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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
#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)
const auto it = m_animation_map.constFind(w);
if (it == m_animation_map.cend())
return;
QPropertyAnimation *anim = *it;
m_animation_map.erase(it);
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
}
#if QT_CONFIG(animation)
void QWidgetAnimator::animationFinished()
{
QPropertyAnimation *anim = qobject_cast<QPropertyAnimation*>(sender());
abort(static_cast<QWidget*>(anim->targetObject()));
}
#endif // animation
void QWidgetAnimator::animate(QWidget *widget, const QRect &_final_geometry, bool animate)
{
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)->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::finished,
this, &QWidgetAnimator::animationFinished);
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
{
return !m_animation_map.isEmpty();
}
QT_END_NAMESPACE
#include "moc_qwidgetanimator_p.cpp"
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