deprecated: 3.6 since: 3.0
gboolean gtk_theming_engine_state_is_running ( GtkThemingEngine* engine, GtkStateType state, gdouble* progress )
TRUE if there is a transition animation running for the
current region (see gtk_style_context_push_animatable_region()).
progress is not
NULL, the animation progress will be returned
there, 0.0 means the state is closest to being
FALSE, while 1.0 means
it’s closest to being
TRUE. This means transition animations will
run from 0 to 1 when
state is being set to
TRUE and from 1 to 0 when
it’s being set to
Available since: 3.0
Deprecated since: 3.6
A widget state.
Return location for the transition progress.
The argument will be set by the function.