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breezebutton.h
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breezebutton.h
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#ifndef BREEZE_BUTTONS_H
#define BREEZE_BUTTONS_H
/*
* Copyright 2014 Martin Gräßlin <mgraesslin@kde.org>
* Copyright 2014 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) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <KDecoration2/DecorationButton>
#include "breezedecoration.h"
#include <QHash>
#include <QImage>
#include <QPropertyAnimation>
namespace Breeze
{
class Button : public KDecoration2::DecorationButton
{
Q_OBJECT
//* declare active state opacity
Q_PROPERTY( qreal opacity READ opacity WRITE setOpacity )
public:
//* constructor
explicit Button(QObject *parent, const QVariantList &args);
//* destructor
virtual ~Button() = default;
//* button creation
static Button *create(KDecoration2::DecorationButtonType type, KDecoration2::Decoration *decoration, QObject *parent);
//* render
virtual void paint(QPainter *painter, const QRect &repaintRegion) override;
//* flag
enum Flag
{
FlagNone,
FlagStandalone,
FlagFirstInList,
FlagLastInList
};
//* flag
void setFlag( Flag value )
{ m_flag = value; }
//* standalone buttons
bool isStandAlone() const { return m_flag == FlagStandalone; }
//* offset
void setOffset( const QPointF& value )
{ m_offset = value; }
//* horizontal offset, for rendering
void setHorizontalOffset( qreal value )
{ m_offset.setX( value ); }
//* vertical offset, for rendering
void setVerticalOffset( qreal value )
{ m_offset.setY( value ); }
//* set icon size
void setIconSize( const QSize& value )
{ m_iconSize = value; }
//*@name active state change animation
//@{
void setOpacity( qreal value )
{
if( m_opacity == value ) return;
m_opacity = value;
update();
}
qreal opacity() const
{ return m_opacity; }
//@}
private Q_SLOTS:
//* apply configuration changes
void reconfigure();
//* animation state
void updateAnimationState(bool);
private:
//* private constructor
explicit Button(KDecoration2::DecorationButtonType type, Decoration *decoration, QObject *parent = nullptr);
//* draw button icon
void drawIcon( QPainter *) const;
//*@name colors
//@{
QColor foregroundColor() const;
QColor backgroundColor() const;
//@}
Flag m_flag = FlagNone;
//* active state change animation
QPropertyAnimation *m_animation;
//* vertical offset (for rendering)
QPointF m_offset;
//* icon size
QSize m_iconSize;
//* active state change opacity
qreal m_opacity = 0;
};
} // namespace
#endif