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 1.28 2001/04/12 03:26:53 stef 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         if( p_intf->p_input->stream.b_changed )
 355         {
 356             p_intf->p_sys->b_menus_update = 1;
 357             p_intf->p_input->stream.b_changed = 0;
 358 fprintf( stderr, "########changed interface##########\n" );
 359         }
 360
 361 #define p_area p_intf->p_input->stream.p_selected_area
 362         /* Update language/chapter menus after user request */
 363         if( ( p_intf->p_sys->b_menus_update ) ||
 364             ( p_intf->p_sys->i_part != p_area->i_part ) )
 365         {
 366             p_intf->p_sys->b_menus_update = 1;
 367             GnomeSetupMenu( p_intf );
 368             p_intf->p_sys->b_menus_update = 0;
 369
 370             snprintf( psz_title, 3, "%02d", p_area->i_id );
 371             gtk_label_set_text( p_intf->p_sys->p_label_title, psz_title );
 372
 373             p_intf->p_sys->i_part = p_area->i_part;
 374             snprintf( psz_chapter, 3, "%02d", p_area->i_part );
 375             gtk_label_set_text( p_intf->p_sys->p_label_chapter, psz_chapter );
 376         }
 377
 378         /* Manage the slider */
 379         newvalue = p_intf->p_sys->p_adj->value;
 380
 381         /* If the user hasn't touched the slider since the last time,
 382          * then the input can safely change it */
 383         if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 384         {
 385             /* Update the value */
 386             p_intf->p_sys->p_adj->value = p_intf->p_sys->f_adj_oldvalue =
 387                 ( 100. * p_area->i_tell ) / p_area->i_size;
 388
 389             gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 390                                      "value_changed" );
 391         }
 392         /* Otherwise, send message to the input if the user has
 393          * finished dragging the slider */
 394         else if( p_intf->p_sys->b_slider_free )
 395         {
 396             off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 397
 398             input_Seek( p_intf->p_input, i_seek );
 399
 400             /* Update the old value */
 401             p_intf->p_sys->f_adj_oldvalue = newvalue;
 402         }
 403 #undef p_area
 404     }
 405
 406     /* Manage core vlc functions through the callback */
 407     p_intf->pf_manage( p_intf );
 408
 409     if( p_intf->b_die )
 410     {
 411         vlc_mutex_unlock( &p_intf->change_lock );
 412
 413         /* Prepare to die, young Skywalker */
 414         gtk_main_quit();
 415
 416         /* Just in case */
 417         return( FALSE );
 418     }
 419
 420     vlc_mutex_unlock( &p_intf->change_lock );
 421
 422     return( TRUE );
 423
 424 #undef p_intf
 425 }
 426
 427 /*****************************************************************************
 428  * GnomeLanguageMenus: update interactive menus of the interface
 429  *****************************************************************************
 430  * Sets up menus with information from input:
 431  *  -languages
 432  *  -sub-pictures
 433  * Warning: since this function is designed to be called by management
 434  * function, the interface lock has to be taken
 435  *****************************************************************************/
 436 static gint GnomeLanguageMenus( gpointer          p_data,
 437                                 GtkWidget *       p_root,
 438                                 es_descriptor_t * p_es,
 439                                 gint              i_cat,
 440                           void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 441 {
 442     intf_thread_t *     p_intf;
 443     GtkWidget *         p_menu;
 444     GtkWidget *         p_separator;
 445     GtkWidget *         p_item;
 446     GtkWidget *         p_item_active;
 447     GSList *            p_group;
 448     char *              psz_name;
 449     gint                i_item;
 450     gint                i;
 451
 452
 453
 454     /* cast */
 455     p_intf = (intf_thread_t *)p_data;
 456
 457     /* removes previous menu */
 458     gtk_menu_item_remove_submenu( GTK_MENU_ITEM( p_root ) );
 459     gtk_widget_set_sensitive( p_root, FALSE );
 460
 461     p_group = NULL;
 462
 463     /* menu container */
 464     p_menu = gtk_menu_new();
 465
 466     /* special case for "off" item */
 467     psz_name = "Off";
 468
 469     p_item = gtk_radio_menu_item_new_with_label( p_group, psz_name );
 470     p_group = gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 471
 472     gtk_widget_show( p_item );
 473
 474     /* signal hanling for off */
 475     gtk_signal_connect( GTK_OBJECT( p_item ), "toggled",
 476                         GTK_SIGNAL_FUNC ( pf_toggle ), NULL );
 477
 478     gtk_menu_append( GTK_MENU( p_menu ), p_item );
 479
 480     p_separator = gtk_menu_item_new();
 481     gtk_widget_set_sensitive( p_separator, FALSE );
 482     gtk_widget_show( p_separator );
 483     gtk_menu_append( GTK_MENU( p_menu ), p_separator );
 484
 485     vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
 486     p_item_active = NULL;
 487     i_item = 0;
 488
 489     /* create a set of language buttons and append them to the container */
 490     for( i = 0 ; i < p_intf->p_input->stream.i_es_number ; i++ )
 491     {
 492         if( p_intf->p_input->stream.pp_es[i]->i_cat == i_cat )
 493         {
 494             i_item++;
 495             psz_name = p_intf->p_input->stream.pp_es[i]->psz_desc;
 496             if( psz_name[0] == '\0' )
 497             {
 498                 sprintf( psz_name, "Language %d", i_item );
 499             }
 500
 501             p_item = gtk_radio_menu_item_new_with_label( p_group, psz_name );
 502             p_group =
 503                 gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 504
 505             if( p_es == p_intf->p_input->stream.pp_es[i] )
 506             {
 507                 /* don't lose p_item when we append into menu */
 508                 p_item_active = p_item;
 509             }
 510
 511             gtk_widget_show( p_item );
 512
 513             /* setup signal hanling */
 514             gtk_signal_connect( GTK_OBJECT( p_item ), "toggled",
 515                             GTK_SIGNAL_FUNC( pf_toggle ),
 516                             (gpointer)( p_intf->p_input->stream.pp_es[i] ) );
 517
 518             gtk_menu_append( GTK_MENU( p_menu ), p_item );
 519         }
 520     }
 521
 522     vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
 523
 524     /* link the new menu to the menubar item */
 525     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_root ), p_menu );
 526
 527     /* acitvation will call signals so we can only do it
 528      * when submenu is attached to menu - to get intf_window */
 529     if( p_item_active != NULL )
 530     {
 531         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_active ),
 532                                         TRUE );
 533     }
 534
 535     /* be sure that menu is sensitive if non empty */
 536     if( i_item > 0 )
 537     {
 538         gtk_widget_set_sensitive( p_root, TRUE );
 539     }
 540
 541     return TRUE;
 542 }
 543
 544 /*****************************************************************************
 545  * GnomeChapterMenu: generate chapter menu for current title
 546  *****************************************************************************/
 547 static gint GnomeChapterMenu( gpointer p_data, GtkWidget * p_chapter,
 548                         void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 549 {
 550     intf_thread_t *     p_intf;
 551     char                psz_name[10];
 552     GtkWidget *         p_chapter_menu;
 553     GtkWidget *         p_chapter_submenu;
 554     GtkWidget *         p_menu_item;
 555     GtkWidget *         p_item;
 556     GtkWidget *         p_item_selected;
 557     GSList *            p_chapter_group;
 558     gint                i_title;
 559     gint                i_chapter;
 560     gint                i_nb;
 561
 562     /* cast */
 563     p_intf = (intf_thread_t*)p_data;
 564
 565     /* removes previous menu */
 566     gtk_menu_item_remove_submenu( GTK_MENU_ITEM( p_chapter ) );
 567     gtk_widget_set_sensitive( p_chapter, FALSE );
 568
 569     p_chapter_submenu = NULL;
 570     p_chapter_group = NULL;
 571     p_item_selected = NULL;
 572     p_menu_item = NULL;
 573
 574     i_title = p_intf->p_input->stream.p_selected_area->i_id;
 575     p_chapter_menu = gtk_menu_new();
 576     i_nb = p_intf->p_input->stream.pp_areas[i_title]->i_part_nb;
 577
 578     for( i_chapter = 0 ; i_chapter < i_nb ; i_chapter++ )
 579     {
 580         /* we group chapters in packets of ten for small screens */
 581         if( ( i_chapter % 10 == 0 ) && ( i_nb > 20 ) )
 582         {
 583             if( i_chapter != 0 )
 584             {
 585                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_menu_item ),
 586                                            p_chapter_submenu );
 587                 gtk_menu_append( GTK_MENU( p_chapter_menu ), p_menu_item );
 588             }
 589
 590             sprintf( psz_name, "%d - %d", i_chapter + 1, i_chapter + 10);
 591             p_menu_item = gtk_menu_item_new_with_label( psz_name );
 592             gtk_widget_show( p_menu_item );
 593             p_chapter_submenu = gtk_menu_new();
 594         }
 595
 596         sprintf( psz_name, "Chapter %d", i_chapter + 1 );
 597
 598         p_item = gtk_radio_menu_item_new_with_label( p_chapter_group,
 599                                                      psz_name );
 600         p_chapter_group =
 601             gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 602
 603         if( p_intf->p_input->stream.pp_areas[i_title]->i_part
 604                      == i_chapter + 1 )
 605         {
 606             p_item_selected = p_item;
 607         }
 608
 609         gtk_widget_show( p_item );
 610
 611         /* setup signal hanling */
 612         gtk_signal_connect( GTK_OBJECT( p_item ),
 613                         "toggled",
 614                         GTK_SIGNAL_FUNC( pf_toggle ),
 615                         (gpointer)(i_chapter + 1) );
 616
 617         if( i_nb > 20 )
 618         {
 619             gtk_menu_append( GTK_MENU( p_chapter_submenu ), p_item );
 620         }
 621         else
 622         {
 623             gtk_menu_append( GTK_MENU( p_chapter_menu ), p_item );
 624         }
 625     }
 626
 627     if( i_nb > 20 )
 628     {
 629         gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_menu_item ),
 630                                    p_chapter_submenu );
 631         gtk_menu_append( GTK_MENU( p_chapter_menu ), p_menu_item );
 632     }
 633
 634     /* link the new menu to the title menu item */
 635     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_chapter ),
 636                                p_chapter_menu );
 637
 638     /* toggle currently selected chapter */
 639     if( p_item_selected != NULL )
 640     {
 641         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_selected ),
 642                                         TRUE );
 643     }
 644
 645     /* be sure that chapter menu is sensitive, if there are several items */
 646     if( p_intf->p_input->stream.pp_areas[i_title]->i_part_nb > 1 )
 647     {
 648         gtk_widget_set_sensitive( p_chapter, TRUE );
 649     }
 650
 651     return TRUE;
 652 }
 653
 654 /*****************************************************************************
 655  * GnomeTitleMenu: sets menus for titles and chapters selection
 656  *****************************************************************************
 657  * Generates two types of menus:
 658  *  -simple list of titles
 659  *  -cascaded lists of chapters for each title
 660  *****************************************************************************/
 661 static gint GnomeTitleMenu( gpointer       p_data,
 662                             GtkWidget *    p_navigation,
 663                             void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 664 {
 665     intf_thread_t *     p_intf;
 666     char                psz_name[10];
 667     GtkWidget *         p_title_menu;
 668     GtkWidget *         p_title_submenu;
 669     GtkWidget *         p_title_item;
 670     GtkWidget *         p_item_active;
 671     GtkWidget *         p_chapter_menu;
 672     GtkWidget *         p_chapter_submenu;
 673     GtkWidget *         p_title_menu_item;
 674     GtkWidget *         p_chapter_menu_item;
 675     GtkWidget *         p_item;
 676     GSList *            p_title_group;
 677     GSList *            p_chapter_group;
 678     gint                i_title;
 679     gint                i_chapter;
 680     gint                i_title_nb;
 681     gint                i_chapter_nb;
 682
 683     /* cast */
 684     p_intf = (intf_thread_t*)p_data;
 685
 686     p_title_menu = gtk_menu_new();
 687     p_title_group = NULL;
 688     p_title_submenu = NULL;
 689     p_title_menu_item = NULL;
 690     p_chapter_group = NULL;
 691     p_chapter_submenu = NULL;
 692     p_chapter_menu_item = NULL;
 693     p_item_active = NULL;
 694     i_title_nb = p_intf->p_input->stream.i_area_nb;
 695
 696     /* loop on titles */
 697     for( i_title = 1 ; i_title < i_title_nb ; i_title++ )
 698     {
 699         /* we group titles in packets of ten for small screens */
 700         if( ( i_title % 10 == 1 ) && ( i_title_nb > 20 ) )
 701         {
 702             if( i_title != 1 )
 703             {
 704                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_menu_item ),
 705                                            p_title_submenu );
 706                 gtk_menu_append( GTK_MENU( p_title_menu ), p_title_menu_item );
 707             }
 708
 709             sprintf( psz_name, "%d - %d", i_title, i_title + 9 );
 710             p_title_menu_item = gtk_menu_item_new_with_label( psz_name );
 711             gtk_widget_show( p_title_menu_item );
 712             p_title_submenu = gtk_menu_new();
 713         }
 714
 715         sprintf( psz_name, "Title %d", i_title );
 716
 717         if( pf_toggle == on_menubar_title_toggle )
 718         {
 719             p_title_item = gtk_radio_menu_item_new_with_label( p_title_group,
 720                                                            psz_name );
 721             p_title_group =
 722               gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_title_item ) );
 723
 724             if( p_intf->p_input->stream.pp_areas[i_title] ==
 725                          p_intf->p_input->stream.p_selected_area )
 726             {
 727                 p_item_active = p_title_item;
 728             }
 729
 730             /* setup signal hanling */
 731             gtk_signal_connect( GTK_OBJECT( p_title_item ),
 732                      "toggled",
 733                      GTK_SIGNAL_FUNC( pf_toggle ),
 734                      (gpointer)(p_intf->p_input->stream.pp_areas[i_title]) );
 735
 736             if( p_intf->p_input->stream.i_area_nb > 1 )
 737             {
 738                 /* be sure that menu is sensitive */
 739                 gtk_widget_set_sensitive( p_navigation, TRUE );
 740             }
 741         }
 742         else
 743         {
 744
 745             p_title_item = gtk_menu_item_new_with_label( psz_name );
 746             p_chapter_menu = gtk_menu_new();
 747             i_chapter_nb =
 748                     p_intf->p_input->stream.pp_areas[i_title]->i_part_nb;
 749
 750             for( i_chapter = 0 ; i_chapter < i_chapter_nb ; i_chapter++ )
 751             {
 752                 /* we group chapters in packets of ten for small screens */
 753                 if( ( i_chapter % 10 == 0 ) && ( i_chapter_nb > 20 ) )
 754                 {
 755                     if( i_chapter != 0 )
 756                     {
 757                         gtk_menu_item_set_submenu(
 758                                     GTK_MENU_ITEM( p_chapter_menu_item ),
 759                                     p_chapter_submenu );
 760                         gtk_menu_append( GTK_MENU( p_chapter_menu ),
 761                                          p_chapter_menu_item );
 762                     }
 763
 764                     sprintf( psz_name, "%d - %d", i_chapter + 1,
 765                                                   i_chapter + 10);
 766                     p_chapter_menu_item =
 767                             gtk_menu_item_new_with_label( psz_name );
 768                     gtk_widget_show( p_chapter_menu_item );
 769                     p_chapter_submenu = gtk_menu_new();
 770                 }
 771
 772                 sprintf( psz_name, "Chapter %d", i_chapter + 1 );
 773
 774                 p_item = gtk_radio_menu_item_new_with_label(
 775                                                 p_chapter_group, psz_name );
 776                 p_chapter_group = gtk_radio_menu_item_group(
 777                                                 GTK_RADIO_MENU_ITEM( p_item ) );
 778                 gtk_widget_show( p_item );
 779
 780 #define p_area p_intf->p_input->stream.pp_areas[i_title]
 781                 if( ( p_area == p_intf->p_input->stream.p_selected_area ) &&
 782                     ( p_area->i_part == i_chapter + 1 ) )
 783                 {
 784                     p_item_active = p_item;
 785                 }
 786 #undef p_area
 787
 788                 /* setup signal hanling */
 789                 gtk_signal_connect( GTK_OBJECT( p_item ),
 790                            "toggled",
 791                            GTK_SIGNAL_FUNC( pf_toggle ),
 792                            (gpointer)( ( i_title * 100 ) + ( i_chapter + 1) ) );
 793
 794                 if( i_chapter_nb > 20 )
 795                 {
 796                     gtk_menu_append( GTK_MENU( p_chapter_submenu ), p_item );
 797                 }
 798                 else
 799                 {
 800                     gtk_menu_append( GTK_MENU( p_chapter_menu ), p_item );
 801                 }
 802             }
 803
 804             if( i_chapter_nb > 20 )
 805             {
 806                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_chapter_menu_item ),
 807                                            p_chapter_submenu );
 808                 gtk_menu_append( GTK_MENU( p_chapter_menu ),
 809                                  p_chapter_menu_item );
 810             }
 811
 812             /* link the new menu to the title menu item */
 813             gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_item ),
 814                                        p_chapter_menu );
 815
 816             if( p_intf->p_input->stream.pp_areas[i_title]->i_part_nb > 1 )
 817             {
 818                 /* be sure that menu is sensitive */
 819                 gtk_widget_set_sensitive( p_navigation, TRUE );
 820             }
 821         }
 822         gtk_widget_show( p_title_item );
 823
 824         if( i_title_nb > 20 )
 825         {
 826             gtk_menu_append( GTK_MENU( p_title_submenu ), p_title_item );
 827         }
 828         else
 829         {
 830             gtk_menu_append( GTK_MENU( p_title_menu ), p_title_item );
 831         }
 832     }
 833
 834     if( i_title_nb > 20 )
 835     {
 836         gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_menu_item ),
 837                                    p_title_submenu );
 838         gtk_menu_append( GTK_MENU( p_title_menu ), p_title_menu_item );
 839     }
 840
 841     /* be sure that menu is sensitive */
 842     gtk_widget_set_sensitive( p_title_menu, TRUE );
 843
 844     /* link the new menu to the menubar item */
 845     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_navigation ), p_title_menu );
 846
 847     if( p_item_active != NULL )
 848     {
 849         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_active ),
 850                                         TRUE );
 851     }
 852
 853
 854     return TRUE;
 855 }
 856
 857 /*****************************************************************************
 858  * GnomeSetupMenu: function that generates title/chapter/audio/subpic
 859  * menus with help from preceding functions
 860  *****************************************************************************/
 861 static gint GnomeSetupMenu( intf_thread_t * p_intf )
 862 {
 863     es_descriptor_t *   p_audio_es;
 864     es_descriptor_t *   p_spu_es;
 865     GtkWidget *         p_menubar_menu;
 866     GtkWidget *         p_popup_menu;
 867     gint                i;
 868
 869     if( p_intf->p_input->stream.i_area_nb > 1 )
 870     {
 871         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 872                             p_intf->p_sys->p_window ), "menubar_title" ) );
 873         GnomeTitleMenu( p_intf, p_menubar_menu, on_menubar_title_toggle );
 874
 875         p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 876                              p_intf->p_sys->p_popup ), "popup_navigation" ) );
 877         GnomeTitleMenu( p_intf, p_popup_menu, on_popup_navigation_toggle );
 878
 879         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 880                              p_intf->p_sys->p_window ), "menubar_chapter" ) );
 881         GnomeChapterMenu( p_intf, p_menubar_menu, on_menubar_chapter_toggle );
 882     }
 883
 884     /* look for selected ES */
 885     p_audio_es = NULL;
 886     p_spu_es = NULL;
 887
 888     for( i = 0 ; i < p_intf->p_input->stream.i_selected_es_number ; i++ )
 889     {
 890         if( p_intf->p_input->stream.pp_selected_es[i]->i_cat == AUDIO_ES )
 891         {
 892             p_audio_es = p_intf->p_input->stream.pp_selected_es[i];
 893         }
 894
 895         if( p_intf->p_input->stream.pp_selected_es[i]->i_cat == SPU_ES )
 896         {
 897             p_spu_es = p_intf->p_input->stream.pp_selected_es[i];
 898         }
 899     }
 900
 901     /* audio menus */
 902
 903     /* find audio root menu */
 904     p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 905                          p_intf->p_sys->p_window ), "menubar_audio" ) );
 906
 907     p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 908                  p_intf->p_sys->p_popup ), "popup_audio" ) );
 909
 910     GnomeLanguageMenus( p_intf, p_menubar_menu, p_audio_es, AUDIO_ES,
 911                         on_menubar_audio_toggle );
 912     GnomeLanguageMenus( p_intf, p_popup_menu, p_audio_es, AUDIO_ES,
 913                         on_popup_audio_toggle );
 914
 915     /* sub picture menus */
 916
 917     /* find spu root menu */
 918     p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 919                       p_intf->p_sys->p_window ), "menubar_subtitle" ) );
 920
 921     p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 922                  p_intf->p_sys->p_popup ), "popup_subtitle" ) );
 923
 924     GnomeLanguageMenus( p_intf, p_menubar_menu, p_spu_es, SPU_ES,
 925                         on_menubar_subtitle_toggle  );
 926     GnomeLanguageMenus( p_intf, p_popup_menu, p_spu_es, SPU_ES,
 927                         on_popup_subtitle_toggle );
 928
 929     return TRUE;
 930 }
 931
 932 /*****************************************************************************
 933  * GnomeDisplayDate: display stream date
 934  *****************************************************************************
 935  * This function displays the current date related to the position in
 936  * the stream. It is called whenever the slider changes its value.
 937  *****************************************************************************/
 938 void GnomeDisplayDate( GtkAdjustment *p_adj )
 939 {
 940     intf_thread_t *p_intf;
 941
 942     p_intf = gtk_object_get_data( GTK_OBJECT( p_adj ), "p_intf" );
 943
 944     if( p_intf->p_input != NULL )
 945     {
 946 #define p_area p_intf->p_input->stream.p_selected_area
 947         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
 948
 949         vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
 950
 951         gtk_label_set_text( p_intf->p_sys->p_label_date,
 952                             input_OffsetToTime( p_intf->p_input, psz_time,
 953                                    ( p_area->i_size * p_adj->value ) / 100 ) );
 954
 955         vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
 956 #undef p_area
 957      }
 958 }
 959
 960
 961 /*****************************************************************************
 962  * GnomeDVDModeManage
 963  *****************************************************************************/
 964 static gint GnomeDVDModeManage( intf_thread_t * p_intf )
 965 {
 966     GtkWidget *     p_dvd_box;
 967     GtkWidget *     p_file_box;
 968     GtkWidget *     p_network_box;
 969
 970     p_file_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 971                  p_intf->p_sys->p_window ), "file_box" ) );
 972     gtk_widget_hide( GTK_WIDGET( p_file_box ) );
 973
 974     p_network_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 975                  p_intf->p_sys->p_window ), "network_box" ) );
 976     gtk_widget_hide( GTK_WIDGET( p_network_box ) );
 977
 978     p_dvd_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 979                  p_intf->p_sys->p_window ), "dvd_box" ) );
 980     gtk_widget_show( GTK_WIDGET( p_dvd_box ) );
 981
 982     gtk_label_set_text( p_intf->p_sys->p_label_status,
 983                         "Status: playing DVD" );
 984
 985     return TRUE;
 986 }
 987
 988 /*****************************************************************************
 989  * GnomeFileModeManage
 990  *****************************************************************************/
 991 static gint GnomeFileModeManage( intf_thread_t * p_intf )
 992 {
 993     GtkWidget *     p_dvd_box;
 994     GtkWidget *     p_file_box;
 995     GtkWidget *     p_network_box;
 996
 997     p_network_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 998                  p_intf->p_sys->p_window ), "network_box" ) );
 999     gtk_widget_hide( GTK_WIDGET( p_network_box ) );
1000
1001     p_dvd_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1002                  p_intf->p_sys->p_window ), "dvd_box" ) );
1003     gtk_widget_hide( GTK_WIDGET( p_dvd_box ) );
1004
1005     p_file_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1006                  p_intf->p_sys->p_window ), "file_box" ) );
1007     gtk_widget_show( GTK_WIDGET( p_file_box ) );
1008
1009     gtk_label_set_text( p_intf->p_sys->p_label_status,
1010                         "Status: foo" );
1011
1012     return TRUE;
1013 }
1014
1015 /*****************************************************************************
1016  * GnomeNetworkModeManage
1017  *****************************************************************************/
1018 static gint GnomeNetworkModeManage( intf_thread_t * p_intf )
1019 {
1020     GtkWidget *     p_dvd_box;
1021     GtkWidget *     p_file_box;
1022     GtkWidget *     p_network_box;
1023
1024     p_dvd_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1025                  p_intf->p_sys->p_window ), "dvd_box" ) );
1026     gtk_widget_hide( GTK_WIDGET( p_dvd_box ) );
1027
1028     p_file_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1029                  p_intf->p_sys->p_window ), "file_box" ) );
1030     gtk_widget_hide( GTK_WIDGET( p_file_box ) );
1031
1032     p_network_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1033                  p_intf->p_sys->p_window ), "network_box" ) );
1034     gtk_widget_show( GTK_WIDGET( p_network_box ) );
1035
1036     gtk_label_set_text( p_intf->p_sys->p_label_status,
1037                         "Status: waiting for stream" );
1038
1039     return TRUE;
1040 }