/*************************************************************************
* Copyright (C) 2014 by Hugo Pereira Da Costa <hugo.pereira@free.fr> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
*************************************************************************/
#include "adwaitascrollbarengine.h"
#include <QEvent>
namespace Adwaita
{
//____________________________________________________________
bool ScrollBarEngine::registerWidget(QWidget *widget, AnimationModes mode)
{
// check widget
if (!widget) return false;
// only handle hover and focus
if (mode & AnimationHover && !dataMap(AnimationHover).contains(widget)) {
dataMap(AnimationHover).insert(widget, new ScrollBarData(this, widget, duration()), enabled());
}
if (mode & AnimationFocus && !dataMap(AnimationFocus).contains(widget)) {
dataMap(AnimationFocus).insert(widget, new WidgetStateData(this, widget, duration()), enabled());
}
// connect destruction signal
connect(widget, SIGNAL(destroyed(QObject *)), this, SLOT(unregisterWidget(QObject *)), 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()));
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;
}
} // namespace Adwaita