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 1.24 2001/04/01 07:31:38 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
  53 #include "gnome_callbacks.h"
  54 #include "gnome_interface.h"
  55 #include "gnome_support.h"
  56 #include "intf_gnome.h"
  57
  58 #include "main.h"
  59
  60 /*****************************************************************************
  61  * Local prototypes.
  62  *****************************************************************************/
  63 static int  intf_Probe     ( probedata_t *p_data );
  64 static int  intf_Open      ( intf_thread_t *p_intf );
  65 static void intf_Close     ( intf_thread_t *p_intf );
  66 static void intf_Run       ( intf_thread_t *p_intf );
  67
  68 static gint GnomeManage    ( gpointer p_data );
  69 static gint GnomeLanguageMenus( gpointer, GtkWidget *, es_descriptor_t *, gint,
  70                               void (*pf_toggle)(GtkCheckMenuItem *, gpointer) );
  71 static gint GnomeChapterMenu  ( gpointer, GtkWidget *,
  72                               void (*pf_toggle)(GtkCheckMenuItem *, gpointer) );
  73 static gint GnomeTitleMenu    ( gpointer, GtkWidget *,
  74                               void (*pf_toggle)(GtkCheckMenuItem *, gpointer) );
  75 static gint GnomeSetupMenu    ( intf_thread_t * p_intf );
  76 static void GnomeDisplayDate  ( GtkAdjustment *p_adj );
  77
  78 /*****************************************************************************
  79  * g_atexit: kludge to avoid the Gnome thread to segfault at exit
  80  *****************************************************************************
  81  * gtk_init() makes several calls to g_atexit() which calls atexit() to
  82  * register tidying callbacks to be called at program exit. Since the Gnome
  83  * plugin is likely to be unloaded at program exit, we have to export this
  84  * symbol to intercept the g_atexit() calls. Talk about crude hack.
  85  *****************************************************************************/
  86 void g_atexit( GVoidFunc func )
  87 {
  88     intf_thread_t *p_intf = p_main->p_intf;
  89
  90     if( p_intf->p_sys->pf_gdk_callback == NULL )
  91     {
  92         p_intf->p_sys->pf_gdk_callback = func;
  93     }
  94     else if( p_intf->p_sys->pf_gtk_callback == NULL )
  95     {
  96         p_intf->p_sys->pf_gtk_callback = func;
  97     }
  98     /* else nothing, but we could do something here */
  99     return;
 100 }
 101
 102 /*****************************************************************************
 103  * Functions exported as capabilities. They are declared as static so that
 104  * we don't pollute the namespace too much.
 105  *****************************************************************************/
 106 void _M( intf_getfunctions )( function_list_t * p_function_list )
 107 {
 108     p_function_list->pf_probe = intf_Probe;
 109     p_function_list->functions.intf.pf_open  = intf_Open;
 110     p_function_list->functions.intf.pf_close = intf_Close;
 111     p_function_list->functions.intf.pf_run   = intf_Run;
 112 }
 113
 114 /*****************************************************************************
 115  * intf_Probe: probe the interface and return a score
 116  *****************************************************************************
 117  * This function tries to initialize Gnome and returns a score to the
 118  * plugin manager so that it can select the best plugin.
 119  *****************************************************************************/
 120 static int intf_Probe( probedata_t *p_data )
 121 {
 122     if( TestMethod( INTF_METHOD_VAR, "gnome" ) )
 123     {
 124         return( 999 );
 125     }
 126
 127     return( 100 );
 128 }
 129
 130 /*****************************************************************************
 131  * intf_Open: initialize and create window
 132  *****************************************************************************/
 133 static int intf_Open( intf_thread_t *p_intf )
 134 {
 135     /* Allocate instance and initialize some members */
 136     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
 137     if( p_intf->p_sys == NULL )
 138     {
 139         intf_ErrMsg("error: %s", strerror(ENOMEM));
 140         return( 1 );
 141     }
 142
 143     /* Initialize Gnome thread */
 144     p_intf->p_sys->b_popup_changed = 0;
 145     p_intf->p_sys->b_window_changed = 0;
 146     p_intf->p_sys->b_playlist_changed = 0;
 147     p_intf->p_sys->b_menus_update = 1;
 148     p_intf->p_sys->b_menus_ready = 0;
 149
 150     p_intf->p_sys->b_slider_free = 1;
 151
 152     p_intf->p_sys->pf_gtk_callback = NULL;
 153     p_intf->p_sys->pf_gdk_callback = NULL;
 154
 155     return( 0 );
 156 }
 157
 158 /*****************************************************************************
 159  * intf_Close: destroy interface window
 160  *****************************************************************************/
 161 static void intf_Close( intf_thread_t *p_intf )
 162 {
 163     /* Destroy structure */
 164     free( p_intf->p_sys );
 165 }
 166
 167 /*****************************************************************************
 168  * intf_Run: Gnome thread
 169  *****************************************************************************
 170  * this part of the interface is in a separate thread so that we can call
 171  * gtk_main() from within it without annoying the rest of the program.
 172  * XXX: the approach may look kludgy, and probably is, but I could not find
 173  * a better way to dynamically load a Gnome interface at runtime.
 174  *****************************************************************************/
 175 static void intf_Run( intf_thread_t *p_intf )
 176 {
 177     /* gnome_init needs to know the command line. We don't care, so we
 178      * give it an empty one */
 179     char *p_args[] = { "" };
 180     int   i_args   = 1;
 181
 182     /* The data types we are allowed to receive */
 183     static GtkTargetEntry target_table[] =
 184     {
 185         { "text/uri-list", 0, DROP_ACCEPT_TEXT_URI_LIST },
 186         { "text/plain",    0, DROP_ACCEPT_TEXT_PLAIN }
 187     };
 188
 189     /* intf_Manage callback timeout */
 190     int i_timeout;
 191
 192     /* Initialize Gnome */
 193     gnome_init( p_main->psz_arg0, VERSION, i_args, p_args );
 194
 195     /* Create some useful widgets that will certainly be used */
 196     p_intf->p_sys->p_window = create_intf_window( );
 197     p_intf->p_sys->p_popup = create_intf_popup( );
 198     p_intf->p_sys->p_disc = create_intf_disc( );
 199     p_intf->p_sys->p_network = create_intf_network( );
 200
 201     /* Set the title of the main window */
 202     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 203                           VOUT_TITLE " (Gnome interface)");
 204
 205     /* Accept file drops on the main window */
 206     gtk_drag_dest_set( GTK_WIDGET( p_intf->p_sys->p_window ),
 207                        GTK_DEST_DEFAULT_ALL, target_table,
 208                        1, GDK_ACTION_COPY );
 209
 210     /* Get the interface labels */
 211     #define P_LABEL( name ) GTK_LABEL( gtk_object_get_data( \
 212                          GTK_OBJECT( p_intf->p_sys->p_window ), name ) )
 213     p_intf->p_sys->p_label_date = P_LABEL( "label_date" );
 214     p_intf->p_sys->p_label_status = P_LABEL( "label_status" );
 215     #undef P_LABEL
 216
 217     /* Connect the date display to the slider */
 218     #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 219                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 220     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 221
 222     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 223                          GTK_SIGNAL_FUNC( GnomeDisplayDate ), NULL );
 224     p_intf->p_sys->f_adj_oldvalue = 0;
 225     #undef P_SLIDER
 226
 227     /* We don't create these ones yet because we perhaps won't need them */
 228     p_intf->p_sys->p_about = NULL;
 229     p_intf->p_sys->p_playlist = NULL;
 230     p_intf->p_sys->p_modules = NULL;
 231     p_intf->p_sys->p_fileopen = NULL;
 232
 233     /* Store p_intf to keep an eye on it */
 234     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 235                          "p_intf", p_intf );
 236
 237     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_popup),
 238                          "p_intf", p_intf );
 239
 240     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_disc),
 241                          "p_intf", p_intf );
 242
 243     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_network),
 244                          "p_intf", p_intf );
 245
 246     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
 247                          "p_intf", p_intf );
 248
 249     /* Show the control window */
 250     gtk_widget_show( p_intf->p_sys->p_window );
 251
 252     /* Sleep to avoid using all CPU - since some interfaces needs to access
 253      * keyboard events, a 100ms delay is a good compromise */
 254     i_timeout = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, GnomeManage, p_intf );
 255
 256     /* Enter gnome mode */
 257     gtk_main();
 258
 259     /* Remove the timeout */
 260     gtk_timeout_remove( i_timeout );
 261
 262     /* Get rid of stored callbacks so we can unload the plugin */
 263     if( p_intf->p_sys->pf_gtk_callback != NULL )
 264     {
 265         p_intf->p_sys->pf_gtk_callback( );
 266         p_intf->p_sys->pf_gtk_callback = NULL;
 267
 268     }
 269
 270     if( p_intf->p_sys->pf_gdk_callback != NULL )
 271     {
 272         p_intf->p_sys->pf_gdk_callback( );
 273         p_intf->p_sys->pf_gdk_callback = NULL;
 274     }
 275 }
 276
 277 /* following functions are local */
 278
 279 /*****************************************************************************
 280  * GnomeManage: manage main thread messages
 281  *****************************************************************************
 282  * In this function, called approx. 10 times a second, we check what the
 283  * main program wanted to tell us.
 284  *****************************************************************************/
 285 static gint GnomeManage( gpointer p_data )
 286 {
 287 #define p_intf ((intf_thread_t *)p_data)
 288
 289     vlc_mutex_lock( &p_intf->change_lock );
 290
 291     /* If the "display popup" flag has changed */
 292     if( p_intf->b_menu_change )
 293     {
 294         gnome_popup_menu_do_popup( p_intf->p_sys->p_popup,
 295                                    NULL, NULL, NULL, NULL );
 296         p_intf->b_menu_change = 0;
 297     }
 298
 299     /* Update language/chapter menus after user request */
 300     if( p_intf->p_input != NULL && p_intf->p_sys->p_window != NULL &&
 301         p_intf->p_sys->b_menus_update )
 302     {
 303         p_intf->p_sys->b_menus_ready = 0;
 304         GnomeSetupMenu( p_intf );
 305         p_intf->p_sys->b_menus_ready = 1;
 306     }
 307
 308     /* Manage the slider */
 309     if( p_intf->p_input != NULL )
 310     {
 311         float newvalue = p_intf->p_sys->p_adj->value;
 312
 313 #define p_area p_intf->p_input->stream.p_selected_area
 314         /* If the user hasn't touched the slider since the last time,
 315          * then the input can safely change it */
 316         if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 317         {
 318             /* Update the value */
 319             p_intf->p_sys->p_adj->value = p_intf->p_sys->f_adj_oldvalue =
 320                 ( 100. * p_area->i_tell ) / p_area->i_size;
 321
 322             gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 323                                      "value_changed" );
 324         }
 325         /* Otherwise, send message to the input if the user has
 326          * finished dragging the slider */
 327         else if( p_intf->p_sys->b_slider_free )
 328         {
 329             off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 330
 331             input_Seek( p_intf->p_input, i_seek );
 332
 333             /* Update the old value */
 334             p_intf->p_sys->f_adj_oldvalue = newvalue;
 335         }
 336 #undef p_area
 337     }
 338
 339     /* Manage core vlc functions through the callback */
 340     p_intf->pf_manage( p_intf );
 341
 342     if( p_intf->b_die )
 343     {
 344         vlc_mutex_unlock( &p_intf->change_lock );
 345
 346         /* Prepare to die, young Skywalker */
 347         gtk_main_quit();
 348
 349         /* Just in case */
 350         return( FALSE );
 351     }
 352
 353     vlc_mutex_unlock( &p_intf->change_lock );
 354
 355     return( TRUE );
 356
 357 #undef p_intf
 358 }
 359
 360 /*****************************************************************************
 361  * GnomeLanguageMenus: update interactive menus of the interface
 362  *****************************************************************************
 363  * Sets up menus with information from input:
 364  *  -languages
 365  *  -sub-pictures
 366  * Warning: since this function is designed to be called by management
 367  * function, the interface lock has to be taken
 368  *****************************************************************************/
 369 static gint GnomeLanguageMenus( gpointer          p_data,
 370                                 GtkWidget *       p_root,
 371                                 es_descriptor_t * p_es,
 372                                 gint              i_type,
 373                           void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 374 {
 375     intf_thread_t *     p_intf;
 376     GtkWidget *         p_menu;
 377     GtkWidget *         p_separator;
 378     GtkWidget *         p_item;
 379     GtkWidget *         p_item_active;
 380     GSList *            p_group;
 381     char *              psz_name;
 382     gint                b_audio;
 383     gint                b_spu;
 384     gint                i_item;
 385     gint                i;
 386
 387
 388
 389     /* cast */
 390     p_intf = (intf_thread_t *)p_data;
 391
 392     /* removes previous menu */
 393     gtk_menu_item_remove_submenu( GTK_MENU_ITEM( p_root ) );
 394     gtk_widget_set_sensitive( p_root, FALSE );
 395
 396     p_group = NULL;
 397
 398     /* menu container */
 399     p_menu = gtk_menu_new();
 400
 401     /* special case for "off" item */
 402     psz_name = "Off";
 403
 404     p_item = gtk_radio_menu_item_new_with_label( p_group, psz_name );
 405     p_group = gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 406
 407     gtk_widget_show( p_item );
 408
 409     /* signal hanling for off */
 410     gtk_signal_connect( GTK_OBJECT( p_item ), "toggled",
 411                         GTK_SIGNAL_FUNC ( pf_toggle ), NULL );
 412
 413     gtk_menu_append( GTK_MENU( p_menu ), p_item );
 414
 415     p_separator = gtk_menu_item_new();
 416     gtk_widget_set_sensitive( p_separator, FALSE );
 417     gtk_widget_show( p_separator );
 418     gtk_menu_append( GTK_MENU( p_menu ), p_separator );
 419
 420     vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
 421     p_item_active = NULL;
 422     i_item = 0;
 423
 424     /* create a set of language buttons and append them to the container */
 425     for( i = 0 ; i < p_intf->p_input->stream.i_es_number ; i++ )
 426     {
 427
 428         b_audio = ( i_type == 1 ) && p_intf->p_input->stream.pp_es[i]->b_audio;
 429         b_spu   = ( i_type == 2 ) && p_intf->p_input->stream.pp_es[i]->b_spu;
 430
 431         if( b_audio || b_spu )
 432         {
 433             i_item++;
 434             psz_name = p_intf->p_input->stream.pp_es[i]->psz_desc;
 435             if( psz_name[0] == '\0' )
 436             {
 437                 sprintf( psz_name, "Language %d", i_item );
 438             }
 439
 440             p_item = gtk_radio_menu_item_new_with_label( p_group, psz_name );
 441             p_group =
 442                 gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 443
 444             if( p_es == p_intf->p_input->stream.pp_es[i] )
 445             {
 446                 /* don't lose p_item when we append into menu */
 447                 p_item_active = p_item;
 448                 gtk_object_ref( GTK_OBJECT( p_item_active ) );
 449             }
 450
 451             gtk_widget_show( p_item );
 452
 453             /* setup signal hanling */
 454             gtk_signal_connect( GTK_OBJECT( p_item ), "toggled",
 455                             GTK_SIGNAL_FUNC( pf_toggle ),
 456                             (gpointer)( p_intf->p_input->stream.pp_es[i] ) );
 457
 458             gtk_menu_append( GTK_MENU( p_menu ), p_item );
 459         }
 460     }
 461
 462     vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
 463
 464     /* link the new menu to the menubar item */
 465     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_root ), p_menu );
 466
 467     /* acitvation will call signals so we can only do it
 468      * when submenu is attached to menu - to get intf_window */
 469     if( p_item_active != NULL )
 470     {
 471         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_active ),
 472                                         TRUE );
 473         gtk_object_unref( GTK_OBJECT( p_item_active ) );
 474     }
 475
 476     /* be sure that menu is sensitive if non empty */
 477     if( i_item > 0 )
 478     {
 479         gtk_widget_set_sensitive( p_root, TRUE );
 480     }
 481
 482     return TRUE;
 483 }
 484
 485 /*****************************************************************************
 486  * GnomeChapterMenu: generate chapter menu for current title
 487  *****************************************************************************/
 488 static gint GnomeChapterMenu( gpointer p_data, GtkWidget * p_chapter,
 489                         void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 490 {
 491     intf_thread_t *     p_intf;
 492     char                psz_name[10];
 493     GtkWidget *         p_chapter_menu;
 494     GtkWidget *         p_chapter_submenu;
 495     GtkWidget *         p_menu_item;
 496     GtkWidget *         p_item;
 497     GtkWidget *         p_item_selected;
 498     GSList *            p_chapter_group;
 499     gint                i_title;
 500     gint                i_chapter;
 501     gint                i_nb;
 502
 503     /* cast */
 504     p_intf = (intf_thread_t*)p_data;
 505
 506     /* removes previous menu */
 507     gtk_menu_item_remove_submenu( GTK_MENU_ITEM( p_chapter ) );
 508     gtk_widget_set_sensitive( p_chapter, FALSE );
 509
 510     p_chapter_submenu = NULL;
 511     p_chapter_group = NULL;
 512     p_item_selected = NULL;
 513     p_menu_item = NULL;
 514
 515     i_title = p_intf->p_input->stream.p_selected_area->i_id;
 516     p_chapter_menu = gtk_menu_new();
 517     i_nb = p_intf->p_input->stream.pp_areas[i_title]->i_part_nb;
 518
 519     for( i_chapter = 0 ; i_chapter < i_nb ; i_chapter++ )
 520     {
 521         /* we group chapters in packets of ten for small screens */
 522         if( ( i_chapter % 10 == 0 ) )// && ( i_nb > 20 ) )
 523         {
 524             if( i_chapter != 0 )
 525             {
 526                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_menu_item ),
 527                                            p_chapter_submenu );
 528                 gtk_menu_append( GTK_MENU( p_chapter_menu ), p_menu_item );
 529             }
 530
 531             sprintf( psz_name, "%d - %d", i_chapter + 1, i_chapter + 10);
 532             p_menu_item = gtk_menu_item_new_with_label( psz_name );
 533             gtk_widget_show( p_menu_item );
 534             p_chapter_submenu = gtk_menu_new();
 535         }
 536
 537         sprintf( psz_name, "Chapter %d", i_chapter + 1 );
 538
 539         p_item = gtk_radio_menu_item_new_with_label( p_chapter_group,
 540                                                      psz_name );
 541         p_chapter_group =
 542             gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 543
 544         if( p_intf->p_input->stream.pp_areas[i_title]->i_part
 545                      == i_chapter + 1 )
 546         {
 547             p_item_selected = p_item;
 548             gtk_object_ref( GTK_OBJECT( p_item_selected ) );
 549         }
 550
 551         gtk_widget_show( p_item );
 552
 553         /* setup signal hanling */
 554         gtk_signal_connect( GTK_OBJECT( p_item ),
 555                         "toggled",
 556                         GTK_SIGNAL_FUNC( pf_toggle ),
 557                         (gpointer)(i_chapter + 1) );
 558
 559         gtk_menu_append( GTK_MENU( p_chapter_submenu ), p_item );
 560     }
 561
 562     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_menu_item ),
 563                                p_chapter_submenu );
 564     gtk_menu_append( GTK_MENU( p_chapter_menu ), p_menu_item );
 565
 566
 567     /* link the new menu to the title menu item */
 568     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_chapter ),
 569                                p_chapter_menu );
 570
 571     /* toggle currently selected chapter */
 572     if( p_item_selected != NULL )
 573     {
 574         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_selected ),
 575                                         TRUE );
 576         gtk_object_unref( GTK_OBJECT( p_item_selected ) );
 577     }
 578
 579     /* be sure that chapter menu is sensitive, if there are several items */
 580     if( p_intf->p_input->stream.pp_areas[i_title]->i_part_nb > 1 )
 581     {
 582         gtk_widget_set_sensitive( p_chapter, TRUE );
 583     }
 584
 585     return TRUE;
 586 }
 587
 588 /*****************************************************************************
 589  * GnomeTitleMenu: sets menus for titles and chapters selection
 590  *****************************************************************************
 591  * Generates two types of menus:
 592  *  -simple list of titles
 593  *  -cascaded lists of chapters for each title
 594  *****************************************************************************/
 595 static gint GnomeTitleMenu( gpointer       p_data,
 596                             GtkWidget *    p_navigation,
 597                             void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 598 {
 599     intf_thread_t *     p_intf;
 600     char                psz_name[10];
 601     GtkWidget *         p_title_menu;
 602     GtkWidget *         p_title_submenu;
 603     GtkWidget *         p_title_item;
 604     GtkWidget *         p_item_active;
 605     GtkWidget *         p_chapter_menu;
 606     GtkWidget *         p_chapter_submenu;
 607     GtkWidget *         p_title_menu_item;
 608     GtkWidget *         p_chapter_menu_item;
 609     GtkWidget *         p_item;
 610     GSList *            p_title_group;
 611     GSList *            p_chapter_group;
 612     gint                i_title;
 613     gint                i_chapter;
 614     gint                i_nb;
 615
 616     /* cast */
 617     p_intf = (intf_thread_t*)p_data;
 618
 619     p_title_menu = gtk_menu_new();
 620     p_title_group = NULL;
 621     p_title_submenu = NULL;
 622     p_title_menu_item = NULL;
 623     p_chapter_group = NULL;
 624     p_chapter_submenu = NULL;
 625     p_chapter_menu_item = NULL;
 626     p_item_active = NULL;
 627     i_nb = p_intf->p_input->stream.i_area_nb;
 628
 629     /* loop on titles */
 630     for( i_title = 1 ; i_title < i_nb ; i_title++ )
 631     {
 632         /* we group titles in packets of ten for small screens */
 633         if( ( i_title % 10 == 1 ))// && ( i_nb > 20 ) )
 634         {
 635             if( i_title != 1 )
 636             {
 637                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_menu_item ),
 638                                            p_title_submenu );
 639                 gtk_menu_append( GTK_MENU( p_title_menu ), p_title_menu_item );
 640             }
 641
 642             sprintf( psz_name, "%d - %d", i_title, i_title + 9 );
 643             p_title_menu_item = gtk_menu_item_new_with_label( psz_name );
 644             gtk_widget_show( p_title_menu_item );
 645             p_title_submenu = gtk_menu_new();
 646         }
 647
 648         sprintf( psz_name, "Title %d", i_title );
 649
 650         if( pf_toggle == on_menubar_title_toggle )
 651         {
 652             p_title_item = gtk_radio_menu_item_new_with_label( p_title_group,
 653                                                            psz_name );
 654             p_title_group =
 655               gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_title_item ) );
 656
 657             if( p_intf->p_input->stream.pp_areas[i_title] ==
 658                          p_intf->p_input->stream.p_selected_area )
 659             {
 660                 p_item_active = p_title_item;
 661                 gtk_object_ref( GTK_OBJECT( p_item_active ) );
 662             }
 663
 664             /* setup signal hanling */
 665             gtk_signal_connect( GTK_OBJECT( p_title_item ),
 666                      "toggled",
 667                      GTK_SIGNAL_FUNC( pf_toggle ),
 668                      (gpointer)(p_intf->p_input->stream.pp_areas[i_title]) );
 669
 670             if( p_intf->p_input->stream.i_area_nb > 1 )
 671             {
 672                 /* be sure that menu is sensitive */
 673                 gtk_widget_set_sensitive( p_navigation, TRUE );
 674             }
 675         }
 676         else
 677         {
 678
 679             p_title_item = gtk_menu_item_new_with_label( psz_name );
 680             p_chapter_menu = gtk_menu_new();
 681
 682             for( i_chapter = 0;
 683                  i_chapter <
 684                         p_intf->p_input->stream.pp_areas[i_title]->i_part_nb ;
 685                  i_chapter++ )
 686             {
 687                 /* we group chapters in packets of ten for small screens */
 688                 if( ( i_chapter % 10 == 0 ) )// && ( i_nb > 20 ) )
 689                 {
 690                     if( i_chapter != 0 )
 691                     {
 692                         gtk_menu_item_set_submenu(
 693                                     GTK_MENU_ITEM( p_chapter_menu_item ),
 694                                     p_chapter_submenu );
 695                         gtk_menu_append( GTK_MENU( p_chapter_menu ),
 696                                          p_chapter_menu_item );
 697                     }
 698
 699                     sprintf( psz_name, "%d - %d", i_chapter + 1,
 700                                                   i_chapter + 10);
 701                     p_chapter_menu_item =
 702                             gtk_menu_item_new_with_label( psz_name );
 703                     gtk_widget_show( p_chapter_menu_item );
 704                     p_chapter_submenu = gtk_menu_new();
 705                 }
 706
 707                 sprintf( psz_name, "Chapter %d", i_chapter + 1 );
 708
 709                 p_item = gtk_radio_menu_item_new_with_label(
 710                                                 p_chapter_group, psz_name );
 711                 p_chapter_group = gtk_radio_menu_item_group(
 712                                                 GTK_RADIO_MENU_ITEM( p_item ) );
 713                 gtk_widget_show( p_item );
 714
 715                 if( p_intf->p_input->stream.pp_areas[i_title]->i_part
 716                              == i_chapter + 1 )
 717                 {
 718                     p_item_active = p_item;
 719                     gtk_object_ref( GTK_OBJECT( p_item_active ) );
 720                 }
 721
 722                 /* setup signal hanling */
 723                 gtk_signal_connect( GTK_OBJECT( p_item ),
 724                            "toggled",
 725                            GTK_SIGNAL_FUNC( pf_toggle ),
 726                            (gpointer)( ( i_title * 100 ) + ( i_chapter + 1) ) );
 727
 728                 gtk_menu_append( GTK_MENU( p_chapter_submenu ), p_item );
 729             }
 730
 731             gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_chapter_menu_item ),
 732                                        p_chapter_submenu );
 733             gtk_menu_append( GTK_MENU( p_chapter_menu ), p_chapter_menu_item );
 734
 735             /* link the new menu to the title menu item */
 736             gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_item ),
 737                                        p_chapter_menu );
 738
 739             if( p_intf->p_input->stream.pp_areas[i_title]->i_part_nb > 1 )
 740             {
 741                 /* be sure that menu is sensitive */
 742                 gtk_widget_set_sensitive( p_navigation, TRUE );
 743             }
 744         }
 745         gtk_widget_show( p_title_item );
 746
 747         gtk_menu_append( GTK_MENU( p_title_submenu ), p_title_item );
 748     }
 749
 750     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_menu_item ),
 751                                p_title_submenu );
 752     gtk_menu_append( GTK_MENU( p_title_menu ), p_title_menu_item );
 753
 754     /* be sure that menu is sensitive */
 755     gtk_widget_set_sensitive( p_title_menu, TRUE );
 756
 757     /* link the new menu to the menubar item */
 758     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_navigation ), p_title_menu );
 759
 760     if( p_item_active != NULL )
 761     {
 762         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_active ),
 763                                         TRUE );
 764         gtk_object_unref( GTK_OBJECT( p_item_active ) );
 765     }
 766
 767
 768     return TRUE;
 769 }
 770
 771 /*****************************************************************************
 772  * GnomeSetupMenu: function that generates title/chapter/audio/subpic
 773  * menus with help from preceding functions
 774  *****************************************************************************/
 775 static gint GnomeSetupMenu( intf_thread_t * p_intf )
 776 {
 777     es_descriptor_t *   p_audio_es;
 778     es_descriptor_t *   p_spu_es;
 779     GtkWidget *         p_menubar_menu;
 780     GtkWidget *         p_popup_menu;
 781     gint                i;
 782
 783     vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
 784
 785     if( p_intf->p_input->stream.i_area_nb > 1 )
 786     {
 787         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 788                             p_intf->p_sys->p_window ), "menubar_title" ) );
 789         GnomeTitleMenu( p_intf, p_menubar_menu, on_menubar_title_toggle );
 790
 791         p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 792                              p_intf->p_sys->p_popup ), "popup_navigation" ) );
 793         GnomeTitleMenu( p_intf, p_popup_menu, on_popup_navigation_toggle );
 794
 795         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 796                              p_intf->p_sys->p_window ), "menubar_chapter" ) );
 797         GnomeChapterMenu( p_intf, p_menubar_menu, on_menubar_chapter_toggle );
 798     }
 799
 800     /* look for selected ES */
 801     p_audio_es = NULL;
 802     p_spu_es = NULL;
 803
 804     for( i = 0 ; i < p_intf->p_input->stream.i_selected_es_number ; i++ )
 805     {
 806         if( p_intf->p_input->stream.pp_selected_es[i]->b_audio )
 807         {
 808             p_audio_es = p_intf->p_input->stream.pp_selected_es[i];
 809         }
 810
 811         if( p_intf->p_input->stream.pp_selected_es[i]->b_spu )
 812         {
 813             p_spu_es = p_intf->p_input->stream.pp_selected_es[i];
 814         }
 815     }
 816
 817     vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
 818
 819     /* audio menus */
 820
 821     /* find audio root menu */
 822     p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 823                          p_intf->p_sys->p_window ), "menubar_audio" ) );
 824
 825     p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 826                  p_intf->p_sys->p_popup ), "popup_audio" ) );
 827
 828     GnomeLanguageMenus( p_intf, p_menubar_menu, p_audio_es, 1,
 829                         on_menubar_audio_toggle );
 830     GnomeLanguageMenus( p_intf, p_popup_menu, p_audio_es, 1,
 831                         on_popup_audio_toggle );
 832
 833     /* sub picture menus */
 834
 835     /* find spu root menu */
 836     p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 837                       p_intf->p_sys->p_window ), "menubar_subtitle" ) );
 838
 839     p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 840                  p_intf->p_sys->p_popup ), "popup_subtitle" ) );
 841
 842     GnomeLanguageMenus( p_intf, p_menubar_menu, p_spu_es, 2,
 843                         on_menubar_subtitle_toggle  );
 844     GnomeLanguageMenus( p_intf, p_popup_menu, p_spu_es, 2,
 845                         on_popup_subtitle_toggle );
 846
 847     /* everything is ready */
 848     p_intf->p_sys->b_menus_update = 0;
 849
 850     return TRUE;
 851 }
 852
 853 /*****************************************************************************
 854  * GnomeDisplayDate: display stream date
 855  *****************************************************************************
 856  * This function displays the current date related to the position in
 857  * the stream. It is called whenever the slider changes its value.
 858  *****************************************************************************/
 859 void GnomeDisplayDate( GtkAdjustment *p_adj )
 860 {
 861     intf_thread_t *p_intf;
 862
 863     p_intf = gtk_object_get_data( GTK_OBJECT( p_adj ), "p_intf" );
 864
 865     if( p_intf->p_input != NULL )
 866     {
 867 #define p_area p_intf->p_input->stream.p_selected_area
 868         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
 869
 870         vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
 871
 872         gtk_label_set_text( p_intf->p_sys->p_label_date,
 873                             input_OffsetToTime( p_intf->p_input, psz_time,
 874                                    ( p_area->i_size * p_adj->value ) / 100 ) );
 875
 876         vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
 877 #undef p_area
 878      }
 879 }
 880
 881