HasInSubset
if (nextModal != NULL && !nextModal->HasInSubset(window))
if (behindOf != NULL && window->HasInSubset(behindOf))
&& floating->HasInSubset(fFront)) {
if (modal->HasInSubset(window))
if (subset->HasInSubset(window)) {
&& window->HasInSubset(front))
&& window->HasInSubset(movedWindow))) {
if (window->HasInSubset(this))
if (HasInSubset(window))
if (window->HasInSubset(this))
bool HasInSubset(const Window* window) const;