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Refactor ListItem into Bullet in markdown widget

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Héctor Ramón Jiménez 2025-11-29 13:22:28 +01:00
parent 798e777772
commit 6c271541b0
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GPG key ID: 7CC46565708259A7
1 changed files with 67 additions and 60 deletions
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127
widget/src/markdown.rs
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@ -210,7 +210,7 @@ pub enum Item {
/// The first number of the list, if it is ordered.
start: Option<u64>,
/// The items of the list.
items: Vec<ListItem>,
bullets: Vec<Bullet>,
},
/// An image.
Image {
@ -354,14 +354,32 @@ impl Span {
/// The item of a list.
#[derive(Debug, Clone)]
pub struct ListItem {
checked: Option<bool>,
items: Vec<Item>,
pub enum Bullet {
/// A simple bullet point.
Point {
/// The contents of the bullet point.
items: Vec<Item>,
},
/// A task.
Task {
/// The contents of the task.
items: Vec<Item>,
/// Whether the task is done or not.
done: bool,
},
}
impl ListItem {
impl Bullet {
fn items(&self) -> &[Item] {
match self {
Bullet::Point { items } | Bullet::Task { items, .. } => items,
}
}
fn push(&mut self, item: Item) {
self.items.push(item);
let (Bullet::Point { items } | Bullet::Task { items, .. }) = self;
items.push(item);
}
}
@ -518,7 +536,7 @@ fn parse_with<'a>(
struct List {
start: Option<u64>,
items: Vec<ListItem>,
bullets: Vec<Bullet>,
}
let broken_links = Rc::new(RefCell::new(HashSet::new()));
@ -582,7 +600,7 @@ fn parse_with<'a>(
if let Some(scope) = stack.last_mut() {
match scope {
Scope::List(list) => {
list.items.last_mut().expect("item context").push(item);
list.bullets.last_mut().expect("item context").push(item);
}
Scope::Quote(items) => {
items.push(item);
@ -646,17 +664,14 @@ fn parse_with<'a>(
stack.push(Scope::List(List {
start: first_item,
items: Vec::new(),
bullets: Vec::new(),
}));
prev
}
pulldown_cmark::Tag::Item => {
if let Some(Scope::List(list)) = stack.last_mut() {
list.items.push(ListItem {
checked: None,
items: Vec::new(),
});
list.bullets.push(Bullet::Point { items: Vec::new() });
}
None
@ -800,7 +815,7 @@ fn parse_with<'a>(
&mut stack,
Item::List {
start: list.start,
items: list.items,
bullets: list.bullets,
},
source,
)
@ -989,11 +1004,15 @@ fn parse_with<'a>(
pulldown_cmark::Event::Rule => {
produce(state.borrow_mut(), &mut stack, Item::Rule, source)
}
pulldown_cmark::Event::TaskListMarker(checked) => {
pulldown_cmark::Event::TaskListMarker(done) => {
if let Some(Scope::List(list)) = stack.last_mut()
&& let Some(item) = list.items.last_mut()
&& let Some(item) = list.bullets.last_mut()
&& let Bullet::Point { items } = item
{
item.checked = Some(checked);
*item = Bullet::Task {
items: std::mem::take(items),
done,
};
}
None
@ -1229,13 +1248,14 @@ where
code,
lines,
} => viewer.code_block(settings, language.as_deref(), code, lines),
Item::List { start: None, items } => {
viewer.unordered_list(settings, items)
}
Item::List {
start: None,
bullets,
} => viewer.unordered_list(settings, bullets),
Item::List {
start: Some(start),
items,
} => viewer.ordered_list(settings, *start, items),
bullets,
} => viewer.ordered_list(settings, *start, bullets),
Item::Quote(quote) => viewer.quote(settings, quote),
Item::Rule => viewer.rule(settings),
Item::Table { columns, rows } => viewer.table(settings, columns, rows),
@ -1308,28 +1328,29 @@ where
pub fn unordered_list<'a, Message, Theme, Renderer>(
viewer: &impl Viewer<'a, Message, Theme, Renderer>,
settings: Settings,
items: &'a [ListItem],
bullets: &'a [Bullet],
) -> Element<'a, Message, Theme, Renderer>
where
Message: 'a,
Theme: Catalog + 'a,
Renderer: core::text::Renderer<Font = Font> + 'a,
{
column(items.iter().map(|list_item| {
column(bullets.iter().map(|bullet| {
row![
list_item
.checked
.map(|is_checked| Element::from(
checkbox(is_checked).text_size(settings.text_size)
))
.unwrap_or_else(|| Element::from(
match bullet {
Bullet::Point { .. } => {
text("•")
.width(settings.text_size)
.center()
.size(settings.text_size)
)),
.into()
}
Bullet::Task { done, .. } => {
Element::from(checkbox(*done).size(settings.text_size))
}
},
view_with(
&list_item.items,
bullet.items(),
Settings {
spacing: settings.spacing * 0.6,
..settings
@ -1351,39 +1372,25 @@ pub fn ordered_list<'a, Message, Theme, Renderer>(
viewer: &impl Viewer<'a, Message, Theme, Renderer>,
settings: Settings,
start: u64,
items: &'a [ListItem],
bullets: &'a [Bullet],
) -> Element<'a, Message, Theme, Renderer>
where
Message: 'a,
Theme: Catalog + 'a,
Renderer: core::text::Renderer<Font = Font> + 'a,
{
let digits = ((start + items.len() as u64).max(1) as f32).log10().ceil();
let digits = ((start + bullets.len() as u64).max(1) as f32)
.log10()
.ceil();
column(items.iter().enumerate().map(|(i, list_item)| {
column(bullets.iter().enumerate().map(|(i, bullet)| {
row![
list_item
.checked
.map(|is_checked| {
Element::from(
container(
checkbox(is_checked).text_size(settings.text_size),
)
.align_right(
settings.text_size * ((digits / 2.0).ceil() + 1.0),
),
)
})
.unwrap_or_else(|| Element::from(
text!("{}.", i as u64 + start)
.size(settings.text_size)
.align_x(alignment::Horizontal::Right)
.width(
settings.text_size * ((digits / 2.0).ceil() + 1.0)
),
)),
text!("{}.", i as u64 + start)
.size(settings.text_size)
.align_x(alignment::Horizontal::Right)
.width(settings.text_size * ((digits / 2.0).ceil() + 1.0),),
view_with(
&list_item.items,
bullet.items(),
Settings {
spacing: settings.spacing * 0.6,
..settings
@ -1622,9 +1629,9 @@ where
fn unordered_list(
&self,
settings: Settings,
items: &'a [ListItem],
bullets: &'a [Bullet],
) -> Element<'a, Message, Theme, Renderer> {
unordered_list(self, settings, items)
unordered_list(self, settings, bullets)
}
/// Displays an ordered list.
@ -1634,9 +1641,9 @@ where
&self,
settings: Settings,
start: u64,
items: &'a [ListItem],
bullets: &'a [Bullet],
) -> Element<'a, Message, Theme, Renderer> {
ordered_list(self, settings, start, items)
ordered_list(self, settings, start, bullets)
}
/// Displays a quote.