+class WXDLLEXPORT wxFileDataObjectBase : public wxDataObjectSimple
+{
+public:
+ // ctor: use AddFile() later to fill the array
+ wxFileDataObjectBase() : wxDataObjectSimple(wxDF_FILENAME) { }
+
+ // 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;
+
+private:
+ // Virtual function hiding supression
+ size_t GetDataSize(const wxDataFormat& format) const
+ { return(wxDataObjectSimple::GetDataSize(format)); }
+ bool GetDataHere(const wxDataFormat& format, void* pBuf) const
+ { return(wxDataObjectSimple::GetDataHere(format, pBuf)); }
+};
+
+// ----------------------------------------------------------------------------
+// wxCustomDataObject contains arbitrary untyped user data.
+//
+// It is understood that this data can be copied bitwise.
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxCustomDataObject : public wxDataObjectSimple
+{
+public:
+ // if you don't specify the format in the ctor, you can still use
+ // SetFormat() later
+ wxCustomDataObject(const wxDataFormat& format = wxFormatInvalid);
+
+ // the dtor calls Free()
+ virtual ~wxCustomDataObject();
+
+ // you can call SetData() to set m_data: it will make a copy of the data
+ // you pass - or you can use TakeData() which won't copy anything, but
+ // will take ownership of data (i.e. will call Free() on it later)
+ void TakeData(size_t size, void *data);
+
+ // this function is called to allocate "size" bytes of memory from
+ // SetData(). The default version uses operator new[].
+ virtual void *Alloc(size_t size);
+
+ // this function is called when the data is freed, you may override it to
+ // anything you want (or may be nothing at all). The default version calls
+ // operator delete[] on m_data
+ virtual void Free();
+
+ // get data: you may override these functions if you wish to provide data
+ // only when it's requested
+ virtual size_t GetSize() const { return m_size; }
+ virtual void *GetData() const { return m_data; }
+
+ // implement base class pure virtuals
+ // ----------------------------------
+ virtual size_t GetDataSize() const;
+ virtual bool GetDataHere(void *buf) const;
+ virtual bool SetData(size_t size, const void *buf);
+
+private:
+ size_t m_size;
+ void *m_data;
+
+ // virtual function hiding supression
+ size_t GetDataSize(const wxDataFormat& format) const
+ { return(wxDataObjectSimple::GetDataSize(format)); }
+ bool GetDataHere(const wxDataFormat& format, void* pBuf) const
+ { return(wxDataObjectSimple::GetDataHere(format, pBuf)); }
+ bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf)
+ { return(wxDataObjectSimple::SetData(format, nLen, pBuf)); }
+};
+
+// ----------------------------------------------------------------------------
+// include platform-specific declarations of wxXXXBase classes
+// ----------------------------------------------------------------------------
+
+#if defined(__WXMSW__)
+ #include "wx/msw/ole/dataobj2.h"
+
+ // wxURLDataObject defined in msw/ole/dataobj2.h
+#else // !__WXMSW__
+ #if defined(__WXGTK__)
+ #include "wx/gtk/dataobj2.h"
+ #elif defined(__WXMAC__)
+ #include "wx/mac/dataobj2.h"
+ #elif defined(__WXPM__)
+ #include "wx/os2/dataobj2.h"
+ #endif
+
+ // wxURLDataObject is simply wxTextDataObject with a different name
+ class WXDLLEXPORT wxURLDataObject : public wxTextDataObject
+ {
+ public:
+ wxString GetURL() const { return GetText(); }
+ };
+#endif // __WXMSW__/!__WXMSW__
+
+#endif // _WX_DATAOBJ_H_BASE_
projects / wxWidgets.git / blobdiff