Sets the #GtkStack to be horizontally homogeneous or not. If it is homogeneous, the #GtkStack will request the same width for all its children. If it isn't, the stack may change width when a different child becomes visible.
%TRUE to make @stack horizontally homogeneous
3.16
See Implementation
Sets the #GtkStack to be horizontally homogeneous or not. If it is homogeneous, the #GtkStack will request the same width for all its children. If it isn't, the stack may change width when a different child becomes visible.