References: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/4288
4IA7K77KPR33PP6IKI6OQ2OXMCHCAZZXNYNQXETE6TJQQ6F6CM3QC
if ((xdg_surface = wlr_xdg_surface_try_from_wlr_surface(root_surface))) {
while (1) {
switch (xdg_surface->role) {
case WLR_XDG_SURFACE_ROLE_POPUP:
if (!xdg_surface->popup->parent)
return -1;
else if (!wlr_xdg_surface_try_from_wlr_surface(xdg_surface->popup->parent))
return toplevel_from_wlr_surface(xdg_surface->popup->parent, pc, pl);
xdg_surface = wlr_xdg_surface_try_from_wlr_surface(root_surface);
while (xdg_surface) {
tmp_xdg_surface = NULL;
switch (xdg_surface->role) {
case WLR_XDG_SURFACE_ROLE_POPUP:
if (!xdg_surface->popup || !xdg_surface->popup->parent)
return -1;
tmp_xdg_surface = wlr_xdg_surface_try_from_wlr_surface(xdg_surface->popup->parent);
if (!tmp_xdg_surface)
return toplevel_from_wlr_surface(xdg_surface->popup->parent, pc, pl);
xdg_surface = wlr_xdg_surface_try_from_wlr_surface(xdg_surface->popup->parent);
break;
case WLR_XDG_SURFACE_ROLE_TOPLEVEL:
c = xdg_surface->data;
type = c->type;
goto end;
case WLR_XDG_SURFACE_ROLE_NONE:
return -1;
}
xdg_surface = tmp_xdg_surface;
break;
case WLR_XDG_SURFACE_ROLE_TOPLEVEL:
c = xdg_surface->data;
type = c->type;
goto end;
case WLR_XDG_SURFACE_ROLE_NONE:
return -1;