74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package 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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*/
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#ifndef ISCREENEVENTHANDLER_H
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#define ISCREENEVENTHANDLER_H
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#include "IInterface.h"
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// the platform screen should define this
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class CEvent;
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class IScreen;
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//! Screen event handler interface
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/*!
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This is the interface through which IScreen sends notification of events.
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Each platform will derive two types from IScreenEventHandler, one
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for handling events on the primary screen and one for the
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secondary screen. The header file with the IScreen subclass for
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each platform should define the CEvent type, which depends on the
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type of native events for that platform.
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*/
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class IScreenEventHandler : public IInterface {
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public:
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//! @name manipulators
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//@{
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//! Notify of screen saver change
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/*!
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Called when the screensaver is activated or deactivated.
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*/
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virtual void onScreensaver(bool activated) = 0;
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//! Event filtering
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/*!
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Called for each event before event translation and dispatch. Return
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true to skip translation and dispatch. Subclasses should call the
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superclass's version first and return true if it returns true.
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*/
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virtual bool onPreDispatch(const CEvent* event) = 0;
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//! Event handling
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/*!
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Called to handle an event. Iff the event was handled return true and
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store the result, if any, in event->m_result, which defaults to zero.
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*/
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virtual bool onEvent(CEvent* event) = 0;
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//@}
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//! @name accessors
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//@{
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//! Get jump zone size
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/*!
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Called to get the jump zone size.
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*/
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virtual SInt32 getJumpZoneSize() const = 0;
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//@}
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};
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#endif
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