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Make the ParamSlider generic over all param types

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Robbert van der Helm 2022-02-09 11:13:51 +01:00
parent 857cf876e8
commit 46a7d8a261
1 changed files with 6 additions and 8 deletions
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14
nih_plug_egui/src/widgets/param_slider.rs
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@ -1,23 +1,21 @@
use egui::{vec2, Color32, Response, Sense, Stroke, TextStyle, Ui, Widget};
use nih_plug::{FloatParam, Param, ParamSetter};
use nih_plug::{Param, ParamSetter};
/// A slider widget similar to [egui::widgets::Slider] that knows about NIH-plug parameters ranges
/// and can get values for it.
///
/// TODO: To keep things simple this currently only supports FloatParam, but it should be generic
/// over any kind of parameter
/// TODO: Vertical orientation
/// TODO: (before I forget) mouse scrolling, ctrl+click and double click to reset
pub struct ParamSlider<'a> {
param: &'a FloatParam,
pub struct ParamSlider<'a, P: Param> {
param: &'a P,
setter: &'a ParamSetter<'a>,
}
impl<'a> ParamSlider<'a> {
impl<'a, P: Param> ParamSlider<'a, P> {
/// Create a new slider for a parameter. Use the other methods to modify the slider before
/// passing it to [Ui::add()].
pub fn for_param(param: &'a FloatParam, setter: &'a ParamSetter<'a>) -> Self {
pub fn for_param(param: &'a P, setter: &'a ParamSetter<'a>) -> Self {
Self { param, setter }
}
@ -33,7 +31,7 @@ impl<'a> ParamSlider<'a> {
}
}
impl Widget for ParamSlider<'_> {
impl<P: Param> Widget for ParamSlider<'_, P> {
fn ui(self, ui: &mut Ui) -> Response {
// Allocate space, but add some padding on the top and bottom to make it look a bit slimmer.
let height = ui