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Add Text widget

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This commit is contained in:
Joscha 2024-03-07 19:00:20 +01:00
parent fe33465564
commit dc6265f837
7 changed files with 373 additions and 4 deletions
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17
showbits-common/src/widget.rs
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@ -3,6 +3,8 @@ use taffy::{AvailableSpace, Size};
use crate::{Node, View};
pub trait Widget<C> {
/// Used for the measure function in
/// [`taffy::TaffyTree::compute_layout_with_measure`].
#[allow(unused_variables)]
fn size(
&mut self,
@ -13,8 +15,19 @@ pub trait Widget<C> {
Size::ZERO
}
fn draw_below(&mut self, ctx: &mut C, view: &mut View<'_>) -> anyhow::Result<()>;
fn draw_above(&mut self, ctx: &mut C, view: &mut View<'_>) -> anyhow::Result<()>;
/// Called before all children are drawn.
///
/// Prefer this over [`Self::draw_above`] when implementing a leaf widget.
#[allow(unused_variables)]
fn draw_below(&mut self, ctx: &mut C, view: &mut View<'_>) -> anyhow::Result<()> {
Ok(())
}
/// Called after all children are drawn.
#[allow(unused_variables)]
fn draw_above(&mut self, ctx: &mut C, view: &mut View<'_>) -> anyhow::Result<()> {
Ok(())
}
}
pub type BoxedWidget<C> = Box<dyn Widget<C>>;