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