use glib::{translate::*, Value};
use crate::{prelude::*, ClosureExpression, Expression};
define_expression!(ClosureExpression, ffi::GtkClosureExpression);
impl ClosureExpression {
#[doc(alias = "gtk_closure_expression_new")]
pub fn new<R>(
params: impl IntoIterator<Item = impl AsRef<Expression>>,
closure: glib::RustClosure,
) -> Self
where
R: ValueType,
{
assert_initialized_main_thread!();
let params = params
.into_iter()
.map(|e| e.as_ref().clone())
.collect::<Vec<_>>();
unsafe {
from_glib_full(ffi::gtk_closure_expression_new(
R::Type::static_type().into_glib(),
closure.as_ref().to_glib_none().0,
params.len() as u32,
params.to_glib_full(),
))
}
}
#[doc(alias = "gtk_closure_expression_new")]
pub fn with_callback<R, F>(
params: impl IntoIterator<Item = impl AsRef<Expression>>,
callback: F,
) -> Self
where
F: Fn(&[Value]) -> R + 'static,
R: ValueType,
{
assert_initialized_main_thread!();
let closure = glib::Closure::new_local(move |values| {
let ret = callback(values);
Some(ret.to_value())
});
let params = params
.into_iter()
.map(|e| e.as_ref().clone())
.collect::<Vec<_>>();
unsafe {
from_glib_full(ffi::gtk_closure_expression_new(
R::Type::static_type().into_glib(),
closure.to_glib_none().0,
params.len() as u32,
params.to_glib_full(),
))
}
}
}