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Draft custom layout engine based on druid

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This commit is contained in:
Héctor Ramón Jiménez 2019-11-10 06:05:20 +01:00
parent 2303111e09
commit 0240c3981b
38 changed files with 974 additions and 249 deletions
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20
native/src/widget/slider.rs
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@ -7,7 +7,7 @@
use std::hash::Hash;
use crate::input::{mouse, ButtonState};
use crate::{layout, Element, Event, Hasher, Layout, Point, Widget};
use crate::{layout, Element, Event, Hasher, Layout, Length, Point, Widget};
pub use iced_core::slider::*;
@ -15,14 +15,22 @@ impl<'a, Message, Renderer> Widget<Message, Renderer> for Slider<'a, Message>
where
Renderer: self::Renderer,
{
fn layout(&self, renderer: &Renderer, limits: &layout::Limits) -> Layout {
fn width(&self) -> Length {
self.width
}
fn layout(
&self,
renderer: &Renderer,
limits: &layout::Limits,
) -> layout::Node {
renderer.layout(&self, limits)
}
fn on_event(
&mut self,
event: Event,
layout: &Layout,
layout: Layout<'_>,
cursor_position: Point,
messages: &mut Vec<Message>,
_renderer: &Renderer,
@ -70,7 +78,7 @@ where
fn draw(
&self,
renderer: &mut Renderer,
layout: &Layout,
layout: Layout<'_>,
cursor_position: Point,
) -> Renderer::Output {
renderer.draw(&self, layout, cursor_position)
@ -97,7 +105,7 @@ pub trait Renderer: crate::Renderer {
&self,
slider: &Slider<'_, Message>,
limits: &layout::Limits,
) -> Layout;
) -> layout::Node;
/// Draws a [`Slider`].
///
@ -114,7 +122,7 @@ pub trait Renderer: crate::Renderer {
fn draw<Message>(
&mut self,
slider: &Slider<'_, Message>,
layout: &Layout,
layout: Layout<'_>,
cursor_position: Point,
) -> Self::Output;
}