comparison src/MainWindow.cpp @ 3:17da7a332620

dynamic_cast -> qobject_cast for QObjects, works without other compilation unit

     bool haveCurrentEditableLayer =
 	(haveCurrentLayer &&
 	 currentLayer->isLayerEditable());
     bool haveCurrentTimeInstantsLayer = 
 	(haveCurrentLayer &&
-	 dynamic_cast<TimeInstantLayer *>(currentLayer));
+	 qobject_cast<TimeInstantLayer *>(currentLayer));
     bool haveCurrentTimeValueLayer = 
 	(haveCurrentLayer &&
-	 dynamic_cast<TimeValueLayer *>(currentLayer));
+	 qobject_cast<TimeValueLayer *>(currentLayer));
 
     emit canChangePlaybackSpeed(true);
     int v = m_playSpeed->value();
     emit canSpeedUpPlayback(v < m_playSpeed->maximum());
     emit canSlowDownPlayback(v > m_playSpeed->minimum());

 
 void
 MainWindow::openRecentFile()
 {
     QObject *obj = sender();
-    QAction *action = dynamic_cast<QAction *>(obj);
+    QAction *action = qobject_cast<QAction *>(obj);
     
     if (!action) {
 	std::cerr << "WARNING: MainWindow::openRecentFile: sender is not an action"
 		  << std::endl;
 	return;

     Layer *waveformLayer = 0;
 
     for (int i = 0; i < pane->getLayerCount(); ++i) {
         Layer *layer = pane->getLayer(i);
         if (!layer) continue;
-        if (dynamic_cast<WaveformLayer *>(layer)) waveformLayer = layer;
-        if (dynamic_cast<TimeValueLayer *>(layer)) return;
+        if (qobject_cast<WaveformLayer *>(layer)) waveformLayer = layer;
+        if (qobject_cast<TimeValueLayer *>(layer)) return;
     }
     if (!waveformLayer) return;
 
     waveformLayer->setObjectName(tr("Waveform"));
 

 
 void
 MainWindow::modelAdded(Model *model)
 {
     MainWindowBase::modelAdded(model);
-    DenseTimeValueModel *dtvm = dynamic_cast<DenseTimeValueModel *>(model);
+    DenseTimeValueModel *dtvm = qobject_cast<DenseTimeValueModel *>(model);
     if (dtvm) {
         std::cerr << "A dense time-value model (such as an audio file) has been loaded" << std::endl;
     }
 }
 

 }
 
 void
 MainWindow::mouseEnteredWidget()
 {
-    QWidget *w = dynamic_cast<QWidget *>(sender());
+    QWidget *w = qobject_cast<QWidget *>(sender());
     if (!w) return;
 
     if (w == m_fader) {
         contextHelpChanged(tr("Adjust the master playback level"));
     } else if (w == m_playSpeed) {