Added comment explaining that it's not necessary to use LEX and YACC on

[wxWidgets.git] / include / wx / dataobj.h

diff --git a/include/wx/dataobj.h b/include/wx/dataobj.h
index 045898f5539d6ff49e5c0a12557f5dfec4b450d3..19563d31a4fe19c401986ad02ee4df4ac6567851 100644 (file)
--- a/include/wx/dataobj.h
+++ b/include/wx/dataobj.h
@@ -79,10 +79,16 @@ public:
     #include "wx/motif/dataform.h"
 #elif defined(__WXGTK__)
     #include "wx/gtk/dataform.h"
     #include "wx/motif/dataform.h"
 #elif defined(__WXGTK__)
     #include "wx/gtk/dataform.h"

+#elif defined(__WXMAC__)
+    #include "wx/mac/dataform.h"

 #elif defined(__WXPM__)
     #include "wx/os2/dataform.h"
 #endif
 
 #elif defined(__WXPM__)
     #include "wx/os2/dataform.h"
 #endif
 

+// the value for default argument to some functions (corresponds to
+// wxDF_INVALID)
+extern WXDLLEXPORT 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(),
 // ----------------------------------------------------------------------------
 // wxDataObject represents a piece of data which knows which formats it
 // supports and knows how to render itself in each of them - GetDataHere(),


@@ -140,6 +146,9 @@ public:
     {
         return FALSE;
     }
     {
         return FALSE;
     }

+
+    // returns TRUE if this format is supported
+    bool IsSupported(const wxDataFormat& format, Direction dir = Get) const;

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -152,10 +161,8 @@ public:
     #include "wx/motif/dataobj.h"
 #elif defined(__WXGTK__)
     #include "wx/gtk/dataobj.h"
     #include "wx/motif/dataobj.h"
 #elif defined(__WXGTK__)
     #include "wx/gtk/dataobj.h"

-#elif defined(__WXQT__)
-    #include "wx/qt/dnd.h"

 #elif defined(__WXMAC__)
 #elif defined(__WXMAC__)

-    #include "wx/mac/dnd.h"
+    #include "wx/mac/dataobj.h"

 #elif defined(__WXPM__)
     #include "wx/os2/dataobj.h"
 #elif defined(__WXSTUBS__)
 #elif defined(__WXPM__)
     #include "wx/os2/dataobj.h"
 #elif defined(__WXSTUBS__)


@@ -183,7 +190,7 @@ class WXDLLEXPORT wxDataObjectSimple : public wxDataObject
 public:
     // ctor takes the format we support, but it can also be set later with
     // SetFormat()
 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)
         {
         }
         : m_format(format)
         {
         }


@@ -241,7 +248,7 @@ private:
 // wxDataObject directly.
 // ----------------------------------------------------------------------------
 
 // wxDataObject directly.
 // ----------------------------------------------------------------------------
 

-WX_DECLARE_LIST(wxDataObjectSimple, wxSimpleDataObjectList);
+WX_DECLARE_EXPORTED_LIST(wxDataObjectSimple, wxSimpleDataObjectList);

 
 class WXDLLEXPORT wxDataObjectComposite : public wxDataObject
 {
 
 class WXDLLEXPORT wxDataObjectComposite : public wxDataObject
 {


@@ -266,6 +273,13 @@ public:
 protected:
     // returns the pointer to the object which supports this format or NULL
     wxDataObjectSimple *GetObject(const wxDataFormat& format) const;
 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
 
 private:
     // the list of all (simple) data objects whose formats we support


@@ -294,7 +308,8 @@ public:
     // ctor: you can specify the text here or in SetText(), or override
     // GetText()
     wxTextDataObject(const wxString& text = wxEmptyString)
     // 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(wxUSE_UNICODE?wxDF_UNICODETEXT:wxDF_TEXT),
+          m_text(text)

         {
         }
 
         {
         }
 


@@ -313,15 +328,13 @@ public:
 private:
     wxString m_text;
 
 private:
     wxString m_text;
 

-#if defined(__VISAGECPP__)
-    // Virtual function hiding supression
-    size_t GetDataSize(const wxDataFormat& rFormat) const
-    { return(wxDataObjectSimple::GetDataSize(rFormat)); }
-    bool GetDataHere(const wxDataFormat& WXUNUSED(rFormat), void *pBuf) const
-    { return(GetDataHere(pBuf)); }
-    bool SetData(const wxDataFormat& rFormat, size_t nLen, const void* pBuf)
-    { return(wxDataObjectSimple::SetData(rFormat, nLen, pBuf)); }
-#endif
+    // 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)); }

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -370,14 +383,12 @@ public:
 protected:
     wxArrayString m_filenames;
 
 protected:
     wxArrayString m_filenames;
 

-#if defined(__VISAGECPP__)

 private:
     // Virtual function hiding supression
 private:
     // Virtual function hiding supression

-    size_t GetDataSize(const wxDataFormat& rFormat) const
-    { return(wxDataObjectSimple::GetDataSize(rFormat)); }
-    bool GetDataHere(const wxDataFormat& WXUNUSED(rformat), void* pBuf) const
-    { return(GetDataHere(pBuf)); }
-#endif
+    size_t GetDataSize(const wxDataFormat& format) const
+        { return(wxDataObjectSimple::GetDataSize(format)); }
+    bool GetDataHere(const wxDataFormat& format, void* pBuf) const
+        { return(wxDataObjectSimple::GetDataHere(format, pBuf)); }

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -391,7 +402,7 @@ class WXDLLEXPORT wxCustomDataObject : public wxDataObjectSimple
 public:
     // if you don't specify the format in the ctor, you can still use
     // SetFormat() later
 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();
 
     // the dtor calls Free()
     virtual ~wxCustomDataObject();


@@ -425,15 +436,13 @@ private:
     size_t m_size;
     void  *m_data;
 
     size_t m_size;
     void  *m_data;
 

-#if defined(__VISAGECPP__)
-    // Virtual function hiding supression
-    size_t GetDataSize(const wxDataFormat& rFormat) const
-    { return(wxDataObjectSimple::GetDataSize(rFormat)); }
-    bool GetDataHere(const wxDataFormat& rFormat, void* pBuf) const
-    { return(wxDataObjectSimple::GetDataHere(rFormat, pBuf)); }
-    bool SetData(const wxDataFormat& rFormat, size_t nLen, const void* pBuf)
-    { return(wxDataObjectSimple::SetData(rFormat, nLen, pBuf)); }
-#endif
+    // 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)); }

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -442,12 +451,23 @@ private:
 
 #if defined(__WXMSW__)
     #include "wx/msw/ole/dataobj2.h"
 
 #if defined(__WXMSW__)
     #include "wx/msw/ole/dataobj2.h"

-#elif defined(__WXMOTIF__)
-    // #include "wx/motif/dataobj2.h" -- not yet
-#elif defined(__WXGTK__)
-    #include "wx/gtk/dataobj2.h"
-#elif defined(__WXPM__)
-    #include "wx/os2/dataobj2.h"
-#endif
+
+    // 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_
 
 #endif // _WX_DATAOBJ_H_BASE_