214 lines
5.6 KiB
C++
214 lines
5.6 KiB
C++
/********************************************************************
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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) 2013, 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_POINTER_INPUT_H
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#define KWIN_POINTER_INPUT_H
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#include "input.h"
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#include <QElapsedTimer>
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#include <QObject>
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#include <QPointer>
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#include <QPointF>
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class QWindow;
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namespace KWayland
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{
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namespace Server
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{
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class SurfaceInterface;
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}
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}
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namespace KWin
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{
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class CursorImage;
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class InputRedirection;
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class Toplevel;
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class WaylandCursorTheme;
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namespace Decoration
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{
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class DecoratedClientImpl;
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}
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namespace LibInput
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{
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class Device;
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}
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class KWIN_EXPORT PointerInputRedirection : public InputDeviceHandler
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{
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Q_OBJECT
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public:
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explicit PointerInputRedirection(InputRedirection *parent);
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virtual ~PointerInputRedirection();
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void init();
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void update();
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void updateAfterScreenChange();
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bool supportsWarping() const;
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void warp(const QPointF &pos);
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QPointF pos() const {
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return m_pos;
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}
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Qt::MouseButtons buttons() const {
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return m_qtButtons;
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}
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QImage cursorImage() const;
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QPoint cursorHotSpot() const;
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void markCursorAsRendered();
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void setEffectsOverrideCursor(Qt::CursorShape shape);
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void removeEffectsOverrideCursor();
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/**
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* @internal
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*/
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void processMotion(const QPointF &pos, uint32_t time, LibInput::Device *device = nullptr);
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/**
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* @internal
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*/
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void processButton(uint32_t button, InputRedirection::PointerButtonState state, uint32_t time, LibInput::Device *device = nullptr);
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/**
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* @internal
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*/
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void processAxis(InputRedirection::PointerAxis axis, qreal delta, uint32_t time, LibInput::Device *device = nullptr);
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/**
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* @internal
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*/
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void processSwipeGestureBegin(int fingerCount, quint32 time, KWin::LibInput::Device *device = nullptr);
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/**
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* @internal
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*/
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void processSwipeGestureUpdate(const QSizeF &delta, quint32 time, KWin::LibInput::Device *device = nullptr);
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/**
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* @internal
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*/
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void processSwipeGestureEnd(quint32 time, KWin::LibInput::Device *device = nullptr);
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/**
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* @internal
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*/
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void processSwipeGestureCancelled(quint32 time, KWin::LibInput::Device *device = nullptr);
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/**
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* @internal
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*/
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void processPinchGestureBegin(int fingerCount, quint32 time, KWin::LibInput::Device *device = nullptr);
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/**
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* @internal
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*/
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void processPinchGestureUpdate(qreal scale, qreal angleDelta, const QSizeF &delta, quint32 time, KWin::LibInput::Device *device = nullptr);
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/**
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* @internal
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*/
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void processPinchGestureEnd(quint32 time, KWin::LibInput::Device *device = nullptr);
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/**
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* @internal
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*/
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void processPinchGestureCancelled(quint32 time, KWin::LibInput::Device *device = nullptr);
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private:
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void updateOnStartMoveResize();
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void updatePosition(const QPointF &pos);
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void updateButton(uint32_t button, InputRedirection::PointerButtonState state);
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void warpXcbOnSurfaceLeft(KWayland::Server::SurfaceInterface *surface);
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CursorImage *m_cursor;
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bool m_inited = false;
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bool m_supportsWarping;
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QPointF m_pos;
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QHash<uint32_t, InputRedirection::PointerButtonState> m_buttons;
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Qt::MouseButtons m_qtButtons;
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QMetaObject::Connection m_windowGeometryConnection;
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QMetaObject::Connection m_internalWindowConnection;
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};
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class CursorImage : public QObject
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{
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Q_OBJECT
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public:
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explicit CursorImage(PointerInputRedirection *parent = nullptr);
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virtual ~CursorImage();
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void setEffectsOverrideCursor(Qt::CursorShape shape);
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void removeEffectsOverrideCursor();
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QImage image() const;
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QPoint hotSpot() const;
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void markAsRendered();
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Q_SIGNALS:
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void changed();
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private:
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void reevaluteSource();
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void update();
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void updateServerCursor();
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void updateDecoration();
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void updateDecorationCursor();
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void updateMoveResize();
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void updateDrag();
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void updateDragCursor();
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void loadTheme();
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struct Image {
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QImage image;
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QPoint hotSpot;
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};
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void loadThemeCursor(Qt::CursorShape shape, Image *image);
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enum class CursorSource {
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LockScreen,
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EffectsOverride,
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MoveResize,
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PointerSurface,
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Decoration,
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DragAndDrop,
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Fallback
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};
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void setSource(CursorSource source);
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PointerInputRedirection *m_pointer;
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CursorSource m_currentSource = CursorSource::Fallback;
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WaylandCursorTheme *m_cursorTheme = nullptr;
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struct {
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QMetaObject::Connection connection;
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QImage image;
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QPoint hotSpot;
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} m_serverCursor;
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Image m_effectsCursor;
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Image m_decorationCursor;
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QMetaObject::Connection m_decorationConnection;
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Image m_fallbackCursor;
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Image m_moveResizeCursor;
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QHash<Qt::CursorShape, Image> m_cursors;
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QElapsedTimer m_surfaceRenderedTimer;
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struct {
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Image cursor;
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QMetaObject::Connection connection;
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} m_drag;
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};
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}
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#endif
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