147 lines
5.2 KiB
C++
147 lines
5.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/ole/dataobj2.h
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// Purpose: second part of platform specific wxDataObject header -
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// declarations of predefined wxDataObjectSimple-derived classes
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 21.10.99
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// RCS-ID: $Id: dataobj2.h 40772 2006-08-23 13:38:45Z VZ $
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// Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MSW_OLE_DATAOBJ2_H
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#define _WX_MSW_OLE_DATAOBJ2_H
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// ----------------------------------------------------------------------------
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// wxBitmapDataObject is a specialization of wxDataObject for bitmap data
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//
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// NB: in fact, under MSW we support CF_DIB (and not CF_BITMAP) clipboard
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// format and we also provide wxBitmapDataObject2 for CF_BITMAP (which is
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// rarely used). This is ugly, but I haven't found a solution for it yet.
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxBitmapDataObject : public wxBitmapDataObjectBase
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{
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public:
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// ctors
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wxBitmapDataObject(const wxBitmap& bitmap = wxNullBitmap)
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: wxBitmapDataObjectBase(bitmap)
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{
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SetFormat(wxDF_DIB);
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m_data = NULL;
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}
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// implement base class pure virtuals
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virtual size_t GetDataSize() const;
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virtual bool GetDataHere(void *buf) const;
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virtual bool SetData(size_t len, const void *buf);
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virtual size_t GetDataSize(const wxDataFormat& WXUNUSED(format)) const
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{ return GetDataSize(); }
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virtual bool GetDataHere(const wxDataFormat& WXUNUSED(format),
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void *buf) const
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{ return GetDataHere(buf); }
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virtual bool SetData(const wxDataFormat& WXUNUSED(format),
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size_t len, const void *buf)
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{ return SetData(len, buf); }
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private:
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// the DIB data
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void /* BITMAPINFO */ *m_data;
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DECLARE_NO_COPY_CLASS(wxBitmapDataObject)
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};
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// ----------------------------------------------------------------------------
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// wxBitmapDataObject2 - a data object for CF_BITMAP
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//
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// FIXME did I already mention it was ugly?
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxBitmapDataObject2 : public wxBitmapDataObjectBase
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{
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public:
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// ctors
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wxBitmapDataObject2(const wxBitmap& bitmap = wxNullBitmap)
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: wxBitmapDataObjectBase(bitmap)
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{
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}
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// implement base class pure virtuals
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virtual size_t GetDataSize() const;
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virtual bool GetDataHere(void *buf) const;
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virtual bool SetData(size_t len, const void *buf);
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virtual size_t GetDataSize(const wxDataFormat& WXUNUSED(format)) const
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{ return GetDataSize(); }
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virtual bool GetDataHere(const wxDataFormat& WXUNUSED(format),
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void *buf) const
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{ return GetDataHere(buf); }
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virtual bool SetData(const wxDataFormat& WXUNUSED(format),
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size_t len, const void *buf)
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{ return SetData(len, buf); }
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private:
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DECLARE_NO_COPY_CLASS(wxBitmapDataObject2)
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};
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// ----------------------------------------------------------------------------
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// wxFileDataObject - data object for CF_HDROP
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxFileDataObject : public wxFileDataObjectBase
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{
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public:
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wxFileDataObject() { }
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// implement base class pure virtuals
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virtual bool SetData(size_t len, const void *buf);
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virtual size_t GetDataSize() const;
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virtual bool GetDataHere(void *pData) const;
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virtual void AddFile(const wxString& file);
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virtual size_t GetDataSize(const wxDataFormat& WXUNUSED(format)) const
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{ return GetDataSize(); }
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virtual bool GetDataHere(const wxDataFormat& WXUNUSED(format),
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void *buf) const
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{ return GetDataHere(buf); }
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virtual bool SetData(const wxDataFormat& WXUNUSED(format),
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size_t len, const void *buf)
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{ return SetData(len, buf); }
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private:
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DECLARE_NO_COPY_CLASS(wxFileDataObject)
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};
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// ----------------------------------------------------------------------------
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// wxURLDataObject: data object for URLs
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxURLDataObject : public wxDataObjectComposite
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{
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public:
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// initialize with URL in ctor or use SetURL later
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wxURLDataObject(const wxString& url = wxEmptyString);
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// return the URL as string
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wxString GetURL() const;
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// Set a string as the URL in the data object
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void SetURL(const wxString& url);
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// override to set m_textFormat
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virtual bool SetData(const wxDataFormat& format,
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size_t len,
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const void *buf);
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private:
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// last data object we got data in
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wxDataObjectSimple *m_dataObjectLast;
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DECLARE_NO_COPY_CLASS(wxURLDataObject)
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};
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#endif // _WX_MSW_OLE_DATAOBJ2_H
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