Remove DockComponentsFactory singleton. Allow Factory to be per-dock-manager customizable

demo/MainWindow.cpp

@@ -471,12 +471,12 @@ void MainWindowPrivate::createContent()
 	appendFeaturStringToWindowTitle(FileSystemWidget);
 
 	// Test custom factory - we inject a help button into the title bar
-	ads::CDockComponentsFactory::setFactory(new CCustomComponentsFactory());
+    DockManager->setComponentsFactory(new CCustomComponentsFactory());
 	auto TopDockArea = DockManager->addDockWidget(ads::TopDockWidgetArea, FileSystemWidget);
 	// Uncomment the next line if you would like to test the
 	// HideSingleWidgetTitleBar functionality
 	// TopDockArea->setDockAreaFlag(ads::CDockAreaWidget::HideSingleWidgetTitleBar, true);
-	ads::CDockComponentsFactory::resetDefaultFactory();
+	DockManager->setComponentsFactory(ads::CDockComponentsFactory::defaultFactory());
 
 	// We create a calendar widget and clear all flags to prevent the dock area
 	// from closing

src/AutoHideDockContainer.cpp

@@ -109,6 +109,7 @@ int resizeHandleLayoutPosition(SideBarLocation Area)
  */
 struct AutoHideDockContainerPrivate
 {
+    CDockManager *DockManager;
     CAutoHideDockContainer* _this;
 	CDockAreaWidget* DockArea{nullptr};
 	CDockWidget* DockWidget{nullptr};
@@ -122,7 +123,11 @@ struct AutoHideDockContainerPrivate
 	/**
 	 * Private data constructor
 	 */
-	AutoHideDockContainerPrivate(CAutoHideDockContainer *_public);
+	AutoHideDockContainerPrivate(CDockManager *manager, CAutoHideDockContainer *_public);
+
+    QSharedPointer<ads::CDockComponentsFactory> componentsFactory() const {
+        return DockManager->componentsFactory();
+    }
 
 	/**
 	 * Convenience function to get a dock widget area
@@ -178,8 +183,9 @@ struct AutoHideDockContainerPrivate
 
 //============================================================================
 AutoHideDockContainerPrivate::AutoHideDockContainerPrivate(
+    CDockManager *manager,
     CAutoHideDockContainer *_public) :
-	_this(_public)
+	DockManager(manager), _this(_public)
 {
 
 }
@@ -195,11 +201,11 @@ CDockContainerWidget* CAutoHideDockContainer::dockContainer() const
 //============================================================================
 CAutoHideDockContainer::CAutoHideDockContainer(CDockWidget* DockWidget, SideBarLocation area, CDockContainerWidget* parent) :
 	Super(parent),
-    d(new AutoHideDockContainerPrivate(this))
+    d(new AutoHideDockContainerPrivate(DockWidget->dockManager(), this))
 {
 	hide(); // auto hide dock container is initially always hidden
 	d->SideTabBarArea = area;
-	d->SideTab = componentsFactory()->createDockWidgetSideTab(nullptr);
+	d->SideTab = d->componentsFactory()->createDockWidgetSideTab(nullptr);
 	connect(d->SideTab, &CAutoHideTab::pressed, this, &CAutoHideDockContainer::toggleCollapseState);
 	d->DockArea = new CDockAreaWidget(DockWidget->dockManager(), parent);
 	d->DockArea->setObjectName("autoHideDockArea");

src/DockAreaTitleBar.cpp

@@ -66,6 +66,7 @@ namespace ads
  */
 struct DockAreaTitleBarPrivate
 {
+    CDockManager *DockManager;
 	CDockAreaTitleBar* _this;
 	QPointer<CTitleBarButton> TabsMenuButton;
 	QPointer<CTitleBarButton> AutoHideButton;
@@ -88,7 +89,11 @@ struct DockAreaTitleBarPrivate
 	/**
 	 * Private data constructor
 	 */
-	DockAreaTitleBarPrivate(CDockAreaTitleBar* _public);
+	DockAreaTitleBarPrivate(CDockManager *manager, CDockAreaTitleBar* _public);
+
+    QSharedPointer<ads::CDockComponentsFactory> componentsFactory() const {
+        return DockManager->componentsFactory();
+    }
 
 	/**
 	 * Creates the title bar close and menu buttons
@@ -165,8 +170,8 @@ struct DockAreaTitleBarPrivate
 };// struct DockAreaTitleBarPrivate
 
 //============================================================================
-DockAreaTitleBarPrivate::DockAreaTitleBarPrivate(CDockAreaTitleBar* _public) :
-	_this(_public)
+DockAreaTitleBarPrivate::DockAreaTitleBarPrivate(CDockManager *manager, CDockAreaTitleBar* _public) :
+	DockManager(manager), _this(_public)
 {
 
 }
@@ -331,7 +336,7 @@ void DockAreaTitleBarPrivate::startFloating(const QPoint& Offset)
 //============================================================================
 CDockAreaTitleBar::CDockAreaTitleBar(CDockAreaWidget* parent) :
 	QFrame(parent),
-	d(new DockAreaTitleBarPrivate(this))
+	d(new DockAreaTitleBarPrivate(parent->dockManager(), this))
 {
 	d->DockArea = parent;
 

src/DockAreaWidget.cpp

@@ -264,6 +264,10 @@ struct DockAreaWidgetPrivate
 	QSize MinSizeHint;
 	CDockAreaWidget::DockAreaFlags Flags{CDockAreaWidget::DefaultFlags};
 
+    QSharedPointer<ads::CDockComponentsFactory> componentsFactory() const {
+        return DockManager->componentsFactory();
+    }
+
 	/**
 	 * Private data constructor
 	 */
@@ -371,10 +375,10 @@ void DockAreaWidgetPrivate::updateTitleBarButtonStates()
 
 	if (_this->isAutoHide())
 	{
-		if (CDockManager::testAutoHideConfigFlag(CDockManager::AutoHideHasCloseButton))
-        {
+		if (CDockManager::testAutoHideConfigFlag(CDockManager::AutoHideHasCloseButton))
+        {
 			TitleBar->button(TitleBarButtonClose)->setEnabled(
-				_this->features().testFlag(CDockWidget::DockWidgetClosable));
+				_this->features().testFlag(CDockWidget::DockWidgetClosable));
         }
 	}
 	else

src/DockComponentsFactory.cpp

@@ -21,7 +21,8 @@
 
 namespace ads
 {
-static std::unique_ptr<CDockComponentsFactory> DefaultFactory(new CDockComponentsFactory());
+
+static QSharedPointer<ads::CDockComponentsFactory> DefaultFactory;
 
 
 //============================================================================
@@ -50,26 +51,15 @@ CDockAreaTitleBar* CDockComponentsFactory::createDockAreaTitleBar(CDockAreaWidge
 	return new CDockAreaTitleBar(DockArea);
 }
 
-
-//============================================================================
-const CDockComponentsFactory* CDockComponentsFactory::factory()
+QSharedPointer<ads::CDockComponentsFactory>
+    CDockComponentsFactory::defaultFactory()
 {
-	return DefaultFactory.get();
+    if (!DefaultFactory) {
+        DefaultFactory.reset(new CDockComponentsFactory());
+    }
+    return DefaultFactory;
 }
 
-
-//============================================================================
-void CDockComponentsFactory::setFactory(CDockComponentsFactory* Factory)
-{
-	DefaultFactory.reset(Factory);
-}
-
-
-//============================================================================
-void CDockComponentsFactory::resetDefaultFactory()
-{
-	DefaultFactory.reset(new CDockComponentsFactory());
-}
 } // namespace ads
 
 //---------------------------------------------------------------------------

src/DockComponentsFactory.h

@@ -65,32 +65,9 @@ public:
 	 */
 	virtual CDockAreaTitleBar* createDockAreaTitleBar(CDockAreaWidget* DockArea) const;
 
-	/**
-	 * Returns the default components factory
-	 */
-	static const CDockComponentsFactory* factory();
-
-	/**
-	 * Sets a new default factory for creation of GUI elements.
-	 * This function takes ownership of the given Factory.
-	 */
-	static void setFactory(CDockComponentsFactory* Factory);
-
-	/**
-	 * Resets the current factory to the
-	 */
-	static void resetDefaultFactory();
+    static QSharedPointer<ads::CDockComponentsFactory> defaultFactory();
 };
 
-
-/**
- * Convenience function to ease factory instance access
- */
-inline const CDockComponentsFactory* componentsFactory()
-{
-	return CDockComponentsFactory::factory();
-}
-
 } // namespace ads
 
 //---------------------------------------------------------------------------

src/DockManager.cpp

@@ -31,6 +31,7 @@
 #include <AutoHideDockContainer.h>
 #include "DockWidgetTab.h"
 #include "DockManager.h"
+#include "DockComponentsFactory.h"
 
 #include <algorithm>
 #include <iostream>
@@ -124,6 +125,8 @@ struct DockManagerPrivate
 	QSize ToolBarIconSizeFloating = QSize(24, 24);
 	CDockWidget::DockWidgetFeatures LockedDockWidgetFeatures;
 
+    QSharedPointer<ads::CDockComponentsFactory> componentFactory {ads::CDockComponentsFactory::defaultFactory()};
+
 	/**
 	 * Private data constructor
 	 */
@@ -190,7 +193,6 @@ struct DockManagerPrivate
 DockManagerPrivate::DockManagerPrivate(CDockManager* _public) :
 	_this(_public)
 {
-
 }
 
 
@@ -579,6 +581,21 @@ CDockManager::~CDockManager()
 	delete d;
 }
 
+ QSharedPointer<ads::CDockComponentsFactory> CDockManager::componentsFactory() const
+{
+    return d->componentFactory;
+}
+
+void CDockManager::setComponentsFactory(ads::CDockComponentsFactory* factory)
+{
+    d->componentFactory = QSharedPointer<ads::CDockComponentsFactory>(factory);
+}
+
+void CDockManager::setComponentsFactory(QSharedPointer<ads::CDockComponentsFactory> factory)
+{
+    d->componentFactory = factory;
+}
+
 //============================================================================
 #if defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)
 bool CDockManager::eventFilter(QObject *obj, QEvent *e)

src/DockManager.h

@@ -277,6 +277,12 @@ public:
 	 */
 	virtual ~CDockManager() override;
 
+    QSharedPointer<ads::CDockComponentsFactory> componentsFactory() const;
+
+    void setComponentsFactory(ads::CDockComponentsFactory *);
+
+    void setComponentsFactory(QSharedPointer<ads::CDockComponentsFactory>);
+
 	/**
 	 * This function returns the global configuration flags
 	 */

src/DockWidget.cpp

@@ -80,7 +80,7 @@ struct DockWidgetPrivate
 	QWidget* Widget = nullptr;
 	CDockWidgetTab* TabWidget = nullptr;
 	CDockWidget::DockWidgetFeatures Features = CDockWidget::DefaultDockWidgetFeatures;
-	QPointer<CDockManager> DockManager;
+	QPointer<CDockManager> DockManager {nullptr};
 	QPointer<CDockAreaWidget> DockArea;
 	QAction* ToggleViewAction = nullptr;
 	bool Closed = false;
@@ -357,9 +357,9 @@ void DockWidgetPrivate::setToolBarStyleFromDockManager()
 
 
 //============================================================================
-CDockWidget::CDockWidget(const QString &title, QWidget *parent) :
-	QFrame(parent),
-	d(new DockWidgetPrivate(this))
+CDockWidget::CDockWidget(CDockManager* manager, const QString& title,
+                         QWidget* parent)
+: QFrame(parent), d(new DockWidgetPrivate(this))
 {
 	d->Layout = new QBoxLayout(QBoxLayout::TopToBottom);
 	d->Layout->setContentsMargins(0, 0, 0, 0);
@@ -368,7 +368,8 @@ CDockWidget::CDockWidget(const QString &title, QWidget *parent) :
 	setWindowTitle(title);
 	setObjectName(title);
 
-	d->TabWidget = componentsFactory()->createDockWidgetTab(this);
+    auto factory = manager ? manager->componentsFactory() : CDockComponentsFactory::defaultFactory();
+	d->TabWidget = factory->createDockWidgetTab(this);
 
 	d->ToggleViewAction = new QAction(title, this);
 	d->ToggleViewAction->setCheckable(true);
@@ -382,6 +383,10 @@ CDockWidget::CDockWidget(const QString &title, QWidget *parent) :
 	}
 }
 
+CDockWidget::CDockWidget(const QString &title, QWidget *parent) :
+      CDockWidget(nullptr, title, parent)
+{}
+
 //============================================================================
 CDockWidget::~CDockWidget()
 {

src/DockWidget.h

@@ -257,7 +257,9 @@ public:
      * by calling setObjectName() after construction.
      * Use the layoutFlags to configure the layout of the dock widget.
      */
-    CDockWidget(const QString &title, QWidget* parent = nullptr);
+    explicit CDockWidget(const QString &title, QWidget* parent = nullptr);
+
+    CDockWidget(CDockManager *manager, const QString &title, QWidget* parent = nullptr);
 
     /**
      * Virtual Destructor