diff --git a/demo/MainWindow.cpp b/demo/MainWindow.cpp
index 5650540..212d2ad 100644
--- a/demo/MainWindow.cpp
+++ b/demo/MainWindow.cpp
@@ -266,6 +266,19 @@ static ads::CDockWidget* createTableWidget(QMenu* ViewMenu)
 	DockWidget->setWidget(w);
 	DockWidget->setIcon(svgIcon(":/adsdemo/images/grid_on.svg"));
 	DockWidget->setMinimumSizeHintMode(ads::CDockWidget::MinimumSizeHintFromContent);
+	auto ToolBar = DockWidget->createDefaultToolBar();
+	auto Action = ToolBar->addAction(svgIcon(":/adsdemo/images/fullscreen.svg"), "Toggle Fullscreen");
+	QObject::connect(Action, &QAction::triggered, [=]()
+		{
+			if (DockWidget->isFullScreen())
+			{
+				DockWidget->showNormal();
+			}
+			else
+			{
+				DockWidget->showFullScreen();
+			}
+		});
 	ViewMenu->addAction(DockWidget->toggleViewAction());
 	return DockWidget;
 }
@@ -670,3 +683,10 @@ void CMainWindow::createTable()
     FloatingWidget->move(QPoint(40, 40));
 }
 
+
+//============================================================================
+void CMainWindow::onFullscreenActionTriggered()
+{
+	std::cout << "CMainWindow::onFullscreenActionTriggered()" << std::endl;
+}
+
diff --git a/demo/MainWindow.h b/demo/MainWindow.h
index f2fe937..06961a8 100644
--- a/demo/MainWindow.h
+++ b/demo/MainWindow.h
@@ -63,6 +63,7 @@ private slots:
 	void createEditor();
 	void createTable();
 	void onEditorCloseRequested();
+	void onFullscreenActionTriggered();
 };
 
 #endif // MAINWINDOW_H
diff --git a/demo/demo.qrc b/demo/demo.qrc
index ddd49d8..d92ca79 100644
--- a/demo/demo.qrc
+++ b/demo/demo.qrc
@@ -13,5 +13,6 @@
         <file>app.css</file>
         <file>images/plus.svg</file>
         <file>images/help_outline.svg</file>
+        <file>images/fullscreen.svg</file>
     </qresource>
 </RCC>
diff --git a/demo/images/fullscreen.svg b/demo/images/fullscreen.svg
new file mode 100644
index 0000000..2cf89e3
--- /dev/null
+++ b/demo/images/fullscreen.svg
@@ -0,0 +1,6 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0,0,1024,1024">
+	<desc>settings_overscan icon - Licensed under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0) - Created with Iconfu.com - Derivative work of Material icons (Copyright Google Inc.)</desc>
+	<g fill="#03b8e5" fill-rule="nonzero" style="mix-blend-mode: normal">
+		<path d="M981.33,213.33v597.34c0,46.93 -38.4,85.33 -85.33,85.33h-768c-46.93,0 -85.33,-38.4 -85.33,-85.33v-597.34c0,-46.93 38.4,-85.33 85.33,-85.33h768c46.93,0 85.33,38.4 85.33,85.33zM896,212.91h-768v598.18h768zM256,597.33l-106.67,-84.9l106.67,-85.76zM597.33,341.33h-170.66l85.76,-106.66zM874.67,512.43l-106.67,84.9v-170.66zM512.43,789.33l-85.76,-106.66h170.66z"/>
+	</g>
+</svg>
\ No newline at end of file
diff --git a/src/DockWidget.cpp b/src/DockWidget.cpp
index 8099f21..4185b89 100644
--- a/src/DockWidget.cpp
+++ b/src/DockWidget.cpp
@@ -876,6 +876,48 @@ QList<QAction*> CDockWidget::titleBarActions() const
 }
 
 
+//============================================================================
+void CDockWidget::showFullScreen()
+{
+	if (isFloating())
+	{
+		dockContainer()->floatingWidget()->showFullScreen();
+	}
+	else
+	{
+		Super::showFullScreen();
+	}
+}
+
+
+//============================================================================
+void CDockWidget::showNormal()
+{
+	if (isFloating())
+	{
+		dockContainer()->floatingWidget()->showNormal();
+	}
+	else
+	{
+		Super::showFullScreen();
+	}
+}
+
+
+//============================================================================
+bool CDockWidget::isFullScreen() const
+{
+	if (isFloating())
+	{
+		return dockContainer()->floatingWidget()->isFullScreen();
+	}
+	else
+	{
+		return Super::isFullScreen();
+	}
+}
+
+
 } // namespace ads
 
 //---------------------------------------------------------------------------
diff --git a/src/DockWidget.h b/src/DockWidget.h
index 9d2e2ee..57e121f 100644
--- a/src/DockWidget.h
+++ b/src/DockWidget.h
@@ -449,6 +449,12 @@ public:
     void setTabToolTip(const QString &text);
 #endif
 
+    /**
+     * Returns true if the dock widget is floating and if the floating dock
+     * container is full screen
+     */
+    bool isFullScreen() const;
+
 public: // reimplements QFrame -----------------------------------------------
     /**
      * Emits titleChanged signal if title change event occurs
@@ -478,6 +484,20 @@ public slots:
      */
     void closeDockWidget();
 
+    /**
+     * Shows the widget in full-screen mode.
+     * Normally this function only affects windows. To make the interface
+     * compatible to QDockWidget, this function also maximizes a floating
+     * dock widget.
+     */
+    void showFullScreen();
+
+    /**
+     * This function complements showFullScreen() to restore the widget
+     * after it has been in full screen mode.
+     */
+    void showNormal();
+
 
 signals:
     /**