kwin/effects/colorpicker/colorpicker.h

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2016 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) 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, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef KWIN_COLORPICKER_H
#define KWIN_COLORPICKER_H
#include <kwineffects.h>
#include <QDBusContext>
#include <QDBusMessage>
#include <QDBusUnixFileDescriptor>
#include <QObject>
#include <QColor>
namespace KWin
{
class ColorPickerEffect : public Effect, protected QDBusContext
{
Q_OBJECT
Q_CLASSINFO("D-Bus Interface", "org.kde.kwin.ColorPicker")
public:
ColorPickerEffect();
virtual ~ColorPickerEffect();
void paintScreen(int mask, QRegion region, ScreenPaintData &data) override;
void postPaintScreen() override;
bool isActive() const override;
int requestedEffectChainPosition() const override {
return 50;
}
static bool supported();
public Q_SLOTS:
Q_SCRIPTABLE QColor pick();
private:
void showInfoMessage();
void hideInfoMessage();
QDBusMessage m_replyMessage;
QRect m_cachedOutputGeometry;
QPoint m_scheduledPosition;
bool m_picking = false;
QScopedPointer<EffectFrame> m_infoFrame;
};
} // namespace
#endif