Added FloatingWidgetDragStartEvent to hide AutoHideContainer if user drags floating widget

Author: Uwe

src/AutoHideDockContainer.cpp

@@ -471,7 +471,7 @@ void CAutoHideDockContainer::setSize(int Size)
 //============================================================================
 bool CAutoHideDockContainer::eventFilter(QObject* watched, QEvent* event)
 {
-	if (event->type() == QEvent::Resize)
+    if (event->type() == QEvent::Resize)
 	{
 		if (!d->ResizeHandle->isResizing())
 		{
@@ -539,6 +539,10 @@ bool CAutoHideDockContainer::eventFilter(QObject* watched, QEvent* event)
 			collapseView(true);
 		}
 	}
+    else if (event->type() == internal::FloatingWidgetDragStartEvent)
+    {
+        collapseView(true);
+    }
 
 	return Super::eventFilter(watched, event);
 }

src/FloatingDockContainer.cpp

@@ -406,7 +406,13 @@ struct FloatingDockContainerPrivate
 
 	void setState(eDragState StateId)
 	{
+        auto OldState = DraggingState;
 		DraggingState = StateId;
+        if (DraggingInactive == OldState && DraggingFloatingWidget == DraggingState)
+        {
+            qDebug() << "Start dragging floating widget " << internal::FloatingWidgetDragStartEvent;
+            qApp->postEvent(DockManager, new QEvent((QEvent::Type)internal::FloatingWidgetDragStartEvent));
+        }
 	}
 
 	void setWindowTitle(const QString &Text)
@@ -1281,12 +1287,13 @@ void CFloatingDockContainer::moveEvent(QMoveEvent *event)
 	Super::moveEvent(event);
 	if (!d->IsResizing && event->spontaneous() && s_mousePressed)
 	{
-		d->DraggingState = DraggingFloatingWidget;
+        d->setState(DraggingFloatingWidget);
 		d->updateDropOverlays(QCursor::pos());
 	}
 	d->IsResizing = false;
 }
 
+
 //============================================================================
 bool CFloatingDockContainer::event(QEvent *e)
 {

src/ads_globals.cpp

@@ -53,6 +53,7 @@ namespace internal
 #ifdef Q_OS_LINUX
 static QString _window_manager;
 static QHash<QString, xcb_atom_t> _xcb_atom_cache;
+const int FloatingWidgetDragStartEvent = QEvent::registerEventType();
 
 
 //============================================================================

src/ads_globals.h

@@ -151,6 +151,7 @@ static const bool RestoreTesting = true;
 static const bool Restore = false;
 static const char* const ClosedProperty = "close";
 static const char* const DirtyProperty = "dirty";
+extern const int FloatingWidgetDragStartEvent;
 
 #ifdef Q_OS_LINUX
 // Utils to directly communicate with the X server