Implemented close event for QWindow and QWidgetWindow.

examples/opengl/hellowindow/hellowindow.cpp

@@ -63,6 +63,9 @@ void HelloWindow::updateColor()
 
 void HelloWindow::render()
 {
+    if (!glContext())
+        return;
+
     glContext()->makeCurrent();
 
     glClearColor(0.1f, 0.1f, 0.2f, 1.0f);

src/gui/kernel/qguiapplication_qpa.cpp

@@ -710,11 +710,11 @@ void QGuiApplicationPrivate::processGeometryChangeEvent(QWindowSystemInterfacePr
 
 void QGuiApplicationPrivate::processCloseEvent(QWindowSystemInterfacePrivate::CloseEvent *e)
 {
-    if (e->topLevel.isNull()) {
-        //qDebug() << "QGuiApplicationPrivate::processCloseEvent NULL";
+    if (e->window.isNull())
         return;
-    }
-//    e->topLevel.data()->d_func()->close_helper(QWidgetPrivate::CloseWithSpontaneousEvent);
+
+    QCloseEvent event;
+    QGuiApplication::sendSpontaneousEvent(e->window.data(), &event);
 }
 
 void QGuiApplicationPrivate::processTouchEvent(QWindowSystemInterfacePrivate::TouchEvent *)

src/gui/kernel/qwidgetwindow_qpa.cpp

@@ -41,6 +41,8 @@
 
 #include "qwidgetwindow_qpa_p.h"
 
+#include "private/qwidget_p.h"
+
 QT_BEGIN_NAMESPACE
 
 QWidgetWindow::QWidgetWindow(QWidget *widget)
@@ -51,11 +53,8 @@ QWidgetWindow::QWidgetWindow(QWidget *widget)
 bool QWidgetWindow::event(QEvent *event)
 {
     switch (event->type()) {
-    case QEvent::MouseMove:
-    case QEvent::MouseButtonPress:
-    case QEvent::MouseButtonRelease:
-    case QEvent::MouseButtonDblClick:
-        handleMouseEvent(static_cast<QMouseEvent *>(event));
+    case QEvent::Close:
+        handleCloseEvent(static_cast<QCloseEvent *>(event));
         return true;
 
     case QEvent::KeyPress:
@@ -63,6 +62,13 @@ bool QWidgetWindow::event(QEvent *event)
         handleKeyEvent(static_cast<QKeyEvent *>(event));
         return true;
 
+    case QEvent::MouseMove:
+    case QEvent::MouseButtonPress:
+    case QEvent::MouseButtonRelease:
+    case QEvent::MouseButtonDblClick:
+        handleMouseEvent(static_cast<QMouseEvent *>(event));
+        return true;
+
     case QEvent::Move:
         handleMoveEvent(static_cast<QMoveEvent *>(event));
         return true;
@@ -116,4 +122,9 @@ void QWidgetWindow::handleResizeEvent(QResizeEvent *event)
     QGuiApplication::sendSpontaneousEvent(m_widget, event);
 }
 
+void QWidgetWindow::handleCloseEvent(QCloseEvent *)
+{
+    m_widget->d_func()->close_helper(QWidgetPrivate::CloseWithSpontaneousEvent);
+}
+
 QT_END_NAMESPACE

src/gui/kernel/qwidgetwindow_qpa_p.h

@@ -63,8 +63,9 @@ public:
 protected:
     bool event(QEvent *);
 
-    void handleMouseEvent(QMouseEvent *);
+    void handleCloseEvent(QCloseEvent *);
     void handleKeyEvent(QKeyEvent *);
+    void handleMouseEvent(QMouseEvent *);
     void handleMoveEvent(QMoveEvent *);
     void handleResizeEvent(QResizeEvent *);
 

src/gui/kernel/qwindow_qpa.cpp

@@ -293,7 +293,7 @@ void QWindow::setWindowIcon(const QImage &icon) const
 QWindowContext * QWindow::glContext() const
 {
     Q_D(const QWindow);
-    if (!d->glContext)
+    if (d->platformWindow && !d->glContext)
         const_cast<QWindowPrivate *>(d)->glContext = new QWindowContext(const_cast<QWindow *>(this));
     return d->glContext;
 }
@@ -411,6 +411,10 @@ bool QWindow::event(QEvent *event)
         break;
 #endif
 
+    case QEvent::Close:
+        destroy();
+        break;
+
     default:
         return QObject::event(event);
     }

src/gui/kernel/qwindowsysteminterface_qpa_p.h

@@ -73,9 +73,9 @@ public:
 
     class CloseEvent : public WindowSystemEvent {
     public:
-        CloseEvent(QWindow *tlw)
-            : WindowSystemEvent(Close), topLevel(tlw) { }
-        QWeakPointer<QWindow> topLevel;
+        CloseEvent(QWindow *w)
+            : WindowSystemEvent(Close), window(w) { }
+        QWeakPointer<QWindow> window;
     };
 
     class GeometryChangeEvent : public WindowSystemEvent {