/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
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****************************************************************************/

#include <qbaselinetest.h>
#include <qwidgetbaselinetest.h>
#include <QtWidgets>

class tst_Widgets : public QWidgetBaselineTest
{
    Q_OBJECT

public:
    tst_Widgets() = default;

private slots:
    void tst_QSlider_data();
    void tst_QSlider();

    void tst_QPushButton_data();
    void tst_QPushButton();
};

void tst_Widgets::tst_QSlider_data()
{
    QTest::addColumn<Qt::Orientation>("orientation");
    QTest::addColumn<QSlider::TickPosition>("tickPosition");

    QBaselineTest::newRow("horizontal") << Qt::Horizontal << QSlider::NoTicks;
    QBaselineTest::newRow("horizontal ticks above") << Qt::Horizontal << QSlider::TicksAbove;
    QBaselineTest::newRow("horizontal ticks below") << Qt::Horizontal << QSlider::TicksBelow;
    QBaselineTest::newRow("horizontal ticks both") << Qt::Horizontal << QSlider::TicksBothSides;
    QBaselineTest::newRow("vertical") << Qt::Vertical << QSlider::NoTicks;
    QBaselineTest::newRow("vertical ticks left") << Qt::Vertical << QSlider::TicksLeft;
    QBaselineTest::newRow("vertical ticks right") << Qt::Vertical << QSlider::TicksRight;
    QBaselineTest::newRow("vertical ticks both") << Qt::Vertical << QSlider::TicksBothSides;
}

void tst_Widgets::tst_QSlider()
{
    struct PublicSlider : QSlider { friend tst_Widgets; };
    QFETCH(Qt::Orientation, orientation);
    QFETCH(QSlider::TickPosition, tickPosition);

    QBoxLayout *box = new QBoxLayout(orientation == Qt::Horizontal ? QBoxLayout::TopToBottom
                                                                   : QBoxLayout::LeftToRight);
    QList<QSlider*> _sliders;
    for (int i = 0; i < 3; ++i) {
        QSlider *slider = new QSlider;
        slider->setOrientation(orientation);
        slider->setTickPosition(tickPosition);
        _sliders << slider;
        box->addWidget(slider);
    }
    const auto sliders = _sliders;

    testWindow()->setLayout(box);

    // we want to see sliders with different values
    int value = 0;
    for (const auto &slider : sliders)
        slider->setValue(value += 33);

    takeStandardSnapshots();

    PublicSlider *slider = static_cast<PublicSlider*>(sliders.first());
    QStyleOptionSlider sliderOptions;
    slider->initStyleOption(&sliderOptions);
    const QRect handleRect = slider->style()->subControlRect(QStyle::CC_Slider, &sliderOptions,
                                                             QStyle::SubControl::SC_SliderHandle, slider);
    QTest::mousePress(slider, Qt::LeftButton, {}, handleRect.center());
    QBASELINE_CHECK(takeSnapshot(), "pressed");
    QTest::mouseRelease(slider, Qt::LeftButton, {}, handleRect.center());
    QBASELINE_CHECK(takeSnapshot(), "released");

    slider->setSliderDown(true);
    QBASELINE_CHECK(takeSnapshot(), "down");

    sliders.first()->setSliderDown(false);
    QBASELINE_CHECK(takeSnapshot(), "notdown");
}

void tst_Widgets::tst_QPushButton_data()
{
    QTest::addColumn<bool>("isFlat");

    QBaselineTest::newRow("normal") << false;
    QBaselineTest::newRow("flat") << true;
}

void tst_Widgets::tst_QPushButton()
{
    QFETCH(bool, isFlat);

    QVBoxLayout *vbox = new QVBoxLayout;
    QPushButton *testButton = new QPushButton("Ok");
    testButton->setFlat(isFlat);
    vbox->addWidget(testButton);

    testWindow()->setLayout(vbox);
    takeStandardSnapshots();

    testButton->setDown(true);
    QBASELINE_CHECK(takeSnapshot(), "down");
    testButton->setDown(false);
    QBASELINE_CHECK(takeSnapshot(), "up");

    testButton->setDefault(true);
    QBASELINE_CHECK(takeSnapshot(), "default_up");
    testButton->setDown(true);
    QBASELINE_CHECK(takeSnapshot(), "default_down");
    testButton->setDown(false);
}


#define main _realmain
QTEST_MAIN(tst_Widgets)
#undef main

int main(int argc, char *argv[])
{
    qSetGlobalQHashSeed(0);   // Avoid rendering variations caused by QHash randomization

    QBaselineTest::handleCmdLineArgs(&argc, &argv);
    return _realmain(argc, argv);
}

#include "tst_baseline_widgets.moc"