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 WindowManager::WindowManager( QWidget *aParent ) :
  10                 QWidget( aParent ),
  11                 iApplicationName( tr( "Qt Meetings" ) ),
  12                 iCurrentView( 0 )
  13 {
  14         this->setWindowTitle( iApplicationName );
  15 }
  16
  17 WindowManager::~WindowManager()
  18 {
  19
  20 }
  21
  22 void WindowManager::showView( ViewBase *view )
  23 {
  24         // The views parent must be WindowManager when it is displayed trough this
  25         QWidget *parent = static_cast<QWidget *>(view->parent());
  26         if ( parent != this )
  27         {
  28                 view->setParent( this );
  29         }
  30
  31         // Store the current view because it is hidden after the new view is shown
  32         QWidget *oldView = iCurrentView;
  33
  34         // If the new view is observed view we store the current into stack
  35         // from which it is restored when the new view receives event we are
  36         // listening to.
  37         if ( view->viewMode() == ViewBase::ObservedView )
  38         {
  39                 iViewList.push( iCurrentView );
  40         }
  41
  42         // Make the new view visible and handle connections
  43         iCurrentView = view;
  44         connect( iCurrentView, SIGNAL( eventDetected() ), this, SLOT( viewEventDetected() ) );
  45         connect( this, SIGNAL( viewResized(const QSize &) ), iCurrentView, SLOT( viewResized( const QSize & ) ) );
  46         view->resize( this->size() );
  47
  48         view->show();
  49
  50         // Disconnect old connections and hide the view
  51         if ( oldView != 0 )
  52         {
  53                 disconnect( oldView, SIGNAL( eventDetected() ), this, SLOT( viewEventDetected() ) );
  54                 disconnect( this, SIGNAL( viewResized(const QSize &) ), oldView, SLOT( viewResized(const QSize &) ) );
  55                 oldView->hide();
  56         }
  57
  58 }
  59
  60 void WindowManager::showDialog(QDialog *dialog)
  61 {
  62         // Handle dialog displaying
  63         emit dialogActivated();
  64         dialog->exec();
  65         emit dialogDeactivated();
  66 }
  67
  68 void WindowManager::viewEventDetected()
  69 {
  70
  71         if ( iCurrentView != 0 )
  72         {
  73                 if ( iCurrentView->viewMode() == ViewBase::NormalView )
  74                 {
  75                         emit eventDetected();
  76                 }
  77                 else if ( iCurrentView->viewMode() == ViewBase::ObservedView )
  78                 {
  79                         if ( !iViewList.isEmpty() )
  80                         {
  81                                 ViewBase *previousView = static_cast<ViewBase *>( iViewList.pop() );
  82                                 this->showView( previousView );
  83                                 emit previousViewRestored();
  84                         }
  85                 }
  86         }
  87
  88 }
  89
  90 bool WindowManager::event(QEvent *event)
  91 {
  92         if ( event->type() == QEvent::Resize )
  93         {
  94                 if ( iCurrentView != 0 )
  95                 {
  96                         iCurrentView->setFixedSize( this->size() );
  97                         emit viewResized( this->size() );
  98                 }
  99         }
 100
 101         return QWidget::event( event );
 102 }
 103
 104 void WindowManager::error( const QString &aErrorMessage )
 105 {
 106         qDebug() << "WindowManager::showErrorPopup";
 107
 108 //      PopUpMessageBox::error( 0, aErrorMessage );
 109 }
 110
 111 void WindowManager::setFullscreen()
 112 {
 113         this->setWindowState( Qt::WindowFullScreen );
 114         // Resize event handles the rest.
 115 }