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 1.16 2003/12/04 10:25:47 gbazin 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     playlist_t        *p_playlist;
 149     GtkCellRenderer   *p_renderer = NULL;
 150     GtkTreeViewColumn *p_column   = NULL;
 151     GtkListStore      *p_filelist = NULL;
 152     GtkListStore      *p_playlist_store = NULL;
 153
 154 #ifndef NEED_GTK2_MAIN
 155     gtk_set_locale ();
 156     msg_Dbg( p_intf, "Starting pda GTK2+ interface" );
 157     gtk_init( &i_args, &pp_args );
 158 #else
 159     /* Initialize Gtk+ */
 160     msg_Dbg( p_intf, "Starting pda GTK2+ interface thread" );
 161     gdk_threads_enter();
 162 #endif
 163
 164     /* Create some useful widgets that will certainly be used */
 165 /* FIXME: magic path */
 166     add_pixmap_directory("share");
 167     add_pixmap_directory("/usr/share/vlc");
 168
 169     /* Path for pixmaps under linupy 1.4 */
 170     add_pixmap_directory("/usr/local/share/pixmaps/vlc");
 171     /* Path for pixmaps under linupy 2.0 */
 172     add_pixmap_directory("/usr/share/pixmaps/vlc");
 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 = GTK_HSCALE( gtk_object_get_data(
 194         GTK_OBJECT( p_intf->p_sys->p_window ), "timeSlider" ) );
 195     p_intf->p_sys->p_slider_label = GTK_LABEL( gtk_object_get_data(
 196         GTK_OBJECT( p_intf->p_sys->p_window ), "timeLabel" ) );
 197
 198     if (p_intf->p_sys->p_slider == NULL)
 199         msg_Err( p_intf, "Time slider widget not found." );
 200     if (p_intf->p_sys->p_slider_label == NULL)
 201         msg_Err( p_intf, "Time label widget not found." );
 202
 203 #if 0
 204     /* Connect the date display to the slider */
 205     msg_Dbg( p_intf, "setting slider adjustment ... " );
 206 #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 207                          GTK_OBJECT( p_intf->p_sys->p_window ), "timeSlider" ) )
 208     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 209     if (p_intf->p_sys->p_adj == NULL)
 210         msg_Err( p_intf, "Adjustment range not found." );
 211     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 212                          GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
 213     p_intf->p_sys->f_adj_oldvalue = 0;
 214     p_intf->p_sys->i_adj_oldvalue = 0;
 215 #undef P_SLIDER
 216     msg_Dbg( p_intf, "setting slider adjustment ... done" );
 217 #endif
 218
 219     /* BEGIN OF FILEVIEW GTK_TREE_VIEW */
 220     p_intf->p_sys->p_tvfile = NULL;
 221     p_intf->p_sys->p_tvfile = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 222                                                              "tvFileList");
 223     if (NULL == p_intf->p_sys->p_tvfile)
 224        msg_Err(p_intf, "Error obtaining pointer to File List");
 225
 226     /* Insert columns 0 */
 227     p_renderer = gtk_cell_renderer_text_new ();
 228     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 0, _("Filename"), p_renderer, NULL);
 229     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 0 );
 230     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
 231     gtk_tree_view_column_set_sort_column_id(p_column, 0);
 232     /* Insert columns 1 */
 233     p_renderer = gtk_cell_renderer_text_new ();
 234     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 1, _("Permissions"), p_renderer, NULL);
 235     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 1 );
 236     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
 237     gtk_tree_view_column_set_sort_column_id(p_column, 1);
 238     /* Insert columns 2 */
 239     p_renderer = gtk_cell_renderer_text_new ();
 240     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 2, _("Size"), p_renderer, NULL);
 241     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 2 );
 242     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
 243     gtk_tree_view_column_set_sort_column_id(p_column, 2);
 244     /* Insert columns 3 */
 245     p_renderer = gtk_cell_renderer_text_new ();
 246     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 3, _("Owner"), p_renderer, NULL);
 247     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 3 );
 248     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 3 );
 249     gtk_tree_view_column_set_sort_column_id(p_column, 3);
 250     /* Insert columns 4 */
 251     p_renderer = gtk_cell_renderer_text_new ();
 252     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 4, _("Group"), p_renderer, NULL);
 253     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 4 );
 254     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 4 );
 255     gtk_tree_view_column_set_sort_column_id(p_column, 4);
 256
 257     /* Get new directory listing */
 258     p_filelist = gtk_list_store_new (5,
 259                 G_TYPE_STRING, /* Filename */
 260                 G_TYPE_STRING, /* permissions */
 261                 G_TYPE_UINT64, /* File size */
 262                 G_TYPE_STRING, /* Owner */
 263                 G_TYPE_STRING);/* Group */
 264     ReadDirectory(p_intf, p_filelist, ".");
 265     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile), GTK_TREE_MODEL(p_filelist));
 266     g_object_unref(p_filelist);     /* Model will be released by GtkTreeView */
 267     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile)),GTK_SELECTION_MULTIPLE);
 268
 269     /* Column properties */
 270     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvfile, TRUE);
 271     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvfile);
 272     gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile),TRUE);
 273     /* END OF FILEVIEW GTK_TREE_VIEW */
 274
 275     /* BEGIN OF PLAYLIST GTK_TREE_VIEW */
 276     p_intf->p_sys->p_tvplaylist = NULL;
 277     p_intf->p_sys->p_tvplaylist = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window, "tvPlaylist");
 278     if (NULL == p_intf->p_sys->p_tvplaylist)
 279        msg_Err(p_intf, "Error obtaining pointer to Play List");
 280
 281     /* Columns 1 */
 282     p_renderer = gtk_cell_renderer_text_new ();
 283     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 0, _("Filename"), p_renderer, NULL);
 284     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 0 );
 285     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
 286     gtk_tree_view_column_set_sort_column_id(p_column, 0);
 287     /* Column 2 */
 288     p_renderer = gtk_cell_renderer_text_new ();
 289     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 1, _("Time"), p_renderer, NULL);
 290     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 1 );
 291     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
 292     gtk_tree_view_column_set_sort_column_id(p_column, 1);
 293 #if 0
 294     /* Column 3 - is a hidden column used for reliable deleting items from the underlying playlist */
 295     p_renderer = gtk_cell_renderer_text_new ();
 296     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 2, _("Index"), p_renderer, NULL);
 297     p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 2 );
 298     gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
 299     gtk_tree_view_column_set_sort_column_id(p_column, 2);
 300 #endif
 301     /* update the playlist */
 302     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 303     p_playlist_store = gtk_list_store_new (3,
 304                 G_TYPE_STRING, /* Filename */
 305                 G_TYPE_STRING, /* Time */
 306                 G_TYPE_UINT);  /* Hidden index */
 307     PlaylistRebuildListStore(p_playlist_store, p_playlist);
 308     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist), GTK_TREE_MODEL(p_playlist_store));
 309     g_object_unref(p_playlist_store);
 310     vlc_object_release(p_playlist); /* Free the playlist */
 311     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist)),GTK_SELECTION_MULTIPLE);
 312
 313     /* Column properties */
 314     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
 315     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
 316     gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
 317     /* END OF PLAYLIST GTK_TREE_VIEW */
 318
 319     /* Show the control window */
 320     gtk_widget_show( p_intf->p_sys->p_window );
 321
 322 #ifdef NEED_GTK2_MAIN
 323     msg_Dbg( p_intf, "Manage GTK keyboard events using threads" );
 324     while( !p_intf->b_die )
 325     {
 326         Manage( p_intf );
 327
 328         /* Sleep to avoid using all CPU - since some interfaces need to
 329          * access keyboard events, a 100ms delay is a good compromise */
 330         gdk_threads_leave();
 331         if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 332             msleep( INTF_IDLE_SLEEP );
 333         else
 334             msleep( 1000 );
 335         gdk_threads_enter();
 336     }
 337 #else
 338     msg_Dbg( p_intf, "Manage GTK keyboard events using timeouts" );
 339     /* Sleep to avoid using all CPU - since some interfaces needs to access
 340      * keyboard events, a 1000ms delay is a good compromise */
 341     if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 342         i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage, p_intf );
 343     else
 344         i_dummy = gtk_timeout_add( 1000, (GtkFunction)Manage, p_intf );
 345
 346     /* Enter Gtk mode */
 347     gtk_main();
 348     /* Remove the timeout */
 349     gtk_timeout_remove( i_dummy );
 350 #endif
 351
 352     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 353 #ifdef NEED_GTK2_MAIN
 354     gdk_threads_leave();
 355 #endif
 356 }
 357
 358 /*****************************************************************************
 359  * GtkAutoplayFile: Autoplay file depending on configuration settings
 360  *****************************************************************************/
 361 void GtkAutoPlayFile( vlc_object_t *p_this )
 362 {
 363     GtkWidget *cbautoplay;
 364     intf_thread_t *p_intf;
 365     int i_index;
 366     vlc_list_t *p_list = vlc_list_find( p_this, VLC_OBJECT_INTF,
 367                                         FIND_ANYWHERE );
 368
 369     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 370     {
 371         p_intf = (intf_thread_t *)p_list->p_values[i_index].p_object ;
 372
 373         if( strcmp( MODULE_STRING, p_intf->p_module->psz_object_name ) )
 374         {
 375             continue;
 376         }
 377         cbautoplay = GTK_WIDGET( gtk_object_get_data(
 378                             GTK_OBJECT( p_intf->p_sys->p_window ),
 379                             "cbautoplay" ) );
 380
 381         if( !config_GetInt( p_this, "pda-autoplayfile" ) )
 382         {
 383             p_intf->p_sys->b_autoplayfile = VLC_FALSE;
 384         }
 385         else
 386         {
 387             p_intf->p_sys->b_autoplayfile = VLC_TRUE;
 388         }
 389         gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( cbautoplay ),
 390                                       p_intf->p_sys->b_autoplayfile );
 391     }
 392     vlc_list_release( p_list );
 393 }
 394
 395 /* following functions are local */
 396
 397 /*****************************************************************************
 398  * Manage: manage main thread messages
 399  *****************************************************************************
 400  * In this function, called approx. 10 times a second, we check what the
 401  * main program wanted to tell us.
 402  *****************************************************************************/
 403 static int Manage( intf_thread_t *p_intf )
 404 {
 405     GtkListStore *p_liststore;
 406     vlc_mutex_lock( &p_intf->change_lock );
 407
 408     /* Update the input */
 409     if( p_intf->p_sys->p_input == NULL )
 410     {
 411         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 412                                                           FIND_ANYWHERE );
 413     }
 414     else if( p_intf->p_sys->p_input->b_dead )
 415     {
 416         vlc_object_release( p_intf->p_sys->p_input );
 417         p_intf->p_sys->p_input = NULL;
 418     }
 419
 420     if( p_intf->p_sys->p_input )
 421     {
 422         input_thread_t *p_input = p_intf->p_sys->p_input;
 423
 424         vlc_mutex_lock( &p_input->stream.stream_lock );
 425         if( !p_input->b_die )
 426         {
 427             /* New input or stream map change */
 428             if( p_input->stream.b_changed )
 429             {
 430                 playlist_t *p_playlist;
 431
 432                 E_(GtkModeManage)( p_intf );
 433                 p_intf->p_sys->b_playing = 1;
 434
 435                 /* update playlist interface */
 436                 p_playlist = (playlist_t *) vlc_object_find(
 437                         p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 438                 if (p_playlist != NULL)
 439                 {
 440                     p_liststore = gtk_list_store_new (3,
 441                                                G_TYPE_STRING,
 442                                                G_TYPE_STRING,
 443                                                G_TYPE_UINT);  /* Hidden index */
 444                     PlaylistRebuildListStore(p_liststore, p_playlist);
 445                     gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
 446                     g_object_unref(p_liststore);
 447                     vlc_object_release( p_playlist );
 448                 }
 449             }
 450
 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 #ifdef WIN32
 564     if( p_intf->p_sys->p_input )
 565     {
 566 #define p_area p_intf->p_sys->p_input->stream.p_selected_area
 567         char psz_time[ MSTRTIME_MAX_SIZE ];
 568
 569         gtk_label_set_text( GTK_LABEL( p_intf->p_sys->p_slider_label ),
 570                         input_OffsetToTime( p_intf->p_sys->p_input, psz_time,
 571                                    ( p_area->i_size * p_adj->value ) / 100 ) );
 572 #undef p_area
 573      }
 574 #endif
 575 }
 576
 577 /*****************************************************************************
 578  * GtkModeManage: actualize the aspect of the interface whenever the input
 579  *                changes.
 580  *****************************************************************************
 581  * The lock has to be taken before you call the function.
 582  *****************************************************************************/
 583 gint E_(GtkModeManage)( intf_thread_t * p_intf )
 584 {
 585     GtkWidget *     p_slider;
 586     vlc_bool_t      b_control;
 587
 588 #define GETWIDGET( ptr, name ) GTK_WIDGET( gtk_object_get_data( GTK_OBJECT( \
 589                            p_intf->p_sys->ptr ) , ( name ) ) )
 590     /* hide slider */
 591     p_slider = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 592                            p_intf->p_sys->p_window ), "slider" ) );
 593     gtk_widget_hide( GTK_WIDGET( p_slider ) );
 594
 595     /* controls unavailable */
 596     b_control = 0;
 597
 598     /* show the box related to current input mode */
 599     if( p_intf->p_sys->p_input )
 600     {
 601         /* initialize and show slider for seekable streams */
 602         if( p_intf->p_sys->p_input->stream.b_seekable )
 603         {
 604             msg_Dbg( p_intf, "Updating slider widget" );
 605             if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 606                 p_intf->p_sys->p_adj->value = p_intf->p_sys->f_adj_oldvalue = 0;
 607             else
 608                 p_intf->p_sys->p_adj->value = p_intf->p_sys->i_adj_oldvalue = 0;
 609             gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 610                                      "value_changed" );
 611             gtk_widget_show( GTK_WIDGET( p_slider ) );
 612         }
 613
 614         /* control buttons for free pace streams */
 615         b_control = p_intf->p_sys->p_input->stream.b_pace_control;
 616
 617         p_intf->p_sys->p_input->stream.b_changed = 0;
 618         msg_Dbg( p_intf, "stream has changed, refreshing interface" );
 619     }
 620
 621     /* set control items */
 622     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbRewind"), b_control );
 623     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbPause"), b_control );
 624     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbForward"), b_control );
 625
 626 #undef GETWIDGET
 627     return TRUE;
 628 }
 629