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Add XML Parsing

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This commit is contained in:
Michael Mikovsky
2025-10-30 14:44:41 -06:00
parent 2cbf0fcab2
commit 48067c3eef
13 changed files with 274 additions and 46 deletions
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src/views/constraint_layout.rs
+43 -27
View File
@@ -96,46 +96,55 @@ impl ConstraintLayout {
crate::views::Bounds::Pixels(x) => x,
};
let y_align = |constraint: &Option<Constraint>| match constraint {
Some(Constraint::TopParent(margin)) => Some(self_top + margin),
Some(Constraint::BottomParent(margin)) => Some(self_bottom - margin),
Some(Constraint::Top(margin, id)) => {
let other = calculated_positions.get(&id).unwrap();
Some(other.y - margin)
}
let y_align = |constraint: &Option<Constraint>, margin_reverse: bool| {
let margin_mult = if margin_reverse { -1. } else { 1. };
match constraint {
Some(Constraint::TopParent(margin)) => Some(self_top + margin * margin_mult),
Some(Constraint::BottomParent(margin)) => {
Some(self_bottom + margin * margin_mult)
}
Some(Constraint::Top(margin, id)) => {
let other = calculated_positions.get(&id).unwrap();
Some(other.y + margin * margin_mult)
}
Some(Constraint::Bottom(margin, id)) => {
let other = calculated_positions.get(&id).unwrap();
Some(other.y + other.height + margin)
Some(Constraint::Bottom(margin, id)) => {
let other = calculated_positions.get(&id).unwrap();
Some(other.y + other.height + margin * margin_mult)
}
None => None,
_ => unreachable!(),
}
None => None,
_ => unreachable!(),
};
let y = match (y_align(c_top), y_align(c_bottom)) {
let y = match (y_align(c_top, false), y_align(c_bottom, true)) {
(Some(top), Some(bottom)) => (bottom + top - c_height) / 2.,
(Some(top), None) => top,
(None, Some(bottom)) => bottom - c_height,
(None, None) => unreachable!("Vertically unconstrained"),
};
let x_align = |constraint: &Option<Constraint>| match constraint {
Some(Constraint::LeftParent(margin)) => Some(self_left + margin),
Some(Constraint::RightParent(margin)) => Some(self_right - margin),
Some(Constraint::Left(margin, id)) => {
let other = calculated_positions.get(&id).unwrap();
Some(other.x - margin)
let x_align = |constraint: &Option<Constraint>, margin_reverse: bool| {
let margin_mult = if margin_reverse { -1. } else { 1. };
match constraint {
Some(Constraint::LeftParent(margin)) => Some(self_left + margin * margin_mult),
Some(Constraint::RightParent(margin)) => {
Some(self_right + margin * margin_mult)
}
Some(Constraint::Left(margin, id)) => {
let other = calculated_positions.get(&id).unwrap();
Some(other.x + margin * margin_mult)
}
Some(Constraint::Right(margin, id)) => {
let other = calculated_positions.get(&id).unwrap();
Some(other.x + other.width + margin * margin_mult)
}
None => None,
_ => unreachable!(),
}
Some(Constraint::Right(margin, id)) => {
let other = calculated_positions.get(&id).unwrap();
Some(other.x + other.width - margin)
}
None => None,
_ => unreachable!(),
};
let x = match (x_align(c_left), x_align(c_right)) {
let x = match (x_align(c_left, false), x_align(c_right, true)) {
(Some(left), Some(right)) => (right + left - c_width) / 2.,
(Some(left), None) => left,
(None, Some(right)) => right - c_width,
@@ -170,6 +179,13 @@ impl View for ConstraintLayout {
fn resize(&mut self, x: f32, y: f32, w: f32, h: f32) {
self.recalculate_positions(x, y, w, h);
}
fn from_tag(attributes: &std::collections::HashMap<String, String>) -> Self
where
Self: Sized,
{
todo!()
}
}
#[derive(Clone, Copy, PartialEq)]