git.sesse.net Git - vlc/blob - plugins/gtk/intf_gtk.c

   1 /*****************************************************************************
   2  * intf_gtk.c: Gtk+ interface
   3  *****************************************************************************
   4  * Copyright (C) 1999, 2000 VideoLAN
   5  * $Id: intf_gtk.c,v 1.13 2001/04/13 01:49:22 henri Exp $
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.org>
   8  *          Stéphane Borel <stef@via.ecp.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 #define MODULE_NAME gtk
  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 <gtk/gtk.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 "gtk_callbacks.h"
  54 #include "gtk_interface.h"
  55 #include "gtk_support.h"
  56 #include "intf_gtk.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 GtkManage       ( gpointer p_data );
  69 static gint GtkLanguageMenus( gpointer, GtkWidget *, es_descriptor_t *, gint,
  70                               void (*pf_activate)(GtkMenuItem *, gpointer) );
  71 static gint GtkChapterMenu  ( gpointer, GtkWidget *,
  72                               void (*pf_activate)(GtkMenuItem *, gpointer) );
  73 static gint GtkTitleMenu    ( gpointer, GtkWidget *,
  74                               void (*pf_activate)(GtkMenuItem *, gpointer) );
  75 static void GtkDisplayDate  ( GtkAdjustment *p_adj );
  76
  77 void GtkPlayListManage( gpointer p_data );
  78
  79 /*****************************************************************************
  80  * g_atexit: kludge to avoid the Gtk+ thread to segfault at exit
  81  *****************************************************************************
  82  * gtk_init() makes several calls to g_atexit() which calls atexit() to
  83  * register tidying callbacks to be called at program exit. Since the Gtk+
  84  * plugin is likely to be unloaded at program exit, we have to export this
  85  * symbol to intercept the g_atexit() calls. Talk about crude hack.
  86  *****************************************************************************/
  87 void g_atexit( GVoidFunc func )
  88 {
  89     intf_thread_t *p_intf = p_main->p_intf;
  90
  91     if( p_intf->p_sys->pf_gdk_callback == NULL )
  92     {
  93         p_intf->p_sys->pf_gdk_callback = func;
  94     }
  95     else if( p_intf->p_sys->pf_gtk_callback == NULL )
  96     {
  97         p_intf->p_sys->pf_gtk_callback = func;
  98     }
  99     /* else nothing, but we could do something here */
 100     return;
 101 }
 102
 103 /*****************************************************************************
 104  * Functions exported as capabilities. They are declared as static so that
 105  * we don't pollute the namespace too much.
 106  *****************************************************************************/
 107 void _M( intf_getfunctions )( function_list_t * p_function_list )
 108 {
 109     p_function_list->pf_probe = intf_Probe;
 110     p_function_list->functions.intf.pf_open  = intf_Open;
 111     p_function_list->functions.intf.pf_close = intf_Close;
 112     p_function_list->functions.intf.pf_run   = intf_Run;
 113 }
 114
 115 /*****************************************************************************
 116  * intf_Probe: probe the interface and return a score
 117  *****************************************************************************
 118  * This function tries to initialize Gtk+ and returns a score to the
 119  * plugin manager so that it can select the best plugin.
 120  *****************************************************************************/
 121 static int intf_Probe( probedata_t *p_data )
 122 {
 123     if( TestMethod( INTF_METHOD_VAR, "gtk" ) )
 124     {
 125         return( 999 );
 126     }
 127
 128     if( TestProgram( "gvlc" ) )
 129     {
 130         return( 190 );
 131     }
 132
 133     return( 90 );
 134 }
 135
 136 /*****************************************************************************
 137  * intf_Open: initialize and create window
 138  *****************************************************************************/
 139 static int intf_Open( intf_thread_t *p_intf )
 140 {
 141     /* Allocate instance and initialize some members */
 142     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
 143     if( p_intf->p_sys == NULL )
 144     {
 145         intf_ErrMsg("error: %s", strerror(ENOMEM));
 146         return( 1 );
 147     }
 148
 149     /* Initialize Gtk+ thread */
 150     p_intf->p_sys->b_popup_changed = 0;
 151     p_intf->p_sys->b_window_changed = 0;
 152     p_intf->p_sys->b_playlist_changed = 0;
 153
 154     p_intf->p_sys->b_menus_update = 1;
 155     p_intf->p_sys->b_slider_free = 1;
 156
 157
 158     p_intf->p_sys->i_playing = -1;
 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: Gtk+ 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 Gtk+ interface at runtime.
 182  *****************************************************************************/
 183 static void intf_Run( intf_thread_t *p_intf )
 184 {
 185     /* gtk_init needs to know the command line. We don't care, so we
 186      * give it an empty one */
 187     char  *p_args[] = { "" };
 188     char **pp_args  = p_args;
 189     int    i_args   = 1;
 190
 191     /* The data types we are allowed to receive */
 192     static GtkTargetEntry target_table[] =
 193     {
 194         { "text/uri-list", 0, DROP_ACCEPT_TEXT_URI_LIST },
 195         { "text/plain", 0, DROP_ACCEPT_TEXT_PLAIN }
 196     };
 197
 198     /* intf_Manage callback timeout */
 199     int i_timeout;
 200
 201     /* Initialize Gtk+ */
 202     gtk_init( &i_args, &pp_args );
 203
 204     /* Create some useful widgets that will certainly be used */
 205     p_intf->p_sys->p_window = create_intf_window( );
 206     p_intf->p_sys->p_popup = create_intf_popup( );
 207     p_intf->p_sys->p_disc = create_intf_disc( );
 208     p_intf->p_sys->p_network = create_intf_network( );
 209     p_intf->p_sys->p_playlist = create_intf_playlist( );
 210
 211
 212     /* Set the title of the main window */
 213     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 214                           VOUT_TITLE " (Gtk+ interface)");
 215
 216     /* Accept file drops on the main window */
 217     gtk_drag_dest_set( GTK_WIDGET( p_intf->p_sys->p_window ),
 218                        GTK_DEST_DEFAULT_ALL, target_table,
 219                        1, GDK_ACTION_COPY );
 220
 221     /* Accept file drops on the playlist window */
 222     gtk_drag_dest_set( GTK_WIDGET( lookup_widget( p_intf->p_sys->p_playlist,
 223                                                   "playlist_clist") ),
 224                        GTK_DEST_DEFAULT_ALL, target_table,
 225                        1, GDK_ACTION_COPY );
 226
 227     /* Get the interface labels */
 228     #define P_LABEL( name ) GTK_LABEL( gtk_object_get_data( \
 229                          GTK_OBJECT( p_intf->p_sys->p_window ), name ) )
 230     p_intf->p_sys->p_label_date = P_LABEL( "label_date" );
 231     p_intf->p_sys->p_label_status = P_LABEL( "label_status" );
 232     #undef P_LABEL
 233
 234     /* Connect the date display to the slider */
 235     #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 236                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 237     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 238
 239     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 240                          GTK_SIGNAL_FUNC( GtkDisplayDate ), NULL );
 241     p_intf->p_sys->f_adj_oldvalue = 0;
 242     #undef P_SLIDER
 243
 244     /* We don't create these ones yet because we perhaps won't need them */
 245     p_intf->p_sys->p_about = NULL;
 246     p_intf->p_sys->p_modules = NULL;
 247     p_intf->p_sys->p_fileopen = NULL;
 248
 249     /* Store p_intf to keep an eye on it */
 250     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 251                          "p_intf", p_intf );
 252
 253     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_popup),
 254                          "p_intf", p_intf );
 255
 256     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_playlist),
 257                          "p_intf", p_intf );
 258
 259     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_disc),
 260                          "p_intf", p_intf );
 261
 262     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_network),
 263                          "p_intf", p_intf );
 264
 265     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
 266                          "p_intf", p_intf );
 267
 268     /* Show the control window */
 269     gtk_widget_show( p_intf->p_sys->p_window );
 270
 271     /* Sleep to avoid using all CPU - since some interfaces needs to access
 272      * keyboard events, a 100ms delay is a good compromise */
 273     i_timeout = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, GtkManage, p_intf );
 274
 275     /* Enter Gtk mode */
 276     gtk_main();
 277
 278     /* Remove the timeout */
 279     gtk_timeout_remove( i_timeout );
 280
 281     /* Launch stored callbacks */
 282     if( p_intf->p_sys->pf_gtk_callback != NULL )
 283     {
 284         p_intf->p_sys->pf_gtk_callback();
 285
 286         if( p_intf->p_sys->pf_gdk_callback != NULL )
 287         {
 288             p_intf->p_sys->pf_gdk_callback();
 289         }
 290     }
 291 }
 292
 293 /* following functions are local */
 294
 295 /*****************************************************************************
 296  * GtkManage: manage main thread messages
 297  *****************************************************************************
 298  * In this function, called approx. 10 times a second, we check what the
 299  * main program wanted to tell us.
 300  *****************************************************************************/
 301
 302 static gint GtkManage( gpointer p_data )
 303 {
 304 #define p_intf ((intf_thread_t *)p_data)
 305
 306     GtkPlayListManage( p_data );
 307
 308     vlc_mutex_lock( &p_intf->change_lock );
 309
 310     /* If the "display popup" flag has changed */
 311     if( p_intf->b_menu_change )
 312     {
 313         if( !GTK_IS_WIDGET( p_intf->p_sys->p_popup ) )
 314         {
 315             p_intf->p_sys->p_popup = create_intf_popup();
 316             gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_popup ),
 317                                  "p_popup", p_intf );
 318         }
 319         gtk_menu_popup( GTK_MENU( p_intf->p_sys->p_popup ),
 320                         NULL, NULL, NULL, NULL, 0, GDK_CURRENT_TIME );
 321         p_intf->b_menu_change = 0;
 322     }
 323
 324     if( p_intf->p_input != NULL )
 325     {
 326         /* Used by TS input when PMT changes */
 327         if( p_intf->p_input->stream.b_changed )
 328         {
 329             p_intf->p_sys->b_menus_update = 1;
 330             p_intf->p_input->stream.b_changed = 0;
 331             intf_WarnMsg( 2,
 332                           "Interface menus refreshed as stream has changed" );
 333         }
 334
 335     }
 336
 337     /* Update language/chapter menus after user request */
 338     if( p_intf->p_input != NULL && p_intf->p_sys->p_window != NULL &&
 339         p_intf->p_sys->b_menus_update )
 340     {
 341         es_descriptor_t *   p_audio_es;
 342         es_descriptor_t *   p_spu_es;
 343         GtkWidget *         p_menubar_menu;
 344         GtkWidget *         p_popup_menu;
 345         gint                i;
 346
 347         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 348                      p_intf->p_sys->p_window ), "menubar_title" ) );
 349
 350         GtkTitleMenu( p_intf, p_menubar_menu, on_menubar_title_activate );
 351
 352         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 353                      p_intf->p_sys->p_window ), "menubar_chapter" ) );
 354
 355         GtkChapterMenu( p_intf, p_menubar_menu, on_menubar_chapter_activate );
 356
 357         p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 358                      p_intf->p_sys->p_popup ), "popup_navigation" ) );
 359
 360         GtkTitleMenu( p_intf, p_popup_menu, on_popup_navigation_activate );
 361
 362         /* look for selected ES */
 363         p_audio_es = NULL;
 364         p_spu_es = NULL;
 365
 366         for( i = 0 ; i < p_intf->p_input->stream.i_selected_es_number ; i++ )
 367         {
 368             if( p_intf->p_input->stream.pp_es[i]->i_cat == AUDIO_ES )
 369             {
 370                 p_audio_es = p_intf->p_input->stream.pp_es[i];
 371             }
 372
 373             if( p_intf->p_input->stream.pp_es[i]->i_cat == SPU_ES )
 374             {
 375                 p_spu_es = p_intf->p_input->stream.pp_es[i];
 376             }
 377         }
 378
 379         /* audio menus */
 380
 381         /* find audio root menu */
 382         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 383                              p_intf->p_sys->p_window ), "menubar_audio" ) );
 384
 385         p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 386                      p_intf->p_sys->p_popup ), "popup_audio" ) );
 387
 388         GtkLanguageMenus( p_intf, p_menubar_menu, p_audio_es, AUDIO_ES,
 389                           on_menubar_audio_activate );
 390         GtkLanguageMenus( p_intf, p_popup_menu, p_audio_es, AUDIO_ES,
 391                           on_popup_audio_activate );
 392
 393         /* sub picture menus */
 394
 395         /* find spu root menu */
 396         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 397                           p_intf->p_sys->p_window ), "menubar_subpictures" ) );
 398
 399         p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 400                      p_intf->p_sys->p_popup ), "popup_subpictures" ) );
 401
 402         GtkLanguageMenus( p_intf, p_menubar_menu, p_spu_es, SPU_ES,
 403                           on_menubar_subpictures_activate  );
 404         GtkLanguageMenus( p_intf, p_popup_menu, p_spu_es, SPU_ES,
 405                           on_popup_subpictures_activate );
 406
 407         /* everything is ready */
 408         p_intf->p_sys->b_menus_update = 0;
 409     }
 410
 411     /* Manage the slider */
 412     if( p_intf->p_input != NULL )
 413     {
 414         float newvalue = p_intf->p_sys->p_adj->value;
 415
 416 #define p_area p_intf->p_input->stream.p_selected_area
 417         /* If the user hasn't touched the slider since the last time,
 418          * then the input can safely change it */
 419         if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 420         {
 421             /* Update the value */
 422             p_intf->p_sys->p_adj->value = p_intf->p_sys->f_adj_oldvalue =
 423                 ( 100. * p_area->i_tell ) / p_area->i_size;
 424
 425             gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 426                                      "value_changed" );
 427         }
 428         /* Otherwise, send message to the input if the user has
 429          * finished dragging the slider */
 430         else if( p_intf->p_sys->b_slider_free )
 431         {
 432             off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 433
 434             input_Seek( p_intf->p_input, i_seek );
 435
 436             /* Update the old value */
 437             p_intf->p_sys->f_adj_oldvalue = newvalue;
 438         }
 439 #undef p_area
 440     }
 441
 442     /* Manage core vlc functions through the callback */
 443     p_intf->pf_manage( p_intf );
 444
 445     if( p_intf->b_die )
 446     {
 447         vlc_mutex_unlock( &p_intf->change_lock );
 448
 449         /* Prepare to die, young Skywalker */
 450         gtk_main_quit();
 451
 452         /* Just in case */
 453         return( FALSE );
 454     }
 455
 456     vlc_mutex_unlock( &p_intf->change_lock );
 457
 458     return( TRUE );
 459
 460 #undef p_intf
 461 }
 462
 463 /*****************************************************************************
 464  * GtkMenuRadioItem: give a menu item adapted to language/title selection,
 465  * ie the menu item is a radio button.
 466  *****************************************************************************/
 467 static GtkWidget * GtkMenuRadioItem( GtkWidget * p_menu,
 468                                      GSList **   p_button_group,
 469                                      gint        b_active,
 470                                      char *      psz_name )
 471 {
 472     GtkWidget *     p_item;
 473
 474 #if 0
 475     GtkWidget *     p_button;
 476
 477     /* create button */
 478     p_button =
 479         gtk_radio_button_new_with_label( *p_button_group, psz_name );
 480
 481     /* add button to group */
 482     *p_button_group =
 483         gtk_radio_button_group( GTK_RADIO_BUTTON( p_button ) );
 484
 485     /* prepare button for display */
 486     gtk_widget_show( p_button );
 487
 488     /* create menu item to store button */
 489     p_item = gtk_menu_item_new();
 490
 491     /* put button inside item */
 492     gtk_container_add( GTK_CONTAINER( p_item ), p_button );
 493
 494     /* add item to menu */
 495     gtk_menu_append( GTK_MENU( p_menu ), p_item );
 496
 497           gtk_signal_connect( GTK_OBJECT( p_item ), "activate",
 498                GTK_SIGNAL_FUNC( on_audio_toggle ),
 499                NULL );
 500
 501
 502     /* prepare item for display */
 503     gtk_widget_show( p_item );
 504
 505     /* is it the selected item ? */
 506     if( b_active )
 507     {
 508         gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( p_button ), TRUE );
 509     }
 510 #else
 511     p_item = gtk_menu_item_new_with_label( psz_name );
 512     gtk_menu_append( GTK_MENU( p_menu ), p_item );
 513     gtk_widget_show( p_item );
 514 #endif
 515
 516     return p_item;
 517 }
 518
 519 /*****************************************************************************
 520  * GtkLanguageMenus: update interactive menus of the interface
 521  *****************************************************************************
 522  * Sets up menus with information from input:
 523  *  -languages
 524  *  -sub-pictures
 525  * Warning: since this function is designed to be called by management
 526  * function, the interface lock has to be taken
 527  *****************************************************************************/
 528 static gint GtkLanguageMenus( gpointer          p_data,
 529                               GtkWidget *       p_root,
 530                               es_descriptor_t * p_es,
 531                               gint              i_cat,
 532                         void(*pf_activate )( GtkMenuItem *, gpointer ) )
 533 {
 534     intf_thread_t *     p_intf;
 535     GtkWidget *         p_menu;
 536     GtkWidget *         p_separator;
 537     GtkWidget *         p_item;
 538     GSList *            p_button_group;
 539     char *              psz_name;
 540     gint                b_active;
 541     gint                i;
 542
 543
 544
 545     /* cast */
 546     p_intf = (intf_thread_t *)p_data;
 547
 548     vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
 549
 550     p_button_group = NULL;
 551
 552     /* menu container for audio */
 553     p_menu = gtk_menu_new();
 554
 555     /* create a set of language buttons and append them to the container */
 556     b_active = ( p_es == NULL );
 557     psz_name = "Off";
 558
 559     p_item = GtkMenuRadioItem( p_menu, &p_button_group, b_active, psz_name );
 560
 561     /* setup signal hanling */
 562     gtk_signal_connect( GTK_OBJECT( p_item ), "activate",
 563             GTK_SIGNAL_FUNC ( pf_activate ), NULL );
 564
 565     p_separator = gtk_menu_item_new();
 566     gtk_widget_show( p_separator );
 567     gtk_menu_append( GTK_MENU( p_menu ), p_separator );
 568     gtk_widget_set_sensitive( p_separator, FALSE );
 569
 570     for( i = 0 ; i < p_intf->p_input->stream.i_es_number ; i++ )
 571     {
 572         if( p_intf->p_input->stream.pp_es[i]->i_cat == i_cat )
 573         {
 574             b_active = ( p_es == p_intf->p_input->stream.pp_es[i] ) ? 1 : 0;
 575             psz_name = p_intf->p_input->stream.pp_es[i]->psz_desc;
 576
 577             p_item = GtkMenuRadioItem( p_menu, &p_button_group,
 578                                        b_active, psz_name );
 579
 580             /* setup signal hanling */
 581             gtk_signal_connect( GTK_OBJECT( p_item ), "activate",
 582                GTK_SIGNAL_FUNC( pf_activate ),
 583                  (gpointer)( p_intf->p_input->stream.pp_es[i] ) );
 584
 585         }
 586     }
 587
 588     /* link the new menu to the menubar item */
 589     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_root ), p_menu );
 590
 591     /* be sure that menu is sensitive */
 592     gtk_widget_set_sensitive( p_root, TRUE );
 593
 594     vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
 595
 596     return TRUE;
 597 }
 598
 599 /*****************************************************************************
 600  * GtkChapterMenu: generate chapter menu for current title
 601  *****************************************************************************/
 602 static gint GtkChapterMenu( gpointer p_data, GtkWidget * p_chapter,
 603                         void(*pf_activate )( GtkMenuItem *, gpointer ) )
 604 {
 605     intf_thread_t *     p_intf;
 606     char                psz_name[10];
 607     GtkWidget *         p_chapter_menu;
 608     GtkWidget *         p_item;
 609     GSList *            p_chapter_button_group;
 610     gint                i_title;
 611     gint                i_chapter;
 612     gint                b_active;
 613
 614     /* cast */
 615     p_intf = (intf_thread_t*)p_data;
 616
 617     i_title = p_intf->p_input->stream.p_selected_area->i_id;
 618     p_chapter_menu = gtk_menu_new();
 619
 620     for( i_chapter = 0;
 621          i_chapter < p_intf->p_input->stream.pp_areas[i_title]->i_part_nb ;
 622          i_chapter++ )
 623     {
 624         b_active = ( p_intf->p_input->stream.pp_areas[i_title]->i_part
 625                      == i_chapter + 1 ) ? 1 : 0;
 626
 627         sprintf( psz_name, "Chapter %d", i_chapter + 1 );
 628
 629         p_item = GtkMenuRadioItem( p_chapter_menu, &p_chapter_button_group,
 630                                    b_active, psz_name );
 631         /* setup signal hanling */
 632         gtk_signal_connect( GTK_OBJECT( p_item ),
 633                         "activate",
 634                         GTK_SIGNAL_FUNC( pf_activate ),
 635                         (gpointer)(i_chapter + 1) );
 636     }
 637
 638     /* link the new menu to the title menu item */
 639     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_chapter ),
 640                                p_chapter_menu );
 641
 642     /* be sure that chapter menu is sensitive */
 643     gtk_widget_set_sensitive( p_chapter, TRUE );
 644
 645     return TRUE;
 646 }
 647
 648 /*****************************************************************************
 649  * GtkTitleMenu: sets menus for titles and chapters selection
 650  *****************************************************************************
 651  * Generates two type of menus:
 652  *  -simple list of titles
 653  *  -cascaded lists of chapters for each title
 654  *****************************************************************************/
 655 static gint GtkTitleMenu( gpointer       p_data,
 656                           GtkWidget *    p_navigation,
 657                           void(*pf_activate )( GtkMenuItem *, gpointer ) )
 658 {
 659     intf_thread_t *     p_intf;
 660     char                psz_name[10];
 661     GtkWidget *         p_title_menu;
 662     GtkWidget *         p_title_item;
 663     GtkWidget *         p_chapter_menu;
 664     GtkWidget *         p_item;
 665     GSList *            p_title_button_group;
 666     GSList *            p_chapter_button_group;
 667     gint                i_title;
 668     gint                i_chapter;
 669     gint                b_active;
 670
 671     /* cast */
 672     p_intf = (intf_thread_t*)p_data;
 673
 674     p_title_menu = gtk_menu_new();
 675     p_title_button_group = NULL;
 676     p_chapter_button_group = NULL;
 677
 678     /* loop on titles */
 679     for( i_title = 1 ;
 680          i_title < p_intf->p_input->stream.i_area_nb ;
 681          i_title++ )
 682     {
 683         b_active = ( p_intf->p_input->stream.pp_areas[i_title] ==
 684                      p_intf->p_input->stream.p_selected_area ) ? 1 : 0;
 685         sprintf( psz_name, "Title %d", i_title );
 686
 687         p_title_item = GtkMenuRadioItem( p_title_menu, &p_title_button_group,
 688                                          b_active, psz_name );
 689
 690         if( pf_activate == on_menubar_title_activate )
 691         {
 692             /* setup signal hanling */
 693             gtk_signal_connect( GTK_OBJECT( p_title_item ),
 694                      "activate",
 695                      GTK_SIGNAL_FUNC( pf_activate ),
 696                      (gpointer)(p_intf->p_input->stream.pp_areas[i_title]) );
 697         }
 698         else
 699         {
 700             p_chapter_menu = gtk_menu_new();
 701
 702             for( i_chapter = 0;
 703                  i_chapter <
 704                         p_intf->p_input->stream.pp_areas[i_title]->i_part_nb ;
 705                  i_chapter++ )
 706             {
 707                 b_active = ( p_intf->p_input->stream.pp_areas[i_title]->i_part
 708                              == i_chapter + 1 ) ? 1 : 0;
 709
 710                 sprintf( psz_name, "Chapter %d", i_chapter + 1 );
 711
 712                 p_item = GtkMenuRadioItem( p_chapter_menu,
 713                                            &p_chapter_button_group,
 714                                            b_active, psz_name );
 715
 716                 /* setup signal hanling */
 717                 gtk_signal_connect( GTK_OBJECT( p_item ),
 718                            "activate",
 719                            GTK_SIGNAL_FUNC( pf_activate ),
 720                            (gpointer)( ( i_title * 100 ) + ( i_chapter + 1) ) );
 721         }
 722
 723         /* link the new menu to the title menu item */
 724         gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_item ),
 725                                    p_chapter_menu );
 726         }
 727
 728         /* be sure that chapter menu is sensitive */
 729         gtk_widget_set_sensitive( p_title_menu, TRUE );
 730
 731     }
 732
 733     /* link the new menu to the menubar audio item */
 734     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_navigation ), p_title_menu );
 735
 736     /* be sure that audio menu is sensitive */
 737     gtk_widget_set_sensitive( p_navigation, TRUE );
 738
 739
 740     return TRUE;
 741 }
 742
 743 void GtkDisplayDate( GtkAdjustment *p_adj )
 744 {
 745     intf_thread_t *p_intf;
 746
 747     p_intf = gtk_object_get_data( GTK_OBJECT( p_adj ), "p_intf" );
 748
 749     if( p_intf->p_input != NULL )
 750     {
 751 #define p_area p_intf->p_input->stream.p_selected_area
 752         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
 753
 754         vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
 755
 756         gtk_label_set_text( p_intf->p_sys->p_label_date,
 757                             input_OffsetToTime( p_intf->p_input, psz_time,
 758                                    ( p_area->i_size * p_adj->value ) / 100 ) );
 759
 760         vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
 761 #undef p_area
 762      }
 763 }
 764
 765