Fixed mime type recognition under Gnome by reading appropriate

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

diff --git a/src/gtk/dataobj.cpp b/src/gtk/dataobj.cpp
index c9e08da558ff2f556bea9f7c5b8daefe0288cb8b..d0a49bf29a5740e957d0562353b05c3e951cf223 100644 (file)
--- a/src/gtk/dataobj.cpp
+++ b/src/gtk/dataobj.cpp
@@ -17,14 +17,13 @@
 #ifndef WX_PRECOMP
     #include "wx/log.h"
     #include "wx/app.h"
 #ifndef WX_PRECOMP
     #include "wx/log.h"
     #include "wx/app.h"

+    #include "wx/image.h"

 #endif
 
 #endif
 

-#include "wx/debug.h"

 #include "wx/mstream.h"
 #include "wx/mstream.h"

-#include "wx/image.h"

 #include "wx/uri.h"
 
 #include "wx/uri.h"
 

-#include <gdk/gdk.h>
+#include "wx/gtk/private.h"

 
 //-------------------------------------------------------------------------
 // global data
 
 //-------------------------------------------------------------------------
 // global data


@@ -59,13 +58,7 @@ wxDataFormat::wxDataFormat( wxDataFormatId type )
     SetType( type );
 }
 
     SetType( type );
 }
 

-wxDataFormat::wxDataFormat( const wxChar *id )
-{
-    PrepareFormats();
-    SetId( id );
-}
-
-wxDataFormat::wxDataFormat( const wxString &id )
+void wxDataFormat::InitFromString( const wxString &id )

 {
     PrepareFormats();
     SetId( id );
 {
     PrepareFormats();
     SetId( id );


@@ -111,10 +104,8 @@ wxDataFormatId wxDataFormat::GetType() const
 
 wxString wxDataFormat::GetId() const
 {
 
 wxString wxDataFormat::GetId() const
 {

-    gchar* atom_name = gdk_atom_name( m_format );
-    wxString ret = wxString::FromAscii( atom_name );
-    g_free(atom_name);
-    return ret;
+    wxGtkString atom_name(gdk_atom_name(m_format));
+    return wxString::FromAscii(atom_name);

 }
 
 void wxDataFormat::SetId( NativeFormat format )
 }
 
 void wxDataFormat::SetId( NativeFormat format )


@@ -141,12 +132,11 @@ void wxDataFormat::SetId( NativeFormat format )
         m_type = wxDF_PRIVATE;
 }
 
         m_type = wxDF_PRIVATE;
 }
 

-void wxDataFormat::SetId( const wxChar *id )
+void wxDataFormat::SetId( const wxString& id )

 {
     PrepareFormats();
     m_type = wxDF_PRIVATE;
 {
     PrepareFormats();
     m_type = wxDF_PRIVATE;

-    wxString tmp( id );
-    m_format = gdk_atom_intern( (const char*) tmp.ToAscii(), FALSE );
+    m_format = gdk_atom_intern( id.ToAscii(), FALSE );

 }
 
 void wxDataFormat::PrepareFormats()
 }
 
 void wxDataFormat::PrepareFormats()


@@ -159,12 +149,14 @@ void wxDataFormat::PrepareFormats()
     //     text/uri-list for file dnd because compatibility is not important
     //     here (with whom?)
     if (!g_textAtom)
     //     text/uri-list for file dnd because compatibility is not important
     //     here (with whom?)
     if (!g_textAtom)

+    {

 #if wxUSE_UNICODE
         g_textAtom = gdk_atom_intern( "UTF8_STRING", FALSE );
         g_altTextAtom = gdk_atom_intern( "STRING", FALSE );
 #else
         g_textAtom = gdk_atom_intern( "STRING" /* "text/plain" */, FALSE );
 #endif
 #if wxUSE_UNICODE
         g_textAtom = gdk_atom_intern( "UTF8_STRING", FALSE );
         g_altTextAtom = gdk_atom_intern( "STRING", FALSE );
 #else
         g_textAtom = gdk_atom_intern( "STRING" /* "text/plain" */, FALSE );
 #endif

+    }

     if (!g_pngAtom)
         g_pngAtom = gdk_atom_intern( "image/png", FALSE );
     if (!g_fileAtom)
     if (!g_pngAtom)
         g_pngAtom = gdk_atom_intern( "image/png", FALSE );
     if (!g_fileAtom)


@@ -214,13 +206,17 @@ bool wxDataObject::IsSupportedFormat(const wxDataFormat& format, Direction dir)
 // wxTextDataObject
 // ----------------------------------------------------------------------------
 
 // wxTextDataObject
 // ----------------------------------------------------------------------------
 

-#if defined(__WXGTK20__) && wxUSE_UNICODE
-void wxTextDataObject::GetAllFormats(wxDataFormat *formats, wxDataObjectBase::Direction dir) const
+#if wxUSE_UNICODE
+
+void
+wxTextDataObject::GetAllFormats(wxDataFormat *formats,
+                                wxDataObjectBase::Direction WXUNUSED(dir)) const

 {
     *formats++ = GetPreferredFormat();
     *formats = g_altTextAtom;
 }
 {
     *formats++ = GetPreferredFormat();
     *formats = g_altTextAtom;
 }

-#endif
+
+#endif // wxUSE_UNICODE

 
 // ----------------------------------------------------------------------------
 // wxFileDataObject
 
 // ----------------------------------------------------------------------------
 // wxFileDataObject


@@ -237,7 +233,7 @@ bool wxFileDataObject::GetDataHere(void *buf) const
         filenames += wxT("\r\n");
     }
 
         filenames += wxT("\r\n");
     }
 

-    memcpy( buf, filenames.mbc_str(), filenames.Len() + 1 );
+    memcpy( buf, filenames.mbc_str(), filenames.length() + 1 );

 
     return true;
 }
 
     return true;
 }


@@ -249,7 +245,7 @@ size_t wxFileDataObject::GetDataSize() const
     for (size_t i = 0; i < m_filenames.GetCount(); i++)
     {
         // This is junk in UTF-8
     for (size_t i = 0; i < m_filenames.GetCount(); i++)
     {
         // This is junk in UTF-8

-        res += m_filenames[i].Len();
+        res += m_filenames[i].length();

         res += 5 + 2; // "file:" (5) + "\r\n" (2)
     }
 
         res += 5 + 2; // "file:" (5) + "\r\n" (2)
     }
 


@@ -258,48 +254,56 @@ size_t wxFileDataObject::GetDataSize() const
 
 bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf)
 {
 
 bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf)
 {

+    // we get data in the text/uri-list format, i.e. as a sequence of URIs
+    // (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();
 
     m_filenames.Empty();
 

-    // we get data in the text/uri-list format, i.e. as a sequence of URIs
-    // (filenames prefixed by "file:") delimited by "\r\n"
-    wxString filename;
-    for ( const char *p = (const char *)buf; ; p++ )
+    const gchar *nexttemp = (const gchar*) buf;
+    for ( ; ; )

     {
     {

-        // some broken programs (testdnd GTK+ sample!) omit the trailing
-        // "\r\n", so check for '\0' explicitly here instead of doing it in
-        // the loop statement to account for it
-        if ( (*p == '\r' && *(p+1) == '\n') || !*p )
+        int len = 0;
+        const gchar *temp = nexttemp;
+        for (;;)

         {
         {

-            size_t lenPrefix = 5; // strlen("file:")
-            if ( filename.Left(lenPrefix).MakeLower() == _T("file:") )
+            if (temp[len] == 0)

             {
             {

-                // sometimes the syntax is "file:filename", sometimes it's
-                // URL-like: "file://filename" - deal with both
-                if ( filename[lenPrefix] == _T('/') &&
-                     filename[lenPrefix + 1] == _T('/') )
+                if (len > 0)

                 {
                 {

-                    // skip the slashes
-                    lenPrefix += 2;
+                    // if an app omits '\r''\n'
+                    nexttemp = temp+len;
+                    break;

                 }
                 }

-
-                AddFile(wxURI::Unescape(filename.c_str() + lenPrefix));
-                filename.Empty();
+                    
+                return true;

             }
             }

-            else if ( !filename.empty() )
+            if (temp[len] == '\r')

             {
             {

-                wxLogDebug(_T("Unsupported URI \"%s\" in wxFileDataObject"),
-                           filename.c_str());
-            }
-
-            if ( !*p )
+                if (temp[len+1] == '\n')
+                    nexttemp = temp+len+2;
+                else
+                    nexttemp = temp+len+1;

                 break;
                 break;

-
-            // skip '\r'
-            p++;
+            }
+            len++;

         }
         }

-        else
+        
+        if (len == 0)
+            break;
+        
+        // required to give it a trailing zero
+        gchar *uri = g_strndup( temp, len );
+    
+        gchar *fn = g_filename_from_uri( uri, NULL, NULL );
+        
+        g_free( uri );
+    
+        if (fn)

         {
         {

-            filename += *p;
+            AddFile( wxConvFileName->cMB2WX( fn ) );
+            g_free( fn );

         }
     }
 
         }
     }
 


@@ -400,4 +404,53 @@ void wxBitmapDataObject::DoConvertToPng()
     image.SaveFile(mstream, wxBITMAP_TYPE_PNG);
 }
 
     image.SaveFile(mstream, wxBITMAP_TYPE_PNG);
 }
 

+// ----------------------------------------------------------------------------
+// wxURLDataObject
+// ----------------------------------------------------------------------------
+
+wxURLDataObject::wxURLDataObject(const wxString& url) :
+   wxDataObjectSimple( wxDataFormat( gdk_atom_intern("text/x-moz-url",FALSE) ) )
+{
+   m_url = url;
+}
+
+size_t wxURLDataObject::GetDataSize() const
+{ 
+    if (m_url.empty())
+        return 0;
+        
+    return 2*m_url.Len()+2;
+}
+
+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;
+}
+
+    // copy data from buffer to our data
+bool wxURLDataObject::SetData(size_t len, const void *buf)
+{ 
+    if (len == 0)
+    {
+        m_url = wxEmptyString;
+        return false;
+    }
+    
+    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