+ if (g_isIdle) wxapp_install_idle_handler();
+
+ int style = dialog->GetStyle();
+
+ GtkFileSelection *filedlg = GTK_FILE_SELECTION(dialog->m_widget);
+ char *filename = gtk_file_selection_get_filename(filedlg);
+
+ if ( (style & wxSAVE) && ( style & wxOVERWRITE_PROMPT ) )
+ {
+ if (wxFileExists( filename ))
+ {
+ wxString msg;
+ msg.Printf( _("File '%s' already exists, do you really want to "
+ "overwrite it?"), filename);
+
+ if (wxMessageBox(msg, _("Confirm"), wxYES_NO) != wxYES)
+ return;
+ }
+ }
+ else if ( (style & wxOPEN) && ( style & wxFILE_MUST_EXIST) )
+ {
+ if ( !wxFileExists( filename ) )
+ {
+ wxMessageBox(_("Please choose an existing file."), _("Error"), wxOK);
+
+ return;
+ }
+ }
+
+ // change to the directory where the user went if asked
+ if ( style & wxCHANGE_DIR )
+ {
+ wxString cwd;
+ wxSplitPath(filename, &cwd, NULL, NULL);
+
+ if ( cwd != wxGetCwd() )
+ {
+ wxSetWorkingDirectory(cwd);
+ }
+ }
+
+ dialog->SetPath( filename );
+
+ wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
+ event.SetEventObject( dialog );
+ dialog->GetEventHandler()->ProcessEvent( event );