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 1.7 2003/11/07 09:24:58 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     /* Set the title of the main window */
 179     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 180                           VOUT_TITLE " (PDA Linux interface)");
 181
 182     /* Get the notebook object */
 183     p_intf->p_sys->p_notebook = GTK_NOTEBOOK( gtk_object_get_data(
 184         GTK_OBJECT( p_intf->p_sys->p_window ), "notebook" ) );
 185     p_intf->p_sys->p_mediabook = GTK_NOTEBOOK( gtk_object_get_data(
 186         GTK_OBJECT( p_intf->p_sys->p_window ), "mediabook" ) );
 187
 188     /* Get the slider object */
 189     p_intf->p_sys->p_slider = GTK_HSCALE( gtk_object_get_data(
 190         GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) );
 191     p_intf->p_sys->p_slider_label = GTK_LABEL( gtk_object_get_data(
 192         GTK_OBJECT( p_intf->p_sys->p_window ), "slider_label" ) );
 193
 194 #if 0
 195     /* Connect the date display to the slider */
 196     msg_Dbg( p_intf, "setting slider adjustment ... " );
 197 #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 198                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 199     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 200
 201     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 202                          GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
 203     p_intf->p_sys->f_adj_oldvalue = 0;
 204     p_intf->p_sys->i_adj_oldvalue = 0;
 205 #undef P_SLIDER
 206     msg_Dbg( p_intf, "setting slider adjustment ... done" );
 207 #endif
 208
 209     /* BEGIN OF FILEVIEW GTK_TREE_VIEW */
 210     msg_Dbg(p_intf, "Getting GtkTreeView FileList" );
 211     p_intf->p_sys->p_tvfile = NULL;
 212     p_intf->p_sys->p_tvfile = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 213                                                              "tvFileList");
 214     if (NULL == p_intf->p_sys->p_tvfile)
 215        msg_Err(p_intf, "Error obtaining pointer to File List");
 216
 217     /* Insert columns 0 */
 218     renderer = gtk_cell_renderer_text_new ();
 219     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 0, _("Filename"), renderer, NULL);
 220     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 0 );
 221     gtk_tree_view_column_add_attribute(column, renderer, "text", 0 );
 222     gtk_tree_view_column_set_sort_column_id(column, 0);
 223     /* Insert columns 1 */
 224     renderer = gtk_cell_renderer_text_new ();
 225     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 1, _("Permissions"), renderer, NULL);
 226     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 1 );
 227     gtk_tree_view_column_add_attribute(column, renderer, "text", 1 );
 228     gtk_tree_view_column_set_sort_column_id(column, 1);
 229     /* Insert columns 2 */
 230     renderer = gtk_cell_renderer_text_new ();
 231     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 2, _("Size"), renderer, NULL);
 232     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 2 );
 233     gtk_tree_view_column_add_attribute(column, renderer, "text", 2 );
 234     gtk_tree_view_column_set_sort_column_id(column, 2);
 235     /* Insert columns 3 */
 236     renderer = gtk_cell_renderer_text_new ();
 237     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 3, _("Owner"), renderer, NULL);
 238     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 3 );
 239     gtk_tree_view_column_add_attribute(column, renderer, "text", 3 );
 240     gtk_tree_view_column_set_sort_column_id(column, 3);
 241     /* Insert columns 4 */
 242     renderer = gtk_cell_renderer_text_new ();
 243     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 4, _("Group"), renderer, NULL);
 244     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 4 );
 245     gtk_tree_view_column_add_attribute(column, renderer, "text", 4 );
 246     gtk_tree_view_column_set_sort_column_id(column, 4);
 247
 248     /* Get new directory listing */
 249     msg_Dbg(p_intf, "Populating GtkTreeView FileList" );
 250     p_intf->p_sys->p_filelist = gtk_list_store_new (5,
 251                                G_TYPE_STRING, /* Filename */
 252                                G_TYPE_STRING, /* permissions */
 253                                G_TYPE_UINT64, /* File size */
 254                                G_TYPE_STRING, /* Owner */
 255                                G_TYPE_STRING);/* Group */
 256     ReadDirectory(p_intf, p_intf->p_sys->p_filelist, ".");
 257     msg_Dbg(p_intf, "Showing GtkTreeView FileList" );
 258     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile), GTK_TREE_MODEL(p_intf->p_sys->p_filelist));
 259     g_object_unref(p_intf->p_sys->p_filelist);     /* Model will be released by GtkTreeView */
 260     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile)),GTK_SELECTION_MULTIPLE);
 261
 262     /* Column properties */
 263     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvfile, TRUE);
 264     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvfile);
 265     gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile),TRUE);
 266     /* END OF FILEVIEW GTK_TREE_VIEW */
 267
 268     /* BEGIN OF PLAYLIST GTK_TREE_VIEW */
 269     msg_Dbg(p_intf, "Getting GtkTreeView PlayList" );
 270     p_intf->p_sys->p_tvplaylist = NULL;
 271     p_intf->p_sys->p_tvplaylist = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 272                                                              "tvPlaylist");
 273     if (NULL == p_intf->p_sys->p_tvplaylist)
 274        msg_Err(p_intf, "Error obtaining pointer to Play List");
 275
 276     /* Columns 1 */
 277     renderer = gtk_cell_renderer_text_new ();
 278     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 0, _("Filename"), renderer, NULL);
 279     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 0 );
 280     gtk_tree_view_column_add_attribute(column, renderer, "text", 0 );
 281     /* Column 2 */
 282     renderer = gtk_cell_renderer_text_new ();
 283     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 1, _("Time"), renderer, NULL);
 284     column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 1 );
 285     gtk_tree_view_column_add_attribute(column, renderer, "text", 1 );
 286
 287     /* update the playlist */
 288     msg_Dbg(p_intf, "Populating GtkTreeView Playlist" );
 289     p_intf->p_sys->p_playlist = gtk_list_store_new (2,
 290                                G_TYPE_STRING, /* Filename */
 291                                G_TYPE_STRING);/* Time */
 292     PlaylistRebuildListStore( p_intf->p_sys->p_playlist, vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE ));
 293     msg_Dbg(p_intf, "Showing GtkTreeView Playlist" );
 294     gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist), GTK_TREE_MODEL(p_intf->p_sys->p_playlist));
 295     g_object_unref(p_intf->p_sys->p_playlist);
 296     gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist)),GTK_SELECTION_MULTIPLE);
 297
 298     /* Column properties */
 299     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
 300     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
 301     gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
 302     /* END OF PLAYLIST GTK_TREE_VIEW */
 303
 304     /* Save MRL entry object */
 305     p_intf->p_sys->p_mrlentry = GTK_ENTRY( gtk_object_get_data(
 306         GTK_OBJECT( p_intf->p_sys->p_window ), "mrl_entry" ) );
 307
 308 #if 0
 309     /* Store p_intf to keep an eye on it */
 310     msg_Dbg( p_intf, "trying to store p_intf pointer ... " );
 311     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 312                          "p_intf", p_intf );
 313     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
 314                          "p_intf", p_intf );
 315     msg_Dbg( p_intf, "trying to store p_intf pointer ... done" );
 316 #endif
 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 (2,
 441                                                G_TYPE_STRING,
 442                                                G_TYPE_STRING);
 443                     PlaylistRebuildListStore(p_liststore, p_playlist);
 444                     msg_Dbg(p_intf, "Manage: Updating GtkTreeView Playlist" );
 445                     gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
 446                 }
 447             }
 448
 449             /* Manage the slider */
 450             if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 451             {
 452                 /* Manage the slider for CPU_CAPABILITY_FPU hardware */
 453                 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 454                 {
 455                     float newvalue = p_intf->p_sys->p_adj->value;
 456
 457 #define p_area p_input->stream.p_selected_area
 458                     /* If the user hasn't touched the slider since the last time,
 459                      * then the input can safely change it */
 460                     if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 461                     {
 462                         /* Update the value */
 463                         p_intf->p_sys->p_adj->value =
 464                         p_intf->p_sys->f_adj_oldvalue =
 465                             ( 100. * p_area->i_tell ) / p_area->i_size;
 466                         gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 467                                                  "value_changed" );
 468                     }
 469                     /* Otherwise, send message to the input if the user has
 470                      * finished dragging the slider */
 471                     else if( p_intf->p_sys->b_slider_free )
 472                     {
 473                         off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 474
 475                         /* release the lock to be able to seek */
 476                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 477                         input_Seek( p_input, i_seek, INPUT_SEEK_SET );
 478                         vlc_mutex_lock( &p_input->stream.stream_lock );
 479
 480                         /* Update the old value */
 481                         p_intf->p_sys->f_adj_oldvalue = newvalue;
 482                     }
 483 #undef p_area
 484                 }
 485             }
 486             else
 487             {
 488                 /* Manage the slider without CPU_CAPABILITY_FPU hardware */
 489                 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 490                 {
 491                     off_t newvalue = p_intf->p_sys->p_adj->value;
 492
 493 #define p_area p_input->stream.p_selected_area
 494                     /* If the user hasn't touched the slider since the last time,
 495                      * then the input can safely change it */
 496                     if( newvalue == p_intf->p_sys->i_adj_oldvalue )
 497                     {
 498                         /* Update the value */
 499                         p_intf->p_sys->p_adj->value =
 500                         p_intf->p_sys->i_adj_oldvalue =
 501                             ( 100 * p_area->i_tell ) / p_area->i_size;
 502                         gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 503                                                  "value_changed" );
 504                     }
 505                     /* Otherwise, send message to the input if the user has
 506                      * finished dragging the slider */
 507                     else if( p_intf->p_sys->b_slider_free )
 508                     {
 509                         off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 510
 511                         /* release the lock to be able to seek */
 512                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 513                         input_Seek( p_input, i_seek, INPUT_SEEK_SET );
 514                         vlc_mutex_lock( &p_input->stream.stream_lock );
 515
 516                         /* Update the old value */
 517                         p_intf->p_sys->i_adj_oldvalue = newvalue;
 518                     }
 519 #undef p_area
 520                 }
 521             }
 522         }
 523         vlc_mutex_unlock( &p_input->stream.stream_lock );
 524     }
 525     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 526     {
 527         E_(GtkModeManage)( p_intf );
 528         p_intf->p_sys->b_playing = 0;
 529     }
 530
 531 #ifndef NEED_GTK2_MAIN
 532     if( p_intf->b_die )
 533     {
 534         vlc_mutex_unlock( &p_intf->change_lock );
 535
 536         /* Prepare to die, young Skywalker */
 537         gtk_main_quit();
 538
 539         return FALSE;
 540     }
 541 #endif
 542
 543     vlc_mutex_unlock( &p_intf->change_lock );
 544
 545     return TRUE;
 546 }
 547
 548 /*****************************************************************************
 549  * GtkDisplayDate: display stream date
 550  *****************************************************************************
 551  * This function displays the current date related to the position in
 552  * the stream. It is called whenever the slider changes its value.
 553  * The lock has to be taken before you call the function.
 554  *****************************************************************************/
 555 void E_(GtkDisplayDate)( GtkAdjustment *p_adj )
 556 {
 557     intf_thread_t *p_intf;
 558
 559     p_intf = gtk_object_get_data( GTK_OBJECT( p_adj ), "p_intf" );
 560
 561     if( p_intf->p_sys->p_input )
 562     {
 563 #define p_area p_intf->p_sys->p_input->stream.p_selected_area
 564         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
 565
 566         gtk_label_set_text( GTK_LABEL( p_intf->p_sys->p_slider_label ),
 567                         input_OffsetToTime( p_intf->p_sys->p_input, psz_time,
 568                                    ( p_area->i_size * p_adj->value ) / 100 ) );
 569 #undef p_area
 570      }
 571 }
 572
 573 /*****************************************************************************
 574  * GtkModeManage: actualize the aspect of the interface whenever the input
 575  *                changes.
 576  *****************************************************************************
 577  * The lock has to be taken before you call the function.
 578  *****************************************************************************/
 579 gint E_(GtkModeManage)( intf_thread_t * p_intf )
 580 {
 581     GtkWidget *     p_slider;
 582     vlc_bool_t      b_control;
 583
 584 #define GETWIDGET( ptr, name ) GTK_WIDGET( gtk_object_get_data( GTK_OBJECT( \
 585                            p_intf->p_sys->ptr ) , ( name ) ) )
 586     /* hide slider */
 587     p_slider = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 588                            p_intf->p_sys->p_window ), "slider" ) );
 589     gtk_widget_hide( GTK_WIDGET( p_slider ) );
 590
 591     /* controls unavailable */
 592     b_control = 0;
 593
 594     /* show the box related to current input mode */
 595     if( p_intf->p_sys->p_input )
 596     {
 597         /* initialize and show slider for seekable streams */
 598         if( p_intf->p_sys->p_input->stream.b_seekable )
 599         {
 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