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

76 lines
2.2 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2009 Lucas Murray <lmurray@undefinedfire.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KWIN_HIGHLIGHTWINDOW_H
#define KWIN_HIGHLIGHTWINDOW_H
#include <kwineffects.h>
namespace KWin
{
class HighlightWindowEffect
: public Effect
{
Q_OBJECT
public:
HighlightWindowEffect();
~HighlightWindowEffect() override;
void prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time) override;
void paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data) override;
bool isActive() const override;
int requestedEffectChainPosition() const override {
return 70;
}
bool provides(Feature feature) override;
bool perform(Feature feature, const QVariantList &arguments) override;
public Q_SLOTS:
void slotWindowAdded(KWin::EffectWindow* w);
void slotWindowClosed(KWin::EffectWindow *w);
void slotWindowDeleted(KWin::EffectWindow *w);
void slotPropertyNotify(KWin::EffectWindow* w, long atom, EffectWindow *addedWindow = nullptr);
private:
void prepareHighlighting();
void finishHighlighting();
void highlightWindows(const QVector<KWin::EffectWindow *> &windows);
bool m_finishing;
float m_fadeDuration;
QHash<EffectWindow*, float> m_windowOpacity;
long m_atom;
QList<EffectWindow*> m_highlightedWindows;
EffectWindow* m_monitorWindow;
QList<WId> m_highlightedIds;
// Offscreen position cache
/*QRect m_thumbArea; // Thumbnail area
QPoint m_arrowTip; // Position of the arrow's tip
QPoint m_arrowA; // Arrow vertex position at the base (First)
QPoint m_arrowB; // Arrow vertex position at the base (Second)
// Helper functions
inline double aspectRatio( EffectWindow *w )
{ return w->width() / double( w->height() ); }
inline int widthForHeight( EffectWindow *w, int height )
{ return int(( height / double( w->height() )) * w->width() ); }
inline int heightForWidth( EffectWindow *w, int width )
{ return int(( width / double( w->width() )) * w->height() ); }*/
};
} // namespace
#endif