Add ability to customize the DockArea Title Bar and DockWidget Tab context menu

demo/MainWindow.cpp

@@ -75,18 +75,17 @@
 #endif
 #endif
 
-#include "DockManager.h"
-#include "DockWidget.h"
-#include "DockAreaWidget.h"
-#include "DockAreaTitleBar.h"
 #include "DockAreaTabBar.h"
-#include "FloatingDockContainer.h"
+#include "DockAreaTitleBar.h"
+#include "DockAreaWidget.h"
 #include "DockComponentsFactory.h"
-#include "StatusDialog.h"
+#include "DockManager.h"
 #include "DockSplitter.h"
+#include "DockWidget.h"
+#include "FloatingDockContainer.h"
 #include "ImageViewer.h"
-
-
+#include "MyDockAreaTitleBar.h"
+#include "StatusDialog.h"
 
 /**
  * Returns a random number from 0 to highest - 1
@@ -147,7 +146,7 @@ public:
 	using Super = ads::CDockComponentsFactory;
 	ads::CDockAreaTitleBar* createDockAreaTitleBar(ads::CDockAreaWidget* DockArea) const override
 	{
-		auto TitleBar = new ads::CDockAreaTitleBar(DockArea);
+		auto TitleBar = new MyDockAreaTitleBar(DockArea);
 		auto CustomButton = new QToolButton(DockArea);
 		CustomButton->setToolTip(QObject::tr("Help"));
 		CustomButton->setIcon(svgIcon(":/adsdemo/images/help_outline.svg"));

demo/MyDockAreaTitleBar.h

@@ -0,0 +1,34 @@
+//
+// Created by fuga on 08 nov 2024.
+//
+
+#ifndef QTADS_MYDOCKAREATITLEBAR_H
+#define QTADS_MYDOCKAREATITLEBAR_H
+
+#include <DockAreaTitleBar.h>
+
+class MyDockAreaTitleBar : public ads::CDockAreaTitleBar {
+public:
+    explicit MyDockAreaTitleBar(ads::CDockAreaWidget* parent)
+        : CDockAreaTitleBar(parent)
+    {}
+
+    QMenu* buildContextMenu(QMenu*) override
+    {
+        auto menu = ads::CDockAreaTitleBar::buildContextMenu(nullptr);
+        menu->addSeparator();
+        auto action = menu->addAction(tr("Format HardDrive"));
+        
+        connect(action, &QAction::triggered, this, [this](){
+            QMessageBox msgBox;
+            msgBox.setText("No, just kidding");
+            msgBox.setStandardButtons(QMessageBox::Abort);
+            msgBox.setDefaultButton(QMessageBox::Abort);
+            msgBox.exec();
+        });
+        
+        return menu;
+    }
+};
+
+#endif  // QTADS_MYDOCKAREATITLEBAR_H

src/DockAreaTitleBar.cpp

@@ -765,24 +765,35 @@ void CDockAreaTitleBar::contextMenuEvent(QContextMenuEvent* ev)
 		return;
 	}
 
+    auto Menu = buildContextMenu(nullptr);
+	Menu->exec(ev->globalPos());
+    delete Menu;
+}
+
+QMenu* CDockAreaTitleBar::buildContextMenu(QMenu *Menu)
+{
     const bool isAutoHide = d->DockArea->isAutoHide();
 	const bool isTopLevelArea = d->DockArea->isTopLevelArea();
 	QAction* Action;
-	QMenu Menu(this);
+    if (Menu == nullptr)
+    {
+        Menu = new QMenu(this);
+    }
+    
     if (!isTopLevelArea)
 	{
-		Action = Menu.addAction(isAutoHide ? tr("Detach") : tr("Detach Group"),
+		Action = Menu->addAction(isAutoHide ? tr("Detach") : tr("Detach Group"),
 			this, SLOT(onUndockButtonClicked()));
 		Action->setEnabled(d->DockArea->features().testFlag(CDockWidget::DockWidgetFloatable));
 		if (CDockManager::testAutoHideConfigFlag(CDockManager::AutoHideFeatureEnabled))
 		{
-			Action = Menu.addAction(isAutoHide ? tr("Unpin (Dock)") : tr("Pin Group"), this, SLOT(onAutoHideDockAreaActionClicked()));
+			Action = Menu->addAction(isAutoHide ? tr("Unpin (Dock)") : tr("Pin Group"), this, SLOT(onAutoHideDockAreaActionClicked()));
 			auto AreaIsPinnable = d->DockArea->features().testFlag(CDockWidget::DockWidgetPinnable);
 			Action->setEnabled(AreaIsPinnable);
 
 			if (!isAutoHide)
 			{
-				auto menu = Menu.addMenu(tr("Pin Group To..."));
+				auto menu = Menu->addMenu(tr("Pin Group To..."));
 				menu->setEnabled(AreaIsPinnable);
 				d->createAutoHideToAction(tr("Top"), SideBarTop, menu);
 				d->createAutoHideToAction(tr("Left"), SideBarLeft, menu);
@@ -790,28 +801,27 @@ void CDockAreaTitleBar::contextMenuEvent(QContextMenuEvent* ev)
 				d->createAutoHideToAction(tr("Bottom"), SideBarBottom, menu);
 			}
 		}
-		Menu.addSeparator();
+		Menu->addSeparator();
 	}
 
 	if (isAutoHide)
 	{
-		Action = Menu.addAction(tr("Minimize"), this, SLOT(minimizeAutoHideContainer()));
-		Action = Menu.addAction(tr("Close"), this, SLOT(onAutoHideCloseActionTriggered()));
+		Action = Menu->addAction(tr("Minimize"), this, SLOT(minimizeAutoHideContainer()));
+		Action = Menu->addAction(tr("Close"), this, SLOT(onAutoHideCloseActionTriggered()));
 	}
 	else
 	{
-		Action = Menu.addAction(isAutoHide ? tr("Close") : tr("Close Group"), this, SLOT(onCloseButtonClicked()));
+		Action = Menu->addAction(isAutoHide ? tr("Close") : tr("Close Group"), this, SLOT(onCloseButtonClicked()));
 	}
 
 	Action->setEnabled(d->DockArea->features().testFlag(CDockWidget::DockWidgetClosable));
 	if (!isAutoHide && !isTopLevelArea)
 	{
-		Action = Menu.addAction(tr("Close Other Groups"), d->DockArea, SLOT(closeOtherAreas()));
+		Action = Menu->addAction(tr("Close Other Groups"), d->DockArea, SLOT(closeOtherAreas()));
 	}
-	Menu.exec(ev->globalPos());
+    return Menu;
 }
 
-
 //============================================================================
 void CDockAreaTitleBar::insertWidget(int index, QWidget *widget)
 {

src/DockAreaTitleBar.h

@@ -249,6 +249,20 @@ public:
 	 */
 	bool isAutoHide() const;
 
+    /**
+     * Fills the provided menu with standard entries. If a nullptr is passed, a
+     * new menu is created and filled with standard entries.
+     * This function is called from the actual version of contextMenuEvent, but
+     * can be called from any code. Caller is responsible of deleting the created
+     * object.
+     *
+     * @param menu The QMenu to fill with standard entries. If nullptr, a new
+     * QMenu will be created.
+     * @return The filled QMenu, either the provided one or a newly created one if
+     * nullptr was passed.
+     */
+    virtual QMenu *buildContextMenu(QMenu *);
+
 Q_SIGNALS:
 	/**
 	 * This signal is emitted if a tab in the tab bar is clicked by the user

src/DockWidgetTab.cpp

@@ -529,26 +529,34 @@ void CDockWidgetTab::contextMenuEvent(QContextMenuEvent* ev)
 		return;
 	}
 
+    auto Menu = buildContextMenu(nullptr);
 	d->saveDragStartMousePosition(ev->globalPos());
+	Menu->exec(ev->globalPos());
+}
+
+QMenu* CDockWidgetTab::buildContextMenu(QMenu *Menu)
+{
+    if (Menu == nullptr) {
+        Menu = new QMenu(this);
+    }
     
     const bool isFloatable = d->DockWidget->features().testFlag(CDockWidget::DockWidgetFloatable);
     const bool isNotOnlyTabInContainer =  !d->DockArea->dockContainer()->hasTopLevelDockWidget();
     const bool isTopLevelArea = d->DockArea->isTopLevelArea();
     const bool isDetachable = isFloatable && isNotOnlyTabInContainer;
 	QAction* Action;
-	QMenu Menu(this);
 
     if (!isTopLevelArea)
     {
-		Action = Menu.addAction(tr("Detach"), this, SLOT(detachDockWidget()));
+		Action = Menu->addAction(tr("Detach"), this, SLOT(detachDockWidget()));
 		Action->setEnabled(isDetachable);
 		if (CDockManager::testAutoHideConfigFlag(CDockManager::AutoHideFeatureEnabled))
 		{
-			Action = Menu.addAction(tr("Pin"), this, SLOT(autoHideDockWidget()));
+			Action = Menu->addAction(tr("Pin"), this, SLOT(autoHideDockWidget()));
 			auto IsPinnable = d->DockWidget->features().testFlag(CDockWidget::DockWidgetPinnable);
 			Action->setEnabled(IsPinnable);
 
-			auto menu = Menu.addMenu(tr("Pin To..."));
+			auto menu = Menu->addMenu(tr("Pin To..."));
 			menu->setEnabled(IsPinnable);
 			d->createAutoHideToAction(tr("Top"), SideBarTop, menu);
 			d->createAutoHideToAction(tr("Left"), SideBarLeft, menu);
@@ -557,17 +565,16 @@ void CDockWidgetTab::contextMenuEvent(QContextMenuEvent* ev)
 		}
     }
 
-	Menu.addSeparator();
-	Action = Menu.addAction(tr("Close"), this, SIGNAL(closeRequested()));
+	Menu->addSeparator();
+	Action = Menu->addAction(tr("Close"), this, SIGNAL(closeRequested()));
 	Action->setEnabled(isClosable());
 	if (d->DockArea->openDockWidgetsCount() > 1)
 	{
-		Action = Menu.addAction(tr("Close Others"), this, SIGNAL(closeOtherTabsRequested()));
+		Action = Menu->addAction(tr("Close Others"), this, SIGNAL(closeOtherTabsRequested()));
 	}
-	Menu.exec(ev->globalPos());
+
+    return Menu;
 }
-
-
 //============================================================================
 bool CDockWidgetTab::isActiveTab() const
 {

src/DockWidgetTab.h

@@ -186,6 +186,20 @@ public:
 	 */
 	eDragState dragState() const;
 
+    /**
+     * Fills the provided menu with standard entries. If a nullptr is passed, a
+     * new menu is created and filled with standard entries.
+     * This function is called from the actual version of contextMenuEvent, but
+     * can be called from any code. Caller is responsible of deleting the created
+     * object.
+     *
+     * @param menu The QMenu to fill with standard entries. If nullptr, a new
+     * QMenu will be created.
+     * @return The filled QMenu, either the provided one or a newly created one if
+     * nullptr was passed.
+     */
+    virtual QMenu *buildContextMenu(QMenu *);
+
 public Q_SLOTS:
 	virtual void setVisible(bool visible) override;