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 #include "PopUpMessageBox.h"
   7
   8 #include <QtDebug>
   9
  10 WindowManager::WindowManager( QWidget *aParent ) :
  11                 QWidget( aParent ),
  12                 iApplicationName( tr( "Qt Meetings" ) ),
  13                 iCurrentView( 0 )
  14 {
  15         this->setWindowTitle( iApplicationName );
  16 }
  17
  18 WindowManager::~WindowManager()
  19 {
  20
  21 }
  22
  23 void WindowManager::showView( ViewBase *view )
  24 {
  25         // The views parent must be WindowManager when it is displayed trough this
  26         QWidget *parent = static_cast<QWidget *>(view->parent());
  27         if ( parent != this )
  28         {
  29                 view->setParent( this );
  30         }
  31
  32         // Store the current view because it is hidden after the new view is shown
  33         QWidget *oldView = iCurrentView;
  34
  35         // If the new view is observed view we store the current into stack
  36         // from which it is restored when the new view receives event we are
  37         // listening to.
  38         if ( view->viewMode() == ViewBase::ObservedView )
  39         {
  40                 iViewList.push( iCurrentView );
  41         }
  42
  43         // Make the new view visible and handle connections
  44         iCurrentView = view;
  45         connect( iCurrentView, SIGNAL( eventDetected() ), this, SLOT( viewEventDetected() ) );
  46         connect( this, SIGNAL( viewResized(const QSize &) ), iCurrentView, SLOT( viewResized( const QSize & ) ) );
  47         view->resize( this->size() );
  48
  49         view->show();
  50
  51         // Disconnect old connections and hide the view
  52         if ( oldView != 0 )
  53         {
  54                 disconnect( oldView, SIGNAL( eventDetected() ), this, SLOT( viewEventDetected() ) );
  55                 disconnect( this, SIGNAL( viewResized(const QSize &) ), oldView, SLOT( viewResized(const QSize &) ) );
  56                 oldView->hide();
  57         }
  58
  59 }
  60
  61 void WindowManager::showDialog(QDialog *dialog)
  62 {
  63         // Handle dialog displaying
  64         emit dialogActivated();
  65         dialog->exec();
  66         emit dialogDeactivated();
  67 }
  68
  69 void WindowManager::viewEventDetected()
  70 {
  71
  72         if ( iCurrentView != 0 )
  73         {
  74                 if ( iCurrentView->viewMode() == ViewBase::NormalView )
  75                 {
  76                         emit eventDetected();
  77                 }
  78                 else if ( iCurrentView->viewMode() == ViewBase::ObservedView )
  79                 {
  80                         if ( !iViewList.isEmpty() )
  81                         {
  82                                 ViewBase *previousView = static_cast<ViewBase *>( iViewList.pop() );
  83                                 this->showView( previousView );
  84                                 emit previousViewRestored();
  85                         }
  86                 }
  87         }
  88
  89 }
  90
  91 bool WindowManager::event(QEvent *event)
  92 {
  93         if ( event->type() == QEvent::Resize )
  94         {
  95                 if ( iCurrentView != 0 )
  96                 {
  97                         iCurrentView->setFixedSize( this->size() );
  98                         emit viewResized( this->size() );
  99                 }
 100         }
 101
 102         return QWidget::event( event );
 103 }
 104
 105 void WindowManager::error( const QString &aErrorMessage )
 106 {
 107         qDebug() << "WindowManager::showErrorPopup";
 108
 109         showDialog( static_cast<QDialog *>( PopUpMessageBox::error( 0, aErrorMessage ) ) );
 110 }
 111
 112 void WindowManager::setFullscreen()
 113 {
 114         this->setWindowState( Qt::WindowFullScreen );
 115         // Resize event handles the rest.
 116 }