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implement macro and update tui

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Evan Almloff committed 2023-01-01 08:52:59 -06:00
1 parent 9e971fbe11
commit bc2925240e
11 files changed
+233 -800
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packages/native-core/src/state.rs
+2 -238
View File
@@ -1,4 +1,3 @@
use crate::node_ref::{NodeMask, NodeView};
use crate::passes::{AnyMapLike, TypeErasedPass};
use std::any::TypeId;
use std::cmp::Ordering;
@@ -38,174 +37,6 @@ pub(crate) fn union_ordered_iter<'a>(
v
}
/// This state is derived from children. For example a node's size could be derived from the size of children.
/// Called when the current node's node properties are modified, a child's [ChildDepState] is modified or a child is removed.
/// Called at most once per update.
/// ```rust
/// # use dioxus_native_core::node_ref::NodeView;
/// # use dioxus_native_core::state::ChildDepState;
/// #[derive(Clone, Copy, PartialEq, Default)]
/// struct Layout {
/// width: u32,
/// height: u32,
/// }
///
/// impl ChildDepState for Layout {
/// type Ctx = ();
/// // The layout depends on the layout of the children.
/// type DepState = (Layout,);
/// fn reduce<'a>(
/// &mut self,
/// _node: NodeView,
/// children: impl Iterator<Item = (&'a Self,)>,
/// _ctx: &Self::Ctx,
/// ) -> bool
/// where
/// Self::DepState: 'a{
/// /// Children are layed out form left to right. The width of the parent is the sum of the widths and the max of the heights.
/// let new = children.map(|(&c,)|c).reduce(|c1, c2| Layout{
/// width: c1.width + c2.width,
/// height: c1.height.max(c2.height)
/// }).unwrap_or_default();
/// let changed = new != *self;
/// *self = new;
/// changed
/// }
/// }
/// ```
pub trait ChildDepState {
/// The context is passed to the [ChildDepState::reduce] when it is resolved.
type Ctx;
/// A state from each child node that this node depends on. Typically this is Self, but it could be any state that is within the state tree.
/// Depstate must be a tuple containing any number of borrowed elements that are either [ChildDepState] or [NodeDepState].
type DepState: ElementBorrowable;
/// The part of a node that this state cares about. This is used to determine if the state should be updated when a node is updated.
const NODE_MASK: NodeMask = NodeMask::NONE;
/// Resolve the state current node's state from the state of the children, the state of the node, and some external context.
fn reduce<'a>(
&mut self,
node: NodeView,
children: impl Iterator<Item = <Self::DepState as ElementBorrowable>::ElementBorrowed<'a>>,
ctx: &Self::Ctx,
) -> bool
where
Self::DepState: 'a;
}
/// This state that is passed down to children. For example text properties (`<b>` `<i>` `<u>`) would be passed to children.
/// Called when the current node's node properties are modified or a parrent's [ParentDepState] is modified.
/// Called at most once per update.
/// ```rust
/// use dioxus_native_core::node_ref::{NodeMask, AttributeMask, NodeView};
/// use dioxus_native_core::state::*;
///
/// #[derive(Clone, Copy, PartialEq)]
/// struct FontSize(usize);
///
/// impl ParentDepState for FontSize {
/// type Ctx = ();
/// // The font size depends on the font size of the parent element.
/// type DepState = (Self,);
/// const NODE_MASK: NodeMask =
/// NodeMask::new_with_attrs(AttributeMask::Static(&[
/// "font-size"
/// ]));
/// fn reduce<'a>(
/// &mut self,
/// node: NodeView,
/// parent: Option<(&'a Self,)>,
/// ctx: &Self::Ctx,
/// ) -> bool{
/// let old = *self;
/// // If the font size was set on the parent, it is passed down to the current element
/// if let Some((parent,)) = parent {
/// *self = *parent;
/// }
/// // If the current node overrides the font size, use that size insead.
/// for attr in node.attributes().unwrap() {
/// match attr.attribute.name.as_str() {
/// "font-size" => {
/// self.0 = attr.value.as_text().unwrap().parse().unwrap();
/// }
/// // font-size is the only attribute we specified in the mask, so it is the only one we can see
/// _ => unreachable!(),
/// }
/// }
/// old != *self
/// }
/// }
/// ```
pub trait ParentDepState {
/// The context is passed to the [ParentDepState::reduce] when it is resolved.
type Ctx;
/// A state from from the parent node that this node depends on. Typically this is Self, but it could be any state that is within the state tree.
/// Depstate must be a tuple containing any number of borrowed elements that are either [ParentDepState] or [NodeDepState].
type DepState: ElementBorrowable;
/// The part of a node that this state cares about. This is used to determine if the state should be updated when a node is updated.
const NODE_MASK: NodeMask = NodeMask::NONE;
/// Resolve the state current node's state from the state of the parent node, the state of the node, and some external context.
fn reduce<'a>(
&mut self,
node: NodeView,
parent: Option<<Self::DepState as ElementBorrowable>::ElementBorrowed<'a>>,
ctx: &Self::Ctx,
) -> bool;
}
/// This state that is upadated lazily. For example any propertys that do not effect other parts of the dom like bg-color.
/// Called when the current node's node properties are modified or a one of its dependanices are modified.
/// Called at most once per update.
/// NodeDepState is the only state that can accept multiple dependancies, but only from the current node.
/// ```rust
/// use dioxus_native_core::node_ref::{NodeMask, AttributeMask, NodeView};
/// use dioxus_native_core::state::*;
///
/// #[derive(Clone, Copy, PartialEq)]
/// struct TabIndex(usize);
///
/// impl NodeDepState for TabIndex {
/// type Ctx = ();
/// type DepState = ();
/// const NODE_MASK: NodeMask =
/// NodeMask::new_with_attrs(AttributeMask::Static(&[
/// "tabindex"
/// ]));
/// fn reduce(
/// &mut self,
/// node: NodeView,
/// siblings: (),
/// ctx: &(),
/// ) -> bool {
/// let old = self.clone();
/// for attr in node.attributes().unwrap() {
/// match attr.attribute.name.as_str() {
/// "tabindex" => {
/// self.0 = attr.value.as_text().unwrap().parse().unwrap();
/// }
/// // tabindex is the only attribute we specified in the mask, so it is the only one we can see
/// _ => unreachable!(),
/// }
/// }
/// old != *self
/// }
/// }
/// ```
pub trait NodeDepState {
/// Depstate must be a tuple containing any number of borrowed elements that are either [ChildDepState], [ParentDepState] or [NodeDepState].
type DepState: ElementBorrowable;
/// The state passed to [NodeDepState::reduce] when it is resolved.
type Ctx;
/// The part of a node that this state cares about. This is used to determine if the state should be updated when a node is updated.
const NODE_MASK: NodeMask = NodeMask::NONE;
/// Resolve the state current node's state from the state of the sibling states, the state of the node, and some external context.
fn reduce<'a>(
&mut self,
node: NodeView,
node_state: <Self::DepState as ElementBorrowable>::ElementBorrowed<'a>,
ctx: &Self::Ctx,
) -> bool;
}
/// Do not implement this trait. It is only meant to be derived and used through [crate::real_dom::RealDom].
pub trait State: Default + Clone + AnyMapLike + 'static {
#[doc(hidden)]
@@ -217,74 +48,7 @@ pub trait State: Default + Clone + AnyMapLike + 'static {
}
#[doc(hidden)]
fn non_clone_nodes() -> Option<Box<[TypeId]>> {
None
fn non_clone_members() -> Box<[TypeId]> {
Box::new([])
}
}
impl ChildDepState for () {
type Ctx = ();
type DepState = ();
fn reduce<'a>(&mut self, _: NodeView, _: impl Iterator<Item = ()>, _: &Self::Ctx) -> bool
where
Self::DepState: 'a,
{
false
}
}
impl ParentDepState for () {
type Ctx = ();
type DepState = ();
fn reduce<'a>(&mut self, _: NodeView, _: Option<()>, _: &Self::Ctx) -> bool {
false
}
}
impl NodeDepState for () {
type DepState = ();
type Ctx = ();
fn reduce(&mut self, _: NodeView, _sibling: (), _: &Self::Ctx) -> bool {
false
}
}
pub trait ElementBorrowable {
type ElementBorrowed<'a>
where
Self: 'a;
fn borrow_elements(&self) -> Self::ElementBorrowed<'_>;
}
macro_rules! impl_element_borrowable {
($($t:ident),*) => {
impl< $($t),* > ElementBorrowable for ($($t,)*) {
type ElementBorrowed<'a> = ($(&'a $t,)*) where Self: 'a;
#[allow(clippy::unused_unit, non_snake_case)]
fn borrow_elements<'a>(&'a self) -> Self::ElementBorrowed<'a> {
let ($($t,)*) = self;
($(&$t,)*)
}
}
};
}
impl_element_borrowable!();
impl_element_borrowable!(A);
impl_element_borrowable!(A, B);
impl_element_borrowable!(A, B, C);
impl_element_borrowable!(A, B, C, D);
impl_element_borrowable!(A, B, C, D, E);
impl_element_borrowable!(A, B, C, D, E, F);
impl_element_borrowable!(A, B, C, D, E, F, G);
impl_element_borrowable!(A, B, C, D, E, F, G, H);
impl_element_borrowable!(A, B, C, D, E, F, G, H, I);
impl_element_borrowable!(A, B, C, D, E, F, G, H, I, J);
impl_element_borrowable!(A, B, C, D, E, F, G, H, I, J, K);
impl_element_borrowable!(A, B, C, D, E, F, G, H, I, J, K, L);
impl_element_borrowable!(A, B, C, D, E, F, G, H, I, J, K, L, M);
impl_element_borrowable!(A, B, C, D, E, F, G, H, I, J, K, L, M, N);
impl_element_borrowable!(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O);
impl_element_borrowable!(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P);