6 files changed, 20 insertions, 48 deletions
diff --git a/src/opengl/doc/qtopengl.qdocconf b/src/opengl/doc/qtopengl.qdocconf
index 6ff6cae2cb..2d38a5d2af 100644
--- a/src/opengl/doc/qtopengl.qdocconf
+++ b/src/opengl/doc/qtopengl.qdocconf
@@ -23,6 +23,8 @@ depends += qtdoc qtcore qtgui qtwidgets qmake
 
 examplesinstallpath     = opengl
 
+tagfile = qtopengl.tags
+
 # The following parameters are for creating a qhp file, the qhelpgenerator
 # program can convert the qhp file into a qch file which can be opened in
 # Qt Assistant and/or Qt Creator.
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
index d1ed621790..abf5b8ea48 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
@@ -160,7 +160,7 @@ public:
     void setTranslateZ(GLfloat z);
 
 private:
-    Q_DISABLE_COPY(QGL2PaintEngineEx)
+    Q_DISABLE_COPY_MOVE(QGL2PaintEngineEx)
 };
 
 class QGL2PaintEngineExPrivate : public QPaintEngineExPrivate, protected QOpenGLExtensions
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index ba4a1dcaa1..8ef53afaea 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -3880,12 +3880,9 @@ void QGLContext::doneCurrent()
 */
 
 QGLWidget::QGLWidget(QWidget *parent, const QGLWidget* shareWidget, Qt::WindowFlags f)
-    : QWidget(*(new QGLWidgetPrivate), parent, f | Qt::MSWindowsOwnDC)
+    : QWidget(*(new QGLWidgetPrivate), parent, f)
 {
     Q_D(QGLWidget);
-    setAttribute(Qt::WA_PaintOnScreen);
-    setAttribute(Qt::WA_NoSystemBackground);
-    setAutoFillBackground(true); // for compatibility
     d->init(new QGLContext(QGLFormat::defaultFormat(), this), shareWidget);
 }
 
@@ -3893,12 +3890,9 @@ QGLWidget::QGLWidget(QWidget *parent, const QGLWidget* shareWidget, Qt::WindowFl
   \internal
  */
 QGLWidget::QGLWidget(QGLWidgetPrivate &dd, const QGLFormat &format, QWidget *parent, const QGLWidget *shareWidget, Qt::WindowFlags f)
-    : QWidget(dd, parent, f | Qt::MSWindowsOwnDC)
+    : QWidget(dd, parent, f)
 {
     Q_D(QGLWidget);
-    setAttribute(Qt::WA_PaintOnScreen);
-    setAttribute(Qt::WA_NoSystemBackground);
-    setAutoFillBackground(true); // for compatibility
     d->init(new QGLContext(format, this), shareWidget);
 
 }
@@ -3935,12 +3929,9 @@ QGLWidget::QGLWidget(QGLWidgetPrivate &dd, const QGLFormat &format, QWidget *par
 
 QGLWidget::QGLWidget(const QGLFormat &format, QWidget *parent, const QGLWidget* shareWidget,
                      Qt::WindowFlags f)
-    : QWidget(*(new QGLWidgetPrivate), parent, f | Qt::MSWindowsOwnDC)
+    : QWidget(*(new QGLWidgetPrivate), parent, f)
 {
     Q_D(QGLWidget);
-    setAttribute(Qt::WA_PaintOnScreen);
-    setAttribute(Qt::WA_NoSystemBackground);
-    setAutoFillBackground(true); // for compatibility
     d->init(new QGLContext(format, this), shareWidget);
 }
 
@@ -3971,12 +3962,9 @@ QGLWidget::QGLWidget(const QGLFormat &format, QWidget *parent, const QGLWidget*
 */
 QGLWidget::QGLWidget(QGLContext *context, QWidget *parent, const QGLWidget *shareWidget,
                      Qt::WindowFlags f)
-    : QWidget(*(new QGLWidgetPrivate), parent, f | Qt::MSWindowsOwnDC)
+    : QWidget(*(new QGLWidgetPrivate), parent, f)
 {
     Q_D(QGLWidget);
-    setAttribute(Qt::WA_PaintOnScreen);
-    setAttribute(Qt::WA_NoSystemBackground);
-    setAutoFillBackground(true); // for compatibility
     d->init(context, shareWidget);
 }
 
@@ -4131,14 +4119,14 @@ void QGLWidget::swapBuffers()
 /*!
     \fn const QGLContext* QGLWidget::overlayContext() const
 
-    Returns the overlay context of this widget, or 0 if this widget
-    has no overlay.
+    Returns the overlay context of this widget, or \nullptr if this
+    widget has no overlay.
 
     \sa context()
 */
 const QGLContext* QGLWidget::overlayContext() const
 {
-    return 0;
+    return nullptr;
 }
 
 /*!
@@ -5169,6 +5157,15 @@ QPaintEngine *QGLWidget::paintEngine() const
 
 void QGLWidgetPrivate::init(QGLContext *context, const QGLWidget *shareWidget)
 {
+    Q_Q(QGLWidget);
+    q->setAttribute(Qt::WA_PaintOnScreen);
+    q->setAttribute(Qt::WA_NoSystemBackground);
+    q->setAutoFillBackground(true); // for compatibility
+
+    mustHaveWindowHandle = 1;
+    q->setAttribute(Qt::WA_NativeWindow);
+    q->setWindowFlag(Qt::MSWindowsOwnDC);
+
     initContext(context, shareWidget);
 }
 
diff --git a/src/opengl/qgl.h b/src/opengl/qgl.h
index a1ba0485e0..f5accbeb3c 100644
--- a/src/opengl/qgl.h
+++ b/src/opengl/qgl.h
@@ -51,22 +51,6 @@
 
 #include <QtGui/QSurfaceFormat>
 
-#if defined(Q_CLANG_QDOC)
-#undef GLint
-typedef int GLint;
-#undef GLuint
-typedef unsigned int GLuint;
-#undef GLenum
-typedef unsigned int GLenum;
-#undef GLclampf
-typedef float GLclampf;
-#undef GLsizei
-typedef int GLsizei;
-#undef GLboolean
-typedef bool GLboolean;
-#endif
-
-
 QT_BEGIN_NAMESPACE
 
 
diff --git a/src/opengl/qglshaderprogram.h b/src/opengl/qglshaderprogram.h
index dfdef44b54..3ce88197d2 100644
--- a/src/opengl/qglshaderprogram.h
+++ b/src/opengl/qglshaderprogram.h
@@ -46,17 +46,6 @@
 #include <QtGui/qvector4d.h>
 #include <QtGui/qmatrix4x4.h>
 
-#if defined(Q_CLANG_QDOC)
-#undef GLfloat
-typedef double GLfloat;
-#undef GLint
-typedef int GLint;
-#undef GLuint
-typedef unsigned int GLuint;
-#undef GLenum
-typedef unsigned int GLenum;
-#endif
-
 QT_BEGIN_NAMESPACE
 
 
diff --git a/src/opengl/qgraphicsshadereffect_p.h b/src/opengl/qgraphicsshadereffect_p.h
index 9efcecd25f..1a32f24d70 100644
--- a/src/opengl/qgraphicsshadereffect_p.h
+++ b/src/opengl/qgraphicsshadereffect_p.h
@@ -80,7 +80,7 @@ protected:
 
 private:
     Q_DECLARE_PRIVATE(QGraphicsShaderEffect)
-    Q_DISABLE_COPY(QGraphicsShaderEffect)
+    Q_DISABLE_COPY_MOVE(QGraphicsShaderEffect)
 
     friend class QGLCustomShaderEffectStage;
 };