barrier/lib/synergy/IScreen.h

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/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2003 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 COPYING 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.
*/
#ifndef ISCREEN_H
#define ISCREEN_H
#include "IInterface.h"
#include "ClipboardTypes.h"
#include "CEvent.h"
class IClipboard;
//! Screen interface
/*!
This interface defines the methods common to all screens.
*/
class IScreen : public IInterface {
public:
struct CClipboardInfo {
public:
ClipboardID m_id;
UInt32 m_sequenceNumber;
};
//! @name accessors
//@{
//! Get event target
/*!
Returns the target used for events created by this object.
*/
virtual void* getEventTarget() const = 0;
//! Get clipboard
/*!
Save the contents of the clipboard indicated by \c id and return
true iff successful.
*/
virtual bool getClipboard(ClipboardID id, IClipboard*) const = 0;
//! Get screen shape
/*!
Return the position of the upper-left corner of the screen in \c x and
\c y and the size of the screen in \c width and \c height.
*/
virtual void getShape(SInt32& x, SInt32& y,
SInt32& width, SInt32& height) const = 0;
//! Get cursor position
/*!
Return the current position of the cursor in \c x and \c y.
*/
virtual void getCursorPos(SInt32& x, SInt32& y) const = 0;
//! Get error event type
/*!
Returns the error event type. This is sent whenever the screen has
failed for some reason (e.g. the X Windows server died).
*/
static CEvent::Type getErrorEvent();
//! Get shape changed event type
/*!
Returns the shape changed event type. This is sent whenever the
screen's shape changes.
*/
static CEvent::Type getShapeChangedEvent();
//! Get clipboard grabbed event type
/*!
Returns the clipboard grabbed event type. This is sent whenever the
clipboard is grabbed by some other application so we don't own it
anymore. The data is a pointer to a CClipboardInfo.
*/
static CEvent::Type getClipboardGrabbedEvent();
//! Get clipboard changed event type
/*!
Returns the clipboard changed event type. This is sent whenever the
contents of the clipboard has changed. The data is a pointer to a
CClipboardInfo.
*/
static CEvent::Type getClipboardChangedEvent();
//@}
private:
static CEvent::Type s_errorEvent;
static CEvent::Type s_shapeChangedEvent;
static CEvent::Type s_clipboardGrabbedEvent;
static CEvent::Type s_clipboardChangedEvent;
};
#endif