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/*
* Copyright 2014 Martin Gräßlin <mgraesslin@kde.org>
*
* 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/>.
*/
#ifndef BREEZE_BUTTONS_H
#define BREEZE_BUTTONS_H
#include <KDecoration2/DecorationButton>
#include "breezedeco.h"
#include <QHash>
#include <QImage>
uint qHash(const QPalette &pal);
namespace Breeze
{
class Button;
enum class ButtonState : uint {
Normal,
Disabled,
Hovered,
Pressed,
Checked,
CheckedHovered,
CheckedPressed
};
inline uint qHash(const ButtonState &state) {
return static_cast<uint>(state);
}
class ImageProvider final
{
public:
~ImageProvider();
static ImageProvider *self();
const QImage &button(Button *decorationButton);
void clearCache(Button *decorationButton);
void invalidate();
private:
ImageProvider();
QImage renderButton(Button *decorationButton) const;
void renderCloseButton(QPainter *p, Button *decorationButton) const;
void renderShadeButton(QPainter *p, Button *decorationButton) const;
void renderMaximizeButton(QPainter *p, Button *decorationButton) const;
void renderOnAllDesktopsButton(QPainter *p, Button *decorationButton) const;
void drawGenericButtonBackground(QPainter *painter, Button *decorationButton) const;
void drawBackground(QPainter *painter, Button *decorationButton, const QColor &color) const;
void drawDownArrow(QPainter *painter, Button *decorationButton, const QPointF &offset = QPointF(0.0, 0.0)) const;
void drawUpArrow(QPainter *painter, Button *decorationButton, const QPointF &offset = QPointF(0.0, 0.0)) const;
QColor foregroundColor(Button *decorationButton) const;
const ColorSettings &colorSettings(Button *decorationButton) const;
const ColorSettings &colorSettings(const QPalette &pal) const;
static ImageProvider *s_self;
typedef QHash<ButtonState, QImage> ImagesForButtonState;
typedef QHash<bool, ImagesForButtonState> ImagesForDecoState;
typedef QHash<KDecoration2::DecorationButtonType, ImagesForDecoState> ImagesForButton;
QHash<QPalette, ImagesForButton> m_images;
QList<ColorSettings> m_colorSettings;
};
class Button : public KDecoration2::DecorationButton
{
Q_OBJECT
public:
virtual ~Button();
void paint(QPainter *painter) override;
static Button *create(KDecoration2::DecorationButtonType type, KDecoration2::Decoration *decoration, QObject *parent);
private:
explicit Button(KDecoration2::DecorationButtonType type, Decoration *decoration, QObject *parent = nullptr);
};
} // namespace
#endif