modules/gui/qt4/qt4.cpp

   1 /*****************************************************************************
   2  * qt4.cpp : QT4 interface
   3  ****************************************************************************
   4  * Copyright © 2006-2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Clément Stenac <zorglub@videolan.org>
   8  *          Jean-Baptiste Kempf <jb@videolan.org>
   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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #include <QApplication>
  30 #include <QDate>
  31 #include <QMutex>
  32
  33 #include "qt4.hpp"
  34
  35 #include "input_manager.hpp"    /* THEMIM destruction */
  36 #include "dialogs_provider.hpp" /* THEDP creation */
  37 #include "main_interface.hpp"   /* MainInterface creation */
  38 #include "dialogs/help.hpp"     /* Launch Update */
  39 #include "recents.hpp"          /* Recents Item destruction */
  40 #include "util/qvlcapp.hpp"     /* QVLCApplication definition */
  41
  42 #ifdef Q_WS_X11
  43  #include <vlc_xlib.h>
  44 #endif
  45
  46 #include "../../../share/icons/32x32/vlc.xpm"
  47 #include "../../../share/icons/32x32/vlc-xmas.xpm"
  48 #include <vlc_plugin.h>
  49 #include <vlc_vout_window.h>
  50
  51 #ifdef WIN32 /* For static builds */
  52  #include <QtPlugin>
  53  Q_IMPORT_PLUGIN(qjpeg)
  54  Q_IMPORT_PLUGIN(qtaccessiblewidgets)
  55 #endif
  56
  57 /*****************************************************************************
  58  * Local prototypes.
  59  *****************************************************************************/
  60 static int  OpenIntf     ( vlc_object_t * );
  61 static int  OpenDialogs  ( vlc_object_t * );
  62 static int  Open         ( vlc_object_t *, bool );
  63 static void Close        ( vlc_object_t * );
  64 static int  WindowOpen   ( vout_window_t *, const vout_window_cfg_t * );
  65 static void WindowClose  ( vout_window_t * );
  66 static void *Thread      ( void * );
  67 static void ShowDialog   ( intf_thread_t *, int, int, intf_dialog_args_t * );
  68
  69 /*****************************************************************************
  70  * Module descriptor
  71  *****************************************************************************/
  72 #define ADVANCED_PREFS_TEXT N_( "Show advanced preferences over simple ones" )
  73 #define ADVANCED_PREFS_LONGTEXT N_( "Show advanced preferences and not simple "\
  74                                     "preferences when opening the preferences "\
  75                                     "dialog." )
  76
  77 #define SYSTRAY_TEXT N_( "Systray icon" )
  78 #define SYSTRAY_LONGTEXT N_( "Show an icon in the systray " \
  79                              "allowing you to control VLC media player " \
  80                              "for basic actions." )
  81
  82 #define MINIMIZED_TEXT N_( "Start VLC with only a systray icon" )
  83 #define MINIMIZED_LONGTEXT N_( "VLC will start with just an icon in " \
  84                                "your taskbar" )
  85
  86 #define KEEPSIZE_TEXT N_( "Resize interface to the native video size" )
  87 #define KEEPSIZE_LONGTEXT N_( "You have two choices:\n" \
  88             " - The interface will resize to the native video size\n" \
  89             " - The video will fit to the interface size\n " \
  90             "By default, interface resize to the native video size." )
  91
  92 #define TITLE_TEXT N_( "Show playing item name in window title" )
  93 #define TITLE_LONGTEXT N_( "Show the name of the song or video in the " \
  94                            "controler window title." )
  95
  96 #define NOTIFICATION_TEXT N_( "Show notification popup on track change" )
  97 #define NOTIFICATION_LONGTEXT N_( \
  98     "Show a notification popup with the artist and track name when " \
  99     "the current playlist item changes, when VLC is minimized or hidden." )
 100
 101 #define ADVANCED_OPTIONS_TEXT N_( "Advanced options" )
 102 #define ADVANCED_OPTIONS_LONGTEXT N_( "Show all the advanced options " \
 103                                       "in the dialogs." )
 104
 105 #define OPACITY_TEXT N_( "Windows opacity between 0.1 and 1" )
 106 #define OPACITY_LONGTEXT N_( "Sets the windows opacity between 0.1 and 1 " \
 107                              "for main interface, playlist and extended panel."\
 108                              " This option only works with Windows and " \
 109                              "X11 with composite extensions." )
 110
 111 #define OPACITY_FS_TEXT N_( "Fullscreen controller opacity between 0.1 and 1" )
 112 #define OPACITY_FS_LONGTEXT N_( "Sets the fullscreen controller opacity between 0.1 and 1 " \
 113                              "for main interface, playlist and extended panel."\
 114                              " This option only works with Windows and " \
 115                              "X11 with composite extensions." )
 116
 117
 118 #define ERROR_TEXT N_( "Show unimportant error and warnings dialogs" )
 119
 120 #define UPDATER_TEXT N_( "Activate the updates availability notification" )
 121 #define UPDATER_LONGTEXT N_( "Activate the automatic notification of new " \
 122                             "versions of the software. It runs once every " \
 123                             "two weeks." )
 124 #define UPDATER_DAYS_TEXT N_("Number of days between two update checks")
 125
 126 #define COMPLETEVOL_TEXT N_( "Allow the volume to be set to 400%" )
 127 #define COMPLETEVOL_LONGTEXT N_( "Allow the volume to have range from 0% to " \
 128                                  "400%, instead of 0% to 200%. This option " \
 129                                  "can distort the audio, since it uses " \
 130                                  "software amplification." )
 131
 132 #define SAVEVOL_TEXT N_( "Automatically save the volume on exit" )
 133 #define STARTVOL_TEXT N_( "Default start volume" )
 134
 135 #define PRIVACY_TEXT N_( "Ask for network policy at start" )
 136
 137 #define RECENTPLAY_TEXT N_( "Save the recently played items in the menu" )
 138
 139 #define RECENTPLAY_FILTER_TEXT N_( "List of words separated by | to filter" )
 140 #define RECENTPLAY_FILTER_LONGTEXT N_( "Regular expression used to filter " \
 141         "the recent items played in the player" )
 142
 143 #define SLIDERCOL_TEXT N_( "Define the colors of the volume slider " )
 144 #define SLIDERCOL_LONGTEXT N_( "Define the colors of the volume slider\n" \
 145                        "By specifying the 12 numbers separated by a ';'\n" \
 146             "Default is '255;255;255;20;226;20;255;176;15;235;30;20'\n" \
 147             "An alternative can be '30;30;50;40;40;100;50;50;160;150;150;255' ")
 148
 149 #define QT_MODE_TEXT N_( "Selection of the starting mode and look " )
 150 #define QT_MODE_LONGTEXT N_( "Start VLC with:\n" \
 151                              " - normal mode\n"  \
 152                              " - a zone always present to show information " \
 153                                   "as lyrics, album arts...\n" \
 154                              " - minimal mode with limited controls" )
 155
 156 #define QT_FULLSCREEN_TEXT N_( "Show a controller in fullscreen mode" )
 157 #define QT_NATIVEOPEN_TEXT N_( "Embed the file browser in open dialog" )
 158
 159 #define FULLSCREEN_NUMBER_TEXT N_( "Define which screen fullscreen goes" )
 160 #define FULLSCREEN_NUMBER_LONGTEXT N_( "Screennumber of fullscreen, instead of" \
 161                                        "same screen where interface is" )
 162
 163 #define QT_AUTOLOAD_EXTENSIONS_TEXT N_( "Load extensions on startup" )
 164 #define QT_AUTOLOAD_EXTENSIONS_LONGTEXT N_( "Automatically load the "\
 165                                             "extensions module on startup" )
 166
 167 #define QT_MINIMAL_MODE_TEXT N_("Start in minimal view (without menus)" )
 168
 169 #define QT_BGCONE_TEXT N_( "Display background cone or art" )
 170 #define QT_BGCONE_LONGTEXT N_( "Display background cone or current album art " \
 171                             "when not playing." \
 172                             "Can be disabled to prevent burning screen." )
 173 #define QT_BGCONE_EXPANDS_TEXT N_( "Expanding background cone or art." )
 174 #define QT_BGCONE_EXPANDS_LONGTEXT N_( "Background art fits window's size" )
 175
 176 #define QT_DISABLE_VOLUME_KEYS_TEXT N_( "Ignore keyboard volume buttons." )
 177 #define QT_DISABLE_VOLUME_KEYS_LONGTEXT N_(                                             \
 178     "With this option checked, the volume up, volume down and mute buttons on your "    \
 179     "keyboard will always change your system volume. With this option unchecked, the "  \
 180     "volume buttons will change VLC's volume when VLC is selected and change the "      \
 181     "system volume when VLC is not selected." )
 182
 183 #define QT_PAUSE_MINIMIZED_TEXT N_( "Pause the video playback when minimized" )
 184 #define QT_PAUSE_MINIMIZED_LONGTEXT N_( \
 185     "With this option enabled, the playback will be automatically paused when minimizing the window." )
 186
 187 #define ICONCHANGE_TEXT N_( "Allow automatic icon changes")
 188 #define ICONCHANGE_LONGTEXT N_( \
 189     "This option allows the interface to change its icon on various occasions.")
 190
 191 /**********************************************************************/
 192 vlc_module_begin ()
 193     set_shortname( "Qt" )
 194     set_description( N_("Qt interface") )
 195     set_category( CAT_INTERFACE )
 196     set_subcategory( SUBCAT_INTERFACE_MAIN )
 197     set_capability( "interface", 151 )
 198     set_callbacks( OpenIntf, Close )
 199
 200     add_shortcut("qt")
 201
 202     add_bool( "qt-minimal-view", false, QT_MINIMAL_MODE_TEXT,
 203               QT_MINIMAL_MODE_TEXT, false );
 204
 205     add_bool( "qt-system-tray", true, SYSTRAY_TEXT,
 206           SYSTRAY_LONGTEXT, false)
 207     add_bool( "qt-notification", true, NOTIFICATION_TEXT,
 208               NOTIFICATION_LONGTEXT, false )
 209     add_bool( "qt-start-minimized", false, MINIMIZED_TEXT,
 210               MINIMIZED_LONGTEXT, true)
 211     add_bool( "qt-pause-minimized", true, QT_PAUSE_MINIMIZED_TEXT,
 212               QT_PAUSE_MINIMIZED_LONGTEXT, false )
 213
 214     add_float_with_range( "qt-opacity", 1., 0.1, 1., OPACITY_TEXT,
 215                           OPACITY_LONGTEXT, false )
 216     add_float_with_range( "qt-fs-opacity", 0.8, 0.1, 1., OPACITY_FS_TEXT,
 217                           OPACITY_FS_LONGTEXT, false )
 218
 219     add_bool( "qt-video-autoresize", true, KEEPSIZE_TEXT,
 220               KEEPSIZE_LONGTEXT, false )
 221     add_bool( "qt-name-in-title", true, TITLE_TEXT,
 222               TITLE_LONGTEXT, false )
 223     add_bool( "qt-fs-controller", true, QT_FULLSCREEN_TEXT,
 224               QT_FULLSCREEN_TEXT, false )
 225
 226     add_bool( "qt-recentplay", true, RECENTPLAY_TEXT,
 227               RECENTPLAY_TEXT, false )
 228     add_string( "qt-recentplay-filter", "",
 229                 RECENTPLAY_FILTER_TEXT, RECENTPLAY_FILTER_LONGTEXT, false )
 230
 231 #ifdef UPDATE_CHECK
 232     add_bool( "qt-updates-notif", true, UPDATER_TEXT,
 233               UPDATER_LONGTEXT, false )
 234     add_integer( "qt-updates-days", 3, UPDATER_DAYS_TEXT,
 235                  UPDATER_DAYS_TEXT, false )
 236 #endif
 237
 238     add_bool( "qt-volume-complete", false, COMPLETEVOL_TEXT,
 239               COMPLETEVOL_LONGTEXT, true )
 240     add_bool( "qt-autosave-volume", false, SAVEVOL_TEXT,
 241               SAVEVOL_TEXT, true )
 242     add_integer_with_range( "qt-startvolume", QT_VOLUME_DEFAULT, 0,
 243                QT_VOLUME_MAX, STARTVOL_TEXT, STARTVOL_TEXT, true )
 244
 245 #ifdef WIN32
 246     add_bool( "qt-disable-volume-keys"             /* name */,
 247               true                                 /* default value */,
 248               QT_DISABLE_VOLUME_KEYS_TEXT          /* text */,
 249               QT_DISABLE_VOLUME_KEYS_LONGTEXT      /* longtext */,
 250               false                                /* advanced mode only */)
 251 #endif
 252
 253     add_bool( "qt-embedded-open", false, QT_NATIVEOPEN_TEXT,
 254                QT_NATIVEOPEN_TEXT, false )
 255
 256
 257     add_bool( "qt-advanced-pref", false, ADVANCED_PREFS_TEXT,
 258               ADVANCED_PREFS_LONGTEXT, false )
 259     add_bool( "qt-error-dialogs", true, ERROR_TEXT,
 260               ERROR_TEXT, false )
 261
 262     add_string( "qt-slider-colours", "153;210;153;20;210;20;255;199;15;245;39;29",
 263                 SLIDERCOL_TEXT, SLIDERCOL_LONGTEXT, false )
 264
 265     add_bool( "qt-privacy-ask", true, PRIVACY_TEXT, PRIVACY_TEXT,
 266               false )
 267         change_private ()
 268
 269     add_integer( "qt-fullscreen-screennumber", -1, FULLSCREEN_NUMBER_TEXT,
 270                FULLSCREEN_NUMBER_LONGTEXT, false );
 271
 272     add_bool( "qt-autoload-extensions", true,
 273               QT_AUTOLOAD_EXTENSIONS_TEXT, QT_AUTOLOAD_EXTENSIONS_LONGTEXT,
 274               false )
 275
 276     add_bool( "qt-bgcone", true, QT_BGCONE_TEXT, QT_BGCONE_LONGTEXT, true )
 277     add_bool( "qt-bgcone-expands", false, QT_BGCONE_EXPANDS_TEXT,
 278               QT_BGCONE_EXPANDS_LONGTEXT, true )
 279
 280
 281     add_obsolete_bool( "qt-blingbling" ) /* Suppressed since 1.0.0 */
 282     add_obsolete_integer( "qt-display-mode" ) /* Suppressed since 1.1.0 */
 283
 284     add_bool( "qt-icon-change", true, ICONCHANGE_TEXT, ICONCHANGE_LONGTEXT, true )
 285
 286     add_obsolete_bool( "qt-adv-options" ) /* Since 1.2.0 */
 287
 288     cannot_unload_broken_library()
 289
 290     add_submodule ()
 291         set_description( "Dialogs provider" )
 292         set_capability( "dialogs provider", 51 )
 293
 294         set_callbacks( OpenDialogs, Close )
 295
 296 #if defined(Q_WS_X11) || defined(Q_WS_WIN) || defined(Q_WS_MAC)
 297     add_submodule ()
 298 #if defined(Q_WS_X11)
 299         set_capability( "vout window xid", 0 )
 300 #elif defined(Q_WS_WIN)
 301         set_capability( "vout window hwnd", 0 )
 302 #elif defined(Q_WS_MAC)
 303         set_capability( "vout window nsobject", 0 )
 304 #endif
 305         set_callbacks( WindowOpen, WindowClose )
 306 #endif
 307
 308 vlc_module_end ()
 309
 310 /*****************************************/
 311
 312 /* Ugly, but the Qt4 interface assumes single instance anyway */
 313 static vlc_sem_t ready;
 314 static QMutex lock;
 315 static bool busy = false;
 316 static bool active = false;
 317
 318 /*****************************************************************************
 319  * Module callbacks
 320  *****************************************************************************/
 321
 322 #ifdef Q_WS_MAC
 323 /* Used to abort the app.exec() on OSX after libvlc_Quit is called */
 324 #include "../../../src/control/libvlc_internal.h" /* libvlc_SetExitHandler */
 325 static void Abort( void *obj )
 326 {
 327     QVLCApp::triggerQuit();
 328 }
 329 #endif
 330
 331 static void RegisterIntf( vlc_object_t *p_this )
 332 {
 333     playlist_t *pl = pl_Get(p_this);
 334     var_Create (pl, "qt4-iface", VLC_VAR_ADDRESS);
 335     var_SetAddress (pl, "qt4-iface", p_this);
 336     var_Create (pl, "window", VLC_VAR_STRING);
 337     var_SetString (pl, "window", "qt4,any");
 338 }
 339
 340 /* Open Interface */
 341 static int Open( vlc_object_t *p_this, bool isDialogProvider )
 342 {
 343     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 344
 345 #ifdef Q_WS_X11
 346     if( !vlc_xlib_init( p_this ) )
 347         return VLC_EGENERIC;
 348
 349     Display *p_display = XOpenDisplay( NULL );
 350     if( !p_display )
 351     {
 352         msg_Err( p_intf, "Could not connect to X server" );
 353         return VLC_EGENERIC;
 354     }
 355     XCloseDisplay( p_display );
 356 #endif
 357
 358     QMutexLocker locker (&lock);
 359     if (busy)
 360     {
 361         msg_Err (p_this, "cannot start Qt4 multiple times");
 362         return VLC_EGENERIC;
 363     }
 364
 365     /* Allocations of p_sys */
 366     intf_sys_t *p_sys = p_intf->p_sys = new intf_sys_t;
 367     p_intf->p_sys->b_isDialogProvider = isDialogProvider;
 368     p_sys->p_mi = NULL;
 369
 370     /* */
 371     vlc_sem_init (&ready, 0);
 372 #ifdef Q_WS_MAC
 373     /* Run mainloop on the main thread as Cocoa requires */
 374     libvlc_SetExitHandler( p_intf->p_libvlc, Abort, p_intf );
 375     Thread( (void *)p_intf );
 376 #else
 377     if( vlc_clone( &p_sys->thread, Thread, p_intf, VLC_THREAD_PRIORITY_LOW ) )
 378     {
 379         delete p_sys;
 380         return VLC_ENOMEM;
 381     }
 382 #endif
 383
 384     /* Wait for the interface to be ready. This prevents the main
 385      * LibVLC thread from starting video playback before we can create
 386      * an embedded video window. */
 387     vlc_sem_wait (&ready);
 388     vlc_sem_destroy (&ready);
 389     busy = active = true;
 390
 391 #ifndef Q_WS_MAC
 392     if( !isDialogProvider )
 393     {
 394         RegisterIntf( p_this );
 395     }
 396 #endif
 397
 398     return VLC_SUCCESS;
 399 }
 400
 401 /* Open qt4 interface */
 402 static int OpenIntf( vlc_object_t *p_this )
 403 {
 404     return Open( p_this, false );
 405 }
 406
 407 /* Open Dialog Provider */
 408 static int OpenDialogs( vlc_object_t *p_this )
 409 {
 410     return Open( p_this, true );
 411 }
 412
 413 static void Close( vlc_object_t *p_this )
 414 {
 415     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 416     intf_sys_t *p_sys = p_intf->p_sys;
 417
 418     if( !p_sys->b_isDialogProvider )
 419     {
 420         var_Destroy (pl_Get(p_this), "window");
 421         var_Destroy (pl_Get(p_this), "qt4-iface");
 422     }
 423
 424     /* And quit */
 425     msg_Dbg( p_this, "requesting exit..." );
 426     QVLCApp::triggerQuit();
 427
 428     msg_Dbg( p_this, "waiting for UI thread..." );
 429 #ifndef Q_WS_MAC
 430     vlc_join (p_sys->thread, NULL);
 431 #endif
 432     delete p_sys;
 433
 434     QMutexLocker locker (&lock);
 435     assert (busy);
 436     busy = false;
 437 }
 438
 439 static void *Thread( void *obj )
 440 {
 441     intf_thread_t *p_intf = (intf_thread_t *)obj;
 442     MainInterface *p_mi;
 443     char dummy[] = "vlc"; /* for WM_CLASS */
 444     char *argv[2] = { dummy, NULL, };
 445     int argc = 1;
 446
 447     Q_INIT_RESOURCE( vlc );
 448
 449     /* Start the QApplication here */
 450     QVLCApp app( argc, argv );
 451
 452     p_intf->p_sys->p_app = &app;
 453
 454
 455     /* All the settings are in the .conf/.ini style */
 456     p_intf->p_sys->mainSettings = new QSettings(
 457 #ifdef WIN32
 458             QSettings::IniFormat,
 459 #else
 460             QSettings::NativeFormat,
 461 #endif
 462             QSettings::UserScope, "vlc", "vlc-qt-interface" );
 463
 464     /* Icon setting, Mac uses icon from .icns */
 465 #ifndef Q_WS_MAC
 466     if( QDate::currentDate().dayOfYear() >= QT_XMAS_JOKE_DAY && var_InheritBool( p_intf, "qt-icon-change" ) )
 467         app.setWindowIcon( QIcon(vlc_xmas_xpm) );
 468     else
 469         app.setWindowIcon( QIcon(vlc_xpm) );
 470 #endif
 471
 472     /* Initialize timers and the Dialog Provider */
 473     DialogsProvider::getInstance( p_intf );
 474
 475     /* Detect screensize for small screens like TV or Netbooks */
 476     p_intf->p_sys->i_screenHeight =
 477         app.QApplication::desktop()->availableGeometry().height();
 478
 479 #ifdef UPDATE_CHECK
 480     /* Checking for VLC updates */
 481     if( var_InheritBool( p_intf, "qt-updates-notif" ) &&
 482         !var_InheritBool( p_intf, "qt-privacy-ask" ) )
 483     {
 484         int interval = var_InheritInteger( p_intf, "qt-updates-days" );
 485         if( QDate::currentDate() >
 486              getSettings()->value( "updatedate" ).toDate().addDays( interval ) )
 487         {
 488             /* The constructor of the update Dialog will do the 1st request */
 489             UpdateDialog::getInstance( p_intf );
 490             getSettings()->setValue( "updatedate", QDate::currentDate() );
 491         }
 492     }
 493 #endif
 494
 495     /* Create the normal interface in non-DP mode */
 496     if( !p_intf->p_sys->b_isDialogProvider )
 497     {
 498         p_mi = new MainInterface( p_intf );
 499         p_intf->p_sys->p_mi = p_mi;
 500     }
 501     else
 502         p_mi = NULL;
 503
 504     /* Explain how to show a dialog :D */
 505     p_intf->pf_show_dialog = ShowDialog;
 506
 507     /* Tell the main LibVLC thread we are ready */
 508     vlc_sem_post (&ready);
 509
 510 #ifdef Q_WS_MAC
 511     /* We took over main thread, register and start here */
 512     if( !p_intf->p_sys->b_isDialogProvider )
 513     {
 514         RegisterIntf( (vlc_object_t *)p_intf );
 515         playlist_Play( THEPL );
 516     }
 517 #endif
 518
 519     /* Last settings */
 520     if( p_intf->p_sys->b_isDialogProvider )
 521         app.setQuitOnLastWindowClosed( false );
 522     else
 523         app.setQuitOnLastWindowClosed( true );
 524
 525     /* Retrieve last known path used in file browsing */
 526     p_intf->p_sys->filepath =
 527          getSettings()->value( "filedialog-path", QVLCUserDir( VLC_HOME_DIR ) ).toString();
 528
 529     /* Loads and tries to apply the preferred QStyle */
 530     QString s_style = getSettings()->value( "MainWindow/QtStyle", "" ).toString();
 531     if( s_style.compare("") != 0 )
 532         QApplication::setStyle( s_style );
 533
 534     /* Launch */
 535     app.exec();
 536
 537     msg_Dbg( p_intf, "QApp exec() finished" );
 538     if (p_mi != NULL)
 539     {
 540         QMutexLocker locker (&lock);
 541         active = false;
 542
 543         p_intf->p_sys->p_mi = NULL;
 544         /* Destroy first the main interface because it is connected to some
 545            slots in the MainInputManager */
 546         delete p_mi;
 547     }
 548
 549     /* Destroy all remaining windows,
 550        because some are connected to some slots
 551        in the MainInputManager
 552        Settings must be destroyed after that.
 553      */
 554     DialogsProvider::killInstance();
 555
 556     /* Delete the recentsMRL object before the configuration */
 557     RecentsMRL::killInstance();
 558
 559     /* Save the path or delete if recent play are disabled */
 560     if( var_InheritBool( p_intf, "qt-recentplay" ) )
 561         getSettings()->setValue( "filedialog-path", p_intf->p_sys->filepath );
 562     else
 563         getSettings()->remove( "filedialog-path" );
 564
 565     /* Delete the configuration. Application has to be deleted after that. */
 566     delete p_intf->p_sys->mainSettings;
 567
 568     /* Destroy the MainInputManager */
 569     MainInputManager::killInstance();
 570
 571     /* Delete the application automatically */
 572     return NULL;
 573 }
 574
 575 /*****************************************************************************
 576  * Callback to show a dialog
 577  *****************************************************************************/
 578 static void ShowDialog( intf_thread_t *p_intf, int i_dialog_event, int i_arg,
 579                         intf_dialog_args_t *p_arg )
 580 {
 581     VLC_UNUSED( p_intf );
 582     DialogEvent *event = new DialogEvent( i_dialog_event, i_arg, p_arg );
 583     QApplication::postEvent( THEDP, event );
 584 }
 585
 586 /**
 587  * Video output window provider
 588  *
 589  * TODO move it out of here ?
 590  */
 591 static int WindowControl( vout_window_t *, int i_query, va_list );
 592
 593 static int WindowOpen( vout_window_t *p_wnd, const vout_window_cfg_t *cfg )
 594 {
 595     /* */
 596     if( cfg->is_standalone )
 597         return VLC_EGENERIC;
 598 #if defined (Q_WS_X11)
 599     if( var_InheritBool( p_wnd, "video-wallpaper" ) )
 600         return VLC_EGENERIC;
 601 #endif
 602
 603     intf_thread_t *p_intf =
 604         (intf_thread_t *)var_InheritAddress( p_wnd, "qt4-iface" );
 605     if( !p_intf )
 606     {   /* If another interface is used, this plugin cannot work */
 607         msg_Dbg( p_wnd, "Qt4 interface not found" );
 608         return VLC_EGENERIC;
 609     }
 610
 611     QMutexLocker locker (&lock);
 612     if (unlikely(!active))
 613         return VLC_EGENERIC;
 614
 615     MainInterface *p_mi = p_intf->p_sys->p_mi;
 616     msg_Dbg( p_wnd, "requesting video..." );
 617
 618     int i_x = cfg->x;
 619     int i_y = cfg->y;
 620     unsigned i_width = cfg->width;
 621     unsigned i_height = cfg->height;
 622
 623 #if defined (Q_WS_X11)
 624     p_wnd->handle.xid = p_mi->getVideo( &i_x, &i_y, &i_width, &i_height );
 625     if( !p_wnd->handle.xid )
 626         return VLC_EGENERIC;
 627     p_wnd->display.x11 = NULL;
 628
 629 #elif defined (Q_WS_WIN)
 630     p_wnd->handle.hwnd = p_mi->getVideo( &i_x, &i_y, &i_width, &i_height );
 631     if( !p_wnd->handle.hwnd )
 632         return VLC_EGENERIC;
 633
 634 #elif defined (Q_WS_MAC)
 635     p_wnd->handle.nsobject = (void *)p_mi->getVideo( &i_x, &i_y, &i_width, &i_height );
 636     if( !p_wnd->handle.nsobject )
 637         return VLC_EGENERIC;
 638 #else
 639 # error FIXME
 640 #endif
 641
 642     p_wnd->control = WindowControl;
 643     p_wnd->sys = (vout_window_sys_t*)p_mi;
 644     return VLC_SUCCESS;
 645 }
 646
 647 static int WindowControl( vout_window_t *p_wnd, int i_query, va_list args )
 648 {
 649     MainInterface *p_mi = (MainInterface *)p_wnd->sys;
 650     QMutexLocker locker (&lock);
 651
 652     if (unlikely(!active))
 653     {
 654         msg_Warn (p_wnd, "video already released before control");
 655         return VLC_EGENERIC;
 656     }
 657     return p_mi->controlVideo( i_query, args );
 658 }
 659
 660 static void WindowClose( vout_window_t *p_wnd )
 661 {
 662     MainInterface *p_mi = (MainInterface *)p_wnd->sys;
 663     QMutexLocker locker (&lock);
 664
 665     /* Normally, the interface terminates after the video. In the contrary, the
 666      * Qt4 main loop is gone, so we cannot send any event to the user interface
 667      * widgets. Ideally, we would keep the Qt4 main loop running until after
 668      * the video window is released. But it is far simpler to just have the Qt4
 669      * thread destroy the window early, and to turn this function into a stub.
 670      *
 671      * That assumes the video output will behave sanely if it window is
 672      * destroyed asynchronously.
 673      * XCB and Xlib-XCB are fine with that. Plain Xlib wouldn't, */
 674     if (unlikely(!active))
 675     {
 676         msg_Warn (p_wnd, "video already released");
 677         return;
 678     }
 679     msg_Dbg (p_wnd, "releasing video...");
 680     p_mi->releaseVideo();
 681 }