qt5base-lts/examples/widgets/painting/concentriccircles/window.cpp
Lucie Gérard 05fc3aef53 Use SPDX license identifiers
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Task-number: QTBUG-67283
Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-05-16 16:37:38 +02:00

57 lines
1.4 KiB
C++

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "circlewidget.h"
#include "window.h"
#include <QtWidgets>
//! [0]
Window::Window()
{
aliasedLabel = createLabel(tr("Aliased"));
antialiasedLabel = createLabel(tr("Antialiased"));
intLabel = createLabel(tr("Int"));
floatLabel = createLabel(tr("Float"));
QGridLayout *layout = new QGridLayout;
layout->addWidget(aliasedLabel, 0, 1);
layout->addWidget(antialiasedLabel, 0, 2);
layout->addWidget(intLabel, 1, 0);
layout->addWidget(floatLabel, 2, 0);
//! [0]
//! [1]
QTimer *timer = new QTimer(this);
for (int i = 0; i < 2; ++i) {
for (int j = 0; j < 2; ++j) {
circleWidgets[i][j] = new CircleWidget;
circleWidgets[i][j]->setAntialiased(j != 0);
circleWidgets[i][j]->setFloatBased(i != 0);
connect(timer, &QTimer::timeout,
circleWidgets[i][j], &CircleWidget::nextAnimationFrame);
layout->addWidget(circleWidgets[i][j], i + 1, j + 1);
}
}
//! [1] //! [2]
timer->start(100);
setLayout(layout);
setWindowTitle(tr("Concentric Circles"));
}
//! [2]
//! [3]
QLabel *Window::createLabel(const QString &text)
{
QLabel *label = new QLabel(text);
label->setAlignment(Qt::AlignCenter);
label->setMargin(2);
label->setFrameStyle(QFrame::Box | QFrame::Sunken);
return label;
}
//! [3]