94 lines
2.8 KiB
Rust
94 lines
2.8 KiB
Rust
use std::rc::Rc;
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use gpui::{
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App, ElementId, InteractiveElement, IntoElement, MouseButton, ParentElement, RenderOnce,
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SharedString, StatefulInteractiveElement, Styled, Window, div,
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};
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use super::NumberInput;
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use crate::theme::{ActiveTheme, Radius};
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type OnUnit = Rc<dyn Fn(&SharedString, &mut Window, &mut App)>;
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/// A number with a unit you click through, such as px, % and em.
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#[derive(IntoElement)]
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pub struct UnitInput {
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field: NumberInput,
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units: Vec<SharedString>,
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unit: SharedString,
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on_unit: Option<OnUnit>,
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}
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impl UnitInput {
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pub fn new(
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id: impl Into<ElementId>,
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value: f64,
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units: impl IntoIterator<Item = impl Into<SharedString>>,
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unit: impl Into<SharedString>,
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) -> Self {
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let units: Vec<SharedString> = units.into_iter().map(Into::into).collect();
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let unit = unit.into();
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assert!(units.contains(&unit), "unit {unit} is not among {units:?}");
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Self {
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field: NumberInput::new(id, value),
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units,
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unit,
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on_unit: None,
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}
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}
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pub fn range(mut self, min: f64, max: f64) -> Self {
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self.field = self.field.range(min, max);
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self
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}
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pub fn precision(mut self, places: usize) -> Self {
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self.field = self.field.precision(places);
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self
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}
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pub fn on_change(mut self, handler: impl Fn(f64, &mut Window, &mut App) + 'static) -> Self {
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self.field = self.field.on_change(handler);
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self
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}
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/// Runs with the next unit when the unit is clicked.
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pub fn on_unit(
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mut self,
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handler: impl Fn(&SharedString, &mut Window, &mut App) + 'static,
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) -> Self {
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self.on_unit = Some(Rc::new(handler));
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self
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}
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}
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impl RenderOnce for UnitInput {
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fn render(self, _: &mut Window, cx: &mut App) -> impl IntoElement {
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let theme = cx.theme();
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let position = self
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.units
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.iter()
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.position(|unit| *unit == self.unit)
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.expect("checked at construction");
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let next = self.units[(position + 1) % self.units.len()].clone();
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let on_unit = self.on_unit;
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let hover = theme.colors.hover;
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let unit = div()
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.id((self.field.id.clone(), "unit"))
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.px_1p5()
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.rounded(theme.radius(Radius::Sm))
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.text_color(theme.colors.fg_muted)
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.cursor_pointer()
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.hover(|style| style.bg(hover))
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.on_mouse_down(MouseButton::Left, |_, window, _| window.prevent_default())
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.on_click(move |_, window, cx| {
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log::info!("unit input: {next}");
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if let Some(on_unit) = &on_unit {
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on_unit(&next, window, cx);
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}
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})
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.child(self.unit);
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self.field.suffix(unit)
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}
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}
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