kwin/effects/thumbnailaside/thumbnailaside.h
2020-08-07 19:57:56 +00:00

80 lines
2 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2007 Lubos Lunak <l.lunak@kde.org>
SPDX-FileCopyrightText: 2007 Christian Nitschkowski <christian.nitschkowski@kdemail.net>
SPDX-License-Identifier: GPL-2.0-or-later
*/
/*
Testing of painting a window more than once.
*/
#ifndef KWIN_THUMBNAILASIDE_H
#define KWIN_THUMBNAILASIDE_H
#include <kwineffects.h>
#include <QHash>
namespace KWin
{
class ThumbnailAsideEffect
: public Effect
{
Q_OBJECT
Q_PROPERTY(int maxWidth READ configuredMaxWidth)
Q_PROPERTY(int spacing READ configuredSpacing)
Q_PROPERTY(qreal opacity READ configuredOpacity)
Q_PROPERTY(int screen READ configuredScreen)
public:
ThumbnailAsideEffect();
void reconfigure(ReconfigureFlags) override;
void paintScreen(int mask, const QRegion &region, ScreenPaintData& data) override;
void paintWindow(EffectWindow *w, int mask, QRegion region, WindowPaintData &data) override;
// for properties
int configuredMaxWidth() const {
return maxwidth;
}
int configuredSpacing() const {
return spacing;
}
qreal configuredOpacity() const {
return opacity;
}
int configuredScreen() const {
return screen;
}
private Q_SLOTS:
void toggleCurrentThumbnail();
void slotWindowClosed(KWin::EffectWindow *w);
void slotWindowFrameGeometryChanged(KWin::EffectWindow *w, const QRect &old);
void slotWindowDamaged(KWin::EffectWindow* w, const QRect& damage);
bool isActive() const override;
void repaintAll();
private:
void addThumbnail(EffectWindow* w);
void removeThumbnail(EffectWindow* w);
void arrange();
struct Data {
EffectWindow* window; // the same like the key in the hash (makes code simpler)
int index;
QRect rect;
};
QHash< EffectWindow*, Data > windows;
int maxwidth;
int spacing;
double opacity;
int screen;
QRegion painted;
};
} // namespace
#endif