examples/opengl/hellogl_es/mainwindow.cpp

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  41
  42 #include "mainwindow.h"
  43
  44 #include <QApplication>
  45 #include <QMenuBar>
  46 #include <QGroupBox>
  47 #include <QGridLayout>
  48 #include <QSlider>
  49 #include <QLabel>
  50 #include <QTimer>
  51
  52 #include "glwidget.h"
  53
  54 MainWindow::MainWindow()
  55 {
  56     GLWidget *glwidget = new GLWidget();
  57     QLabel *label = new QLabel(this);
  58     QTimer *timer = new QTimer(this);
  59     QSlider *slider = new QSlider(this);
  60     slider->setOrientation(Qt::Horizontal);
  61
  62     slider->setRange(0, 100);
  63     slider->setSliderPosition(50);
  64     timer->setInterval(10);
  65     label->setText("A QGlWidget with OpenGl ES");
  66     label->setAlignment(Qt::AlignHCenter);
  67
  68     QGroupBox * groupBox = new QGroupBox(this);
  69     setCentralWidget(groupBox);
  70     groupBox->setTitle("OpenGL ES Example");
  71
  72     QGridLayout *layout = new QGridLayout(groupBox);
  73
  74     layout->addWidget(glwidget,1,0,8,1);
  75     layout->addWidget(label,9,0,1,1);
  76     layout->addWidget(slider, 11,0,1,1);
  77
  78     groupBox->setLayout(layout);
  79
  80     QMenu *fileMenu = new QMenu("File");
  81     QMenu *helpMenu = new QMenu("Help");
  82     QMenu *showMenu = new QMenu("Show");
  83     menuBar()->addMenu(fileMenu);
  84     menuBar()->addMenu(showMenu);
  85     menuBar()->addMenu(helpMenu);
  86     QAction *exit = new QAction("Exit", fileMenu);
  87     QAction *aboutQt = new QAction("AboutQt", helpMenu);
  88     QAction *showLogo = new QAction("Show 3D Logo", showMenu);
  89     QAction *showTexture = new QAction("Show 2D Texture", showMenu);
  90     QAction *showBubbles = new QAction("Show bubbles", showMenu);
  91     showBubbles->setCheckable(true);
  92     showBubbles->setChecked(true);
  93     fileMenu->addAction(exit);
  94     helpMenu->addAction(aboutQt);
  95     showMenu->addAction(showLogo);
  96     showMenu->addAction(showTexture);
  97     showMenu->addAction(showBubbles);
  98
  99     QObject::connect(timer, SIGNAL(timeout()), glwidget, SLOT(updateGL()));
 100     QObject::connect(exit, SIGNAL(triggered(bool)), this, SLOT(close()));
 101     QObject::connect(aboutQt, SIGNAL(triggered(bool)), qApp, SLOT(aboutQt()));
 102
 103     QObject::connect(showLogo, SIGNAL(triggered(bool)), glwidget, SLOT(setLogo()));
 104     QObject::connect(showTexture, SIGNAL(triggered(bool)), glwidget, SLOT(setTexture()));
 105     QObject::connect(showBubbles, SIGNAL(triggered(bool)), glwidget, SLOT(showBubbles(bool)));
 106     QObject::connect(slider, SIGNAL(valueChanged(int)), glwidget, SLOT(setScaling(int)));
 107     timer->start();
 108 }