int clr_alpha = pwindow->thread->edl->session->cwindow_clear_alpha;
add_subwindow(cwdw_bg_color = new Composer_BG_Color(pwindow,
x2, y, xS(80), yS(24), clr_color, clr_alpha));
int clr_alpha = pwindow->thread->edl->session->cwindow_clear_alpha;
add_subwindow(cwdw_bg_color = new Composer_BG_Color(pwindow,
x2, y, xS(80), yS(24), clr_color, clr_alpha));