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Move the main slider to a function

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This commit is contained in:
Robbert van der Helm 2022-02-09 19:17:46 +01:00
parent cd50d5bb77
commit 87b31f4c2f
1 changed files with 33 additions and 31 deletions
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64
nih_plug_egui/src/widgets/param_slider.rs
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@ -84,7 +84,7 @@ impl<'a, P: Param> ParamSlider<'a, P> {
ui.memory()
.data
.get_temp(*DRAG_NORMALIZED_START_VALUE_MEMORY_ID)
.unwrap_or(0.0)
.unwrap_or(0.5)
}
fn set_drag_normalized_start_value_memory(ui: &Ui, amount: f32) {
@ -103,38 +103,11 @@ impl<'a, P: Param> ParamSlider<'a, P> {
fn set_drag_amount_memory(ui: &Ui, amount: f32) {
ui.memory().data.insert_temp(*DRAG_AMOUNT_MEMORY_ID, amount);
}
}
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
.fonts()
.row_height(TextStyle::Body)
.max(ui.spacing().interact_size.y);
let slider_height = ui.painter().round_to_pixel(height * 0.65);
let response = ui
.vertical(|ui| {
ui.allocate_space(vec2(
ui.spacing().slider_width,
(height - slider_height) / 2.0,
));
let response = ui.allocate_response(
vec2(ui.spacing().slider_width, slider_height),
Sense::click_and_drag(),
);
ui.allocate_space(vec2(
ui.spacing().slider_width,
(height - slider_height) / 2.0,
));
response
})
.inner;
fn slider_ui(&self, ui: &Ui, response: &Response) {
// Handle user input
// TODO: Optionally (since it can be annoying) add scrolling behind a builder option
// TODO: Optionally add alt+click for value entry?
// TODO: Handle shift+drag being more granular
if response.drag_started() {
// When beginning a drag or dragging normally, reset the memory used to keep track of
// our granular drag
@ -186,9 +159,38 @@ impl<P: Param> Widget for ParamSlider<'_, P> {
0.0,
Stroke::new(1.0, ui.visuals().widgets.active.bg_fill),
);
// TODO: Render the text
}
}
}
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
.fonts()
.row_height(TextStyle::Body)
.max(ui.spacing().interact_size.y);
let slider_height = ui.painter().round_to_pixel(height * 0.65);
let response = ui
.vertical(|ui| {
ui.allocate_space(vec2(
ui.spacing().slider_width,
(height - slider_height) / 2.0,
));
let response = ui.allocate_response(
vec2(ui.spacing().slider_width, slider_height),
Sense::click_and_drag(),
);
ui.allocate_space(vec2(
ui.spacing().slider_width,
(height - slider_height) / 2.0,
));
response
})
.inner;
// TODO: Render the text
self.slider_ui(ui, &response);
response
}