qwidgetanimator.cpp

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#include "qwidgetanimator_p.h"

#if QT_CONFIG(animation)

#include <QtCore/qpropertyanimation.h>

#endif

#include <QtWidgets/qwidget.h>

#include <QtWidgets/qstyle.h>

#if QT_CONFIG(mainwindow)

#include <private/qmainwindowlayout_p.h>

#endif

QT_BEGIN_NAMESPACE

QWidgetAnimator::QWidgetAnimator(QMainWindowLayout *layout)

#if QT_CONFIG(mainwindow)

: m_mainWindowLayout(layout)

#endif

    Q_UNUSED(layout);

void QWidgetAnimator::abort(QWidget *w)

#if QT_CONFIG(animation)

    QPropertyAnimation *anim = m_animation_map.take(w);

    if (anim)

        anim->stop();

#if QT_CONFIG(mainwindow)

    m_mainWindowLayout->animationFinished(w);

#endif

#else

    Q_UNUSED(w); //there is no animation to abort

#endif // animation

void QWidgetAnimator::animate(QWidget *widget, const QRect &_final_geometry, AnimationRule rule)

    bool animate = rule == AnimationRule::Run;

    QRect r = widget->geometry();

    if (r.right() < 0 || r.bottom() < 0)

        r = QRect();

    animate = animate && !r.isNull() && !_final_geometry.isNull();

    // might make the widget go away by sending it to negative space

    const QRect final_geometry = _final_geometry.isValid() || widget->isWindow() ? _final_geometry :

        QRect(QPoint(-500 - widget->width(), -500 - widget->height()), widget->size());

#if QT_CONFIG(animation)

    //If the QStyle has animations, animate

    if (const int animationDuration = widget->style()->styleHint(QStyle::SH_Widget_Animation_Duration, nullptr, widget)) {

        AnimationMap::const_iterator it = m_animation_map.constFind(widget);

        if (it != m_animation_map.constEnd() && *it && (*it)->endValue().toRect() == final_geometry)

            return;

        QPropertyAnimation *anim = new QPropertyAnimation(widget, "geometry", widget);

        anim->setDuration(animate ? animationDuration : 0);

        anim->setEasingCurve(QEasingCurve::InOutQuad);

        anim->setEndValue(final_geometry);

        m_animation_map[widget] = anim;

        connect(anim, &QPropertyAnimation::destroyed, this, [this, widget]() { abort(widget); });

        anim->start(QPropertyAnimation::DeleteWhenStopped);

    } else

#endif // animation

    //we do it in one shot

    widget->setGeometry(final_geometry);

#if QT_CONFIG(mainwindow)

    m_mainWindowLayout->animationFinished(widget);

#endif // QT_CONFIG(mainwindow)

bool QWidgetAnimator::animating() const

    auto isActiveAnimation = [](const QPointer<QPropertyAnimation> &p) { return !p.isNull(); };

    return !std::all_of(m_animation_map.begin(), m_animation_map.end(), isActiveAnimation);

QT_END_NAMESPACE

#include "moc_qwidgetanimator_p.cpp"