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/*
* barrier -- mouse and keyboard sharing utility
* Copyright (C) 2012-2016 Symless Ltd.
* Copyright (C) 2004 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file LICENSE that should have accompanied this file.
*
* This package 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/>.
*/
#pragma once
#include "mt/Mutex.h"
#include "base/IEventQueueBuffer.h"
#include "common/stdvector.h"
#include "XWindowsImpl.h"
#if X_DISPLAY_MISSING
# error X11 is required to build barrier
#else
# include <X11/Xlib.h>
#endif
class IEventQueue;
//! Event queue buffer for X11
class XWindowsEventQueueBuffer : public IEventQueueBuffer {
public:
XWindowsEventQueueBuffer(IXWindowsImpl* impl, Display*, Window,
IEventQueue* events);
virtual ~XWindowsEventQueueBuffer();
// IEventQueueBuffer overrides
virtual void init() { }
virtual void waitForEvent(double timeout);
virtual Type getEvent(Event& event, UInt32& dataID);
virtual bool addEvent(UInt32 dataID);
virtual bool isEmpty() const;
virtual EventQueueTimer*
newTimer(double duration, bool oneShot) const;
virtual void deleteTimer(EventQueueTimer*) const;
private:
void flush();
int getPendingCountLocked();
private:
typedef std::vector<XEvent> EventList;
IXWindowsImpl* m_impl;
Mutex m_mutex;
Display* m_display;
Window m_window;
Atom m_userEvent;
XEvent m_event;
EventList m_postedEvents;
bool m_waiting;
int m_pipefd[2];
IEventQueue* m_events;
};
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