git.sesse.net Git - vlc/blob - modules/gui/qt4/main_interface.cpp

   1 /*****************************************************************************
   2  * main_interface.cpp : Main interface
   3  ****************************************************************************
   4  * Copyright (C) 2006-2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Clément Stenac <zorglub@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #include "qt4.hpp"
  25 #include "main_interface.hpp"
  26 #include "input_manager.hpp"
  27 #include "util/input_slider.hpp"
  28 #include "util/qvlcframe.hpp"
  29 #include "util/customwidgets.hpp"
  30 #include "dialogs_provider.hpp"
  31 #include "components/interface_widgets.hpp"
  32 #include "dialogs/playlist.hpp"
  33 #include "menus.hpp"
  34
  35 #include <QMenuBar>
  36 #include <QCloseEvent>
  37 #include <QPushButton>
  38 #include <QStatusBar>
  39 #include <QKeyEvent>
  40 #include <QUrl>
  41 #include <QSystemTrayIcon>
  42
  43 #include <assert.h>
  44 #include <vlc_keys.h>
  45 #include <vlc_vout.h>
  46
  47 #ifdef WIN32
  48     #define PREF_W 410
  49     #define PREF_H 121
  50 #else
  51     #define PREF_W 450
  52     #define PREF_H 125
  53 #endif
  54
  55 #define VISIBLE(i) (i && i->isVisible())
  56
  57 #define SET_WIDTH(i,j) i->widgetSize.setWidth(j)
  58 #define SET_HEIGHT(i,j) i->widgetSize.setHeight(j)
  59 #define SET_WH( i,j,k) i->widgetSize.setWidth(j); i->widgetSize.setHeight(k);
  60
  61 #define DS(i) i.width(),i.height()
  62
  63 /* Callback prototypes */
  64 static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
  65                         vlc_value_t old_val, vlc_value_t new_val, void *param );
  66 static int IntfShowCB( vlc_object_t *p_this, const char *psz_variable,
  67                        vlc_value_t old_val, vlc_value_t new_val, void *param );
  68 static int InteractCallback( vlc_object_t *, const char *, vlc_value_t,
  69                              vlc_value_t, void *);
  70 /* Video handling */
  71 static void *DoRequest( intf_thread_t *p_intf, vout_thread_t *p_vout,
  72                         int *pi1, int *pi2, unsigned int*pi3,unsigned int*pi4)
  73 {
  74     return p_intf->p_sys->p_mi->requestVideo( p_vout, pi1, pi2, pi3, pi4 );
  75 }
  76 static void DoRelease( intf_thread_t *p_intf, void *p_win )
  77 {
  78     return p_intf->p_sys->p_mi->releaseVideo( p_win );
  79 }
  80 static int DoControl( intf_thread_t *p_intf, void *p_win, int i_q, va_list a )
  81 {
  82     return p_intf->p_sys->p_mi->controlVideo( p_win, i_q, a );
  83 }
  84
  85 MainInterface::MainInterface( intf_thread_t *_p_intf ) : QVLCMW( _p_intf )
  86 {
  87     /* Configuration */
  88     settings = new QSettings( "VideoLAN", "VLC" );
  89     settings->beginGroup( "MainWindow" );
  90
  91     setWindowIcon( QApplication::windowIcon() );
  92
  93     need_components_update = false;
  94     bgWidget = NULL; videoWidget = NULL; playlistWidget = NULL;
  95     embeddedPlaylistWasActive = videoIsActive = false;
  96
  97     videoEmbeddedFlag = false;
  98     if( config_GetInt( p_intf, "embedded-video" ) ) videoEmbeddedFlag = true;
  99
 100     alwaysVideoFlag = false;
 101     if( videoEmbeddedFlag && config_GetInt( p_intf, "qt-always-video" ))
 102         alwaysVideoFlag = true;
 103
 104     playlistEmbeddedFlag = settings->value("playlist-embedded", true).toBool();
 105     advControlsEnabled= settings->value( "adv-controls", false ).toBool();
 106     visualSelectorEnabled= settings->value( "visual-selector", false ).toBool();
 107
 108     /* UI */
 109     setVLCWindowsTitle();
 110     handleMainUi( settings );
 111     QVLCMenu::createMenuBar( this, p_intf, playlistEmbeddedFlag,
 112                              advControlsEnabled, visualSelectorEnabled );
 113     timeLabel = new QLabel( 0 );
 114     nameLabel = new QLabel( 0 );
 115     statusBar()->addWidget( nameLabel, 4 );
 116     statusBar()->addPermanentWidget( timeLabel, 1 );
 117
 118     setFocusPolicy( Qt::StrongFocus );
 119     setAcceptDrops(true);
 120
 121     /* Init input manager */
 122     MainInputManager::getInstance( p_intf );
 123     ON_TIMEOUT( updateOnTimer() );
 124
 125     /* Volume control */
 126     CONNECT( ui.volumeSlider, valueChanged(int), this, updateVolume(int) );
 127     /* Connect the input manager to the GUI elements it manages */
 128     CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
 129              slider, setPosition( float,int, int ) );
 130     CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
 131              this, setDisplay( float, int, int ) );
 132     CONNECT( THEMIM->getIM(), nameChanged( QString ), this,setName( QString ) );
 133     CONNECT( THEMIM->getIM(), statusChanged( int ), this, setStatus( int ) );
 134     CONNECT( THEMIM->getIM(), statusChanged( int ), this,
 135              updateSystrayMenu( int ) );
 136     CONNECT( THEMIM->getIM(), navigationChanged( int ),
 137              this, setNavigation(int) );
 138     CONNECT( slider, sliderDragged( float ),
 139              THEMIM->getIM(), sliderUpdate( float ) );
 140
 141     CONNECT( ui.prevSectionButton, clicked(), THEMIM->getIM(),
 142              sectionPrev() );
 143     CONNECT( ui.nextSectionButton, clicked(), THEMIM->getIM(),
 144              sectionNext() );
 145     CONNECT( ui.menuButton, clicked(), THEMIM->getIM(),
 146              sectionMenu() );
 147
 148     var_Create( p_intf, "interaction", VLC_VAR_ADDRESS );
 149     var_AddCallback( p_intf, "interaction", InteractCallback, this );
 150     p_intf->b_interaction = VLC_TRUE;
 151
 152     /* Register callback for the intf-popupmenu variable */
 153     playlist_t *p_playlist = (playlist_t *)vlc_object_find( p_intf,
 154                                         VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 155     if( p_playlist != NULL )
 156     {
 157         var_AddCallback( p_playlist, "intf-popupmenu", PopupMenuCB, p_intf );
 158         var_AddCallback( p_playlist, "intf-show", IntfShowCB, p_intf );
 159         vlc_object_release( p_playlist );
 160     }
 161     if( QSystemTrayIcon::isSystemTrayAvailable() &&
 162                               ( config_GetInt( p_intf, "qt-system-tray") == 1))
 163             createSystrayMenu();
 164 }
 165
 166 MainInterface::~MainInterface()
 167 {
 168     /* Unregister callback for the intf-popupmenu variable */
 169     playlist_t *p_playlist = (playlist_t *)vlc_object_find( p_intf,
 170                                         VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 171     if( p_playlist != NULL )
 172     {
 173         var_DelCallback( p_playlist, "intf-popupmenu", PopupMenuCB, p_intf );
 174         var_DelCallback( p_playlist, "intf-show", IntfShowCB, p_intf );
 175         vlc_object_release( p_playlist );
 176     }
 177
 178     settings->setValue( "playlist-embedded", playlistEmbeddedFlag );
 179     settings->setValue( "adv-controls", advControlsEnabled );
 180     settings->setValue( "pos", pos() );
 181     settings->endGroup();
 182     delete settings;
 183     p_intf->b_interaction = VLC_FALSE;
 184     var_DelCallback( p_intf, "interaction", InteractCallback, this );
 185
 186     p_intf->pf_request_window = NULL;
 187     p_intf->pf_release_window = NULL;
 188     p_intf->pf_control_window = NULL;
 189 }
 190
 191 void MainInterface::setVLCWindowsTitle( QString aTitle )
 192 {
 193     if( aTitle.isEmpty() )
 194     {
 195         this->setWindowTitle( qtr( "VLC media player" ) );
 196     }
 197     else
 198     {
 199         this->setWindowTitle( aTitle + " - " + qtr( "VLC media player" ) );
 200     }
 201 }
 202
 203 void MainInterface::handleMainUi( QSettings *settings )
 204 {
 205     QWidget *main = new QWidget( this );
 206     setCentralWidget( main );
 207     ui.setupUi( centralWidget() );
 208
 209     slider = new InputSlider( Qt::Horizontal, NULL );
 210     ui.vboxLayout->insertWidget( 0, slider );
 211     ui.discFrame->hide();
 212     BUTTON_SET_IMG( ui.prevSectionButton, "", previous.png, "" );
 213     BUTTON_SET_IMG( ui.nextSectionButton, "", next.png, "" );
 214     BUTTON_SET_IMG( ui.menuButton, "", previous.png, "" );
 215
 216     BUTTON_SET_ACT_I( ui.prevButton, "" , previous.png,
 217                       qtr("Previous"), prev() );
 218     BUTTON_SET_ACT_I( ui.nextButton, "", next.png, qtr("Next"), next() );
 219     BUTTON_SET_ACT_I( ui.playButton, "", play.png, qtr("Play"), play() );
 220     BUTTON_SET_ACT_I( ui.stopButton, "", stop.png, qtr("Stop"), stop() );
 221
 222     /* Volume */
 223     ui.volMuteLabel->setPixmap( QPixmap( ":/pixmaps/volume-low.png" ) );
 224     ui.volumeSlider->setMaximum( 100 );
 225     ui.volMuteLabel->setToolTip( qtr( "Mute" ) );
 226     VolumeClickHandler *h = new VolumeClickHandler( p_intf, this );
 227     ui.volMuteLabel->installEventFilter(h);
 228     ui.volumeSlider->setFocusPolicy( Qt::NoFocus );
 229
 230     BUTTON_SET_IMG( ui.playlistButton, "" , playlist_icon.png,
 231                         playlistEmbeddedFlag ?  qtr( "Show playlist" ) :
 232                                                 qtr( "Open playlist" ) );
 233     BUTTONACT( ui.playlistButton, playlist() );
 234
 235     /* Set initial size */
 236     resize ( PREF_W, PREF_H );
 237
 238     addSize = QSize( ui.vboxLayout->margin() * 2, PREF_H );
 239
 240     advControls = new ControlsWidget( p_intf );
 241     ui.vboxLayout->insertWidget( 0, advControls );
 242     advControls->updateGeometry();
 243     if( !advControlsEnabled ) advControls->hide();
 244     need_components_update = true;
 245
 246     visualSelector = new VisualSelector( p_intf );
 247     ui.vboxLayout->insertWidget( 0, visualSelector );
 248     visualSelector->hide();
 249
 250     if( alwaysVideoFlag )
 251     {
 252         bgWidget = new BackgroundWidget( p_intf );
 253         bgWidget->widgetSize = settings->value( "backgroundSize",
 254                                                 QSize( 200, 200 ) ).toSize();
 255         bgWidget->resize( bgWidget->widgetSize );
 256         bgWidget->updateGeometry();
 257         ui.vboxLayout->insertWidget( 0, bgWidget );
 258     }
 259
 260     if( videoEmbeddedFlag )
 261     {
 262         videoWidget = new VideoWidget( p_intf );
 263         videoWidget->widgetSize = QSize( 1, 1 );
 264         videoWidget->resize( videoWidget->widgetSize );
 265         ui.vboxLayout->insertWidget( 0, videoWidget );
 266
 267         p_intf->pf_request_window  = ::DoRequest;
 268         p_intf->pf_release_window  = ::DoRelease;
 269         p_intf->pf_control_window  = ::DoControl;
 270     }
 271     setMinimumSize( PREF_W, addSize.height() );
 272 }
 273
 274 void MainInterface::createSystrayMenu()
 275 {
 276     sysTray = new QSystemTrayIcon( QIcon( QPixmap( ":/vlc128.png" ) ) );
 277     systrayMenu = new QMenu( qtr( "VLC media player" ), this );
 278     QVLCMenu::updateSystrayMenu( this, p_intf );
 279     sysTray->show();
 280 }
 281
 282 void MainInterface::updateSystrayMenu( int status )
 283 {
 284     QVLCMenu::updateSystrayMenu( this, p_intf ) ;
 285 }
 286
 287 /**********************************************************************
 288  * Handling of the components
 289  **********************************************************************/
 290 void MainInterface::calculateInterfaceSize()
 291 {
 292     int width = 0, height = 0;
 293     if( VISIBLE( bgWidget ) )
 294     {
 295         width = bgWidget->widgetSize.width();
 296         height = bgWidget->widgetSize.height();
 297         assert( !(playlistWidget && playlistWidget->isVisible() ) );
 298     }
 299     else if( VISIBLE( playlistWidget ) )
 300     {
 301         width = playlistWidget->widgetSize.width();
 302         height = playlistWidget->widgetSize.height();
 303     }
 304     else if( videoIsActive )
 305     {
 306         width =  videoWidget->widgetSize.width() ;
 307         height = videoWidget->widgetSize.height();
 308     }
 309     else
 310     {
 311         width = PREF_W - addSize.width();
 312         height = PREF_H - addSize.height();
 313     }
 314     if( VISIBLE( visualSelector ) )
 315         height += visualSelector->height();
 316     if( VISIBLE( advControls) )
 317     {
 318         height += advControls->sizeHint().height();
 319     }
 320     mainSize = QSize( width + addSize.width(), height + addSize.height() );
 321 }
 322
 323 void MainInterface::resizeEvent( QResizeEvent *e )
 324 {
 325     videoWidget->widgetSize.setWidth(  e->size().width() - addSize.width() );
 326     if( videoWidget && videoIsActive && videoWidget->widgetSize.height() > 1 )
 327     {
 328         SET_WH( videoWidget, e->size().width() - addSize.width(),
 329                              e->size().height()  - addSize.height() );
 330         videoWidget->updateGeometry();
 331     }
 332     if( VISIBLE( playlistWidget ) )
 333     {
 334         SET_WH( playlistWidget , e->size().width() - addSize.width(),
 335                                  e->size().height() - addSize.height() );
 336         playlistWidget->updateGeometry();
 337     }
 338 }
 339
 340 void *MainInterface::requestVideo( vout_thread_t *p_nvout, int *pi_x,
 341                                    int *pi_y, unsigned int *pi_width,
 342                                    unsigned int *pi_height )
 343 {
 344     void *ret = videoWidget->request( p_nvout,pi_x, pi_y, pi_width, pi_height );
 345     if( ret )
 346     {
 347         videoIsActive = true;
 348         if( VISIBLE( playlistWidget ) )
 349         {
 350             embeddedPlaylistWasActive = true;
 351 //            playlistWidget->hide();
 352         }
 353         bool bgWasVisible = false;
 354         if( VISIBLE( bgWidget) )
 355         {
 356             bgWasVisible = true;
 357 //            bgWidget->hide();
 358         }
 359         if( THEMIM->getIM()->hasVideo() || !bgWasVisible )
 360         {
 361             videoWidget->widgetSize = QSize( *pi_width, *pi_height );
 362         }
 363         else /* Background widget available, use its size */
 364         {
 365             /* Ok, our visualizations are bad, so don't do this for the moment
 366              * use the requested size anyway */
 367             // videoWidget->widgetSize = bgWidget->widgeTSize;
 368             videoWidget->widgetSize = QSize( *pi_width, *pi_height );
 369         }
 370 //        videoWidget->updateGeometry(); /// FIXME: Needed ?
 371         need_components_update = true;
 372     }
 373     return ret;
 374 }
 375
 376 void MainInterface::releaseVideo( void *p_win )
 377 {
 378     videoWidget->release( p_win );
 379     videoWidget->widgetSize = QSize( 0, 0 );
 380     videoWidget->resize( videoWidget->widgetSize );
 381
 382     if( embeddedPlaylistWasActive )
 383         ;//playlistWidget->show();
 384     else if( bgWidget )
 385         ;//bgWidget->show();
 386
 387     videoIsActive = false;
 388     need_components_update = true;
 389 }
 390
 391 class SetVideoOnTopQtEvent : public QEvent
 392 {
 393 public:
 394     SetVideoOnTopQtEvent( bool _onTop ) :
 395       QEvent( (QEvent::Type)SetVideoOnTopEvent_Type ), onTop( _onTop)
 396     {
 397     }
 398
 399     bool OnTop() const
 400     {
 401         return onTop;
 402     }
 403
 404 private:
 405     bool onTop;
 406 };
 407
 408 int MainInterface::controlVideo( void *p_window, int i_query, va_list args )
 409 {
 410     int i_ret = VLC_EGENERIC;
 411     switch( i_query )
 412     {
 413         case VOUT_GET_SIZE:
 414         {
 415             unsigned int *pi_width  = va_arg( args, unsigned int * );
 416             unsigned int *pi_height = va_arg( args, unsigned int * );
 417             *pi_width = videoWidget->widgetSize.width();
 418             *pi_height = videoWidget->widgetSize.height();
 419             i_ret = VLC_SUCCESS;
 420             break;
 421         }
 422         case VOUT_SET_SIZE:
 423         {
 424             unsigned int i_width  = va_arg( args, unsigned int );
 425             unsigned int i_height = va_arg( args, unsigned int );
 426             videoWidget->widgetSize = QSize( i_width, i_height );
 427             // videoWidget->updateGeometry();
 428             need_components_update = true;
 429             i_ret = VLC_SUCCESS;
 430             break;
 431         }
 432         case VOUT_SET_STAY_ON_TOP:
 433         {
 434             int i_arg = va_arg( args, int );
 435             QApplication::postEvent( this, new SetVideoOnTopQtEvent( i_arg ) );
 436             i_ret = VLC_SUCCESS;
 437             break;
 438         }
 439         default:
 440             msg_Warn( p_intf, "unsupported control query" );
 441             break;
 442     }
 443     return i_ret;
 444 }
 445
 446 void MainInterface::advanced()
 447 {
 448     if( !VISIBLE( advControls ) )
 449     {
 450         advControls->show();
 451         advControlsEnabled = true;
 452     }
 453     else
 454     {
 455         advControls->hide();
 456         advControlsEnabled = false;
 457     }
 458     doComponentsUpdate();
 459 }
 460
 461 void MainInterface::visual()
 462 {
 463     if( !VISIBLE( visualSelector) )
 464     {
 465         visualSelector->show();
 466         if( !THEMIM->getIM()->hasVideo() )
 467         {
 468             /* Show the background widget */
 469         }
 470         visualSelectorEnabled = true;
 471     }
 472     else
 473     {
 474         /* Stop any currently running visualization */
 475         visualSelector->hide();
 476         visualSelectorEnabled = false;
 477     }
 478     doComponentsUpdate();
 479 }
 480
 481 void MainInterface::playlist()
 482 {
 483     // Toggle the playlist dialog
 484     if( !playlistEmbeddedFlag )
 485     {
 486         if( playlistWidget )
 487         {
 488             /// \todo Destroy it
 489         }
 490         THEDP->playlistDialog();
 491         return;
 492     }
 493
 494     if( !playlistWidget )
 495     {
 496         PlaylistDialog::killInstance();
 497         playlistWidget = new PlaylistWidget( p_intf );
 498         ui.vboxLayout->insertWidget( 0, playlistWidget );
 499         playlistWidget->widgetSize = settings->value( "playlistSize",
 500                                                QSize( 650, 310 ) ).toSize();
 501         playlistWidget->hide();
 502     }
 503     if( VISIBLE( playlistWidget ) )
 504     {
 505         playlistWidget->hide();
 506         if( videoIsActive )
 507         {
 508             videoWidget->widgetSize = savedVideoSize;
 509             videoWidget->resize( videoWidget->widgetSize );
 510             videoWidget->updateGeometry();
 511         }
 512     }
 513     else
 514     {
 515         playlistWidget->show();
 516         if( videoIsActive )
 517         {
 518             savedVideoSize = videoWidget->widgetSize;
 519             videoWidget->widgetSize.setHeight( 0 );
 520             videoWidget->resize( videoWidget->widgetSize );
 521             videoWidget->updateGeometry();
 522         }
 523         if( VISIBLE( bgWidget ) ) bgWidget->hide();
 524     }
 525     doComponentsUpdate();
 526 }
 527
 528 /* Video widget cannot do this synchronously as it runs in another thread */
 529 /* Well, could it, actually ? Probably dangerous ... */
 530 void MainInterface::doComponentsUpdate()
 531 {
 532     calculateInterfaceSize();
 533     resize( mainSize );
 534 }
 535
 536 void MainInterface::undockPlaylist()
 537 {
 538     if( playlistWidget )
 539     {
 540         playlistWidget->hide();
 541         playlistWidget->deleteLater();
 542         ui.vboxLayout->removeWidget( playlistWidget );
 543         playlistWidget = NULL;
 544         playlistEmbeddedFlag = false;
 545
 546         menuBar()->clear();
 547         QVLCMenu::createMenuBar( this, p_intf, false, advControlsEnabled,
 548                                  visualSelectorEnabled);
 549
 550         if( videoIsActive )
 551         {
 552             videoWidget->widgetSize = savedVideoSize;
 553             videoWidget->resize( videoWidget->widgetSize );
 554             videoWidget->updateGeometry();
 555         }
 556
 557         doComponentsUpdate();
 558         THEDP->playlistDialog();
 559     }
 560 }
 561
 562 void MainInterface::customEvent( QEvent *event )
 563 {
 564     if( event->type() == PLDockEvent_Type )
 565     {
 566         PlaylistDialog::killInstance();
 567         playlistEmbeddedFlag = true;
 568         menuBar()->clear();
 569         QVLCMenu::createMenuBar(this, p_intf, true, advControlsEnabled,
 570                                 visualSelectorEnabled);
 571         playlist();
 572     }
 573     else if ( event->type() == SetVideoOnTopEvent_Type )
 574     {
 575         SetVideoOnTopQtEvent* p_event = (SetVideoOnTopQtEvent*)event;
 576         if( p_event->OnTop() )
 577             setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
 578         else
 579             setWindowFlags(windowFlags() & ~Qt::WindowStaysOnTopHint);
 580         show(); /* necessary to apply window flags?? */
 581     }
 582 }
 583
 584
 585 /************************************************************************
 586  * D&D
 587  ************************************************************************/
 588 void MainInterface::dropEvent(QDropEvent *event)
 589 {
 590      const QMimeData *mimeData = event->mimeData();
 591
 592      /* D&D of a subtitles file, add it on the fly */
 593      if( mimeData->urls().size() == 1 )
 594      {
 595         if( THEMIM->getIM()->hasInput() )
 596         {
 597             if( input_AddSubtitles( THEMIM->getInput(),
 598                                     qtu( mimeData->urls()[0].toString() ),
 599                                     VLC_TRUE ) )
 600             {
 601                 event->acceptProposedAction();
 602                 return;
 603             }
 604         }
 605      }
 606      bool first = true;
 607      foreach( QUrl url, mimeData->urls() ) {
 608         QString s = url.toString();
 609         if( s.length() > 0 ) {
 610             playlist_Add( THEPL, qtu(s), NULL,
 611                           PLAYLIST_APPEND | (first ? PLAYLIST_GO:0),
 612                           PLAYLIST_END, VLC_TRUE, VLC_FALSE );
 613             first = false;
 614         }
 615      }
 616      event->acceptProposedAction();
 617 }
 618 void MainInterface::dragEnterEvent(QDragEnterEvent *event)
 619 {
 620      event->acceptProposedAction();
 621 }
 622 void MainInterface::dragMoveEvent(QDragMoveEvent *event)
 623 {
 624      event->acceptProposedAction();
 625 }
 626 void MainInterface::dragLeaveEvent(QDragLeaveEvent *event)
 627 {
 628      event->accept();
 629 }
 630
 631 /************************************************************************
 632  * Other stuff
 633  ************************************************************************/
 634 void MainInterface::keyPressEvent( QKeyEvent *e )
 635 {
 636     int i_vlck = qtEventToVLCKey( e );
 637     if( i_vlck >= 0 )
 638     {
 639         var_SetInteger( p_intf->p_libvlc, "key-pressed", i_vlck );
 640         e->accept();
 641     }
 642     else
 643         e->ignore();
 644 }
 645
 646 void MainInterface::wheelEvent( QWheelEvent *e )
 647 {
 648     int i_vlckey = qtWheelEventToVLCKey( e );
 649     var_SetInteger( p_intf->p_libvlc, "key-pressed", i_vlckey );
 650     e->accept();
 651 }
 652
 653 void MainInterface::stop()
 654 {
 655     THEMIM->stop();
 656 }
 657
 658 void MainInterface::play()
 659 {
 660     if( playlist_IsEmpty(THEPL) )
 661     {
 662         /* The playlist is empty, open a file requester */
 663         THEDP->openFileDialog();
 664         setStatus( 0 );
 665         return;
 666     }
 667     THEMIM->togglePlayPause();
 668 }
 669
 670 void MainInterface::prev()
 671 {
 672     THEMIM->prev();
 673 }
 674
 675 void MainInterface::next()
 676 {
 677     THEMIM->next();
 678 }
 679
 680 void MainInterface::setDisplay( float pos, int time, int length )
 681 {
 682     char psz_length[MSTRTIME_MAX_SIZE], psz_time[MSTRTIME_MAX_SIZE];
 683     secstotimestr( psz_length, length );
 684     secstotimestr( psz_time, time );
 685     QString title;
 686     title.sprintf( "%s/%s", psz_time, psz_length );
 687     timeLabel->setText( " "+title+" " );
 688 }
 689
 690 void MainInterface::setName( QString name )
 691 {
 692     nameLabel->setText( " " + name+" " );
 693     setVLCWindowsTitle( name );
 694 }
 695
 696 void MainInterface::setStatus( int status )
 697 {
 698     if( status == 1 ) // Playing
 699         ui.playButton->setIcon( QIcon( ":/pixmaps/pause.png" ) );
 700     else
 701         ui.playButton->setIcon( QIcon( ":/pixmaps/play.png" ) );
 702 }
 703
 704 #define HELP_MENU N_("Menu")
 705 #define HELP_PCH N_("Previous chapter")
 706 #define HELP_NCH N_("Next chapter")
 707 #define HELP_PTR N_("Previous track")
 708 #define HELP_NTR N_("Next track")
 709
 710 void MainInterface::setNavigation( int navigation )
 711 {
 712     // 1 = chapter, 2 = title, 0 = no
 713     if( navigation == 0 )
 714     {
 715         ui.discFrame->hide();
 716     } else if( navigation == 1 ) {
 717         ui.prevSectionButton->show();
 718         ui.prevSectionButton->setToolTip( qfu(HELP_PCH) );
 719         ui.nextSectionButton->show();
 720         ui.nextSectionButton->setToolTip( qfu(HELP_NCH) );
 721         ui.menuButton->show();
 722         ui.discFrame->show();
 723     } else {
 724         ui.prevSectionButton->show();
 725         ui.prevSectionButton->setToolTip( qfu(HELP_PCH) );
 726         ui.nextSectionButton->show();
 727         ui.nextSectionButton->setToolTip( qfu(HELP_NCH) );
 728         ui.menuButton->hide();
 729         ui.discFrame->show();
 730     }
 731 }
 732
 733 static bool b_my_volume;
 734
 735 void MainInterface::updateOnTimer()
 736 {
 737     /* \todo Make this event-driven */
 738     advControls->enableInput( THEMIM->getIM()->hasInput() );
 739     advControls->enableVideo( THEMIM->getIM()->hasVideo() );
 740
 741     if( intf_ShouldDie( p_intf ) )
 742     {
 743         QApplication::closeAllWindows();
 744         QApplication::quit();
 745     }
 746     if( need_components_update )
 747     {
 748         doComponentsUpdate();
 749         need_components_update = false;
 750     }
 751
 752     audio_volume_t i_volume;
 753     aout_VolumeGet( p_intf, &i_volume );
 754     i_volume = (i_volume *  200 )/ AOUT_VOLUME_MAX ;
 755     int i_gauge = ui.volumeSlider->value();
 756     b_my_volume = false;
 757     if( i_volume - i_gauge > 1 || i_gauge - i_volume > 1 )
 758     {
 759         b_my_volume = true;
 760         ui.volumeSlider->setValue( i_volume );
 761         b_my_volume = false;
 762     }
 763 }
 764
 765 void MainInterface::closeEvent( QCloseEvent *e )
 766 {
 767     hide();
 768     p_intf->b_die = VLC_TRUE;
 769 }
 770
 771 void MainInterface::updateVolume( int sliderVolume )
 772 {
 773     if( !b_my_volume )
 774     {
 775         int i_res = sliderVolume * AOUT_VOLUME_MAX /
 776                             (2*ui.volumeSlider->maximum() );
 777         aout_VolumeSet( p_intf, i_res );
 778     }
 779 }
 780
 781 static int InteractCallback( vlc_object_t *p_this,
 782                              const char *psz_var, vlc_value_t old_val,
 783                              vlc_value_t new_val, void *param )
 784 {
 785     intf_dialog_args_t *p_arg = new intf_dialog_args_t;
 786     p_arg->p_dialog = (interaction_dialog_t *)(new_val.p_address);
 787     DialogEvent *event = new DialogEvent( INTF_DIALOG_INTERACTION, 0, p_arg );
 788     QApplication::postEvent( THEDP, static_cast<QEvent*>(event) );
 789     return VLC_SUCCESS;
 790 }
 791
 792 /*****************************************************************************
 793  * PopupMenuCB: callback triggered by the intf-popupmenu playlist variable.
 794  *  We don't show the menu directly here because we don't want the
 795  *  caller to block for a too long time.
 796  *****************************************************************************/
 797 static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
 798                         vlc_value_t old_val, vlc_value_t new_val, void *param )
 799 {
 800     intf_thread_t *p_intf = (intf_thread_t *)param;
 801
 802     if( p_intf->pf_show_dialog )
 803     {
 804         p_intf->pf_show_dialog( p_intf, INTF_DIALOG_POPUPMENU,
 805                                 new_val.b_bool, 0 );
 806     }
 807
 808     return VLC_SUCCESS;
 809 }
 810
 811 /*****************************************************************************
 812  * IntfShowCB: callback triggered by the intf-show playlist variable.
 813  *****************************************************************************/
 814 static int IntfShowCB( vlc_object_t *p_this, const char *psz_variable,
 815                        vlc_value_t old_val, vlc_value_t new_val, void *param )
 816 {
 817     intf_thread_t *p_intf = (intf_thread_t *)param;
 818     //p_intf->p_sys->b_intf_show = VLC_TRUE;
 819
 820     return VLC_SUCCESS;
 821 }