The ::window-state-event will be emitted when the state of the
toplevel window associated to the widget changes.
To receive this signal the GdkWindow associated to the widget
needs to enable the GDK_STRUCTURE_MASK mask. GDK will enable
this mask automatically for all new windows.
The ::window-state-event will be emitted when the state of the toplevel window associated to the widget changes. To receive this signal the GdkWindow associated to the widget needs to enable the GDK_STRUCTURE_MASK mask. GDK will enable this mask automatically for all new windows.