+void BC_WindowBase::get_fullscreen_geometry(int &wx, int &wy, int &ww, int &wh)
+{
+ XineramaScreenInfo *info = top_level->get_xinerama_info(-1);
+ if( info ) {
+ wx = info->x_org; wy = info->y_org;
+ ww = info->width; wh = info->height;
+ }
+ else {
+ wx = get_screen_x(0, -1);
+ wy = get_screen_y(0, -1);
+ int scr_w0 = get_screen_w(0, 0);
+ int root_w = get_root_w(0);
+ int root_h = get_root_h(0);
+ if( root_w > scr_w0 ) { // multi-headed
+ if( wx >= scr_w0 ) {
+ // assumes right side is the big one
+ ww = root_w - scr_w0;
+ wh = root_h;
+ }
+ else {
+ // use same aspect ratio to compute left height
+ ww = scr_w0;
+ wh = (w*root_h) / (root_w-scr_w0);
+ }
+ }
+ else {
+ ww = root_w;
+ wh = root_h;
+ }
+ }
+}
+