haiku/headers/os/app/Clipboard.h

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/*
* Copyright 2007, Haiku Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Author:
* Gabe Yoder, gyoder@stny.rr.com
*/
#ifndef _CLIPBOARD_H
#define _CLIPBOARD_H
#include <BeBuild.h>
#include <Locker.h>
#include <Messenger.h>
class BMessage;
enum {
B_CLIPBOARD_CHANGED = 'CLCH'
};
class BClipboard {
public:
BClipboard(const char* name, bool transient = false);
virtual ~BClipboard();
const char* Name() const;
uint32 LocalCount() const;
uint32 SystemCount() const;
status_t StartWatching(BMessenger target);
status_t StopWatching(BMessenger target);
bool Lock();
void Unlock();
bool IsLocked() const;
status_t Clear();
status_t Commit();
status_t Commit(bool failIfChanged);
status_t Revert();
BMessenger DataSource() const;
BMessage* Data() const;
private:
BClipboard(const BClipboard &);
BClipboard &operator=(const BClipboard &);
virtual void _ReservedClipboard1();
virtual void _ReservedClipboard2();
virtual void _ReservedClipboard3();
bool _AssertLocked() const;
status_t _DownloadFromSystem(bool force = false);
status_t _UploadToSystem();
uint32 _reserved0;
BMessage* fData;
BLocker fLock;
BMessenger fClipHandler;
BMessenger fDataSource;
uint32 fCount;
char* fName;
uint32 _reserved[4];
};
extern BClipboard* be_clipboard;
#endif // _CLIPBOARD_H