window.cpp Example File
hellogl2/window.cpp
#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, &QSlider::valueChanged, glWidget, &GLWidget::setXRotation);
connect(glWidget, &GLWidget::xRotationChanged, xSlider, &QSlider::setValue);
connect(ySlider, &QSlider::valueChanged, glWidget, &GLWidget::setYRotation);
connect(glWidget, &GLWidget::yRotationChanged, ySlider, &QSlider::setValue);
connect(zSlider, &QSlider::valueChanged, glWidget, &GLWidget::setZRotation);
connect(glWidget, &GLWidget::zRotationChanged, zSlider, &QSlider::setValue);
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, &QPushButton::clicked, this, &Window::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"));
}
}
}