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 1.12 2003/11/30 10:26:19 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
 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     msg_Dbg( p_intf, "trying to store p_intf pointer ... " );
 182     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 183                          "p_intf", p_intf );
 184     msg_Dbg( p_intf, "trying to store p_intf pointer ... done" );
 185
 186     /* Set the title of the main window */
 187     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 188                           VOUT_TITLE " (PDA Linux interface)");
 189
 190     /* Get the notebook object */
 191     p_intf->p_sys->p_notebook = GTK_NOTEBOOK( gtk_object_get_data(
 192         GTK_OBJECT( p_intf->p_sys->p_window ), "notebook" ) );
 193
 194     /* Get the slider object */
 195     p_intf->p_sys->p_slider = GTK_HSCALE( gtk_object_get_data(
 196         GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) );
 197     p_intf->p_sys->p_slider_label = GTK_LABEL( gtk_object_get_data(
 198         GTK_OBJECT( p_intf->p_sys->p_window ), "slider_label" ) );
 199
 200 #if 0
 201     /* Connect the date display to the slider */
 202     msg_Dbg( p_intf, "setting slider adjustment ... " );
 203 #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 204                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 205     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 206
 207     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 208                          GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
 209     p_intf->p_sys->f_adj_oldvalue = 0;
 210     p_intf->p_sys->i_adj_oldvalue = 0;
 211 #undef P_SLIDER
 212     msg_Dbg( p_intf, "setting slider adjustment ... done" );
 213 #endif
 214
 215     /* BEGIN OF FILEVIEW GTK_TREE_VIEW */
 216     msg_Dbg(p_intf, "Getting GtkTreeView FileList" );
 217     p_intf->p_sys->p_tvfile = NULL;
 218     p_intf->p_sys->p_tvfile = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 219                                                              "tvFileList");
 220     if (NULL == p_intf->p_sys->p_tvfile)
 221        msg_Err(p_intf, "Error obtaining pointer to File List");
 222
 223     /* Insert columns 0 */
 224     renderer = gtk_cell_renderer_text_new ();
 225     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 0, _("Filename"), renderer, NULL);
 226     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 0 );
 227     gtk_tree_view_column_add_attribute(column, renderer, "text", 0 );
 228     gtk_tree_view_column_set_sort_column_id(column, 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     gtk_tree_view_column_set_sort_column_id(column, 1);
 235     /* Insert columns 2 */
 236     renderer = gtk_cell_renderer_text_new ();
 237     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 2, _("Size"), renderer, NULL);
 238     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 2 );
 239     gtk_tree_view_column_add_attribute(column, renderer, "text", 2 );
 240     gtk_tree_view_column_set_sort_column_id(column, 2);
 241     /* Insert columns 3 */
 242     renderer = gtk_cell_renderer_text_new ();
 243     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 3, _("Owner"), renderer, NULL);
 244     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 3 );
 245     gtk_tree_view_column_add_attribute(column, renderer, "text", 3 );
 246     gtk_tree_view_column_set_sort_column_id(column, 3);
 247     /* Insert columns 4 */
 248     renderer = gtk_cell_renderer_text_new ();
 249     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 4, _("Group"), renderer, NULL);
 250     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 4 );
 251     gtk_tree_view_column_add_attribute(column, renderer, "text", 4 );
 252     gtk_tree_view_column_set_sort_column_id(column, 4);
 253
 254     /* Get new directory listing */
 255     msg_Dbg(p_intf, "Populating GtkTreeView FileList" );
 256     filelist = gtk_list_store_new (5,
 257                 G_TYPE_STRING, /* Filename */
 258                 G_TYPE_STRING, /* permissions */
 259                 G_TYPE_UINT64, /* File size */
 260                 G_TYPE_STRING, /* Owner */
 261                 G_TYPE_STRING);/* Group */
 262     ReadDirectory(p_intf, filelist, ".");
 263     msg_Dbg(p_intf, "Showing GtkTreeView 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     msg_Dbg(p_intf, "Getting GtkTreeView PlayList" );
 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     renderer = gtk_cell_renderer_text_new ();
 283     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 0, _("Filename"), renderer, NULL);
 284     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 0 );
 285     gtk_tree_view_column_add_attribute(column, renderer, "text", 0 );
 286     gtk_tree_view_column_set_sort_column_id(column, 0);
 287     /* Column 2 */
 288     renderer = gtk_cell_renderer_text_new ();
 289     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 1, _("Time"), renderer, NULL);
 290     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 1 );
 291     gtk_tree_view_column_add_attribute(column, renderer, "text", 1 );
 292     gtk_tree_view_column_set_sort_column_id(column, 1);
 293     /* Column 3 */
 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
 300     /* update the playlist */
 301     msg_Dbg(p_intf, "Populating GtkTreeView Playlist" );
 302     playlist = gtk_list_store_new (3,
 303                 G_TYPE_STRING, /* Filename */
 304                 G_TYPE_STRING, /* Time */
 305                 G_TYPE_UINT);  /* Hidden index */
 306     PlaylistRebuildListStore( playlist, vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE ));
 307     msg_Dbg(p_intf, "Showing GtkTreeView Playlist" );
 308     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist), GTK_TREE_MODEL(playlist));
 309     g_object_unref(playlist);
 310     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist)),GTK_SELECTION_MULTIPLE);
 311
 312     /* Column properties */
 313     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
 314     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
 315     gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
 316     /* END OF PLAYLIST GTK_TREE_VIEW */
 317
 318     /* Show the control window */
 319     gtk_widget_show( p_intf->p_sys->p_window );
 320
 321 #ifdef NEED_GTK2_MAIN
 322     msg_Dbg( p_intf, "Manage GTK keyboard events using threads" );
 323     while( !p_intf->b_die )
 324     {
 325         Manage( p_intf );
 326
 327         /* Sleep to avoid using all CPU - since some interfaces need to
 328          * access keyboard events, a 100ms delay is a good compromise */
 329         gdk_threads_leave();
 330         if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 331             msleep( INTF_IDLE_SLEEP );
 332         else
 333             msleep( 1000 );
 334         gdk_threads_enter();
 335     }
 336 #else
 337     msg_Dbg( p_intf, "Manage GTK keyboard events using timeouts" );
 338     /* Sleep to avoid using all CPU - since some interfaces needs to access
 339      * keyboard events, a 1000ms delay is a good compromise */
 340     if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 341         i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage, p_intf );
 342     else
 343         i_dummy = gtk_timeout_add( 1000, (GtkFunction)Manage, p_intf );
 344
 345     /* Enter Gtk mode */
 346     gtk_main();
 347     /* Remove the timeout */
 348     gtk_timeout_remove( i_dummy );
 349 #endif
 350
 351     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 352 #ifdef NEED_GTK2_MAIN
 353     gdk_threads_leave();
 354 #endif
 355 }
 356
 357 /*****************************************************************************
 358  * GtkAutoplayFile: Autoplay file depending on configuration settings
 359  *****************************************************************************/
 360 void GtkAutoPlayFile( vlc_object_t *p_this )
 361 {
 362     GtkWidget *cbautoplay;
 363     intf_thread_t *p_intf;
 364     int i_index;
 365     vlc_list_t *p_list = vlc_list_find( p_this, VLC_OBJECT_INTF,
 366                                         FIND_ANYWHERE );
 367
 368     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 369     {
 370         p_intf = (intf_thread_t *)p_list->p_values[i_index].p_object ;
 371
 372         if( strcmp( MODULE_STRING, p_intf->p_module->psz_object_name ) )
 373         {
 374             continue;
 375         }
 376         cbautoplay = GTK_WIDGET( gtk_object_get_data(
 377                             GTK_OBJECT( p_intf->p_sys->p_window ),
 378                             "cbautoplay" ) );
 379
 380         if( !config_GetInt( p_this, "pda-autoplayfile" ) )
 381         {
 382             p_intf->p_sys->b_autoplayfile = VLC_FALSE;
 383         }
 384         else
 385         {
 386             p_intf->p_sys->b_autoplayfile = VLC_TRUE;
 387         }
 388         gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( cbautoplay ),
 389                                       p_intf->p_sys->b_autoplayfile );
 390     }
 391     vlc_list_release( p_list );
 392 }
 393
 394 /* following functions are local */
 395
 396 /*****************************************************************************
 397  * Manage: manage main thread messages
 398  *****************************************************************************
 399  * In this function, called approx. 10 times a second, we check what the
 400  * main program wanted to tell us.
 401  *****************************************************************************/
 402 static int Manage( intf_thread_t *p_intf )
 403 {
 404     GtkListStore *p_liststore;
 405     vlc_mutex_lock( &p_intf->change_lock );
 406
 407     /* Update the input */
 408     if( p_intf->p_sys->p_input == NULL )
 409     {
 410         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 411                                                           FIND_ANYWHERE );
 412     }
 413     else if( p_intf->p_sys->p_input->b_dead )
 414     {
 415         vlc_object_release( p_intf->p_sys->p_input );
 416         p_intf->p_sys->p_input = NULL;
 417     }
 418
 419     if( p_intf->p_sys->p_input )
 420     {
 421         input_thread_t *p_input = p_intf->p_sys->p_input;
 422
 423         vlc_mutex_lock( &p_input->stream.stream_lock );
 424         if( !p_input->b_die )
 425         {
 426             /* New input or stream map change */
 427             if( p_input->stream.b_changed )
 428             {
 429                 playlist_t *p_playlist;
 430
 431                 E_(GtkModeManage)( p_intf );
 432                 p_intf->p_sys->b_playing = 1;
 433
 434                 /* update playlist interface */
 435                 p_playlist = (playlist_t *) vlc_object_find(
 436                         p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 437                 if (p_playlist != NULL)
 438                 {
 439                     msg_Dbg(p_intf, "Manage: Populating GtkTreeView Playlist" );
 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                     msg_Dbg(p_intf, "Manage: Updating GtkTreeView Playlist" );
 446                     gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
 447                     g_object_unref(p_liststore);
 448                     vlc_object_release( p_playlist );
 449                 }
 450             }
 451
 452             /* Manage the slider */
 453             if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 454             {
 455                 /* Manage the slider for CPU_CAPABILITY_FPU hardware */
 456                 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 457                 {
 458                     float newvalue = p_intf->p_sys->p_adj->value;
 459
 460 #define p_area p_input->stream.p_selected_area
 461                     /* If the user hasn't touched the slider since the last time,
 462                      * then the input can safely change it */
 463                     if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 464                     {
 465                         /* Update the value */
 466                         p_intf->p_sys->p_adj->value =
 467                         p_intf->p_sys->f_adj_oldvalue =
 468                             ( 100. * p_area->i_tell ) / p_area->i_size;
 469                         gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 470                                                  "value_changed" );
 471                     }
 472                     /* Otherwise, send message to the input if the user has
 473                      * finished dragging the slider */
 474                     else if( p_intf->p_sys->b_slider_free )
 475                     {
 476                         off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 477
 478                         /* release the lock to be able to seek */
 479                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 480                         input_Seek( p_input, i_seek, INPUT_SEEK_SET );
 481                         vlc_mutex_lock( &p_input->stream.stream_lock );
 482
 483                         /* Update the old value */
 484                         p_intf->p_sys->f_adj_oldvalue = newvalue;
 485                     }
 486 #undef p_area
 487                 }
 488             }
 489             else
 490             {
 491                 /* Manage the slider without CPU_CAPABILITY_FPU hardware */
 492                 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 493                 {
 494                     off_t newvalue = p_intf->p_sys->p_adj->value;
 495
 496 #define p_area p_input->stream.p_selected_area
 497                     /* If the user hasn't touched the slider since the last time,
 498                      * then the input can safely change it */
 499                     if( newvalue == p_intf->p_sys->i_adj_oldvalue )
 500                     {
 501                         /* Update the value */
 502                         p_intf->p_sys->p_adj->value =
 503                         p_intf->p_sys->i_adj_oldvalue =
 504                             ( 100 * p_area->i_tell ) / p_area->i_size;
 505                         gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 506                                                  "value_changed" );
 507                     }
 508                     /* Otherwise, send message to the input if the user has
 509                      * finished dragging the slider */
 510                     else if( p_intf->p_sys->b_slider_free )
 511                     {
 512                         off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 513
 514                         /* release the lock to be able to seek */
 515                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 516                         input_Seek( p_input, i_seek, INPUT_SEEK_SET );
 517                         vlc_mutex_lock( &p_input->stream.stream_lock );
 518
 519                         /* Update the old value */
 520                         p_intf->p_sys->i_adj_oldvalue = newvalue;
 521                     }
 522 #undef p_area
 523                 }
 524             }
 525         }
 526         vlc_mutex_unlock( &p_input->stream.stream_lock );
 527     }
 528     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 529     {
 530         E_(GtkModeManage)( p_intf );
 531         p_intf->p_sys->b_playing = 0;
 532     }
 533
 534 #ifndef NEED_GTK2_MAIN
 535     if( p_intf->b_die )
 536     {
 537         vlc_mutex_unlock( &p_intf->change_lock );
 538
 539         /* Prepare to die, young Skywalker */
 540         gtk_main_quit();
 541
 542         return FALSE;
 543     }
 544 #endif
 545
 546     vlc_mutex_unlock( &p_intf->change_lock );
 547
 548     return TRUE;
 549 }
 550
 551 /*****************************************************************************
 552  * GtkDisplayDate: display stream date
 553  *****************************************************************************
 554  * This function displays the current date related to the position in
 555  * the stream. It is called whenever the slider changes its value.
 556  * The lock has to be taken before you call the function.
 557  *****************************************************************************/
 558 void E_(GtkDisplayDate)( GtkAdjustment *p_adj )
 559 {
 560     intf_thread_t *p_intf;
 561
 562     p_intf = gtk_object_get_data( GTK_OBJECT( p_adj ), "p_intf" );
 563
 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[ OFFSETTOTIME_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 }
 575
 576 /*****************************************************************************
 577  * GtkModeManage: actualize the aspect of the interface whenever the input
 578  *                changes.
 579  *****************************************************************************
 580  * The lock has to be taken before you call the function.
 581  *****************************************************************************/
 582 gint E_(GtkModeManage)( intf_thread_t * p_intf )
 583 {
 584     GtkWidget *     p_slider;
 585     vlc_bool_t      b_control;
 586
 587 #define GETWIDGET( ptr, name ) GTK_WIDGET( gtk_object_get_data( GTK_OBJECT( \
 588                            p_intf->p_sys->ptr ) , ( name ) ) )
 589     /* hide slider */
 590     p_slider = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 591                            p_intf->p_sys->p_window ), "slider" ) );
 592     gtk_widget_hide( GTK_WIDGET( p_slider ) );
 593
 594     /* controls unavailable */
 595     b_control = 0;
 596
 597     /* show the box related to current input mode */
 598     if( p_intf->p_sys->p_input )
 599     {
 600         /* initialize and show slider for seekable streams */
 601         if( p_intf->p_sys->p_input->stream.b_seekable )
 602         {
 603             if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 604                 p_intf->p_sys->p_adj->value = p_intf->p_sys->f_adj_oldvalue = 0;
 605             else
 606                 p_intf->p_sys->p_adj->value = p_intf->p_sys->i_adj_oldvalue = 0;
 607             gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 608                                      "value_changed" );
 609             gtk_widget_show( GTK_WIDGET( p_slider ) );
 610         }
 611
 612         /* control buttons for free pace streams */
 613         b_control = p_intf->p_sys->p_input->stream.b_pace_control;
 614
 615         p_intf->p_sys->p_input->stream.b_changed = 0;
 616         msg_Dbg( p_intf, "stream has changed, refreshing interface" );
 617     }
 618
 619     /* set control items */
 620     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbRewind"), b_control );
 621     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbPause"), b_control );
 622     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbForward"), b_control );
 623
 624 #undef GETWIDGET
 625     return TRUE;
 626 }
 627