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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "window.h"
#include "glwidget.h"
#include <QSlider>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QKeyEvent>
#include <QPushButton>
#include <QApplication>
#include <QMessageBox>
#include <QMainWindow>
static QMainWindow *findMainWindow()
{
for (auto *w : QApplication::topLevelWidgets()) {
if (auto *mw = qobject_cast<QMainWindow *>(w))
return mw;
}
return nullptr;
}
Window::Window()
{
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(this);
QWidget *w = new QWidget;
QHBoxLayout *container = new QHBoxLayout(w);
container->addWidget(glWidget);
container->addWidget(xSlider);
container->addWidget(ySlider);
container->addWidget(zSlider);
mainLayout->addWidget(w);
dockBtn = new QPushButton(tr("Undock"), this);
connect(dockBtn, &QPushButton::clicked, this, &Window::dockUndock);
mainLayout->addWidget(dockBtn);
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 (isWindow() && e->key() == Qt::Key_Escape)
close();
else
QWidget::keyPressEvent(e);
}
void Window::dockUndock()
{
if (parent())
undock();
else
dock();
}
void Window::dock()
{
auto *mainWindow = findMainWindow();
if (mainWindow == nullptr || !mainWindow->isVisible()) {
QMessageBox::information(this, tr("Cannot Dock"),
tr("Main window already closed"));
return;
}
if (mainWindow->centralWidget()) {
QMessageBox::information(this, tr("Cannot Dock"),
tr("Main window already occupied"));
return;
}
setAttribute(Qt::WA_DeleteOnClose, false);
dockBtn->setText(tr("Undock"));
mainWindow->setCentralWidget(this);
}
void Window::undock()
{
setParent(nullptr);
setAttribute(Qt::WA_DeleteOnClose);
const auto geometry = screen()->availableGeometry();
move(geometry.x() + (geometry.width() - width()) / 2,
geometry.y() + (geometry.height() - height()) / 2);
dockBtn->setText(tr("Dock"));
show();
}
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