git.sesse.net Git - vlc/blob - plugins/gnome/intf_gnome.c

   1 /*****************************************************************************
   2  * intf_gnome.c: Gnome interface
   3  *****************************************************************************
   4  * Copyright (C) 1999, 2000 VideoLAN
   5  * $Id: intf_gnome.c,v 1.29 2001/04/13 01:49:22 henri Exp $
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.org>
   8  *          Stéphane Borel <stef@via.ecp.fr>
   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 #define MODULE_NAME gnome
  26 #include "modules_inner.h"
  27
  28 /*****************************************************************************
  29  * Preamble
  30  *****************************************************************************/
  31 #include "defs.h"
  32
  33 #include <errno.h>                                                 /* ENOMEM */
  34 #include <stdlib.h>                                                /* free() */
  35 #include <string.h>                                            /* strerror() */
  36 #include <stdio.h>
  37
  38 #include <gnome.h>
  39
  40 #include "config.h"
  41 #include "common.h"
  42 #include "threads.h"
  43 #include "mtime.h"
  44 #include "tests.h"
  45 #include "modules.h"
  46
  47 #include "stream_control.h"
  48 #include "input_ext-intf.h"
  49
  50 #include "intf_msg.h"
  51 #include "interface.h"
  52 #include "intf_playlist.h"
  53
  54 #include "gnome_callbacks.h"
  55 #include "gnome_interface.h"
  56 #include "gnome_support.h"
  57 #include "intf_gnome.h"
  58
  59 #include "main.h"
  60
  61 /*****************************************************************************
  62  * Local prototypes.
  63  *****************************************************************************/
  64 static int  intf_Probe     ( probedata_t *p_data );
  65 static int  intf_Open      ( intf_thread_t *p_intf );
  66 static void intf_Close     ( intf_thread_t *p_intf );
  67 static void intf_Run       ( intf_thread_t *p_intf );
  68
  69 static gint GnomeManage    ( gpointer p_data );
  70 static gint GnomeLanguageMenus( gpointer, GtkWidget *, es_descriptor_t *, gint,
  71                               void (*pf_toggle)(GtkCheckMenuItem *, gpointer) );
  72 static gint GnomeChapterMenu  ( gpointer, GtkWidget *,
  73                               void (*pf_toggle)(GtkCheckMenuItem *, gpointer) );
  74 static gint GnomeTitleMenu    ( gpointer, GtkWidget *,
  75                               void (*pf_toggle)(GtkCheckMenuItem *, gpointer) );
  76 static gint GnomeSetupMenu    ( intf_thread_t * p_intf );
  77 static void GnomeDisplayDate  ( GtkAdjustment *p_adj );
  78 static gint GnomeDVDModeManage( intf_thread_t * p_intf );
  79 static gint GnomeFileModeManage( intf_thread_t * p_intf );
  80 static gint GnomeNetworkModeManage( intf_thread_t * p_intf );
  81
  82 /*****************************************************************************
  83  * g_atexit: kludge to avoid the Gnome thread to segfault at exit
  84  *****************************************************************************
  85  * gtk_init() makes several calls to g_atexit() which calls atexit() to
  86  * register tidying callbacks to be called at program exit. Since the Gnome
  87  * plugin is likely to be unloaded at program exit, we have to export this
  88  * symbol to intercept the g_atexit() calls. Talk about crude hack.
  89  *****************************************************************************/
  90 void g_atexit( GVoidFunc func )
  91 {
  92     intf_thread_t *p_intf = p_main->p_intf;
  93
  94     if( p_intf->p_sys->pf_gdk_callback == NULL )
  95     {
  96         p_intf->p_sys->pf_gdk_callback = func;
  97     }
  98     else if( p_intf->p_sys->pf_gtk_callback == NULL )
  99     {
 100         p_intf->p_sys->pf_gtk_callback = func;
 101     }
 102     /* else nothing, but we could do something here */
 103     return;
 104 }
 105
 106 /*****************************************************************************
 107  * Functions exported as capabilities. They are declared as static so that
 108  * we don't pollute the namespace too much.
 109  *****************************************************************************/
 110 void _M( intf_getfunctions )( function_list_t * p_function_list )
 111 {
 112     p_function_list->pf_probe = intf_Probe;
 113     p_function_list->functions.intf.pf_open  = intf_Open;
 114     p_function_list->functions.intf.pf_close = intf_Close;
 115     p_function_list->functions.intf.pf_run   = intf_Run;
 116 }
 117
 118 /*****************************************************************************
 119  * intf_Probe: probe the interface and return a score
 120  *****************************************************************************
 121  * This function tries to initialize Gnome and returns a score to the
 122  * plugin manager so that it can select the best plugin.
 123  *****************************************************************************/
 124 static int intf_Probe( probedata_t *p_data )
 125 {
 126     if( TestMethod( INTF_METHOD_VAR, "gnome" ) )
 127     {
 128         return( 999 );
 129     }
 130
 131     if( TestProgram( "gnome-vlc" ) )
 132     {
 133         return( 200 );
 134     }
 135
 136     return( 100 );
 137 }
 138
 139 /*****************************************************************************
 140  * intf_Open: initialize and create window
 141  *****************************************************************************/
 142 static int intf_Open( intf_thread_t *p_intf )
 143 {
 144     /* Allocate instance and initialize some members */
 145     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
 146     if( p_intf->p_sys == NULL )
 147     {
 148         intf_ErrMsg("error: %s", strerror(ENOMEM));
 149         return( 1 );
 150     }
 151
 152     /* Initialize Gnome thread */
 153     p_intf->p_sys->b_popup_changed = 0;
 154     p_intf->p_sys->b_window_changed = 0;
 155     p_intf->p_sys->b_playlist_changed = 0;
 156     p_intf->p_sys->b_menus_update = 1;
 157
 158     p_intf->p_sys->b_slider_free = 1;
 159
 160     p_intf->p_sys->b_mode_changed = 1;
 161     p_intf->p_sys->i_intf_mode = FILE_MODE;
 162
 163     p_intf->p_sys->i_part = 0;
 164
 165     p_intf->p_sys->pf_gtk_callback = NULL;
 166     p_intf->p_sys->pf_gdk_callback = NULL;
 167
 168     return( 0 );
 169 }
 170
 171 /*****************************************************************************
 172  * intf_Close: destroy interface window
 173  *****************************************************************************/
 174 static void intf_Close( intf_thread_t *p_intf )
 175 {
 176     /* Destroy structure */
 177     free( p_intf->p_sys );
 178 }
 179
 180 /*****************************************************************************
 181  * intf_Run: Gnome thread
 182  *****************************************************************************
 183  * this part of the interface is in a separate thread so that we can call
 184  * gtk_main() from within it without annoying the rest of the program.
 185  * XXX: the approach may look kludgy, and probably is, but I could not find
 186  * a better way to dynamically load a Gnome interface at runtime.
 187  *****************************************************************************/
 188 static void intf_Run( intf_thread_t *p_intf )
 189 {
 190     /* gnome_init needs to know the command line. We don't care, so we
 191      * give it an empty one */
 192     char *p_args[] = { "" };
 193     int   i_args   = 1;
 194
 195     /* The data types we are allowed to receive */
 196     static GtkTargetEntry target_table[] =
 197     {
 198         { "text/uri-list", 0, DROP_ACCEPT_TEXT_URI_LIST },
 199         { "text/plain",    0, DROP_ACCEPT_TEXT_PLAIN }
 200     };
 201
 202     /* intf_Manage callback timeout */
 203     int i_timeout;
 204
 205     /* Initialize Gnome */
 206     gnome_init( p_main->psz_arg0, VERSION, i_args, p_args );
 207
 208     /* Create some useful widgets that will certainly be used */
 209     p_intf->p_sys->p_window = create_intf_window( );
 210     p_intf->p_sys->p_popup = create_intf_popup( );
 211     p_intf->p_sys->p_disc = create_intf_disc( );
 212     p_intf->p_sys->p_network = create_intf_network( );
 213
 214     /* Set the title of the main window */
 215     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 216                           VOUT_TITLE " (Gnome interface)");
 217
 218     /* Accept file drops on the main window */
 219     gtk_drag_dest_set( GTK_WIDGET( p_intf->p_sys->p_window ),
 220                        GTK_DEST_DEFAULT_ALL, target_table,
 221                        1, GDK_ACTION_COPY );
 222
 223     /* Get the interface labels */
 224     #define P_LABEL( name ) GTK_LABEL( gtk_object_get_data( \
 225                          GTK_OBJECT( p_intf->p_sys->p_window ), name ) )
 226     p_intf->p_sys->p_label_date = P_LABEL( "label_date" );
 227     p_intf->p_sys->p_label_status = P_LABEL( "label_status" );
 228     p_intf->p_sys->p_label_title = P_LABEL( "label_title" );
 229     p_intf->p_sys->p_label_chapter = P_LABEL( "label_chapter" );
 230     #undef P_LABEL
 231
 232     /* Connect the date display to the slider */
 233     #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 234                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 235     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 236
 237     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 238                          GTK_SIGNAL_FUNC( GnomeDisplayDate ), NULL );
 239     p_intf->p_sys->f_adj_oldvalue = 0;
 240     #undef P_SLIDER
 241
 242     /* We don't create these ones yet because we perhaps won't need them */
 243     p_intf->p_sys->p_about = NULL;
 244     p_intf->p_sys->p_playlist = NULL;
 245     p_intf->p_sys->p_modules = NULL;
 246     p_intf->p_sys->p_fileopen = NULL;
 247
 248     /* Store p_intf to keep an eye on it */
 249     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 250                          "p_intf", p_intf );
 251
 252     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_popup),
 253                          "p_intf", p_intf );
 254
 255     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_disc),
 256                          "p_intf", p_intf );
 257
 258     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_network),
 259                          "p_intf", p_intf );
 260
 261     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
 262                          "p_intf", p_intf );
 263
 264     /* Show the control window */
 265     gtk_widget_show( p_intf->p_sys->p_window );
 266
 267     /* Sleep to avoid using all CPU - since some interfaces needs to access
 268      * keyboard events, a 100ms delay is a good compromise */
 269     i_timeout = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, GnomeManage, p_intf );
 270
 271     /* Enter gnome mode */
 272     gtk_main();
 273
 274     /* Remove the timeout */
 275     gtk_timeout_remove( i_timeout );
 276
 277     /* Get rid of stored callbacks so we can unload the plugin */
 278     if( p_intf->p_sys->pf_gtk_callback != NULL )
 279     {
 280         p_intf->p_sys->pf_gtk_callback( );
 281         p_intf->p_sys->pf_gtk_callback = NULL;
 282
 283     }
 284
 285     if( p_intf->p_sys->pf_gdk_callback != NULL )
 286     {
 287         p_intf->p_sys->pf_gdk_callback( );
 288         p_intf->p_sys->pf_gdk_callback = NULL;
 289     }
 290 }
 291
 292 /* following functions are local */
 293
 294 /*****************************************************************************
 295  * GnomeManage: manage main thread messages
 296  *****************************************************************************
 297  * In this function, called approx. 10 times a second, we check what the
 298  * main program wanted to tell us.
 299  *****************************************************************************/
 300 static gint GnomeManage( gpointer p_data )
 301 {
 302 #define p_intf ((intf_thread_t *)p_data)
 303
 304     vlc_mutex_lock( &p_intf->change_lock );
 305
 306     /* If the "display popup" flag has changed */
 307     if( p_intf->b_menu_change )
 308     {
 309         gnome_popup_menu_do_popup( p_intf->p_sys->p_popup,
 310                                    NULL, NULL, NULL, NULL );
 311         p_intf->b_menu_change = 0;
 312     }
 313
 314     if( p_intf->p_sys->b_mode_changed )
 315     {
 316         /* Sets the interface mode according to playlist item */
 317         if( p_main->p_playlist->p_item != NULL )
 318         {
 319             if( !strncmp( p_main->p_playlist->p_item->psz_name, "dvd:", 4 ) )
 320             {
 321                 p_intf->p_sys->i_intf_mode = DVD_MODE;
 322             }
 323             else if( !strncmp(
 324                         p_main->p_playlist->p_item->psz_name, "ts:", 4 ) )
 325             {
 326                 p_intf->p_sys->i_intf_mode = NET_MODE;
 327             }
 328         }
 329
 330         switch( p_intf->p_sys->i_intf_mode )
 331         {
 332             case DVD_MODE:
 333                 GnomeDVDModeManage( p_intf );
 334                 break;
 335             case NET_MODE:
 336                 GnomeNetworkModeManage( p_intf );
 337                 break;
 338             case FILE_MODE:
 339             default:
 340                 GnomeFileModeManage( p_intf );
 341                 break;
 342         }
 343
 344         p_intf->p_sys->b_mode_changed = 0;
 345     }
 346
 347
 348     if( p_intf->p_input != NULL )
 349     {
 350         float           newvalue;
 351         char            psz_title[3];
 352         char            psz_chapter[3];
 353
 354         /* Used by TS input when PMT changes */
 355         if( p_intf->p_input->stream.b_changed )
 356         {
 357             p_intf->p_sys->b_menus_update = 1;
 358             p_intf->p_input->stream.b_changed = 0;
 359             intf_WarnMsg( 2,
 360                           "Interface menus refreshed as stream has changed" );
 361         }
 362
 363 #define p_area p_intf->p_input->stream.p_selected_area
 364         /* Update language/chapter menus after user request */
 365         if( ( p_intf->p_sys->b_menus_update ) ||
 366             ( p_intf->p_sys->i_part != p_area->i_part ) )
 367         {
 368             p_intf->p_sys->b_menus_update = 1;
 369             GnomeSetupMenu( p_intf );
 370             p_intf->p_sys->b_menus_update = 0;
 371
 372             snprintf( psz_title, 3, "%02d", p_area->i_id );
 373             gtk_label_set_text( p_intf->p_sys->p_label_title, psz_title );
 374
 375             p_intf->p_sys->i_part = p_area->i_part;
 376             snprintf( psz_chapter, 3, "%02d", p_area->i_part );
 377             gtk_label_set_text( p_intf->p_sys->p_label_chapter, psz_chapter );
 378         }
 379
 380         /* Manage the slider */
 381         newvalue = p_intf->p_sys->p_adj->value;
 382
 383         /* If the user hasn't touched the slider since the last time,
 384          * then the input can safely change it */
 385         if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 386         {
 387             /* Update the value */
 388             p_intf->p_sys->p_adj->value = p_intf->p_sys->f_adj_oldvalue =
 389                 ( 100. * p_area->i_tell ) / p_area->i_size;
 390
 391             gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 392                                      "value_changed" );
 393         }
 394         /* Otherwise, send message to the input if the user has
 395          * finished dragging the slider */
 396         else if( p_intf->p_sys->b_slider_free )
 397         {
 398             off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 399
 400             input_Seek( p_intf->p_input, i_seek );
 401
 402             /* Update the old value */
 403             p_intf->p_sys->f_adj_oldvalue = newvalue;
 404         }
 405 #undef p_area
 406     }
 407
 408     /* Manage core vlc functions through the callback */
 409     p_intf->pf_manage( p_intf );
 410
 411     if( p_intf->b_die )
 412     {
 413         vlc_mutex_unlock( &p_intf->change_lock );
 414
 415         /* Prepare to die, young Skywalker */
 416         gtk_main_quit();
 417
 418         /* Just in case */
 419         return( FALSE );
 420     }
 421
 422     vlc_mutex_unlock( &p_intf->change_lock );
 423
 424     return( TRUE );
 425
 426 #undef p_intf
 427 }
 428
 429 /*****************************************************************************
 430  * GnomeLanguageMenus: update interactive menus of the interface
 431  *****************************************************************************
 432  * Sets up menus with information from input:
 433  *  -languages
 434  *  -sub-pictures
 435  * Warning: since this function is designed to be called by management
 436  * function, the interface lock has to be taken
 437  *****************************************************************************/
 438 static gint GnomeLanguageMenus( gpointer          p_data,
 439                                 GtkWidget *       p_root,
 440                                 es_descriptor_t * p_es,
 441                                 gint              i_cat,
 442                           void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 443 {
 444     intf_thread_t *     p_intf;
 445     GtkWidget *         p_menu;
 446     GtkWidget *         p_separator;
 447     GtkWidget *         p_item;
 448     GtkWidget *         p_item_active;
 449     GSList *            p_group;
 450     char *              psz_name;
 451     gint                i_item;
 452     gint                i;
 453
 454
 455
 456     /* cast */
 457     p_intf = (intf_thread_t *)p_data;
 458
 459     /* removes previous menu */
 460     gtk_menu_item_remove_submenu( GTK_MENU_ITEM( p_root ) );
 461     gtk_widget_set_sensitive( p_root, FALSE );
 462
 463     p_group = NULL;
 464
 465     /* menu container */
 466     p_menu = gtk_menu_new();
 467
 468     /* special case for "off" item */
 469     psz_name = "Off";
 470
 471     p_item = gtk_radio_menu_item_new_with_label( p_group, psz_name );
 472     p_group = gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 473
 474     gtk_widget_show( p_item );
 475
 476     /* signal hanling for off */
 477     gtk_signal_connect( GTK_OBJECT( p_item ), "toggled",
 478                         GTK_SIGNAL_FUNC ( pf_toggle ), NULL );
 479
 480     gtk_menu_append( GTK_MENU( p_menu ), p_item );
 481
 482     p_separator = gtk_menu_item_new();
 483     gtk_widget_set_sensitive( p_separator, FALSE );
 484     gtk_widget_show( p_separator );
 485     gtk_menu_append( GTK_MENU( p_menu ), p_separator );
 486
 487     vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
 488     p_item_active = NULL;
 489     i_item = 0;
 490
 491     /* create a set of language buttons and append them to the container */
 492     for( i = 0 ; i < p_intf->p_input->stream.i_es_number ; i++ )
 493     {
 494         if( p_intf->p_input->stream.pp_es[i]->i_cat == i_cat )
 495         {
 496             i_item++;
 497             psz_name = p_intf->p_input->stream.pp_es[i]->psz_desc;
 498             if( psz_name[0] == '\0' )
 499             {
 500                 sprintf( psz_name, "Language %d", i_item );
 501             }
 502
 503             p_item = gtk_radio_menu_item_new_with_label( p_group, psz_name );
 504             p_group =
 505                 gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 506
 507             if( p_es == p_intf->p_input->stream.pp_es[i] )
 508             {
 509                 /* don't lose p_item when we append into menu */
 510                 p_item_active = p_item;
 511             }
 512
 513             gtk_widget_show( p_item );
 514
 515             /* setup signal hanling */
 516             gtk_signal_connect( GTK_OBJECT( p_item ), "toggled",
 517                             GTK_SIGNAL_FUNC( pf_toggle ),
 518                             (gpointer)( p_intf->p_input->stream.pp_es[i] ) );
 519
 520             gtk_menu_append( GTK_MENU( p_menu ), p_item );
 521         }
 522     }
 523
 524     vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
 525
 526     /* link the new menu to the menubar item */
 527     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_root ), p_menu );
 528
 529     /* acitvation will call signals so we can only do it
 530      * when submenu is attached to menu - to get intf_window */
 531     if( p_item_active != NULL )
 532     {
 533         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_active ),
 534                                         TRUE );
 535     }
 536
 537     /* be sure that menu is sensitive if non empty */
 538     if( i_item > 0 )
 539     {
 540         gtk_widget_set_sensitive( p_root, TRUE );
 541     }
 542
 543     return TRUE;
 544 }
 545
 546 /*****************************************************************************
 547  * GnomeChapterMenu: generate chapter menu for current title
 548  *****************************************************************************/
 549 static gint GnomeChapterMenu( gpointer p_data, GtkWidget * p_chapter,
 550                         void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 551 {
 552     intf_thread_t *     p_intf;
 553     char                psz_name[10];
 554     GtkWidget *         p_chapter_menu;
 555     GtkWidget *         p_chapter_submenu;
 556     GtkWidget *         p_menu_item;
 557     GtkWidget *         p_item;
 558     GtkWidget *         p_item_selected;
 559     GSList *            p_chapter_group;
 560     gint                i_title;
 561     gint                i_chapter;
 562     gint                i_nb;
 563
 564     /* cast */
 565     p_intf = (intf_thread_t*)p_data;
 566
 567     /* removes previous menu */
 568     gtk_menu_item_remove_submenu( GTK_MENU_ITEM( p_chapter ) );
 569     gtk_widget_set_sensitive( p_chapter, FALSE );
 570
 571     p_chapter_submenu = NULL;
 572     p_chapter_group = NULL;
 573     p_item_selected = NULL;
 574     p_menu_item = NULL;
 575
 576     i_title = p_intf->p_input->stream.p_selected_area->i_id;
 577     p_chapter_menu = gtk_menu_new();
 578     i_nb = p_intf->p_input->stream.pp_areas[i_title]->i_part_nb;
 579
 580     for( i_chapter = 0 ; i_chapter < i_nb ; i_chapter++ )
 581     {
 582         /* we group chapters in packets of ten for small screens */
 583         if( ( i_chapter % 10 == 0 ) && ( i_nb > 20 ) )
 584         {
 585             if( i_chapter != 0 )
 586             {
 587                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_menu_item ),
 588                                            p_chapter_submenu );
 589                 gtk_menu_append( GTK_MENU( p_chapter_menu ), p_menu_item );
 590             }
 591
 592             sprintf( psz_name, "%d - %d", i_chapter + 1, i_chapter + 10);
 593             p_menu_item = gtk_menu_item_new_with_label( psz_name );
 594             gtk_widget_show( p_menu_item );
 595             p_chapter_submenu = gtk_menu_new();
 596         }
 597
 598         sprintf( psz_name, "Chapter %d", i_chapter + 1 );
 599
 600         p_item = gtk_radio_menu_item_new_with_label( p_chapter_group,
 601                                                      psz_name );
 602         p_chapter_group =
 603             gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 604
 605         if( p_intf->p_input->stream.pp_areas[i_title]->i_part
 606                      == i_chapter + 1 )
 607         {
 608             p_item_selected = p_item;
 609         }
 610
 611         gtk_widget_show( p_item );
 612
 613         /* setup signal hanling */
 614         gtk_signal_connect( GTK_OBJECT( p_item ),
 615                         "toggled",
 616                         GTK_SIGNAL_FUNC( pf_toggle ),
 617                         (gpointer)(i_chapter + 1) );
 618
 619         if( i_nb > 20 )
 620         {
 621             gtk_menu_append( GTK_MENU( p_chapter_submenu ), p_item );
 622         }
 623         else
 624         {
 625             gtk_menu_append( GTK_MENU( p_chapter_menu ), p_item );
 626         }
 627     }
 628
 629     if( i_nb > 20 )
 630     {
 631         gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_menu_item ),
 632                                    p_chapter_submenu );
 633         gtk_menu_append( GTK_MENU( p_chapter_menu ), p_menu_item );
 634     }
 635
 636     /* link the new menu to the title menu item */
 637     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_chapter ),
 638                                p_chapter_menu );
 639
 640     /* toggle currently selected chapter */
 641     if( p_item_selected != NULL )
 642     {
 643         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_selected ),
 644                                         TRUE );
 645     }
 646
 647     /* be sure that chapter menu is sensitive, if there are several items */
 648     if( p_intf->p_input->stream.pp_areas[i_title]->i_part_nb > 1 )
 649     {
 650         gtk_widget_set_sensitive( p_chapter, TRUE );
 651     }
 652
 653     return TRUE;
 654 }
 655
 656 /*****************************************************************************
 657  * GnomeTitleMenu: sets menus for titles and chapters selection
 658  *****************************************************************************
 659  * Generates two types of menus:
 660  *  -simple list of titles
 661  *  -cascaded lists of chapters for each title
 662  *****************************************************************************/
 663 static gint GnomeTitleMenu( gpointer       p_data,
 664                             GtkWidget *    p_navigation,
 665                             void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 666 {
 667     intf_thread_t *     p_intf;
 668     char                psz_name[10];
 669     GtkWidget *         p_title_menu;
 670     GtkWidget *         p_title_submenu;
 671     GtkWidget *         p_title_item;
 672     GtkWidget *         p_item_active;
 673     GtkWidget *         p_chapter_menu;
 674     GtkWidget *         p_chapter_submenu;
 675     GtkWidget *         p_title_menu_item;
 676     GtkWidget *         p_chapter_menu_item;
 677     GtkWidget *         p_item;
 678     GSList *            p_title_group;
 679     GSList *            p_chapter_group;
 680     gint                i_title;
 681     gint                i_chapter;
 682     gint                i_title_nb;
 683     gint                i_chapter_nb;
 684
 685     /* cast */
 686     p_intf = (intf_thread_t*)p_data;
 687
 688     p_title_menu = gtk_menu_new();
 689     p_title_group = NULL;
 690     p_title_submenu = NULL;
 691     p_title_menu_item = NULL;
 692     p_chapter_group = NULL;
 693     p_chapter_submenu = NULL;
 694     p_chapter_menu_item = NULL;
 695     p_item_active = NULL;
 696     i_title_nb = p_intf->p_input->stream.i_area_nb;
 697
 698     /* loop on titles */
 699     for( i_title = 1 ; i_title < i_title_nb ; i_title++ )
 700     {
 701         /* we group titles in packets of ten for small screens */
 702         if( ( i_title % 10 == 1 ) && ( i_title_nb > 20 ) )
 703         {
 704             if( i_title != 1 )
 705             {
 706                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_menu_item ),
 707                                            p_title_submenu );
 708                 gtk_menu_append( GTK_MENU( p_title_menu ), p_title_menu_item );
 709             }
 710
 711             sprintf( psz_name, "%d - %d", i_title, i_title + 9 );
 712             p_title_menu_item = gtk_menu_item_new_with_label( psz_name );
 713             gtk_widget_show( p_title_menu_item );
 714             p_title_submenu = gtk_menu_new();
 715         }
 716
 717         sprintf( psz_name, "Title %d", i_title );
 718
 719         if( pf_toggle == on_menubar_title_toggle )
 720         {
 721             p_title_item = gtk_radio_menu_item_new_with_label( p_title_group,
 722                                                            psz_name );
 723             p_title_group =
 724               gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_title_item ) );
 725
 726             if( p_intf->p_input->stream.pp_areas[i_title] ==
 727                          p_intf->p_input->stream.p_selected_area )
 728             {
 729                 p_item_active = p_title_item;
 730             }
 731
 732             /* setup signal hanling */
 733             gtk_signal_connect( GTK_OBJECT( p_title_item ),
 734                      "toggled",
 735                      GTK_SIGNAL_FUNC( pf_toggle ),
 736                      (gpointer)(p_intf->p_input->stream.pp_areas[i_title]) );
 737
 738             if( p_intf->p_input->stream.i_area_nb > 1 )
 739             {
 740                 /* be sure that menu is sensitive */
 741                 gtk_widget_set_sensitive( p_navigation, TRUE );
 742             }
 743         }
 744         else
 745         {
 746
 747             p_title_item = gtk_menu_item_new_with_label( psz_name );
 748             p_chapter_menu = gtk_menu_new();
 749             i_chapter_nb =
 750                     p_intf->p_input->stream.pp_areas[i_title]->i_part_nb;
 751
 752             for( i_chapter = 0 ; i_chapter < i_chapter_nb ; i_chapter++ )
 753             {
 754                 /* we group chapters in packets of ten for small screens */
 755                 if( ( i_chapter % 10 == 0 ) && ( i_chapter_nb > 20 ) )
 756                 {
 757                     if( i_chapter != 0 )
 758                     {
 759                         gtk_menu_item_set_submenu(
 760                                     GTK_MENU_ITEM( p_chapter_menu_item ),
 761                                     p_chapter_submenu );
 762                         gtk_menu_append( GTK_MENU( p_chapter_menu ),
 763                                          p_chapter_menu_item );
 764                     }
 765
 766                     sprintf( psz_name, "%d - %d", i_chapter + 1,
 767                                                   i_chapter + 10);
 768                     p_chapter_menu_item =
 769                             gtk_menu_item_new_with_label( psz_name );
 770                     gtk_widget_show( p_chapter_menu_item );
 771                     p_chapter_submenu = gtk_menu_new();
 772                 }
 773
 774                 sprintf( psz_name, "Chapter %d", i_chapter + 1 );
 775
 776                 p_item = gtk_radio_menu_item_new_with_label(
 777                                                 p_chapter_group, psz_name );
 778                 p_chapter_group = gtk_radio_menu_item_group(
 779                                                 GTK_RADIO_MENU_ITEM( p_item ) );
 780                 gtk_widget_show( p_item );
 781
 782 #define p_area p_intf->p_input->stream.pp_areas[i_title]
 783                 if( ( p_area == p_intf->p_input->stream.p_selected_area ) &&
 784                     ( p_area->i_part == i_chapter + 1 ) )
 785                 {
 786                     p_item_active = p_item;
 787                 }
 788 #undef p_area
 789
 790                 /* setup signal hanling */
 791                 gtk_signal_connect( GTK_OBJECT( p_item ),
 792                            "toggled",
 793                            GTK_SIGNAL_FUNC( pf_toggle ),
 794                            (gpointer)( ( i_title * 100 ) + ( i_chapter + 1) ) );
 795
 796                 if( i_chapter_nb > 20 )
 797                 {
 798                     gtk_menu_append( GTK_MENU( p_chapter_submenu ), p_item );
 799                 }
 800                 else
 801                 {
 802                     gtk_menu_append( GTK_MENU( p_chapter_menu ), p_item );
 803                 }
 804             }
 805
 806             if( i_chapter_nb > 20 )
 807             {
 808                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_chapter_menu_item ),
 809                                            p_chapter_submenu );
 810                 gtk_menu_append( GTK_MENU( p_chapter_menu ),
 811                                  p_chapter_menu_item );
 812             }
 813
 814             /* link the new menu to the title menu item */
 815             gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_item ),
 816                                        p_chapter_menu );
 817
 818             if( p_intf->p_input->stream.pp_areas[i_title]->i_part_nb > 1 )
 819             {
 820                 /* be sure that menu is sensitive */
 821                 gtk_widget_set_sensitive( p_navigation, TRUE );
 822             }
 823         }
 824         gtk_widget_show( p_title_item );
 825
 826         if( i_title_nb > 20 )
 827         {
 828             gtk_menu_append( GTK_MENU( p_title_submenu ), p_title_item );
 829         }
 830         else
 831         {
 832             gtk_menu_append( GTK_MENU( p_title_menu ), p_title_item );
 833         }
 834     }
 835
 836     if( i_title_nb > 20 )
 837     {
 838         gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_menu_item ),
 839                                    p_title_submenu );
 840         gtk_menu_append( GTK_MENU( p_title_menu ), p_title_menu_item );
 841     }
 842
 843     /* be sure that menu is sensitive */
 844     gtk_widget_set_sensitive( p_title_menu, TRUE );
 845
 846     /* link the new menu to the menubar item */
 847     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_navigation ), p_title_menu );
 848
 849     if( p_item_active != NULL )
 850     {
 851         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_active ),
 852                                         TRUE );
 853     }
 854
 855
 856     return TRUE;
 857 }
 858
 859 /*****************************************************************************
 860  * GnomeSetupMenu: function that generates title/chapter/audio/subpic
 861  * menus with help from preceding functions
 862  *****************************************************************************/
 863 static gint GnomeSetupMenu( intf_thread_t * p_intf )
 864 {
 865     es_descriptor_t *   p_audio_es;
 866     es_descriptor_t *   p_spu_es;
 867     GtkWidget *         p_menubar_menu;
 868     GtkWidget *         p_popup_menu;
 869     gint                i;
 870
 871     if( p_intf->p_input->stream.i_area_nb > 1 )
 872     {
 873         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 874                             p_intf->p_sys->p_window ), "menubar_title" ) );
 875         GnomeTitleMenu( p_intf, p_menubar_menu, on_menubar_title_toggle );
 876
 877         p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 878                              p_intf->p_sys->p_popup ), "popup_navigation" ) );
 879         GnomeTitleMenu( p_intf, p_popup_menu, on_popup_navigation_toggle );
 880
 881         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 882                              p_intf->p_sys->p_window ), "menubar_chapter" ) );
 883         GnomeChapterMenu( p_intf, p_menubar_menu, on_menubar_chapter_toggle );
 884     }
 885
 886     /* look for selected ES */
 887     p_audio_es = NULL;
 888     p_spu_es = NULL;
 889
 890     for( i = 0 ; i < p_intf->p_input->stream.i_selected_es_number ; i++ )
 891     {
 892         if( p_intf->p_input->stream.pp_selected_es[i]->i_cat == AUDIO_ES )
 893         {
 894             p_audio_es = p_intf->p_input->stream.pp_selected_es[i];
 895         }
 896
 897         if( p_intf->p_input->stream.pp_selected_es[i]->i_cat == SPU_ES )
 898         {
 899             p_spu_es = p_intf->p_input->stream.pp_selected_es[i];
 900         }
 901     }
 902
 903     /* audio menus */
 904
 905     /* find audio root menu */
 906     p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 907                          p_intf->p_sys->p_window ), "menubar_audio" ) );
 908
 909     p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 910                  p_intf->p_sys->p_popup ), "popup_audio" ) );
 911
 912     GnomeLanguageMenus( p_intf, p_menubar_menu, p_audio_es, AUDIO_ES,
 913                         on_menubar_audio_toggle );
 914     GnomeLanguageMenus( p_intf, p_popup_menu, p_audio_es, AUDIO_ES,
 915                         on_popup_audio_toggle );
 916
 917     /* sub picture menus */
 918
 919     /* find spu root menu */
 920     p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 921                       p_intf->p_sys->p_window ), "menubar_subtitle" ) );
 922
 923     p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 924                  p_intf->p_sys->p_popup ), "popup_subtitle" ) );
 925
 926     GnomeLanguageMenus( p_intf, p_menubar_menu, p_spu_es, SPU_ES,
 927                         on_menubar_subtitle_toggle  );
 928     GnomeLanguageMenus( p_intf, p_popup_menu, p_spu_es, SPU_ES,
 929                         on_popup_subtitle_toggle );
 930
 931     return TRUE;
 932 }
 933
 934 /*****************************************************************************
 935  * GnomeDisplayDate: display stream date
 936  *****************************************************************************
 937  * This function displays the current date related to the position in
 938  * the stream. It is called whenever the slider changes its value.
 939  *****************************************************************************/
 940 void GnomeDisplayDate( GtkAdjustment *p_adj )
 941 {
 942     intf_thread_t *p_intf;
 943
 944     p_intf = gtk_object_get_data( GTK_OBJECT( p_adj ), "p_intf" );
 945
 946     if( p_intf->p_input != NULL )
 947     {
 948 #define p_area p_intf->p_input->stream.p_selected_area
 949         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
 950
 951         vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
 952
 953         gtk_label_set_text( p_intf->p_sys->p_label_date,
 954                             input_OffsetToTime( p_intf->p_input, psz_time,
 955                                    ( p_area->i_size * p_adj->value ) / 100 ) );
 956
 957         vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
 958 #undef p_area
 959      }
 960 }
 961
 962
 963 /*****************************************************************************
 964  * GnomeDVDModeManage
 965  *****************************************************************************/
 966 static gint GnomeDVDModeManage( intf_thread_t * p_intf )
 967 {
 968     GtkWidget *     p_dvd_box;
 969     GtkWidget *     p_file_box;
 970     GtkWidget *     p_network_box;
 971
 972     p_file_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 973                  p_intf->p_sys->p_window ), "file_box" ) );
 974     gtk_widget_hide( GTK_WIDGET( p_file_box ) );
 975
 976     p_network_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 977                  p_intf->p_sys->p_window ), "network_box" ) );
 978     gtk_widget_hide( GTK_WIDGET( p_network_box ) );
 979
 980     p_dvd_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 981                  p_intf->p_sys->p_window ), "dvd_box" ) );
 982     gtk_widget_show( GTK_WIDGET( p_dvd_box ) );
 983
 984     gtk_label_set_text( p_intf->p_sys->p_label_status,
 985                         "Status: playing DVD" );
 986
 987     return TRUE;
 988 }
 989
 990 /*****************************************************************************
 991  * GnomeFileModeManage
 992  *****************************************************************************/
 993 static gint GnomeFileModeManage( intf_thread_t * p_intf )
 994 {
 995     GtkWidget *     p_dvd_box;
 996     GtkWidget *     p_file_box;
 997     GtkWidget *     p_network_box;
 998
 999     p_network_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1000                  p_intf->p_sys->p_window ), "network_box" ) );
1001     gtk_widget_hide( GTK_WIDGET( p_network_box ) );
1002
1003     p_dvd_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1004                  p_intf->p_sys->p_window ), "dvd_box" ) );
1005     gtk_widget_hide( GTK_WIDGET( p_dvd_box ) );
1006
1007     p_file_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1008                  p_intf->p_sys->p_window ), "file_box" ) );
1009     gtk_widget_show( GTK_WIDGET( p_file_box ) );
1010
1011     gtk_label_set_text( p_intf->p_sys->p_label_status,
1012                         "Status: foo" );
1013
1014     return TRUE;
1015 }
1016
1017 /*****************************************************************************
1018  * GnomeNetworkModeManage
1019  *****************************************************************************/
1020 static gint GnomeNetworkModeManage( intf_thread_t * p_intf )
1021 {
1022     GtkWidget *     p_dvd_box;
1023     GtkWidget *     p_file_box;
1024     GtkWidget *     p_network_box;
1025
1026     p_dvd_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1027                  p_intf->p_sys->p_window ), "dvd_box" ) );
1028     gtk_widget_hide( GTK_WIDGET( p_dvd_box ) );
1029
1030     p_file_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1031                  p_intf->p_sys->p_window ), "file_box" ) );
1032     gtk_widget_hide( GTK_WIDGET( p_file_box ) );
1033
1034     p_network_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1035                  p_intf->p_sys->p_window ), "network_box" ) );
1036     gtk_widget_show( GTK_WIDGET( p_network_box ) );
1037
1038     gtk_label_set_text( p_intf->p_sys->p_label_status,
1039                         "Status: waiting for stream" );
1040
1041     return TRUE;
1042 }