nuit_core/node/
node.rs

1use nuit_derive::Diff;
2use serde::{Serialize, Deserialize};
3
4use crate::{Alignment, Id, IdPath, IdPathBuf, Identified};
5
6use super::{GestureNode, ModifierNode, ShapeNode};
7
8/// A rendered UI component tree.
9#[derive(Debug, Clone, PartialEq, Diff, Serialize, Deserialize)]
10#[serde(rename_all = "camelCase", rename_all_fields = "camelCase")]
11pub enum Node {
12    Empty {}, // Intentionally not a unit variant for uniform serialization
13
14    // Widget
15    Text { content: String },
16    TextField { content: String },
17    Button { label: Box<Identified<Node>> },
18    Picker { title: String, selection: Id, content: Box<Identified<Node>> },
19
20    // Aggregation
21    Child { wrapped: Box<Identified<Node>> },
22    Group { children: Vec<Identified<Node>> },
23
24    // Layout
25    VStack { spacing: f64, wrapped: Box<Identified<Node>> },
26    HStack { spacing: f64, wrapped: Box<Identified<Node>> },
27    ZStack { spacing: f64, wrapped: Box<Identified<Node>> },
28    List { wrapped: Box<Identified<Node>> },
29    Overlay { wrapped: Box<Identified<Node>>, alignment: Alignment, overlayed: Box<Identified<Node>> },
30
31    // Wrapper
32    Shape { shape: ShapeNode },
33    Gestured { wrapped: Box<Identified<Node>>, gesture: Identified<GestureNode>, },
34    Modified { wrapped: Box<Identified<Node>>, modifier: ModifierNode, }
35}
36
37impl Node {
38    pub fn children(&self) -> Vec<(IdPathBuf, &Node)> {
39        self.children_from(IdPath::root())
40    }
41
42    pub fn children_from(&self, path: &IdPath) -> Vec<(IdPathBuf, &Node)> {
43        match self {
44            Self::Group { children } => children.iter()
45                .flat_map(|c| c.value().children_from(&path.child(c.id().clone())).into_iter())
46                .collect(),
47            _ => vec![(path.to_owned(), self)]
48        }
49    }
50}
51
52impl Default for Node {
53    fn default() -> Self {
54        Node::Empty {}
55    }
56}
nuit_core/node/node.rs

nuit_core/node/
node.rs
