refactor: Renames member _splitAreas to _cross.

mod: removes ContainerWiget::set/Orientation() members. Obsolete since
everything is managed over drop areas.

AdvancedDockingSystem/include/ads/ContainerWidget.h

@@ -29,7 +29,6 @@ class InternalContentData;
 class ADS_EXPORT_API ContainerWidget : public QFrame
 {
 	Q_OBJECT
-	Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation NOTIFY orientationChanged)
 
 	friend class SectionContent;
 	friend class SectionWidget;
@@ -45,9 +44,6 @@ public:
 	// Public API
 	//
 
-	Qt::Orientation orientation() const;
-	void setOrientation(Qt::Orientation orientation);
-
 	/*!
 	 * Adds the section-content <em>sc</em> to this container-widget into the section-widget <em>sw</em>.
 	 * If <em>sw</em> is not NULL, the <em>area</em> is used to indicate how the content should be arranged.

AdvancedDockingSystem/include/ads/DropOverlay.h

@@ -12,8 +12,10 @@ class QGridLayout;
 ADS_NAMESPACE_BEGIN
 class DropOverlayCross;
 
-// DropOverlay paints a translucent rectangle over another widget.
-// It can also show different types of drop area indicators.
+/*!
+ * DropOverlay paints a translucent rectangle over another widget. The geometry
+ * of the rectangle is based on the mouse location.
+ */
 class DropOverlay : public QFrame
 {
 	Q_OBJECT
@@ -41,7 +43,7 @@ protected:
 
 private:
 	DropAreas _allowedAreas;
-	DropOverlayCross* _splitAreas;
+	DropOverlayCross* _cross;
 
 	bool _fullAreaDrop;
 	QPointer<QWidget> _target;
@@ -49,7 +51,7 @@ private:
 	DropArea _lastLocation;
 };
 
-// DropSplitAreas shows a cross with 5 different drop area possibilities.
+// DropOverlayCross shows a cross with 5 different drop area possibilities.
 class DropOverlayCross : public QWidget
 {
 	Q_OBJECT