}
	return 0;
      case WM_SETCURSOR:
	if (send_raw_mouse && LOWORD(lParam) == HTCLIENT) {
	    SetCursor(LoadCursor(NULL, IDC_ARROW));
	    return TRUE;
	}
	break;
      case WM_SYSCOLORCHANGE:
	if (cfg.system_colour) {
	    /* Refresh palette from system colours. */
	    /* XXX actually this zaps the entire palette. */
	    systopalette();
	    init_palette();
	    /* Force a repaint of the terminal window. */
	    term_invalidate(term);
	}
	break;
      case WM_AGENT_CALLBACK:
	{
	    struct agent_callback *c = (struct agent_callback *)lParam;
	    c->callback(c->callback_ctx, c->data, c->len);
	    sfree(c);
	}