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_autoresize = var_InheritBool( p_intf, "qt-video-autoresize" );
 111
 112     /* Are we in the enhanced always-video mode or not ? */
 113     b_minimalView = var_InheritBool( 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     settings->endGroup( );
 126
 127     /**************
 128      * Status Bar *
 129      **************/
 130     createStatusBar();
 131
 132     /**************************
 133      *  UI and Widgets design
 134      **************************/
 135     setVLCWindowsTitle();
 136
 137     /************
 138      * Menu Bar *
 139      ************/
 140     QVLCMenu::createMenuBar( this, p_intf );
 141     CONNECT( THEMIM->getIM(), voutListChanged( vout_thread_t **, int ),
 142              this, destroyPopupMenu() );
 143
 144     createMainWidget( settings );
 145     /*********************************
 146      * Create the Systray Management *
 147      *********************************/
 148     initSystray();
 149
 150     /********************
 151      * Input Manager    *
 152      ********************/
 153     MainInputManager::getInstance( p_intf );
 154
 155 #ifdef WIN32
 156     himl = NULL;
 157     p_taskbl = NULL;
 158     taskbar_wmsg = RegisterWindowMessage("TaskbarButtonCreated");
 159 #endif
 160
 161     /************************************************************
 162      * Connect the input manager to the GUI elements it manages *
 163      ************************************************************/
 164     /**
 165      * Connects on nameChanged()
 166      * Those connects are different because options can impeach them to trigger.
 167      **/
 168     /* Main Interface statusbar */
 169     CONNECT( THEMIM->getIM(), nameChanged( const QString& ),
 170              this, setName( const QString& ) );
 171     /* and systray */
 172 #ifndef HAVE_MAEMO
 173     if( sysTray )
 174     {
 175         CONNECT( THEMIM->getIM(), nameChanged( const QString& ),
 176                  this, updateSystrayTooltipName( const QString& ) );
 177     }
 178 #endif
 179     /* and title of the Main Interface*/
 180     if( var_InheritBool( p_intf, "qt-name-in-title" ) )
 181     {
 182         CONNECT( THEMIM->getIM(), nameChanged( const QString& ),
 183                  this, setVLCWindowsTitle( const QString& ) );
 184     }
 185
 186     /**
 187      * CONNECTS on PLAY_STATUS
 188      **/
 189     /* Status on the systray */
 190 #ifndef HAVE_MAEMO
 191     if( sysTray )
 192     {
 193         CONNECT( THEMIM->getIM(), statusChanged( int ),
 194                  this, updateSystrayTooltipStatus( int ) );
 195     }
 196 #endif
 197
 198     /* END CONNECTS ON IM */
 199
 200     /* VideoWidget connects for asynchronous calls */
 201     b_videoFullScreen = false;
 202     b_videoOnTop = false;
 203     connect( this, SIGNAL(askGetVideo(WId*,int*,int*,unsigned*,unsigned *)),
 204              this, SLOT(getVideoSlot(WId*,int*,int*,unsigned*,unsigned*)),
 205              Qt::BlockingQueuedConnection );
 206     connect( this, SIGNAL(askReleaseVideo( void )),
 207              this, SLOT(releaseVideoSlot( void )),
 208              Qt::BlockingQueuedConnection );
 209     CONNECT( this, askVideoOnTop(bool), this, setVideoOnTop(bool));
 210
 211     if( videoWidget )
 212     {
 213         if( b_autoresize )
 214         {
 215             CONNECT( this, askVideoToResize( unsigned int, unsigned int ),
 216                      this, setVideoSize( unsigned int, unsigned int ) );
 217             CONNECT( videoWidget, sizeChanged( int, int ),
 218                      this, resizeStack( int,  int ) );
 219         }
 220         CONNECT( this, askVideoSetFullScreen( bool ),
 221                  this, setVideoFullScreen( bool ) );
 222     }
 223
 224     CONNECT( THEDP, toolBarConfUpdated(), this, recreateToolbars() );
 225
 226     /** END of CONNECTS**/
 227
 228
 229     /************
 230      * Callbacks
 231      ************/
 232     var_AddCallback( p_intf->p_libvlc, "intf-show", IntfShowCB, p_intf );
 233
 234     /* Register callback for the intf-popupmenu variable */
 235     var_AddCallback( p_intf->p_libvlc, "intf-popupmenu", PopupMenuCB, p_intf );
 236
 237     /* Playlist */
 238     int i_plVis = settings->value( "MainWindow/playlist-visible", false ).toBool();
 239
 240     if( i_plVis ) togglePlaylist();
 241
 242     /**** FINAL SIZING and placement of interface */
 243     settings->beginGroup( "MainWindow" );
 244     QVLCTools::restoreWidgetPosition( settings, this, QSize(400, 100) );
 245     settings->endGroup();
 246
 247     b_interfaceFullScreen = isFullScreen();
 248
 249     /* Final sizing and showing */
 250     setVisible( !b_hideAfterCreation );
 251
 252     setMinimumWidth( __MAX( controls->sizeHint().width(),
 253                             menuBar()->sizeHint().width() ) + 30 );
 254
 255     /* Switch to minimal view if needed, must be called after the show() */
 256     if( b_minimalView )
 257         toggleMinimalView( true );
 258 }
 259
 260 MainInterface::~MainInterface()
 261 {
 262     /* Unsure we hide the videoWidget before destroying it */
 263     if( stackCentralOldWidget == videoWidget )
 264         showTab( bgWidget );
 265
 266 #ifdef WIN32
 267     if( himl )
 268         ImageList_Destroy( himl );
 269     if(p_taskbl)
 270         p_taskbl->vt->Release(p_taskbl);
 271     CoUninitialize();
 272 #endif
 273
 274     /* Be sure to kill the actionsManager... Only used in the MI and control */
 275     ActionsManager::killInstance();
 276
 277     /* Idem */
 278     ExtensionsManager::killInstance();
 279
 280     /* Delete the FSC controller */
 281     delete fullscreenControls;
 282
 283     /* Save states */
 284     settings->beginGroup( "MainWindow" );
 285
 286     settings->setValue( "pl-dock-status", b_plDocked );
 287     /* Save playlist state */
 288     if( playlistWidget )
 289     {
 290         settings->setValue( "playlist-visible",
 291                             isPlDocked() ?
 292                             playlistVisible :
 293                             playlistWidget->isVisible() /* FIXME */ );
 294     }
 295
 296     settings->setValue( "adv-controls",
 297                         getControlsVisibilityStatus() & CONTROLS_ADVANCED );
 298
 299     /* Save the stackCentralW sizes */
 300     settings->setValue( "bgSize", stackWidgetsSizes[bgWidget] );
 301     settings->setValue( "playlistSize", stackWidgetsSizes[playlistWidget] );
 302
 303     /* Save this size */
 304     QVLCTools::saveWidgetPosition(settings, this);
 305
 306     settings->endGroup();
 307
 308     /* Save undocked playlist size */
 309     if( playlistWidget && !isPlDocked() )
 310         QVLCTools::saveWidgetPosition( p_intf, "Playlist", playlistWidget );
 311
 312     delete playlistWidget;
 313
 314     delete statusBar();
 315
 316     /* Unregister callbacks */
 317     var_DelCallback( p_intf->p_libvlc, "intf-show", IntfShowCB, p_intf );
 318     var_DelCallback( p_intf->p_libvlc, "intf-popupmenu", PopupMenuCB, p_intf );
 319
 320     p_intf->p_sys->p_mi = NULL;
 321 }
 322
 323 /*****************************
 324  *   Main UI handling        *
 325  *****************************/
 326 void MainInterface::recreateToolbars()
 327 {
 328     bool b_adv = getControlsVisibilityStatus() & CONTROLS_ADVANCED;
 329
 330     settings->beginGroup( "MainWindow" );
 331     delete controls;
 332     delete inputC;
 333
 334     controls = new ControlsWidget( p_intf, b_adv, this );
 335     inputC = new InputControlsWidget( p_intf, this );
 336
 337     if( fullscreenControls )
 338     {
 339         delete fullscreenControls;
 340         fullscreenControls = new FullscreenControllerWidget( p_intf, this );
 341         CONNECT( fullscreenControls, keyPressed( QKeyEvent * ),
 342                  this, handleKeyPress( QKeyEvent * ) );
 343     }
 344     mainLayout->insertWidget( 2, inputC );
 345     mainLayout->insertWidget( settings->value( "ToolbarPos", 0 ).toInt() ? 0: 3,
 346                               controls );
 347     settings->endGroup();
 348 }
 349
 350 void MainInterface::createMainWidget( QSettings *settings )
 351 {
 352     /* Create the main Widget and the mainLayout */
 353     QWidget *main = new QWidget;
 354     setCentralWidget( main );
 355     mainLayout = new QVBoxLayout( main );
 356     main->setContentsMargins( 0, 0, 0, 0 );
 357     mainLayout->setSpacing( 0 ); mainLayout->setMargin( 0 );
 358
 359     /* */
 360     stackCentralW = new QVLCStackedWidget( main );
 361
 362     /* Bg Cone */
 363     bgWidget = new BackgroundWidget( p_intf );
 364     stackCentralW->addWidget( bgWidget );
 365
 366     /* And video Outputs */
 367     if( b_videoEmbedded )
 368     {
 369         videoWidget = new VideoWidget( p_intf );
 370         stackCentralW->addWidget( videoWidget );
 371     }
 372     mainLayout->insertWidget( 1, stackCentralW );
 373
 374     settings->beginGroup( "MainWindow" );
 375     stackWidgetsSizes[bgWidget] = settings->value( "bgSize", QSize( 400, 0 ) ).toSize();
 376     /* Resize even if no-auto-resize, because we are at creation */
 377     resizeStack( stackWidgetsSizes[bgWidget].width(), stackWidgetsSizes[bgWidget].height() );
 378
 379     /* Create the CONTROLS Widget */
 380     controls = new ControlsWidget( p_intf,
 381                    settings->value( "adv-controls", false ).toBool(), this );
 382     inputC = new InputControlsWidget( p_intf, this );
 383
 384     mainLayout->insertWidget( 2, inputC );
 385     mainLayout->insertWidget( settings->value( "ToolbarPos", 0 ).toInt() ? 0: 3,
 386                               controls );
 387
 388     /* Visualisation, disabled for now, they SUCK */
 389     #if 0
 390     visualSelector = new VisualSelector( p_intf );
 391     mainLayout->insertWidget( 0, visualSelector );
 392     visualSelector->hide();
 393     #endif
 394
 395     settings->endGroup();
 396
 397     /* Enable the popup menu in the MI */
 398     main->setContextMenuPolicy( Qt::CustomContextMenu );
 399     CONNECT( main, customContextMenuRequested( const QPoint& ),
 400              this, popupMenu( const QPoint& ) );
 401
 402     if ( depth() > 8 ) /* 8bit depth has too many issues with opacity */
 403         /* Create the FULLSCREEN CONTROLS Widget */
 404         if( var_InheritBool( p_intf, "qt-fs-controller" ) )
 405         {
 406             fullscreenControls = new FullscreenControllerWidget( p_intf, this );
 407             CONNECT( fullscreenControls, keyPressed( QKeyEvent * ),
 408                      this, handleKeyPress( QKeyEvent * ) );
 409         }
 410 }
 411
 412 inline void MainInterface::initSystray()
 413 {
 414 #ifndef HAVE_MAEMO
 415     bool b_systrayAvailable = QSystemTrayIcon::isSystemTrayAvailable();
 416     bool b_systrayWanted = var_InheritBool( p_intf, "qt-system-tray" );
 417
 418     if( var_InheritBool( p_intf, "qt-start-minimized") )
 419     {
 420         if( b_systrayAvailable )
 421         {
 422             b_systrayWanted = true;
 423             b_hideAfterCreation = true;
 424         }
 425         else
 426             msg_Err( p_intf, "cannot start minimized without system tray bar" );
 427     }
 428
 429     if( b_systrayAvailable && b_systrayWanted )
 430         createSystray();
 431 #endif
 432 }
 433
 434 inline void MainInterface::createStatusBar()
 435 {
 436     /****************
 437      *  Status Bar  *
 438      ****************/
 439     /* Widgets Creation*/
 440     QStatusBar *statusBarr = statusBar();
 441
 442     TimeLabel *timeLabel = new TimeLabel( p_intf );
 443     nameLabel = new QLabel( this );
 444     nameLabel->setTextInteractionFlags( Qt::TextSelectableByMouse
 445                                       | Qt::TextSelectableByKeyboard );
 446     SpeedLabel *speedLabel = new SpeedLabel( p_intf, this );
 447
 448     /* Styling those labels */
 449     timeLabel->setFrameStyle( QFrame::Sunken | QFrame::Panel );
 450     speedLabel->setFrameStyle( QFrame::Sunken | QFrame::Panel );
 451     nameLabel->setFrameStyle( QFrame::Sunken | QFrame::StyledPanel);
 452     timeLabel->setStyleSheet(
 453             "QLabel:hover { background-color: rgba(255, 255, 255, 50%) }" );
 454     speedLabel->setStyleSheet(
 455             "QLabel:hover { background-color: rgba(255, 255, 255, 50%) }" );
 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 void MainInterface::debug()
 480 {
 481 #ifdef DEBUG_INTF
 482     msg_Dbg( p_intf, "size: %i - %i", size().height(), size().width() );
 483     msg_Dbg( p_intf, "sizeHint: %i - %i", sizeHint().height(), sizeHint().width() );
 484     msg_Dbg( p_intf, "minimumsize: %i - %i", minimumSize().height(), minimumSize().width() );
 485
 486     msg_Dbg( p_intf, "Stack size: %i - %i", stackCentralW->size().height(), stackCentralW->size().width() );
 487     msg_Dbg( p_intf, "Stack sizeHint: %i - %i", stackCentralW->sizeHint().height(), stackCentralW->sizeHint().width() );
 488     msg_Dbg( p_intf, "Central size: %i - %i", centralWidget()->size().height(), centralWidget()->size().width() );
 489 #endif
 490 }
 491
 492 inline void MainInterface::showVideo() { showTab( videoWidget ); }
 493 inline void MainInterface::restoreStackOldWidget()
 494             { showTab( stackCentralOldWidget ); }
 495
 496 inline void MainInterface::showTab( QWidget *widget )
 497 {
 498 #ifdef DEBUG_INTF
 499     msg_Warn( p_intf, "Old stackCentralOldWidget %i", stackCentralW->indexOf( stackCentralOldWidget ) );
 500 #endif
 501
 502     stackCentralOldWidget = stackCentralW->currentWidget();
 503     stackWidgetsSizes[stackCentralOldWidget] = stackCentralW->size();
 504
 505     stackCentralW->setCurrentWidget( widget );
 506     if( b_autoresize )
 507         resizeStack( stackWidgetsSizes[widget].width(), stackWidgetsSizes[widget].height() );
 508
 509 #ifdef DEBUG_INTF
 510     msg_Warn( p_intf, "State change %i",  stackCentralW->currentIndex() );
 511     msg_Warn( p_intf, "New stackCentralOldWidget %i", stackCentralW->indexOf( stackCentralOldWidget ) );
 512 #endif
 513 }
 514
 515 void MainInterface::destroyPopupMenu()
 516 {
 517     QVLCMenu::PopupMenu( p_intf, false );
 518 }
 519
 520 void MainInterface::popupMenu( const QPoint &p )
 521 {
 522     QVLCMenu::PopupMenu( p_intf, true );
 523 }
 524
 525 void MainInterface::toggleFSC()
 526 {
 527    if( !fullscreenControls ) return;
 528
 529    IMEvent *eShow = new IMEvent( FullscreenControlToggle_Type, 0 );
 530    QApplication::postEvent( fullscreenControls, eShow );
 531 }
 532
 533 /****************************************************************************
 534  * Video Handling
 535  ****************************************************************************/
 536
 537 /**
 538  * NOTE:
 539  * You must not change the state of this object or other Qt4 UI objects,
 540  * from the video output thread - only from the Qt4 UI main loop thread.
 541  * All window provider queries must be handled through signals or events.
 542  * That's why we have all those emit statements...
 543  */
 544 WId MainInterface::getVideo( int *pi_x, int *pi_y,
 545                              unsigned int *pi_width, unsigned int *pi_height )
 546 {
 547     if( !videoWidget )
 548         return 0;
 549
 550     /* This is a blocking call signal. Results are returned through pointers.
 551      * Beware of deadlocks! */
 552     WId id;
 553     emit askGetVideo( &id, pi_x, pi_y, pi_width, pi_height );
 554     return id;
 555 }
 556
 557 void MainInterface::getVideoSlot( WId *p_id, int *pi_x, int *pi_y,
 558                                   unsigned *pi_width, unsigned *pi_height )
 559 {
 560     /* Request the videoWidget */
 561     WId ret = videoWidget->request( pi_x, pi_y,
 562                                     pi_width, pi_height, !b_autoresize );
 563     *p_id = ret;
 564     if( ret ) /* The videoWidget is available */
 565     {
 566         /* Consider the video active now */
 567         showVideo();
 568
 569         /* Ask videoWidget to resize correctly, if we are in normal mode */
 570         if( !isFullScreen() && !isMaximized() && b_autoresize )
 571             videoWidget->SetSizing( *pi_width, *pi_height );
 572     }
 573 }
 574
 575 /* Asynchronous call from the WindowClose function */
 576 void MainInterface::releaseVideo( void )
 577 {
 578     emit askReleaseVideo();
 579 }
 580
 581 /* Function that is CONNECTED to the previous emit */
 582 void MainInterface::releaseVideoSlot( void )
 583 {
 584     videoWidget->release();
 585     setVideoOnTop( false );
 586     setVideoFullScreen( false );
 587
 588     if( stackCentralW->currentWidget() == videoWidget )
 589         restoreStackOldWidget();
 590
 591     /* We don't want to have a blank video to popup */
 592     stackCentralOldWidget = bgWidget;
 593 }
 594
 595 void MainInterface::setVideoSize( unsigned int w, unsigned int h )
 596 {
 597     if( !isFullScreen() && !isMaximized() )
 598         videoWidget->SetSizing( w, h );
 599 }
 600
 601 void MainInterface::setVideoFullScreen( bool fs )
 602 {
 603     b_videoFullScreen = fs;
 604     if( fs )
 605     {
 606         int numscreen = var_InheritInteger( p_intf, "qt-fullscreen-screennumber" );
 607         /* if user hasn't defined screennumber, or screennumber that is bigger
 608          * than current number of screens, take screennumber where current interface
 609          * is
 610          */
 611         if( numscreen == -1 || numscreen > QApplication::desktop()->numScreens() )
 612             numscreen = QApplication::desktop()->screenNumber( p_intf->p_sys->p_mi );
 613
 614         QRect screenres = QApplication::desktop()->screenGeometry( numscreen );
 615
 616         /* To be sure window is on proper-screen in xinerama */
 617 #if HAS_QT46
 618         if( !screenres.contains( pos() ) && QApplication::desktop()->screenCount() > 1 )
 619 #else
 620         if( !screenres.contains( pos() ) )
 621 #endif
 622         {
 623             msg_Dbg( p_intf, "Moving video to correct screen");
 624             move( QPoint( screenres.x(), screenres.y() ) );
 625         }
 626         setMinimalView( true );
 627         setInterfaceFullScreen( true );
 628     }
 629     else
 630     {
 631         /* TODO do we want to restore screen and position ? (when
 632          * qt-fullscreen-screennumber is forced) */
 633         setMinimalView( b_minimalView );
 634         setInterfaceFullScreen( b_interfaceFullScreen );
 635     }
 636     videoWidget->sync();
 637 }
 638
 639 /* Slot to change the video always-on-top flag.
 640  * Emit askVideoOnTop() to invoke this from other thread. */
 641 void MainInterface::setVideoOnTop( bool on_top )
 642 {
 643     b_videoOnTop = on_top;
 644
 645     Qt::WindowFlags oldflags = windowFlags(), newflags;
 646
 647     if( b_videoOnTop )
 648         newflags = oldflags | Qt::WindowStaysOnTopHint;
 649     else
 650         newflags = oldflags & ~Qt::WindowStaysOnTopHint;
 651
 652     if( newflags != oldflags )
 653     {
 654         setWindowFlags( newflags );
 655         show(); /* necessary to apply window flags */
 656     }
 657 }
 658
 659 /* Asynchronous call from WindowControl function */
 660 int MainInterface::controlVideo( int i_query, va_list args )
 661 {
 662     switch( i_query )
 663     {
 664     case VOUT_WINDOW_SET_SIZE:
 665     {
 666         unsigned int i_width  = va_arg( args, unsigned int );
 667         unsigned int i_height = va_arg( args, unsigned int );
 668
 669         emit askVideoToResize( i_width, i_height );
 670         return VLC_SUCCESS;
 671     }
 672     case VOUT_WINDOW_SET_STATE:
 673     {
 674         unsigned i_arg = va_arg( args, unsigned );
 675         unsigned on_top = i_arg & VOUT_WINDOW_STATE_ABOVE;
 676
 677         emit askVideoOnTop( on_top != 0 );
 678         return VLC_SUCCESS;
 679     }
 680     case VOUT_WINDOW_SET_FULLSCREEN:
 681     {
 682         bool b_fs = va_arg( args, int );
 683
 684         emit askVideoSetFullScreen( b_fs );
 685         return VLC_SUCCESS;
 686     }
 687     default:
 688         msg_Warn( p_intf, "unsupported control query" );
 689         return VLC_EGENERIC;
 690     }
 691 }
 692
 693 /*****************************************************************************
 694  * Playlist, Visualisation and Menus handling
 695  *****************************************************************************/
 696 /**
 697  * Toggle the playlist widget or dialog
 698  **/
 699 void MainInterface::createPlaylist()
 700 {
 701     playlistWidget = new PlaylistWidget( p_intf, this );
 702
 703     if( b_plDocked )
 704     {
 705         stackCentralW->addWidget( playlistWidget );
 706         stackWidgetsSizes[playlistWidget] = settings->value( "playlistSize", QSize( 500, 250 ) ).toSize();
 707     }
 708     else
 709     {
 710 #ifdef WIN32
 711         playlistWidget->setParent( NULL );
 712 #endif
 713         playlistWidget->setWindowFlags( Qt::Window );
 714
 715         /* This will restore the geometry but will not work for position,
 716            because of parenting */
 717         QVLCTools::restoreWidgetPosition( p_intf, "Playlist",
 718                 playlistWidget, QSize( 600, 300 ) );
 719     }
 720 }
 721
 722 void MainInterface::togglePlaylist()
 723 {
 724     if( !playlistWidget )
 725     {
 726         createPlaylist();
 727     }
 728
 729     if( b_plDocked )
 730     {
 731         /* Playlist is not visible, show it */
 732         if( stackCentralW->currentWidget() != playlistWidget )
 733         {
 734             showTab( playlistWidget );
 735         }
 736         else /* Hide it! */
 737         {
 738             restoreStackOldWidget();
 739         }
 740         playlistVisible = ( stackCentralW->currentWidget() == playlistWidget );
 741     }
 742     else
 743     {
 744 #ifdef WIN32
 745         playlistWidget->setParent( NULL );
 746 #endif
 747         playlistWidget->setWindowFlags( Qt::Window );
 748         playlistVisible = !playlistVisible;
 749         playlistWidget->setVisible( playlistVisible );
 750     }
 751     debug();
 752 }
 753
 754 void MainInterface::dockPlaylist( bool p_docked )
 755 {
 756     if( b_plDocked == p_docked ) return;
 757     b_plDocked = p_docked;
 758
 759     if( !playlistWidget ) return; /* Playlist wasn't created yet */
 760     if( !p_docked )
 761     {
 762         stackCentralW->removeWidget( playlistWidget );
 763 #ifdef WIN32
 764         playlistWidget->setParent( NULL );
 765 #endif
 766         playlistWidget->setWindowFlags( Qt::Window );
 767         QVLCTools::restoreWidgetPosition( p_intf, "Playlist",
 768                 playlistWidget, QSize( 600, 300 ) );
 769         playlistWidget->show();
 770         restoreStackOldWidget();
 771     }
 772     else
 773     {
 774         QVLCTools::saveWidgetPosition( p_intf, "Playlist", playlistWidget );
 775         playlistWidget->setWindowFlags( Qt::Widget ); // Probably a Qt bug here
 776         // It would be logical that QStackWidget::addWidget reset the flags...
 777         stackCentralW->addWidget( playlistWidget );
 778         showTab( playlistWidget );
 779     }
 780     playlistVisible = true;
 781 }
 782
 783 void MainInterface::setMinimalView( bool b_minimal )
 784 {
 785     menuBar()->setVisible( !b_minimal );
 786     controls->setVisible( !b_minimal );
 787     statusBar()->setVisible( !b_minimal );
 788     inputC->setVisible( !b_minimal );
 789 }
 790
 791 /*
 792   If b_minimal is false, then we are normalView
 793  */
 794 void MainInterface::toggleMinimalView( bool b_minimal )
 795 {
 796     if( !b_minimalView && b_autoresize ) /* Normal mode */
 797     {
 798         if( stackCentralW->currentWidget() == bgWidget )
 799         {
 800             if( stackCentralW->height() < 16 )
 801             {
 802                 resizeStack( stackCentralW->width(), 100 );
 803             }
 804         }
 805     }
 806     b_minimalView = b_minimal;
 807     if( !b_videoFullScreen )
 808         setMinimalView( b_minimalView );
 809
 810     emit minimalViewToggled( b_minimalView );
 811 }
 812
 813 /* toggling advanced controls buttons */
 814 void MainInterface::toggleAdvancedButtons()
 815 {
 816     controls->toggleAdvanced();
 817 //    if( fullscreenControls ) fullscreenControls->toggleAdvanced();
 818 }
 819
 820 /* Get the visibility status of the controls (hidden or not, advanced or not) */
 821 int MainInterface::getControlsVisibilityStatus()
 822 {
 823     if( !controls ) return 0;
 824     return( (controls->isVisible() ? CONTROLS_VISIBLE : CONTROLS_HIDDEN )
 825                 + CONTROLS_ADVANCED * controls->b_advancedVisible );
 826 }
 827
 828 #if 0
 829 void MainInterface::visual()
 830 {
 831     if( !VISIBLE( visualSelector) )
 832     {
 833         visualSelector->show();
 834         if( !THEMIM->getIM()->hasVideo() )
 835         {
 836             /* Show the background widget */
 837         }
 838         visualSelectorEnabled = true;
 839     }
 840     else
 841     {
 842         /* Stop any currently running visualization */
 843         visualSelector->hide();
 844         visualSelectorEnabled = false;
 845     }
 846 }
 847 #endif
 848
 849 /************************************************************************
 850  * Other stuff
 851  ************************************************************************/
 852 void MainInterface::setName( const QString& name )
 853 {
 854     input_name = name; /* store it for the QSystray use */
 855     /* Display it in the status bar, but also as a Tooltip in case it doesn't
 856        fit in the label */
 857     nameLabel->setText( " " + name + " " );
 858     nameLabel->setToolTip( " " + name +" " );
 859 }
 860
 861 /**
 862  * Give the decorations of the Main Window a correct Name.
 863  * If nothing is given, set it to VLC...
 864  **/
 865 void MainInterface::setVLCWindowsTitle( const QString& aTitle )
 866 {
 867     if( aTitle.isEmpty() )
 868     {
 869         setWindowTitle( qtr( "VLC media player" ) );
 870     }
 871     else
 872     {
 873         setWindowTitle( aTitle + " - " + qtr( "VLC media player" ) );
 874     }
 875 }
 876
 877 void MainInterface::showCryptedLabel( bool b_show )
 878 {
 879     if( cryptedLabel == NULL )
 880     {
 881         cryptedLabel = new QLabel;
 882         // The lock icon is not the right one for DRM protection/scrambled.
 883         //cryptedLabel->setPixmap( QPixmap( ":/lock" ) );
 884         cryptedLabel->setText( "DRM" );
 885         statusBar()->addWidget( cryptedLabel );
 886     }
 887
 888     cryptedLabel->setVisible( b_show );
 889 }
 890
 891 void MainInterface::showBuffering( float f_cache )
 892 {
 893     QString amount = QString("Buffering: %1%").arg( (int)(100*f_cache) );
 894     statusBar()->showMessage( amount, 1000 );
 895 }
 896
 897 /*****************************************************************************
 898  * Systray Icon and Systray Menu
 899  *****************************************************************************/
 900 #ifndef HAVE_MAEMO
 901 /**
 902  * Create a SystemTray icon and a menu that would go with it.
 903  * Connects to a click handler on the icon.
 904  **/
 905 void MainInterface::createSystray()
 906 {
 907     QIcon iconVLC;
 908     if( QDate::currentDate().dayOfYear() >= 354 )
 909         iconVLC =  QIcon( ":/logo/vlc128-christmas.png" );
 910     else
 911         iconVLC =  QIcon( ":/logo/vlc128.png" );
 912     sysTray = new QSystemTrayIcon( iconVLC, this );
 913     sysTray->setToolTip( qtr( "VLC media player" ));
 914
 915     systrayMenu = new QMenu( qtr( "VLC media player" ), this );
 916     systrayMenu->setIcon( iconVLC );
 917
 918     QVLCMenu::updateSystrayMenu( this, p_intf, true );
 919     sysTray->show();
 920
 921     CONNECT( sysTray, activated( QSystemTrayIcon::ActivationReason ),
 922             this, handleSystrayClick( QSystemTrayIcon::ActivationReason ) );
 923 }
 924
 925 /**
 926  * Updates the Systray Icon's menu and toggle the main interface
 927  */
 928 void MainInterface::toggleUpdateSystrayMenu()
 929 {
 930     /* If hidden, show it */
 931     if( isHidden() )
 932     {
 933         show();
 934         activateWindow();
 935     }
 936     else if( isMinimized() )
 937     {
 938         /* Minimized */
 939         showNormal();
 940         activateWindow();
 941     }
 942     else
 943     {
 944         /* Visible (possibly under other windows) */
 945 #ifdef WIN32
 946         /* check if any visible window is above vlc in the z-order,
 947          * but ignore the ones always on top
 948          * and the ones which can't be activated */
 949         WINDOWINFO wi;
 950         HWND hwnd;
 951         wi.cbSize = sizeof( WINDOWINFO );
 952         for( hwnd = GetNextWindow( internalWinId(), GW_HWNDPREV );
 953                 hwnd && ( !IsWindowVisible( hwnd ) ||
 954                     ( GetWindowInfo( hwnd, &wi ) &&
 955                       (wi.dwExStyle&WS_EX_NOACTIVATE) ) );
 956                 hwnd = GetNextWindow( hwnd, GW_HWNDPREV ) );
 957             if( !hwnd || !GetWindowInfo( hwnd, &wi ) ||
 958                 (wi.dwExStyle&WS_EX_TOPMOST) )
 959             {
 960                 hide();
 961             }
 962             else
 963             {
 964                 activateWindow();
 965             }
 966 #else
 967         hide();
 968 #endif
 969     }
 970     QVLCMenu::updateSystrayMenu( this, p_intf );
 971 }
 972
 973 void MainInterface::handleSystrayClick(
 974                                     QSystemTrayIcon::ActivationReason reason )
 975 {
 976     switch( reason )
 977     {
 978         case QSystemTrayIcon::Trigger:
 979         case QSystemTrayIcon::DoubleClick:
 980             toggleUpdateSystrayMenu();
 981             break;
 982         case QSystemTrayIcon::MiddleClick:
 983             sysTray->showMessage( qtr( "VLC media player" ),
 984                     qtr( "Control menu for the player" ),
 985                     QSystemTrayIcon::Information, 3000 );
 986             break;
 987         default:
 988             break;
 989     }
 990 }
 991
 992 /**
 993  * Updates the name of the systray Icon tooltip.
 994  * Doesn't check if the systray exists, check before you call it.
 995  **/
 996 void MainInterface::updateSystrayTooltipName( const QString& name )
 997 {
 998     if( name.isEmpty() )
 999     {
1000         sysTray->setToolTip( qtr( "VLC media player" ) );
1001     }
1002     else
1003     {
1004         sysTray->setToolTip( name );
1005         if( b_notificationEnabled && ( isHidden() || isMinimized() ) )
1006         {
1007             sysTray->showMessage( qtr( "VLC media player" ), name,
1008                     QSystemTrayIcon::NoIcon, 3000 );
1009         }
1010     }
1011
1012     QVLCMenu::updateSystrayMenu( this, p_intf );
1013 }
1014
1015 /**
1016  * Updates the status of the systray Icon tooltip.
1017  * Doesn't check if the systray exists, check before you call it.
1018  **/
1019 void MainInterface::updateSystrayTooltipStatus( int i_status )
1020 {
1021     switch( i_status )
1022     {
1023     case PLAYING_S:
1024         sysTray->setToolTip( input_name );
1025         break;
1026     case PAUSE_S:
1027         sysTray->setToolTip( input_name + " - " + qtr( "Paused") );
1028         break;
1029     default:
1030         sysTray->setToolTip( qtr( "VLC media player" ) );
1031         break;
1032     }
1033     QVLCMenu::updateSystrayMenu( this, p_intf );
1034 }
1035 #endif
1036
1037 /************************************************************************
1038  * D&D Events
1039  ************************************************************************/
1040 void MainInterface::dropEvent(QDropEvent *event)
1041 {
1042     dropEventPlay( event, true );
1043 }
1044
1045 void MainInterface::dropEventPlay( QDropEvent *event, bool b_play )
1046 {
1047     event->setDropAction( Qt::CopyAction );
1048     if( !event->possibleActions() & Qt::CopyAction )
1049         return;
1050
1051     const QMimeData *mimeData = event->mimeData();
1052
1053     /* D&D of a subtitles file, add it on the fly */
1054     if( mimeData->urls().size() == 1 && THEMIM->getIM()->hasInput() )
1055     {
1056         if( !input_AddSubtitle( THEMIM->getInput(),
1057                  qtu( toNativeSeparators( mimeData->urls()[0].toLocalFile() ) ),
1058                  true ) )
1059         {
1060             event->accept();
1061             return;
1062         }
1063     }
1064
1065     bool first = b_play;
1066     foreach( const QUrl &url, mimeData->urls() )
1067     {
1068         QString s = toNativeSeparators( url.toLocalFile() );
1069
1070         if( s.length() > 0 ) {
1071             char* psz_uri = make_URI( qtu(s) );
1072             playlist_Add( THEPL, psz_uri, NULL,
1073                           PLAYLIST_APPEND | (first ? PLAYLIST_GO: PLAYLIST_PREPARSE),
1074                           PLAYLIST_END, true, pl_Unlocked );
1075             free( psz_uri );
1076             first = false;
1077             RecentsMRL::getInstance( p_intf )->addRecent( s );
1078         }
1079     }
1080     event->accept();
1081 }
1082 void MainInterface::dragEnterEvent(QDragEnterEvent *event)
1083 {
1084      event->acceptProposedAction();
1085 }
1086 void MainInterface::dragMoveEvent(QDragMoveEvent *event)
1087 {
1088      event->acceptProposedAction();
1089 }
1090 void MainInterface::dragLeaveEvent(QDragLeaveEvent *event)
1091 {
1092      event->accept();
1093 }
1094
1095 /************************************************************************
1096  * Events stuff
1097  ************************************************************************/
1098 void MainInterface::keyPressEvent( QKeyEvent *e )
1099 {
1100     handleKeyPress( e );
1101 }
1102
1103 void MainInterface::handleKeyPress( QKeyEvent *e )
1104 {
1105     if( ( e->modifiers() &  Qt::ControlModifier ) && ( e->key() == Qt::Key_H ) )
1106     {
1107         toggleMinimalView( !b_minimalView );
1108         e->accept();
1109     }
1110
1111     int i_vlck = qtEventToVLCKey( e );
1112     if( i_vlck > 0 )
1113     {
1114         var_SetInteger( p_intf->p_libvlc, "key-pressed", i_vlck );
1115         e->accept();
1116     }
1117     else
1118         e->ignore();
1119 }
1120
1121 void MainInterface::wheelEvent( QWheelEvent *e )
1122 {
1123     int i_vlckey = qtWheelEventToVLCKey( e );
1124     var_SetInteger( p_intf->p_libvlc, "key-pressed", i_vlckey );
1125     e->accept();
1126 }
1127
1128 void MainInterface::closeEvent( QCloseEvent *e )
1129 {
1130     e->accept();
1131     hide();
1132     THEDP->quit();
1133 }
1134
1135 void MainInterface::setInterfaceFullScreen( bool fs )
1136 {
1137     if( fs )
1138         setWindowState( windowState() | Qt::WindowFullScreen );
1139     else
1140         setWindowState( windowState() & ~Qt::WindowFullScreen );
1141 }
1142 void MainInterface::toggleInterfaceFullScreen()
1143 {
1144     b_interfaceFullScreen = !b_interfaceFullScreen;
1145     if( !b_videoFullScreen )
1146         setInterfaceFullScreen( b_interfaceFullScreen );
1147     emit fullscreenInterfaceToggled( b_interfaceFullScreen );
1148 }
1149
1150 /*****************************************************************************
1151  * PopupMenuCB: callback triggered by the intf-popupmenu playlist variable.
1152  *  We don't show the menu directly here because we don't want the
1153  *  caller to block for a too long time.
1154  *****************************************************************************/
1155 static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
1156                         vlc_value_t old_val, vlc_value_t new_val, void *param )
1157 {
1158     intf_thread_t *p_intf = (intf_thread_t *)param;
1159
1160     if( p_intf->pf_show_dialog )
1161     {
1162         p_intf->pf_show_dialog( p_intf, INTF_DIALOG_POPUPMENU,
1163                                 new_val.b_bool, NULL );
1164     }
1165
1166     return VLC_SUCCESS;
1167 }
1168
1169 /*****************************************************************************
1170  * IntfShowCB: callback triggered by the intf-show libvlc variable.
1171  *****************************************************************************/
1172 static int IntfShowCB( vlc_object_t *p_this, const char *psz_variable,
1173                        vlc_value_t old_val, vlc_value_t new_val, void *param )
1174 {
1175     intf_thread_t *p_intf = (intf_thread_t *)param;
1176     p_intf->p_sys->p_mi->toggleFSC();
1177
1178     /* Show event */
1179      return VLC_SUCCESS;
1180 }