File indexing completed on 2024-05-19 04:01:55 

0001 /*
0002     SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
0003     SPDX-FileCopyrightText: 2015 Marco Martin <mart@kde.org>
0004 
0005     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
0006 */
0007 #ifndef WINDOWEFFECTS_H
0008 #define WINDOWEFFECTS_H
0009 #include "kwindoweffects_p.h"
0010 #include <kwindowsystem_version.h>
0011 
0012 #include <QHash>
0013 #include <QObject>
0014 #include <QPointer>
0015 
0016 class BlurManager;
0017 class Blur;
0018 class ContrastManager;
0019 class Contrast;
0020 class SlideManager;
0021 
0022 class WindowEffects : public QObject, public KWindowEffectsPrivate
0023 {
0024     Q_OBJECT
0025 public:
0026     WindowEffects();
0027     ~WindowEffects() override;
0028 
0029     bool eventFilter(QObject *watched, QEvent *event) override;
0030     void trackWindow(QWindow *window);
0031     void releaseWindow(QWindow *window);
0032 
0033     bool isEffectAvailable(KWindowEffects::Effect effect) override;
0034     void slideWindow(QWindow *window, KWindowEffects::SlideFromLocation location, int offset) override;
0035     void enableBlurBehind(QWindow *window, bool enable = true, const QRegion &region = QRegion()) override;
0036     void enableBackgroundContrast(QWindow *window,
0037                                   bool enable = true,
0038                                   qreal contrast = 1,
0039                                   qreal intensity = 1,
0040                                   qreal saturation = 1,
0041                                   const QRegion &region = QRegion()) override;
0042 
0043 private:
0044     void installContrast(QWindow *window, bool enable = true, qreal contrast = 1, qreal intensity = 1, qreal saturation = 1, const QRegion &region = QRegion());
0045     void installBlur(QWindow *window, bool enable, const QRegion &region);
0046     void installSlide(QWindow *window, KWindowEffects::SlideFromLocation location, int offset);
0047 
0048     void resetBlur(QWindow *window, Blur *blur = nullptr);
0049     void resetContrast(QWindow *window, Contrast *contrast = nullptr);
0050 
0051     QHash<QWindow *, QList<QMetaObject::Connection>> m_windowWatchers;
0052     QHash<QWindow *, QRegion> m_blurRegions;
0053     struct BackgroundContrastData {
0054         qreal contrast = 1;
0055         qreal intensity = 1;
0056         qreal saturation = 1;
0057         QRegion region;
0058     };
0059     QHash<QWindow *, BackgroundContrastData> m_backgroundConstrastRegions;
0060     QHash<QWindow *, QPointer<Blur>> m_blurs;
0061     QHash<QWindow *, QPointer<Contrast>> m_contrasts;
0062     struct SlideData {
0063         KWindowEffects::SlideFromLocation location;
0064         int offset;
0065     };
0066     QHash<QWindow *, SlideData> m_slideMap;
0067     BlurManager *m_blurManager;
0068     ContrastManager *m_contrastManager;
0069     SlideManager *m_slideManager;
0070 };
0071 
0072 #endif