vcs.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          closeAction = new QAction(tr("&Close"), this);
  19          connect(settingsAction, SIGNAL(triggered()), this, SIGNAL(showSettingsClicked()));
  20          connect(closeAction, SIGNAL(triggered()), this, SIGNAL(closeClicked()));
  21      editMenu = menuBar()->addMenu(tr("&Edit"));
  22      editMenu->addAction(settingsAction);
  23          menuBar()->addMenu(editMenu);
  24          menuBar()->addAction(closeAction);
  25 }
  26
  27 WindowManager::~WindowManager()
  28 {
  29
  30 }
  31
  32 void WindowManager::showView( ViewBase *view )
  33 {
  34         // The views parent must be WindowManager when it is displayed trough this
  35         QWidget *parent = static_cast<QWidget *>(view->parent());
  36         if ( parent != this )
  37         {
  38                 view->setParent( this );
  39         }
  40
  41         // Store the current view because it is hidden after the new view is shown
  42         QWidget *oldView = iCurrentView;
  43
  44         // If the new view is observed view we store the current into stack
  45         // from which it is restored when the new view receives event we are
  46         // listening to.
  47         if ( view->viewMode() == ViewBase::ObservedView )
  48         {
  49                 iViewList.push( iCurrentView );
  50         }
  51
  52         // Make the new view visible and handle connections
  53         iCurrentView = view;
  54         connect( iCurrentView, SIGNAL( eventDetected() ), this, SLOT( viewEventDetected() ) );
  55         connect( this, SIGNAL( viewResized(const QSize &, const QSize &) ), iCurrentView, SLOT( viewResized( const QSize &, const QSize & ) ) );
  56         if (((QWidget*)view) != this)
  57         {
  58                 this->adjustSize();
  59         }
  60         view->resize(this->size());
  61         //view->adjustSize();
  62         view->show();
  63
  64         // Disconnect old connections and hide the view
  65         if ( oldView != 0 )
  66         {
  67                 disconnect( oldView, SIGNAL( eventDetected() ), this, SLOT( viewEventDetected() ) );
  68                 disconnect( this, SIGNAL( viewResized(const QSize &, const QSize &) ), oldView, SLOT( viewResized(const QSize &, const QSize &) ) );
  69                 oldView->hide();
  70         }
  71
  72 }
  73
  74 void WindowManager::showDialog(QDialog *aDialog, bool blocking, bool aSendSignal)
  75 {
  76         // Handle dialog displaying
  77         if ( aSendSignal ) emit dialogActivated();
  78         if ( blocking )
  79         {
  80                 aDialog->exec();
  81         }
  82         else
  83         {
  84                 aDialog->show();
  85         }
  86         if ( aSendSignal ) emit dialogDeactivated();
  87 }
  88
  89 void WindowManager::viewEventDetected()
  90 {
  91
  92         if ( iCurrentView != 0 )
  93         {
  94                 if ( iCurrentView->viewMode() == ViewBase::NormalView )
  95                 {
  96                         emit eventDetected();
  97                 }
  98                 else if ( iCurrentView->viewMode() == ViewBase::ObservedView )
  99                 {
 100                         if ( !iViewList.isEmpty() )
 101                         {
 102                                 ViewBase *previousView = static_cast<ViewBase *>( iViewList.pop() );
 103                                 this->showView( previousView );
 104                                 emit previousViewRestored();
 105                         }
 106                 }
 107         }
 108
 109 }
 110
 111 bool WindowManager::event(QEvent *event)
 112 {
 113         if ( event->type() == QEvent::Resize )
 114         {
 115                 if ( iCurrentView != 0 )
 116                 {
 117                         QSize currentSize = iCurrentView->size();
 118                         iCurrentView->setFixedSize( this->size() );
 119                         emit viewResized( this->size(), currentSize );
 120                 }
 121         }
 122
 123         return QWidget::event( event );
 124 }
 125
 126 void WindowManager::error( const QString &aErrorMessage )
 127 {
 128         qDebug() << "WindowManager::error       ";
 129
 130         PopUpMessageBox *popup = PopUpMessageBox::error( 0, aErrorMessage );
 131         if ( popup != 0 )
 132         {
 133                 showDialog( static_cast<QDialog *>( popup ), false );
 134         }
 135 }
 136
 137 void WindowManager::setFullscreen()
 138 {
 139         this->setWindowState( Qt::WindowFullScreen );
 140         // Resize event handles the rest.
 141 }