long /*int*/ menuItemSelected(long /*int*/ widget, ToolItem item) { Event event = new Event(); switch (item.style) { case SWT.DROP_DOWN: /* * Feature in GTK. The DROP_DOWN item does not * contain arrow button in the overflow menu. So, it * is impossible to select the menu of that item. * The fix is to consider the item selection * as Arrow click, in order to popup the drop-down. */ event.detail = SWT.ARROW; GtkAllocation allocation = new GtkAllocation(); OS.gtk_widget_get_allocation(widget, allocation); event.x = allocation.x; if ((style & SWT.MIRRORED) != 0) event.x = getClientWidth() - allocation.width - event.x; event.y = allocation.y + allocation.height; break; case SWT.RADIO: if ((style & SWT.NO_RADIO_GROUP) == 0) item.selectRadio(); break; case SWT.CHECK: boolean currentSelection = item.getSelection(); item.setSelection(!currentSelection); } item.sendSelectionEvent(SWT.Selection, event, false); return 0; }