git.sesse.net Git - vlc/blob - modules/gui/pda/pda.c

   1 /*****************************************************************************
   2  * pda.c : PDA Gtk2 plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002 VideoLAN
   5  * $Id: pda.c,v 1.6 2003/11/07 07:59:00 jpsaman Exp $
   6  *
   7  * Authors: Jean-Paul Saman <jpsaman@wxs.nl>
   8  *          Marc Ariberti <marcari@videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29 #include <errno.h>                                                 /* ENOMEM */
  30 #include <string.h>                                            /* strerror() */
  31 #include <stdio.h>
  32
  33 #include <vlc/vlc.h>
  34 #include <vlc/intf.h>
  35
  36 #include <gtk/gtk.h>
  37
  38 #include "pda_callbacks.h"
  39 #include "pda_interface.h"
  40 #include "pda_support.h"
  41 #include "pda.h"
  42
  43 /*****************************************************************************
  44  * Local prototypes.
  45  *****************************************************************************/
  46 static int  Open         ( vlc_object_t * );
  47 static void Close        ( vlc_object_t * );
  48 static void Run          ( intf_thread_t * );
  49
  50 void GtkAutoPlayFile     ( vlc_object_t * );
  51 static int Manage        ( intf_thread_t *p_intf );
  52 void E_(GtkDisplayDate)  ( GtkAdjustment *p_adj );
  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     add_category_hint( N_("Miscellaneous"), NULL, VLC_TRUE );
  67 //    add_bool( "pda-autoplayfile", 1, GtkAutoPlayFile, AUTOPLAYFILE_TEXT, AUTOPLAYFILE_LONGTEXT, VLC_TRUE );
  68     set_description( _("PDA Linux Gtk2+ interface") );
  69     set_capability( "interface", 70 );
  70     set_callbacks( Open, Close );
  71     add_shortcut( "pda" );
  72 vlc_module_end();
  73
  74 /*****************************************************************************
  75  * Open: initialize and create window
  76  *****************************************************************************/
  77 static int Open( vlc_object_t *p_this )
  78 {
  79     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  80
  81     /* Allocate instance and initialize some members */
  82     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
  83     if( p_intf->p_sys == NULL )
  84     {
  85         msg_Err( p_intf, "out of memory" );
  86         return VLC_ENOMEM;
  87     }
  88
  89 #ifdef NEED_GTK2_MAIN
  90     msg_Dbg( p_intf, "Using gui-helper" );
  91     p_intf->p_sys->p_gtk_main = module_Need( p_this, "gui-helper", "gtk2" );
  92     if( p_intf->p_sys->p_gtk_main == NULL )
  93     {
  94         free( p_intf->p_sys );
  95         return VLC_ENOMOD;
  96     }
  97 #endif
  98
  99     /* Initialize Gtk+ thread */
 100     p_intf->p_sys->p_input = NULL;
 101
 102     p_intf->p_sys->b_autoplayfile = 1;
 103     p_intf->p_sys->b_playing = 0;
 104     p_intf->p_sys->b_slider_free = 1;
 105
 106     p_intf->pf_run = Run;
 107
 108     return VLC_SUCCESS;
 109 }
 110
 111 /*****************************************************************************
 112  * Close: destroy interface window
 113  *****************************************************************************/
 114 static void Close( vlc_object_t *p_this )
 115 {
 116     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 117
 118     if( p_intf->p_sys->p_input )
 119     {
 120         vlc_object_release( p_intf->p_sys->p_input );
 121     }
 122
 123 #ifdef NEED_GTK2_MAIN
 124     msg_Dbg( p_intf, "Releasing gui-helper" );
 125     module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
 126 #endif
 127
 128     /* Destroy structure */
 129     free( p_intf->p_sys );
 130 }
 131
 132 /*****************************************************************************
 133  * Run: Gtk+ thread
 134  *****************************************************************************
 135  * this part of the interface is in a separate thread so that we can call
 136  * gtk_main() from within it without annoying the rest of the program.
 137  *****************************************************************************/
 138 static void Run( intf_thread_t *p_intf )
 139 {
 140 #ifndef NEED_GTK2_MAIN
 141     /* gtk_init needs to know the command line. We don't care, so we
 142      * give it an empty one */
 143     char  *p_args[] = { "", NULL };
 144     char **pp_args  = p_args;
 145     int    i_args   = 1;
 146     int    i_dummy;
 147 #endif
 148     GtkCellRenderer   *renderer = NULL;
 149     GtkTreeViewColumn *column   = NULL;
 150
 151     gtk_set_locale ();
 152 #ifndef NEED_GTK2_MAIN
 153     msg_Dbg( p_intf, "Starting pda GTK2+ interface" );
 154     gtk_init( &i_args, &pp_args );
 155 #else
 156     /* Initialize Gtk+ */
 157     msg_Dbg( p_intf, "Starting pda GTK+ interface thread" );
 158     gdk_threads_enter();
 159 #endif
 160
 161     /* Create some useful widgets that will certainly be used */
 162 // FIXME: magic path
 163     add_pixmap_directory("share");
 164     add_pixmap_directory("/usr/share/vlc");
 165
 166     /* Path for pixmaps under linupy 1.4 */
 167     add_pixmap_directory("/usr/local/share/pixmaps/vlc");
 168
 169     /* Path for pixmaps under linupy 2.0 */
 170     add_pixmap_directory("/usr/share/pixmaps/vlc");
 171
 172     p_intf->p_sys->p_window = create_pda();
 173     if (p_intf->p_sys->p_window == NULL)
 174     {
 175         msg_Err( p_intf, "unable to create pda interface" );
 176     }
 177
 178 #if 0
 179     msg_Dbg( p_intf, "setting main window size ... " );
 180     gtk_widget_set_usize(p_intf->p_sys->p_window,
 181                          gdk_screen_width() , gdk_screen_height() - 30 );
 182     msg_Dbg( p_intf, "setting main window size ... done" );
 183 #endif
 184
 185     /* Set the title of the main window */
 186     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 187                           VOUT_TITLE " (PDA Linux interface)");
 188
 189     /* Get the notebook object */
 190     p_intf->p_sys->p_notebook = GTK_NOTEBOOK( gtk_object_get_data(
 191         GTK_OBJECT( p_intf->p_sys->p_window ), "notebook" ) );
 192     p_intf->p_sys->p_mediabook = GTK_NOTEBOOK( gtk_object_get_data(
 193         GTK_OBJECT( p_intf->p_sys->p_window ), "mediabook" ) );
 194
 195     /* Get the slider object */
 196     p_intf->p_sys->p_slider = GTK_HSCALE( gtk_object_get_data(
 197         GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) );
 198     p_intf->p_sys->p_slider_label = GTK_LABEL( gtk_object_get_data(
 199         GTK_OBJECT( p_intf->p_sys->p_window ), "slider_label" ) );
 200
 201 #if 0
 202     /* Connect the date display to the slider */
 203     msg_Dbg( p_intf, "setting slider adjustment ... " );
 204 #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 205                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 206     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 207
 208     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 209                          GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
 210     p_intf->p_sys->f_adj_oldvalue = 0;
 211     p_intf->p_sys->i_adj_oldvalue = 0;
 212 #undef P_SLIDER
 213     msg_Dbg( p_intf, "setting slider adjustment ... done" );
 214 #endif
 215
 216     /* BEGIN OF FILEVIEW GTK_TREE_VIEW */
 217     msg_Dbg(p_intf, "Getting GtkTreeView FileList" );
 218     p_intf->p_sys->p_tvfile = NULL;
 219     p_intf->p_sys->p_tvfile = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 220                                                              "tvFileList");
 221     if (NULL == p_intf->p_sys->p_tvfile)
 222        msg_Err(p_intf, "Error obtaining pointer to File List");
 223
 224     /* Insert columns 0 */
 225     renderer = gtk_cell_renderer_text_new ();
 226     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 0, _("Filename"), renderer, NULL);
 227     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 0 );
 228     gtk_tree_view_column_add_attribute(column, renderer, "text", 0 );
 229     /* Insert columns 1 */
 230     renderer = gtk_cell_renderer_text_new ();
 231     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 1, _("Permissions"), renderer, NULL);
 232     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 1 );
 233     gtk_tree_view_column_add_attribute(column, renderer, "text", 1 );
 234     /* Insert columns 2 */
 235     renderer = gtk_cell_renderer_text_new ();
 236     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 2, _("Size"), renderer, NULL);
 237     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 2 );
 238     gtk_tree_view_column_add_attribute(column, renderer, "text", 2 );
 239     /* Insert columns 3 */
 240     renderer = gtk_cell_renderer_text_new ();
 241     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 3, _("Owner"), renderer, NULL);
 242     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 3 );
 243     gtk_tree_view_column_add_attribute(column, renderer, "text", 3 );
 244     /* Insert columns 4 */
 245     renderer = gtk_cell_renderer_text_new ();
 246     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 4, _("Group"), renderer, NULL);
 247     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 4 );
 248     gtk_tree_view_column_add_attribute(column, renderer, "text", 4 );
 249
 250     /* Get new directory listing */
 251     msg_Dbg(p_intf, "Populating GtkTreeView FileList" );
 252     p_intf->p_sys->p_filelist = gtk_list_store_new (5,
 253                                G_TYPE_STRING, /* Filename */
 254                                G_TYPE_STRING, /* permissions */
 255                                G_TYPE_UINT64, /* File size */
 256                                G_TYPE_STRING, /* Owner */
 257                                G_TYPE_STRING);/* Group */
 258     ReadDirectory(p_intf, p_intf->p_sys->p_filelist, ".");
 259     msg_Dbg(p_intf, "Showing GtkTreeView FileList" );
 260     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile), GTK_TREE_MODEL(p_intf->p_sys->p_filelist));
 261     g_object_unref(p_intf->p_sys->p_filelist);     /* Model will be released by GtkTreeView */
 262     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile)),GTK_SELECTION_MULTIPLE);
 263
 264     /* Column properties */
 265     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvfile, TRUE);
 266     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvfile);
 267     gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile),TRUE);
 268     /* END OF FILEVIEW GTK_TREE_VIEW */
 269
 270     /* BEGIN OF PLAYLIST GTK_TREE_VIEW */
 271     msg_Dbg(p_intf, "Getting GtkTreeView PlayList" );
 272     p_intf->p_sys->p_tvplaylist = NULL;
 273     p_intf->p_sys->p_tvplaylist = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 274                                                              "tvPlaylist");
 275     if (NULL == p_intf->p_sys->p_tvplaylist)
 276        msg_Err(p_intf, "Error obtaining pointer to Play List");
 277
 278     /* Columns 1 */
 279     renderer = gtk_cell_renderer_text_new ();
 280     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 0, _("Filename"), renderer, NULL);
 281     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 0 );
 282     gtk_tree_view_column_add_attribute(column, renderer, "text", 0 );
 283     /* Column 2 */
 284     renderer = gtk_cell_renderer_text_new ();
 285     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 1, _("Time"), renderer, NULL);
 286     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 1 );
 287     gtk_tree_view_column_add_attribute(column, renderer, "text", 1 );
 288
 289     /* update the playlist */
 290     msg_Dbg(p_intf, "Populating GtkTreeView Playlist" );
 291     p_intf->p_sys->p_playlist = gtk_list_store_new (2,
 292                                G_TYPE_STRING, /* Filename */
 293                                G_TYPE_STRING);/* Time */
 294     PlaylistRebuildListStore( p_intf->p_sys->p_playlist, vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE ));
 295     msg_Dbg(p_intf, "Showing GtkTreeView Playlist" );
 296     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist), GTK_TREE_MODEL(p_intf->p_sys->p_playlist));
 297     g_object_unref(p_intf->p_sys->p_playlist);
 298     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist)),GTK_SELECTION_MULTIPLE);
 299
 300     /* Column properties */
 301     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
 302     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
 303     gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
 304     /* END OF PLAYLIST GTK_TREE_VIEW */
 305
 306     /* Save MRL entry object */
 307     p_intf->p_sys->p_mrlentry = GTK_ENTRY( gtk_object_get_data(
 308         GTK_OBJECT( p_intf->p_sys->p_window ), "mrl_entry" ) );
 309
 310 #if 0
 311     /* Store p_intf to keep an eye on it */
 312     msg_Dbg( p_intf, "trying to store p_intf pointer ... " );
 313     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 314                          "p_intf", p_intf );
 315     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
 316                          "p_intf", p_intf );
 317     msg_Dbg( p_intf, "trying to store p_intf pointer ... done" );
 318 #endif
 319
 320     /* Show the control window */
 321     gtk_widget_show( p_intf->p_sys->p_window );
 322
 323 #ifdef NEED_GTK2_MAIN
 324     msg_Dbg( p_intf, "Manage GTK keyboard events using threads" );
 325     while( !p_intf->b_die )
 326     {
 327         Manage( p_intf );
 328
 329         /* Sleep to avoid using all CPU - since some interfaces need to
 330          * access keyboard events, a 100ms delay is a good compromise */
 331         gdk_threads_leave();
 332         if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 333             msleep( INTF_IDLE_SLEEP );
 334         else
 335             msleep( 1000 );
 336         gdk_threads_enter();
 337     }
 338 #else
 339     msg_Dbg( p_intf, "Manage GTK keyboard events using timeouts" );
 340     /* Sleep to avoid using all CPU - since some interfaces needs to access
 341      * keyboard events, a 1000ms delay is a good compromise */
 342     if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 343         i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage, p_intf );
 344     else
 345         i_dummy = gtk_timeout_add( 1000, (GtkFunction)Manage, p_intf );
 346
 347     /* Enter Gtk mode */
 348     gtk_main();
 349     /* Remove the timeout */
 350     gtk_timeout_remove( i_dummy );
 351 #endif
 352
 353     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 354 #ifdef NEED_GTK2_MAIN
 355     gdk_threads_leave();
 356 #endif
 357 }
 358
 359 /*****************************************************************************
 360  * GtkAutoplayFile: Autoplay file depending on configuration settings
 361  *****************************************************************************/
 362 void GtkAutoPlayFile( vlc_object_t *p_this )
 363 {
 364     GtkWidget *cbautoplay;
 365     intf_thread_t *p_intf;
 366     int i_index;
 367     vlc_list_t *p_list = vlc_list_find( p_this, VLC_OBJECT_INTF,
 368                                         FIND_ANYWHERE );
 369
 370     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 371     {
 372         p_intf = (intf_thread_t *)p_list->p_values[i_index].p_object ;
 373
 374         if( strcmp( MODULE_STRING, p_intf->p_module->psz_object_name ) )
 375         {
 376             continue;
 377         }
 378         cbautoplay = GTK_WIDGET( gtk_object_get_data(
 379                             GTK_OBJECT( p_intf->p_sys->p_window ),
 380                             "cbautoplay" ) );
 381
 382         if( !config_GetInt( p_this, "pda-autoplayfile" ) )
 383         {
 384             p_intf->p_sys->b_autoplayfile = VLC_FALSE;
 385         }
 386         else
 387         {
 388             p_intf->p_sys->b_autoplayfile = VLC_TRUE;
 389         }
 390         gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( cbautoplay ),
 391                                       p_intf->p_sys->b_autoplayfile );
 392     }
 393     vlc_list_release( p_list );
 394 }
 395
 396 /* following functions are local */
 397
 398 /*****************************************************************************
 399  * Manage: manage main thread messages
 400  *****************************************************************************
 401  * In this function, called approx. 10 times a second, we check what the
 402  * main program wanted to tell us.
 403  *****************************************************************************/
 404 static int Manage( intf_thread_t *p_intf )
 405 {
 406     GtkListStore *p_liststore;
 407     vlc_mutex_lock( &p_intf->change_lock );
 408
 409     /* Update the input */
 410     if( p_intf->p_sys->p_input == NULL )
 411     {
 412         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 413                                                           FIND_ANYWHERE );
 414     }
 415     else if( p_intf->p_sys->p_input->b_dead )
 416     {
 417         vlc_object_release( p_intf->p_sys->p_input );
 418         p_intf->p_sys->p_input = NULL;
 419     }
 420
 421     if( p_intf->p_sys->p_input )
 422     {
 423         input_thread_t *p_input = p_intf->p_sys->p_input;
 424
 425         vlc_mutex_lock( &p_input->stream.stream_lock );
 426         if( !p_input->b_die )
 427         {
 428             /* New input or stream map change */
 429             if( p_input->stream.b_changed )
 430             {
 431                 playlist_t *p_playlist;
 432
 433                 E_(GtkModeManage)( p_intf );
 434                 p_intf->p_sys->b_playing = 1;
 435
 436                 /* update playlist interface */
 437                 p_playlist = (playlist_t *) vlc_object_find(
 438                         p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 439                 if (p_playlist != NULL)
 440                 {
 441                     msg_Dbg(p_intf, "Manage: Populating GtkTreeView Playlist" );
 442                     p_liststore = gtk_list_store_new (2,
 443                                                G_TYPE_STRING,
 444                                                G_TYPE_STRING);
 445                     PlaylistRebuildListStore(p_liststore, p_playlist);
 446                     msg_Dbg(p_intf, "Manage: Updating GtkTreeView Playlist" );
 447                     gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
 448                 }
 449             }
 450
 451             /* Manage the slider */
 452             if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 453             {
 454                 /* Manage the slider for CPU_CAPABILITY_FPU hardware */
 455                 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 456                 {
 457                     float newvalue = p_intf->p_sys->p_adj->value;
 458
 459 #define p_area p_input->stream.p_selected_area
 460                     /* If the user hasn't touched the slider since the last time,
 461                      * then the input can safely change it */
 462                     if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 463                     {
 464                         /* Update the value */
 465                         p_intf->p_sys->p_adj->value =
 466                         p_intf->p_sys->f_adj_oldvalue =
 467                             ( 100. * p_area->i_tell ) / p_area->i_size;
 468                         gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 469                                                  "value_changed" );
 470                     }
 471                     /* Otherwise, send message to the input if the user has
 472                      * finished dragging the slider */
 473                     else if( p_intf->p_sys->b_slider_free )
 474                     {
 475                         off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 476
 477                         /* release the lock to be able to seek */
 478                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 479                         input_Seek( p_input, i_seek, INPUT_SEEK_SET );
 480                         vlc_mutex_lock( &p_input->stream.stream_lock );
 481
 482                         /* Update the old value */
 483                         p_intf->p_sys->f_adj_oldvalue = newvalue;
 484                     }
 485 #undef p_area
 486                 }
 487             }
 488             else
 489             {
 490                 /* Manage the slider without CPU_CAPABILITY_FPU hardware */
 491                 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 492                 {
 493                     off_t newvalue = p_intf->p_sys->p_adj->value;
 494
 495 #define p_area p_input->stream.p_selected_area
 496                     /* If the user hasn't touched the slider since the last time,
 497                      * then the input can safely change it */
 498                     if( newvalue == p_intf->p_sys->i_adj_oldvalue )
 499                     {
 500                         /* Update the value */
 501                         p_intf->p_sys->p_adj->value =
 502                         p_intf->p_sys->i_adj_oldvalue =
 503                             ( 100 * p_area->i_tell ) / p_area->i_size;
 504                         gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 505                                                  "value_changed" );
 506                     }
 507                     /* Otherwise, send message to the input if the user has
 508                      * finished dragging the slider */
 509                     else if( p_intf->p_sys->b_slider_free )
 510                     {
 511                         off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 512
 513                         /* release the lock to be able to seek */
 514                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 515                         input_Seek( p_input, i_seek, INPUT_SEEK_SET );
 516                         vlc_mutex_lock( &p_input->stream.stream_lock );
 517
 518                         /* Update the old value */
 519                         p_intf->p_sys->i_adj_oldvalue = newvalue;
 520                     }
 521 #undef p_area
 522                 }
 523             }
 524         }
 525         vlc_mutex_unlock( &p_input->stream.stream_lock );
 526     }
 527     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 528     {
 529         E_(GtkModeManage)( p_intf );
 530         p_intf->p_sys->b_playing = 0;
 531     }
 532
 533 #ifndef NEED_GTK2_MAIN
 534     if( p_intf->b_die )
 535     {
 536         vlc_mutex_unlock( &p_intf->change_lock );
 537
 538         /* Prepare to die, young Skywalker */
 539         gtk_main_quit();
 540
 541         return FALSE;
 542     }
 543 #endif
 544
 545     vlc_mutex_unlock( &p_intf->change_lock );
 546
 547     return TRUE;
 548 }
 549
 550 /*****************************************************************************
 551  * GtkDisplayDate: display stream date
 552  *****************************************************************************
 553  * This function displays the current date related to the position in
 554  * the stream. It is called whenever the slider changes its value.
 555  * The lock has to be taken before you call the function.
 556  *****************************************************************************/
 557 void E_(GtkDisplayDate)( GtkAdjustment *p_adj )
 558 {
 559     intf_thread_t *p_intf;
 560
 561     p_intf = gtk_object_get_data( GTK_OBJECT( p_adj ), "p_intf" );
 562
 563     if( p_intf->p_sys->p_input )
 564     {
 565 #define p_area p_intf->p_sys->p_input->stream.p_selected_area
 566         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
 567
 568         gtk_label_set_text( GTK_LABEL( p_intf->p_sys->p_slider_label ),
 569                         input_OffsetToTime( p_intf->p_sys->p_input, psz_time,
 570                                    ( p_area->i_size * p_adj->value ) / 100 ) );
 571 #undef p_area
 572      }
 573 }
 574
 575 /*****************************************************************************
 576  * GtkModeManage: actualize the aspect of the interface whenever the input
 577  *                changes.
 578  *****************************************************************************
 579  * The lock has to be taken before you call the function.
 580  *****************************************************************************/
 581 gint E_(GtkModeManage)( intf_thread_t * p_intf )
 582 {
 583     GtkWidget *     p_slider;
 584     vlc_bool_t      b_control;
 585
 586 #define GETWIDGET( ptr, name ) GTK_WIDGET( gtk_object_get_data( GTK_OBJECT( \
 587                            p_intf->p_sys->ptr ) , ( name ) ) )
 588     /* hide slider */
 589     p_slider = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 590                            p_intf->p_sys->p_window ), "slider" ) );
 591     gtk_widget_hide( GTK_WIDGET( p_slider ) );
 592
 593     /* controls unavailable */
 594     b_control = 0;
 595
 596     /* show the box related to current input mode */
 597     if( p_intf->p_sys->p_input )
 598     {
 599         /* initialize and show slider for seekable streams */
 600         if( p_intf->p_sys->p_input->stream.b_seekable )
 601         {
 602             if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 603                 p_intf->p_sys->p_adj->value = p_intf->p_sys->f_adj_oldvalue = 0;
 604             else
 605                 p_intf->p_sys->p_adj->value = p_intf->p_sys->i_adj_oldvalue = 0;
 606             gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 607                                      "value_changed" );
 608             gtk_widget_show( GTK_WIDGET( p_slider ) );
 609         }
 610
 611         /* control buttons for free pace streams */
 612         b_control = p_intf->p_sys->p_input->stream.b_pace_control;
 613
 614         p_intf->p_sys->p_input->stream.b_changed = 0;
 615         msg_Dbg( p_intf, "stream has changed, refreshing interface" );
 616     }
 617
 618     /* set control items */
 619     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbRewind"), b_control );
 620     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbPause"), b_control );
 621     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbForward"), b_control );
 622
 623 #undef GETWIDGET
 624     return TRUE;
 625 }
 626