Serializes and deserializes FloatingWidgets.

AdvancedDockingSystem/include/ads/ContainerWidget.h

@@ -84,12 +84,14 @@ private:
 	// Internal Stuff Begins Here
 	//
 
+	SectionWidget* newSectionWidget();
 	SectionWidget* dropContent(const InternalContentData& data, SectionWidget* targetSection, DropArea area, bool autoActive = true);
 	void addSection(SectionWidget* section);
 	SectionWidget* sectionAt(const QPoint& pos) const;
 	SectionWidget* dropContentOuterHelper(QLayout* l, const InternalContentData& data, Qt::Orientation orientation, bool append);
 	void saveGeometryWalk(QDataStream& out, QWidget* widget) const;
-	bool restoreGeometryWalk(QDataStream& in, QSplitter* currentSplitter = NULL);
+	bool restoreFloatingWidgets(QDataStream& in, QList<FloatingWidget*>& floatings);
+	bool restoreSectionWidgets(QDataStream& in, QSplitter* currentSplitter, QList<SectionWidget*>& sections);
 	bool takeContent(const SectionContent::RefPtr& sc, InternalContentData& data);
 
 private slots:
@@ -99,17 +101,16 @@ signals:
 	void orientationChanged();
 
 private:
-	// Existing sections.
+	// Sections of this container
-	// SectionWidgets are always visible.
 	QList<SectionWidget*> _sections;
 
-	// All currently active Floatingwidgets.
+	//Floatings of this container
-	QList<FloatingWidget*> _floatingWidgets;
+	QList<FloatingWidget*> _floatings;
 
 	// Layout stuff
 	QGridLayout* _mainLayout;
 	Qt::Orientation _orientation;
-	QPointer<QSplitter> _splitter;
+	QPointer<QSplitter> _splitter; // $mfreiholz: I'd like to remove this variable entirely.
 };
 
 ADS_NAMESPACE_END

AdvancedDockingSystem/include/ads/SectionWidget.h

@@ -31,6 +31,7 @@ public:
 	virtual ~SectionWidget();
 
 	int uid() const;
+	ContainerWidget* containerWidget() const;
 
 	QRect titleAreaGeometry() const;
 	QRect contentAreaGeometry() const;
@@ -71,6 +72,7 @@ private:
 
 	static int NextUid;
 	static QHash<int, SectionWidget*> LookupMap;
+	static QHash<ContainerWidget*, QHash<int, SectionWidget*> > LookupMapByContainer;
 };
 
 ADS_NAMESPACE_END

AdvancedDockingSystem/src/ContainerWidget.cpp

@@ -57,7 +57,7 @@ SectionWidget* ContainerWidget::addSectionContent(const SectionContent::RefPtr&
 	{
 		if (_sections.isEmpty())
 		{	// Create default section
-			sw = new SectionWidget(this);
+			sw = newSectionWidget();
 			addSection(sw);
 		}
 		else if (area == CenterDropArea)
@@ -98,13 +98,13 @@ QMenu* ContainerWidget::createContextMenu() const
 	}
 
 	// Contents of FloatingWidgets
-	if (_floatingWidgets.size())
+	if (_floatings.size())
 	{
 		if (m->actions().size())
 			m->addSeparator();
-		for (int i = 0; i < _floatingWidgets.size(); ++i)
+		for (int i = 0; i < _floatings.size(); ++i)
 		{
-			FloatingWidget* fw = _floatingWidgets.at(i);
+			FloatingWidget* fw = _floatings.at(i);
 			SectionContent::RefPtr c = fw->content();
 			QAction* a = m->addAction(QIcon(), c->uniqueName());
 			a->setProperty("uid", c->uid());
@@ -131,10 +131,10 @@ QByteArray ContainerWidget::saveState() const
 	out << (quint32) 1; // Version
 
 	// Save state of floating contents
-	out << _floatingWidgets.count();
+	out << _floatings.count();
-	for (int i = 0; i < _floatingWidgets.count(); ++i)
+	for (int i = 0; i < _floatings.count(); ++i)
 	{
-		FloatingWidget* fw = _floatingWidgets.at(i);
+		FloatingWidget* fw = _floatings.at(i);
 		out << fw->content()->uniqueName();
 		out << fw->saveGeometry();
 	}
@@ -167,51 +167,37 @@ bool ContainerWidget::restoreState(const QByteArray& data)
 	if (version != 1)
 		return false;
 
-	QList<FloatingWidget*> oldFloatings = _floatingWidgets;
+	QList<FloatingWidget*> oldFloatings = _floatings;
 	QList<SectionWidget*> oldSections = _sections;
 
 	// Restore floating widgets
-	int fwCount = 0;
+	QList<FloatingWidget*> floatings;
-	in >> fwCount;
+	bool success = restoreFloatingWidgets(in, floatings);
-	if (fwCount > 0)
+	if (!success)
 	{
-		for (int i = 0; i < fwCount; ++i)
+		qWarning() << "Could not restore floatings completely";
-		{
-			QString uname;
-			in >> uname;
-			QByteArray geom;
-			in >> geom;
-
-			SectionContent::RefPtr sc = SectionContent::LookupMapByName.value(uname).toStrongRef();
-			if (!sc)
-			{
-				qWarning() << "Can not find floating widget section-content" << uname;
-				continue;
 	}
-			InternalContentData data;
-			if (!this->takeContent(sc, data))
-				continue;
-
-			FloatingWidget* fw = new FloatingWidget(this, sc, data.titleWidget, data.contentWidget, this);
-			fw->restoreGeometry(geom);
-		}
-	}
-
-	_sections.clear();
 
 	// Restore splitters and section widgets
-	const bool success = restoreGeometryWalk(in, NULL);
+	QList<SectionWidget*> sections;
-	if (success)
+	success = restoreSectionWidgets(in, NULL, sections);
+	if (!success)
 	{
+		qWarning() << "Could not restore sections completely";
+	}
+
+	_floatings = floatings;
+	_sections = sections;
+
+	// TODO Handle contents which are not mentioned by deserialized data
+	// ...
+
+	// Delete old objects
 	QLayoutItem* old = _mainLayout->takeAt(0);
 	_mainLayout->addWidget(_splitter);
 	delete old;
 	qDeleteAll(oldFloatings);
 	qDeleteAll(oldSections);
-	}
-
-	// TODO Handle contents which are not mentioned by deserialized data
-	// ...
 
 	return success;
 }
@@ -248,6 +234,13 @@ QRect ContainerWidget::outerLeftDropRect() const
 // PRIVATE API BEGINS HERE
 ///////////////////////////////////////////////////////////////////////
 
+SectionWidget* ContainerWidget::newSectionWidget()
+{
+	SectionWidget* sw = new SectionWidget(this);
+	_sections.append(sw);
+	return sw;
+}
+
 SectionWidget* ContainerWidget::dropContent(const InternalContentData& data, SectionWidget* targetSection, DropArea area, bool autoActive)
 {
 	SectionWidget* ret = NULL;
@@ -282,7 +275,7 @@ SectionWidget* ContainerWidget::dropContent(const InternalContentData& data, Sec
 	{
 	case TopDropArea:
 	{
-		SectionWidget* sw = new SectionWidget(this);
+		SectionWidget* sw = newSectionWidget();
 		sw->addContent(data, true);
 		if (targetSectionSplitter->orientation() == Qt::Vertical)
 		{
@@ -302,7 +295,7 @@ SectionWidget* ContainerWidget::dropContent(const InternalContentData& data, Sec
 	}
 	case RightDropArea:
 	{
-		SectionWidget* sw = new SectionWidget(this);
+		SectionWidget* sw = newSectionWidget();
 		sw->addContent(data, true);
 		if (targetSectionSplitter->orientation() == Qt::Horizontal)
 		{
@@ -322,7 +315,7 @@ SectionWidget* ContainerWidget::dropContent(const InternalContentData& data, Sec
 	}
 	case BottomDropArea:
 	{
-		SectionWidget* sw = new SectionWidget(this);
+		SectionWidget* sw = newSectionWidget();
 		sw->addContent(data, true);
 		if (targetSectionSplitter->orientation() == Qt::Vertical)
 		{
@@ -342,7 +335,7 @@ SectionWidget* ContainerWidget::dropContent(const InternalContentData& data, Sec
 	}
 	case LeftDropArea:
 	{
-		SectionWidget* sw = new SectionWidget(this);
+		SectionWidget* sw = newSectionWidget();
 		sw->addContent(data, true);
 		if (targetSectionSplitter->orientation() == Qt::Horizontal)
 		{
@@ -404,11 +397,10 @@ SectionWidget* ContainerWidget::sectionAt(const QPoint& pos) const
 
 SectionWidget* ContainerWidget::dropContentOuterHelper(QLayout* l, const InternalContentData& data, Qt::Orientation orientation, bool append)
 {
-	ContainerWidget* cw = this;
+	SectionWidget* sw = newSectionWidget();
-	SectionWidget* sw = new SectionWidget(cw);
 	sw->addContent(data, true);
 
-	QSplitter* oldsp = findImmediateSplitter(cw);
+	QSplitter* oldsp = findImmediateSplitter(this);
 	if (oldsp->orientation() == orientation
 			|| oldsp->count() == 1)
 	{
@@ -490,7 +482,42 @@ void ContainerWidget::saveGeometryWalk(QDataStream& out, QWidget* widget) const
 	}
 }
 
-bool ContainerWidget::restoreGeometryWalk(QDataStream& in, QSplitter* currentSplitter)
+bool ContainerWidget::restoreFloatingWidgets(QDataStream& in, QList<FloatingWidget*>& floatings)
+{
+	int fwCount = 0;
+	in >> fwCount;
+	if (fwCount <= 0)
+		return true;
+
+	for (int i = 0; i < fwCount; ++i)
+	{
+		QString uname;
+		in >> uname;
+		QByteArray geom;
+		in >> geom;
+		qDebug() << "Restore FloatingWidget" << uname << geom;
+
+		const SectionContent::RefPtr sc = SectionContent::LookupMapByName.value(uname).toStrongRef();
+		if (!sc)
+		{
+			qWarning() << "Can not find SectionContent:" << uname;
+			continue;
+		}
+
+		InternalContentData data;
+		if (!this->takeContent(sc, data))
+			continue;
+
+		FloatingWidget* fw = new FloatingWidget(this, sc, data.titleWidget, data.contentWidget, this);
+		fw->restoreGeometry(geom);
+		fw->setVisible(true);
+		data.titleWidget->_fw = fw; // $mfreiholz: Don't look at it :-< It's more than ugly...
+		floatings.append(fw);
+	}
+	return true;
+}
+
+bool ContainerWidget::restoreSectionWidgets(QDataStream& in, QSplitter* currentSplitter, QList<SectionWidget*>& sections)
 {
 	int type;
 	in >> type;
@@ -505,7 +532,7 @@ bool ContainerWidget::restoreGeometryWalk(QDataStream& in, QSplitter* currentSpl
 		QSplitter* sp = newSplitter((Qt::Orientation) orientation);
 		for (int i = 0; i < count; ++i)
 		{
-			if (!restoreGeometryWalk(in, sp))
+			if (!restoreSectionWidgets(in, sp, sections))
 				return false;
 		}
 		sp->setSizes(sizes);
@@ -532,12 +559,13 @@ bool ContainerWidget::restoreGeometryWalk(QDataStream& in, QSplitter* currentSpl
 		{
 			QString name;
 			in >> name;
-			SectionContent::RefPtr sc = SectionContent::LookupMapByName.value(name).toStrongRef();
+			const SectionContent::RefPtr sc = SectionContent::LookupMapByName.value(name).toStrongRef();
 			if (sc)
 				sw->addContent(sc);
 		}
 		sw->setCurrentIndex(currentIndex);
 		currentSplitter->addWidget(sw);
+		sections.append(sw);
 	}
 	// Unknown
 	else
@@ -558,10 +586,10 @@ bool ContainerWidget::takeContent(const SectionContent::RefPtr& sc, InternalCont
 	}
 
 	// Search in floating widgets
-	for (int i = 0; i < _floatingWidgets.count() && !found; ++i)
+	for (int i = 0; i < _floatings.count() && !found; ++i)
 	{
-		found = _floatingWidgets.at(i)->content()->uid() == sc->uid();
+		found = _floatings.at(i)->content()->uid() == sc->uid();
-		_floatingWidgets.at(i)->takeContent(data);
+		_floatings.at(i)->takeContent(data);
 	}
 
 	return found;

AdvancedDockingSystem/src/FloatingWidget.cpp

@@ -31,13 +31,7 @@ FloatingWidget::FloatingWidget(ContainerWidget* container, SectionContent::RefPt
 	_titleLayout = new QBoxLayout(QBoxLayout::LeftToRight);
 	_titleLayout->addWidget(titleWidget, 1);
 	l->addLayout(_titleLayout, 0);
-
+	titleWidget->setActiveTab(false);
-//	auto maximizeButton = new QPushButton();
-//	maximizeButton->setObjectName("maximizeButton");
-//	maximizeButton->setIcon(style()->standardIcon(QStyle::SP_TitleBarMaxButton));
-//	maximizeButton->setToolTip(tr("Maximize"));
-//	maximizeButton->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
-//	_titleLayout->addWidget(maximizeButton);
 
 	QPushButton* closeButton = new QPushButton();
 	closeButton->setObjectName("closeButton");
@@ -53,13 +47,13 @@ FloatingWidget::FloatingWidget(ContainerWidget* container, SectionContent::RefPt
 	l->addWidget(contentWidget, 1);
 	contentWidget->show();
 
-	_container->_floatingWidgets.append(this);
+//	_container->_floatingWidgets.append(this);
 }
 
 FloatingWidget::~FloatingWidget()
 {
 	qDebug() << Q_FUNC_INFO;
-	_container->_floatingWidgets.removeAll(this);
+	_container->_floatings.removeAll(this); // Note: I don't like this here, but we have to remove it from list...
 }
 
 bool FloatingWidget::takeContent(InternalContentData& data)

AdvancedDockingSystem/src/SectionTitleWidget.cpp

@@ -237,7 +237,8 @@ void SectionTitleWidget::mouseMoveEvent(QMouseEvent* ev)
 
 		_fw = new FloatingWidget(cw, data.content, data.titleWidget, data.contentWidget, cw);
 		_fw->resize(section->size());
-		setActiveTab(false);
+		cw->_floatings.append(_fw); // Note: I don't like this...
+		//setActiveTab(false);
 
 		const QPoint moveToPos = ev->globalPos() - (_dragStartPos + QPoint(ADS_WINDOW_FRAME_BORDER_WIDTH, ADS_WINDOW_FRAME_BORDER_WIDTH));
 		_fw->move(moveToPos);

AdvancedDockingSystem/src/SectionWidget.cpp

@@ -26,6 +26,7 @@ ADS_NAMESPACE_BEGIN
 
 int SectionWidget::NextUid = 1;
 QHash<int, SectionWidget*> SectionWidget::LookupMap;
+QHash<ContainerWidget*, QHash<int, SectionWidget*> > SectionWidget::LookupMapByContainer;
 
 SectionWidget::SectionWidget(ContainerWidget* parent) :
 	QFrame(parent),
@@ -56,14 +57,16 @@ SectionWidget::SectionWidget(ContainerWidget* parent) :
 #endif
 
 	LookupMap.insert(_uid, this);
-	_container->_sections.append(this);
+	LookupMapByContainer[_container].insert(_uid, this);
+//	_container->_sections.append(this);
 }
 
 SectionWidget::~SectionWidget()
 {
 	qDebug() << Q_FUNC_INFO;
 	LookupMap.remove(_uid);
-	_container->_sections.removeAll(this);
+	LookupMapByContainer[_container].remove(_uid);
+	_container->_sections.removeAll(this); // Note: I don't like this here, but we have to remove it from list...
 
 	// Delete empty QSplitter.
 	QSplitter* splitter = findParentSplitter(this);
@@ -79,6 +82,11 @@ int SectionWidget::uid() const
 	return _uid;
 }
 
+ContainerWidget* SectionWidget::containerWidget() const
+{
+	return _container;
+}
+
 QRect SectionWidget::titleAreaGeometry() const
 {
 	return _tabsLayout->geometry();

README.md

@@ -23,8 +23,10 @@ Open the `build.pro` with QtCreator and start the build, that's it.
 Sorted by priority
 - **[DONE]** Improve FloatingWidget (Remove maximize button, only support close-button which hides the widget)
 - **[DONE]** Serialize and Deserialize state/size/positions of dockings
-- **[90%]** Make compatible with Qt 4.5 (\*ROFL!\*)
+- **[DONE]** Make compatible with Qt 4.5 (\*ROFL!\*)
-- Save and restore FloatingWidget states
+- **[DONE]** Save and restore FloatingWidget states
+- Restore: Manage new or deleted SectionContent objects, which are not available
+- Show close button on right corner of SectionWidget
 - Drop indicator images should be fully visible over the DropOverlay rectangle
 - Pin contents: Pins a content and its title widget to the edge and opens on click/hover as long as it has focus