3 files changed, 184 insertions, 19 deletions

diff --git a/tests/manual/qopenglwidget/openglwidget/main.cpp b/tests/manual/qopenglwidget/openglwidget/main.cpp
index aaa48ea60a..a56cea1dfe 100644
--- a/tests/manual/qopenglwidget/openglwidget/main.cpp
+++ b/tests/manual/qopenglwidget/openglwidget/main.cpp
@@ -35,13 +35,108 @@
 #include <QApplication>
 #include <QPushButton>
 #include <QMdiArea>
+#include <QMdiSubWindow>
+#include <QMenu>
+#include <QMenuBar>
+#include <QMainWindow>
 #include <QLCDNumber>
+#include <QScrollArea>
+#include <QScrollBar>
+#include <QTabWidget>
+#include <QLabel>
 #include <QTimer>
 #include <QSurfaceFormat>
 #include <QDebug>
+#include <private/qwindow_p.h>
+
+class Tools : public QObject
+{
+    Q_OBJECT
+
+public:
+    Tools(QWidget *root, QWidget *widgetToTurn, const QVector<QWidget *> glwidgets)
+        : m_root(root), m_widgetToTurn(widgetToTurn), m_glWidgets(glwidgets) { }
+    void dump();
+
+private slots:
+    void turnNative();
+    void hideShowAllGL();
+    void dumpCompositingStatus();
+
+signals:
+    void aboutToShowGLWidgets();
+
+private:
+    void dumpWidget(QWidget *w, int indent = 0);
+
+    QWidget *m_root;
+    QWidget *m_widgetToTurn;
+    QVector<QWidget *> m_glWidgets;
+};
+
+void Tools::turnNative()
+{
+    qDebug("Turning into native");
+    m_widgetToTurn->winId();
+    dump();
+}
+
+void Tools::hideShowAllGL()
+{
+    if (m_glWidgets[0]->isVisible()) {
+        qDebug("Hiding all render-to-texture widgets");
+        foreach (QWidget *w, m_glWidgets)
+            w->hide();
+    } else {
+        qDebug("Showing all render-to-texture widgets");
+        emit aboutToShowGLWidgets();
+        foreach (QWidget *w, m_glWidgets)
+            w->show();
+    }
+}
+
+void Tools::dump()
+{
+    qDebug() << "Widget hierarchy";
+    dumpWidget(m_root);
+    qDebug() << "========";
+}
+
+void Tools::dumpWidget(QWidget *w, int indent)
+{
+    QString indentStr;
+    indentStr.fill(' ', indent);
+    qDebug().noquote() << indentStr << w << "winId =" << w->internalWinId();
+    foreach (QObject *obj, w->children()) {
+        if (QWidget *cw = qobject_cast<QWidget *>(obj))
+            dumpWidget(cw, indent + 4);
+    }
+}
+
+void Tools::dumpCompositingStatus()
+{
+    QWindow *w = m_root->window()->windowHandle();
+    qDebug() << "Compositing status for" << w << m_root->window() << "is" << QWindowPrivate::get(w)->compositing;
+}
+
+class TabWidgetResetter : public QObject
+{
+    Q_OBJECT
+public:
+    TabWidgetResetter(QTabWidget *tw) : m_tw(tw) { }
+public slots:
+    void reset() { m_tw->setCurrentIndex(0); }
+private:
+    QTabWidget *m_tw;
+};
 
 int main(int argc, char *argv[])
 {
+    if (argc > 1 && !strcmp(argv[1], "--sharecontext")) {
+        qDebug("Requesting all contexts to share");
+        QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts);
+    }
+
     QApplication a(argc, argv);
 
     QSurfaceFormat format;
@@ -53,28 +148,86 @@ int main(int argc, char *argv[])
     }
     qDebug() << "Requesting" << format;
 
-    QMdiArea w;
-    w.resize(400,400);
+    QMainWindow wnd;
+    wnd.setObjectName("Main Window");
+    wnd.resize(1024, 768);
+
+    QMdiArea *w = new QMdiArea;
+    w->setObjectName("MDI area");
+    w->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
+    wnd.setCentralWidget(w);
 
-    OpenGLWidget *glw = new OpenGLWidget;
+    OpenGLWidget *glw = new OpenGLWidget(33, QVector3D(0, 0, 1));
+    glw->setObjectName("First GL Widget with 33 ms timer");
     glw->setFormat(format);
-    w.addSubWindow(glw);
-    glw->setMinimumSize(100,100);
+    glw->setMinimumSize(100, 100);
+    QMdiSubWindow *sw = w->addSubWindow(glw);
+    sw->setObjectName("First MDI Sub-Window");
+    sw->setWindowTitle("33 ms timer");
 
-    OpenGLWidget *glw2 = new OpenGLWidget;
+    OpenGLWidget *glw2 = new OpenGLWidget(16);
+    glw2->setObjectName("Second GL Widget with 16 ms timer");
     glw2->setFormat(format);
-    glw2->setMinimumSize(100,100);
-    w.addSubWindow(glw2);
+    glw2->setMinimumSize(100, 100);
+    QOpenGLWidget *glw22 = new OpenGLWidget(16);
+    glw22->setObjectName("Second #2 GLWidget");
+    glw22->setParent(glw2);
+    glw22->resize(40, 40);
+    sw = w->addSubWindow(glw2);
+    sw->setObjectName("Second MDI Sub-Window");
+    sw->setWindowTitle("16 ms timer");
+
+    OpenGLWidget *glw3 = new OpenGLWidget(0); // trigger updates continuously, no timer
+    glw3->setObjectName("GL widget in scroll area (possibly native)");
+    glw3->setFormat(format);
+    glw3->setFixedSize(600, 600);
+    QScrollArea *sa = new QScrollArea;
+    sa->setWidget(glw3);
+    sa->setMinimumSize(100, 100);
+    sa->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
+    sw = w->addSubWindow(sa);
+    sw->setObjectName("MDI Sub-Window for scroll area");
+    sw->setWindowTitle("Cont. update");
+    sw->resize(300, 300);
+    sa->verticalScrollBar()->setValue(300);
 
     QLCDNumber *lcd = new QLCDNumber;
     lcd->display(1337);
-    lcd->setMinimumSize(300,100);
-    w.addSubWindow(lcd);
+    lcd->setMinimumSize(300, 100);
+    sw = w->addSubWindow(lcd);
+    sw->setObjectName("MDI Sub-Window for LCD widget");
+    sw->setWindowTitle("Ordinary widget");
+
+    QTabWidget *tw = new QTabWidget;
+    QOpenGLWidget *glw4 = new OpenGLWidget(16, QVector3D(1, 0, 0));
+    glw4->setObjectName("GL widget in tab widget");
+    tw->addTab(glw4, "OpenGL");
+    QLabel *label = new QLabel("Another tab");
+    tw->addTab(label, "Not OpenGL");
+    tw->setMinimumSize(100, 100);
+    sw = w->addSubWindow(tw);
+    sw->setObjectName("MDI Sub-Window for tab widget");
+    sw->setWindowTitle("Tabs");
 
-    w.show();
+    TabWidgetResetter twr(tw);
+    Tools t(&wnd, glw3, QVector<QWidget *>() << glw << glw2 << glw3 << glw4);
+    QObject::connect(&t, SIGNAL(aboutToShowGLWidgets()), &twr, SLOT(reset()));
+    QMenu *toolsMenu = wnd.menuBar()->addMenu("&Tools");
+    toolsMenu->addAction("&Turn widgets (or some parent) into native", &t, SLOT(turnNative()));
+    toolsMenu->addAction("&Hide/show all OpenGL widgets", &t, SLOT(hideShowAllGL()));
+
+    QTimer compStatusDumpTimer;
+    QObject::connect(&compStatusDumpTimer, SIGNAL(timeout()), &t, SLOT(dumpCompositingStatus()));
+    compStatusDumpTimer.start(5000);
+
+    wnd.show();
 
     if (glw->isValid())
         qDebug() << "Got" << glw->format();
 
+    t.dump();
+
     return a.exec();
 }
+
+#include "main.moc"
diff --git a/tests/manual/qopenglwidget/openglwidget/openglwidget.cpp b/tests/manual/qopenglwidget/openglwidget/openglwidget.cpp
index d47e12edc8..4d2463b84d 100644
--- a/tests/manual/qopenglwidget/openglwidget/openglwidget.cpp
+++ b/tests/manual/qopenglwidget/openglwidget/openglwidget.cpp
@@ -75,16 +75,23 @@ public:
 
     int w,h;
     QWidget *q;
+
+    int m_interval;
+    QVector3D m_rotAxis;
 };
 
 
-OpenGLWidget::OpenGLWidget(QWidget *parent)
+OpenGLWidget::OpenGLWidget(int interval, const QVector3D &rotAxis, QWidget *parent)
     : QOpenGLWidget(parent)
 {
-    d = new OpenGLWidgetPrivate(this);
-    QTimer *timer = new QTimer(this);
-    connect(timer, SIGNAL(timeout()), this, SLOT(update()));
-    timer->start(30);
+    d.reset(new OpenGLWidgetPrivate(this));
+    d->m_interval = interval;
+    d->m_rotAxis = rotAxis;
+    if (interval > 0) {
+        QTimer *timer = new QTimer(this);
+        connect(timer, SIGNAL(timeout()), this, SLOT(update()));
+        timer->start(interval);
+    }
 }
 
 OpenGLWidget::~OpenGLWidget()
@@ -152,7 +159,8 @@ void OpenGLWidgetPrivate::render()
     QMatrix4x4 matrix;
     matrix.perspective(60.0f, 4.0f/3.0f, 0.1f, 100.0f);
     matrix.translate(0, 0, -2);
-    matrix.rotate(100.0f * m_frame / 30/*screen()->refreshRate()*/, 0, 1, 0);
+    const qreal angle = 100.0f * m_frame / 30;
+    matrix.rotate(angle, m_rotAxis);
 
     m_program->setUniformValue(m_matrixUniform, matrix);
 
@@ -182,4 +190,7 @@ void OpenGLWidgetPrivate::render()
     m_program->release();
 
     ++m_frame;
+
+    if (m_interval <= 0)
+        q->update();
 }
diff --git a/tests/manual/qopenglwidget/openglwidget/openglwidget.h b/tests/manual/qopenglwidget/openglwidget/openglwidget.h
index 4dc5fde067..a1d5490845 100644
--- a/tests/manual/qopenglwidget/openglwidget/openglwidget.h
+++ b/tests/manual/qopenglwidget/openglwidget/openglwidget.h
@@ -35,13 +35,14 @@
 #define OPENGLWIDGET_H
 
 #include <QtWidgets/QOpenGLWidget>
+#include <QtGui/QVector3D>
 
 class OpenGLWidgetPrivate;
 class OpenGLWidget : public QOpenGLWidget
 {
     Q_OBJECT
 public:
-    OpenGLWidget(QWidget *parent = 0);
+    OpenGLWidget(int interval = 30, const QVector3D &rotAxis = QVector3D(0, 1, 0), QWidget *parent = 0);
     ~OpenGLWidget();
 
     void initializeGL();
@@ -49,7 +50,7 @@ public:
     void paintGL();
 
 private:
-    OpenGLWidgetPrivate *d;
+    QScopedPointer<OpenGLWidgetPrivate> d;
 };
 
 #endif // OPENGLWIDGET_H