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 1.33 2001/04/29 02:48:51 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 GnomeAngleMenu    ( gpointer, GtkWidget *,
  75                               void (*pf_toggle)(GtkCheckMenuItem *, gpointer) );
  76 static gint GnomeTitleMenu    ( gpointer, GtkWidget *,
  77                               void (*pf_toggle)(GtkCheckMenuItem *, gpointer) );
  78 static gint GnomeSetupMenu    ( intf_thread_t * p_intf );
  79 static void GnomeDisplayDate  ( GtkAdjustment *p_adj );
  80 static gint GnomeDiscModeManage( intf_thread_t * p_intf );
  81 static gint GnomeFileModeManage( intf_thread_t * p_intf );
  82 static gint GnomeNetworkModeManage( intf_thread_t * p_intf );
  83
  84 /*****************************************************************************
  85  * g_atexit: kludge to avoid the Gnome thread to segfault at exit
  86  *****************************************************************************
  87  * gtk_init() makes several calls to g_atexit() which calls atexit() to
  88  * register tidying callbacks to be called at program exit. Since the Gnome
  89  * plugin is likely to be unloaded at program exit, we have to export this
  90  * symbol to intercept the g_atexit() calls. Talk about crude hack.
  91  *****************************************************************************/
  92 void g_atexit( GVoidFunc func )
  93 {
  94     intf_thread_t *p_intf = p_main->p_intf;
  95
  96     if( p_intf->p_sys->pf_gdk_callback == NULL )
  97     {
  98         p_intf->p_sys->pf_gdk_callback = func;
  99     }
 100     else if( p_intf->p_sys->pf_gtk_callback == NULL )
 101     {
 102         p_intf->p_sys->pf_gtk_callback = func;
 103     }
 104     /* else nothing, but we could do something here */
 105     return;
 106 }
 107
 108 /*****************************************************************************
 109  * Functions exported as capabilities. They are declared as static so that
 110  * we don't pollute the namespace too much.
 111  *****************************************************************************/
 112 void _M( intf_getfunctions )( function_list_t * p_function_list )
 113 {
 114     p_function_list->pf_probe = intf_Probe;
 115     p_function_list->functions.intf.pf_open  = intf_Open;
 116     p_function_list->functions.intf.pf_close = intf_Close;
 117     p_function_list->functions.intf.pf_run   = intf_Run;
 118 }
 119
 120 /*****************************************************************************
 121  * intf_Probe: probe the interface and return a score
 122  *****************************************************************************
 123  * This function tries to initialize Gnome and returns a score to the
 124  * plugin manager so that it can select the best plugin.
 125  *****************************************************************************/
 126 static int intf_Probe( probedata_t *p_data )
 127 {
 128     if( TestMethod( INTF_METHOD_VAR, "gnome" ) )
 129     {
 130         return( 999 );
 131     }
 132
 133     if( TestProgram( "gnome-vlc" ) )
 134     {
 135         return( 200 );
 136     }
 137
 138     return( 100 );
 139 }
 140
 141 /*****************************************************************************
 142  * intf_Open: initialize and create window
 143  *****************************************************************************/
 144 static int intf_Open( intf_thread_t *p_intf )
 145 {
 146     /* Allocate instance and initialize some members */
 147     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
 148     if( p_intf->p_sys == NULL )
 149     {
 150         intf_ErrMsg("error: %s", strerror(ENOMEM));
 151         return( 1 );
 152     }
 153
 154     /* Initialize Gnome thread */
 155     p_intf->p_sys->b_popup_changed = 0;
 156     p_intf->p_sys->b_window_changed = 0;
 157     p_intf->p_sys->b_playlist_changed = 0;
 158
 159     p_intf->p_sys->b_slider_free = 1;
 160
 161     p_intf->p_sys->b_mode_changed = 1;
 162     p_intf->p_sys->i_intf_mode = FILE_MODE;
 163
 164     p_intf->p_sys->pf_gtk_callback = NULL;
 165     p_intf->p_sys->pf_gdk_callback = NULL;
 166
 167     return( 0 );
 168 }
 169
 170 /*****************************************************************************
 171  * intf_Close: destroy interface window
 172  *****************************************************************************/
 173 static void intf_Close( intf_thread_t *p_intf )
 174 {
 175     /* Destroy structure */
 176     free( p_intf->p_sys );
 177 }
 178
 179 /*****************************************************************************
 180  * intf_Run: Gnome thread
 181  *****************************************************************************
 182  * this part of the interface is in a separate thread so that we can call
 183  * gtk_main() from within it without annoying the rest of the program.
 184  * XXX: the approach may look kludgy, and probably is, but I could not find
 185  * a better way to dynamically load a Gnome interface at runtime.
 186  *****************************************************************************/
 187 static void intf_Run( intf_thread_t *p_intf )
 188 {
 189     /* gnome_init needs to know the command line. We don't care, so we
 190      * give it an empty one */
 191     char *p_args[] = { "" };
 192     int   i_args   = 1;
 193
 194     /* The data types we are allowed to receive */
 195     static GtkTargetEntry target_table[] =
 196     {
 197         { "text/uri-list", 0, DROP_ACCEPT_TEXT_URI_LIST },
 198         { "text/plain",    0, DROP_ACCEPT_TEXT_PLAIN }
 199     };
 200
 201     /* intf_Manage callback timeout */
 202     int i_timeout;
 203
 204     /* Initialize Gnome */
 205     gnome_init( p_main->psz_arg0, VERSION, i_args, p_args );
 206
 207     /* Create some useful widgets that will certainly be used */
 208     p_intf->p_sys->p_window = create_intf_window( );
 209     p_intf->p_sys->p_popup = create_intf_popup( );
 210     p_intf->p_sys->p_disc = create_intf_disc( );
 211     p_intf->p_sys->p_network = create_intf_network( );
 212
 213     /* Set the title of the main window */
 214     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 215                           VOUT_TITLE " (Gnome interface)");
 216
 217     /* Accept file drops on the main window */
 218     gtk_drag_dest_set( GTK_WIDGET( p_intf->p_sys->p_window ),
 219                        GTK_DEST_DEFAULT_ALL, target_table,
 220                        1, GDK_ACTION_COPY );
 221
 222     /* Get the interface labels */
 223     #define P_LABEL( name ) GTK_LABEL( gtk_object_get_data( \
 224                          GTK_OBJECT( p_intf->p_sys->p_window ), name ) )
 225     p_intf->p_sys->p_label_date = P_LABEL( "label_date" );
 226     p_intf->p_sys->p_label_status = P_LABEL( "label_status" );
 227     p_intf->p_sys->p_label_title = P_LABEL( "label_title" );
 228     p_intf->p_sys->p_label_chapter = P_LABEL( "label_chapter" );
 229     #undef P_LABEL
 230
 231     /* Connect the date display to the slider */
 232     #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 233                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 234     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 235
 236     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 237                          GTK_SIGNAL_FUNC( GnomeDisplayDate ), NULL );
 238     p_intf->p_sys->f_adj_oldvalue = 0;
 239     #undef P_SLIDER
 240
 241     /* We don't create these ones yet because we perhaps won't need them */
 242     p_intf->p_sys->p_about = NULL;
 243     p_intf->p_sys->p_playlist = NULL;
 244     p_intf->p_sys->p_modules = NULL;
 245     p_intf->p_sys->p_fileopen = NULL;
 246
 247     /* Store p_intf to keep an eye on it */
 248     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 249                          "p_intf", p_intf );
 250
 251     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_popup),
 252                          "p_intf", p_intf );
 253
 254     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_disc),
 255                          "p_intf", p_intf );
 256
 257     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_network),
 258                          "p_intf", p_intf );
 259
 260     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
 261                          "p_intf", p_intf );
 262
 263     /* Show the control window */
 264     gtk_widget_show( p_intf->p_sys->p_window );
 265
 266     /* Sleep to avoid using all CPU - since some interfaces needs to access
 267      * keyboard events, a 100ms delay is a good compromise */
 268     i_timeout = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, GnomeManage, p_intf );
 269
 270     /* Enter gnome mode */
 271     gtk_main();
 272
 273     /* Remove the timeout */
 274     gtk_timeout_remove( i_timeout );
 275
 276     /* Get rid of stored callbacks so we can unload the plugin */
 277     if( p_intf->p_sys->pf_gtk_callback != NULL )
 278     {
 279         p_intf->p_sys->pf_gtk_callback( );
 280         p_intf->p_sys->pf_gtk_callback = NULL;
 281
 282     }
 283
 284     if( p_intf->p_sys->pf_gdk_callback != NULL )
 285     {
 286         p_intf->p_sys->pf_gdk_callback( );
 287         p_intf->p_sys->pf_gdk_callback = NULL;
 288     }
 289 }
 290
 291 /* following functions are local */
 292
 293 /*****************************************************************************
 294  * GnomeManage: manage main thread messages
 295  *****************************************************************************
 296  * In this function, called approx. 10 times a second, we check what the
 297  * main program wanted to tell us.
 298  *****************************************************************************/
 299 static gint GnomeManage( gpointer p_data )
 300 {
 301 #define p_intf ((intf_thread_t *)p_data)
 302
 303     vlc_mutex_lock( &p_intf->change_lock );
 304
 305     /* If the "display popup" flag has changed */
 306     if( p_intf->b_menu_change )
 307     {
 308         gnome_popup_menu_do_popup( p_intf->p_sys->p_popup,
 309                                    NULL, NULL, NULL, NULL );
 310         p_intf->b_menu_change = 0;
 311     }
 312
 313     if( p_intf->p_input != NULL )
 314     {
 315         GtkWidget *     p_slider;
 316         float           newvalue;
 317
 318 //        vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
 319         /* New input or stream map change */
 320         if( p_intf->p_input->stream.b_changed || p_intf->p_sys->b_mode_changed )
 321         {
 322             switch( p_intf->p_input->stream.i_method & 0xf0 )
 323             {
 324                 case INPUT_METHOD_FILE:
 325                     GnomeFileModeManage( p_intf );
 326                     break;
 327                 case INPUT_METHOD_DISC:
 328                     GnomeDiscModeManage( p_intf );
 329                     break;
 330                 case INPUT_METHOD_NETWORK:
 331                     GnomeNetworkModeManage( p_intf );
 332                     break;
 333                 default:
 334                     intf_ErrMsg( "intf error: can't determine input method" );
 335                     break;
 336             }
 337             p_slider = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 338                                    p_intf->p_sys->p_window ), "slider" ) );
 339
 340             if( p_intf->p_input->stream.b_seekable )
 341             {
 342                 gtk_widget_show( GTK_WIDGET( p_slider ) );
 343             }
 344             else
 345             {
 346                 gtk_widget_hide( GTK_WIDGET( p_slider ) );
 347             }
 348
 349             /* get ready for menu regeneration */
 350             p_intf->p_sys->b_title_update = 1;
 351             p_intf->p_sys->b_chapter_update = 1;
 352             p_intf->p_sys->b_angle_update = 1;
 353             p_intf->p_sys->b_audio_update = 1;
 354             p_intf->p_sys->b_spu_update = 1;
 355             p_intf->p_sys->i_part = 0;
 356
 357             p_intf->p_input->stream.b_changed = 0;
 358             p_intf->p_sys->b_mode_changed = 0;
 359             intf_WarnMsg( 2,
 360                           "intf info: menus refreshed as stream has changed" );
 361
 362         }
 363
 364 //        vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
 365
 366         /* Update language/chapter menus after user request */
 367         GnomeSetupMenu( p_intf );
 368
 369 #define p_area p_intf->p_input->stream.p_selected_area
 370         /* Update menus when chapter changes */
 371         p_intf->p_sys->b_chapter_update =
 372                     ( p_intf->p_sys->i_part != p_area->i_part );
 373
 374         if( p_intf->p_input->stream.b_seekable )
 375         {
 376             /* Manage the slider */
 377             newvalue = p_intf->p_sys->p_adj->value;
 378
 379             /* If the user hasn't touched the slider since the last time,
 380              * then the input can safely change it */
 381             if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 382             {
 383                 /* Update the value */
 384                 p_intf->p_sys->p_adj->value = p_intf->p_sys->f_adj_oldvalue =
 385                     ( 100. * p_area->i_tell ) / p_area->i_size;
 386
 387                 gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 388                                          "value_changed" );
 389             }
 390             /* Otherwise, send message to the input if the user has
 391              * finished dragging the slider */
 392             else if( p_intf->p_sys->b_slider_free )
 393             {
 394                 off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 395
 396                 input_Seek( p_intf->p_input, i_seek );
 397
 398                 /* Update the old value */
 399                 p_intf->p_sys->f_adj_oldvalue = newvalue;
 400             }
 401         }
 402 #undef p_area
 403     }
 404
 405     /* Manage core vlc functions through the callback */
 406     p_intf->pf_manage( p_intf );
 407
 408     if( p_intf->b_die )
 409     {
 410         vlc_mutex_unlock( &p_intf->change_lock );
 411
 412         /* Prepare to die, young Skywalker */
 413         gtk_main_quit();
 414
 415         /* Just in case */
 416         return( FALSE );
 417     }
 418
 419     vlc_mutex_unlock( &p_intf->change_lock );
 420
 421     return( TRUE );
 422
 423 #undef p_intf
 424 }
 425
 426 /*****************************************************************************
 427  * GnomeLanguageMenus: update interactive menus of the interface
 428  *****************************************************************************
 429  * Sets up menus with information from input:
 430  *  -languages
 431  *  -sub-pictures
 432  * Warning: since this function is designed to be called by management
 433  * function, the interface lock has to be taken
 434  *****************************************************************************/
 435 static gint GnomeLanguageMenus( gpointer          p_data,
 436                                 GtkWidget *       p_root,
 437                                 es_descriptor_t * p_es,
 438                                 gint              i_cat,
 439                           void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 440 {
 441     intf_thread_t *     p_intf;
 442     GtkWidget *         p_menu;
 443     GtkWidget *         p_separator;
 444     GtkWidget *         p_item;
 445     GtkWidget *         p_item_active;
 446     GSList *            p_group;
 447     char                psz_name[12];
 448     gint                i_item;
 449     gint                i;
 450
 451
 452
 453     /* cast */
 454     p_intf = (intf_thread_t *)p_data;
 455
 456     /* removes previous menu */
 457     gtk_menu_item_remove_submenu( GTK_MENU_ITEM( p_root ) );
 458     gtk_widget_set_sensitive( p_root, FALSE );
 459
 460     p_group = NULL;
 461
 462     /* menu container */
 463     p_menu = gtk_menu_new();
 464
 465     /* special case for "off" item */
 466     sprintf( psz_name, "Off" );
 467
 468     p_item = gtk_radio_menu_item_new_with_label( p_group, psz_name );
 469     p_group = gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 470
 471     gtk_widget_show( p_item );
 472
 473     /* signal hanling for off */
 474     gtk_signal_connect( GTK_OBJECT( p_item ), "toggled",
 475                         GTK_SIGNAL_FUNC ( pf_toggle ), NULL );
 476
 477     gtk_menu_append( GTK_MENU( p_menu ), p_item );
 478
 479     p_separator = gtk_menu_item_new();
 480     gtk_widget_set_sensitive( p_separator, FALSE );
 481     gtk_widget_show( p_separator );
 482     gtk_menu_append( GTK_MENU( p_menu ), p_separator );
 483
 484     vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
 485     p_item_active = NULL;
 486     i_item = 0;
 487
 488     /* create a set of language buttons and append them to the container */
 489     for( i = 0 ; i < p_intf->p_input->stream.i_es_number ; i++ )
 490     {
 491         if( p_intf->p_input->stream.pp_es[i]->i_cat == i_cat )
 492         {
 493             i_item++;
 494             strcpy( psz_name, p_intf->p_input->stream.pp_es[i]->psz_desc );
 495             if( psz_name[0] == '\0' )
 496             {
 497                 sprintf( psz_name, "Language %d", i_item );
 498             }
 499
 500             p_item = gtk_radio_menu_item_new_with_label( p_group, psz_name );
 501             p_group =
 502                 gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 503
 504             if( p_es == p_intf->p_input->stream.pp_es[i] )
 505             {
 506                 /* don't lose p_item when we append into menu */
 507                 p_item_active = p_item;
 508             }
 509
 510             gtk_widget_show( p_item );
 511
 512             /* setup signal hanling */
 513             gtk_signal_connect( GTK_OBJECT( p_item ), "toggled",
 514                             GTK_SIGNAL_FUNC( pf_toggle ),
 515                             (gpointer)( p_intf->p_input->stream.pp_es[i] ) );
 516
 517             gtk_menu_append( GTK_MENU( p_menu ), p_item );
 518         }
 519     }
 520
 521     vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
 522
 523     /* link the new menu to the menubar item */
 524     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_root ), p_menu );
 525
 526     /* acitvation will call signals so we can only do it
 527      * when submenu is attached to menu - to get intf_window */
 528     if( p_item_active != NULL )
 529     {
 530         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_active ),
 531                                         TRUE );
 532     }
 533
 534     /* be sure that menu is sensitive if non empty */
 535     if( i_item > 0 )
 536     {
 537         gtk_widget_set_sensitive( p_root, TRUE );
 538     }
 539
 540     return TRUE;
 541 }
 542
 543 /*****************************************************************************
 544  * GnomeAngleMenu: generate angle menu for current title
 545  *****************************************************************************/
 546 static gint GnomeAngleMenu( gpointer p_data, GtkWidget * p_angle,
 547                         void(*pf_toggle)( GtkCheckMenuItem *, gpointer ) )
 548 {
 549     intf_thread_t *     p_intf;
 550     char                psz_name[12];
 551     GtkWidget *         p_angle_menu;
 552     GSList *            p_angle_group;
 553     GtkWidget *         p_item;
 554     GtkWidget *         p_item_active;
 555     gint                i_angle;
 556
 557     /* cast */
 558     p_intf = (intf_thread_t*)p_data;
 559
 560     /* removes previous menu */
 561     gtk_menu_item_remove_submenu( GTK_MENU_ITEM( p_angle ) );
 562     gtk_widget_set_sensitive( p_angle, FALSE );
 563
 564     p_angle_menu = gtk_menu_new();;
 565     p_angle_group = NULL;
 566     p_item = NULL;
 567     p_item_active = NULL;
 568
 569     for( i_angle = 0 ;
 570          i_angle < p_intf->p_input->stream.p_selected_area->i_angle_nb ;
 571          i_angle++ )
 572     {
 573         sprintf( psz_name, "Angle %d", i_angle + 1 );
 574
 575         p_item = gtk_radio_menu_item_new_with_label( p_angle_group,
 576                                                      psz_name );
 577         p_angle_group =
 578             gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 579
 580         if( p_intf->p_input->stream.p_selected_area->i_angle ==
 581                                                             ( i_angle + 1 ) )
 582         {
 583             p_item_active = p_item;
 584         }
 585
 586         gtk_widget_show( p_item );
 587
 588         /* setup signal hanling */
 589         gtk_signal_connect( GTK_OBJECT( p_item ),
 590                         "toggled",
 591                         GTK_SIGNAL_FUNC( pf_toggle ),
 592                         (gpointer)(i_angle + 1) );
 593
 594         gtk_menu_append( GTK_MENU( p_angle_menu ), p_item );
 595     }
 596
 597     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_angle ), p_angle_menu );
 598
 599     if( p_item_active != NULL )
 600     {
 601         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_active ),
 602                                         TRUE );
 603     }
 604
 605     /* be sure that menu is sensitive if non empty */
 606     if( p_intf->p_input->stream.p_selected_area->i_angle_nb > 1 )
 607     {
 608         gtk_widget_set_sensitive( p_angle, TRUE );
 609     }
 610
 611     return TRUE;
 612 }
 613
 614 /*****************************************************************************
 615  * GnomeChapterMenu: generate chapter menu for current title
 616  *****************************************************************************/
 617 static gint GnomeChapterMenu( gpointer p_data, GtkWidget * p_chapter,
 618                         void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 619 {
 620     intf_thread_t *     p_intf;
 621     char                psz_name[12];
 622     GtkWidget *         p_chapter_menu;
 623     GtkWidget *         p_chapter_submenu;
 624     GtkWidget *         p_menu_item;
 625     GtkWidget *         p_item;
 626     GtkWidget *         p_item_selected;
 627     GSList *            p_chapter_group;
 628     gint                i_title;
 629     gint                i_chapter;
 630     gint                i_nb;
 631
 632     /* cast */
 633     p_intf = (intf_thread_t*)p_data;
 634
 635     /* removes previous menu */
 636     gtk_menu_item_remove_submenu( GTK_MENU_ITEM( p_chapter ) );
 637     gtk_widget_set_sensitive( p_chapter, FALSE );
 638
 639     p_chapter_submenu = NULL;
 640     p_chapter_group = NULL;
 641     p_item_selected = NULL;
 642     p_menu_item = NULL;
 643
 644     i_title = p_intf->p_input->stream.p_selected_area->i_id;
 645     p_chapter_menu = gtk_menu_new();
 646     i_nb = p_intf->p_input->stream.pp_areas[i_title]->i_part_nb;
 647
 648     for( i_chapter = 0 ; i_chapter < i_nb ; i_chapter++ )
 649     {
 650         /* we group chapters in packets of ten for small screens */
 651         if( ( i_chapter % 10 == 0 ) && ( i_nb > 20 ) )
 652         {
 653             if( i_chapter != 0 )
 654             {
 655                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_menu_item ),
 656                                            p_chapter_submenu );
 657                 gtk_menu_append( GTK_MENU( p_chapter_menu ), p_menu_item );
 658             }
 659
 660             sprintf( psz_name, "%d - %d", i_chapter + 1, i_chapter + 10);
 661             p_menu_item = gtk_menu_item_new_with_label( psz_name );
 662             gtk_widget_show( p_menu_item );
 663             p_chapter_submenu = gtk_menu_new();
 664         }
 665
 666         sprintf( psz_name, "Chapter %d", i_chapter + 1 );
 667
 668         p_item = gtk_radio_menu_item_new_with_label( p_chapter_group,
 669                                                      psz_name );
 670         p_chapter_group =
 671             gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_item ) );
 672
 673         if( p_intf->p_input->stream.pp_areas[i_title]->i_part
 674                      == i_chapter + 1 )
 675         {
 676             p_item_selected = p_item;
 677         }
 678
 679         gtk_widget_show( p_item );
 680
 681         /* setup signal hanling */
 682         gtk_signal_connect( GTK_OBJECT( p_item ),
 683                         "toggled",
 684                         GTK_SIGNAL_FUNC( pf_toggle ),
 685                         (gpointer)(i_chapter + 1) );
 686
 687         if( i_nb > 20 )
 688         {
 689             gtk_menu_append( GTK_MENU( p_chapter_submenu ), p_item );
 690         }
 691         else
 692         {
 693             gtk_menu_append( GTK_MENU( p_chapter_menu ), p_item );
 694         }
 695     }
 696
 697     if( i_nb > 20 )
 698     {
 699         gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_menu_item ),
 700                                    p_chapter_submenu );
 701         gtk_menu_append( GTK_MENU( p_chapter_menu ), p_menu_item );
 702     }
 703
 704     /* link the new menu to the title menu item */
 705     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_chapter ),
 706                                p_chapter_menu );
 707
 708     /* toggle currently selected chapter */
 709     if( p_item_selected != NULL )
 710     {
 711         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_selected ),
 712                                         TRUE );
 713     }
 714
 715     /* be sure that chapter menu is sensitive, if there are several items */
 716     if( p_intf->p_input->stream.pp_areas[i_title]->i_part_nb > 1 )
 717     {
 718         gtk_widget_set_sensitive( p_chapter, TRUE );
 719     }
 720
 721     return TRUE;
 722 }
 723
 724 /*****************************************************************************
 725  * GnomeTitleMenu: sets menus for titles and chapters selection
 726  *****************************************************************************
 727  * Generates two types of menus:
 728  *  -simple list of titles
 729  *  -cascaded lists of chapters for each title
 730  *****************************************************************************/
 731 static gint GnomeTitleMenu( gpointer       p_data,
 732                             GtkWidget *    p_navigation,
 733                             void(*pf_toggle )( GtkCheckMenuItem *, gpointer ) )
 734 {
 735     intf_thread_t *     p_intf;
 736     char                psz_name[12];
 737     GtkWidget *         p_title_menu;
 738     GtkWidget *         p_title_submenu;
 739     GtkWidget *         p_title_item;
 740     GtkWidget *         p_item_active;
 741     GtkWidget *         p_chapter_menu;
 742     GtkWidget *         p_chapter_submenu;
 743     GtkWidget *         p_title_menu_item;
 744     GtkWidget *         p_chapter_menu_item;
 745     GtkWidget *         p_item;
 746     GSList *            p_title_group;
 747     GSList *            p_chapter_group;
 748     gint                i_title;
 749     gint                i_chapter;
 750     gint                i_title_nb;
 751     gint                i_chapter_nb;
 752
 753     /* cast */
 754     p_intf = (intf_thread_t*)p_data;
 755
 756     /* removes previous menu */
 757     gtk_menu_item_remove_submenu( GTK_MENU_ITEM( p_navigation ) );
 758     gtk_widget_set_sensitive( p_navigation, FALSE );
 759
 760     p_title_menu = gtk_menu_new();
 761     p_title_group = NULL;
 762     p_title_submenu = NULL;
 763     p_title_menu_item = NULL;
 764     p_chapter_group = NULL;
 765     p_chapter_submenu = NULL;
 766     p_chapter_menu_item = NULL;
 767     p_item_active = NULL;
 768     i_title_nb = p_intf->p_input->stream.i_area_nb;
 769
 770     /* loop on titles */
 771     for( i_title = 1 ; i_title < i_title_nb ; i_title++ )
 772     {
 773         /* we group titles in packets of ten for small screens */
 774         if( ( i_title % 10 == 1 ) && ( i_title_nb > 20 ) )
 775         {
 776             if( i_title != 1 )
 777             {
 778                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_menu_item ),
 779                                            p_title_submenu );
 780                 gtk_menu_append( GTK_MENU( p_title_menu ), p_title_menu_item );
 781             }
 782
 783             sprintf( psz_name, "%d - %d", i_title, i_title + 9 );
 784             p_title_menu_item = gtk_menu_item_new_with_label( psz_name );
 785             gtk_widget_show( p_title_menu_item );
 786             p_title_submenu = gtk_menu_new();
 787         }
 788
 789         sprintf( psz_name, "Title %d (%d)", i_title, p_intf->p_input->stream.pp_areas[i_title]->i_part_nb );
 790
 791         if( pf_toggle == on_menubar_title_toggle )
 792         {
 793             p_title_item = gtk_radio_menu_item_new_with_label( p_title_group,
 794                                                            psz_name );
 795             p_title_group =
 796               gtk_radio_menu_item_group( GTK_RADIO_MENU_ITEM( p_title_item ) );
 797
 798             if( p_intf->p_input->stream.pp_areas[i_title] ==
 799                          p_intf->p_input->stream.p_selected_area )
 800             {
 801                 p_item_active = p_title_item;
 802             }
 803
 804             /* setup signal hanling */
 805             gtk_signal_connect( GTK_OBJECT( p_title_item ),
 806                      "toggled",
 807                      GTK_SIGNAL_FUNC( pf_toggle ),
 808                      (gpointer)(p_intf->p_input->stream.pp_areas[i_title]) );
 809
 810             if( p_intf->p_input->stream.i_area_nb > 1 )
 811             {
 812                 /* be sure that menu is sensitive */
 813                 gtk_widget_set_sensitive( p_navigation, TRUE );
 814             }
 815         }
 816         else
 817         {
 818
 819             p_title_item = gtk_menu_item_new_with_label( psz_name );
 820             p_chapter_menu = gtk_menu_new();
 821             i_chapter_nb =
 822                     p_intf->p_input->stream.pp_areas[i_title]->i_part_nb;
 823
 824             for( i_chapter = 0 ; i_chapter < i_chapter_nb ; i_chapter++ )
 825             {
 826                 /* we group chapters in packets of ten for small screens */
 827                 if( ( i_chapter % 10 == 0 ) && ( i_chapter_nb > 20 ) )
 828                 {
 829                     if( i_chapter != 0 )
 830                     {
 831                         gtk_menu_item_set_submenu(
 832                                     GTK_MENU_ITEM( p_chapter_menu_item ),
 833                                     p_chapter_submenu );
 834                         gtk_menu_append( GTK_MENU( p_chapter_menu ),
 835                                          p_chapter_menu_item );
 836                     }
 837
 838                     sprintf( psz_name, "%d - %d", i_chapter + 1,
 839                                                   i_chapter + 10);
 840                     p_chapter_menu_item =
 841                             gtk_menu_item_new_with_label( psz_name );
 842                     gtk_widget_show( p_chapter_menu_item );
 843                     p_chapter_submenu = gtk_menu_new();
 844                 }
 845
 846                 sprintf( psz_name, "Chapter %d", i_chapter + 1 );
 847
 848                 p_item = gtk_radio_menu_item_new_with_label(
 849                                                 p_chapter_group, psz_name );
 850                 p_chapter_group = gtk_radio_menu_item_group(
 851                                                 GTK_RADIO_MENU_ITEM( p_item ) );
 852                 gtk_widget_show( p_item );
 853
 854 #define p_area p_intf->p_input->stream.pp_areas[i_title]
 855                 if( ( p_area == p_intf->p_input->stream.p_selected_area ) &&
 856                     ( p_area->i_part == i_chapter + 1 ) )
 857                 {
 858                     p_item_active = p_item;
 859                 }
 860 #undef p_area
 861
 862                 /* setup signal hanling */
 863                 gtk_signal_connect( GTK_OBJECT( p_item ),
 864                            "toggled",
 865                            GTK_SIGNAL_FUNC( pf_toggle ),
 866                            (gpointer)( ( i_title * 100 ) + ( i_chapter + 1) ) );
 867
 868                 if( i_chapter_nb > 20 )
 869                 {
 870                     gtk_menu_append( GTK_MENU( p_chapter_submenu ), p_item );
 871                 }
 872                 else
 873                 {
 874                     gtk_menu_append( GTK_MENU( p_chapter_menu ), p_item );
 875                 }
 876             }
 877
 878             if( i_chapter_nb > 20 )
 879             {
 880                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_chapter_menu_item ),
 881                                            p_chapter_submenu );
 882                 gtk_menu_append( GTK_MENU( p_chapter_menu ),
 883                                  p_chapter_menu_item );
 884             }
 885
 886             /* link the new menu to the title menu item */
 887             gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_item ),
 888                                        p_chapter_menu );
 889
 890             if( p_intf->p_input->stream.pp_areas[i_title]->i_part_nb > 1 )
 891             {
 892                 /* be sure that menu is sensitive */
 893                 gtk_widget_set_sensitive( p_navigation, TRUE );
 894             }
 895         }
 896         gtk_widget_show( p_title_item );
 897
 898         if( i_title_nb > 20 )
 899         {
 900             gtk_menu_append( GTK_MENU( p_title_submenu ), p_title_item );
 901         }
 902         else
 903         {
 904             gtk_menu_append( GTK_MENU( p_title_menu ), p_title_item );
 905         }
 906     }
 907
 908     if( i_title_nb > 20 )
 909     {
 910         gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_title_menu_item ),
 911                                    p_title_submenu );
 912         gtk_menu_append( GTK_MENU( p_title_menu ), p_title_menu_item );
 913     }
 914
 915     /* be sure that menu is sensitive */
 916     gtk_widget_set_sensitive( p_title_menu, TRUE );
 917
 918     /* link the new menu to the menubar item */
 919     gtk_menu_item_set_submenu( GTK_MENU_ITEM( p_navigation ), p_title_menu );
 920
 921     if( p_item_active != NULL )
 922     {
 923         gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM( p_item_active ),
 924                                         TRUE );
 925     }
 926
 927
 928     return TRUE;
 929 }
 930
 931 /*****************************************************************************
 932  * GnomeSetupMenu: function that generates title/chapter/audio/subpic
 933  * menus with help from preceding functions
 934  *****************************************************************************/
 935 static gint GnomeSetupMenu( intf_thread_t * p_intf )
 936 {
 937     es_descriptor_t *   p_audio_es;
 938     es_descriptor_t *   p_spu_es;
 939     GtkWidget *         p_menubar_menu;
 940     GtkWidget *         p_popup_menu;
 941     gint                i;
 942
 943     p_intf->p_sys->b_chapter_update |= p_intf->p_sys->b_title_update;
 944     p_intf->p_sys->b_angle_update |= p_intf->p_sys->b_title_update;
 945     p_intf->p_sys->b_audio_update |= p_intf->p_sys->b_title_update;
 946     p_intf->p_sys->b_spu_update |= p_intf->p_sys->b_title_update;
 947
 948     if( p_intf->p_sys->b_title_update )
 949     {
 950         char            psz_title[3];
 951
 952         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 953                             p_intf->p_sys->p_window ), "menubar_title" ) );
 954         GnomeTitleMenu( p_intf, p_menubar_menu, on_menubar_title_toggle );
 955
 956         snprintf( psz_title, 3, "%02d",
 957                   p_intf->p_input->stream.p_selected_area->i_id );
 958         gtk_label_set_text( p_intf->p_sys->p_label_title, psz_title );
 959
 960         p_intf->p_sys->b_title_update = 0;
 961     }
 962
 963     if( p_intf->p_sys->b_chapter_update )
 964     {
 965         char            psz_chapter[3];
 966
 967         p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 968                              p_intf->p_sys->p_popup ), "popup_navigation" ) );
 969         GnomeTitleMenu( p_intf, p_popup_menu, on_popup_navigation_toggle );
 970
 971         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 972                              p_intf->p_sys->p_window ), "menubar_chapter" ) );
 973         GnomeChapterMenu( p_intf, p_menubar_menu, on_menubar_chapter_toggle );
 974
 975         snprintf( psz_chapter, 3, "%02d",
 976                   p_intf->p_input->stream.p_selected_area->i_part );
 977         gtk_label_set_text( p_intf->p_sys->p_label_chapter, psz_chapter );
 978
 979         p_intf->p_sys->i_part =
 980                 p_intf->p_input->stream.p_selected_area->i_part;
 981
 982         p_intf->p_sys->b_chapter_update = 0;
 983     }
 984
 985     if( p_intf->p_sys->b_angle_update )
 986     {
 987         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 988                              p_intf->p_sys->p_window ), "menubar_angle" ) );
 989         GnomeAngleMenu( p_intf, p_menubar_menu, on_menubar_angle_toggle );
 990
 991         p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 992                              p_intf->p_sys->p_popup ), "popup_angle" ) );
 993         GnomeAngleMenu( p_intf, p_popup_menu, on_popup_angle_toggle );
 994
 995         p_intf->p_sys->b_angle_update = 0;
 996     }
 997
 998     /* look for selected ES */
 999     p_audio_es = NULL;
1000     p_spu_es = NULL;
1001
1002     for( i = 0 ; i < p_intf->p_input->stream.i_selected_es_number ; i++ )
1003     {
1004         if( p_intf->p_input->stream.pp_selected_es[i]->i_cat == AUDIO_ES )
1005         {
1006             p_audio_es = p_intf->p_input->stream.pp_selected_es[i];
1007         }
1008
1009         if( p_intf->p_input->stream.pp_selected_es[i]->i_cat == SPU_ES )
1010         {
1011             p_spu_es = p_intf->p_input->stream.pp_selected_es[i];
1012         }
1013     }
1014
1015     /* audio menus */
1016     if( p_intf->p_sys->b_audio_update )
1017     {
1018         /* find audio root menu */
1019         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1020                              p_intf->p_sys->p_window ), "menubar_audio" ) );
1021
1022         p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1023                      p_intf->p_sys->p_popup ), "popup_audio" ) );
1024
1025         GnomeLanguageMenus( p_intf, p_menubar_menu, p_audio_es, AUDIO_ES,
1026                             on_menubar_audio_toggle );
1027         GnomeLanguageMenus( p_intf, p_popup_menu, p_audio_es, AUDIO_ES,
1028                             on_popup_audio_toggle );
1029
1030         p_intf->p_sys->b_audio_update = 0;
1031     }
1032
1033     /* sub picture menus */
1034     if( p_intf->p_sys->b_spu_update )
1035     {
1036         /* find spu root menu */
1037         p_menubar_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1038                           p_intf->p_sys->p_window ), "menubar_subtitle" ) );
1039
1040         p_popup_menu = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1041                      p_intf->p_sys->p_popup ), "popup_subtitle" ) );
1042
1043         GnomeLanguageMenus( p_intf, p_menubar_menu, p_spu_es, SPU_ES,
1044                             on_menubar_subtitle_toggle  );
1045         GnomeLanguageMenus( p_intf, p_popup_menu, p_spu_es, SPU_ES,
1046                             on_popup_subtitle_toggle );
1047
1048         p_intf->p_sys->b_spu_update = 0;
1049     }
1050
1051     return TRUE;
1052 }
1053
1054 /*****************************************************************************
1055  * GnomeDisplayDate: display stream date
1056  *****************************************************************************
1057  * This function displays the current date related to the position in
1058  * the stream. It is called whenever the slider changes its value.
1059  *****************************************************************************/
1060 void GnomeDisplayDate( GtkAdjustment *p_adj )
1061 {
1062     intf_thread_t *p_intf;
1063
1064     p_intf = gtk_object_get_data( GTK_OBJECT( p_adj ), "p_intf" );
1065
1066     if( p_intf->p_input != NULL )
1067     {
1068 #define p_area p_intf->p_input->stream.p_selected_area
1069         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
1070
1071         vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
1072
1073         gtk_label_set_text( p_intf->p_sys->p_label_date,
1074                             input_OffsetToTime( p_intf->p_input, psz_time,
1075                                    ( p_area->i_size * p_adj->value ) / 100 ) );
1076
1077         vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
1078 #undef p_area
1079      }
1080 }
1081
1082
1083 /*****************************************************************************
1084  * GnomeDiscModeManage
1085  *****************************************************************************/
1086 static gint GnomeDiscModeManage( intf_thread_t * p_intf )
1087 {
1088     GtkWidget *     p_dvd_box;
1089     GtkWidget *     p_file_box;
1090     GtkWidget *     p_network_box;
1091
1092     p_file_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1093                  p_intf->p_sys->p_window ), "file_box" ) );
1094     gtk_widget_hide( GTK_WIDGET( p_file_box ) );
1095
1096     p_network_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1097                  p_intf->p_sys->p_window ), "network_box" ) );
1098     gtk_widget_hide( GTK_WIDGET( p_network_box ) );
1099
1100     p_dvd_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1101                  p_intf->p_sys->p_window ), "dvd_box" ) );
1102     gtk_widget_show( GTK_WIDGET( p_dvd_box ) );
1103
1104     gtk_label_set_text( p_intf->p_sys->p_label_status,
1105                         "Status: playing DVD" );
1106
1107     return TRUE;
1108 }
1109
1110 /*****************************************************************************
1111  * GnomeFileModeManage
1112  *****************************************************************************/
1113 static gint GnomeFileModeManage( intf_thread_t * p_intf )
1114 {
1115     GtkWidget *     p_dvd_box;
1116     GtkWidget *     p_file_box;
1117     GtkWidget *     p_network_box;
1118     char *          psz_name;
1119
1120     p_network_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1121                  p_intf->p_sys->p_window ), "network_box" ) );
1122     gtk_widget_hide( GTK_WIDGET( p_network_box ) );
1123
1124     p_dvd_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1125                  p_intf->p_sys->p_window ), "dvd_box" ) );
1126     gtk_widget_hide( GTK_WIDGET( p_dvd_box ) );
1127
1128     p_file_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1129                  p_intf->p_sys->p_window ), "file_box" ) );
1130     gtk_widget_show( GTK_WIDGET( p_file_box ) );
1131
1132 #if 1
1133 //    psz_name = malloc( 16 + strlen( p_intf->p_input->p_source ) );
1134 //    sprintf( psz_name, "Status: playing %s", p_intf->p_input->p_source );
1135
1136     psz_name = strdup( p_intf->p_input->p_source );
1137
1138     gtk_label_set_text( p_intf->p_sys->p_label_status, psz_name );
1139
1140     free( psz_name );
1141 #else
1142     gtk_label_set_text( p_intf->p_sys->p_label_status,
1143                         "Status: foo" );
1144 #endif
1145
1146     return TRUE;
1147 }
1148
1149 /*****************************************************************************
1150  * GnomeNetworkModeManage
1151  *****************************************************************************/
1152 static gint GnomeNetworkModeManage( intf_thread_t * p_intf )
1153 {
1154     GtkWidget *     p_dvd_box;
1155     GtkWidget *     p_file_box;
1156     GtkWidget *     p_network_box;
1157
1158     p_dvd_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1159                  p_intf->p_sys->p_window ), "dvd_box" ) );
1160     gtk_widget_hide( GTK_WIDGET( p_dvd_box ) );
1161
1162     p_file_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1163                  p_intf->p_sys->p_window ), "file_box" ) );
1164     gtk_widget_hide( GTK_WIDGET( p_file_box ) );
1165
1166     p_network_box = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
1167                  p_intf->p_sys->p_window ), "network_box" ) );
1168     gtk_widget_show( GTK_WIDGET( p_network_box ) );
1169
1170     gtk_label_set_text( p_intf->p_sys->p_label_status,
1171                         "Status: waiting for stream" );
1172
1173     return TRUE;
1174 }