vcs.maemo.org Git - qtmeetings/blob - src/UserInterface/WindowManager.cpp

   1 #include "WindowManager.h"
   2
   3 #include <QEvent>
   4 #include <QDialog>
   5 #include "ViewBase.h"
   6
   7 #include <QtDebug>
   8
   9 const int IDLE_TIME_MULTIPLIER = 60000; // Multiplies milliseconds to minutes
  10
  11 WindowManager::WindowManager( QWidget *aParent ) :
  12                 QWidget( aParent ),
  13                 iApplicationName( tr( "Qt Meetings" ) ),
  14                 iCurrentView( 0 )
  15 {
  16         this->setWindowTitle( iApplicationName );
  17 }
  18
  19 WindowManager::~WindowManager()
  20 {
  21
  22 }
  23
  24 void WindowManager::showView( ViewBase *view )
  25 {
  26         // The views parent must be WindowManager when it is displayed trough this
  27         QWidget *parent = static_cast<QWidget *>(view->parent());
  28         if ( parent != this )
  29         {
  30                 view->setParent( this );
  31         }
  32
  33         // Store the current view because it is hidden after the new view is shown
  34         QWidget *oldView = iCurrentView;
  35
  36         // If the new view is observed view we store the current into stack
  37         // from which it is restored when the new view receives event we are
  38         // listening to.
  39         if ( view->viewMode() == ViewBase::ObservedView )
  40         {
  41                 iViewList.push( iCurrentView );
  42         }
  43
  44         // Make the new view visible and handle connections
  45         iCurrentView = view;
  46         connect( iCurrentView, SIGNAL( eventDetected() ), this, SLOT( viewEventDetected() ) );
  47         connect( this, SIGNAL( viewResized(const QSize &) ), iCurrentView, SLOT( viewResized( const QSize & ) ) );
  48         view->resize( this->size() );
  49
  50         view->show();
  51
  52         // Disconnect old connections and hide the view
  53         if ( oldView != 0 )
  54         {
  55                 disconnect( oldView, SIGNAL( eventDetected() ), this, SLOT( viewEventDetected() ) );
  56                 disconnect( this, SIGNAL( viewResized(const QSize &) ), oldView, SLOT( viewResized(const QSize &) ) );
  57                 oldView->hide();
  58         }
  59
  60 }
  61
  62 void WindowManager::showDialog(QDialog *dialog)
  63 {
  64         // Handle dialog displaying
  65         emit dialogActivated();
  66         dialog->exec();
  67         emit dialogDeactivated();
  68 }
  69
  70 void WindowManager::viewEventDetected()
  71 {
  72
  73         if ( iCurrentView != 0 )
  74         {
  75                 if ( iCurrentView->viewMode() == ViewBase::NormalView )
  76                 {
  77                         emit eventDetected();
  78                 }
  79                 else if ( iCurrentView->viewMode() == ViewBase::ObservedView )
  80                 {
  81                         if ( !iViewList.isEmpty() )
  82                         {
  83                                 ViewBase *previousView = static_cast<ViewBase *>( iViewList.pop() );
  84                                 this->showView( previousView );
  85                                 emit previousViewRestored();
  86                         }
  87                 }
  88         }
  89
  90 }
  91
  92 bool WindowManager::event(QEvent *event)
  93 {
  94         if ( event->type() == QEvent::Resize )
  95         {
  96                 if ( iCurrentView != 0 )
  97                 {
  98                         iCurrentView->setFixedSize( this->size() );
  99                         emit viewResized( this->size() );
 100                 }
 101         }
 102
 103         return QWidget::event( event );
 104 }
 105
 106 void WindowManager::setFullscreen()
 107 {
 108         this->setWindowState( Qt::WindowFullScreen );
 109         // Resize event handles the rest.
 110 }