File indexing completed on 2024-11-10 04:57:11 

0001 /*
0002     KWin - the KDE window manager
0003     This file is part of the KDE project.
0004 
0005     SPDX-FileCopyrightText: 2006 Lubos Lunak <l.lunak@kde.org>
0006     SPDX-FileCopyrightText: 2010 Jorge Mata <matamax123@gmail.com>
0007     SPDX-FileCopyrightText: 2018 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
0008 
0009     SPDX-License-Identifier: GPL-2.0-or-later
0010 */
0011 
0012 #pragma once
0013 
0014 #include "effect/effect.h"
0015 
0016 class QAction;
0017 
0018 namespace KWin
0019 {
0020 class GLTexture;
0021 
0022 class TrackMouseEffect
0023     : public Effect
0024 {
0025     Q_OBJECT
0026     Q_PROPERTY(Qt::KeyboardModifiers modifiers READ modifiers)
0027     Q_PROPERTY(bool mousePolling READ isMousePolling)
0028 public:
0029     TrackMouseEffect();
0030     ~TrackMouseEffect() override;
0031     void prePaintScreen(ScreenPrePaintData &data, std::chrono::milliseconds presentTime) override;
0032     void paintScreen(const RenderTarget &renderTarget, const RenderViewport &viewport, int mask, const QRegion &region, Output *screen) override;
0033     void postPaintScreen() override;
0034     void reconfigure(ReconfigureFlags) override;
0035     bool isActive() const override;
0036 
0037     // for properties
0038     Qt::KeyboardModifiers modifiers() const
0039     {
0040         return m_modifiers;
0041     }
0042     bool isMousePolling() const
0043     {
0044         return m_mousePolling;
0045     }
0046 private Q_SLOTS:
0047     void toggle();
0048     void slotMouseChanged(const QPointF &pos, const QPointF &old,
0049                           Qt::MouseButtons buttons, Qt::MouseButtons oldbuttons,
0050                           Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers oldmodifiers);
0051 
0052 private:
0053     bool init();
0054     void loadTexture();
0055     QRect m_lastRect[2];
0056     bool m_mousePolling;
0057     float m_angle;
0058     float m_angleBase;
0059     std::unique_ptr<GLTexture> m_texture[2];
0060     QAction *m_action;
0061     QImage m_image[2];
0062     Qt::KeyboardModifiers m_modifiers;
0063 
0064     enum class State {
0065         ActivatedByModifiers,
0066         ActivatedByShortcut,
0067         Inactive
0068     };
0069     State m_state = State::Inactive;
0070 };
0071 
0072 } // namespace