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 <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_interface.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( _("PDA Linux Gtk2+ interface") );
  67     set_category( CAT_INTERFACE );
  68     set_subcategory( SUBCAT_INTERFACE_MAIN );
  69 //    add_bool( "pda-autoplayfile", 1, GtkAutoPlayFile, AUTOPLAYFILE_TEXT, AUTOPLAYFILE_LONGTEXT, VLC_TRUE );
  70     set_capability( "interface", 70 );
  71     set_callbacks( Open, Close );
  72     add_shortcut( "pda" );
  73 vlc_module_end();
  74
  75 /*****************************************************************************
  76  * Open: initialize and create window
  77  *****************************************************************************/
  78 static int Open( vlc_object_t *p_this )
  79 {
  80     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  81
  82     /* Allocate instance and initialize some members */
  83     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
  84     if( p_intf->p_sys == NULL )
  85     {
  86         msg_Err( p_intf, "out of memory" );
  87         return VLC_ENOMEM;
  88     }
  89
  90 #ifdef NEED_GTK2_MAIN
  91     msg_Dbg( p_intf, "Using gui-helper" );
  92     p_intf->p_sys->p_gtk_main =
  93         module_Need( p_this, "gui-helper", "gtk2", VLC_TRUE );
  94     if( p_intf->p_sys->p_gtk_main == NULL )
  95     {
  96         free( p_intf->p_sys );
  97         return VLC_ENOMOD;
  98     }
  99 #endif
 100
 101     /* Initialize Gtk+ thread */
 102     p_intf->p_sys->p_input = NULL;
 103
 104     p_intf->p_sys->b_autoplayfile = 1;
 105     p_intf->p_sys->b_playing = 0;
 106     p_intf->p_sys->b_slider_free = 1;
 107
 108     p_intf->pf_run = Run;
 109
 110     return VLC_SUCCESS;
 111 }
 112
 113 /*****************************************************************************
 114  * Close: destroy interface window
 115  *****************************************************************************/
 116 static void Close( vlc_object_t *p_this )
 117 {
 118     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 119
 120     if( p_intf->p_sys->p_input )
 121     {
 122         vlc_object_release( p_intf->p_sys->p_input );
 123     }
 124
 125 #ifdef NEED_GTK2_MAIN
 126     msg_Dbg( p_intf, "Releasing gui-helper" );
 127     module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
 128 #endif
 129
 130     /* Destroy structure */
 131     free( p_intf->p_sys );
 132 }
 133
 134 /*****************************************************************************
 135  * Run: Gtk+ thread
 136  *****************************************************************************
 137  * this part of the interface is in a separate thread so that we can call
 138  * gtk_main() from within it without annoying the rest of the program.
 139  *****************************************************************************/
 140 static void Run( intf_thread_t *p_intf )
 141 {
 142 #ifndef NEED_GTK2_MAIN
 143     /* gtk_init needs to know the command line. We don't care, so we
 144      * give it an empty one */
 145     char  *p_args[] = { "", NULL };
 146     char **pp_args  = p_args;
 147     int    i_args   = 1;
 148     int    i_dummy;
 149 #endif
 150     playlist_t        *p_playlist;
 151     GtkCellRenderer   *p_renderer = NULL;
 152     GtkTreeViewColumn *p_column   = NULL;
 153     GtkListStore      *p_filelist = NULL;
 154     GtkListStore      *p_playlist_store = NULL;
 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 /* FIXME: magic path */
 168     add_pixmap_directory("share");
 169     add_pixmap_directory("/usr/share/vlc");
 170
 171     /* Path for pixmaps under linupy 1.4 */
 172     add_pixmap_directory("/usr/local/share/pixmaps/vlc");
 173     /* Path for pixmaps under linupy 2.0 */
 174     add_pixmap_directory("/usr/share/pixmaps/vlc");
 175
 176     p_intf->p_sys->p_window = create_pda();
 177     if (p_intf->p_sys->p_window == NULL)
 178     {
 179         msg_Err( p_intf, "unable to create pda interface" );
 180     }
 181
 182     /* Store p_intf to keep an eye on it */
 183     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 184                          "p_intf", p_intf );
 185
 186     /* Set the title of the main window */
 187     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 188                           VOUT_TITLE " (PDA Linux interface)");
 189
 190     /* Get the notebook object */
 191     p_intf->p_sys->p_notebook = GTK_NOTEBOOK( gtk_object_get_data(
 192         GTK_OBJECT( p_intf->p_sys->p_window ), "notebook" ) );
 193
 194     /* Get the slider object */
 195     p_intf->p_sys->p_slider = (GtkHScale*) lookup_widget( p_intf->p_sys->p_window, "timeSlider" );
 196     p_intf->p_sys->p_slider_label = (GtkLabel*) lookup_widget( p_intf->p_sys->p_window, "timeLabel" );
 197     if (p_intf->p_sys->p_slider == NULL)
 198         msg_Err( p_intf, "Time slider widget not found." );
 199     if (p_intf->p_sys->p_slider_label == NULL)
 200         msg_Err( p_intf, "Time label widget not found." );
 201
 202     /* Connect the date display to the slider */
 203     p_intf->p_sys->p_adj = gtk_range_get_adjustment( GTK_RANGE(p_intf->p_sys->p_slider) );
 204     if (p_intf->p_sys->p_adj == NULL)
 205         msg_Err( p_intf, "Adjustment range not found." );
 206     g_signal_connect( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 207                          G_CALLBACK( E_(GtkDisplayDate) ), p_intf );
 208     p_intf->p_sys->f_adj_oldvalue = 0;
 209     p_intf->p_sys->i_adj_oldvalue = 0;
 210
 211     /* BEGIN OF FILEVIEW GTK_TREE_VIEW */
 212     p_intf->p_sys->p_tvfile = NULL;
 213     p_intf->p_sys->p_tvfile = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 214                                                              "tvFileList");
 215     if (NULL == p_intf->p_sys->p_tvfile)
 216        msg_Err(p_intf, "Error obtaining pointer to File List");
 217
 218     /* Insert columns 0 */
 219     p_renderer = gtk_cell_renderer_text_new ();
 220     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 0, (gchar *) N_("Filename"), p_renderer, NULL);
 221     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 0 );
 222     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
 223     gtk_tree_view_column_set_sort_column_id(p_column, 0);
 224     /* Insert columns 1 */
 225     p_renderer = gtk_cell_renderer_text_new ();
 226     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 1, (gchar *) N_("Permissions"), p_renderer, NULL);
 227     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 1 );
 228     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
 229     gtk_tree_view_column_set_sort_column_id(p_column, 1);
 230     /* Insert columns 2 */
 231     p_renderer = gtk_cell_renderer_text_new ();
 232     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 2, (gchar *) N_("Size"), p_renderer, NULL);
 233     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 2 );
 234     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
 235     gtk_tree_view_column_set_sort_column_id(p_column, 2);
 236     /* Insert columns 3 */
 237     p_renderer = gtk_cell_renderer_text_new ();
 238     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 3, (gchar *) N_("Owner"), p_renderer, NULL);
 239     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 3 );
 240     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 3 );
 241     gtk_tree_view_column_set_sort_column_id(p_column, 3);
 242     /* Insert columns 4 */
 243     p_renderer = gtk_cell_renderer_text_new ();
 244     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 4, (gchar *) N_("Group"), p_renderer, NULL);
 245     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 4 );
 246     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 4 );
 247     gtk_tree_view_column_set_sort_column_id(p_column, 4);
 248
 249     /* Get new directory listing */
 250     p_filelist = gtk_list_store_new (5,
 251                 G_TYPE_STRING, /* Filename */
 252                 G_TYPE_STRING, /* permissions */
 253                 G_TYPE_UINT64, /* File size */
 254                 G_TYPE_STRING, /* Owner */
 255                 G_TYPE_STRING);/* Group */
 256     ReadDirectory(p_intf, p_filelist, ".");
 257     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile), GTK_TREE_MODEL(p_filelist));
 258     g_object_unref(p_filelist);     /* Model will be released by GtkTreeView */
 259     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile)),GTK_SELECTION_MULTIPLE);
 260
 261     /* Column properties */
 262     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvfile, TRUE);
 263     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvfile);
 264     gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile),TRUE);
 265     /* END OF FILEVIEW GTK_TREE_VIEW */
 266
 267     /* BEGIN OF PLAYLIST GTK_TREE_VIEW */
 268     p_intf->p_sys->p_tvplaylist = NULL;
 269     p_intf->p_sys->p_tvplaylist = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window, "tvPlaylist");
 270     if (NULL == p_intf->p_sys->p_tvplaylist)
 271        msg_Err(p_intf, "Error obtaining pointer to Play List");
 272
 273     /* Columns 1 */
 274     p_renderer = gtk_cell_renderer_text_new ();
 275     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 0, (gchar *) N_("Filename"), p_renderer, NULL);
 276     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 0 );
 277     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
 278     gtk_tree_view_column_set_sort_column_id(p_column, 0);
 279     /* Column 2 */
 280     p_renderer = gtk_cell_renderer_text_new ();
 281     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 1, (gchar *) N_("Time"), p_renderer, NULL);
 282     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 1 );
 283     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
 284     gtk_tree_view_column_set_sort_column_id(p_column, 1);
 285 #if 0
 286     /* Column 3 - is a hidden column used for reliable deleting items from the underlying playlist */
 287     p_renderer = gtk_cell_renderer_text_new ();
 288     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 2, (gchar *) N_("Index"), p_renderer, NULL);
 289     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 2 );
 290     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
 291     gtk_tree_view_column_set_sort_column_id(p_column, 2);
 292 #endif
 293     /* update the playlist */
 294     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 295     p_playlist_store = gtk_list_store_new (3,
 296                 G_TYPE_STRING, /* Filename */
 297                 G_TYPE_STRING, /* Time */
 298                 G_TYPE_UINT);  /* Hidden index */
 299     PlaylistRebuildListStore(p_playlist_store, p_playlist);
 300     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist), GTK_TREE_MODEL(p_playlist_store));
 301     g_object_unref(p_playlist_store);
 302     vlc_object_release(p_playlist); /* Free the playlist */
 303     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist)),GTK_SELECTION_MULTIPLE);
 304
 305     /* Column properties */
 306     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
 307     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
 308     gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
 309     /* END OF PLAYLIST GTK_TREE_VIEW */
 310
 311     /* Hide the Preference TAB for now. */
 312     GtkWidget *p_preference_tab = NULL;
 313     p_preference_tab = gtk_notebook_get_nth_page(p_intf->p_sys->p_notebook,5);
 314     if (p_preference_tab != NULL)
 315       gtk_widget_hide(p_preference_tab);
 316
 317     /* Show the control window */
 318     gtk_widget_show( p_intf->p_sys->p_window );
 319
 320 #ifdef NEED_GTK2_MAIN
 321     msg_Dbg( p_intf, "Manage GTK keyboard events using threads" );
 322     while( !intf_ShouldDie( p_intf ) )
 323     {
 324         Manage( p_intf );
 325
 326         /* Sleep to avoid using all CPU - since some interfaces need to
 327          * access keyboard events, a 100ms delay is a good compromise */
 328         gdk_threads_leave();
 329         if (vlc_CPU() & CPU_CAPABILITY_FPU)
 330             msleep( INTF_IDLE_SLEEP );
 331         else
 332             msleep( 1000 );
 333         gdk_threads_enter();
 334     }
 335 #else
 336     msg_Dbg( p_intf, "Manage GTK keyboard events using timeouts" );
 337     /* Sleep to avoid using all CPU - since some interfaces needs to access
 338      * keyboard events, a 1000ms delay is a good compromise */
 339     if (vlc_CPU() & CPU_CAPABILITY_FPU)
 340         i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage, p_intf );
 341     else
 342         i_dummy = gtk_timeout_add( 1000, (GtkFunction)Manage, p_intf );
 343
 344     /* Enter Gtk mode */
 345     gtk_main();
 346     /* Remove the timeout */
 347     gtk_timeout_remove( i_dummy );
 348 #endif
 349
 350     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 351 #ifdef NEED_GTK2_MAIN
 352     gdk_threads_leave();
 353 #endif
 354 }
 355
 356 /*****************************************************************************
 357  * GtkAutoplayFile: Autoplay file depending on configuration settings
 358  *****************************************************************************/
 359 void GtkAutoPlayFile( vlc_object_t *p_this )
 360 {
 361     GtkWidget *cbautoplay;
 362     intf_thread_t *p_intf;
 363     int i_index;
 364     vlc_list_t *p_list = vlc_list_find( p_this, VLC_OBJECT_INTF,
 365                                         FIND_ANYWHERE );
 366
 367     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 368     {
 369         p_intf = (intf_thread_t *)p_list->p_values[i_index].p_object ;
 370
 371         if( strcmp( MODULE_STRING, p_intf->p_module->psz_object_name ) )
 372         {
 373             continue;
 374         }
 375         cbautoplay = GTK_WIDGET( gtk_object_get_data(
 376                             GTK_OBJECT( p_intf->p_sys->p_window ),
 377                             "cbautoplay" ) );
 378
 379         if( !config_GetInt( p_this, "pda-autoplayfile" ) )
 380         {
 381             p_intf->p_sys->b_autoplayfile = VLC_FALSE;
 382         }
 383         else
 384         {
 385             p_intf->p_sys->b_autoplayfile = VLC_TRUE;
 386         }
 387         gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( cbautoplay ),
 388                                       p_intf->p_sys->b_autoplayfile );
 389     }
 390     vlc_list_release( p_list );
 391 }
 392
 393 /* following functions are local */
 394
 395 /*****************************************************************************
 396  * Manage: manage main thread messages
 397  *****************************************************************************
 398  * In this function, called approx. 10 times a second, we check what the
 399  * main program wanted to tell us.
 400  *****************************************************************************/
 401 static int Manage( intf_thread_t *p_intf )
 402 {
 403     GtkListStore *p_liststore;
 404     vlc_mutex_lock( &p_intf->change_lock );
 405
 406     /* Update the input */
 407     if( p_intf->p_sys->p_input == NULL )
 408     {
 409         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 410                                                           FIND_ANYWHERE );
 411     }
 412     else if( p_intf->p_sys->p_input->b_dead )
 413     {
 414         vlc_object_release( p_intf->p_sys->p_input );
 415         p_intf->p_sys->p_input = NULL;
 416     }
 417
 418     if( p_intf->p_sys->p_input )
 419     {
 420         input_thread_t *p_input = p_intf->p_sys->p_input;
 421         int64_t i_time = 0, i_length = 0;
 422
 423         vlc_mutex_lock( &p_input->object_lock );
 424         if( !p_input->b_die )
 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             /* Manage the slider */
 447             i_time = var_GetTime( p_intf->p_sys->p_input, "time" );
 448             i_length = var_GetTime( p_intf->p_sys->p_input, "length" );
 449
 450             if (vlc_CPU() & CPU_CAPABILITY_FPU)
 451             {
 452                 /* Manage the slider for CPU_CAPABILITY_FPU hardware */
 453                 if( p_intf->p_sys->b_playing )
 454                 {
 455                     float newvalue = p_intf->p_sys->p_adj->value;
 456
 457                     /* If the user hasn't touched the slider since the last time,
 458                      * then the input can safely change it */
 459                     if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 460                     {
 461                         /* Update the value */
 462                         p_intf->p_sys->p_adj->value =
 463                         p_intf->p_sys->f_adj_oldvalue =
 464                             ( 100 * i_time ) / i_length;
 465                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 466                                                  "value_changed" );
 467                     }
 468                     /* Otherwise, send message to the input if the user has
 469                      * finished dragging the slider */
 470                     else if( p_intf->p_sys->b_slider_free )
 471                     {
 472                         double f_pos = (double)newvalue / 100.0;
 473
 474                         /* release the lock to be able to seek */
 475                         vlc_mutex_unlock( &p_input->object_lock );
 476                         var_SetFloat( p_input, "position", f_pos );
 477                         vlc_mutex_lock( &p_input->object_lock );
 478
 479                         /* Update the old value */
 480                         p_intf->p_sys->f_adj_oldvalue = newvalue;
 481                     }
 482                 }
 483             }
 484             else
 485             {
 486                 /* Manage the slider without CPU_CAPABILITY_FPU hardware */
 487                 if( p_intf->p_sys->b_playing )
 488                 {
 489                     off_t newvalue = p_intf->p_sys->p_adj->value;
 490
 491                     /* If the user hasn't touched the slider since the last time,
 492                      * then the input can safely change it */
 493                     if( newvalue == p_intf->p_sys->i_adj_oldvalue )
 494                     {
 495                         /* Update the value */
 496                         p_intf->p_sys->p_adj->value =
 497                         p_intf->p_sys->i_adj_oldvalue =
 498                             ( 100 * i_time ) / i_length;
 499                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 500                                                  "value_changed" );
 501                     }
 502                     /* Otherwise, send message to the input if the user has
 503                      * finished dragging the slider */
 504                     else if( p_intf->p_sys->b_slider_free )
 505                     {
 506                         double f_pos = (double)newvalue / 100.0;
 507
 508                         /* release the lock to be able to seek */
 509                         vlc_mutex_unlock( &p_input->object_lock );
 510                         var_SetFloat( p_input, "position", f_pos );
 511                         vlc_mutex_lock( &p_input->object_lock );
 512
 513                         /* Update the old value */
 514                         p_intf->p_sys->i_adj_oldvalue = newvalue;
 515                     }
 516                 }
 517             }
 518         }
 519         vlc_mutex_unlock( &p_input->object_lock );
 520     }
 521     else if( p_intf->p_sys->b_playing && !intf_ShouldDie( p_intf ) )
 522     {
 523         E_(GtkModeManage)( p_intf );
 524         p_intf->p_sys->b_playing = 0;
 525     }
 526
 527 #ifndef NEED_GTK2_MAIN
 528     if( intf_ShouldDie( p_intf ) )
 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         {
 598             gtk_widget_show( GTK_WIDGET( p_slider ) );
 599         }
 600
 601         /* control buttons for free pace streams */
 602         b_control = p_intf->p_sys->p_input->b_can_pace_control;
 603
 604         msg_Dbg( p_intf, "stream has changed, refreshing interface" );
 605     }
 606
 607     /* set control items */
 608     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbRewind"), b_control );
 609     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbPause"), b_control );
 610     gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbForward"), b_control );
 611     return TRUE;
 612 }
 613