set_hhomogeneous
Description:
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.
Parameters:
| this |
a `GtkStack` |
| hhomogeneous |
true to make this horizontally homogeneous |