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Diffstat (limited to 'examples/opengl/qopenglwidget/mainwindow.cpp')
| -rw-r--r-- | examples/opengl/qopenglwidget/mainwindow.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/examples/opengl/qopenglwidget/mainwindow.cpp b/examples/opengl/qopenglwidget/mainwindow.cpp new file mode 100644 index 0000000000..f09acacaf0 --- /dev/null +++ b/examples/opengl/qopenglwidget/mainwindow.cpp @@ -0,0 +1,152 @@ +/**************************************************************************** +** +** 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 "mainwindow.h" + +#include <QApplication> +#include <QMenuBar> +#include <QGroupBox> +#include <QSlider> +#include <QLabel> +#include <QCheckBox> +#include <QSpinBox> + +#include "glwidget.h" + +MainWindow::MainWindow() + : m_nextX(1), m_nextY(1) +{ + GLWidget *glwidget = new GLWidget(this, true, qRgb(20, 20, 50)); + QLabel *label = new QLabel(this); + m_timer = new QTimer(this); + QSlider *slider = new QSlider(this); + slider->setOrientation(Qt::Horizontal); + + QLabel *updateLabel = new QLabel("Update interval"); + QSpinBox *updateInterval = new QSpinBox(this); + updateInterval->setSuffix(" ms"); + updateInterval->setValue(10); + updateInterval->setToolTip("Interval for the timer that calls update().\n" + "Note that on most systems the swap will block to wait for vsync\n" + "and therefore an interval < 16 ms will likely lead to a 60 FPS update rate."); + QGroupBox *updateGroupBox = new QGroupBox(this); + QCheckBox *transparent = new QCheckBox("Transparent background", this); + transparent->setToolTip("Toggles Qt::WA_AlwaysStackOnTop and transparent clear color for glClear().\n" + "Note how the button on top stacks incorrectly when enabling this."); + QHBoxLayout *updateLayout = new QHBoxLayout; + updateLayout->addWidget(updateLabel); + updateLayout->addWidget(updateInterval); + updateLayout->addWidget(transparent); + updateGroupBox->setLayout(updateLayout); + + slider->setRange(0, 50); + slider->setSliderPosition(30); + m_timer->setInterval(10); + label->setText("A QOpenGLWidget"); + label->setAlignment(Qt::AlignHCenter); + + QGroupBox * groupBox = new QGroupBox(this); + setCentralWidget(groupBox); + groupBox->setTitle("QOpenGLWidget Example"); + + m_layout = new QGridLayout(groupBox); + + m_layout->addWidget(glwidget,1,0,8,1); + m_layout->addWidget(label,9,0,1,1); + m_layout->addWidget(updateGroupBox, 10, 0, 1, 1); + m_layout->addWidget(slider, 11,0,1,1); + + groupBox->setLayout(m_layout); + + QMenu *fileMenu = new QMenu("&File"); + QMenu *helpMenu = new QMenu("&Help"); + QMenu *showMenu = new QMenu("&Show"); + menuBar()->addMenu(fileMenu); + menuBar()->addMenu(showMenu); + menuBar()->addMenu(helpMenu); + QAction *exit = new QAction("E&xit", fileMenu); + QAction *aboutQt = new QAction("About Qt", helpMenu); + QAction *showLogo = new QAction("Show 3D Logo", showMenu); + QAction *showTexture = new QAction("Show 2D Texture", showMenu); + QAction *showBubbles = new QAction("Show bubbles", showMenu); + showBubbles->setCheckable(true); + showBubbles->setChecked(true); + fileMenu->addAction(exit); + helpMenu->addAction(aboutQt); + showMenu->addAction(showLogo); + showMenu->addAction(showTexture); + showMenu->addAction(showBubbles); + + connect(exit, SIGNAL(triggered(bool)), this, SLOT(close())); + connect(aboutQt, SIGNAL(triggered(bool)), qApp, SLOT(aboutQt())); + + connect(m_timer, SIGNAL(timeout()), glwidget, SLOT(update())); + + connect(showLogo, SIGNAL(triggered(bool)), glwidget, SLOT(setLogo())); + connect(showTexture, SIGNAL(triggered(bool)), glwidget, SLOT(setTexture())); + connect(showBubbles, SIGNAL(triggered(bool)), glwidget, SLOT(showBubbles(bool))); + connect(slider, SIGNAL(valueChanged(int)), glwidget, SLOT(setScaling(int))); + connect(transparent, &QCheckBox::toggled, glwidget, &GLWidget::setTransparent); + + connect(updateInterval, SIGNAL(valueChanged(int)), this, SLOT(updateIntervalChanged(int))); + + m_timer->start(); +} + +void MainWindow::updateIntervalChanged(int value) +{ + m_timer->setInterval(value); + m_timer->start(); +} + +void MainWindow::addNew() +{ + if (m_nextY == 4) + return; + GLWidget *w = new GLWidget(this, false, qRgb(qrand() % 256, qrand() % 256, qrand() % 256)); + connect(m_timer, SIGNAL(timeout()), w, SLOT(update())); + m_layout->addWidget(w, m_nextY, m_nextX, 1, 1); + if (m_nextX == 3) { + m_nextX = 1; + ++m_nextY; + } else { + ++m_nextX; + } +} |