qtbase-opensource-src/examples/opengl/textures/window.cpp

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3.6 KiB
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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
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** This file is part of the examples of the Qt Toolkit.
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#include <QtWidgets>
#include "glwidget.h"
#include "window.h"
Window::Window()
{
QGridLayout *mainLayout = new QGridLayout;
for (int i = 0; i < NumRows; ++i) {
for (int j = 0; j < NumColumns; ++j) {
QColor clearColor;
clearColor.setHsv(((i * NumColumns) + j) * 255
/ (NumRows * NumColumns - 1),
255, 63);
glWidgets[i][j] = new GLWidget;
glWidgets[i][j]->setClearColor(clearColor);
glWidgets[i][j]->rotateBy(+42 * 16, +42 * 16, -21 * 16);
mainLayout->addWidget(glWidgets[i][j], i, j);
connect(glWidgets[i][j], &GLWidget::clicked,
this, &Window::setCurrentGlWidget);
}
}
setLayout(mainLayout);
currentGlWidget = glWidgets[0][0];
QTimer *timer = new QTimer(this);
connect(timer, &QTimer::timeout, this, &Window::rotateOneStep);
timer->start(20);
setWindowTitle(tr("Textures"));
}
void Window::setCurrentGlWidget()
{
currentGlWidget = qobject_cast<GLWidget *>(sender());
}
void Window::rotateOneStep()
{
if (currentGlWidget)
currentGlWidget->rotateBy(+2 * 16, +2 * 16, -1 * 16);
}