aerothemeplasma-kde6/KWin/decoration/breeze-v5.93.0/kdecoration/breezebutton.h
2024-06-13 16:59:18 +02:00

155 lines
3.3 KiB
C++
Executable file

/*
* SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
* SPDX-FileCopyrightText: 2014 Hugo Pereira Da Costa <hugo.pereira@free.fr>
*
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#pragma once
#include "breezedecoration.h"
#include <KDecoration2/DecorationButton>
#include <QHash>
#include <QImage>
#include <QHoverEvent>
#include <QPropertyAnimation>
class QVariantAnimation;
namespace Breeze
{
class Button : public KDecoration2::DecorationButton
{
Q_OBJECT
Q_PROPERTY(qreal hoverProgress READ hoverProgress WRITE setHoverProgress);
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;
}
//@}
qreal hoverProgress() const;
void setHoverProgress(qreal hoverProgress);
void smodPaintGlow(QPainter *painter, const QRect &repaintArea);
signals:
void buttonHoverStatus(KDecoration2::DecorationButtonType button, bool hovered, QPoint pos);
protected:
void hoverEnterEvent(QHoverEvent *event) override;
void hoverLeaveEvent(QHoverEvent *event) override;
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;
void startHoverAnimation(qreal endValue);
void smodPaint(QPainter *painter, const QRect &repaintRegion);
//*@name colors
//@{
QColor foregroundColor() const;
QColor backgroundColor() const;
//@}
Flag m_flag = FlagNone;
//* active state change animation
QVariantAnimation *m_animation;
//* vertical offset (for rendering)
QPointF m_offset;
//* icon size
QSize m_iconSize;
//* active state change opacity
qreal m_opacity = 0;
QPointer<QPropertyAnimation> m_hoverAnimation;
qreal m_hoverProgress;
};
} // namespace