barrier/platform/CMSWindowsClipboard.h

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#ifndef CMSWINDOWSCLIPBOARD_H
#define CMSWINDOWSCLIPBOARD_H
#include "IClipboard.h"
#include "stdvector.h"
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
class IMSWindowsClipboardConverter;
class CMSWindowsClipboard : public IClipboard {
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public:
CMSWindowsClipboard(HWND window);
virtual ~CMSWindowsClipboard();
// IClipboard overrides
virtual bool empty();
virtual void add(EFormat, const CString& data);
virtual bool open(Time) const;
virtual void close() const;
virtual Time getTime() const;
virtual bool has(EFormat) const;
virtual CString get(EFormat) const;
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private:
void clearConverters();
UINT convertFormatToWin32(EFormat) const;
HANDLE convertTextToWin32(const CString& data) const;
CString convertTextFromWin32(HANDLE) const;
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private:
typedef std::vector<IMSWindowsClipboardConverter*> ConverterList;
HWND m_window;
mutable Time m_time;
ConverterList m_converters;
};
class IMSWindowsClipboardConverter : public IInterface {
public:
// accessors
// return the clipboard format this object converts from/to
virtual IClipboard::EFormat
getFormat() const = 0;
// return the atom representing the win32 clipboard format that
// this object converts from/to
virtual UINT getWin32Format() const = 0;
// convert from the IClipboard format to the win32 clipboard format.
// the input data must be in the IClipboard format returned by
// getFormat(). the return data will be in the win32 clipboard
// format returned by getWin32Format(), allocated by GlobalAlloc().
virtual HANDLE fromIClipboard(const CString&) const = 0;
// convert from the win32 clipboard format to the IClipboard format
// (i.e., the reverse of fromIClipboard()).
virtual CString toIClipboard(HANDLE data) const = 0;
};
#endif