From 75910e910ea60a19ec9b6044055b926e9792c514 Mon Sep 17 00:00:00 2001
From: Uwe Kindler <uwe_kindler@web.de>
Date: Thu, 26 Nov 2020 08:07:31 +0100
Subject: [PATCH] Fixed centralwidget example to properly close all floating
 widgets on main window close

---
 examples/centralwidget/mainwindow.cpp | 11 +++++++++++
 examples/centralwidget/mainwindow.h   |  3 +++
 2 files changed, 14 insertions(+)

diff --git a/examples/centralwidget/mainwindow.cpp b/examples/centralwidget/mainwindow.cpp
index 9a3caa6..c5d49b5 100644
--- a/examples/centralwidget/mainwindow.cpp
+++ b/examples/centralwidget/mainwindow.cpp
@@ -133,3 +133,14 @@ void CMainWindow::savePerspective()
 	PerspectiveComboBox->setCurrentText(PerspectiveName);
 }
 
+
+//============================================================================
+void CMainWindow::closeEvent(QCloseEvent* event)
+{
+    // Delete dock manager here to delete all floating widgets. This ensures
+    // that all top level windows of the dock manager are properly closed
+    DockManager->deleteLater();
+	QMainWindow::closeEvent(event);
+}
+
+
diff --git a/examples/centralwidget/mainwindow.h b/examples/centralwidget/mainwindow.h
index b31c91b..75869da 100644
--- a/examples/centralwidget/mainwindow.h
+++ b/examples/centralwidget/mainwindow.h
@@ -21,6 +21,9 @@ public:
     CMainWindow(QWidget *parent = nullptr);
     ~CMainWindow();
 
+protected:
+	virtual void closeEvent(QCloseEvent* event) override;
+
 private:
 	QAction* SavePerspectiveAction = nullptr;
 	QWidgetAction* PerspectiveListAction = nullptr;