Forms · NumberInput: blank shows a placeholder and commits only what is typed

src/forms/number/scrub.rs

@@ -0,0 +1,45 @@
+//! A number field with a label you drag.
+
+use gpui::{App, ElementId, IntoElement, RenderOnce, SharedString, Window};
+
+use super::NumberInput;
+
+/// A label you drag sideways to change a number, beside its field.
+#[derive(IntoElement)]
+pub struct ScrubInput {
+    field: NumberInput,
+}
+
+impl ScrubInput {
+    pub fn new(id: impl Into<ElementId>, label: impl Into<SharedString>, value: f64) -> Self {
+        let mut field = NumberInput::new(id, value);
+        field.scrub_label = Some(label.into());
+        Self { field }
+    }
+
+    pub fn range(mut self, min: f64, max: f64) -> Self {
+        self.field = self.field.range(min, max);
+        self
+    }
+
+    pub fn step(mut self, step: f64) -> Self {
+        self.field = self.field.step(step);
+        self
+    }
+
+    pub fn precision(mut self, places: usize) -> Self {
+        self.field = self.field.precision(places);
+        self
+    }
+
+    pub fn on_change(mut self, handler: impl Fn(f64, &mut Window, &mut App) + 'static) -> Self {
+        self.field = self.field.on_change(handler);
+        self
+    }
+}
+
+impl RenderOnce for ScrubInput {
+    fn render(self, _: &mut Window, _: &mut App) -> impl IntoElement {
+        self.field
+    }
+}