1 files changed, 133 insertions, 0 deletions
diff --git a/examples/opengl/hellogl2/window.cpp b/examples/opengl/hellogl2/window.cpp
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+++ b/examples/opengl/hellogl2/window.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "glwidget.h"
+#include "window.h"
+#include "mainwindow.h"
+#include <QSlider>
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QKeyEvent>
+#include <QPushButton>
+#include <QDesktopWidget>
+#include <QApplication>
+#include <QMessageBox>
+
+Window::Window(MainWindow *mw)
+    : mainWindow(mw)
+{
+    glWidget = new GLWidget;
+
+    xSlider = createSlider();
+    ySlider = createSlider();
+    zSlider = createSlider();
+
+    connect(xSlider, SIGNAL(valueChanged(int)), glWidget, SLOT(setXRotation(int)));
+    connect(glWidget, SIGNAL(xRotationChanged(int)), xSlider, SLOT(setValue(int)));
+    connect(ySlider, SIGNAL(valueChanged(int)), glWidget, SLOT(setYRotation(int)));
+    connect(glWidget, SIGNAL(yRotationChanged(int)), ySlider, SLOT(setValue(int)));
+    connect(zSlider, SIGNAL(valueChanged(int)), glWidget, SLOT(setZRotation(int)));
+    connect(glWidget, SIGNAL(zRotationChanged(int)), zSlider, SLOT(setValue(int)));
+
+    QVBoxLayout *mainLayout = new QVBoxLayout;
+    QHBoxLayout *container = new QHBoxLayout;
+    container->addWidget(glWidget);
+    container->addWidget(xSlider);
+    container->addWidget(ySlider);
+    container->addWidget(zSlider);
+
+    QWidget *w = new QWidget;
+    w->setLayout(container);
+    mainLayout->addWidget(w);
+    dockBtn = new QPushButton(tr("Undock"), this);
+    connect(dockBtn, SIGNAL(clicked()), this, SLOT(dockUndock()));
+    mainLayout->addWidget(dockBtn);
+
+    setLayout(mainLayout);
+
+    xSlider->setValue(15 * 16);
+    ySlider->setValue(345 * 16);
+    zSlider->setValue(0 * 16);
+
+    setWindowTitle(tr("Hello GL"));
+}
+
+QSlider *Window::createSlider()
+{
+    QSlider *slider = new QSlider(Qt::Vertical);
+    slider->setRange(0, 360 * 16);
+    slider->setSingleStep(16);
+    slider->setPageStep(15 * 16);
+    slider->setTickInterval(15 * 16);
+    slider->setTickPosition(QSlider::TicksRight);
+    return slider;
+}
+
+void Window::keyPressEvent(QKeyEvent *e)
+{
+    if (e->key() == Qt::Key_Escape)
+        close();
+    else
+        QWidget::keyPressEvent(e);
+}
+
+void Window::dockUndock()
+{
+    if (parent()) {
+        setParent(0);
+        setAttribute(Qt::WA_DeleteOnClose);
+        move(QApplication::desktop()->width() / 2 - width() / 2,
+             QApplication::desktop()->height() / 2 - height() / 2);
+        dockBtn->setText(tr("Dock"));
+        show();
+    } else {
+        if (!mainWindow->centralWidget()) {
+            if (mainWindow->isVisible()) {
+                setAttribute(Qt::WA_DeleteOnClose, false);
+                dockBtn->setText(tr("Undock"));
+                mainWindow->setCentralWidget(this);
+            } else {
+                QMessageBox::information(0, tr("Cannot dock"), tr("Main window already closed"));
+            }
+        } else {
+            QMessageBox::information(0, tr("Cannot dock"), tr("Main window already occupied"));
+        }
+    }
+}