Some changes for debugging visibility changed stuff

Author: githubuser0xFFFF

src/DockAreaWidget.cpp

@@ -546,17 +546,19 @@ void CDockAreaWidget::internalSetCurrentDockWidget(CDockWidget* DockWidget)
 void CDockAreaWidget::setCurrentIndex(int index)
 {
 	auto TabBar = d->tabBar();
-	/*if (TabBar->currentIndex() == index)
-	{
-		return;
-	}*/
-
 	if (index < 0 || index > (TabBar->count() - 1))
 	{
 		qWarning() << Q_FUNC_INFO << "Invalid index" << index;
 		return;
     }
 
+	auto cw = d->ContentsLayout->currentWidget();
+	auto nw = d->ContentsLayout->widget(index);
+	if (cw == nw && !nw->isHidden())
+	{
+		return;
+	}
+
     emit currentChanging(index);
     TabBar->setCurrentIndex(index);
 	d->ContentsLayout->setCurrentIndex(index);

src/DockWidget.cpp

@@ -134,8 +134,8 @@ void DockWidgetPrivate::showDockWidget()
 	}
 	else
 	{
-		DockArea->toggleView(true);
 		DockArea->setCurrentDockWidget(_this);
+		DockArea->toggleView(true);
 		TabWidget->show();
 		QSplitter* Splitter = internal::findParent<QSplitter*>(DockArea);
 		while (Splitter && !Splitter->isVisible())
@@ -525,20 +525,14 @@ bool CDockWidget::event(QEvent *e)
 	switch (e->type())
 	{
 	case QEvent::Hide:
+		std::cout << this->objectName().toStdString() << " visible: " << isVisible()
+			<< " hidden: " << isHidden() << " visibleTo: " << isVisibleTo(d->DockManager) << std::endl;
 		emit visibilityChanged(false);
 		break;
 
 	case QEvent::Show:
 		{
 			QPoint parentTopLeft(0, 0);
-			if (isWindow())
-			{
-				if (const QWindow *window = windowHandle())
-					parentTopLeft = window->screen()->availableVirtualGeometry().topLeft();
-				else
-					parentTopLeft = QGuiApplication::primaryScreen()->availableVirtualGeometry().topLeft();
-				std::cout << "QEvent::Show isWindow()" << std::endl;
-			}
 			emit visibilityChanged(geometry().right() >= parentTopLeft.x() && geometry().bottom() >= parentTopLeft.y());
         }
         break;