Added signals for dock area added and removed

Author: Uwe Kindler

src/DockContainerWidget.cpp

@@ -81,16 +81,6 @@ struct DockContainerWidgetPrivate
 	 */
 	DockContainerWidgetPrivate(CDockContainerWidget* _public);
 
-	/**
-	 * Create a new dock area widget and adds it to the list of doc areas
-	 */
-	CDockAreaWidget* newDockArea()
-	{
-		auto DockAreaWidget = new CDockAreaWidget(DockManager, _this);
-		DockAreas.append(DockAreaWidget);
-		return DockAreaWidget;
-	}
-
 	/**
 	 * Adds dock widget to container and returns the dock area that contains
 	 * the inserted dock widget
@@ -289,6 +279,8 @@ void DockContainerWidgetPrivate::addDockAreasToList(const QList<CDockAreaWidget*
 	{
 		DockAreas.last()->updateDockArea();
 	}
+
+	emit _this->dockAreasAdded();
 }
 
 
@@ -348,6 +340,7 @@ void DockContainerWidgetPrivate::addDockArea(CDockAreaWidget* NewDockArea, DockW
 
 	DockAreas.append(NewDockArea);
 	NewDockArea->updateDockArea();
+	emit _this->dockAreasAdded();
 }
 
 
@@ -392,6 +385,7 @@ CDockAreaWidget* DockContainerWidgetPrivate::dockWidgetIntoDockArea(DockWidgetAr
 	}
 
 	DockAreas.append(NewDockArea);
+	emit _this->dockAreasAdded();
 	return NewDockArea;
 }
 
@@ -521,6 +515,7 @@ void CDockContainerWidget::removeDockArea(CDockAreaWidget* area)
 		d->Layout->replaceWidget(Splitter, widget);
 	}
 	delete Splitter;
+	emit dockAreasRemoved();
 }
 
 

src/DockContainerWidget.h

@@ -126,6 +126,19 @@ class CDockContainerWidget : public QFrame
 	 * This function returns true, if this container is in a floating widget
 	 */
 	bool isFloating() const;
+
+signals:
+	/**
+	 * This signal is emitted if one or multiple dock areas has been added to
+	 * the internal list of dock areas.
+	 * If multiple dock areas are inserted, this signal is emitted only once
+	 */
+	void dockAreasAdded();
+
+	/**
+	 * This signal is emitted if one or multiple dock areas has been removed
+	 */
+	void dockAreasRemoved();
 }; // class DockContainerWidget
 } // namespace ads
 //-----------------------------------------------------------------------------

src/DockWidget.cpp

@@ -35,6 +35,7 @@
 #include <QSplitter>
 #include <QStack>
 #include <QTextStream>
+#include <QPointer>
 
 #include <iostream>
 
@@ -61,7 +62,12 @@ struct DockWidgetPrivate
 	CDockManager* DockManager = nullptr;
 	CDockAreaWidget* DockArea = nullptr;
 	QAction* ToggleViewAction;
-	QString CapturedState;
+	struct CapturedState
+	{
+		QString DockTreePosition;
+		QRect GlobalGeometry;
+		QPointer<CDockContainerWidget> DockContainer;
+	}  CapturedState;
 
 	/**
 	 * Private data constructor
@@ -91,67 +97,60 @@ DockWidgetPrivate::DockWidgetPrivate(CDockWidget* _public) :
 //============================================================================
 void DockWidgetPrivate::capturedState()
 {
-	QString CapturedState;
-	QTextStream stream(&CapturedState);
-	stream << (_this->isFloating() ? "F " : "D ");
-	if (_this->isFloating())
+	QString DockTreePosition;
+	QTextStream stream(&DockTreePosition);
+
+	QPoint GlobalTopLeft = _this->mapToGlobal(_this->geometry().topLeft());
+	QRect Rect(GlobalTopLeft, _this->geometry().size());
+	CapturedState.GlobalGeometry = Rect;
+	CapturedState.DockContainer = _this->dockContainer();
+
+	QWidget* Widget = DockArea;
+	QSplitter* splitter = internal::findParent<QSplitter*>(Widget);
+	QStack<QString> SplitterData;
+	while (splitter)
 	{
-		CFloatingDockContainer* FloatingWidget = internal::findParent<CFloatingDockContainer*>(_this);
-		QRect Rect = FloatingWidget->geometry();
-		stream << Rect.left() << " " << Rect.top() << " " << Rect.width()
-			<< " " << Rect.height();
+		SplitterData.push(QString("%1%2")
+			.arg((splitter->orientation() == Qt::Horizontal) ? "H" : "V")
+			.arg(splitter->indexOf(Widget)));
+		Widget = splitter;
+		splitter = internal::findParent<QSplitter*>(Widget);
 	}
-	else
+
+	QString Separator;
+	while (!SplitterData.isEmpty())
 	{
-		QWidget* Widget = DockArea;
-		QSplitter* splitter = internal::findParent<QSplitter*>(Widget);
-		QStack<QString> SplitterData;
-		while (splitter)
-		{
-			SplitterData.push(QString("%1%2")
-				.arg((splitter->orientation() == Qt::Horizontal) ? "H" : "V")
-				.arg(splitter->indexOf(Widget)));
-			Widget = splitter;
-			splitter = internal::findParent<QSplitter*>(Widget);
-		}
-
-		QString Separator;
-		while (!SplitterData.isEmpty())
-		{
-			stream << Separator << SplitterData.pop();
-			Separator = " ";
-		}
+		stream << Separator << SplitterData.pop();
+		Separator = " ";
 	}
-	this->CapturedState = CapturedState;
-	std::cout << "SerializedPosition: " << CapturedState.toStdString() << std::endl;
+	this->CapturedState.DockTreePosition = DockTreePosition;
+	std::cout << "SerializedPosition: " << DockTreePosition.toStdString() << std::endl;
 }
 
 
 //============================================================================
 void DockWidgetPrivate::showDockWidget()
 {
-	QTextStream stream(&CapturedState);
-	QString DockedState;
-	stream >> DockedState;
-	if (DockedState == "F")
+	if (!CapturedState.DockContainer)
 	{
-		std::cout << "Restoring Floating Dock Widget" << std::endl;
-		QVector<int> v;
-		while (!stream.atEnd())
-		{
-			int Value;
-			stream >> Value;
-			v.append(Value);
-		}
-
-		if (v.count() == 4)
-		{
-			std::cout << "Rectangle Loaded" << std::endl;
-			QRect Rect(v[0], v[1], v[2], v[3]);
-			auto FloatingWidget = new CFloatingDockContainer(_this);
-			FloatingWidget->setGeometry(Rect);
-			FloatingWidget->show();
-		}
+		auto FloatingWidget = new CFloatingDockContainer(_this);
+		FloatingWidget->setGeometry(CapturedState.GlobalGeometry);
+		FloatingWidget->show();
+		return;
+	}
+
+	CDockContainerWidget* DockContainer = CapturedState.DockContainer.data();
+	QStringList DockTree = this->CapturedState.DockTreePosition.split(' ');
+	QSplitter* splitter = DockContainer->findChild<QSplitter*>(QString(), Qt::FindDirectChildrenOnly);
+
+	while (splitter)
+	{
+
+	}
+
+	for (const auto& TreeItem : DockTree)
+	{
+
 	}
 }
 

src/FloatingDockContainer.cpp

@@ -60,6 +60,7 @@ struct FloatingDockContainerPrivate
 	bool DraggingActive = false;
 	QPoint DragStartMousePosition;
 	CDockContainerWidget* DropContainer = nullptr;
+	CDockAreaWidget* SingleDockArea = nullptr;
 
 	/**
 	 * Private data constructor
@@ -179,6 +180,8 @@ CFloatingDockContainer::CFloatingDockContainer(CDockManager* DockManager) :
     setLayout(l);
 
     d->DockContainer = new CDockContainerWidget(DockManager, this);
+    connect(d->DockContainer, SIGNAL(dockAreasAdded()), this, SLOT(onDockAreasAddedOrRemoved()));
+    connect(d->DockContainer, SIGNAL(dockAreasRemoved()), this, SLOT(onDockAreasAddedOrRemoved()));
 	l->addWidget(d->DockContainer);
 	DockManager->registerFloatingWidget(this);
 
@@ -339,6 +342,38 @@ void CFloatingDockContainer::moveFloating()
 	const QPoint moveToPos = QCursor::pos() - d->DragStartMousePosition - QPoint(BorderSize, 0);
 	move(moveToPos);
 }
+
+
+//============================================================================
+void CFloatingDockContainer::onDockAreasAddedOrRemoved()
+{
+	if (d->DockContainer->dockAreaCount() == 1)
+	{
+		d->SingleDockArea = d->DockContainer->dockArea(0);
+		this->setWindowTitle(d->SingleDockArea->currentDockWidget()->windowTitle());
+		connect(d->SingleDockArea, SIGNAL(currentChanged(int)), this,
+			SLOT(onDockAreaCurrentChanged(int)));
+	}
+	else
+	{
+		if (d->SingleDockArea)
+		{
+			disconnect(d->SingleDockArea, SIGNAL(currentChanged(int)), this,
+				SLOT(onDockAreaCurrentChanged(int)));
+			d->SingleDockArea = nullptr;
+		}
+		this->setWindowTitle(qApp->applicationDisplayName());
+	}
+}
+
+
+//============================================================================
+void CFloatingDockContainer::onDockAreaCurrentChanged(int Index)
+{
+	this->setWindowTitle(d->SingleDockArea->currentDockWidget()->windowTitle());
+}
+
+
 } // namespace ads
 
 //---------------------------------------------------------------------------

src/FloatingDockContainer.h

@@ -50,6 +50,11 @@ class CFloatingDockContainer : public QWidget
 private:
 	FloatingDockContainerPrivate* d; ///< private data (pimpl)
 	friend class FloatingDockContainerPrivate;
+
+private slots:
+	void onDockAreasAddedOrRemoved();
+	void onDockAreaCurrentChanged(int Index);
+
 protected:
 	/**
 	 * Private constructor that is called from public constructors