// Author: Vadim Zeitlin, Robert Roebling
// Modified by:
// Created: 26.05.99
-// RCS-ID: $Id$
-// Copyright: (c) wxWindows Team
-// Licence: wxWindows license
+// Copyright: (c) wxWidgets Team
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DATAOBJ_H_BASE_
#define _WX_DATAOBJ_H_BASE_
-#ifdef __GNUG__
- #pragma interface "dataobjbase.h"
-#endif
-
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
-
#include "wx/defs.h"
+
+#if wxUSE_DATAOBJ
+
#include "wx/string.h"
#include "wx/bitmap.h"
#include "wx/list.h"
+#include "wx/arrstr.h"
// ============================================================================
/*
typedef <integral type> NativeFormat;
wxDataFormat(NativeFormat format = wxDF_INVALID);
- wxDataFormat(const wxChar *format);
+ wxDataFormat(const wxString& format);
wxDataFormat& operator=(NativeFormat format);
wxDataFormat& operator=(const wxDataFormat& format);
NativeFormat GetType() const;
wxString GetId() const;
- void SetId(const wxChar *format);
+ void SetId(const wxString& format);
};
*/
#include "wx/msw/ole/dataform.h"
#elif defined(__WXMOTIF__)
#include "wx/motif/dataform.h"
-#elif defined(__WXGTK__)
+#elif defined(__WXGTK20__)
#include "wx/gtk/dataform.h"
+#elif defined(__WXGTK__)
+ #include "wx/gtk1/dataform.h"
+#elif defined(__WXX11__)
+ #include "wx/x11/dataform.h"
+#elif defined(__WXMAC__)
+ #include "wx/osx/dataform.h"
+#elif defined(__WXCOCOA__)
+ #include "wx/cocoa/dataform.h"
+#elif defined(__WXPM__)
+ #include "wx/os2/dataform.h"
#endif
+// the value for default argument to some functions (corresponds to
+// wxDF_INVALID)
+extern WXDLLIMPEXP_CORE const wxDataFormat& wxFormatInvalid;
+
// ----------------------------------------------------------------------------
// wxDataObject represents a piece of data which knows which formats it
// supports and knows how to render itself in each of them - GetDataHere(),
// to be supported by SetData() or GetDataHere().
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxDataObjectBase
+class WXDLLIMPEXP_CORE wxDataObjectBase
{
public:
enum Direction
virtual size_t GetDataSize(const wxDataFormat& format) const = 0;
// copy raw data (in the specified format) to the provided buffer, return
- // TRUE if data copied successfully, FALSE otherwise
+ // true if data copied successfully, false otherwise
virtual bool GetDataHere(const wxDataFormat& format, void *buf) const = 0;
// get data from the buffer of specified length (in the given format),
- // return TRUE if the data was read successfully, FALSE otherwise
+ // return true if the data was read successfully, false otherwise
virtual bool SetData(const wxDataFormat& WXUNUSED(format),
size_t WXUNUSED(len), const void * WXUNUSED(buf))
{
- return FALSE;
+ return false;
}
+
+ // returns true if this format is supported
+ bool IsSupported(const wxDataFormat& format, Direction dir = Get) const;
};
// ----------------------------------------------------------------------------
#include "wx/msw/ole/dataobj.h"
#elif defined(__WXMOTIF__)
#include "wx/motif/dataobj.h"
-#elif defined(__WXGTK__)
+#elif defined(__WXX11__)
+ #include "wx/x11/dataobj.h"
+#elif defined(__WXGTK20__)
#include "wx/gtk/dataobj.h"
-#elif defined(__WXQT__)
- #include "wx/qt/dnd.h"
+#elif defined(__WXGTK__)
+ #include "wx/gtk1/dataobj.h"
#elif defined(__WXMAC__)
- #include "wx/mac/dnd.h"
+ #include "wx/osx/dataobj.h"
+#elif defined(__WXCOCOA__)
+ #include "wx/cocoa/dataobj.h"
#elif defined(__WXPM__)
- #include "wx/os2/dnd.h"
-#elif defined(__WXSTUBS__)
- #include "wx/stubs/dnd.h"
+ #include "wx/os2/dataobj.h"
#endif
// ----------------------------------------------------------------------------
// wxDataObjectSimple is a wxDataObject which only supports one format (in
-// both Get and Set directions, but you may return FALSE from GetDataHere() or
+// both Get and Set directions, but you may return false from GetDataHere() or
// SetData() if one of them is not supported). This is the simplest possible
// wxDataObject implementation.
//
// Otherwise, you should use wxDataObjectComposite or wxDataObject directly.
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxDataObjectSimple : public wxDataObject
+class WXDLLIMPEXP_CORE wxDataObjectSimple : public wxDataObject
{
public:
// ctor takes the format we support, but it can also be set later with
// SetFormat()
- wxDataObjectSimple(const wxDataFormat& format = wxDF_INVALID)
+ wxDataObjectSimple(const wxDataFormat& format = wxFormatInvalid)
: m_format(format)
{
}
// copy our data to the buffer
virtual bool GetDataHere(void *WXUNUSED(buf)) const
- { return FALSE; }
+ { return false; }
// copy data from buffer to our data
virtual bool SetData(size_t WXUNUSED(len), const void *WXUNUSED(buf))
- { return FALSE; }
+ { return false; }
// implement base class pure virtuals
// ----------------------------------
- virtual wxDataFormat GetPreferredFormat(Direction WXUNUSED(dir) = Get) const
+ virtual wxDataFormat GetPreferredFormat(wxDataObjectBase::Direction WXUNUSED(dir) = Get) const
{ return m_format; }
- virtual size_t GetFormatCount(Direction WXUNUSED(dir) = Get) const
+ virtual size_t GetFormatCount(wxDataObjectBase::Direction WXUNUSED(dir) = Get) const
{ return 1; }
virtual void GetAllFormats(wxDataFormat *formats,
- Direction WXUNUSED(dir) = Get) const
+ wxDataObjectBase::Direction WXUNUSED(dir) = Get) const
{ *formats = m_format; }
virtual size_t GetDataSize(const wxDataFormat& WXUNUSED(format)) const
{ return GetDataSize(); }
private:
// the one and only format we support
wxDataFormat m_format;
+
+ wxDECLARE_NO_COPY_CLASS(wxDataObjectSimple);
};
// ----------------------------------------------------------------------------
// wxDataObject directly.
// ----------------------------------------------------------------------------
-WX_DECLARE_LIST(wxDataObjectSimple, wxSimpleDataObjectList);
+WX_DECLARE_EXPORTED_LIST(wxDataObjectSimple, wxSimpleDataObjectList);
-class WXDLLEXPORT wxDataObjectComposite : public wxDataObject
+class WXDLLIMPEXP_CORE wxDataObjectComposite : public wxDataObject
{
public:
// ctor
- wxDataObjectComposite() { m_preferred = 0; }
+ wxDataObjectComposite();
+ virtual ~wxDataObjectComposite();
// add data object (it will be deleted by wxDataObjectComposite, hence it
// must be allocated on the heap) whose format will become the preferred
- // one if preferred == TRUE
- void Add(wxDataObjectSimple *dataObject, bool preferred = FALSE);
+ // one if preferred == true
+ void Add(wxDataObjectSimple *dataObject, bool preferred = false);
+
+ // Report the format passed to the SetData method. This should be the
+ // format of the data object within the composite that received data from
+ // the clipboard or the DnD operation. You can use this method to find
+ // out what kind of data object was received.
+ wxDataFormat GetReceivedFormat() const;
+
+ // Returns the pointer to the object which supports this format or NULL.
+ // The returned pointer is owned by wxDataObjectComposite and must
+ // therefore not be destroyed by the caller.
+ wxDataObjectSimple *GetObject(const wxDataFormat& format,
+ wxDataObjectBase::Direction dir = Get) const;
// implement base class pure virtuals
// ----------------------------------
- virtual wxDataFormat GetPreferredFormat(Direction dir = Get) const;
- virtual size_t GetFormatCount(Direction dir = Get) const;
- virtual void GetAllFormats(wxDataFormat *formats, Direction dir = Get) const;
+ virtual wxDataFormat GetPreferredFormat(wxDataObjectBase::Direction dir = Get) const;
+ virtual size_t GetFormatCount(wxDataObjectBase::Direction dir = Get) const;
+ virtual void GetAllFormats(wxDataFormat *formats, wxDataObjectBase::Direction dir = Get) const;
virtual size_t GetDataSize(const wxDataFormat& format) const;
virtual bool GetDataHere(const wxDataFormat& format, void *buf) const;
virtual bool SetData(const wxDataFormat& format, size_t len, const void *buf);
-
-protected:
- // returns the pointer to the object which supports this format or NULL
- wxDataObjectSimple *GetObject(const wxDataFormat& format) const;
+#if defined(__WXMSW__)
+ virtual const void* GetSizeFromBuffer( const void* buffer, size_t* size,
+ const wxDataFormat& format );
+ virtual void* SetSizeInBuffer( void* buffer, size_t size,
+ const wxDataFormat& format );
+ virtual size_t GetBufferOffset( const wxDataFormat& format );
+#endif
private:
// the list of all (simple) data objects whose formats we support
// the index of the preferred one (0 initially, so by default the first
// one is the preferred)
size_t m_preferred;
+
+ wxDataFormat m_receivedFormat;
+
+ wxDECLARE_NO_COPY_CLASS(wxDataObjectComposite);
};
// ============================================================================
// wxTextDataObject contains text data
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxTextDataObject : public wxDataObjectSimple
+#if wxUSE_UNICODE
+ #if defined(__WXGTK20__)
+ #define wxNEEDS_UTF8_FOR_TEXT_DATAOBJ
+ #elif defined(__WXMAC__)
+ #define wxNEEDS_UTF16_FOR_TEXT_DATAOBJ
+ #endif
+#endif // wxUSE_UNICODE
+
+class WXDLLIMPEXP_CORE wxHTMLDataObject : public wxDataObjectSimple
+{
+public:
+ // ctor: you can specify the text here or in SetText(), or override
+ // GetText()
+ wxHTMLDataObject(const wxString& html = wxEmptyString)
+ : wxDataObjectSimple(wxDF_HTML),
+ m_html(html)
+ {
+ }
+
+ // virtual functions which you may override if you want to provide text on
+ // demand only - otherwise, the trivial default versions will be used
+ virtual size_t GetLength() const { return m_html.Len() + 1; }
+ virtual wxString GetHTML() const { return m_html; }
+ virtual void SetHTML(const wxString& html) { m_html = html; }
+
+ virtual size_t GetDataSize() const;
+ virtual bool GetDataHere(void *buf) const;
+ virtual bool SetData(size_t len, const void *buf);
+
+ // Must provide overloads to avoid hiding them (and warnings about it)
+ virtual size_t GetDataSize(const wxDataFormat&) const
+ {
+ return GetDataSize();
+ }
+ virtual bool GetDataHere(const wxDataFormat&, void *buf) const
+ {
+ return GetDataHere(buf);
+ }
+ virtual bool SetData(const wxDataFormat&, size_t len, const void *buf)
+ {
+ return SetData(len, buf);
+ }
+
+private:
+ wxString m_html;
+};
+
+class WXDLLIMPEXP_CORE wxTextDataObject : public wxDataObjectSimple
{
public:
// ctor: you can specify the text here or in SetText(), or override
// GetText()
wxTextDataObject(const wxString& text = wxEmptyString)
- : wxDataObjectSimple(wxDF_TEXT), m_text(text)
+ : wxDataObjectSimple(
+#if wxUSE_UNICODE
+ wxDF_UNICODETEXT
+#else
+ wxDF_TEXT
+#endif
+ ),
+ m_text(text)
{
}
// implement base class pure virtuals
// ----------------------------------
+
+ // some platforms have 2 and not 1 format for text data
+#if defined(wxNEEDS_UTF8_FOR_TEXT_DATAOBJ) || defined(wxNEEDS_UTF16_FOR_TEXT_DATAOBJ)
+ virtual size_t GetFormatCount(Direction WXUNUSED(dir) = Get) const { return 2; }
+ virtual void GetAllFormats(wxDataFormat *formats,
+ wxDataObjectBase::Direction WXUNUSED(dir) = Get) const;
+
+ virtual size_t GetDataSize() const { return GetDataSize(GetPreferredFormat()); }
+ virtual bool GetDataHere(void *buf) const { return GetDataHere(GetPreferredFormat(), buf); }
+ virtual bool SetData(size_t len, const void *buf) { return SetData(GetPreferredFormat(), len, buf); }
+
+ size_t GetDataSize(const wxDataFormat& format) const;
+ bool GetDataHere(const wxDataFormat& format, void *pBuf) const;
+ bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf);
+#else // !wxNEEDS_UTF{8,16}_FOR_TEXT_DATAOBJ
virtual size_t GetDataSize() const;
virtual bool GetDataHere(void *buf) const;
virtual bool SetData(size_t len, const void *buf);
+ // Must provide overloads to avoid hiding them (and warnings about it)
+ virtual size_t GetDataSize(const wxDataFormat&) const
+ {
+ return GetDataSize();
+ }
+ virtual bool GetDataHere(const wxDataFormat&, void *buf) const
+ {
+ return GetDataHere(buf);
+ }
+ virtual bool SetData(const wxDataFormat&, size_t len, const void *buf)
+ {
+ return SetData(len, buf);
+ }
+#endif // different wxTextDataObject implementations
private:
wxString m_text;
+
+ wxDECLARE_NO_COPY_CLASS(wxTextDataObject);
};
// ----------------------------------------------------------------------------
// wxBitmapDataObject contains a bitmap
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxBitmapDataObjectBase : public wxDataObjectSimple
+class WXDLLIMPEXP_CORE wxBitmapDataObjectBase : public wxDataObjectSimple
{
public:
// ctor: you can specify the bitmap here or in SetBitmap(), or override
protected:
wxBitmap m_bitmap;
+
+ wxDECLARE_NO_COPY_CLASS(wxBitmapDataObjectBase);
};
// ----------------------------------------------------------------------------
// data from drag and drop operation.
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxFileDataObjectBase : public wxDataObjectSimple
+class WXDLLIMPEXP_CORE wxFileDataObjectBase : public wxDataObjectSimple
{
public:
// ctor: use AddFile() later to fill the array
// get a reference to our array
const wxArrayString& GetFilenames() const { return m_filenames; }
- // the Get() functions do nothing for us
- virtual size_t GetDataSize() const { return 0; }
- virtual bool GetDataHere(void *WXUNUSED(buf)) const { return FALSE; }
-
protected:
wxArrayString m_filenames;
+
+ wxDECLARE_NO_COPY_CLASS(wxFileDataObjectBase);
};
// ----------------------------------------------------------------------------
// It is understood that this data can be copied bitwise.
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxCustomDataObject : public wxDataObjectSimple
+class WXDLLIMPEXP_CORE wxCustomDataObject : public wxDataObjectSimple
{
public:
// if you don't specify the format in the ctor, you can still use
// SetFormat() later
- wxCustomDataObject(const wxDataFormat& format = wxDF_INVALID);
+ wxCustomDataObject(const wxDataFormat& format = wxFormatInvalid);
// the dtor calls Free()
virtual ~wxCustomDataObject();
virtual size_t GetDataSize() const;
virtual bool GetDataHere(void *buf) const;
virtual bool SetData(size_t size, const void *buf);
+ // Must provide overloads to avoid hiding them (and warnings about it)
+ virtual size_t GetDataSize(const wxDataFormat&) const
+ {
+ return GetDataSize();
+ }
+ virtual bool GetDataHere(const wxDataFormat&, void *buf) const
+ {
+ return GetDataHere(buf);
+ }
+ virtual bool SetData(const wxDataFormat&, size_t len, const void *buf)
+ {
+ return SetData(len, buf);
+ }
private:
size_t m_size;
void *m_data;
+
+ wxDECLARE_NO_COPY_CLASS(wxCustomDataObject);
};
// ----------------------------------------------------------------------------
#if defined(__WXMSW__)
#include "wx/msw/ole/dataobj2.h"
-#elif defined(__WXMOTIF__)
- #include "wx/motif/dataobj2.h"
-#elif defined(__WXGTK__)
+ // wxURLDataObject defined in msw/ole/dataobj2.h
+#elif defined(__WXGTK20__)
#include "wx/gtk/dataobj2.h"
+ // wxURLDataObject defined in msw/ole/dataobj2.h
+
+#else
+ #if defined(__WXGTK__)
+ #include "wx/gtk1/dataobj2.h"
+ #elif defined(__WXX11__)
+ #include "wx/x11/dataobj2.h"
+ #elif defined(__WXMOTIF__)
+ #include "wx/motif/dataobj2.h"
+ #elif defined(__WXMAC__)
+ #include "wx/osx/dataobj2.h"
+ #elif defined(__WXCOCOA__)
+ #include "wx/cocoa/dataobj2.h"
+ #elif defined(__WXPM__)
+ #include "wx/os2/dataobj2.h"
+ #endif
+
+ // wxURLDataObject is simply wxTextDataObject with a different name
+ class WXDLLIMPEXP_CORE wxURLDataObject : public wxTextDataObject
+ {
+ public:
+ wxURLDataObject(const wxString& url = wxEmptyString)
+ : wxTextDataObject(url)
+ {
+ }
+
+ wxString GetURL() const { return GetText(); }
+ void SetURL(const wxString& url) { SetText(url); }
+ };
#endif
+#endif // wxUSE_DATAOBJ
+
#endif // _WX_DATAOBJ_H_BASE_
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