kwin/plugins/platforms/x11/standalone/x11cursor.h
Martin Flöser 6f99b57736 Move XFixes cursor change tracking into the x11 standalone platform
Summary:
A dedicated X11EventFilter is added and created from the X11Cursor in
case we have XFixes. This means some more X11 specific code is now only
on X11.

Test Plan: Only compile tested.

Reviewers: #kwin, #plasma

Subscribers: plasma-devel, kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D7843
2017-09-30 12:58:17 +02:00

85 lines
2.4 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef KWIN_X11CURSOR_H
#define KWIN_X11CURSOR_H
#include "cursor.h"
#include <memory>
namespace KWin
{
class XFixesCursorEventFilter;
class KWIN_EXPORT X11Cursor : public Cursor
{
Q_OBJECT
public:
X11Cursor(QObject *parent, bool xInputSupport = false);
virtual ~X11Cursor();
void schedulePoll() {
m_needsPoll = true;
}
/**
* @internal
*
* Called from X11 event handler.
*/
void notifyCursorChanged();
protected:
virtual xcb_cursor_t getX11Cursor(Qt::CursorShape shape);
xcb_cursor_t getX11Cursor(const QByteArray &name) override;
virtual void doSetPos();
virtual void doGetPos();
virtual void doStartMousePolling();
virtual void doStopMousePolling();
virtual void doStartCursorTracking();
virtual void doStopCursorTracking();
private Q_SLOTS:
/**
* Because of QTimer's and the impossibility to get events for all mouse
* movements (at least I haven't figured out how) the position needs
* to be also refetched after each return to the event loop.
*/
void resetTimeStamp();
void mousePolled();
void aboutToBlock();
private:
xcb_cursor_t createCursor(const QByteArray &name);
QHash<QByteArray, xcb_cursor_t > m_cursors;
xcb_timestamp_t m_timeStamp;
uint16_t m_buttonMask;
QTimer *m_resetTimeStampTimer;
QTimer *m_mousePollingTimer;
bool m_hasXInput;
bool m_needsPoll;
std::unique_ptr<XFixesCursorEventFilter> m_xfixesFilter;
friend class Cursor;
};
}
#endif