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

   1 #include "WindowManager.h"
   2
   3 #include <QEvent>
   4 #include <QDialog>
   5 #include <QMenuBar>
   6 #include "ViewBase.h"
   7 #include "PopUpMessageBox.h"
   8
   9 #include <QtDebug>
  10
  11 WindowManager::WindowManager( QWidget *aParent ) :
  12         QMainWindow( aParent ),
  13                 iApplicationName( tr( "Qt Meetings" ) ),
  14                 iCurrentView( 0 )
  15 {
  16         this->setWindowTitle( iApplicationName );
  17          settingsAction = new QAction(tr("&Settings"), this);
  18          connect(settingsAction, SIGNAL(triggered()), this, SIGNAL(showSettingsClicked()));
  19          menuBar()->addAction(settingsAction);
  20 }
  21
  22 WindowManager::~WindowManager()
  23 {
  24
  25 }
  26
  27 void WindowManager::showView( ViewBase *view )
  28 {
  29         // The views parent must be WindowManager when it is displayed trough this
  30         QWidget *parent = static_cast<QWidget *>(view->parent());
  31         if ( parent != this )
  32         {
  33                 view->setParent( this );
  34         }
  35
  36         // Store the current view because it is hidden after the new view is shown
  37         QWidget *oldView = iCurrentView;
  38
  39         // If the new view is observed view we store the current into stack
  40         // from which it is restored when the new view receives event we are
  41         // listening to.
  42         if ( view->viewMode() == ViewBase::ObservedView )
  43         {
  44                 iViewList.push( iCurrentView );
  45         }
  46
  47         // Make the new view visible and handle connections
  48         iCurrentView = view;
  49         connect( iCurrentView, SIGNAL( eventDetected() ), this, SLOT( viewEventDetected() ) );
  50         connect( this, SIGNAL( viewResized(const QSize &, const QSize &) ), iCurrentView, SLOT( viewResized( const QSize &, const QSize & ) ) );
  51         if (((QWidget*)view) != this)
  52         {
  53                 this->adjustSize();
  54         }
  55         view->resize(this->size());
  56         //view->adjustSize();
  57         view->show();
  58
  59         // Disconnect old connections and hide the view
  60         if ( oldView != 0 )
  61         {
  62                 disconnect( oldView, SIGNAL( eventDetected() ), this, SLOT( viewEventDetected() ) );
  63                 disconnect( this, SIGNAL( viewResized(const QSize &, const QSize &) ), oldView, SLOT( viewResized(const QSize &, const QSize &) ) );
  64                 oldView->hide();
  65         }
  66
  67 }
  68
  69 void WindowManager::showDialog(QDialog *aDialog, bool blocking, bool aSendSignal)
  70 {
  71         // Handle dialog displaying
  72         if ( aSendSignal ) emit dialogActivated();
  73         if ( blocking )
  74         {
  75                 aDialog->exec();
  76         }
  77         else
  78         {
  79                 aDialog->show();
  80         }
  81         if ( aSendSignal ) emit dialogDeactivated();
  82 }
  83
  84 void WindowManager::viewEventDetected()
  85 {
  86
  87         if ( iCurrentView != 0 )
  88         {
  89                 if ( iCurrentView->viewMode() == ViewBase::NormalView )
  90                 {
  91                         emit eventDetected();
  92                 }
  93                 else if ( iCurrentView->viewMode() == ViewBase::ObservedView )
  94                 {
  95                         if ( !iViewList.isEmpty() )
  96                         {
  97                                 ViewBase *previousView = static_cast<ViewBase *>( iViewList.pop() );
  98                                 this->showView( previousView );
  99                                 emit previousViewRestored();
 100                         }
 101                 }
 102         }
 103
 104 }
 105
 106 bool WindowManager::event(QEvent *event)
 107 {
 108         if ( event->type() == QEvent::Resize )
 109         {
 110                 if ( iCurrentView != 0 )
 111                 {
 112                         QSize currentSize = iCurrentView->size();
 113                         iCurrentView->setFixedSize( this->size() );
 114                         emit viewResized( this->size(), currentSize );
 115                 }
 116         }
 117
 118         return QWidget::event( event );
 119 }
 120
 121 void WindowManager::error( const QString &aErrorMessage )
 122 {
 123         qDebug() << "WindowManager::error       ";
 124
 125         PopUpMessageBox *popup = PopUpMessageBox::error( 0, aErrorMessage );
 126         if ( popup != 0 )
 127         {
 128                 showDialog( static_cast<QDialog *>( popup ), false );
 129         }
 130 }
 131
 132 void WindowManager::setFullscreen()
 133 {
 134         this->setWindowState( Qt::WindowFullScreen );
 135         // Resize event handles the rest.
 136 }