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Add back a ParamWidgetBase::view with explicit cx

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The version that returns a callback is nice, but it's a bit awkward when
dealing with multiple parameters.
This commit is contained in:
Robbert van der Helm 2022-11-11 19:23:29 +01:00
parent 3cdae526fd
commit 7d42788be2
1 changed files with 38 additions and 24 deletions
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24
nih_plug_vizia/src/widgets/param_base.rs
View file

@ -117,13 +117,12 @@ impl ParamWidgetBase {
/// Create a view using the a parameter's data. This is not tied to a particular /// Create a view using the a parameter's data. This is not tied to a particular
/// [`ParamWidgetBase`] instance, but it allows you to easily create lenses for the parameter's /// [`ParamWidgetBase`] instance, but it allows you to easily create lenses for the parameter's
/// values and access static parameter data. /// values and access static parameter data.
/// pub fn view<L, Params, P, FMap, F, R>(
/// This can be used directly as an argument to [`View::build()`]. cx: &mut Context,
pub fn build_view<L, Params, P, FMap, F, R>(
params: L, params: L,
params_to_param: FMap, params_to_param: FMap,
content: F, content: F,
) -> impl FnOnce(&mut Context) -> R ) -> R
where where
L: Lens<Target = Params> + Clone, L: Lens<Target = Params> + Clone,
Params: 'static, Params: 'static,
@ -131,7 +130,6 @@ impl ParamWidgetBase {
FMap: Fn(&Params) -> &P + Copy + 'static, FMap: Fn(&Params) -> &P + Copy + 'static,
F: FnOnce(&mut Context, ParamWidgetData<L, Params, P, FMap>) -> R, F: FnOnce(&mut Context, ParamWidgetData<L, Params, P, FMap>) -> R,
{ {
move |cx| {
// We'll provide the raw `&P` to the callbacks to make creating parameter widgets more // We'll provide the raw `&P` to the callbacks to make creating parameter widgets more
// convenient. // convenient.
// SAFETY: This &P won't outlive this function, and in the context of NIH-plug &P will // SAFETY: This &P won't outlive this function, and in the context of NIH-plug &P will
@ -153,6 +151,22 @@ impl ParamWidgetBase {
content(cx, param_data) content(cx, param_data)
} }
/// A shorthand for [`view()`][Self::view()] that can be used directly as an argument to
/// [`View::build()`].
pub fn build_view<L, Params, P, FMap, F, R>(
params: L,
params_to_param: FMap,
content: F,
) -> impl FnOnce(&mut Context) -> R
where
L: Lens<Target = Params> + Clone,
Params: 'static,
P: Param + 'static,
FMap: Fn(&Params) -> &P + Copy + 'static,
F: FnOnce(&mut Context, ParamWidgetData<L, Params, P, FMap>) -> R,
{
move |cx| Self::view(cx, params, params_to_param, content)
} }
/// Convenience function for using [`ParamWidgetData::make_lens()`]. Whenever possible, /// Convenience function for using [`ParamWidgetData::make_lens()`]. Whenever possible,