aerothemeplasma/kwin/decoration/breeze-v5.93.0/kstyle/animations/breezescrollbarengine.cpp
2024-08-09 03:20:25 +02:00

82 lines
2.7 KiB
C++

/*
* SPDX-FileCopyrightText: 2014 Hugo Pereira Da Costa <hugo.pereira@free.fr>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "breezescrollbarengine.h"
#include <QEvent>
namespace Breeze
{
//____________________________________________________________
bool ScrollBarEngine::registerWidget(QObject *target, AnimationModes modes)
{
// check widget
if (!target) {
return false;
}
// only handle hover and focus
if (modes & AnimationHover && !dataMap(AnimationHover).contains(target)) {
dataMap(AnimationHover).insert(target, new ScrollBarData(this, target, duration()), enabled());
}
if (modes & AnimationFocus && !dataMap(AnimationFocus).contains(target)) {
dataMap(AnimationFocus).insert(target, new WidgetStateData(this, target, duration()), enabled());
}
// connect destruction signal
connect(target, &QObject::destroyed, this, &ScrollBarEngine::unregisterWidget, Qt::UniqueConnection);
return true;
}
//____________________________________________________________
bool ScrollBarEngine::isAnimated(const QObject *object, AnimationMode mode, QStyle::SubControl control)
{
if (mode == AnimationHover) {
if (DataMap<WidgetStateData>::Value data = this->data(object, AnimationHover)) {
const ScrollBarData *scrollBarData(static_cast<const ScrollBarData *>(data.data()));
const Animation::Pointer &animation = scrollBarData->animation(control);
return animation.data()->isRunning();
} else {
return false;
}
} else if (control == QStyle::SC_ScrollBarSlider) {
return WidgetStateEngine::isAnimated(object, mode);
} else {
return false;
}
}
//____________________________________________________________
AnimationMode ScrollBarEngine::animationMode(const QObject *object, QStyle::SubControl control)
{
// enable state
if (isAnimated(object, AnimationHover, control)) {
return AnimationHover;
} else if (isAnimated(object, AnimationFocus, control)) {
return AnimationFocus;
} else if (isAnimated(object, AnimationPressed, control)) {
return AnimationPressed;
} else {
return AnimationNone;
}
}
//____________________________________________________________
qreal ScrollBarEngine::opacity(const QObject *object, QStyle::SubControl control)
{
if (isAnimated(object, AnimationHover, control)) {
return static_cast<const ScrollBarData *>(data(object, AnimationHover).data())->opacity(control);
} else if (control == QStyle::SC_ScrollBarSlider) {
return WidgetStateEngine::buttonOpacity(object);
}
return AnimationData::OpacityInvalid;
}
}