Adds possibility to remove section contents.

AdvancedDockingSystem/include/ads/ContainerWidget.h

@@ -54,6 +54,13 @@ public:
 	 */
 	SectionWidget* addSectionContent(const SectionContent::RefPtr& sc, SectionWidget* sw = NULL, DropArea area = CenterDropArea);
 
+	/*!
+	 * Completely removes the <em>sc</em> from this ContainerWidget.
+	 * This container will no longer hold a reference to the content.
+	 * The content can be safely deleted.
+	 */
+	bool removeSectionContent(const SectionContent::RefPtr& sc);
+
 	/*!
 	 * Shows the specific SectionContent in UI.
 	 * Independed of the current state, whether it is used inside a section or is floating.
@@ -101,6 +108,12 @@ public:
 	QRect outerBottomDropRect() const;
 	QRect outerLeftDropRect() const;
 
+	/*!
+	 * \brief contents
+	 * \return List of known SectionContent for this ContainerWidget.
+	 */
+	QList<SectionContent::RefPtr> contents() const;
+
 private:
 	//
 	// Internal Stuff Begins Here

AdvancedDockingSystem/include/ads/SectionContent.h

@@ -57,6 +57,9 @@ private:
 	// Optional attributes
 	QString _title;
 
+	/* Note: This method could be a problem in static build environment
+	 * since it may begin with 0 for every module which uses ADS.
+	 */
 	static int GetNextUid();
 };