modules/gui/qt4/main_interface.cpp

   1 /*****************************************************************************
   2  * main_interface.cpp : Main interface
   3  ****************************************************************************
   4  * Copyright (C) 2006-2010 VideoLAN and AUTHORS
   5  * $Id$
   6  *
   7  * Authors: Clément Stenac <zorglub@videolan.org>
   8  *          Jean-Baptiste Kempf <jb@videolan.org>
   9  *          Ilkka Ollakka <ileoo@videolan.org>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software Foundation, Inc.,
  23  * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 #ifdef HAVE_CONFIG_H
  27 # include "config.h"
  28 #endif
  29
  30 #include "qt4.hpp"
  31
  32 #include "main_interface.hpp"
  33 #include "input_manager.hpp"                    // Creation
  34 #include "actions_manager.hpp"                  // killInstance
  35 #include "extensions_manager.hpp"               // killInstance
  36
  37 #include "util/customwidgets.hpp"               // qtEventToVLCKey, QVLCStackedWidget
  38 #include "util/qt_dirs.hpp"                     // toNativeSeparators
  39
  40 #include "components/interface_widgets.hpp"     // bgWidget, videoWidget
  41 #include "components/controller.hpp"            // controllers
  42 #include "components/playlist/playlist.hpp"     // plWidget
  43 #include "dialogs/firstrun.hpp"                 // First Run
  44
  45 #include "menus.hpp"                            // Menu creation
  46 #include "recents.hpp"                          // RecentItems when DnD
  47
  48 #include <QCloseEvent>
  49 #include <QKeyEvent>
  50
  51 #include <QUrl>
  52 #include <QSize>
  53 #include <QDate>
  54
  55 #include <QMenu>
  56 #include <QMenuBar>
  57 #include <QStatusBar>
  58 #include <QLabel>
  59 #include <QStackedWidget>
  60
  61 #include <vlc_keys.h>                       /* Wheel event */
  62 #include <vlc_vout_display.h>               /* vout_thread_t and VOUT_ events */
  63
  64 // #define DEBUG_INTF
  65
  66 /* Callback prototypes */
  67 static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
  68                         vlc_value_t old_val, vlc_value_t new_val, void *param );
  69 static int IntfShowCB( vlc_object_t *p_this, const char *psz_variable,
  70                        vlc_value_t old_val, vlc_value_t new_val, void *param );
  71
  72 MainInterface::MainInterface( intf_thread_t *_p_intf ) : QVLCMW( _p_intf )
  73 {
  74     /* Variables initialisation */
  75     bgWidget             = NULL;
  76     videoWidget          = NULL;
  77     playlistWidget       = NULL;
  78     stackCentralOldWidget= NULL;
  79 #ifndef HAVE_MAEMO
  80     sysTray              = NULL;
  81 #endif
  82     fullscreenControls   = NULL;
  83     cryptedLabel         = NULL;
  84     controls             = NULL;
  85     inputC               = NULL;
  86
  87     b_hideAfterCreation  = false; // --qt-start-minimized
  88     playlistVisible      = false;
  89     input_name           = "";
  90
  91
  92     /* Ask for Privacy */
  93     FirstRun::CheckAndRun( this, p_intf );
  94
  95     /**
  96      *  Configuration and settings
  97      *  Pre-building of interface
  98      **/
  99     /* Main settings */
 100     setFocusPolicy( Qt::StrongFocus );
 101     setAcceptDrops( true );
 102     setWindowRole( "vlc-main" );
 103     setWindowIcon( QApplication::windowIcon() );
 104     setWindowOpacity( var_InheritFloat( p_intf, "qt-opacity" ) );
 105
 106     /* Is video in embedded in the UI or not */
 107     b_videoEmbedded = var_InheritBool( p_intf, "embedded-video" );
 108
 109     /* Does the interface resize to video size or the opposite */
 110     b_keep_size = !var_InheritBool( p_intf, "qt-video-autoresize" );
 111
 112     /* Are we in the enhanced always-video mode or not ? */
 113     i_visualmode = var_InheritInteger( p_intf, "qt-minimal-view" );
 114
 115     /* Do we want anoying popups or not */
 116     b_notificationEnabled = var_InheritBool( p_intf, "qt-notification" );
 117
 118     /* Set the other interface settings */
 119     settings = getSettings();
 120     settings->beginGroup( "MainWindow" );
 121
 122     /* */
 123     b_plDocked = getSettings()->value( "pl-dock-status", true ).toBool();
 124
 125
 126     /**
 127      * Retrieve saved sizes for main window
 128      *   mainBasedSize = based window size for normal mode
 129      *                  (no video, no background)
 130      *   mainVideoSize = window size with video (all modes)
 131      **/
 132     mainBasedSize = settings->value( "mainBasedSize", QSize( 350, 120 ) ).toSize();
 133     mainVideoSize = settings->value( "mainVideoSize", QSize( 400, 300 ) ).toSize();
 134
 135
 136     /**************
 137      * Status Bar *
 138      **************/
 139     createStatusBar();
 140
 141     /**************************
 142      *  UI and Widgets design
 143      **************************/
 144     setVLCWindowsTitle();
 145     createMainWidget( settings );
 146
 147     /************
 148      * Menu Bar *
 149      ************/
 150     QVLCMenu::createMenuBar( this, p_intf );
 151     CONNECT( THEMIM->getIM(), voutListChanged( vout_thread_t **, int ),
 152              this, destroyPopupMenu() );
 153
 154     /*********************************
 155      * Create the Systray Management *
 156      *********************************/
 157     initSystray();
 158
 159     /********************
 160      * Input Manager    *
 161      ********************/
 162     MainInputManager::getInstance( p_intf );
 163
 164 #ifdef WIN32
 165     himl = NULL;
 166     p_taskbl = NULL;
 167     taskbar_wmsg = RegisterWindowMessage("TaskbarButtonCreated");
 168 #endif
 169
 170     /************************************************************
 171      * Connect the input manager to the GUI elements it manages *
 172      ************************************************************/
 173     /**
 174      * Connects on nameChanged()
 175      * Those connects are different because options can impeach them to trigger.
 176      **/
 177     /* Main Interface statusbar */
 178     CONNECT( THEMIM->getIM(), nameChanged( const QString& ),
 179              this, setName( const QString& ) );
 180     /* and systray */
 181 #ifndef HAVE_MAEMO
 182     if( sysTray )
 183     {
 184         CONNECT( THEMIM->getIM(), nameChanged( const QString& ),
 185                  this, updateSystrayTooltipName( const QString& ) );
 186     }
 187 #endif
 188     /* and title of the Main Interface*/
 189     if( var_InheritBool( p_intf, "qt-name-in-title" ) )
 190     {
 191         CONNECT( THEMIM->getIM(), nameChanged( const QString& ),
 192                  this, setVLCWindowsTitle( const QString& ) );
 193     }
 194
 195     /**
 196      * CONNECTS on PLAY_STATUS
 197      **/
 198     /* Status on the systray */
 199 #ifndef HAVE_MAEMO
 200     if( sysTray )
 201     {
 202         CONNECT( THEMIM->getIM(), statusChanged( int ),
 203                  this, updateSystrayTooltipStatus( int ) );
 204     }
 205 #endif
 206
 207     /* END CONNECTS ON IM */
 208
 209     /* VideoWidget connects for asynchronous calls */
 210     connect( this, SIGNAL(askGetVideo(WId*,int*,int*,unsigned*,unsigned *)),
 211              this, SLOT(getVideoSlot(WId*,int*,int*,unsigned*,unsigned*)),
 212              Qt::BlockingQueuedConnection );
 213     connect( this, SIGNAL(askReleaseVideo( void )),
 214              this, SLOT(releaseVideoSlot( void )),
 215              Qt::BlockingQueuedConnection );
 216
 217     if( videoWidget )
 218     {
 219         CONNECT( this, askVideoToResize( unsigned int, unsigned int ),
 220                  videoWidget, SetSizing( unsigned int, unsigned int ) );
 221         CONNECT( videoWidget, sizeChanged( int, int ),
 222                  this, resizeStack( int,  int ) );
 223         CONNECT( this, askVideoSetFullScreen( bool ),
 224                  videoWidget, SetFullScreen( bool ) );
 225         CONNECT( videoWidget, keyPressed( QKeyEvent * ),
 226                  this, handleKeyPress( QKeyEvent * ) );
 227     }
 228
 229     CONNECT( THEDP, toolBarConfUpdated(), this, recreateToolbars() );
 230
 231     /** END of CONNECTS**/
 232
 233
 234     /************
 235      * Callbacks
 236      ************/
 237     var_AddCallback( p_intf->p_libvlc, "intf-show", IntfShowCB, p_intf );
 238
 239     /* Register callback for the intf-popupmenu variable */
 240     var_AddCallback( p_intf->p_libvlc, "intf-popupmenu", PopupMenuCB, p_intf );
 241
 242     /**** FINAL SIZING and placement of interface */
 243     settings->beginGroup( "MainWindow" );
 244     QVLCTools::restoreWidgetPosition( settings, this, QSize(400, 100) );
 245
 246     /* resize to previously saved main window size if appicable */
 247     //FIXME remove.
 248     if( b_keep_size )
 249     {
 250        if( i_visualmode )
 251            resize( mainVideoSize );
 252        else
 253            resize( mainBasedSize );
 254     }
 255
 256     /* Playlist */
 257     int i_plVis = settings->value( "playlist-visible", 0 ).toInt();
 258
 259     settings->endGroup();
 260
 261     if( i_plVis ) togglePlaylist();
 262
 263     /* Final sizing and showing */
 264     setVisible( !b_hideAfterCreation );
 265
 266     setMinimumWidth( __MAX( controls->sizeHint().width(),
 267                             menuBar()->sizeHint().width() ) + 30 );
 268
 269     /* Switch to minimal view if needed, must be called after the show() */
 270     if( i_visualmode )
 271         toggleMinimalView( true );
 272 }
 273
 274 MainInterface::~MainInterface()
 275 {
 276     /* Unsure we hide the videoWidget before destroying it */
 277     if( stackCentralOldWidget == playlistWidget )
 278         showBg();
 279
 280     /* Save playlist state */
 281     if( playlistWidget )
 282     {
 283         if( !isPlDocked() )
 284             QVLCTools::saveWidgetPosition( p_intf, "Playlist", playlistWidget );
 285
 286         delete playlistWidget;
 287     }
 288
 289 #ifdef WIN32
 290     if( himl )
 291         ImageList_Destroy( himl );
 292     if(p_taskbl)
 293         p_taskbl->vt->Release(p_taskbl);
 294     CoUninitialize();
 295 #endif
 296
 297     /* Be sure to kill the actionsManager... Only used in the MI and control */
 298     ActionsManager::killInstance();
 299
 300     /* Idem */
 301     ExtensionsManager::killInstance();
 302
 303     /* Delete the FSC controller */
 304     delete fullscreenControls;
 305
 306     /* Save states */
 307     settings->beginGroup( "MainWindow" );
 308     settings->setValue( "pl-dock-status", b_plDocked );
 309     settings->setValue( "playlist-visible", (int)playlistVisible );
 310     settings->setValue( "adv-controls",
 311                         getControlsVisibilityStatus() & CONTROLS_ADVANCED );
 312
 313     settings->setValue( "mainBasedSize", mainBasedSize );
 314     settings->setValue( "mainVideoSize", mainVideoSize );
 315
 316     settings->setValue( "backgroundSize", bgWidget->size() );
 317
 318     /* Save this size */
 319     QVLCTools::saveWidgetPosition(settings, this);
 320     settings->endGroup();
 321
 322     delete statusBar();
 323
 324     /* Unregister callbacks */
 325     var_DelCallback( p_intf->p_libvlc, "intf-show", IntfShowCB, p_intf );
 326     var_DelCallback( p_intf->p_libvlc, "intf-popupmenu", PopupMenuCB, p_intf );
 327
 328     p_intf->p_sys->p_mi = NULL;
 329 }
 330
 331 /*****************************
 332  *   Main UI handling        *
 333  *****************************/
 334 void MainInterface::recreateToolbars()
 335 {
 336     // FIXME: do the same for the FSC
 337     settings->beginGroup( "MainWindow" );
 338     delete controls;
 339     delete inputC;
 340
 341     controls = new ControlsWidget( p_intf, false, this ); /* FIXME */
 342     CONNECT( controls, advancedControlsToggled( bool ),
 343              this, adaptGeometry() );
 344     CONNECT( controls, sizeChanged(),
 345              this, adaptGeometry() );
 346
 347     inputC = new InputControlsWidget( p_intf, this );
 348
 349     mainLayout->insertWidget( 2, inputC );
 350     mainLayout->insertWidget( settings->value( "ToolbarPos", 0 ).toInt() ? 0: 3,
 351                               controls );
 352     settings->endGroup();
 353 }
 354
 355 void MainInterface::createMainWidget( QSettings *settings )
 356 {
 357     /* Create the main Widget and the mainLayout */
 358     QWidget *main = new QWidget;
 359     setCentralWidget( main );
 360     mainLayout = new QVBoxLayout( main );
 361     main->setContentsMargins( 0, 0, 0, 0 );
 362     mainLayout->setSpacing( 0 ); mainLayout->setMargin( 0 );
 363
 364     /* */
 365     stackCentralW = new QVLCStackedWidget( main );
 366
 367     /* Bg Cone */
 368     bgWidget = new BackgroundWidget( p_intf );
 369     stackCentralW->addWidget( bgWidget );
 370
 371     /* And video Outputs */
 372     if( b_videoEmbedded )
 373     {
 374         videoWidget = new VideoWidget( p_intf );
 375         stackCentralW->addWidget( videoWidget );
 376     }
 377     mainLayout->insertWidget( 1, stackCentralW );
 378
 379     /* Create the CONTROLS Widget */
 380     controls = new ControlsWidget( p_intf,
 381                    settings->value( "adv-controls", false ).toBool(), this );
 382     CONNECT( controls, advancedControlsToggled( bool ),
 383              this, adaptGeometry() );
 384     CONNECT( controls, sizeChanged(),
 385              this, adaptGeometry() );
 386     inputC = new InputControlsWidget( p_intf, this );
 387
 388     mainLayout->insertWidget( 2, inputC );
 389     mainLayout->insertWidget( settings->value( "ToolbarPos", 0 ).toInt() ? 0: 3,
 390                               controls );
 391
 392     /* Visualisation, disabled for now, they SUCK */
 393     #if 0
 394     visualSelector = new VisualSelector( p_intf );
 395     mainLayout->insertWidget( 0, visualSelector );
 396     visualSelector->hide();
 397     #endif
 398
 399     getSettings()->endGroup();
 400
 401     /* Enable the popup menu in the MI */
 402     main->setContextMenuPolicy( Qt::CustomContextMenu );
 403     CONNECT( main, customContextMenuRequested( const QPoint& ),
 404              this, popupMenu( const QPoint& ) );
 405
 406     if ( depth() > 8 ) /* 8bit depth has too many issues with opacity */
 407         /* Create the FULLSCREEN CONTROLS Widget */
 408         if( var_InheritBool( p_intf, "qt-fs-controller" ) )
 409         {
 410             fullscreenControls = new FullscreenControllerWidget( p_intf, this );
 411             CONNECT( fullscreenControls, keyPressed( QKeyEvent * ),
 412                      this, handleKeyPress( QKeyEvent * ) );
 413         }
 414 }
 415
 416 inline void MainInterface::initSystray()
 417 {
 418 #ifndef HAVE_MAEMO
 419     bool b_systrayAvailable = QSystemTrayIcon::isSystemTrayAvailable();
 420     bool b_systrayWanted = var_InheritBool( p_intf, "qt-system-tray" );
 421
 422     if( var_InheritBool( p_intf, "qt-start-minimized") )
 423     {
 424         if( b_systrayAvailable )
 425         {
 426             b_systrayWanted = true;
 427             b_hideAfterCreation = true;
 428         }
 429         else
 430             msg_Err( p_intf, "cannot start minimized without system tray bar" );
 431     }
 432
 433     if( b_systrayAvailable && b_systrayWanted )
 434         createSystray();
 435 #endif
 436 }
 437
 438 inline void MainInterface::createStatusBar()
 439 {
 440     /****************
 441      *  Status Bar  *
 442      ****************/
 443     /* Widgets Creation*/
 444     QStatusBar *statusBarr = statusBar();
 445
 446     TimeLabel *timeLabel = new TimeLabel( p_intf );
 447     nameLabel = new QLabel( this );
 448     nameLabel->setTextInteractionFlags( Qt::TextSelectableByMouse
 449                                       | Qt::TextSelectableByKeyboard );
 450     SpeedLabel *speedLabel = new SpeedLabel( p_intf, this );
 451
 452     /* Styling those labels */
 453     timeLabel->setFrameStyle( QFrame::Sunken | QFrame::Panel );
 454     speedLabel->setFrameStyle( QFrame::Sunken | QFrame::Panel );
 455     nameLabel->setFrameStyle( QFrame::Sunken | QFrame::StyledPanel);
 456
 457     /* and adding those */
 458     statusBarr->addWidget( nameLabel, 8 );
 459     statusBarr->addPermanentWidget( speedLabel, 0 );
 460     statusBarr->addPermanentWidget( timeLabel, 0 );
 461
 462     /* timeLabel behaviour:
 463        - double clicking opens the goto time dialog
 464        - right-clicking and clicking just toggle between remaining and
 465          elapsed time.*/
 466     CONNECT( timeLabel, timeLabelDoubleClicked(), THEDP, gotoTimeDialog() );
 467
 468     CONNECT( THEMIM->getIM(), encryptionChanged( bool ),
 469              this, showCryptedLabel( bool ) );
 470
 471     CONNECT( THEMIM->getIM(), seekRequested( float ),
 472              timeLabel, setDisplayPosition( float ) );
 473 }
 474
 475 /**********************************************************************
 476  * Handling of sizing of the components
 477  **********************************************************************/
 478
 479 /* This function is called:
 480    - Advanced buttons toggled
 481    - Toolbar geom changed
 482  */
 483 void MainInterface::adaptGeometry()
 484 {
 485   resize( sizeHint() );
 486
 487 #ifdef DEBUG_INTF
 488     debug();
 489 #endif
 490 }
 491
 492 void MainInterface::debug()
 493 {
 494 #ifdef DEBUG_INTF
 495     msg_Dbg( p_intf, "size: %i - %i", size().height(), size().width() );
 496     msg_Dbg( p_intf, "sizeHint: %i - %i", sizeHint().height(), sizeHint().width() );
 497     msg_Dbg( p_intf, "minimumsize: %i - %i", minimumSize().height(), minimumSize().width() );
 498
 499     msg_Dbg( p_intf, "Stack size: %i - %i", stackCentralW->size().height(), stackCentralW->size().width() );
 500     msg_Dbg( p_intf, "Stack sizeHint: %i - %i", stackCentralW->sizeHint().height(), stackCentralW->sizeHint().width() );
 501     msg_Dbg( p_intf, "Central size: %i - %i", centralWidget()->size().height(), centralWidget()->size().width() );
 502 #endif
 503 }
 504
 505 inline void MainInterface::showVideo() { showTab( videoWidget ); }
 506 inline void MainInterface::showBg() { showTab( bgWidget ); }
 507
 508 inline void MainInterface::showTab( QWidget *widget )
 509 {
 510 #ifdef DEBUG_INTF
 511     msg_Warn( p_intf, "Old stackCentralOldWidget %i", stackCentralW->indexOf( stackCentralOldWidget ) );
 512 #endif
 513     stackCentralOldWidget = stackCentralW->currentWidget();
 514     stackCentralW->setCurrentWidget( widget );
 515
 516 #ifdef DEBUG_INTF
 517     msg_Warn( p_intf, "State change %i",  stackCentralW->currentIndex() );
 518     msg_Warn( p_intf, "New stackCentralOldWidget %i", stackCentralW->indexOf( stackCentralOldWidget ) );
 519 #endif
 520 }
 521
 522 inline void MainInterface::restoreStackOldWidget()
 523 {
 524 #ifdef DEBUG_INTF
 525     msg_Warn( p_intf, "New stackCentralOldWidget %i", stackCentralW->indexOf( stackCentralOldWidget ) );
 526 #endif
 527     QWidget *wTemp = stackCentralW->currentWidget();
 528
 529     stackCentralW->setCurrentWidget( stackCentralOldWidget );
 530
 531     stackCentralOldWidget = wTemp;
 532 #ifdef DEBUG_INTF
 533     msg_Warn( p_intf, "Debug %i %i",stackCentralW->indexOf( wTemp ), stackCentralW->indexOf( stackCentralW->currentWidget() ) );
 534 #endif
 535 }
 536
 537 void MainInterface::destroyPopupMenu()
 538 {
 539     QVLCMenu::PopupMenu( p_intf, false );
 540 }
 541
 542 void MainInterface::popupMenu( const QPoint &p )
 543 {
 544     QVLCMenu::PopupMenu( p_intf, true );
 545 }
 546
 547 void MainInterface::toggleFSC()
 548 {
 549    if( !fullscreenControls ) return;
 550
 551    IMEvent *eShow = new IMEvent( FullscreenControlToggle_Type, 0 );
 552    QApplication::postEvent( fullscreenControls, eShow );
 553 }
 554
 555 /****************************************************************************
 556  * Video Handling
 557  ****************************************************************************/
 558
 559 /* This event is used to deal with the fullscreen and always on top
 560    issue conflict (bug in wx) */
 561 class SetVideoOnTopQtEvent : public QEvent
 562 {
 563 public:
 564     SetVideoOnTopQtEvent( bool _onTop ) :
 565       QEvent( (QEvent::Type)SetVideoOnTopEvent_Type ), onTop( _onTop)
 566     {}
 567
 568     bool OnTop() const { return onTop; }
 569
 570 private:
 571     bool onTop;
 572 };
 573
 574 /**
 575  * NOTE:
 576  * You must not change the state of this object or other Qt4 UI objects,
 577  * from the video output thread - only from the Qt4 UI main loop thread.
 578  * All window provider queries must be handled through signals or events.
 579  * That's why we have all those emit statements...
 580  */
 581 WId MainInterface::getVideo( int *pi_x, int *pi_y,
 582                              unsigned int *pi_width, unsigned int *pi_height )
 583 {
 584     if( !videoWidget )
 585         return 0;
 586
 587     /* This is a blocking call signal. Results are returned through pointers.
 588      * Beware of deadlocks! */
 589     WId id;
 590     emit askGetVideo( &id, pi_x, pi_y, pi_width, pi_height );
 591     return id;
 592 }
 593
 594 void MainInterface::getVideoSlot( WId *p_id, int *pi_x, int *pi_y,
 595                                   unsigned *pi_width, unsigned *pi_height )
 596 {
 597     /* Request the videoWidget */
 598     WId ret = videoWidget->request( pi_x, pi_y,
 599                                     pi_width, pi_height, b_keep_size );
 600     *p_id = ret;
 601     if( ret ) /* The videoWidget is available */
 602     {
 603         /* ask videoWidget to show */
 604         videoWidget->SetSizing( *pi_width, *pi_height );
 605
 606         /* Consider the video active now */
 607         showVideo();
 608     }
 609 }
 610
 611 /* Asynchronous call from the WindowClose function */
 612 void MainInterface::releaseVideo( void )
 613 {
 614     emit askReleaseVideo();
 615 }
 616
 617 /* Function that is CONNECTED to the previous emit */
 618 void MainInterface::releaseVideoSlot( void )
 619 {
 620     videoWidget->release();
 621
 622     restoreStackOldWidget();
 623
 624     /* We don't want to have a blank video to popup */
 625     stackCentralOldWidget = bgWidget;
 626 }
 627
 628 /* Asynchronous call from WindowControl function */
 629 int MainInterface::controlVideo( int i_query, va_list args )
 630 {
 631     switch( i_query )
 632     {
 633     case VOUT_WINDOW_SET_SIZE:
 634     {
 635         unsigned int i_width  = va_arg( args, unsigned int );
 636         unsigned int i_height = va_arg( args, unsigned int );
 637         emit askVideoToResize( i_width, i_height );
 638         return VLC_SUCCESS;
 639     }
 640     case VOUT_WINDOW_SET_STATE:
 641     {
 642         unsigned i_arg = va_arg( args, unsigned );
 643         unsigned on_top = i_arg & VOUT_WINDOW_STATE_ABOVE;
 644         QApplication::postEvent( this, new SetVideoOnTopQtEvent( on_top ) );
 645         return VLC_SUCCESS;
 646     }
 647     case VOUT_WINDOW_SET_FULLSCREEN:
 648     {
 649         bool b_fs = va_arg( args, int );
 650         emit askVideoSetFullScreen( b_fs );
 651         return VLC_SUCCESS;
 652     }
 653     default:
 654         msg_Warn( p_intf, "unsupported control query" );
 655         return VLC_EGENERIC;
 656     }
 657 }
 658
 659 /*****************************************************************************
 660  * Playlist, Visualisation and Menus handling
 661  *****************************************************************************/
 662 /**
 663  * Toggle the playlist widget or dialog
 664  **/
 665 void MainInterface::createPlaylist()
 666 {
 667     playlistWidget = new PlaylistWidget( p_intf, this );
 668
 669     if( !b_plDocked )
 670     {
 671         playlistWidget->setWindowFlags( Qt::Window );
 672
 673         /* This will restore the geometry but will not work for position,
 674            because of parenting */
 675         QVLCTools::restoreWidgetPosition( p_intf, "Playlist",
 676                 playlistWidget, QSize( 600, 300 ) );
 677     }
 678     else
 679     {
 680         stackCentralW->addWidget( playlistWidget );
 681     }
 682 }
 683
 684 void MainInterface::togglePlaylist()
 685 {
 686     if( !playlistWidget )
 687         createPlaylist();
 688
 689     if( b_plDocked )
 690     {
 691         /* Playlist is not visible, show it */
 692         if( stackCentralW->currentWidget() != playlistWidget )
 693         {
 694             showTab( playlistWidget );
 695         }
 696         else /* Hide it! */
 697         {
 698             restoreStackOldWidget();
 699         }
 700         playlistVisible = ( stackCentralW->currentWidget() == playlistWidget );
 701     }
 702     else
 703     {
 704         playlistWidget->setWindowFlags( Qt::Window );
 705         playlistVisible = !playlistVisible;
 706         playlistWidget->setVisible( playlistVisible );
 707     }
 708     debug();
 709 }
 710
 711 void MainInterface::dockPlaylist( bool p_docked )
 712 {
 713     if( b_plDocked == p_docked ) return;
 714     b_plDocked = p_docked;
 715
 716     if( !playlistWidget ) return; /* Playlist wasn't created yet */
 717     if( !p_docked )
 718     {
 719         stackCentralW->removeWidget( playlistWidget );
 720         playlistWidget->setWindowFlags( Qt::Window );
 721         QVLCTools::restoreWidgetPosition( p_intf, "Playlist",
 722                 playlistWidget, QSize( 600, 300 ) );
 723         playlistWidget->show();
 724         restoreStackOldWidget();
 725     }
 726     else
 727     {
 728         playlistWidget->setWindowFlags( Qt::Widget ); // Probably a Qt bug here
 729         // It would be logical that QStackWidget::addWidget reset the flags...
 730         stackCentralW->addWidget( playlistWidget );
 731         stackCentralW->setCurrentWidget( playlistWidget );
 732     }
 733 }
 734
 735 /*
 736   If b_switch is false, then we are normalView
 737  */
 738 void MainInterface::toggleMinimalView( bool b_switch )
 739 {
 740     if( i_visualmode == 0 )
 741     { /* NORMAL MODE then */
 742         if( !videoWidget || stackCentralW->currentWidget() != videoWidget )
 743         {
 744             showBg();
 745         }
 746         else
 747         {
 748             /* If video is visible, then toggle the status of bgWidget */
 749             //FIXME
 750             //bgWasVisible = !bgWasVisible;
 751             /* if( stackCentralOldState == BACK G_TAB )
 752                 stackCentralOldState = HID DEN_TAB;
 753             else
 754                 stackCentralOldState = BACK G_TAB;
 755
 756                 */
 757         }
 758     }
 759
 760     menuBar()->setVisible( !b_switch );
 761     controls->setVisible( !b_switch );
 762     statusBar()->setVisible( !b_switch );
 763     inputC->setVisible( !b_switch );
 764
 765     emit minimalViewToggled( b_switch );
 766 }
 767
 768 /* toggling advanced controls buttons */
 769 void MainInterface::toggleAdvancedButtons()
 770 {
 771     controls->toggleAdvanced();
 772 //    if( fullscreenControls ) fullscreenControls->toggleAdvanced();
 773 }
 774
 775 /* Get the visibility status of the controls (hidden or not, advanced or not) */
 776 int MainInterface::getControlsVisibilityStatus()
 777 {
 778     return( (controls->isVisible() ? CONTROLS_VISIBLE : CONTROLS_HIDDEN )
 779                 + CONTROLS_ADVANCED * controls->b_advancedVisible );
 780 }
 781
 782 #if 0
 783 void MainInterface::visual()
 784 {
 785     if( !VISIBLE( visualSelector) )
 786     {
 787         visualSelector->show();
 788         if( !THEMIM->getIM()->hasVideo() )
 789         {
 790             /* Show the background widget */
 791         }
 792         visualSelectorEnabled = true;
 793     }
 794     else
 795     {
 796         /* Stop any currently running visualization */
 797         visualSelector->hide();
 798         visualSelectorEnabled = false;
 799     }
 800 }
 801 #endif
 802
 803 /************************************************************************
 804  * Other stuff
 805  ************************************************************************/
 806 void MainInterface::setName( const QString& name )
 807 {
 808     input_name = name; /* store it for the QSystray use */
 809     /* Display it in the status bar, but also as a Tooltip in case it doesn't
 810        fit in the label */
 811     nameLabel->setText( " " + name + " " );
 812     nameLabel->setToolTip( " " + name +" " );
 813 }
 814
 815 /**
 816  * Give the decorations of the Main Window a correct Name.
 817  * If nothing is given, set it to VLC...
 818  **/
 819 void MainInterface::setVLCWindowsTitle( const QString& aTitle )
 820 {
 821     if( aTitle.isEmpty() )
 822     {
 823         setWindowTitle( qtr( "VLC media player" ) );
 824     }
 825     else
 826     {
 827         setWindowTitle( aTitle + " - " + qtr( "VLC media player" ) );
 828     }
 829 }
 830
 831 void MainInterface::showCryptedLabel( bool b_show )
 832 {
 833     if( cryptedLabel == NULL )
 834     {
 835         cryptedLabel = new QLabel;
 836         // The lock icon is not the right one for DRM protection/scrambled.
 837         //cryptedLabel->setPixmap( QPixmap( ":/lock" ) );
 838         cryptedLabel->setText( "DRM" );
 839         statusBar()->addWidget( cryptedLabel );
 840     }
 841
 842     cryptedLabel->setVisible( b_show );
 843 }
 844
 845 void MainInterface::showBuffering( float f_cache )
 846 {
 847     QString amount = QString("Buffering: %1%").arg( (int)(100*f_cache) );
 848     statusBar()->showMessage( amount, 1000 );
 849 }
 850
 851 /*****************************************************************************
 852  * Systray Icon and Systray Menu
 853  *****************************************************************************/
 854 #ifndef HAVE_MAEMO
 855 /**
 856  * Create a SystemTray icon and a menu that would go with it.
 857  * Connects to a click handler on the icon.
 858  **/
 859 void MainInterface::createSystray()
 860 {
 861     QIcon iconVLC;
 862     if( QDate::currentDate().dayOfYear() >= 354 )
 863         iconVLC =  QIcon( ":/logo/vlc128-christmas.png" );
 864     else
 865         iconVLC =  QIcon( ":/logo/vlc128.png" );
 866     sysTray = new QSystemTrayIcon( iconVLC, this );
 867     sysTray->setToolTip( qtr( "VLC media player" ));
 868
 869     systrayMenu = new QMenu( qtr( "VLC media player" ), this );
 870     systrayMenu->setIcon( iconVLC );
 871
 872     QVLCMenu::updateSystrayMenu( this, p_intf, true );
 873     sysTray->show();
 874
 875     CONNECT( sysTray, activated( QSystemTrayIcon::ActivationReason ),
 876             this, handleSystrayClick( QSystemTrayIcon::ActivationReason ) );
 877 }
 878
 879 /**
 880  * Updates the Systray Icon's menu and toggle the main interface
 881  */
 882 void MainInterface::toggleUpdateSystrayMenu()
 883 {
 884     /* If hidden, show it */
 885     if( isHidden() )
 886     {
 887         show();
 888         activateWindow();
 889     }
 890     else if( isMinimized() )
 891     {
 892         /* Minimized */
 893         showNormal();
 894         activateWindow();
 895     }
 896     else
 897     {
 898         /* Visible (possibly under other windows) */
 899 #ifdef WIN32
 900         /* check if any visible window is above vlc in the z-order,
 901          * but ignore the ones always on top
 902          * and the ones which can't be activated */
 903         WINDOWINFO wi;
 904         HWND hwnd;
 905         wi.cbSize = sizeof( WINDOWINFO );
 906         for( hwnd = GetNextWindow( internalWinId(), GW_HWNDPREV );
 907                 hwnd && ( !IsWindowVisible( hwnd ) ||
 908                     ( GetWindowInfo( hwnd, &wi ) &&
 909                       (wi.dwExStyle&WS_EX_NOACTIVATE) ) );
 910                 hwnd = GetNextWindow( hwnd, GW_HWNDPREV ) );
 911             if( !hwnd || !GetWindowInfo( hwnd, &wi ) ||
 912                 (wi.dwExStyle&WS_EX_TOPMOST) )
 913             {
 914                 hide();
 915             }
 916             else
 917             {
 918                 activateWindow();
 919             }
 920 #else
 921         hide();
 922 #endif
 923     }
 924     QVLCMenu::updateSystrayMenu( this, p_intf );
 925 }
 926
 927 void MainInterface::handleSystrayClick(
 928                                     QSystemTrayIcon::ActivationReason reason )
 929 {
 930     switch( reason )
 931     {
 932         case QSystemTrayIcon::Trigger:
 933         case QSystemTrayIcon::DoubleClick:
 934             toggleUpdateSystrayMenu();
 935             break;
 936         case QSystemTrayIcon::MiddleClick:
 937             sysTray->showMessage( qtr( "VLC media player" ),
 938                     qtr( "Control menu for the player" ),
 939                     QSystemTrayIcon::Information, 3000 );
 940             break;
 941         default:
 942             break;
 943     }
 944 }
 945
 946 /**
 947  * Updates the name of the systray Icon tooltip.
 948  * Doesn't check if the systray exists, check before you call it.
 949  **/
 950 void MainInterface::updateSystrayTooltipName( const QString& name )
 951 {
 952     if( name.isEmpty() )
 953     {
 954         sysTray->setToolTip( qtr( "VLC media player" ) );
 955     }
 956     else
 957     {
 958         sysTray->setToolTip( name );
 959         if( b_notificationEnabled && ( isHidden() || isMinimized() ) )
 960         {
 961             sysTray->showMessage( qtr( "VLC media player" ), name,
 962                     QSystemTrayIcon::NoIcon, 3000 );
 963         }
 964     }
 965
 966     QVLCMenu::updateSystrayMenu( this, p_intf );
 967 }
 968
 969 /**
 970  * Updates the status of the systray Icon tooltip.
 971  * Doesn't check if the systray exists, check before you call it.
 972  **/
 973 void MainInterface::updateSystrayTooltipStatus( int i_status )
 974 {
 975     switch( i_status )
 976     {
 977         case  0:
 978         case  END_S:
 979             {
 980                 sysTray->setToolTip( qtr( "VLC media player" ) );
 981                 break;
 982             }
 983         case PLAYING_S:
 984             {
 985                 sysTray->setToolTip( input_name );
 986                 break;
 987             }
 988         case PAUSE_S:
 989             {
 990                 sysTray->setToolTip( input_name + " - "
 991                         + qtr( "Paused") );
 992                 break;
 993             }
 994     }
 995     QVLCMenu::updateSystrayMenu( this, p_intf );
 996 }
 997 #endif
 998
 999 /************************************************************************
1000  * D&D Events
1001  ************************************************************************/
1002 void MainInterface::dropEvent(QDropEvent *event)
1003 {
1004     dropEventPlay( event, true );
1005 }
1006
1007 void MainInterface::dropEventPlay( QDropEvent *event, bool b_play )
1008 {
1009     event->setDropAction( Qt::CopyAction );
1010     if( !event->possibleActions() & Qt::CopyAction )
1011         return;
1012
1013     const QMimeData *mimeData = event->mimeData();
1014
1015     /* D&D of a subtitles file, add it on the fly */
1016     if( mimeData->urls().size() == 1 && THEMIM->getIM()->hasInput() )
1017     {
1018         if( !input_AddSubtitle( THEMIM->getInput(),
1019                  qtu( toNativeSeparators( mimeData->urls()[0].toLocalFile() ) ),
1020                  true ) )
1021         {
1022             event->accept();
1023             return;
1024         }
1025     }
1026
1027     bool first = b_play;
1028     foreach( const QUrl &url, mimeData->urls() )
1029     {
1030         QString s = toNativeSeparators( url.toLocalFile() );
1031
1032         if( s.length() > 0 ) {
1033             char* psz_uri = make_URI( qtu(s) );
1034             playlist_Add( THEPL, psz_uri, NULL,
1035                           PLAYLIST_APPEND | (first ? PLAYLIST_GO: PLAYLIST_PREPARSE),
1036                           PLAYLIST_END, true, pl_Unlocked );
1037             free( psz_uri );
1038             first = false;
1039             RecentsMRL::getInstance( p_intf )->addRecent( s );
1040         }
1041     }
1042     event->accept();
1043 }
1044 void MainInterface::dragEnterEvent(QDragEnterEvent *event)
1045 {
1046      event->acceptProposedAction();
1047 }
1048 void MainInterface::dragMoveEvent(QDragMoveEvent *event)
1049 {
1050      event->acceptProposedAction();
1051 }
1052 void MainInterface::dragLeaveEvent(QDragLeaveEvent *event)
1053 {
1054      event->accept();
1055 }
1056
1057 /************************************************************************
1058  * Events stuff
1059  ************************************************************************/
1060 void MainInterface::customEvent( QEvent *event )
1061 {
1062 #if 0
1063     if( event->type() == PLDockEvent_Type )
1064     {
1065         PlaylistDialog::killInstance();
1066         playlistEmbeddedFlag = true;
1067         menuBar()->clear();
1068         QVLCMenu::createMenuBar(this, p_intf, true, visualSelectorEnabled);
1069         togglePlaylist();
1070     }
1071 #endif
1072     /*else */
1073     if ( event->type() == (int)SetVideoOnTopEvent_Type )
1074     {
1075         SetVideoOnTopQtEvent* p_event = (SetVideoOnTopQtEvent*)event;
1076         if( p_event->OnTop() )
1077             setWindowFlags( windowFlags() | Qt::WindowStaysOnTopHint );
1078         else
1079             setWindowFlags( windowFlags() & ~Qt::WindowStaysOnTopHint );
1080         show(); /* necessary to apply window flags */
1081     }
1082 }
1083
1084 void MainInterface::keyPressEvent( QKeyEvent *e )
1085 {
1086     handleKeyPress( e );
1087 }
1088
1089 void MainInterface::handleKeyPress( QKeyEvent *e )
1090 {
1091     if( ( e->modifiers() &  Qt::ControlModifier ) && ( e->key() == Qt::Key_H )
1092           && !menuBar()->isVisible() )
1093     {
1094         toggleMinimalView( false );
1095         e->accept();
1096     }
1097
1098     int i_vlck = qtEventToVLCKey( e );
1099     if( i_vlck > 0 )
1100     {
1101         var_SetInteger( p_intf->p_libvlc, "key-pressed", i_vlck );
1102         e->accept();
1103     }
1104     else
1105         e->ignore();
1106 }
1107
1108 void MainInterface::resizeEvent( QResizeEvent * event )
1109 {
1110 #if 0
1111     if( b_keep_size )
1112     {
1113         if( i_visualmode )
1114         {
1115                 mainVideoSize = size();
1116         }
1117         else
1118         {
1119             if( VISIBLE( bgWidget) ||
1120                 ( videoIsActive && videoWidget->isVisible() )
1121               )
1122                 mainVideoSize = size();
1123             else
1124                 mainBasedSize = size();
1125         }
1126     }
1127 #endif
1128     QVLCMW::resizeEvent( event );
1129     msg_Dbg( p_intf, "Resize Event, height: %i", size().height() );
1130     debug();
1131 }
1132
1133 void MainInterface::wheelEvent( QWheelEvent *e )
1134 {
1135     int i_vlckey = qtWheelEventToVLCKey( e );
1136     var_SetInteger( p_intf->p_libvlc, "key-pressed", i_vlckey );
1137     e->accept();
1138 }
1139
1140 void MainInterface::closeEvent( QCloseEvent *e )
1141 {
1142     e->accept();
1143     hide();
1144     THEDP->quit();
1145 }
1146
1147 void MainInterface::toggleFullScreen()
1148 {
1149     if( isFullScreen() )
1150     {
1151         showNormal();
1152         emit fullscreenInterfaceToggled( false );
1153     }
1154     else
1155     {
1156         showFullScreen();
1157         emit fullscreenInterfaceToggled( true );
1158     }
1159 }
1160
1161 /*****************************************************************************
1162  * PopupMenuCB: callback triggered by the intf-popupmenu playlist variable.
1163  *  We don't show the menu directly here because we don't want the
1164  *  caller to block for a too long time.
1165  *****************************************************************************/
1166 static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
1167                         vlc_value_t old_val, vlc_value_t new_val, void *param )
1168 {
1169     intf_thread_t *p_intf = (intf_thread_t *)param;
1170
1171     if( p_intf->pf_show_dialog )
1172     {
1173         p_intf->pf_show_dialog( p_intf, INTF_DIALOG_POPUPMENU,
1174                                 new_val.b_bool, NULL );
1175     }
1176
1177     return VLC_SUCCESS;
1178 }
1179
1180 /*****************************************************************************
1181  * IntfShowCB: callback triggered by the intf-show libvlc variable.
1182  *****************************************************************************/
1183 static int IntfShowCB( vlc_object_t *p_this, const char *psz_variable,
1184                        vlc_value_t old_val, vlc_value_t new_val, void *param )
1185 {
1186     intf_thread_t *p_intf = (intf_thread_t *)param;
1187     p_intf->p_sys->p_mi->toggleFSC();
1188
1189     /* Show event */
1190      return VLC_SUCCESS;
1191 }