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 &, const QSize &) ), iCurrentView, SLOT( viewResized( const QSize &, 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 &, const QSize &) ), oldView, SLOT( viewResized(const QSize &, const QSize &) ) );
  56                 oldView->hide();
  57         }
  58
  59 }
  60
  61 void WindowManager::showDialog(QDialog *aDialog, bool blocking, bool aSendSignal)
  62 {
  63         // Handle dialog displaying
  64         if ( aSendSignal ) emit dialogActivated();
  65         if ( blocking )
  66         {
  67                 aDialog->exec();
  68         }
  69         else
  70         {
  71                 aDialog->show();
  72         }
  73         if ( aSendSignal ) emit dialogDeactivated();
  74 }
  75
  76 void WindowManager::viewEventDetected()
  77 {
  78
  79         if ( iCurrentView != 0 )
  80         {
  81                 if ( iCurrentView->viewMode() == ViewBase::NormalView )
  82                 {
  83                         emit eventDetected();
  84                 }
  85                 else if ( iCurrentView->viewMode() == ViewBase::ObservedView )
  86                 {
  87                         if ( !iViewList.isEmpty() )
  88                         {
  89                                 ViewBase *previousView = static_cast<ViewBase *>( iViewList.pop() );
  90                                 this->showView( previousView );
  91                                 emit previousViewRestored();
  92                         }
  93                 }
  94         }
  95
  96 }
  97
  98 bool WindowManager::event(QEvent *event)
  99 {
 100         if ( event->type() == QEvent::Resize )
 101         {
 102                 if ( iCurrentView != 0 )
 103                 {
 104                         QSize currentSize = iCurrentView->size();
 105                         iCurrentView->setFixedSize( this->size() );
 106                         emit viewResized( this->size(), currentSize );
 107                 }
 108         }
 109
 110         return QWidget::event( event );
 111 }
 112
 113 void WindowManager::error( const QString &aErrorMessage )
 114 {
 115         qDebug() << "WindowManager::error       ";
 116
 117         PopUpMessageBox *popup = PopUpMessageBox::error( 0, aErrorMessage );
 118         if ( popup != 0 )
 119         {
 120                 showDialog( static_cast<QDialog *>( popup ), false );
 121         }
 122 }
 123
 124 void WindowManager::setFullscreen()
 125 {
 126         this->setWindowState( Qt::WindowFullScreen );
 127         // Resize event handles the rest.
 128 }