Fix minor typo in wxDV_VERT_RULES documentation.

[wxWidgets.git] / src / gtk / dataobj.cpp

diff --git a/src/gtk/dataobj.cpp b/src/gtk/dataobj.cpp
index d0a49bf29a5740e957d0562353b05c3e951cf223..db02431737fc45942e80cc4a0504bbb806cd882d 100644 (file)
--- a/src/gtk/dataobj.cpp
+++ b/src/gtk/dataobj.cpp
@@ -33,6 +33,7 @@ GdkAtom  g_textAtom        = 0;
 GdkAtom  g_altTextAtom     = 0;
 GdkAtom  g_pngAtom         = 0;
 GdkAtom  g_fileAtom        = 0;
 GdkAtom  g_altTextAtom     = 0;
 GdkAtom  g_pngAtom         = 0;
 GdkAtom  g_fileAtom        = 0;

+GdkAtom  g_htmlAtom        = 0;

 
 //-------------------------------------------------------------------------
 // wxDataFormat
 
 //-------------------------------------------------------------------------
 // wxDataFormat


@@ -81,10 +82,13 @@ void wxDataFormat::SetType( wxDataFormatId type )
         m_format = g_textAtom;
     else if (m_type == wxDF_TEXT)
         m_format = g_altTextAtom;
         m_format = g_textAtom;
     else if (m_type == wxDF_TEXT)
         m_format = g_altTextAtom;

-#else
-    if (m_type == wxDF_TEXT || m_type == wxDF_UNICODETEXT)
+#else // !wxUSE_UNICODE
+    // notice that we don't map wxDF_UNICODETEXT to g_textAtom here, this
+    // would lead the code elsewhere to treat data objects with this format as
+    // containing UTF-8 data which is not true
+    if (m_type == wxDF_TEXT)

         m_format = g_textAtom;
         m_format = g_textAtom;

-#endif
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE

     else
     if (m_type == wxDF_BITMAP)
         m_format = g_pngAtom;
     else
     if (m_type == wxDF_BITMAP)
         m_format = g_pngAtom;


@@ -92,6 +96,9 @@ void wxDataFormat::SetType( wxDataFormatId type )
     if (m_type == wxDF_FILENAME)
         m_format = g_fileAtom;
     else
     if (m_type == wxDF_FILENAME)
         m_format = g_fileAtom;
     else

+    if (m_type == wxDF_HTML)
+        m_format = g_htmlAtom;
+    else

     {
        wxFAIL_MSG( wxT("invalid dataformat") );
     }
     {
        wxFAIL_MSG( wxT("invalid dataformat") );
     }


@@ -128,6 +135,9 @@ void wxDataFormat::SetId( NativeFormat format )
     else
     if (m_format == g_fileAtom)
         m_type = wxDF_FILENAME;
     else
     if (m_format == g_fileAtom)
         m_type = wxDF_FILENAME;

+    else
+    if (m_format == g_htmlAtom)
+        m_type = wxDF_HTML;

     else
         m_type = wxDF_PRIVATE;
 }
     else
         m_type = wxDF_PRIVATE;
 }


@@ -143,7 +153,7 @@ void wxDataFormat::PrepareFormats()
 {
     // VZ: GNOME included in RedHat 6.1 uses the MIME types below and not the
     //     atoms STRING and file:ALL as the old code was, but normal X apps
 {
     // VZ: GNOME included in RedHat 6.1 uses the MIME types below and not the
     //     atoms STRING and file:ALL as the old code was, but normal X apps

-    //     use STRING for text selection when transfering the data via
+    //     use STRING for text selection when transferring the data via

     //     clipboard, for example, so do use STRING for now (GNOME apps will
     //     probably support STRING as well for compatibility anyhow), but use
     //     text/uri-list for file dnd because compatibility is not important
     //     clipboard, for example, so do use STRING for now (GNOME apps will
     //     probably support STRING as well for compatibility anyhow), but use
     //     text/uri-list for file dnd because compatibility is not important


@@ -161,6 +171,8 @@ void wxDataFormat::PrepareFormats()
         g_pngAtom = gdk_atom_intern( "image/png", FALSE );
     if (!g_fileAtom)
         g_fileAtom = gdk_atom_intern( "text/uri-list", FALSE );
         g_pngAtom = gdk_atom_intern( "image/png", FALSE );
     if (!g_fileAtom)
         g_fileAtom = gdk_atom_intern( "text/uri-list", FALSE );

+    if (!g_htmlAtom)
+        g_htmlAtom = gdk_atom_intern( "text/html", FALSE );

 }
 
 //-------------------------------------------------------------------------
 }
 
 //-------------------------------------------------------------------------


@@ -258,7 +270,7 @@ bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf)
     // (filenames prefixed by "file:") delimited by "\r\n". size includes
     // the trailing zero (in theory, not for Nautilus in early GNOME
     // versions).
     // (filenames prefixed by "file:") delimited by "\r\n". size includes
     // the trailing zero (in theory, not for Nautilus in early GNOME
     // versions).

-    
+

     m_filenames.Empty();
 
     const gchar *nexttemp = (const gchar*) buf;
     m_filenames.Empty();
 
     const gchar *nexttemp = (const gchar*) buf;


@@ -276,7 +288,7 @@ bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf)
                     nexttemp = temp+len;
                     break;
                 }
                     nexttemp = temp+len;
                     break;
                 }

-                    
+

                 return true;
             }
             if (temp[len] == '\r')
                 return true;
             }
             if (temp[len] == '\r')


@@ -289,17 +301,17 @@ bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf)
             }
             len++;
         }
             }
             len++;
         }

-        
+

         if (len == 0)
             break;
         if (len == 0)
             break;

-        
+

         // required to give it a trailing zero
         gchar *uri = g_strndup( temp, len );
         // required to give it a trailing zero
         gchar *uri = g_strndup( temp, len );

-    
+

         gchar *fn = g_filename_from_uri( uri, NULL, NULL );
         gchar *fn = g_filename_from_uri( uri, NULL, NULL );

-        
+

         g_free( uri );
         g_free( uri );

-    
+

         if (fn)
         {
             AddFile( wxConvFileName->cMB2WX( fn ) );
         if (fn)
         {
             AddFile( wxConvFileName->cMB2WX( fn ) );


@@ -381,12 +393,12 @@ bool wxBitmapDataObject::SetData(size_t size, const void *buf)
 
     m_bitmap = wxBitmap(image);
 
 
     m_bitmap = wxBitmap(image);
 

-    return m_bitmap.Ok();
+    return m_bitmap.IsOk();

 }
 
 void wxBitmapDataObject::DoConvertToPng()
 {
 }
 
 void wxBitmapDataObject::DoConvertToPng()
 {

-    if ( !m_bitmap.Ok() )
+    if ( !m_bitmap.IsOk() )

         return;
 
     wxCHECK_RET( wxImage::FindHandler(wxBITMAP_TYPE_PNG) != NULL,
         return;
 
     wxCHECK_RET( wxImage::FindHandler(wxBITMAP_TYPE_PNG) != NULL,


@@ -408,49 +420,101 @@ void wxBitmapDataObject::DoConvertToPng()
 // wxURLDataObject
 // ----------------------------------------------------------------------------
 
 // wxURLDataObject
 // ----------------------------------------------------------------------------
 

-wxURLDataObject::wxURLDataObject(const wxString& url) :
-   wxDataObjectSimple( wxDataFormat( gdk_atom_intern("text/x-moz-url",FALSE) ) )
+class wxTextURIListDataObject : public wxDataObjectSimple

 {
 {

-   m_url = url;
-}
+public:
+    wxTextURIListDataObject(const wxString& url)
+        : wxDataObjectSimple(wxDataFormat(g_fileAtom)),
+          m_url(url)
+    {
+    }
+
+    const wxString& GetURL() const { return m_url; }
+    void SetURL(const wxString& url) { m_url = url; }
+
+
+    virtual size_t GetDataSize() const
+    {
+        // It is not totally clear whether we should include "\r\n" at the end
+        // of the string if there is only one URL or not, but not doing it
+        // doesn't seem to create any problems, so keep things simple.
+        return strlen(m_url.utf8_str()) + 1;
+    }
+
+    virtual bool GetDataHere(void *buf) const
+    {
+        char* const dst = static_cast<char*>(buf);
+
+        strcpy(dst, m_url.utf8_str());
+
+        return true;
+    }
+
+    virtual bool SetData(size_t len, const void *buf)
+    {
+        const char* const src = static_cast<const char*>(buf);

 
 

-size_t wxURLDataObject::GetDataSize() const
-{ 
-    if (m_url.empty())
-        return 0;
-        
-    return 2*m_url.Len()+2;
+        // The string might be "\r\n"-terminated but this is not necessarily
+        // the case (e.g. when dragging an URL from Firefox, it isn't).
+        if ( len > 1 && src[len - 1] == '\n' )
+        {
+            if ( len > 2 && src[len - 2] == '\r' )
+                len--;
+
+            len--;
+        }
+
+        m_url = wxString::FromUTF8(src, len);
+
+        return true;
+    }
+
+    // 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_url;
+};
+
+wxURLDataObject::wxURLDataObject(const wxString& url) :
+    m_dobjURIList(new wxTextURIListDataObject(url)),
+    m_dobjText(new wxTextDataObject(url))
+{
+    // Use both URL-specific format and a plain text one to ensure that URLs
+    // can be pasted into any application.
+    Add(m_dobjURIList, true /* preferred */);
+    Add(m_dobjText);

 }
 
 }
 

-bool wxURLDataObject::GetDataHere(void *buf) const
-{ 
-    if (m_url.empty())
-        return false;
-    
-    wxCSConv conv( "UCS2" );
-    conv.FromWChar( (char*) buf, 2*m_url.Len()+2, m_url.wc_str() );
-    
-    return true;
+void wxURLDataObject::SetURL(const wxString& url)
+{
+    m_dobjURIList->SetURL(url);
+    m_dobjText->SetText(url);

 }
 
 }
 

-    // copy data from buffer to our data
-bool wxURLDataObject::SetData(size_t len, const void *buf)
-{ 
-    if (len == 0)
+wxString wxURLDataObject::GetURL() const
+{
+    if ( GetReceivedFormat() == g_fileAtom )

     {
     {

-        m_url = wxEmptyString;
-        return false;
+        // If we received the URL as an URI, use it.
+        return m_dobjURIList->GetURL();
+    }
+    else // Otherwise we either got it as text or didn't get anything yet.
+    {
+        // In either case using the text format should be fine.
+        return m_dobjText->GetText();

     }
     }

-    
-    wxCSConv conv( "UCS2" );
-    wxWCharBuffer res = conv.cMB2WC( (const char*) buf );
-    m_url = res;
-    int pos = m_url.Find( '\n' );
-    if (pos != wxNOT_FOUND)
-        m_url.Remove( pos, m_url.Len() - pos );
-    
-    return true;

 }
 
 }
 

-

 #endif // wxUSE_DATAOBJ
 #endif // wxUSE_DATAOBJ