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 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( N_("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", 0 );
  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     int canc = vlc_savecancel();
 160
 161 #ifndef NEED_GTK2_MAIN
 162     gtk_set_locale ();
 163     msg_Dbg( p_intf, "Starting pda GTK2+ interface" );
 164     gtk_init( &i_args, &pp_args );
 165 #else
 166     /* Initialize Gtk+ */
 167     msg_Dbg( p_intf, "Starting pda GTK2+ interface thread" );
 168     gdk_threads_enter();
 169 #endif
 170
 171     /* Create some useful widgets that will certainly be used */
 172     add_pixmap_directory(config_GetDataDir());
 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( 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, (char*)".");
 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 = pl_Yield( p_intf );
 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_intf,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     pl_Release( p_intf ); /* Free the playlist */
 301     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist)),GTK_SELECTION_MULTIPLE);
 302
 303     /* Column properties */
 304     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
 305     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
 306     gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
 307     /* END OF PLAYLIST GTK_TREE_VIEW */
 308
 309     /* Hide the Preference TAB for now. */
 310     GtkWidget *p_preference_tab = NULL;
 311     p_preference_tab = gtk_notebook_get_nth_page(p_intf->p_sys->p_notebook,5);
 312     if (p_preference_tab != NULL)
 313       gtk_widget_hide(p_preference_tab);
 314
 315     /* Show the control window */
 316     gtk_widget_show( p_intf->p_sys->p_window );
 317
 318 #ifdef NEED_GTK2_MAIN
 319     msg_Dbg( p_intf, "Manage GTK keyboard events using threads" );
 320     while( !intf_ShouldDie( p_intf ) )
 321     {
 322         Manage( p_intf );
 323
 324         /* Sleep to avoid using all CPU - since some interfaces need to
 325          * access keyboard events, a 100ms delay is a good compromise */
 326         gdk_threads_leave();
 327         if (vlc_CPU() & CPU_CAPABILITY_FPU)
 328             msleep( INTF_IDLE_SLEEP );
 329         else
 330             msleep( 1000 );
 331         gdk_threads_enter();
 332     }
 333 #else
 334     msg_Dbg( p_intf, "Manage GTK keyboard events using timeouts" );
 335     /* Sleep to avoid using all CPU - since some interfaces needs to access
 336      * keyboard events, a 1000ms delay is a good compromise */
 337     if (vlc_CPU() & CPU_CAPABILITY_FPU)
 338         i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage, p_intf );
 339     else
 340         i_dummy = gtk_timeout_add( 1000, (GtkFunction)Manage, p_intf );
 341
 342     /* Enter Gtk mode */
 343     gtk_main();
 344     /* Remove the timeout */
 345     gtk_timeout_remove( i_dummy );
 346 #endif
 347
 348     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 349 #ifdef NEED_GTK2_MAIN
 350     gdk_threads_leave();
 351 #endif
 352     vlc_restorecancel(canc);
 353 }
 354
 355 /*****************************************************************************
 356  * GtkAutoplayFile: Autoplay file depending on configuration settings
 357  *****************************************************************************/
 358 void GtkAutoPlayFile( vlc_object_t *p_this )
 359 {
 360     GtkWidget *cbautoplay;
 361     intf_thread_t *p_intf;
 362     int i_index;
 363     vlc_list_t *p_list = vlc_list_find( p_this, VLC_OBJECT_INTF,
 364                                         FIND_ANYWHERE );
 365
 366     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 367     {
 368         p_intf = (intf_thread_t *)p_list->p_values[i_index].p_object ;
 369
 370         if( strcmp( MODULE_STRING, module_GetObjName(p_intf->p_module) ) )
 371         {
 372             continue;
 373         }
 374         cbautoplay = GTK_WIDGET( gtk_object_get_data(
 375                             GTK_OBJECT( p_intf->p_sys->p_window ),
 376                             "cbautoplay" ) );
 377
 378         if( !config_GetInt( p_this, "pda-autoplayfile" ) )
 379         {
 380             p_intf->p_sys->b_autoplayfile = false;
 381         }
 382         else
 383         {
 384             p_intf->p_sys->b_autoplayfile = true;
 385         }
 386         gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( cbautoplay ),
 387                                       p_intf->p_sys->b_autoplayfile );
 388     }
 389     vlc_list_release( p_list );
 390 }
 391
 392 /* following functions are local */
 393
 394 /*****************************************************************************
 395  * Manage: manage main thread messages
 396  *****************************************************************************
 397  * In this function, called approx. 10 times a second, we check what the
 398  * main program wanted to tell us.
 399  *****************************************************************************/
 400 static int Manage( intf_thread_t *p_intf )
 401 {
 402     GtkListStore *p_liststore;
 403     vlc_mutex_lock( &p_intf->change_lock );
 404
 405     /* Update the input */
 406     if( p_intf->p_sys->p_input == NULL )
 407     {
 408         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 409                                                           FIND_ANYWHERE );
 410     }
 411     else if( p_intf->p_sys->p_input->b_dead )
 412     {
 413         vlc_object_release( p_intf->p_sys->p_input );
 414         p_intf->p_sys->p_input = NULL;
 415     }
 416
 417     if( p_intf->p_sys->p_input )
 418     {
 419         input_thread_t *p_input = p_intf->p_sys->p_input;
 420         int64_t i_time = 0, i_length = 0;
 421
 422         vlc_object_lock( p_input );
 423         if( vlc_object_alive (p_input) )
 424         {
 425             playlist_t *p_playlist;
 426
 427             GtkModeManage( p_intf );
 428             p_intf->p_sys->b_playing = 1;
 429
 430             /* update playlist interface */
 431             p_playlist = pl_Yield( p_intf );
 432             if (p_playlist != NULL)
 433             {
 434                 p_liststore = gtk_list_store_new (3,
 435                                             G_TYPE_STRING,
 436                                             G_TYPE_STRING,
 437                                             G_TYPE_UINT);  /* Hidden index */
 438                 PlaylistRebuildListStore(p_intf, p_liststore, p_playlist);
 439                 gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
 440                 g_object_unref(p_liststore);
 441                 pl_Release( p_intf );
 442             }
 443
 444             /* Manage the slider */
 445             i_time = var_GetTime( p_intf->p_sys->p_input, "time" );
 446             i_length = var_GetTime( p_intf->p_sys->p_input, "length" );
 447
 448             if (vlc_CPU() & CPU_CAPABILITY_FPU)
 449             {
 450                 /* Manage the slider for CPU_CAPABILITY_FPU hardware */
 451                 if( p_intf->p_sys->b_playing )
 452                 {
 453                     float newvalue = p_intf->p_sys->p_adj->value;
 454
 455                     /* If the user hasn't touched the slider since the last time,
 456                      * then the input can safely change it */
 457                     if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 458                     {
 459                         /* Update the value */
 460                         p_intf->p_sys->p_adj->value =
 461                         p_intf->p_sys->f_adj_oldvalue =
 462                             ( 100 * i_time ) / i_length;
 463                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 464                                                  "value_changed" );
 465                     }
 466                     /* Otherwise, send message to the input if the user has
 467                      * finished dragging the slider */
 468                     else if( p_intf->p_sys->b_slider_free )
 469                     {
 470                         double f_pos = (double)newvalue / 100.0;
 471
 472                         /* release the lock to be able to seek */
 473                         vlc_object_unlock( p_input );
 474                         var_SetFloat( p_input, "position", f_pos );
 475                         vlc_object_lock( p_input );
 476
 477                         /* Update the old value */
 478                         p_intf->p_sys->f_adj_oldvalue = newvalue;
 479                     }
 480                 }
 481             }
 482             else
 483             {
 484                 /* Manage the slider without CPU_CAPABILITY_FPU hardware */
 485                 if( p_intf->p_sys->b_playing )
 486                 {
 487                     off_t newvalue = p_intf->p_sys->p_adj->value;
 488
 489                     /* If the user hasn't touched the slider since the last time,
 490                      * then the input can safely change it */
 491                     if( newvalue == p_intf->p_sys->i_adj_oldvalue )
 492                     {
 493                         /* Update the value */
 494                         p_intf->p_sys->p_adj->value =
 495                         p_intf->p_sys->i_adj_oldvalue =
 496                             ( 100 * i_time ) / i_length;
 497                         g_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 498                                                  "value_changed" );
 499                     }
 500                     /* Otherwise, send message to the input if the user has
 501                      * finished dragging the slider */
 502                     else if( p_intf->p_sys->b_slider_free )
 503                     {
 504                         double f_pos = (double)newvalue / 100.0;
 505
 506                         /* release the lock to be able to seek */
 507                         vlc_object_unlock( p_input );
 508                         var_SetFloat( p_input, "position", f_pos );
 509                         vlc_object_lock( p_input );
 510
 511                         /* Update the old value */
 512                         p_intf->p_sys->i_adj_oldvalue = newvalue;
 513                     }
 514                 }
 515             }
 516         }
 517         vlc_object_unlock( p_input );
 518     }
 519     else if( p_intf->p_sys->b_playing && !intf_ShouldDie( p_intf ) )
 520     {
 521         GtkModeManage( p_intf );
 522         p_intf->p_sys->b_playing = 0;
 523     }
 524
 525 #ifndef NEED_GTK2_MAIN
 526     if( intf_ShouldDie( p_intf ) )
 527     {
 528         vlc_mutex_unlock( &p_intf->change_lock );
 529
 530         /* Prepare to die, young Skywalker */
 531         gtk_main_quit();
 532
 533         return FALSE;
 534     }
 535 #endif
 536
 537     vlc_mutex_unlock( &p_intf->change_lock );
 538
 539     return TRUE;
 540 }
 541
 542 /*****************************************************************************
 543  * GtkDisplayDate: display stream date
 544  *****************************************************************************
 545  * This function displays the current date related to the position in
 546  * the stream. It is called whenever the slider changes its value.
 547  * The lock has to be taken before you call the function.
 548  *****************************************************************************/
 549 void GtkDisplayDate( GtkAdjustment *p_adj, gpointer userdata )
 550 {
 551     (void)p_adj;
 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" ) / INT64_C(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 GtkModeManage( intf_thread_t * p_intf )
 579 {
 580     GtkWidget *     p_slider = NULL;
 581     bool      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 }