Added dock manager function addDockWidgetFloating to add initial floating dock widgets

demo/MainWindow.cpp

@@ -57,6 +57,7 @@
 #include "DockManager.h"
 #include "DockWidget.h"
 #include "DockAreaWidget.h"
+#include "FloatingDockContainer.h"
 
 
 //============================================================================
@@ -226,8 +227,11 @@ void MainWindowPrivate::createContent()
 	auto BottomDockArea = DockManager->addDockWidget(ads::BottomDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), RighDockArea);
 	DockManager->addDockWidget(ads::RightDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), RighDockArea);
 	DockManager->addDockWidget(ads::CenterDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), BottomDockArea);
-    //DockManager->addDockWidget(ads::CenterDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), BottomDockArea);
+
-    //DockManager->addDockWidget(ads::CenterDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), BottomDockArea);
+	// Test creation of floating dock widgets
+    auto FloatingWidget = DockManager->addDockWidgetFloating(createFileSystemTreeDockWidget(ViewMenu));
+    FloatingWidget->move(QPoint(0,0));
+    DockManager->addDockWidgetFloating(createLongTextLabelDockWidget(ViewMenu));
 
 	for (auto DockWidget : DockManager->dockWidgetsMap())
 	{
@@ -309,6 +313,10 @@ CMainWindow::CMainWindow(QWidget *parent) :
 	// uncomment the following line if the tab close button should be
 	// a QToolButton instead of a QPushButton
 	// CDockManager::setConfigFlags(CDockManager::configFlags() | CDockManager::TabCloseButtonIsToolButton);
+	auto Flags = CDockManager::configFlags();
+	Flags.setFlag(CDockManager::XmlAutoFormattingEnabled, true);
+	Flags.setFlag(CDockManager::XmlCompressionEnabled, false);
+	CDockManager::setConfigFlags(Flags);
 
 	// uncomment the following line if you wand a fixed tab width that does
 	// not change if the visibility of the close button changes
@@ -328,7 +336,7 @@ CMainWindow::CMainWindow(QWidget *parent) :
 	// Default window geometry
     resize(1280, 720);
 
-	d->restoreState();
+	//d->restoreState();
 	d->restorePerspectives();
 }
 

src/DockAreaWidget.h

@@ -63,6 +63,7 @@ private:
 	friend struct DockWidgetPrivate;
 	friend class CDockWidget;
 	friend struct DockManagerPrivate;
+	friend class CDockManager;
 
 private slots:
 	void onTabCloseRequested(int Index);

src/DockManager.cpp

@@ -76,6 +76,7 @@ struct DockManagerPrivate
 	QMenu* ViewMenu;
 	CDockManager::eViewMenuInsertionOrder MenuInsertionOrder = CDockManager::MenuAlphabeticallySorted;
 	bool RestoringState = false;
+	QVector<CFloatingDockContainer*> UninitializedFloatingWidgets;
 
 	/**
 	 * Private data constructor
@@ -560,6 +561,48 @@ bool CDockManager::restoreState(const QByteArray &state, int version)
 }
 
 
+//============================================================================
+CFloatingDockContainer* CDockManager::addDockWidgetFloating(CDockWidget* Dockwidget)
+{
+	d->DockWidgetsMap.insert(Dockwidget->objectName(), Dockwidget);
+	CDockAreaWidget* OldDockArea = Dockwidget->dockAreaWidget();
+	if (OldDockArea)
+	{
+		OldDockArea->removeDockWidget(Dockwidget);
+	}
+
+	Dockwidget->setDockManager(this);
+	CFloatingDockContainer* FloatingWidget = new CFloatingDockContainer(Dockwidget);
+	FloatingWidget->resize(Dockwidget->size());
+	if (isVisible())
+	{
+		FloatingWidget->show();
+	}
+	else
+	{
+		d->UninitializedFloatingWidgets.append(FloatingWidget);
+	}
+	return FloatingWidget;
+}
+
+
+//============================================================================
+void CDockManager::showEvent(QShowEvent *event)
+{
+	Super::showEvent(event);
+	if (d->UninitializedFloatingWidgets.empty())
+	{
+		return;
+	}
+
+	for (auto FloatingWidget : d->UninitializedFloatingWidgets)
+	{
+		FloatingWidget->show();
+	}
+	d->UninitializedFloatingWidgets.clear();
+}
+
+
 //============================================================================
 CDockAreaWidget* CDockManager::addDockWidget(DockWidgetArea area,
 	CDockWidget* Dockwidget, CDockAreaWidget* DockAreaWidget)

src/DockManager.h

@@ -111,7 +111,14 @@ protected:
 	 */
 	CDockOverlay* dockAreaOverlay() const;
 
+	/**
+	 * Show the floating widgets that has been created floating
+	 */
+	virtual void showEvent(QShowEvent *event) override;
+
 public:
+	using Super = CDockContainerWidget;
+
 	enum eViewMenuInsertionOrder
 	{
 		MenuSortedByInsertion,
@@ -206,6 +213,12 @@ public:
 	CDockAreaWidget* addDockWidgetTabToArea(CDockWidget* Dockwidget,
 		CDockAreaWidget* DockAreaWidget);
 
+	/**
+	 * Adds the given DockWidget floating and returns the created
+	 * CFloatingDockContainer instance.
+	 */
+	CFloatingDockContainer* addDockWidgetFloating(CDockWidget* Dockwidget);
+
 	/**
 	 * Searches for a registered doc widget with the given ObjectName
 	 * \return Return the found dock widget or nullptr if a dock widget with the