Always use UTF-8 for GTK+ strings.

Strings returned and accepted by GTK+ functions always use UTF-8 independently
of the current locale and of the file name encoding we use. So use UTF-8
instead of wxConvFileName everywhere where we deal with GTK+ directly.

Closes #11743.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63549 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/dirdlg.cpp

@@ -172,7 +172,7 @@ void wxDirDialog::SetPath(const wxString& dir)
 wxString wxDirDialog::GetPath() const
 {
     wxGtkString str(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
-    return wxString(str, *wxConvFileName);
+    return wxString::FromUTF8(str);
 }
 
 #endif // wxUSE_DIRDLG

src/gtk/filectrl.cpp

@@ -47,7 +47,7 @@ wxString wxGtkFileChooser::GetPath() const
 
     wxString string;
     if (str.c_str() != NULL)
-        string = wxConvFileName->cMB2WX(str);
+        string = wxString::FromUTF8(str);
     return string;
 }
 
@@ -70,7 +70,7 @@ void wxGtkFileChooser::GetPaths( wxArrayString& paths ) const
         GSList *gpaths = gpathsi;
         while ( gpathsi )
         {
-            wxString file( wxConvFileName->cMB2WX( ( gchar* ) gpathsi->data ) );
+            wxString file(wxString::FromUTF8(static_cast<gchar *>(gpathsi->data)));
             paths.Add( file );
             g_free( gpathsi->data );
             gpathsi = gpathsi->next;
@@ -84,24 +84,21 @@ void wxGtkFileChooser::GetPaths( wxArrayString& paths ) const
 
 bool wxGtkFileChooser::SetPath( const wxString& path )
 {
-    if ( path.empty() ) return true;
+    if ( path.empty() )
+        return true;
 
-    return gtk_file_chooser_set_filename( m_widget,
+    return gtk_file_chooser_set_filename( m_widget, path.utf8_str() );
-                                          wxConvFileName->cWX2MB( path.c_str() ) );
 }
 
 bool wxGtkFileChooser::SetDirectory( const wxString& dir )
 {
-    const gboolean b =
+    return gtk_file_chooser_set_current_folder( m_widget, dir.utf8_str() ) != 0;
-        gtk_file_chooser_set_current_folder( m_widget,
-                                             wxConvFileName->cWX2MB( dir.c_str() ) );
-    return b != 0;
 }
 
 wxString wxGtkFileChooser::GetDirectory() const
 {
     const wxGtkString str( gtk_file_chooser_get_current_folder( m_widget ) );
-    return wxString( str, *wxConvFileName );
+    return wxString::FromUTF8(str);
 }
 
 wxString wxGtkFileChooser::GetFilename() const

src/gtk/filedlg.cpp

@@ -51,7 +51,7 @@ static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
 
                 msg.Printf(
                     _("File '%s' already exists, do you really want to overwrite it?"),
-                    wxString(filename, *wxConvFileName));
+                    wxString::FromUTF8(filename));
 
                 wxMessageDialog dlg(dialog, msg, _("Confirm"),
                                    wxYES_NO | wxICON_QUESTION);

src/gtk/hyperlink.cpp

@@ -151,7 +151,7 @@ wxString wxHyperlinkCtrl::GetURL() const
     if ( UseNative() )
     {
         const gchar *str = gtk_link_button_get_uri(GTK_LINK_BUTTON(m_widget));
-        return wxString(str, *wxConvFileName);
+        return wxString::FromUTF8(str);
     }
 
     return wxGenericHyperlinkCtrl::GetURL();