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wxDataObejct and related changes (won't compile right now)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4089 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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Vadim Zeitlin
1999-10-21 00:25:42 +00:00
parent df485dc0d0
commit e1ee679c2e
25 changed files with 1093 additions and 1234 deletions
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251
include/wx/gtk1/dataobj.h
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@@ -1,255 +1,26 @@
///////////////////////////////////////////////////////////////////////////////
// Name: dataobj.h
// Purpose: declaration of the wxDataObject class
// Name: gtk/dataobj.h
// Purpose: declaration of the wxDataObject
// Author: Robert Roebling
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin, Robert Roebling
// Copyright: (c) 1998, 1999 Vadim Zeitlin, Robert Roebling
// Licence: wxWindows license
///////////////////////////////////////////////////////////////////////////////
#ifndef __GTKDATAOBJECTH__
#define __GTKDATAOBJECTH__
#ifndef _WX_GTK_DATAOBJ_H_
#define _WX_GTK_DATAOBJ_H_
#ifdef __GNUG__
#pragma interface
#pragma interface "dataobj.h"
#endif
#include "wx/defs.h"
#include "wx/object.h"
#include "wx/string.h"
#include "wx/bitmap.h"
// ----------------------------------------------------------------------------
// wxDataObject is the same as wxDataObjectBase under wxGTK
// ----------------------------------------------------------------------------
//-------------------------------------------------------------------------
// classes
//-------------------------------------------------------------------------
class wxDataFormat;
class wxDataBroker;
class wxDataObject;
class wxTextDataObject;
class wxBitmapDataObject;
class wxPrivateDataObject;
class wxFileDataObject;
//-------------------------------------------------------------------------
// wxDataFormat
//-------------------------------------------------------------------------
class wxDataFormat
class wxDataObject : public wxDataObjectBase
{
public:
// the clipboard formats under GDK are GdkAtoms
typedef GdkAtom NativeFormat;
wxDataFormat();
wxDataFormat( wxDataFormatId type );
wxDataFormat( const wxString &id );
wxDataFormat( const wxChar *id );
wxDataFormat( NativeFormat format );
wxDataFormat& operator=(NativeFormat format)
{ SetId(format); return *this; }
wxDataFormat& operator=(const wxDataFormat& format)
{ SetId(format); return *this; }
// comparison (must have both versions)
bool operator==(wxDataFormatId type) const
{ return m_type == (wxDataFormatId)type; }
bool operator!=(wxDataFormatId type) const
{ return m_type != (wxDataFormatId)type; }
bool operator==(NativeFormat format) const
{ return m_format == (NativeFormat)format; }
bool operator!=(NativeFormat format) const
{ return m_format != (NativeFormat)format; }
bool operator==(const wxDataFormat& format) const
{ return m_format == format.m_format; }
bool operator!=(const wxDataFormat& format) const
{ return m_format != format.m_format; }
// explicit and implicit conversions to NativeFormat which is one of
// standard data types (implicit conversion is useful for preserving the
// compatibility with old code)
NativeFormat GetFormatId() const { return m_format; }
operator NativeFormat() const { return m_format; }
// this only works with standard ids
void SetId( wxDataFormatId type );
// this only works with standard ids
void SetId( NativeFormat format );
// string ids are used for custom types - this SetId() must be used for
// application-specific formats
wxString GetId() const;
void SetId( const wxChar *id );
// implementation
wxDataFormatId GetType() const;
private:
wxDataFormatId m_type;
NativeFormat m_format;
void PrepareFormats();
void SetType( wxDataFormatId type );
};
//----------------------------------------------------------------------------
// wxDataObject
//----------------------------------------------------------------------------
class wxDataObject : public wxObject
{
public:
wxDataObject();
~wxDataObject();
virtual wxDataFormat GetPreferredFormat() const = 0;
// get the number of formats we support: it is understood that if we
// can accept data in some format, then we can render data in this
// format as well, but the contrary is not necessarily true. For the
// default value of the argument, all formats we support should be
// returned, but if outputOnlyToo == FALSE, then we should only return
// the formats which our SetData() understands
virtual size_t GetFormatCount(bool outputOnlyToo = TRUE) const
{ return 1; }
// return all formats in the provided array (of size GetFormatCount())
virtual void GetAllFormats(wxDataFormat *formats,
bool outputOnlyToo = TRUE) const
{ formats[0] = GetPreferredFormat(); }
// get the (total) size of data for the given format
virtual size_t GetDataSize(const wxDataFormat& format) const = 0;
// copy raw data (in the specified format) to provided pointer
virtual bool GetDataHere(const wxDataFormat& format, void *buf) const = 0;
// get data from the buffer (in the given format)
virtual bool SetData(const wxDataFormat& format, const void *buf) = 0;
// a simpler name which makes more sense for data objects supporting
// only one format
wxDataFormat GetFormat() const { return GetPreferredFormat(); }
// old interface
// decide if we support this format (can be either standard or custom
// format) -- now uses GetAllFormats()
virtual bool IsSupportedFormat(const wxDataFormat& format) const;
private:
DECLARE_DYNAMIC_CLASS( wxDataObject )
};
//----------------------------------------------------------------------------
// wxTextDataObject is a specialization of wxDataObject for text data
//----------------------------------------------------------------------------
class wxTextDataObject : public wxDataObject
{
public:
// ctors
wxTextDataObject();
wxTextDataObject(const wxString& strText);
void Init(const wxString& strText) { m_strText = strText; }
virtual wxDataFormat GetPreferredFormat() const
{ return wxDF_TEXT; }
virtual bool IsSupportedFormat(const wxDataFormat& format) const
{ return format == wxDF_TEXT; }
virtual size_t GetDataSize(const wxDataFormat& format) const;
virtual bool GetDataHere(const wxDataFormat& format, void *buf) const;
virtual bool SetData(const wxDataFormat& format, const void *buf);
// additional helpers
void SetText(const wxString& strText) { m_strText = strText; }
wxString GetText() const { return m_strText; }
private:
wxString m_strText;
private:
DECLARE_DYNAMIC_CLASS( wxTextDataObject )
};
//----------------------------------------------------------------------------
// wxFileDataObject is a specialization of wxDataObject for file names
//----------------------------------------------------------------------------
class wxFileDataObject : public wxDataObject
{
public:
wxFileDataObject();
void AddFile( const wxString &file );
void SetFiles( const wxString &files )
{ m_files = files; }
wxString GetFiles() const;
virtual wxDataFormat GetPreferredFormat() const
{ return wxDF_FILENAME; }
virtual bool IsSupportedFormat(const wxDataFormat& format) const
{ return format == wxDF_FILENAME; }
virtual size_t GetDataSize(const wxDataFormat& format) const;
virtual bool GetDataHere(const wxDataFormat& format, void *buf) const;
virtual bool SetData(const wxDataFormat& format, const void *buf);
public:
wxString m_files;
private:
DECLARE_DYNAMIC_CLASS( wxFileDataObject )
};
//----------------------------------------------------------------------------
// wxBitmapDataObject is a specialization of wxDataObject for bitmaps
//----------------------------------------------------------------------------
class wxBitmapDataObject : public wxDataObject
{
public:
// ctors
wxBitmapDataObject();
wxBitmapDataObject(const wxBitmap& bitmap);
// destr
~wxBitmapDataObject();
// set/get our bitmap
void SetBitmap(const wxBitmap& bitmap);
const wxBitmap GetBitmap() const { return m_bitmap; }
virtual wxDataFormat GetPreferredFormat() const
{ return wxDF_BITMAP; }
virtual bool IsSupportedFormat(const wxDataFormat& format) const
{ return format == wxDF_BITMAP; }
virtual size_t GetDataSize(const wxDataFormat& format) const;
virtual bool GetDataHere(const wxDataFormat& format, void *buf) const;
// sets PNG data
virtual bool SetData(const wxDataFormat& format, const void *buf);
// sets PNG data
virtual void SetPngData(const void *buf, size_t size);
void *GetData()
{ return m_pngData; }
private:
wxBitmap m_bitmap;
size_t m_pngSize;
void *m_pngData;
void DoConvertToPng();
private:
DECLARE_DYNAMIC_CLASS( wxBitmapDataObject );
};
#endif
//__GTKDNDH__
#endif // _WX_GTK_DATAOBJ_H_