File indexing completed on 2024-06-16 05:05:52 

0001 /*
0002     KWin - the KDE window manager
0003     This file is part of the KDE project.
0004 
0005     SPDX-FileCopyrightText: 2009 Michael Zanetti <michael_zanetti@gmx.net>
0006 
0007     SPDX-License-Identifier: GPL-2.0-or-later
0008 */
0009 
0010 #pragma once
0011 
0012 // Include with base class for effects.
0013 #include "effect/effect.h"
0014 #include "plugins/slideback/motionmanager.h"
0015 
0016 namespace KWin
0017 {
0018 
0019 class SlideBackEffect
0020     : public Effect
0021 {
0022     Q_OBJECT
0023 public:
0024     SlideBackEffect();
0025 
0026     void prePaintWindow(EffectWindow *w, WindowPrePaintData &data, std::chrono::milliseconds presentTime) override;
0027     void paintWindow(const RenderTarget &renderTarget, const RenderViewport &viewport, EffectWindow *w, int mask, QRegion region, WindowPaintData &data) override;
0028     void postPaintWindow(EffectWindow *w) override;
0029 
0030     void prePaintScreen(ScreenPrePaintData &data, std::chrono::milliseconds presentTime) override;
0031     void postPaintScreen() override;
0032     bool isActive() const override;
0033 
0034     int requestedEffectChainPosition() const override
0035     {
0036         return 50;
0037     }
0038 
0039 public Q_SLOTS:
0040     void slotWindowAdded(KWin::EffectWindow *w);
0041     void slotWindowDeleted(KWin::EffectWindow *w);
0042     void slotWindowUnminimized(KWin::EffectWindow *w);
0043     void slotStackingOrderChanged();
0044     void slotTabBoxAdded();
0045     void slotTabBoxClosed();
0046 
0047 private:
0048     WindowMotionManager motionManager;
0049     QList<EffectWindow *> usableOldStackingOrder;
0050     QList<EffectWindow *> oldStackingOrder;
0051     QList<EffectWindow *> coveringWindows;
0052     QList<EffectWindow *> elevatedList;
0053     EffectWindow *m_justMapped, *m_upmostWindow;
0054     QHash<EffectWindow *, QRect> destinationList;
0055     int m_tabboxActive;
0056     QList<QRegion> clippedRegions;
0057     std::chrono::milliseconds m_lastPresentTime = std::chrono::milliseconds::zero();
0058 
0059     QRect getSlideDestination(const QRect &windowUnderGeometry, const QRect &windowOverGeometry);
0060     bool isWindowUsable(EffectWindow *w);
0061     bool intersects(EffectWindow *windowUnder, const QRect &windowOverGeometry);
0062     QList<EffectWindow *> usableWindows(const QList<EffectWindow *> &allWindows);
0063     QRect getModalGroupGeometry(EffectWindow *w);
0064     void windowRaised(EffectWindow *w);
0065 };
0066 
0067 } // namespace