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 1.13 2003/11/30 11:22:29 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     GtkListStore      *filelist = NULL;
 151     GtkListStore      *playlist = NULL;
 152
 153 #ifndef NEED_GTK2_MAIN
 154     gtk_set_locale ();
 155     msg_Dbg( p_intf, "Starting pda GTK2+ interface" );
 156     gtk_init( &i_args, &pp_args );
 157 #else
 158     /* Initialize Gtk+ */
 159     msg_Dbg( p_intf, "Starting pda GTK2+ interface thread" );
 160     gdk_threads_enter();
 161 #endif
 162
 163     /* Create some useful widgets that will certainly be used */
 164 /* FIXME: magic path */
 165     add_pixmap_directory("share");
 166     add_pixmap_directory("/usr/share/vlc");
 167
 168     /* Path for pixmaps under linupy 1.4 */
 169     add_pixmap_directory("/usr/local/share/pixmaps/vlc");
 170     /* Path for pixmaps under linupy 2.0 */
 171     add_pixmap_directory("/usr/share/pixmaps/vlc");
 172
 173     p_intf->p_sys->p_window = create_pda();
 174     if (p_intf->p_sys->p_window == NULL)
 175     {
 176         msg_Err( p_intf, "unable to create pda interface" );
 177     }
 178
 179     /* Store p_intf to keep an eye on it */
 180     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 181                          "p_intf", p_intf );
 182
 183     /* Set the title of the main window */
 184     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 185                           VOUT_TITLE " (PDA Linux interface)");
 186
 187     /* Get the notebook object */
 188     p_intf->p_sys->p_notebook = GTK_NOTEBOOK( gtk_object_get_data(
 189         GTK_OBJECT( p_intf->p_sys->p_window ), "notebook" ) );
 190
 191     /* Get the slider object */
 192     p_intf->p_sys->p_slider = GTK_HSCALE( gtk_object_get_data(
 193         GTK_OBJECT( p_intf->p_sys->p_window ), "timeSlider" ) );
 194     p_intf->p_sys->p_slider_label = GTK_LABEL( gtk_object_get_data(
 195         GTK_OBJECT( p_intf->p_sys->p_window ), "timeLabel" ) );
 196
 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 #if 0
 203     /* Connect the date display to the slider */
 204     msg_Dbg( p_intf, "setting slider adjustment ... " );
 205 #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 206                          GTK_OBJECT( p_intf->p_sys->p_window ), "timeSlider" ) )
 207     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 208     if (p_intf->p_sys->p_adj == NULL)
 209         msg_Err( p_intf, "Adjustment range not found." );
 210     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 211                          GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
 212     p_intf->p_sys->f_adj_oldvalue = 0;
 213     p_intf->p_sys->i_adj_oldvalue = 0;
 214 #undef P_SLIDER
 215     msg_Dbg( p_intf, "setting slider adjustment ... done" );
 216 #endif
 217
 218     /* BEGIN OF FILEVIEW GTK_TREE_VIEW */
 219     p_intf->p_sys->p_tvfile = NULL;
 220     p_intf->p_sys->p_tvfile = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 221                                                              "tvFileList");
 222     if (NULL == p_intf->p_sys->p_tvfile)
 223        msg_Err(p_intf, "Error obtaining pointer to File List");
 224
 225     /* Insert columns 0 */
 226     renderer = gtk_cell_renderer_text_new ();
 227     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 0, _("Filename"), renderer, NULL);
 228     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 0 );
 229     gtk_tree_view_column_add_attribute(column, renderer, "text", 0 );
 230     gtk_tree_view_column_set_sort_column_id(column, 0);
 231     /* Insert columns 1 */
 232     renderer = gtk_cell_renderer_text_new ();
 233     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 1, _("Permissions"), renderer, NULL);
 234     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 1 );
 235     gtk_tree_view_column_add_attribute(column, renderer, "text", 1 );
 236     gtk_tree_view_column_set_sort_column_id(column, 1);
 237     /* Insert columns 2 */
 238     renderer = gtk_cell_renderer_text_new ();
 239     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 2, _("Size"), renderer, NULL);
 240     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 2 );
 241     gtk_tree_view_column_add_attribute(column, renderer, "text", 2 );
 242     gtk_tree_view_column_set_sort_column_id(column, 2);
 243     /* Insert columns 3 */
 244     renderer = gtk_cell_renderer_text_new ();
 245     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 3, _("Owner"), renderer, NULL);
 246     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 3 );
 247     gtk_tree_view_column_add_attribute(column, renderer, "text", 3 );
 248     gtk_tree_view_column_set_sort_column_id(column, 3);
 249     /* Insert columns 4 */
 250     renderer = gtk_cell_renderer_text_new ();
 251     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 4, _("Group"), renderer, NULL);
 252     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 4 );
 253     gtk_tree_view_column_add_attribute(column, renderer, "text", 4 );
 254     gtk_tree_view_column_set_sort_column_id(column, 4);
 255
 256     /* Get new directory listing */
 257     filelist = gtk_list_store_new (5,
 258                 G_TYPE_STRING, /* Filename */
 259                 G_TYPE_STRING, /* permissions */
 260                 G_TYPE_UINT64, /* File size */
 261                 G_TYPE_STRING, /* Owner */
 262                 G_TYPE_STRING);/* Group */
 263     ReadDirectory(p_intf, filelist, ".");
 264     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile), GTK_TREE_MODEL(filelist));
 265     g_object_unref(filelist);     /* Model will be released by GtkTreeView */
 266     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile)),GTK_SELECTION_MULTIPLE);
 267
 268     /* Column properties */
 269     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvfile, TRUE);
 270     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvfile);
 271     gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile),TRUE);
 272     /* END OF FILEVIEW GTK_TREE_VIEW */
 273
 274     /* BEGIN OF PLAYLIST GTK_TREE_VIEW */
 275     p_intf->p_sys->p_tvplaylist = NULL;
 276     p_intf->p_sys->p_tvplaylist = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window, "tvPlaylist");
 277     if (NULL == p_intf->p_sys->p_tvplaylist)
 278        msg_Err(p_intf, "Error obtaining pointer to Play List");
 279
 280     /* Columns 1 */
 281     renderer = gtk_cell_renderer_text_new ();
 282     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 0, _("Filename"), renderer, NULL);
 283     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 0 );
 284     gtk_tree_view_column_add_attribute(column, renderer, "text", 0 );
 285     gtk_tree_view_column_set_sort_column_id(column, 0);
 286     /* Column 2 */
 287     renderer = gtk_cell_renderer_text_new ();
 288     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 1, _("Time"), renderer, NULL);
 289     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 1 );
 290     gtk_tree_view_column_add_attribute(column, renderer, "text", 1 );
 291     gtk_tree_view_column_set_sort_column_id(column, 1);
 292 #if 0
 293     /* Column 3 - is a hidden column used for reliable deleting items from the underlying playlist */
 294     renderer = gtk_cell_renderer_text_new ();
 295     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 2, _("Index"), renderer, NULL);
 296     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 2 );
 297     gtk_tree_view_column_add_attribute(column, renderer, "text", 2 );
 298     gtk_tree_view_column_set_sort_column_id(column, 2);
 299 #endif
 300     /* update the playlist */
 301     playlist = gtk_list_store_new (3,
 302                 G_TYPE_STRING, /* Filename */
 303                 G_TYPE_STRING, /* Time */
 304                 G_TYPE_UINT);  /* Hidden index */
 305     PlaylistRebuildListStore( playlist, vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE ));
 306     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist), GTK_TREE_MODEL(playlist));
 307     g_object_unref(playlist);
 308     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist)),GTK_SELECTION_MULTIPLE);
 309
 310     /* Column properties */
 311     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
 312     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
 313     gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
 314     /* END OF PLAYLIST GTK_TREE_VIEW */
 315
 316     /* Show the control window */
 317     gtk_widget_show( p_intf->p_sys->p_window );
 318
 319 #ifdef NEED_GTK2_MAIN
 320     msg_Dbg( p_intf, "Manage GTK keyboard events using threads" );
 321     while( !p_intf->b_die )
 322     {
 323         Manage( p_intf );
 324
 325         /* Sleep to avoid using all CPU - since some interfaces need to
 326          * access keyboard events, a 100ms delay is a good compromise */
 327         gdk_threads_leave();
 328         if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 329             msleep( INTF_IDLE_SLEEP );
 330         else
 331             msleep( 1000 );
 332         gdk_threads_enter();
 333     }
 334 #else
 335     msg_Dbg( p_intf, "Manage GTK keyboard events using timeouts" );
 336     /* Sleep to avoid using all CPU - since some interfaces needs to access
 337      * keyboard events, a 1000ms delay is a good compromise */
 338     if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 339         i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage, p_intf );
 340     else
 341         i_dummy = gtk_timeout_add( 1000, (GtkFunction)Manage, p_intf );
 342
 343     /* Enter Gtk mode */
 344     gtk_main();
 345     /* Remove the timeout */
 346     gtk_timeout_remove( i_dummy );
 347 #endif
 348
 349     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 350 #ifdef NEED_GTK2_MAIN
 351     gdk_threads_leave();
 352 #endif
 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, p_intf->p_module->psz_object_name ) )
 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 = VLC_FALSE;
 381         }
 382         else
 383         {
 384             p_intf->p_sys->b_autoplayfile = VLC_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
 421         vlc_mutex_lock( &p_input->stream.stream_lock );
 422         if( !p_input->b_die )
 423         {
 424             /* New input or stream map change */
 425             if( p_input->stream.b_changed )
 426             {
 427                 playlist_t *p_playlist;
 428
 429                 E_(GtkModeManage)( p_intf );
 430                 p_intf->p_sys->b_playing = 1;
 431
 432                 /* update playlist interface */
 433                 p_playlist = (playlist_t *) vlc_object_find(
 434                         p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 435                 if (p_playlist != NULL)
 436                 {
 437                     p_liststore = gtk_list_store_new (3,
 438                                                G_TYPE_STRING,
 439                                                G_TYPE_STRING,
 440                                                G_TYPE_UINT);  /* Hidden index */
 441                     PlaylistRebuildListStore(p_liststore, p_playlist);
 442                     gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
 443                     g_object_unref(p_liststore);
 444                     vlc_object_release( p_playlist );
 445                 }
 446             }
 447
 448             /* Manage the slider */
 449             if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 450             {
 451                 /* Manage the slider for CPU_CAPABILITY_FPU hardware */
 452                 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 453                 {
 454                     float newvalue = p_intf->p_sys->p_adj->value;
 455
 456 #define p_area p_input->stream.p_selected_area
 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. * p_area->i_tell ) / p_area->i_size;
 465                         gtk_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                         off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 473
 474                         /* release the lock to be able to seek */
 475                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 476                         input_Seek( p_input, i_seek, INPUT_SEEK_SET );
 477                         vlc_mutex_lock( &p_input->stream.stream_lock );
 478
 479                         /* Update the old value */
 480                         p_intf->p_sys->f_adj_oldvalue = newvalue;
 481                     }
 482 #undef p_area
 483                 }
 484             }
 485             else
 486             {
 487                 /* Manage the slider without CPU_CAPABILITY_FPU hardware */
 488                 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 489                 {
 490                     off_t newvalue = p_intf->p_sys->p_adj->value;
 491
 492 #define p_area p_input->stream.p_selected_area
 493                     /* If the user hasn't touched the slider since the last time,
 494                      * then the input can safely change it */
 495                     if( newvalue == p_intf->p_sys->i_adj_oldvalue )
 496                     {
 497                         /* Update the value */
 498                         p_intf->p_sys->p_adj->value =
 499                         p_intf->p_sys->i_adj_oldvalue =
 500                             ( 100 * p_area->i_tell ) / p_area->i_size;
 501                         gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 502                                                  "value_changed" );
 503                     }
 504                     /* Otherwise, send message to the input if the user has
 505                      * finished dragging the slider */
 506                     else if( p_intf->p_sys->b_slider_free )
 507                     {
 508                         off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 509
 510                         /* release the lock to be able to seek */
 511                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 512                         input_Seek( p_input, i_seek, INPUT_SEEK_SET );
 513                         vlc_mutex_lock( &p_input->stream.stream_lock );
 514
 515                         /* Update the old value */
 516                         p_intf->p_sys->i_adj_oldvalue = newvalue;
 517                     }
 518 #undef p_area
 519                 }
 520             }
 521         }
 522         vlc_mutex_unlock( &p_input->stream.stream_lock );
 523     }
 524     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 525     {
 526         E_(GtkModeManage)( p_intf );
 527         p_intf->p_sys->b_playing = 0;
 528     }
 529
 530 #ifndef NEED_GTK2_MAIN
 531     if( p_intf->b_die )
 532     {
 533         vlc_mutex_unlock( &p_intf->change_lock );
 534
 535         /* Prepare to die, young Skywalker */
 536         gtk_main_quit();
 537
 538         return FALSE;
 539     }
 540 #endif
 541
 542     vlc_mutex_unlock( &p_intf->change_lock );
 543
 544     return TRUE;
 545 }
 546
 547 /*****************************************************************************
 548  * GtkDisplayDate: display stream date
 549  *****************************************************************************
 550  * This function displays the current date related to the position in
 551  * the stream. It is called whenever the slider changes its value.
 552  * The lock has to be taken before you call the function.
 553  *****************************************************************************/
 554 void E_(GtkDisplayDate)( GtkAdjustment *p_adj )
 555 {
 556     intf_thread_t *p_intf;
 557
 558     p_intf = gtk_object_get_data( GTK_OBJECT( p_adj ), "p_intf" );
 559
 560     if( p_intf->p_sys->p_input )
 561     {
 562 #define p_area p_intf->p_sys->p_input->stream.p_selected_area
 563         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
 564
 565         gtk_label_set_text( GTK_LABEL( p_intf->p_sys->p_slider_label ),
 566                         input_OffsetToTime( p_intf->p_sys->p_input, psz_time,
 567                                    ( p_area->i_size * p_adj->value ) / 100 ) );
 568 #undef p_area
 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;
 581     vlc_bool_t      b_control;
 582
 583 #define GETWIDGET( ptr, name ) GTK_WIDGET( gtk_object_get_data( GTK_OBJECT( \
 584                            p_intf->p_sys->ptr ) , ( name ) ) )
 585     /* hide slider */
 586     p_slider = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 587                            p_intf->p_sys->p_window ), "slider" ) );
 588     gtk_widget_hide( GTK_WIDGET( p_slider ) );
 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         if( p_intf->p_sys->p_input->stream.b_seekable )
 598         {
 599             msg_Dbg( p_intf, "Updating slider widget" );
 600             if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 601                 p_intf->p_sys->p_adj->value = p_intf->p_sys->f_adj_oldvalue = 0;
 602             else
 603                 p_intf->p_sys->p_adj->value = p_intf->p_sys->i_adj_oldvalue = 0;
 604             gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 605                                      "value_changed" );
 606             gtk_widget_show( GTK_WIDGET( p_slider ) );
 607         }
 608
 609         /* control buttons for free pace streams */
 610         b_control = p_intf->p_sys->p_input->stream.b_pace_control;
 611
 612         p_intf->p_sys->p_input->stream.b_changed = 0;
 613         msg_Dbg( p_intf, "stream has changed, refreshing interface" );
 614     }
 615
 616     /* set control items */
 617     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbRewind"), b_control );
 618     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbPause"), b_control );
 619     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbForward"), b_control );
 620
 621 #undef GETWIDGET
 622     return TRUE;
 623 }
 624