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99 lines
3.1 KiB
99 lines
3.1 KiB
/******************************************************************** |
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KWin - the KDE window manager |
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This file is part of the KDE project. |
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Copyright (C) 2012 Filip Wieladek <wattos@gmail.com> |
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Copyright (C) 2016 Martin Gräßlin <mgraesslin@kde.org> |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*********************************************************************/ |
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#ifndef KWIN_TOUCHPOINTS_H |
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#define KWIN_TOUCHPOINTS_H |
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#include <kwineffects.h> |
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namespace KWin |
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{ |
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class TouchPointsEffect |
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: public Effect |
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{ |
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Q_OBJECT |
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Q_PROPERTY(qreal lineWidth READ lineWidth) |
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Q_PROPERTY(int ringLife READ ringLife) |
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Q_PROPERTY(int ringSize READ ringSize) |
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Q_PROPERTY(int ringCount READ ringCount) |
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public: |
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TouchPointsEffect(); |
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~TouchPointsEffect(); |
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void prePaintScreen(ScreenPrePaintData& data, int time) override; |
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void paintScreen(int mask, QRegion region, ScreenPaintData& data) override; |
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void postPaintScreen() override; |
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bool isActive() const override; |
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bool touchDown(quint32 id, const QPointF &pos, quint32 time) override; |
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bool touchMotion(quint32 id, const QPointF &pos, quint32 time) override; |
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bool touchUp(quint32 id, quint32 time) override; |
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// for properties |
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qreal lineWidth() const { |
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return m_lineWidth; |
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} |
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int ringLife() const { |
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return m_ringLife; |
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} |
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int ringSize() const { |
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return m_ringMaxSize; |
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} |
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int ringCount() const { |
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return m_ringCount; |
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} |
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private: |
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inline void drawCircle(const QColor& color, float cx, float cy, float r); |
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inline void paintScreenSetup(int mask, QRegion region, ScreenPaintData& data); |
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inline void paintScreenFinish(int mask, QRegion region, ScreenPaintData& data); |
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void repaint(); |
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float computeAlpha(int time, int ring); |
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float computeRadius(int time, bool press, int ring); |
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void drawCircleGl(const QColor& color, float cx, float cy, float r); |
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void drawCircleXr(const QColor& color, float cx, float cy, float r); |
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void drawCircleQPainter(const QColor& color, float cx, float cy, float r); |
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void paintScreenSetupGl(int mask, QRegion region, ScreenPaintData& data); |
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void paintScreenFinishGl(int mask, QRegion region, ScreenPaintData& data); |
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Qt::GlobalColor colorForId(quint32 id); |
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int m_ringCount = 2; |
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float m_lineWidth = 1.0; |
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int m_ringLife = 300; |
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float m_ringMaxSize = 20.0; |
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struct TouchPoint { |
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QPointF pos; |
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int time = 0; |
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bool press; |
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QColor color; |
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}; |
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QVector<TouchPoint> m_points; |
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QHash<quint32, QPointF> m_latestPositions; |
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QHash<quint32, Qt::GlobalColor> m_colors; |
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}; |
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} // namespace |
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#endif
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