fixed inserting styled text into an empty control under GTK+ 2.0

[wxWidgets.git] / src / gtk1 / clipbrd.cpp

diff --git a/src/gtk1/clipbrd.cpp b/src/gtk1/clipbrd.cpp
index 6f316b16ee3d326f1759a0ecd82886c405695629..c5f0f8d6faee961780eb50f13b1d17740ba0b825 100644 (file)
--- a/src/gtk1/clipbrd.cpp
+++ b/src/gtk1/clipbrd.cpp
@@ -40,6 +40,10 @@
 GdkAtom  g_clipboardAtom   = 0;
 GdkAtom  g_targetsAtom     = 0;
 
+#if defined(__WXGTK20__) && wxUSE_UNICODE
+extern GdkAtom g_altTextAtom;
+#endif
+
 // the trace mask we use with wxLogTrace() - call
 // wxLog::AddTraceMask(TRACE_CLIPBOARD) to enable the trace messages from here
 // (there will be a *lot* of them!)
@@ -169,13 +173,16 @@ selection_received( GtkWidget *WXUNUSED(widget),
         return;
     }
 
-    /* make sure we got the data in the correct form (selection type).
-       if so, copy data to target object */
+#if 0
+    This seems to cause problems somehow
+    // make sure we got the data in the correct form (selection type).
+    // if so, copy data to target object
     if (selection_data->type != GDK_SELECTION_TYPE_STRING)
     {
         clipboard->m_waiting = FALSE;
         return;
     }
+#endif
 
     data_object->SetData( format, (size_t) selection_data->length, (const char*) selection_data->data );
 
@@ -243,6 +250,16 @@ selection_handler( GtkWidget *WXUNUSED(widget),
 
     wxDataFormat format( selection_data->target );
 
+#ifdef __WXDEBUG__
+    wxLogTrace(TRACE_CLIPBOARD,
+               _T("clipboard data in format %s, GtkSelectionData is target=%s type=%s selection=%s"),
+               format.GetId().c_str(),
+               wxString::FromAscii(gdk_atom_name(selection_data->target)).c_str(),
+               wxString::FromAscii(gdk_atom_name(selection_data->type)).c_str(),
+               wxString::FromAscii(gdk_atom_name(selection_data->selection)).c_str()
+               );
+#endif
+    
     if (!data->IsSupportedFormat( format )) return;
 
     int size = data->GetDataSize( format );
@@ -254,12 +271,27 @@ selection_handler( GtkWidget *WXUNUSED(widget),
     // Text data will be in UTF8 in Unicode mode.
     data->GetDataHere( selection_data->target, d );
 
-    gtk_selection_data_set(
-        selection_data,
-        GDK_SELECTION_TYPE_STRING,
-        8*sizeof(gchar),
-        (unsigned char*) d,
-        size );
+#ifdef __WXGTK20__
+    // NB: GTK+ requires special treatment of UTF8_STRING data, the text
+    //     would show as UTF-8 data interpreted as latin1 (?) in other
+    //     GTK+ apps if we used gtk_selection_data_set()
+    if (format == wxDataFormat(wxDF_UNICODETEXT))
+    {
+        gtk_selection_data_set_text(
+            selection_data,
+            (const gchar*)d,
+            size);
+    }
+    else
+#endif
+    {
+        gtk_selection_data_set(
+            selection_data,
+            GDK_SELECTION_TYPE_STRING,
+            8*sizeof(gchar),
+            (unsigned char*) d,
+            size );
+    }
 
     free(d);
 }
@@ -273,6 +305,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxClipboard,wxObject)
 wxClipboard::wxClipboard()
 {
     m_open = FALSE;
+    m_waiting = FALSE;
 
     m_ownsClipboard = FALSE;
     m_ownsPrimarySelection = FALSE;
@@ -470,11 +503,9 @@ bool wxClipboard::IsSupported( const wxDataFormat& format )
     /* store requested format to be asked for by callbacks */
     m_targetRequested = format;
 
-#if 0
     wxLogTrace( TRACE_CLIPBOARD,
                 wxT("wxClipboard:IsSupported: requested format: %s"),
                 format.GetId().c_str() );
-#endif
 
     wxCHECK_MSG( m_targetRequested, FALSE, wxT("invalid clipboard format") );
 
@@ -498,9 +529,16 @@ bool wxClipboard::IsSupported( const wxDataFormat& format )
 
     while (m_waiting) gtk_main_iteration();
 
-    if (!m_formatSupported) return FALSE;
+#if defined(__WXGTK20__) && wxUSE_UNICODE
+    if (!m_formatSupported && format == wxDataFormat(wxDF_UNICODETEXT))
+    {
+        // Another try with plain STRING format
+        extern GdkAtom g_altTextAtom;
+        return IsSupported(g_altTextAtom);
+    }
+#endif
 
-    return TRUE;
+    return m_formatSupported;
 }
 
 bool wxClipboard::GetData( wxDataObject& data )