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Draft new layout API

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This commit is contained in:
Héctor Ramón Jiménez 2019-11-10 01:55:32 +01:00
parent 839e039dbf
commit 2303111e09
30 changed files with 247 additions and 596 deletions
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52
native/src/widget/row.rs
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@ -1,6 +1,6 @@
use std::hash::Hash;
use crate::{Element, Event, Hasher, Layout, Node, Point, Style, Widget};
use crate::{layout, Element, Event, Hasher, Layout, Point, Rectangle, Widget};
/// A container that distributes its contents horizontally.
pub type Row<'a, Message, Renderer> =
@ -11,48 +11,20 @@ impl<'a, Message, Renderer> Widget<Message, Renderer>
where
Renderer: self::Renderer,
{
fn node(&self, renderer: &Renderer) -> Node {
let mut children: Vec<Node> = self
.children
.iter()
.map(|child| {
let mut node = child.widget.node(renderer);
let mut style = node.0.style();
style.margin.end =
stretch::style::Dimension::Points(f32::from(self.spacing));
node.0.set_style(style);
node
})
.collect();
if let Some(node) = children.last_mut() {
let mut style = node.0.style();
style.margin.end = stretch::style::Dimension::Undefined;
node.0.set_style(style);
}
let mut style = Style::default()
.width(self.width)
.height(self.height)
.max_width(self.max_width)
.max_height(self.max_height)
.padding(self.padding)
.align_self(self.align_self)
.align_items(self.align_items)
.justify_content(self.justify_content);
style.0.flex_direction = stretch::style::FlexDirection::Row;
Node::with_children(style, children)
fn layout(&self, renderer: &Renderer, limits: &layout::Limits) -> Layout {
// TODO
Layout::new(Rectangle {
x: 0.0,
y: 0.0,
width: 0.0,
height: 0.0,
})
}
fn on_event(
&mut self,
event: Event,
layout: Layout<'_>,
layout: &Layout,
cursor_position: Point,
messages: &mut Vec<Message>,
renderer: &Renderer,
@ -73,7 +45,7 @@ where
fn draw(
&self,
renderer: &mut Renderer,
layout: Layout<'_>,
layout: &Layout,
cursor_position: Point,
) -> Renderer::Output {
renderer.draw(&self, layout, cursor_position)
@ -101,7 +73,7 @@ pub trait Renderer: crate::Renderer + Sized {
fn draw<Message>(
&mut self,
row: &Row<'_, Message, Self>,
layout: Layout<'_>,
layout: &Layout,
cursor_position: Point,
) -> Self::Output;
}