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 #ifdef Q_WS_MAC
 106     setAttribute( Qt::WA_MacBrushedMetal );
 107 #endif
 108
 109     /* Is video in embedded in the UI or not */
 110     b_videoEmbedded = var_InheritBool( p_intf, "embedded-video" );
 111
 112     /* Does the interface resize to video size or the opposite */
 113     b_autoresize = var_InheritBool( p_intf, "qt-video-autoresize" );
 114
 115     /* Are we in the enhanced always-video mode or not ? */
 116     b_minimalView = var_InheritBool( p_intf, "qt-minimal-view" );
 117
 118     /* Do we want anoying popups or not */
 119     b_notificationEnabled = var_InheritBool( p_intf, "qt-notification" );
 120
 121     /* Set the other interface settings */
 122     settings = getSettings();
 123     settings->beginGroup( "MainWindow" );
 124
 125     /* */
 126     b_plDocked = getSettings()->value( "pl-dock-status", true ).toBool();
 127
 128     settings->endGroup( );
 129
 130     /**************
 131      * Status Bar *
 132      **************/
 133     createStatusBar();
 134
 135     /**************************
 136      *  UI and Widgets design
 137      **************************/
 138     setVLCWindowsTitle();
 139
 140     /************
 141      * Menu Bar *
 142      ************/
 143     QVLCMenu::createMenuBar( this, p_intf );
 144     CONNECT( THEMIM->getIM(), voutListChanged( vout_thread_t **, int ),
 145              this, destroyPopupMenu() );
 146
 147     createMainWidget( settings );
 148     /*********************************
 149      * Create the Systray Management *
 150      *********************************/
 151     initSystray();
 152
 153     /********************
 154      * Input Manager    *
 155      ********************/
 156     MainInputManager::getInstance( p_intf );
 157
 158 #ifdef WIN32
 159     himl = NULL;
 160     p_taskbl = NULL;
 161     taskbar_wmsg = RegisterWindowMessage("TaskbarButtonCreated");
 162 #endif
 163
 164     /************************************************************
 165      * Connect the input manager to the GUI elements it manages *
 166      ************************************************************/
 167     /**
 168      * Connects on nameChanged()
 169      * Those connects are different because options can impeach them to trigger.
 170      **/
 171     /* Main Interface statusbar */
 172     CONNECT( THEMIM->getIM(), nameChanged( const QString& ),
 173              this, setName( const QString& ) );
 174     /* and systray */
 175 #ifndef HAVE_MAEMO
 176     if( sysTray )
 177     {
 178         CONNECT( THEMIM->getIM(), nameChanged( const QString& ),
 179                  this, updateSystrayTooltipName( const QString& ) );
 180     }
 181 #endif
 182     /* and title of the Main Interface*/
 183     if( var_InheritBool( p_intf, "qt-name-in-title" ) )
 184     {
 185         CONNECT( THEMIM->getIM(), nameChanged( const QString& ),
 186                  this, setVLCWindowsTitle( const QString& ) );
 187     }
 188
 189     /**
 190      * CONNECTS on PLAY_STATUS
 191      **/
 192     /* Status on the systray */
 193 #ifndef HAVE_MAEMO
 194     if( sysTray )
 195     {
 196         CONNECT( THEMIM->getIM(), statusChanged( int ),
 197                  this, updateSystrayTooltipStatus( int ) );
 198     }
 199 #endif
 200
 201     /* END CONNECTS ON IM */
 202
 203     /* VideoWidget connects for asynchronous calls */
 204     b_videoFullScreen = false;
 205     b_videoOnTop = false;
 206     connect( this, SIGNAL(askGetVideo(WId*,int*,int*,unsigned*,unsigned *)),
 207              this, SLOT(getVideoSlot(WId*,int*,int*,unsigned*,unsigned*)),
 208              Qt::BlockingQueuedConnection );
 209     connect( this, SIGNAL(askReleaseVideo( void )),
 210              this, SLOT(releaseVideoSlot( void )),
 211              Qt::BlockingQueuedConnection );
 212     CONNECT( this, askVideoOnTop(bool), this, setVideoOnTop(bool));
 213
 214     if( videoWidget )
 215     {
 216         if( b_autoresize )
 217         {
 218             CONNECT( this, askVideoToResize( unsigned int, unsigned int ),
 219                      this, setVideoSize( unsigned int, unsigned int ) );
 220             CONNECT( videoWidget, sizeChanged( int, int ),
 221                      this, resizeStack( int,  int ) );
 222         }
 223         CONNECT( this, askVideoSetFullScreen( bool ),
 224                  this, setVideoFullScreen( bool ) );
 225     }
 226
 227     CONNECT( THEDP, toolBarConfUpdated(), this, recreateToolbars() );
 228
 229     /** END of CONNECTS**/
 230
 231
 232     /************
 233      * Callbacks
 234      ************/
 235     var_AddCallback( p_intf->p_libvlc, "intf-show", IntfShowCB, p_intf );
 236
 237     /* Register callback for the intf-popupmenu variable */
 238     var_AddCallback( p_intf->p_libvlc, "intf-popupmenu", PopupMenuCB, p_intf );
 239
 240     /* Playlist */
 241     int i_plVis = settings->value( "MainWindow/playlist-visible", false ).toBool();
 242
 243     if( i_plVis ) togglePlaylist();
 244
 245     /**** FINAL SIZING and placement of interface */
 246     settings->beginGroup( "MainWindow" );
 247     QVLCTools::restoreWidgetPosition( settings, this, QSize(400, 100) );
 248     settings->endGroup();
 249
 250     b_interfaceFullScreen = isFullScreen();
 251
 252     /* Final sizing and showing */
 253     setVisible( !b_hideAfterCreation );
 254
 255     setMinimumWidth( __MAX( controls->sizeHint().width(),
 256                             menuBar()->sizeHint().width() ) + 30 );
 257
 258     /* Switch to minimal view if needed, must be called after the show() */
 259     if( b_minimalView )
 260         toggleMinimalView( true );
 261 }
 262
 263 MainInterface::~MainInterface()
 264 {
 265     /* Unsure we hide the videoWidget before destroying it */
 266     if( stackCentralOldWidget == videoWidget )
 267         showTab( bgWidget );
 268
 269 #ifdef WIN32
 270     if( himl )
 271         ImageList_Destroy( himl );
 272     if(p_taskbl)
 273         p_taskbl->vt->Release(p_taskbl);
 274     CoUninitialize();
 275 #endif
 276
 277     /* Be sure to kill the actionsManager... Only used in the MI and control */
 278     ActionsManager::killInstance();
 279
 280     /* Idem */
 281     ExtensionsManager::killInstance();
 282
 283     /* Delete the FSC controller */
 284     delete fullscreenControls;
 285
 286     /* Save states */
 287     settings->beginGroup( "MainWindow" );
 288
 289     settings->setValue( "pl-dock-status", b_plDocked );
 290     /* Save playlist state */
 291     if( playlistWidget )
 292         settings->setValue( "playlist-visible", playlistVisible );
 293
 294     settings->setValue( "adv-controls",
 295                         getControlsVisibilityStatus() & CONTROLS_ADVANCED );
 296
 297     /* Save the stackCentralW sizes */
 298     settings->setValue( "bgSize", stackWidgetsSizes[bgWidget] );
 299     settings->setValue( "playlistSize", stackWidgetsSizes[playlistWidget] );
 300
 301     /* Save this size */
 302     QVLCTools::saveWidgetPosition(settings, this);
 303
 304     settings->endGroup();
 305
 306     /* Save undocked playlist size */
 307     if( playlistWidget && !isPlDocked() )
 308         QVLCTools::saveWidgetPosition( p_intf, "Playlist", playlistWidget );
 309
 310     delete playlistWidget;
 311
 312     delete statusBar();
 313
 314     /* Unregister callbacks */
 315     var_DelCallback( p_intf->p_libvlc, "intf-show", IntfShowCB, p_intf );
 316     var_DelCallback( p_intf->p_libvlc, "intf-popupmenu", PopupMenuCB, p_intf );
 317
 318     p_intf->p_sys->p_mi = NULL;
 319 }
 320
 321 /*****************************
 322  *   Main UI handling        *
 323  *****************************/
 324 void MainInterface::recreateToolbars()
 325 {
 326     bool b_adv = getControlsVisibilityStatus() & CONTROLS_ADVANCED;
 327
 328     settings->beginGroup( "MainWindow" );
 329     delete controls;
 330     delete inputC;
 331
 332     controls = new ControlsWidget( p_intf, b_adv, this );
 333     inputC = new InputControlsWidget( p_intf, this );
 334
 335     if( fullscreenControls )
 336     {
 337         delete fullscreenControls;
 338         fullscreenControls = new FullscreenControllerWidget( p_intf, this );
 339         CONNECT( fullscreenControls, keyPressed( QKeyEvent * ),
 340                  this, handleKeyPress( QKeyEvent * ) );
 341     }
 342     mainLayout->insertWidget( 2, inputC );
 343     mainLayout->insertWidget( settings->value( "ToolbarPos", 0 ).toInt() ? 0: 3,
 344                               controls );
 345     settings->endGroup();
 346 }
 347
 348 void MainInterface::createMainWidget( QSettings *settings )
 349 {
 350     /* Create the main Widget and the mainLayout */
 351     QWidget *main = new QWidget;
 352     setCentralWidget( main );
 353     mainLayout = new QVBoxLayout( main );
 354     main->setContentsMargins( 0, 0, 0, 0 );
 355     mainLayout->setSpacing( 0 ); mainLayout->setMargin( 0 );
 356
 357     /* */
 358     stackCentralW = new QVLCStackedWidget( main );
 359
 360     /* Bg Cone */
 361     bgWidget = new BackgroundWidget( p_intf );
 362     stackCentralW->addWidget( bgWidget );
 363
 364     /* And video Outputs */
 365     if( b_videoEmbedded )
 366     {
 367         videoWidget = new VideoWidget( p_intf );
 368         stackCentralW->addWidget( videoWidget );
 369     }
 370     mainLayout->insertWidget( 1, stackCentralW );
 371
 372     settings->beginGroup( "MainWindow" );
 373     stackWidgetsSizes[bgWidget] = settings->value( "bgSize", QSize( 400, 0 ) ).toSize();
 374     /* Resize even if no-auto-resize, because we are at creation */
 375     resizeStack( stackWidgetsSizes[bgWidget].width(), stackWidgetsSizes[bgWidget].height() );
 376
 377     /* Create the CONTROLS Widget */
 378     controls = new ControlsWidget( p_intf,
 379                    settings->value( "adv-controls", false ).toBool(), this );
 380     inputC = new InputControlsWidget( p_intf, this );
 381
 382     mainLayout->insertWidget( 2, inputC );
 383     mainLayout->insertWidget( settings->value( "ToolbarPos", 0 ).toInt() ? 0: 3,
 384                               controls );
 385
 386     /* Visualisation, disabled for now, they SUCK */
 387     #if 0
 388     visualSelector = new VisualSelector( p_intf );
 389     mainLayout->insertWidget( 0, visualSelector );
 390     visualSelector->hide();
 391     #endif
 392
 393     settings->endGroup();
 394
 395     /* Enable the popup menu in the MI */
 396     main->setContextMenuPolicy( Qt::CustomContextMenu );
 397     CONNECT( main, customContextMenuRequested( const QPoint& ),
 398              this, popupMenu( const QPoint& ) );
 399
 400     if ( depth() > 8 ) /* 8bit depth has too many issues with opacity */
 401         /* Create the FULLSCREEN CONTROLS Widget */
 402         if( var_InheritBool( p_intf, "qt-fs-controller" ) )
 403         {
 404             fullscreenControls = new FullscreenControllerWidget( p_intf, this );
 405             CONNECT( fullscreenControls, keyPressed( QKeyEvent * ),
 406                      this, handleKeyPress( QKeyEvent * ) );
 407         }
 408 }
 409
 410 inline void MainInterface::initSystray()
 411 {
 412 #ifndef HAVE_MAEMO
 413     bool b_systrayAvailable = QSystemTrayIcon::isSystemTrayAvailable();
 414     bool b_systrayWanted = var_InheritBool( p_intf, "qt-system-tray" );
 415
 416     if( var_InheritBool( p_intf, "qt-start-minimized") )
 417     {
 418         if( b_systrayAvailable )
 419         {
 420             b_systrayWanted = true;
 421             b_hideAfterCreation = true;
 422         }
 423         else
 424             msg_Err( p_intf, "cannot start minimized without system tray bar" );
 425     }
 426
 427     if( b_systrayAvailable && b_systrayWanted )
 428         createSystray();
 429 #endif
 430 }
 431
 432 inline void MainInterface::createStatusBar()
 433 {
 434     /****************
 435      *  Status Bar  *
 436      ****************/
 437     /* Widgets Creation*/
 438     QStatusBar *statusBarr = statusBar();
 439
 440     TimeLabel *timeLabel = new TimeLabel( p_intf );
 441     nameLabel = new QLabel( this );
 442     nameLabel->setTextInteractionFlags( Qt::TextSelectableByMouse
 443                                       | Qt::TextSelectableByKeyboard );
 444     SpeedLabel *speedLabel = new SpeedLabel( p_intf, this );
 445
 446     /* Styling those labels */
 447     timeLabel->setFrameStyle( QFrame::Sunken | QFrame::Panel );
 448     speedLabel->setFrameStyle( QFrame::Sunken | QFrame::Panel );
 449     nameLabel->setFrameStyle( QFrame::Sunken | QFrame::StyledPanel);
 450     timeLabel->setStyleSheet(
 451             "QLabel:hover { background-color: rgba(255, 255, 255, 50%) }" );
 452     speedLabel->setStyleSheet(
 453             "QLabel:hover { background-color: rgba(255, 255, 255, 50%) }" );
 454
 455     /* and adding those */
 456     statusBarr->addWidget( nameLabel, 8 );
 457     statusBarr->addPermanentWidget( speedLabel, 0 );
 458     statusBarr->addPermanentWidget( timeLabel, 0 );
 459
 460     /* timeLabel behaviour:
 461        - double clicking opens the goto time dialog
 462        - right-clicking and clicking just toggle between remaining and
 463          elapsed time.*/
 464     CONNECT( timeLabel, timeLabelDoubleClicked(), THEDP, gotoTimeDialog() );
 465
 466     CONNECT( THEMIM->getIM(), encryptionChanged( bool ),
 467              this, showCryptedLabel( bool ) );
 468
 469     CONNECT( THEMIM->getIM(), seekRequested( float ),
 470              timeLabel, setDisplayPosition( float ) );
 471
 472     /* This shouldn't be necessary, but for somehow reason, the statusBarr
 473        starts at height of 20px and when a text is shown it needs more space.
 474        But, as the QMainWindow policy doesn't allow statusBar to change QMW's
 475        geometry, we need to force a height. If you have a better idea, please
 476        tell me -- jb
 477      */
 478     statusBarr->setFixedHeight( statusBarr->sizeHint().height() + 2 );
 479 }
 480
 481 /**********************************************************************
 482  * Handling of sizing of the components
 483  **********************************************************************/
 484
 485 void MainInterface::debug()
 486 {
 487 #ifdef DEBUG_INTF
 488     msg_Dbg( p_intf, "size: %i - %i", size().height(), size().width() );
 489     msg_Dbg( p_intf, "sizeHint: %i - %i", sizeHint().height(), sizeHint().width() );
 490     msg_Dbg( p_intf, "minimumsize: %i - %i", minimumSize().height(), minimumSize().width() );
 491
 492     msg_Dbg( p_intf, "Stack size: %i - %i", stackCentralW->size().height(), stackCentralW->size().width() );
 493     msg_Dbg( p_intf, "Stack sizeHint: %i - %i", stackCentralW->sizeHint().height(), stackCentralW->sizeHint().width() );
 494     msg_Dbg( p_intf, "Central size: %i - %i", centralWidget()->size().height(), centralWidget()->size().width() );
 495 #endif
 496 }
 497
 498 inline void MainInterface::showVideo() { showTab( videoWidget ); }
 499 inline void MainInterface::restoreStackOldWidget()
 500             { showTab( stackCentralOldWidget ); }
 501
 502 inline void MainInterface::showTab( QWidget *widget )
 503 {
 504 #ifdef DEBUG_INTF
 505     msg_Warn( p_intf, "Old stackCentralOldWidget %i", stackCentralW->indexOf( stackCentralOldWidget ) );
 506 #endif
 507
 508     stackCentralOldWidget = stackCentralW->currentWidget();
 509     stackWidgetsSizes[stackCentralOldWidget] = stackCentralW->size();
 510
 511     stackCentralW->setCurrentWidget( widget );
 512     if( b_autoresize )
 513         resizeStack( stackWidgetsSizes[widget].width(), stackWidgetsSizes[widget].height() );
 514
 515 #ifdef DEBUG_INTF
 516     msg_Warn( p_intf, "State change %i",  stackCentralW->currentIndex() );
 517     msg_Warn( p_intf, "New stackCentralOldWidget %i", stackCentralW->indexOf( stackCentralOldWidget ) );
 518 #endif
 519 }
 520
 521 void MainInterface::destroyPopupMenu()
 522 {
 523     QVLCMenu::PopupMenu( p_intf, false );
 524 }
 525
 526 void MainInterface::popupMenu( const QPoint &p )
 527 {
 528     QVLCMenu::PopupMenu( p_intf, true );
 529 }
 530
 531 void MainInterface::toggleFSC()
 532 {
 533    if( !fullscreenControls ) return;
 534
 535    IMEvent *eShow = new IMEvent( FullscreenControlToggle_Type, 0 );
 536    QApplication::postEvent( fullscreenControls, eShow );
 537 }
 538
 539 /****************************************************************************
 540  * Video Handling
 541  ****************************************************************************/
 542
 543 /**
 544  * NOTE:
 545  * You must not change the state of this object or other Qt4 UI objects,
 546  * from the video output thread - only from the Qt4 UI main loop thread.
 547  * All window provider queries must be handled through signals or events.
 548  * That's why we have all those emit statements...
 549  */
 550 WId MainInterface::getVideo( int *pi_x, int *pi_y,
 551                              unsigned int *pi_width, unsigned int *pi_height )
 552 {
 553     if( !videoWidget )
 554         return 0;
 555
 556     /* This is a blocking call signal. Results are returned through pointers.
 557      * Beware of deadlocks! */
 558     WId id;
 559     emit askGetVideo( &id, pi_x, pi_y, pi_width, pi_height );
 560     return id;
 561 }
 562
 563 void MainInterface::getVideoSlot( WId *p_id, int *pi_x, int *pi_y,
 564                                   unsigned *pi_width, unsigned *pi_height )
 565 {
 566     /* Request the videoWidget */
 567     WId ret = videoWidget->request( pi_x, pi_y,
 568                                     pi_width, pi_height, !b_autoresize );
 569     *p_id = ret;
 570     if( ret ) /* The videoWidget is available */
 571     {
 572         /* Consider the video active now */
 573         showVideo();
 574
 575         /* Ask videoWidget to resize correctly, if we are in normal mode */
 576         if( !isFullScreen() && !isMaximized() && b_autoresize )
 577             videoWidget->SetSizing( *pi_width, *pi_height );
 578     }
 579 }
 580
 581 /* Asynchronous call from the WindowClose function */
 582 void MainInterface::releaseVideo( void )
 583 {
 584     emit askReleaseVideo();
 585 }
 586
 587 /* Function that is CONNECTED to the previous emit */
 588 void MainInterface::releaseVideoSlot( void )
 589 {
 590     videoWidget->release();
 591     setVideoOnTop( false );
 592     setVideoFullScreen( false );
 593
 594     if( stackCentralW->currentWidget() == videoWidget )
 595         restoreStackOldWidget();
 596
 597     /* We don't want to have a blank video to popup */
 598     stackCentralOldWidget = bgWidget;
 599 }
 600
 601 void MainInterface::setVideoSize( unsigned int w, unsigned int h )
 602 {
 603     if( !isFullScreen() && !isMaximized() )
 604         videoWidget->SetSizing( w, h );
 605 }
 606
 607 void MainInterface::setVideoFullScreen( bool fs )
 608 {
 609     b_videoFullScreen = fs;
 610     if( fs )
 611     {
 612         int numscreen = var_InheritInteger( p_intf, "qt-fullscreen-screennumber" );
 613         /* if user hasn't defined screennumber, or screennumber that is bigger
 614          * than current number of screens, take screennumber where current interface
 615          * is
 616          */
 617         if( numscreen == -1 || numscreen > QApplication::desktop()->numScreens() )
 618             numscreen = QApplication::desktop()->screenNumber( p_intf->p_sys->p_mi );
 619
 620         QRect screenres = QApplication::desktop()->screenGeometry( numscreen );
 621
 622         /* To be sure window is on proper-screen in xinerama */
 623         if( !screenres.contains( pos() ) )
 624         {
 625             msg_Dbg( p_intf, "Moving video to correct screen");
 626             move( QPoint( screenres.x(), screenres.y() ) );
 627         }
 628         setMinimalView( true );
 629         setInterfaceFullScreen( true );
 630     }
 631     else
 632     {
 633         /* TODO do we want to restore screen and position ? (when
 634          * qt-fullscreen-screennumber is forced) */
 635         setMinimalView( b_minimalView );
 636         setInterfaceFullScreen( b_interfaceFullScreen );
 637     }
 638     videoWidget->sync();
 639 }
 640
 641 /* Slot to change the video always-on-top flag.
 642  * Emit askVideoOnTop() to invoke this from other thread. */
 643 void MainInterface::setVideoOnTop( bool on_top )
 644 {
 645     b_videoOnTop = on_top;
 646
 647     Qt::WindowFlags oldflags = windowFlags(), newflags;
 648
 649     if( b_videoOnTop )
 650         newflags = oldflags | Qt::WindowStaysOnTopHint;
 651     else
 652         newflags = oldflags & ~Qt::WindowStaysOnTopHint;
 653
 654     if( newflags != oldflags )
 655     {
 656         setWindowFlags( newflags );
 657         show(); /* necessary to apply window flags */
 658     }
 659 }
 660
 661 /* Asynchronous call from WindowControl function */
 662 int MainInterface::controlVideo( int i_query, va_list args )
 663 {
 664     switch( i_query )
 665     {
 666     case VOUT_WINDOW_SET_SIZE:
 667     {
 668         unsigned int i_width  = va_arg( args, unsigned int );
 669         unsigned int i_height = va_arg( args, unsigned int );
 670
 671         emit askVideoToResize( i_width, i_height );
 672         return VLC_SUCCESS;
 673     }
 674     case VOUT_WINDOW_SET_STATE:
 675     {
 676         unsigned i_arg = va_arg( args, unsigned );
 677         unsigned on_top = i_arg & VOUT_WINDOW_STATE_ABOVE;
 678
 679         emit askVideoOnTop( on_top != 0 );
 680         return VLC_SUCCESS;
 681     }
 682     case VOUT_WINDOW_SET_FULLSCREEN:
 683     {
 684         bool b_fs = va_arg( args, int );
 685
 686         emit askVideoSetFullScreen( b_fs );
 687         return VLC_SUCCESS;
 688     }
 689     default:
 690         msg_Warn( p_intf, "unsupported control query" );
 691         return VLC_EGENERIC;
 692     }
 693 }
 694
 695 /*****************************************************************************
 696  * Playlist, Visualisation and Menus handling
 697  *****************************************************************************/
 698 /**
 699  * Toggle the playlist widget or dialog
 700  **/
 701 void MainInterface::createPlaylist()
 702 {
 703     playlistWidget = new PlaylistWidget( p_intf, this );
 704
 705     if( b_plDocked )
 706     {
 707         stackCentralW->addWidget( playlistWidget );
 708         stackWidgetsSizes[playlistWidget] = settings->value( "playlistSize", QSize( 500, 250 ) ).toSize();
 709     }
 710     else
 711     {
 712 #ifdef WIN32
 713         playlistWidget->setParent( NULL );
 714 #endif
 715         playlistWidget->setWindowFlags( Qt::Window );
 716
 717         /* This will restore the geometry but will not work for position,
 718            because of parenting */
 719         QVLCTools::restoreWidgetPosition( p_intf, "Playlist",
 720                 playlistWidget, QSize( 600, 300 ) );
 721     }
 722 }
 723
 724 void MainInterface::togglePlaylist()
 725 {
 726     if( !playlistWidget )
 727     {
 728         createPlaylist();
 729     }
 730
 731     if( b_plDocked )
 732     {
 733         /* Playlist is not visible, show it */
 734         if( stackCentralW->currentWidget() != playlistWidget )
 735         {
 736             showTab( playlistWidget );
 737         }
 738         else /* Hide it! */
 739         {
 740             restoreStackOldWidget();
 741         }
 742         playlistVisible = ( stackCentralW->currentWidget() == playlistWidget );
 743     }
 744     else
 745     {
 746 #ifdef WIN32
 747         playlistWidget->setParent( NULL );
 748 #endif
 749         playlistWidget->setWindowFlags( Qt::Window );
 750         playlistVisible = !playlistVisible;
 751         playlistWidget->setVisible( playlistVisible );
 752     }
 753     debug();
 754 }
 755
 756 void MainInterface::dockPlaylist( bool p_docked )
 757 {
 758     if( b_plDocked == p_docked ) return;
 759     b_plDocked = p_docked;
 760
 761     if( !playlistWidget ) return; /* Playlist wasn't created yet */
 762     if( !p_docked )
 763     {
 764         stackCentralW->removeWidget( playlistWidget );
 765 #ifdef WIN32
 766         playlistWidget->setParent( NULL );
 767 #endif
 768         playlistWidget->setWindowFlags( Qt::Window );
 769         QVLCTools::restoreWidgetPosition( p_intf, "Playlist",
 770                 playlistWidget, QSize( 600, 300 ) );
 771         playlistWidget->show();
 772         restoreStackOldWidget();
 773     }
 774     else
 775     {
 776         QVLCTools::saveWidgetPosition( p_intf, "Playlist", playlistWidget );
 777         playlistWidget->setWindowFlags( Qt::Widget ); // Probably a Qt bug here
 778         // It would be logical that QStackWidget::addWidget reset the flags...
 779         stackCentralW->addWidget( playlistWidget );
 780         showTab( playlistWidget );
 781     }
 782     playlistVisible = true;
 783 }
 784
 785 /*
 786  * setMinimalView is the private function used by
 787  * the SLOT toggleMinimalView and setVideoFullScreen
 788  */
 789 void MainInterface::setMinimalView( bool b_minimal )
 790 {
 791     menuBar()->setVisible( !b_minimal );
 792     controls->setVisible( !b_minimal );
 793     statusBar()->setVisible( !b_minimal );
 794     inputC->setVisible( !b_minimal );
 795 }
 796
 797 /*
 798  * This public SLOT is used for moving to minimal View Mode
 799  *
 800  * If b_minimal is false, then we are normalView
 801  */
 802 void MainInterface::toggleMinimalView( bool b_minimal )
 803 {
 804     if( !b_minimalView && b_autoresize ) /* Normal mode */
 805     {
 806         if( stackCentralW->currentWidget() == bgWidget )
 807         {
 808             if( stackCentralW->height() < 16 )
 809             {
 810                 resizeStack( stackCentralW->width(), 100 );
 811             }
 812         }
 813     }
 814     b_minimalView = b_minimal;
 815     if( !b_videoFullScreen )
 816         setMinimalView( b_minimalView );
 817
 818     emit minimalViewToggled( b_minimalView );
 819 }
 820
 821 /* toggling advanced controls buttons */
 822 void MainInterface::toggleAdvancedButtons()
 823 {
 824     controls->toggleAdvanced();
 825 //    if( fullscreenControls ) fullscreenControls->toggleAdvanced();
 826 }
 827
 828 /* Get the visibility status of the controls (hidden or not, advanced or not) */
 829 int MainInterface::getControlsVisibilityStatus()
 830 {
 831     if( !controls ) return 0;
 832     return( (controls->isVisible() ? CONTROLS_VISIBLE : CONTROLS_HIDDEN )
 833                 + CONTROLS_ADVANCED * controls->b_advancedVisible );
 834 }
 835
 836 #if 0
 837 void MainInterface::visual()
 838 {
 839     if( !VISIBLE( visualSelector) )
 840     {
 841         visualSelector->show();
 842         if( !THEMIM->getIM()->hasVideo() )
 843         {
 844             /* Show the background widget */
 845         }
 846         visualSelectorEnabled = true;
 847     }
 848     else
 849     {
 850         /* Stop any currently running visualization */
 851         visualSelector->hide();
 852         visualSelectorEnabled = false;
 853     }
 854 }
 855 #endif
 856
 857 /************************************************************************
 858  * Other stuff
 859  ************************************************************************/
 860 void MainInterface::setName( const QString& name )
 861 {
 862     input_name = name; /* store it for the QSystray use */
 863     /* Display it in the status bar, but also as a Tooltip in case it doesn't
 864        fit in the label */
 865     nameLabel->setText( " " + name + " " );
 866     nameLabel->setToolTip( " " + name +" " );
 867 }
 868
 869 /**
 870  * Give the decorations of the Main Window a correct Name.
 871  * If nothing is given, set it to VLC...
 872  **/
 873 void MainInterface::setVLCWindowsTitle( const QString& aTitle )
 874 {
 875     if( aTitle.isEmpty() )
 876     {
 877         setWindowTitle( qtr( "VLC media player" ) );
 878     }
 879     else
 880     {
 881         setWindowTitle( aTitle + " - " + qtr( "VLC media player" ) );
 882     }
 883 }
 884
 885 void MainInterface::showCryptedLabel( bool b_show )
 886 {
 887     if( cryptedLabel == NULL )
 888     {
 889         cryptedLabel = new QLabel;
 890         // The lock icon is not the right one for DRM protection/scrambled.
 891         //cryptedLabel->setPixmap( QPixmap( ":/lock" ) );
 892         cryptedLabel->setText( "DRM" );
 893         statusBar()->addWidget( cryptedLabel );
 894     }
 895
 896     cryptedLabel->setVisible( b_show );
 897 }
 898
 899 void MainInterface::showBuffering( float f_cache )
 900 {
 901     QString amount = QString("Buffering: %1%").arg( (int)(100*f_cache) );
 902     statusBar()->showMessage( amount, 1000 );
 903 }
 904
 905 /*****************************************************************************
 906  * Systray Icon and Systray Menu
 907  *****************************************************************************/
 908 #ifndef HAVE_MAEMO
 909 /**
 910  * Create a SystemTray icon and a menu that would go with it.
 911  * Connects to a click handler on the icon.
 912  **/
 913 void MainInterface::createSystray()
 914 {
 915     QIcon iconVLC;
 916     if( QDate::currentDate().dayOfYear() >= 354 )
 917         iconVLC =  QIcon( ":/logo/vlc128-christmas.png" );
 918     else
 919         iconVLC =  QIcon( ":/logo/vlc128.png" );
 920     sysTray = new QSystemTrayIcon( iconVLC, this );
 921     sysTray->setToolTip( qtr( "VLC media player" ));
 922
 923     systrayMenu = new QMenu( qtr( "VLC media player" ), this );
 924     systrayMenu->setIcon( iconVLC );
 925
 926     QVLCMenu::updateSystrayMenu( this, p_intf, true );
 927     sysTray->show();
 928
 929     CONNECT( sysTray, activated( QSystemTrayIcon::ActivationReason ),
 930             this, handleSystrayClick( QSystemTrayIcon::ActivationReason ) );
 931 }
 932
 933 /**
 934  * Updates the Systray Icon's menu and toggle the main interface
 935  */
 936 void MainInterface::toggleUpdateSystrayMenu()
 937 {
 938     /* If hidden, show it */
 939     if( isHidden() )
 940     {
 941         show();
 942         activateWindow();
 943     }
 944     else if( isMinimized() )
 945     {
 946         /* Minimized */
 947         showNormal();
 948         activateWindow();
 949     }
 950     else
 951     {
 952         /* Visible (possibly under other windows) */
 953 #ifdef WIN32
 954         /* check if any visible window is above vlc in the z-order,
 955          * but ignore the ones always on top
 956          * and the ones which can't be activated */
 957         WINDOWINFO wi;
 958         HWND hwnd;
 959         wi.cbSize = sizeof( WINDOWINFO );
 960         for( hwnd = GetNextWindow( internalWinId(), GW_HWNDPREV );
 961                 hwnd && ( !IsWindowVisible( hwnd ) ||
 962                     ( GetWindowInfo( hwnd, &wi ) &&
 963                       (wi.dwExStyle&WS_EX_NOACTIVATE) ) );
 964                 hwnd = GetNextWindow( hwnd, GW_HWNDPREV ) );
 965             if( !hwnd || !GetWindowInfo( hwnd, &wi ) ||
 966                 (wi.dwExStyle&WS_EX_TOPMOST) )
 967             {
 968                 hide();
 969             }
 970             else
 971             {
 972                 activateWindow();
 973             }
 974 #else
 975         hide();
 976 #endif
 977     }
 978     QVLCMenu::updateSystrayMenu( this, p_intf );
 979 }
 980
 981 void MainInterface::handleSystrayClick(
 982                                     QSystemTrayIcon::ActivationReason reason )
 983 {
 984     switch( reason )
 985     {
 986         case QSystemTrayIcon::Trigger:
 987         case QSystemTrayIcon::DoubleClick:
 988 #ifdef Q_WS_MAC
 989             QVLCMenu::updateSystrayMenu( this, p_intf );
 990 #else
 991             toggleUpdateSystrayMenu();
 992 #endif
 993             break;
 994         case QSystemTrayIcon::MiddleClick:
 995             sysTray->showMessage( qtr( "VLC media player" ),
 996                     qtr( "Control menu for the player" ),
 997                     QSystemTrayIcon::Information, 3000 );
 998             break;
 999         default:
1000             break;
1001     }
1002 }
1003
1004 /**
1005  * Updates the name of the systray Icon tooltip.
1006  * Doesn't check if the systray exists, check before you call it.
1007  **/
1008 void MainInterface::updateSystrayTooltipName( const QString& name )
1009 {
1010     if( name.isEmpty() )
1011     {
1012         sysTray->setToolTip( qtr( "VLC media player" ) );
1013     }
1014     else
1015     {
1016         sysTray->setToolTip( name );
1017         if( b_notificationEnabled && ( isHidden() || isMinimized() ) )
1018         {
1019             sysTray->showMessage( qtr( "VLC media player" ), name,
1020                     QSystemTrayIcon::NoIcon, 3000 );
1021         }
1022     }
1023
1024     QVLCMenu::updateSystrayMenu( this, p_intf );
1025 }
1026
1027 /**
1028  * Updates the status of the systray Icon tooltip.
1029  * Doesn't check if the systray exists, check before you call it.
1030  **/
1031 void MainInterface::updateSystrayTooltipStatus( int i_status )
1032 {
1033     switch( i_status )
1034     {
1035     case PLAYING_S:
1036         sysTray->setToolTip( input_name );
1037         break;
1038     case PAUSE_S:
1039         sysTray->setToolTip( input_name + " - " + qtr( "Paused") );
1040         break;
1041     default:
1042         sysTray->setToolTip( qtr( "VLC media player" ) );
1043         break;
1044     }
1045     QVLCMenu::updateSystrayMenu( this, p_intf );
1046 }
1047 #endif
1048
1049 /************************************************************************
1050  * D&D Events
1051  ************************************************************************/
1052 void MainInterface::dropEvent(QDropEvent *event)
1053 {
1054     dropEventPlay( event, true );
1055 }
1056
1057 void MainInterface::dropEventPlay( QDropEvent *event, bool b_play )
1058 {
1059     if( event->possibleActions() & Qt::CopyAction )
1060        event->setDropAction( Qt::CopyAction );
1061     else
1062         return;
1063
1064     const QMimeData *mimeData = event->mimeData();
1065
1066     /* D&D of a subtitles file, add it on the fly */
1067     if( mimeData->urls().size() == 1 && THEMIM->getIM()->hasInput() )
1068     {
1069         if( !input_AddSubtitle( THEMIM->getInput(),
1070                  qtu( toNativeSeparators( mimeData->urls()[0].toLocalFile() ) ),
1071                  true ) )
1072         {
1073             event->accept();
1074             return;
1075         }
1076     }
1077
1078     bool first = b_play;
1079     foreach( const QUrl &url, mimeData->urls() )
1080     {
1081         if( url.isValid() )
1082         {
1083             char* psz_uri = make_URI( url.toEncoded().constData(), NULL );
1084             playlist_Add( THEPL, psz_uri, NULL,
1085                           PLAYLIST_APPEND | (first ? PLAYLIST_GO: PLAYLIST_PREPARSE),
1086                           PLAYLIST_END, true, pl_Unlocked );
1087             free( psz_uri );
1088             first = false;
1089             RecentsMRL::getInstance( p_intf )->addRecent( url.toString() );
1090         }
1091     }
1092
1093     /* Browsers give content as text if you dnd the addressbar,
1094        so check if mimedata has valid url in text and use it
1095        if we didn't get any normal Urls()*/
1096     if( !mimeData->hasUrls() && mimeData->hasText() &&
1097         QUrl(mimeData->text()).isValid() )
1098     {
1099         char *psz_uri = make_URI( qtu( mimeData->text() ), NULL );
1100         playlist_Add( THEPL, psz_uri, NULL,
1101                       PLAYLIST_APPEND | (first ? PLAYLIST_GO: PLAYLIST_PREPARSE),
1102                       PLAYLIST_END, true, pl_Unlocked );
1103         free( psz_uri );
1104     }
1105     event->accept();
1106 }
1107 void MainInterface::dragEnterEvent(QDragEnterEvent *event)
1108 {
1109      event->acceptProposedAction();
1110 }
1111 void MainInterface::dragMoveEvent(QDragMoveEvent *event)
1112 {
1113      event->acceptProposedAction();
1114 }
1115 void MainInterface::dragLeaveEvent(QDragLeaveEvent *event)
1116 {
1117      event->accept();
1118 }
1119
1120 /************************************************************************
1121  * Events stuff
1122  ************************************************************************/
1123 void MainInterface::keyPressEvent( QKeyEvent *e )
1124 {
1125     handleKeyPress( e );
1126 }
1127
1128 void MainInterface::handleKeyPress( QKeyEvent *e )
1129 {
1130     if( ( e->modifiers() &  Qt::ControlModifier ) && ( e->key() == Qt::Key_H ) )
1131     {
1132         toggleMinimalView( !b_minimalView );
1133         e->accept();
1134     }
1135
1136     int i_vlck = qtEventToVLCKey( e );
1137     if( i_vlck > 0 )
1138     {
1139         var_SetInteger( p_intf->p_libvlc, "key-pressed", i_vlck );
1140         e->accept();
1141     }
1142     else
1143         e->ignore();
1144 }
1145
1146 void MainInterface::wheelEvent( QWheelEvent *e )
1147 {
1148     int i_vlckey = qtWheelEventToVLCKey( e );
1149     var_SetInteger( p_intf->p_libvlc, "key-pressed", i_vlckey );
1150     e->accept();
1151 }
1152
1153 void MainInterface::closeEvent( QCloseEvent *e )
1154 {
1155     e->accept();
1156     hide();
1157     THEDP->quit();
1158 }
1159
1160 void MainInterface::setInterfaceFullScreen( bool fs )
1161 {
1162     if( fs )
1163         setWindowState( windowState() | Qt::WindowFullScreen );
1164     else
1165         setWindowState( windowState() & ~Qt::WindowFullScreen );
1166 }
1167 void MainInterface::toggleInterfaceFullScreen()
1168 {
1169     b_interfaceFullScreen = !b_interfaceFullScreen;
1170     if( !b_videoFullScreen )
1171         setInterfaceFullScreen( b_interfaceFullScreen );
1172     emit fullscreenInterfaceToggled( b_interfaceFullScreen );
1173 }
1174
1175 /*****************************************************************************
1176  * PopupMenuCB: callback triggered by the intf-popupmenu playlist variable.
1177  *  We don't show the menu directly here because we don't want the
1178  *  caller to block for a too long time.
1179  *****************************************************************************/
1180 static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
1181                         vlc_value_t old_val, vlc_value_t new_val, void *param )
1182 {
1183     intf_thread_t *p_intf = (intf_thread_t *)param;
1184
1185     if( p_intf->pf_show_dialog )
1186     {
1187         p_intf->pf_show_dialog( p_intf, INTF_DIALOG_POPUPMENU,
1188                                 new_val.b_bool, NULL );
1189     }
1190
1191     return VLC_SUCCESS;
1192 }
1193
1194 /*****************************************************************************
1195  * IntfShowCB: callback triggered by the intf-show libvlc variable.
1196  *****************************************************************************/
1197 static int IntfShowCB( vlc_object_t *p_this, const char *psz_variable,
1198                        vlc_value_t old_val, vlc_value_t new_val, void *param )
1199 {
1200     intf_thread_t *p_intf = (intf_thread_t *)param;
1201     p_intf->p_sys->p_mi->toggleFSC();
1202
1203     /* Show event */
1204      return VLC_SUCCESS;
1205 }