bbcdf8bc7c
plus wxTreeCtrl::EditLabel/EndEditLabel, dialog editor stuff, wxMSW header changes, doc changes. Sorry about the quantity :-( git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@468 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
110 lines
3.5 KiB
C++
110 lines
3.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// Name: ole/dataobj.h
|
|
// Purpose: declaration of the wxDataObject class
|
|
// Author: Vadim Zeitlin
|
|
// Modified by:
|
|
// Created: 10.05.98
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
|
|
// Licence: wxWindows licence
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_OLEDATAOBJ_H
|
|
#define _WX_OLEDATAOBJ_H
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// forward declarations
|
|
// ----------------------------------------------------------------------------
|
|
struct IDataObject;
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxDataObject is a "smart" and polymorphic piece of data.
|
|
//
|
|
// @@@ it's currently "read-only" from COM point of view, i.e. we don't support
|
|
// SetData. We don't support all advise functions neither (but it's easy to
|
|
// do if we really want them)
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class wxDataObject
|
|
{
|
|
public:
|
|
// all data formats (values are the same as in windows.h, do not change!)
|
|
enum StdFormat
|
|
{
|
|
Invalid,
|
|
Text,
|
|
Bitmap,
|
|
MetafilePict,
|
|
Sylk,
|
|
Dif,
|
|
Tiff,
|
|
OemText,
|
|
Dib,
|
|
Palette,
|
|
Pendata,
|
|
Riff,
|
|
Wave,
|
|
UnicodeText,
|
|
EnhMetafile,
|
|
Hdrop,
|
|
Locale,
|
|
Max
|
|
};
|
|
|
|
// function to return symbolic name of clipboard format (debug messages)
|
|
static const char *GetFormatName(wxDataFormat format);
|
|
|
|
// ctor & dtor
|
|
wxDataObject();
|
|
~wxDataObject();
|
|
|
|
// pure virtuals to override
|
|
// get the best suited format for our data
|
|
virtual wxDataFormat GetPreferredFormat() const = 0;
|
|
// decide if we support this format (should be one of values of
|
|
// StdFormat enumerations or a user-defined format)
|
|
virtual bool IsSupportedFormat(wxDataFormat format) const = 0;
|
|
// get the (total) size of data
|
|
virtual uint GetDataSize() const = 0;
|
|
// copy raw data to provided pointer
|
|
virtual void GetDataHere(void *pBuf) const = 0;
|
|
|
|
// accessors
|
|
// retrieve IDataObject interface (for other OLE related classes)
|
|
IDataObject *GetInterface() const { return m_pIDataObject; }
|
|
|
|
private:
|
|
IDataObject *m_pIDataObject; // pointer to the COM interface
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxTextDataObject is a specialization of wxDataObject for text data
|
|
// ----------------------------------------------------------------------------
|
|
class wxTextDataObject : public wxDataObject
|
|
{
|
|
public:
|
|
// ctors
|
|
wxTextDataObject();
|
|
wxTextDataObject(const wxString& strText) : m_strText(strText) { }
|
|
void Init(const wxString& strText) { m_strText = strText; }
|
|
|
|
// implement base class pure virtuals
|
|
virtual wxDataFormat GetPreferredFormat() const
|
|
{ return (wxDataFormat) wxDataObject::Text; }
|
|
virtual bool IsSupportedFormat(wxDataFormat format) const
|
|
{ return format == wxDataObject::Text || format == wxDataObject::Locale; }
|
|
virtual uint GetDataSize() const
|
|
{ return m_strText.Len() + 1; } // +1 for trailing '\0'of course
|
|
virtual void GetDataHere(void *pBuf) const
|
|
{ memcpy(pBuf, m_strText.c_str(), GetDataSize()); }
|
|
|
|
private:
|
|
wxString m_strText;
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// @@@ TODO: wx{Bitmap|Metafile|...}DataObject
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#endif //_WX_OLEDATAOBJ_H
|