" );
 159     gtk_init( &i_args, &pp_args );
 160 #else
 161     /* Initialize Gtk+ */
 162     msg_Dbg( p_intf, "Starting pda GTK2+ interface thread" );
 163     gdk_threads_enter();
 164 #endif
 165
 166     /* Create some useful widgets that will certainly be used */
 167     add_pixmap_directory(config_GetDataDir());
 168
 169     p_intf->p_sys->p_window = create_pda();
 170     if (p_intf->p_sys->p_window == NULL)
 171     {
 172         msg_Err( p_intf, "unable to create pda interface" );
 173     }
 174
 175     /* Store p_intf to keep an eye on it */
 176     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 177                          "p_intf", p_intf );
 178
 179     /* Set the title of the main window */
 180     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 181                           VOUT_TITLE " (PDA Linux interface)");
 182
 183     /* Get the notebook object */
 184     p_intf->p_sys->p_notebook = GTK_NOTEBOOK( gtk_object_get_data(
 185         GTK_OBJECT( p_intf->p_sys->p_window ), "notebook" ) );
 186
 187     /* Get the slider object */
 188     p_intf->p_sys->p_slider = (GtkHScale*) lookup_widget( p_intf->p_sys->p_window, "timeSlider" );
 189     p_intf->p_sys->p_slider_label = (GtkLabel*) lookup_widget( p_intf->p_sys->p_window, "timeLabel" );
 190     if (p_intf->p_sys->p_slider == NULL)
 191         msg_Err( p_intf, "Time slider widget not found." );
 192     if (p_intf->p_sys->p_slider_label == NULL)
 193         msg_Err( p_intf, "Time label widget not found." );
 194
 195     /* Connect the date display to the slider */
 196     p_intf->p_sys->p_adj = gtk_range_get_adjustment( GTK_RANGE(p_intf->p_sys->p_slider) );
 197     if (p_intf->p_sys->p_adj == NULL)
 198         msg_Err( p_intf, "Adjustment range not found." );
 199     g_signal_connect( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 200                          G_CALLBACK( GtkDisplayDate ), p_intf );
 201     p_intf->p_sys->f_adj_oldvalue = 0;
 202     p_intf->p_sys->i_adj_oldvalue = 0;
 203
 204     /* BEGIN OF FILEVIEW GTK_TREE_VIEW */
 205     p_intf->p_sys->p_tvfile = NULL;
 206     p_intf->p_sys->p_tvfile = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 207                                                              "tvFileList");
 208     if (NULL == p_intf->p_sys->p_tvfile)
 209        msg_Err(p_intf, "Error obtaining pointer to File List");
 210
 211     /* Insert columns 0 */
 212     p_renderer = gtk_cell_renderer_text_new ();
 213     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 0, (gchar *) N_("Filename"), p_renderer, NULL);
 214     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 0 );
 215     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
 216     gtk_tree_view_column_set_sort_column_id(p_column, 0);
 217     /* Insert columns 1 */
 218     p_renderer = gtk_cell_renderer_text_new ();
 219     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 1, (gchar *) N_("Permissions"), p_renderer, NULL);
 220     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 1 );
 221     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
 222     gtk_tree_view_column_set_sort_column_id(p_column, 1);
 223     /* Insert columns 2 */
 224     p_renderer = gtk_cell_renderer_text_new ();
 225     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 2, (gchar *) N_("Size"), p_renderer, NULL);
 226     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 2 );
 227     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
 228     gtk_tree_view_column_set_sort_column_id(p_column, 2);
 229     /* Insert columns 3 */
 230     p_renderer = gtk_cell_renderer_text_new ();
 231     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 3, (gchar *) N_("Owner"), p_renderer, NULL);
 232     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 3 );
 233     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 3 );
 234     gtk_tree_view_column_set_sort_column_id(p_column, 3);
 235     /* Insert columns 4 */
 236     p_renderer = gtk_cell_renderer_text_new ();
 237     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 4, (gchar *) N_("Group"), p_renderer, NULL);
 238     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 4 );
 239     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 4 );
 240     gtk_tree_view_column_set_sort_column_id(p_column, 4);
 241
 242     /* Get new directory listing */
 243     p_filelist = gtk_list_store_new (5,
 244                 G_TYPE_STRING, /* Filename */
 245                 G_TYPE_STRING, /* permissions */
 246                 G_TYPE_UINT64, /* File size */
 247                 G_TYPE_STRING, /* Owner */
 248                 G_TYPE_STRING);/* Group */
 249     ReadDirectory(p_intf, p_filelist, (char*)".");
 250     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile), GTK_TREE_MODEL(p_filelist));
 251     g_object_unref(p_filelist);     /* Model will be released by GtkTreeView */
 252     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile)),GTK_SELECTION_MULTIPLE);
 253
 254     /* Column properties */
 255     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvfile, TRUE);
 256     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvfile);
 257     gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile),TRUE);
 258     /* END OF FILEVIEW GTK_TREE_VIEW */
 259
 260     /* BEGIN OF PLAYLIST GTK_TREE_VIEW */
 261     p_intf->p_sys->p_tvplaylist = NULL;
 262     p_intf->p_sys->p_tvplaylist = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window, "tvPlaylist");
 263     if (NULL == p_intf->p_sys->p_tvplaylist)
 264        msg_Err(p_intf, "Error obtaining pointer to Play List");
 265
 266     /* Columns 1 */
 267     p_renderer = gtk_cell_renderer_text_new ();
 268     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 0, (gchar *) N_("Filename"), p_renderer, NULL);
 269     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 0 );
 270     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
 271     gtk_tree_view_column_set_sort_column_id(p_column, 0);
 272     /* Column 2 */
 273     p_renderer = gtk_cell_renderer_text_new ();
 274     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 1, (gchar *) N_("Time"), p_renderer, NULL);
 275     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 1 );
 276     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
 277     gtk_tree_view_column_set_sort_column_id(p_column, 1);
 278 #if 0
 279     /* Column 3 - is a hidden column used for reliable deleting items from the underlying playlist */
 280     p_renderer = gtk_cell_renderer_text_new ();
 281     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 2, (gchar *) N_("Index"), p_renderer, NULL);
 282     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 2 );
 283     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
 284     gtk_tree_view_column_set_sort_column_id(p_column, 2);
 285 #endif
 286     /* update the playlist */
 287     p_playlist = pl_Hold( p_intf );
 288     p_playlist_store = gtk_list_store_new (3,
 289                 G_TYPE_STRING, /* Filename */
 290                 G_TYPE_STRING, /* Time */
 291                 G_TYPE_UINT);  /* Hidden index */
 292     PlaylistRebuildListStore(p_intf,p_playlist_store, p_playlist);
 293     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist), GTK_TREE_MODEL(p_playlist_store));
 294     g_object_unref(p_playlist_store);
 295     pl_Release( p_intf ); /* Free the playlist */
 296     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist)),GTK_SELECTION_MULTIPLE);
 297
 298     /* Column properties */
 299     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
 300     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
 301     gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
 302     /* END OF PLAYLIST GTK_TREE_VIEW */
 303
 304     /* Hide the Preference TAB for now. */
 305     GtkWidget *p_preference_tab = NULL;
 306     p_preference_tab = gtk_notebook_get_nth_page(p_intf->p_sys->p_notebook,5);
 307     if (p_preference_tab != NULL)
 308       gtk_widget_hide(p_preference_tab);
 309
 310     /* Show the control window */
 311     gtk_widget_show( p_intf->p_sys->p_window );
 312
 313 #ifdef NEED_GTK2_MAIN
 314     msg_Dbg( p_intf, "Manage GTK keyboard events using threads" );
 315     while( vlc_object_alive( p_intf ) )
 316     {
 317         Manage( p_intf );
 318
 319         /* Sleep to avoid using all CPU - since some interfaces need to
 320          * access keyboard events, a 100ms delay is a good compromise */
 321         gdk_threads_leave();
 322         if (vlc_CPU() & CPU_CAPABILITY_FPU)
 323             msleep( INTF_IDLE_SLEEP );
 324         else
 325             msleep( 1000 );
 326         gdk_threads_enter();
 327     }
 328 #else
 329     msg_Dbg( p_intf, "Manage GTK keyboard events using timeouts" );
 330     /* Sleep to avoid using all CPU - since some interfaces needs to access
 331      * keyboard events, a 1000ms delay is a good compromise */
 332     if (vlc_CPU() & CPU_CAPABILITY_FPU)
 333         i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage, p_intf );
 334     else
 335         i_dummy = gtk_timeout_add( 1000, (GtkFunction)Manage, p_intf );
 336
 337     /* Enter Gtk mode */
 338     gtk_main();
 339     /* Remove the timeout */
 340     gtk_timeout_remove( i_dummy );
 341 #endif
 342
 343     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 344 #ifdef NEED_GTK2_MAIN
 345     gdk_threads_leave();
 346 #endif
 347     vlc_restorecancel(canc);
 348 }
 349
 350 /* following functions are local */
 351
 352 /*****************************************************************************
 353  * Manage: manage main thread messages
 354  *****************************************************************************
 355  * In this function, called approx. 10 times a second, we check what the
 356  * main program wanted to tell us.
 357  *****************************************************************************/
 358 static int Manage( intf_thread_t *p_intf )
 359 {
 360     GtkListStore *p_liststore;
 361
 362     /* Update the input */
 363     if( p_intf->p_sys->p_input == NULL )
 364     {
 365         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 366                                                           FIND_ANYWHERE );
 367     }
 368     else if( p_intf->p_sys->p_input->b_dead )
 369     {
 370         vlc_object_release( p_intf->p_sys->p_input );
 371         p_intf->p_sys->p_input = NULL;
 372     }
 373
 374     if( p_intf->p_sys->p_input )
 375     {
 376         input_thread_t *p_input = p_intf->p_sys->p_input;
 377         int64_t i_time = 0, i_length = 0;
 378
 379         if( vlc_object_alive (p_input) )
 380         {
 381             playlist_t *p_playlist;
 382
 383             GtkModeManage( p_intf );
 384             p_intf->p_sys->b_playing = 1;
 385
 386             /* update playlist interface */
 387             p_playlist = pl_Hold( p_intf );
 388             if (p_playlist != NULL)
 389             {
 390                 p_liststore = gtk_list_store_new (3,
 391                                             G_TYPE_STRING,
 392                                             G_TYPE_STRING,
 393                                             G_TYPE_UINT);  /* Hidden index */
 394                 PlaylistRebuildListStore(p_intf, p_liststore, p_playlist);
 395                 gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
 396                 g_object_unref(p_liststore);
 397                 pl_Release( p_intf );
 398             }
 399
 400             /* Manage the slider */
 401             i_time = var_GetTime( p_intf->p_sys->p_input, "time" );
 402             i_length = var_GetTime( p_intf->p_sys->p_input, "length" );
 403
 404             if (vlc_CPU() & CPU_CAPABILITY_FPU)
 405             {
 406                 /* Manage the slider for CPU_CAPABILITY_FPU hardware */
 407                 if( p_intf->p_sys->b_playing )
 408                 {
 409                     float newvalue = p_intf->p_sys->p_adj->value;
 410
 411                     /* If the user hasn't touched the slider since the last time,
 412                      * then the input can safely change it */
 413                     if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 414                     {
 415                         /* Update the value */
 416                         p_intf->p_sys->p_adj->value =
 417                         p_intf->p_sys->f_adj_oldvalue =
 418                             ( 100 * i_time ) / i_length;
 419                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 420                                                  "value_changed" );
 421                     }
 422                     /* Otherwise, send message to the input if the user has
 423                      * finished dragging the slider */
 424                     else if( p_intf->p_sys->b_slider_free )
 425                     {
 426                         double f_pos = (double)newvalue / 100.0;
 427
 428                         /* release the lock to be able to seek */
 429                         var_SetFloat( p_input, "position", f_pos );
 430
 431                         /* Update the old value */
 432                         p_intf->p_sys->f_adj_oldvalue = newvalue;
 433                     }
 434                 }
 435             }
 436             else
 437             {
 438                 /* Manage the slider without CPU_CAPABILITY_FPU hardware */
 439                 if( p_intf->p_sys->b_playing )
 440                 {
 441                     off_t newvalue = p_intf->p_sys->p_adj->value;
 442
 443                     /* If the user hasn't touched the slider since the last time,
 444                      * then the input can safely change it */
 445                     if( newvalue == p_intf->p_sys->i_adj_oldvalue )
 446                     {
 447                         /* Update the value */
 448                         p_intf->p_sys->p_adj->value =
 449                         p_intf->p_sys->i_adj_oldvalue =
 450                             ( 100 * i_time ) / i_length;
 451                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 452                                                  "value_changed" );
 453                     }
 454                     /* Otherwise, send message to the input if the user has
 455                      * finished dragging the slider */
 456                     else if( p_intf->p_sys->b_slider_free )
 457                     {
 458                         double f_pos = (double)newvalue / 100.0;
 459
 460                         /* release the lock to be able to seek */
 461                         var_SetFloat( p_input, "position", f_pos );
 462
 463                         /* Update the old value */
 464                         p_intf->p_sys->i_adj_oldvalue = newvalue;
 465                     }
 466                 }
 467             }
 468         }
 469     }
 470     else if( p_intf->p_sys->b_playing && vlc_object_alive( p_intf ) )
 471     {
 472         GtkModeManage( p_intf );
 473         p_intf->p_sys->b_playing = 0;
 474     }
 475
 476 #ifndef NEED_GTK2_MAIN
 477     if( !vlc_object_alive( p_intf ) )
 478     {
 479         /* Prepare to die, young Skywalker */
 480         gtk_main_quit();
 481
 482         return FALSE;
 483     }
 484 #endif
 485
 486     return TRUE;
 487 }
 488
 489 /*****************************************************************************
 490  * GtkDisplayDate: display stream date
 491  *****************************************************************************
 492  * This function displays the current date related to the position in
 493  * the stream. It is called whenever the slider changes its value.
 494  * The lock has to be taken before you call the function.
 495  *****************************************************************************/
 496 void GtkDisplayDate( GtkAdjustment *p_adj, gpointer userdata )
 497 {
 498     (void)p_adj;
 499
 500     intf_thread_t *p_intf;
 501
 502     p_intf = (intf_thread_t*) userdata;
 503     if (p_intf == NULL)
 504         return;
 505
 506     if( p_intf->p_sys->p_input )
 507     {
 508         char psz_time[ MSTRTIME_MAX_SIZE ];
 509         int64_t i_seconds;
 510
 511         i_seconds = var_GetTime( p_intf->p_sys->p_input, "time" ) / INT64_C(1000000 );
 512         secstotimestr( psz_time, i_seconds );
 513
 514         gtk_label_set_text( GTK_LABEL( p_intf->p_sys->p_slider_label ),
 515                             psz_time );
 516      }
 517 }
 518
 519 /*****************************************************************************
 520  * GtkModeManage: actualize the aspect of the interface whenever the input
 521  *                changes.
 522  *****************************************************************************
 523  * The lock has to be taken before you call the function.
 524  *****************************************************************************/
 525 gint GtkModeManage( intf_thread_t * p_intf )
 526 {
 527     GtkWidget *     p_slider = NULL;
 528     bool      b_control;
 529
 530     if ( p_intf->p_sys->p_window == NULL )
 531         msg_Err( p_intf, "Main widget not found" );
 532
 533     p_slider = lookup_widget( p_intf->p_sys->p_window, "timeSlider");
 534     if (p_slider == NULL)
 535         msg_Err( p_intf, "Slider widget not found" );
 536
 537     /* controls unavailable */
 538     b_control = 0;
 539
 540     /* show the box related to current input mode */
 541     if( p_intf->p_sys->p_input )
 542     {
 543         /* initialize and show slider for seekable streams */
 544         {
 545             gtk_widget_show( GTK_WIDGET( p_slider ) );
 546         }
 547
 548         /* control buttons for free pace streams */
 549         b_control = var_GetBool( p_intf->p_sys->p_input, "can-rate" );
 550
 551         msg_Dbg( p_intf, "stream has changed, refreshing interface" );
 552     }
 553
 554     /* set control items */
 555     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbRewind"), b_control );
 556     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbPause"), b_control );
 557     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbForward"), b_control );
 558     return TRUE;
 559 }