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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| use yakui_core::geometry::{Color, Constraints, Rect, Vec2}; | ||
| use yakui_core::paint::PaintRect; | ||
| use yakui_core::widget::{LayoutContext, PaintContext, Widget}; | ||
| use yakui_core::Response; | ||
|
|
||
| pub fn divider(color: Color, height: f32, thickness: f32) -> Response<DividerResponse> { | ||
| Divider::new(color, height, thickness).show() | ||
| } | ||
|
|
||
| /// A horizontal divider line. Will take up the whole width of the parent. | ||
| /// | ||
| /// The line width is determined by the parent's width after the layout phase. | ||
| /// | ||
| /// Responds with [DividerResponse]. | ||
| #[derive(Debug)] | ||
| #[non_exhaustive] | ||
| pub struct Divider { | ||
| /// The color of the divider. | ||
| pub color: Color, | ||
| /// The thickness of the divider. | ||
| pub thickness: f32, | ||
| /// The height of the divider. | ||
| /// How much vertical space it takes up. | ||
| pub height: f32, | ||
| /// The indent of the divider from the left. | ||
| pub indent: f32, | ||
| /// The indent of the divider from the right. | ||
| pub end_indent: f32, | ||
| } | ||
|
|
||
| impl Divider { | ||
| pub fn new(color: Color, height: f32, thickness: f32) -> Self { | ||
| Self { | ||
| color, | ||
| thickness, | ||
| height, | ||
| indent: 0.0, | ||
| end_indent: 0.0, | ||
| } | ||
| } | ||
|
|
||
| pub fn show(self) -> Response<DividerResponse> { | ||
| yakui_widgets::util::widget::<DividerWidget>(self) | ||
| } | ||
| } | ||
|
|
||
| #[derive(Debug)] | ||
| pub struct DividerWidget { | ||
| props: Divider, | ||
| } | ||
|
|
||
| pub type DividerResponse = (); | ||
|
|
||
| impl Widget for DividerWidget { | ||
| type Props<'a> = Divider; | ||
| type Response = DividerResponse; | ||
|
|
||
| fn new() -> Self { | ||
| Self { | ||
| props: Divider::new(Color::WHITE, 0.0, 0.0), | ||
| } | ||
| } | ||
|
|
||
| fn update(&mut self, props: Self::Props<'_>) -> Self::Response { | ||
| self.props = props; | ||
| } | ||
|
|
||
| fn layout(&self, _ctx: LayoutContext<'_>, input: Constraints) -> Vec2 { | ||
| // We say we dont take horizontal space to avoid the divider making | ||
| // the parent wider than it should be. | ||
| Vec2::new(0.0, self.props.height.clamp(input.min.y, input.max.y)) | ||
| } | ||
|
|
||
| fn paint(&self, ctx: PaintContext<'_>) { | ||
| let id = ctx.dom.current(); | ||
| let Some(parent) = ctx.dom.get(id).unwrap().parent else { | ||
| return; | ||
| }; | ||
| let line_width = ctx.layout.get(parent).unwrap().rect.size().x; | ||
|
|
||
| let outer_rect = ctx.layout.get(id).unwrap().rect; | ||
|
|
||
| let line_pos = outer_rect.pos() | ||
| + Vec2::new( | ||
| self.props.indent, | ||
| (outer_rect.size().y - self.props.thickness) / 2.0, | ||
| ); | ||
| let line_size = Vec2::new( | ||
| line_width - self.props.indent - self.props.end_indent, | ||
| self.props.thickness, | ||
| ); | ||
|
|
||
| let mut line_rect = PaintRect::new(Rect::from_pos_size(line_pos, line_size)); | ||
| line_rect.color = self.props.color; | ||
| line_rect.add(ctx.paint); | ||
| } | ||
| } |
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