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/*
Copyright (C) 2009 Red Hat, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _H_CURSOR_
#define _H_CURSOR_
#include "threads.h"
#include "messages.h"
#include "red_window_p.h"
class CursorOpaque {
public:
CursorOpaque() {}
virtual ~CursorOpaque() {}
};
class LocalCursor;
class CursorData {
public:
CursorData(SpiceCursor& cursor, int data_size);
CursorData *ref() { ++_atomic; return this;}
void unref() {if (--_atomic == 0) delete this;}
void set_opaque(CursorOpaque* opaque) { delete _opaque; _opaque = opaque;}
CursorOpaque* get_opaque() { return _opaque;}
void set_local(LocalCursor* local_cursor);
LocalCursor* get_local() { return _local_cursor;}
const SpiceCursorHeader& header() const { return _header;}
const uint8_t* data() const { return _data;}
private:
~CursorData();
private:
AtomicCount _atomic;
SpiceCursorHeader _header;
uint8_t* _data;
CursorOpaque* _opaque;
LocalCursor* _local_cursor;
};
class LocalCursor {
public:
LocalCursor(): _atomic (1) {}
virtual ~LocalCursor() {}
virtual void set(Window window) {}
LocalCursor* ref() { ++_atomic; return this;}
void unref() { if (--_atomic == 0) delete this;}
protected:
static int get_size_bits(const SpiceCursorHeader& header, int &size);
private:
AtomicCount _atomic;
};
#endif
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