set_has_window

Specifies whether this has a Window of its own.

Note that all realized widgets have a non-null “window” pointer ( get_window never returns a null window when a widget is realized), but for many of them it’s actually the Window of one of its parent widgets. Widgets that do not create a window for themselves in realize must announce this by calling this function with has_window = false.

This function should only be called by widget implementations, and they should call it in their init function.

Parameters: