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 1.26 2001/04/08 07:24:47 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     return( 100 );
 132 }
 133
 134 /*****************************************************************************
 135  * intf_Open: initialize and create window
 136  *****************************************************************************/
 137 static int intf_Open( intf_thread_t *p_intf )
 138 {
 139     /* Allocate instance and initialize some members */
 140     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
 141     if( p_intf->p_sys == NULL )
 142     {
 143         intf_ErrMsg("error: %s", strerror(ENOMEM));
 144         return( 1 );
 145     }
 146
 147     /* Initialize Gnome thread */
 148     p_intf->p_sys->b_popup_changed = 0;
 149     p_intf->p_sys->b_window_changed = 0;
 150     p_intf->p_sys->b_playlist_changed = 0;
 151     p_intf->p_sys->b_menus_update = 1;
 152
 153     p_intf->p_sys->b_slider_free = 1;
 154
 155     p_intf->p_sys->b_mode_changed = 1;
 156     p_intf->p_sys->i_intf_mode = FILE_MODE;
 157
 158     p_intf->p_sys->i_part = 0;
 159
 160     p_intf->p_sys->pf_gtk_callback = NULL;
 161     p_intf->p_sys->pf_gdk_callback = NULL;
 162
 163     return( 0 );
 164 }
 165
 166 /*****************************************************************************
 167  * intf_Close: destroy interface window
 168  *****************************************************************************/
 169 static void intf_Close( intf_thread_t *p_intf )
 170 {
 171     /* Destroy structure */
 172     free( p_intf->p_sys );
 173 }
 174
 175 /*****************************************************************************
 176  * intf_Run: Gnome thread
 177  *****************************************************************************
 178  * this part of the interface is in a separate thread so that we can call
 179  * gtk_main() from within it without annoying the rest of the program.
 180  * XXX: the approach may look kludgy, and probably is, but I could not find
 181  * a better way to dynamically load a Gnome interface at runtime.
 182  *****************************************************************************/
 183 static void intf_Run( intf_thread_t *p_intf )
 184 {
 185     /* gnome_init needs to know the command line. We don't care, so we
 186      * give it an empty one */
 187     char *p_args[] = { "" };
 188     int   i_args   = 1;
 189
 190     /* The data types we are allowed to receive */
 191     static GtkTargetEntry target_table[] =
 192     {
 193         { "text/uri-list", 0, DROP_ACCEPT_TEXT_URI_LIST },
 194         { "text/plain",    0, DROP_ACCEPT_TEXT_PLAIN }
 195     };
 196
 197     /* intf_Manage callback timeout */
 198     int i_timeout;
 199
 200     /* Initialize Gnome */
 201     gnome_init( p_main->psz_arg0, VERSION, i_args, p_args );
 202
 203     /* Create some useful widgets that will certainly be used */
 204     p_intf->p_sys->p_window = create_intf_window( );
 205     p_intf->p_sys->p_popup = create_intf_popup( );
 206     p_intf->p_sys->p_disc = create_intf_disc( );
 207     p_intf->p_sys->p_network = create_intf_network( );
 208
 209     /* Set the title of the main window */
 210     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 211                           VOUT_TITLE " (Gnome interface)");
 212
 213     /* Accept file drops on the main window */
 214     gtk_drag_dest_set( GTK_WIDGET( p_intf->p_sys->p_window ),
 215                        GTK_DEST_DEFAULT_ALL, target_table,
 216                        1, GDK_ACTION_COPY );
 217
 218     /* Get the interface labels */
 219     #define P_LABEL( name ) GTK_LABEL( gtk_object_get_data( \
 220                          GTK_OBJECT( p_intf->p_sys->p_window ), name ) )
 221     p_intf->p_sys->p_label_date = P_LABEL( "label_date" );
 222     p_intf->p_sys->p_label_status = P_LABEL( "label_status" );
 223     p_intf->p_sys->p_label_title = P_LABEL( "label_title" );
 224     p_intf->p_sys->p_label_chapter = P_LABEL( "label_chapter" );
 225     #undef P_LABEL
 226
 227     /* Connect the date display to the slider */
 228     #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 229                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 230     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 231
 232     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 233                          GTK_SIGNAL_FUNC( GnomeDisplayDate ), NULL );
 234     p_intf->p_sys->f_adj_oldvalue = 0;
 235     #undef P_SLIDER
 236
 237     /* We don't create these ones yet because we perhaps won't need them */
 238     p_intf->p_sys->p_about = NULL;
 239     p_intf->p_sys->p_playlist = NULL;
 240     p_intf->p_sys->p_modules = NULL;
 241     p_intf->p_sys->p_fileopen = NULL;
 242
 243     /* Store p_intf to keep an eye on it */
 244     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 245                          "p_intf", p_intf );
 246
 247     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_popup),
 248                          "p_intf", p_intf );
 249
 250     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_disc),
 251                          "p_intf", p_intf );
 252
 253     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_network),
 254                          "p_intf", p_intf );
 255
 256     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
 257                          "p_intf", p_intf );
 258
 259     /* Show the control window */
 260     gtk_widget_show( p_intf->p_sys->p_window );
 261
 262     /* Sleep to avoid using all CPU - since some interfaces needs to access
 263      * keyboard events, a 100ms delay is a good compromise */
 264     i_timeout = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, GnomeManage, p_intf );
 265
 266     /* Enter gnome mode */
 267     gtk_main();
 268
 269     /* Remove the timeout */
 270     gtk_timeout_remove( i_timeout );
 271
 272     /* Get rid of stored callbacks so we can unload the plugin */
 273     if( p_intf->p_sys->pf_gtk_callback != NULL )
 274     {
 275         p_intf->p_sys->pf_gtk_callback( );
 276         p_intf->p_sys->pf_gtk_callback = NULL;
 277
 278     }
 279
 280     if( p_intf->p_sys->pf_gdk_callback != NULL )
 281     {
 282         p_intf->p_sys->pf_gdk_callback( );
 283         p_intf->p_sys->pf_gdk_callback = NULL;
 284     }
 285 }
 286
 287 /* following functions are local */
 288
 289 /*****************************************************************************
 290  * GnomeManage: manage main thread messages
 291  *****************************************************************************
 292  * In this function, called approx. 10 times a second, we check what the
 293  * main program wanted to tell us.
 294  *****************************************************************************/
 295 static gint GnomeManage( gpointer p_data )
 296 {
 297 #define p_intf ((intf_thread_t *)p_data)
 298
 299     vlc_mutex_lock( &p_intf->change_lock );
 300
 301     /* If the "display popup" flag has changed */
 302     if( p_intf->b_menu_change )
 303     {
 304         gnome_popup_menu_do_popup( p_intf->p_sys->p_popup,
 305                                    NULL, NULL, NULL, NULL );
 306         p_intf->b_menu_change = 0;
 307     }
 308
 309     if( p_intf->p_sys->b_mode_changed )
 310     {
 311         /* Sets the interface mode according to playlist item */
 312         if( p_main->p_playlist->p_item != NULL )
 313         {
 314             if( !strncmp( p_main->p_playlist->p_item->psz_name, "dvd:", 4 ) )
 315             {
 316                 p_intf->p_sys->i_intf_mode = DVD_MODE;
 317             }
 318             else if( !strncmp(
 319                         p_main->p_playlist->p_item->psz_name, "ts:", 4 ) )
 320             {
 321                 p_intf->p_sys->i_intf_mode = NET_MODE;
 322             }
 323         }
 324
 325         switch( p_intf->p_sys->i_intf_mode )
 326         {
 327             case DVD_MODE:
 328                 GnomeDVDModeManage( p_intf );
 329                 break;
 330             case NET_MODE:
 331                 GnomeNetworkModeManage( p_intf );
 332                 break;
 333             case FILE_MODE:
 334             default:
 335                 GnomeFileModeManage( p_intf );
 336                 break;
 337         }
 338
 339         p_intf->p_sys->b_mode_changed = 0;
 340     }
 341
 342
 343     if( p_intf->p_input != NULL )
 344     {
 345         float           newvalue;
 346         char            psz_title[3];
 347         char            psz_chapter[3];
 348
 349 #define p_area p_intf->p_input->stream.p_selected_area
 350         /* Update language/chapter menus after user request */
 351         if( ( p_intf->p_sys->b_menus_update ) ||
 352             ( p_intf->p_sys->i_part != p_area->i_part ) )
 353         {
 354             p_intf->p_sys->b_menus_update = 1;
 355             GnomeSetupMenu( p_intf );
 356             p_intf->p_sys->b_menus_update = 0;
 357
 358             snprintf( psz_title, 3, "%02d", p_area->i_id );
 359             gtk_label_set_text( p_intf->p_sys->p_label_title, psz_title );
 360
 361             p_intf->p_sys->i_part = p_area->i_part;
 362             snprintf( psz_chapter, 3, "%02d", p_area->i_part );
 363             gtk_label_set_text( p_intf->p_sys->p_label_chapter, psz_chapter );
 364         }
 365
 366         /* Manage the slider */
 367         newvalue = p_intf->p_sys->p_adj->value;
 368
 369         /* If the user hasn't touched the slider since the last time,
 370          * then the input can safely change it */
 371         if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 372         {
 373             /* Update the value */
 374             p_intf->p_sys->p_adj->value = p_intf->p_sys->f_adj_oldvalue =
 375                 ( 100. * p_area->i_tell ) / p_area->i_size;
 376
 377             gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 378                                      "value_changed" );
 379         }
 380         /* Otherwise, send message to the input if the user has
 381          * finished dragging the slider */
 382         else if( p_intf->p_sys->b_slider_free )
 383         {
 384             off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 385
 386             input_Seek( p_intf->p_input, i_seek );
 387
 388             /* Update the old value */
 389             p_intf->p_sys->f_adj_oldvalue = newvalue;
 390         }
 391 #undef p_area
 392     }
 393
 394     /* Manage core vlc functions through the callback */
 395     p_intf->pf_manage( p_intf );
 396
 397     if( p_intf->b_die )
 398     {
 399         vlc_mutex_unlock( &p_intf->change_lock );
 400
 401         /* Prepare to die, young Skywalker */
 402         gtk_main_quit();
 403
 404         /* Just in case */
 405         return( FALSE );
 406     }
 407
 408     vlc_mutex_unlock( &p_intf->change_lock );
 409
 410     return( TRUE );
 411
 412 #undef p_intf
 413 }
 414
 415 /*****************************************************************************
 416  * GnomeLanguageMenus: update interactive menus of the interface
 417  *****************************************************************************
 418  * Sets up menus with information from input:
 419  *  -languages
 420  *  -sub-pictures
 421  * Warning: since this function is designed to be called by management
 422  * function, the interface lock has to be taken
 423  *****************************************************************************/
 424 static gint GnomeLanguageMenus( gpointer          p_data,
 425                                 GtkWidget *       p_root,
 426                                 es_descriptor_t * p_es,
 427                                 gint              i_cat,
 428                           void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 429 {
 430     intf_thread_t *     p_intf;
 431     GtkWidget *         p_menu;
 432     GtkWidget *         p_separator;
 433     GtkWidget *         p_item;
 434     GtkWidget *         p_item_active;
 435     GSList *            p_group;
 436     char *              psz_name;
 437     gint                i_item;
 438     gint                i;
 439
 440
 441
 442     /* cast */
 443     p_intf = (intf_thread_t *)p_data;
 444
 445     /* removes previous menu */
 446     gtk_menu_item_remove_submenu( GTK_MENU_ITEM( p_root ) );
 447     gtk_widget_set_sensitive( p_root, FALSE );
 448
 449     p_group = NULL;
 450
 451     /* menu container */
 452     p_menu = gtk_menu_new();
 453
 454     /* special case for "off" item */
 455     psz_name = "Off";
 456
 457     p_item = gtk_radio_menu_item_new_with_label( p_group, psz_name );
 458     p_group = gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 459
 460     gtk_widget_show( p_item );
 461
 462     /* signal hanling for off */
 463     gtk_signal_connect( GTK_OBJECT( p_item ), "toggled",
 464                         GTK_SIGNAL_FUNC ( pf_toggle ), NULL );
 465
 466     gtk_menu_append( GTK_MENU( p_menu ), p_item );
 467
 468     p_separator = gtk_menu_item_new();
 469     gtk_widget_set_sensitive( p_separator, FALSE );
 470     gtk_widget_show( p_separator );
 471     gtk_menu_append( GTK_MENU( p_menu ), p_separator );
 472
 473     vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
 474     p_item_active = NULL;
 475     i_item = 0;
 476
 477     /* create a set of language buttons and append them to the container */
 478     for( i = 0 ; i < p_intf->p_input->stream.i_es_number ; i++ )
 479     {
 480         if( p_intf->p_input->stream.pp_es[i]->i_cat == i_cat )
 481         {
 482             i_item++;
 483             psz_name = p_intf->p_input->stream.pp_es[i]->psz_desc;
 484             if( psz_name[0] == '\0' )
 485             {
 486                 sprintf( psz_name, "Language %d", i_item );
 487             }
 488
 489             p_item = gtk_radio_menu_item_new_with_label( p_group, psz_name );
 490             p_group =
 491                 gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 492
 493             if( p_es == p_intf->p_input->stream.pp_es[i] )
 494             {
 495                 /* don't lose p_item when we append into menu */
 496                 p_item_active = p_item;
 497             }
 498
 499             gtk_widget_show( p_item );
 500
 501             /* setup signal hanling */
 502             gtk_signal_connect( GTK_OBJECT( p_item ), "toggled",
 503                             GTK_SIGNAL_FUNC( pf_toggle ),
 504                             (gpointer)( p_intf->p_input->stream.pp_es[i] ) );
 505
 506             gtk_menu_append( GTK_MENU( p_menu ), p_item );
 507         }
 508     }
 509
 510     vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
 511
 512     /* link the new menu to the menubar item */
 513     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_root ), p_menu );
 514
 515     /* acitvation will call signals so we can only do it
 516      * when submenu is attached to menu - to get intf_window */
 517     if( p_item_active != NULL )
 518     {
 519         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_active ),
 520                                         TRUE );
 521     }
 522
 523     /* be sure that menu is sensitive if non empty */
 524     if( i_item > 0 )
 525     {
 526         gtk_widget_set_sensitive( p_root, TRUE );
 527     }
 528
 529     return TRUE;
 530 }
 531
 532 /*****************************************************************************
 533  * GnomeChapterMenu: generate chapter menu for current title
 534  *****************************************************************************/
 535 static gint GnomeChapterMenu( gpointer p_data, GtkWidget * p_chapter,
 536                         void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 537 {
 538     intf_thread_t *     p_intf;
 539     char                psz_name[10];
 540     GtkWidget *         p_chapter_menu;
 541     GtkWidget *         p_chapter_submenu;
 542     GtkWidget *         p_menu_item;
 543     GtkWidget *         p_item;
 544     GtkWidget *         p_item_selected;
 545     GSList *            p_chapter_group;
 546     gint                i_title;
 547     gint                i_chapter;
 548     gint                i_nb;
 549
 550     /* cast */
 551     p_intf = (intf_thread_t*)p_data;
 552
 553     /* removes previous menu */
 554     gtk_menu_item_remove_submenu( GTK_MENU_ITEM( p_chapter ) );
 555     gtk_widget_set_sensitive( p_chapter, FALSE );
 556
 557     p_chapter_submenu = NULL;
 558     p_chapter_group = NULL;
 559     p_item_selected = NULL;
 560     p_menu_item = NULL;
 561
 562     i_title = p_intf->p_input->stream.p_selected_area->i_id;
 563     p_chapter_menu = gtk_menu_new();
 564     i_nb = p_intf->p_input->stream.pp_areas[i_title]->i_part_nb;
 565
 566     for( i_chapter = 0 ; i_chapter < i_nb ; i_chapter++ )
 567     {
 568         /* we group chapters in packets of ten for small screens */
 569         if( ( i_chapter % 10 == 0 ) && ( i_nb > 20 ) )
 570         {
 571             if( i_chapter != 0 )
 572             {
 573                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_menu_item ),
 574                                            p_chapter_submenu );
 575                 gtk_menu_append( GTK_MENU( p_chapter_menu ), p_menu_item );
 576             }
 577
 578             sprintf( psz_name, "%d - %d", i_chapter + 1, i_chapter + 10);
 579             p_menu_item = gtk_menu_item_new_with_label( psz_name );
 580             gtk_widget_show( p_menu_item );
 581             p_chapter_submenu = gtk_menu_new();
 582         }
 583
 584         sprintf( psz_name, "Chapter %d", i_chapter + 1 );
 585
 586         p_item = gtk_radio_menu_item_new_with_label( p_chapter_group,
 587                                                      psz_name );
 588         p_chapter_group =
 589             gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 590
 591         if( p_intf->p_input->stream.pp_areas[i_title]->i_part
 592                      == i_chapter + 1 )
 593         {
 594             p_item_selected = p_item;
 595         }
 596
 597         gtk_widget_show( p_item );
 598
 599         /* setup signal hanling */
 600         gtk_signal_connect( GTK_OBJECT( p_item ),
 601                         "toggled",
 602                         GTK_SIGNAL_FUNC( pf_toggle ),
 603                         (gpointer)(i_chapter + 1) );
 604
 605         if( i_nb > 20 )
 606         {
 607             gtk_menu_append( GTK_MENU( p_chapter_submenu ), p_item );
 608         }
 609         else
 610         {
 611             gtk_menu_append( GTK_MENU( p_chapter_menu ), p_item );
 612         }
 613     }
 614
 615     if( i_nb > 20 )
 616     {
 617         gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_menu_item ),
 618                                    p_chapter_submenu );
 619         gtk_menu_append( GTK_MENU( p_chapter_menu ), p_menu_item );
 620     }
 621
 622     /* link the new menu to the title menu item */
 623     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_chapter ),
 624                                p_chapter_menu );
 625
 626     /* toggle currently selected chapter */
 627     if( p_item_selected != NULL )
 628     {
 629         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_selected ),
 630                                         TRUE );
 631     }
 632
 633     /* be sure that chapter menu is sensitive, if there are several items */
 634     if( p_intf->p_input->stream.pp_areas[i_title]->i_part_nb > 1 )
 635     {
 636         gtk_widget_set_sensitive( p_chapter, TRUE );
 637     }
 638
 639     return TRUE;
 640 }
 641
 642 /*****************************************************************************
 643  * GnomeTitleMenu: sets menus for titles and chapters selection
 644  *****************************************************************************
 645  * Generates two types of menus:
 646  *  -simple list of titles
 647  *  -cascaded lists of chapters for each title
 648  *****************************************************************************/
 649 static gint GnomeTitleMenu( gpointer       p_data,
 650                             GtkWidget *    p_navigation,
 651                             void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 652 {
 653     intf_thread_t *     p_intf;
 654     char                psz_name[10];
 655     GtkWidget *         p_title_menu;
 656     GtkWidget *         p_title_submenu;
 657     GtkWidget *         p_title_item;
 658     GtkWidget *         p_item_active;
 659     GtkWidget *         p_chapter_menu;
 660     GtkWidget *         p_chapter_submenu;
 661     GtkWidget *         p_title_menu_item;
 662     GtkWidget *         p_chapter_menu_item;
 663     GtkWidget *         p_item;
 664     GSList *            p_title_group;
 665     GSList *            p_chapter_group;
 666     gint                i_title;
 667     gint                i_chapter;
 668     gint                i_title_nb;
 669     gint                i_chapter_nb;
 670
 671     /* cast */
 672     p_intf = (intf_thread_t*)p_data;
 673
 674     p_title_menu = gtk_menu_new();
 675     p_title_group = NULL;
 676     p_title_submenu = NULL;
 677     p_title_menu_item = NULL;
 678     p_chapter_group = NULL;
 679     p_chapter_submenu = NULL;
 680     p_chapter_menu_item = NULL;
 681     p_item_active = NULL;
 682     i_title_nb = p_intf->p_input->stream.i_area_nb;
 683
 684     /* loop on titles */
 685     for( i_title = 1 ; i_title < i_title_nb ; i_title++ )
 686     {
 687         /* we group titles in packets of ten for small screens */
 688         if( ( i_title % 10 == 1 ) && ( i_title_nb > 20 ) )
 689         {
 690             if( i_title != 1 )
 691             {
 692                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_menu_item ),
 693                                            p_title_submenu );
 694                 gtk_menu_append( GTK_MENU( p_title_menu ), p_title_menu_item );
 695             }
 696
 697             sprintf( psz_name, "%d - %d", i_title, i_title + 9 );
 698             p_title_menu_item = gtk_menu_item_new_with_label( psz_name );
 699             gtk_widget_show( p_title_menu_item );
 700             p_title_submenu = gtk_menu_new();
 701         }
 702
 703         sprintf( psz_name, "Title %d", i_title );
 704
 705         if( pf_toggle == on_menubar_title_toggle )
 706         {
 707             p_title_item = gtk_radio_menu_item_new_with_label( p_title_group,
 708                                                            psz_name );
 709             p_title_group =
 710               gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_title_item ) );
 711
 712             if( p_intf->p_input->stream.pp_areas[i_title] ==
 713                          p_intf->p_input->stream.p_selected_area )
 714             {
 715                 p_item_active = p_title_item;
 716             }
 717
 718             /* setup signal hanling */
 719             gtk_signal_connect( GTK_OBJECT( p_title_item ),
 720                      "toggled",
 721                      GTK_SIGNAL_FUNC( pf_toggle ),
 722                      (gpointer)(p_intf->p_input->stream.pp_areas[i_title]) );
 723
 724             if( p_intf->p_input->stream.i_area_nb > 1 )
 725             {
 726                 /* be sure that menu is sensitive */
 727                 gtk_widget_set_sensitive( p_navigation, TRUE );
 728             }
 729         }
 730         else
 731         {
 732
 733             p_title_item = gtk_menu_item_new_with_label( psz_name );
 734             p_chapter_menu = gtk_menu_new();
 735             i_chapter_nb =
 736                     p_intf->p_input->stream.pp_areas[i_title]->i_part_nb;
 737
 738             for( i_chapter = 0 ; i_chapter < i_chapter_nb ; i_chapter++ )
 739             {
 740                 /* we group chapters in packets of ten for small screens */
 741                 if( ( i_chapter % 10 == 0 ) && ( i_chapter_nb > 20 ) )
 742                 {
 743                     if( i_chapter != 0 )
 744                     {
 745                         gtk_menu_item_set_submenu(
 746                                     GTK_MENU_ITEM( p_chapter_menu_item ),
 747                                     p_chapter_submenu );
 748                         gtk_menu_append( GTK_MENU( p_chapter_menu ),
 749                                          p_chapter_menu_item );
 750                     }
 751
 752                     sprintf( psz_name, "%d - %d", i_chapter + 1,
 753                                                   i_chapter + 10);
 754                     p_chapter_menu_item =
 755                             gtk_menu_item_new_with_label( psz_name );
 756                     gtk_widget_show( p_chapter_menu_item );
 757                     p_chapter_submenu = gtk_menu_new();
 758                 }
 759
 760                 sprintf( psz_name, "Chapter %d", i_chapter + 1 );
 761
 762                 p_item = gtk_radio_menu_item_new_with_label(
 763                                                 p_chapter_group, psz_name );
 764                 p_chapter_group = gtk_radio_menu_item_group(
 765                                                 GTK_RADIO_MENU_ITEM( p_item ) );
 766                 gtk_widget_show( p_item );
 767
 768 #define p_area p_intf->p_input->stream.pp_areas[i_title]
 769                 if( ( p_area == p_intf->p_input->stream.p_selected_area ) &&
 770                     ( p_area->i_part == i_chapter + 1 ) )
 771                 {
 772                     p_item_active = p_item;
 773                 }
 774 #undef p_area
 775
 776                 /* setup signal hanling */
 777                 gtk_signal_connect( GTK_OBJECT( p_item ),
 778                            "toggled",
 779                            GTK_SIGNAL_FUNC( pf_toggle ),
 780                            (gpointer)( ( i_title * 100 ) + ( i_chapter + 1) ) );
 781
 782                 if( i_chapter_nb > 20 )
 783                 {
 784                     gtk_menu_append( GTK_MENU( p_chapter_submenu ), p_item );
 785                 }
 786                 else
 787                 {
 788                     gtk_menu_append( GTK_MENU( p_chapter_menu ), p_item );
 789                 }
 790             }
 791
 792             if( i_chapter_nb > 20 )
 793             {
 794                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_chapter_menu_item ),
 795                                            p_chapter_submenu );
 796                 gtk_menu_append( GTK_MENU( p_chapter_menu ),
 797                                  p_chapter_menu_item );
 798             }
 799
 800             /* link the new menu to the title menu item */
 801             gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_item ),
 802                                        p_chapter_menu );
 803
 804             if( p_intf->p_input->stream.pp_areas[i_title]->i_part_nb > 1 )
 805             {
 806                 /* be sure that menu is sensitive */
 807                 gtk_widget_set_sensitive( p_navigation, TRUE );
 808             }
 809         }
 810         gtk_widget_show( p_title_item );
 811
 812         if( i_title_nb > 20 )
 813         {
 814             gtk_menu_append( GTK_MENU( p_title_submenu ), p_title_item );
 815         }
 816         else
 817         {
 818             gtk_menu_append( GTK_MENU( p_title_menu ), p_title_item );
 819         }
 820     }
 821
 822     if( i_title_nb > 20 )
 823     {
 824         gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_menu_item ),
 825                                    p_title_submenu );
 826         gtk_menu_append( GTK_MENU( p_title_menu ), p_title_menu_item );
 827     }
 828
 829     /* be sure that menu is sensitive */
 830     gtk_widget_set_sensitive( p_title_menu, TRUE );
 831
 832     /* link the new menu to the menubar item */
 833     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_navigation ), p_title_menu );
 834
 835     if( p_item_active != NULL )
 836     {
 837         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_active ),
 838                                         TRUE );
 839     }
 840
 841
 842     return TRUE;
 843 }
 844
 845 /*****************************************************************************
 846  * GnomeSetupMenu: function that generates title/chapter/audio/subpic
 847  * menus with help from preceding functions
 848  *****************************************************************************/
 849 static gint GnomeSetupMenu( intf_thread_t * p_intf )
 850 {
 851     es_descriptor_t *   p_audio_es;
 852     es_descriptor_t *   p_spu_es;
 853     GtkWidget *         p_menubar_menu;
 854     GtkWidget *         p_popup_menu;
 855     gint                i;
 856
 857     if( p_intf->p_input->stream.i_area_nb > 1 )
 858     {
 859         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 860                             p_intf->p_sys->p_window ), "menubar_title" ) );
 861         GnomeTitleMenu( p_intf, p_menubar_menu, on_menubar_title_toggle );
 862
 863         p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 864                              p_intf->p_sys->p_popup ), "popup_navigation" ) );
 865         GnomeTitleMenu( p_intf, p_popup_menu, on_popup_navigation_toggle );
 866
 867         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 868                              p_intf->p_sys->p_window ), "menubar_chapter" ) );
 869         GnomeChapterMenu( p_intf, p_menubar_menu, on_menubar_chapter_toggle );
 870     }
 871
 872     /* look for selected ES */
 873     p_audio_es = NULL;
 874     p_spu_es = NULL;
 875
 876     for( i = 0 ; i < p_intf->p_input->stream.i_selected_es_number ; i++ )
 877     {
 878         if( p_intf->p_input->stream.pp_selected_es[i]->i_cat == AUDIO_ES )
 879         {
 880             p_audio_es = p_intf->p_input->stream.pp_selected_es[i];
 881         }
 882
 883         if( p_intf->p_input->stream.pp_selected_es[i]->i_cat == SPU_ES )
 884         {
 885             p_spu_es = p_intf->p_input->stream.pp_selected_es[i];
 886         }
 887     }
 888
 889     /* audio menus */
 890
 891     /* find audio root menu */
 892     p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 893                          p_intf->p_sys->p_window ), "menubar_audio" ) );
 894
 895     p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 896                  p_intf->p_sys->p_popup ), "popup_audio" ) );
 897
 898     GnomeLanguageMenus( p_intf, p_menubar_menu, p_audio_es, AUDIO_ES,
 899                         on_menubar_audio_toggle );
 900     GnomeLanguageMenus( p_intf, p_popup_menu, p_audio_es, AUDIO_ES,
 901                         on_popup_audio_toggle );
 902
 903     /* sub picture menus */
 904
 905     /* find spu root menu */
 906     p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 907                       p_intf->p_sys->p_window ), "menubar_subtitle" ) );
 908
 909     p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 910                  p_intf->p_sys->p_popup ), "popup_subtitle" ) );
 911
 912     GnomeLanguageMenus( p_intf, p_menubar_menu, p_spu_es, SPU_ES,
 913                         on_menubar_subtitle_toggle  );
 914     GnomeLanguageMenus( p_intf, p_popup_menu, p_spu_es, SPU_ES,
 915                         on_popup_subtitle_toggle );
 916
 917     return TRUE;
 918 }
 919
 920 /*****************************************************************************
 921  * GnomeDisplayDate: display stream date
 922  *****************************************************************************
 923  * This function displays the current date related to the position in
 924  * the stream. It is called whenever the slider changes its value.
 925  *****************************************************************************/
 926 void GnomeDisplayDate( GtkAdjustment *p_adj )
 927 {
 928     intf_thread_t *p_intf;
 929
 930     p_intf = gtk_object_get_data( GTK_OBJECT( p_adj ), "p_intf" );
 931
 932     if( p_intf->p_input != NULL )
 933     {
 934 #define p_area p_intf->p_input->stream.p_selected_area
 935         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
 936
 937         vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
 938
 939         gtk_label_set_text( p_intf->p_sys->p_label_date,
 940                             input_OffsetToTime( p_intf->p_input, psz_time,
 941                                    ( p_area->i_size * p_adj->value ) / 100 ) );
 942
 943         vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
 944 #undef p_area
 945      }
 946 }
 947
 948
 949 /*****************************************************************************
 950  * GnomeDVDModeManage
 951  *****************************************************************************/
 952 static gint GnomeDVDModeManage( intf_thread_t * p_intf )
 953 {
 954     GtkWidget *     p_dvd_box;
 955     GtkWidget *     p_file_box;
 956     GtkWidget *     p_network_box;
 957
 958     p_file_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 959                  p_intf->p_sys->p_window ), "file_box" ) );
 960     gtk_widget_hide( GTK_WIDGET( p_file_box ) );
 961
 962     p_network_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 963                  p_intf->p_sys->p_window ), "network_box" ) );
 964     gtk_widget_hide( GTK_WIDGET( p_network_box ) );
 965
 966     p_dvd_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 967                  p_intf->p_sys->p_window ), "dvd_box" ) );
 968     gtk_widget_show( GTK_WIDGET( p_dvd_box ) );
 969
 970     gtk_label_set_text( p_intf->p_sys->p_label_status,
 971                         "Status: playing DVD" );
 972
 973     return TRUE;
 974 }
 975
 976 /*****************************************************************************
 977  * GnomeFileModeManage
 978  *****************************************************************************/
 979 static gint GnomeFileModeManage( intf_thread_t * p_intf )
 980 {
 981     GtkWidget *     p_dvd_box;
 982     GtkWidget *     p_file_box;
 983     GtkWidget *     p_network_box;
 984
 985     p_network_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 986                  p_intf->p_sys->p_window ), "network_box" ) );
 987     gtk_widget_hide( GTK_WIDGET( p_network_box ) );
 988
 989     p_dvd_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 990                  p_intf->p_sys->p_window ), "dvd_box" ) );
 991     gtk_widget_hide( GTK_WIDGET( p_dvd_box ) );
 992
 993     p_file_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 994                  p_intf->p_sys->p_window ), "file_box" ) );
 995     gtk_widget_show( GTK_WIDGET( p_file_box ) );
 996
 997     gtk_label_set_text( p_intf->p_sys->p_label_status,
 998                         "Status: foo" );
 999
1000     return TRUE;
1001 }
1002
1003 /*****************************************************************************
1004  * GnomeNetworkModeManage
1005  *****************************************************************************/
1006 static gint GnomeNetworkModeManage( intf_thread_t * p_intf )
1007 {
1008     GtkWidget *     p_dvd_box;
1009     GtkWidget *     p_file_box;
1010     GtkWidget *     p_network_box;
1011
1012     p_dvd_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1013                  p_intf->p_sys->p_window ), "dvd_box" ) );
1014     gtk_widget_hide( GTK_WIDGET( p_dvd_box ) );
1015
1016     p_file_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1017                  p_intf->p_sys->p_window ), "file_box" ) );
1018     gtk_widget_hide( GTK_WIDGET( p_file_box ) );
1019
1020     p_network_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1021                  p_intf->p_sys->p_window ), "network_box" ) );
1022     gtk_widget_show( GTK_WIDGET( p_network_box ) );
1023
1024     gtk_label_set_text( p_intf->p_sys->p_label_status,
1025                         "Status: waiting for stream" );
1026
1027     return TRUE;
1028 }