sequoia_elements/
primitives.rs

1use std::rc::Rc;
2
3use sequoia_core::{Edges, Length};
4use sequoia_layout::LayoutStyle;
5use sequoia_style::{BoxStyle, Theme};
6use sequoia_view::{AnyView, PaintCtx, Unit, View};
7
8pub use crate::container::Container;
9pub use sequoia_view::{Canvas, Column, Icon, Image, Portal, Row, ScrollView, Text};
10
11pub const PRESS_BLEND_RATE: f32 = 12.0;
12
13#[derive(Clone)]
14pub struct Deco {
15    content: AnyView,
16    resolve: Rc<dyn Fn(&Theme) -> BoxStyle>,
17    style: LayoutStyle,
18    hit: bool,
19}
20
21impl Deco {
22    pub fn new<V: View + 'static>(
23        content: V,
24        resolve: impl Fn(&Theme) -> BoxStyle + 'static,
25    ) -> Self {
26        Self {
27            content: AnyView::new(content),
28            resolve: Rc::new(resolve),
29            style: LayoutStyle {
30                width: Length::Fit,
31                height: Length::Fit,
32                ..LayoutStyle::default()
33            },
34            hit: true,
35        }
36    }
37
38    pub fn fixed<V: View + 'static>(content: V, deco: BoxStyle) -> Self {
39        Self::new(content, move |_| deco)
40    }
41
42    pub fn size_px(mut self, w: f32, h: f32) -> Self {
43        self.style = self
44            .style
45            .width(Length::Px(w.max(0.0)))
46            .height(Length::Px(h.max(0.0)));
47        self
48    }
49
50    pub fn square_px(self, px: f32) -> Self {
51        self.size_px(px, px)
52    }
53
54    pub fn hit_testable(mut self, on: bool) -> Self {
55        self.hit = on;
56        self
57    }
58
59    pub fn margin(mut self, margin: impl Into<Edges>) -> Self {
60        self.style = self.style.margin(margin);
61        self
62    }
63
64    pub fn margin_xy(self, x: f32, y: f32) -> Self {
65        self.margin(Edges::xy(x, y))
66    }
67
68    pub fn margin_x(mut self, x: f32) -> Self {
69        self.style = self.style.margin_x(x);
70        self
71    }
72
73    pub fn margin_y(mut self, y: f32) -> Self {
74        self.style = self.style.margin_y(y);
75        self
76    }
77
78    pub fn margin_left(mut self, v: f32) -> Self {
79        self.style = self.style.margin_left(v);
80        self
81    }
82
83    pub fn margin_right(mut self, v: f32) -> Self {
84        self.style = self.style.margin_right(v);
85        self
86    }
87
88    pub fn margin_top(mut self, v: f32) -> Self {
89        self.style = self.style.margin_top(v);
90        self
91    }
92
93    pub fn margin_bottom(mut self, v: f32) -> Self {
94        self.style = self.style.margin_bottom(v);
95        self
96    }
97}
98
99impl View for Deco {
100    fn body(&self) -> impl View + 'static {
101        Unit
102    }
103
104    fn children_override(&self) -> Option<Vec<AnyView>> {
105        Some(vec![self.content.clone()])
106    }
107
108    fn layout_style(&self) -> LayoutStyle {
109        self.style
110    }
111
112    fn hit_testable(&self) -> bool {
113        self.hit
114    }
115
116    fn paint_self(&self, ctx: &mut PaintCtx) {
117        ctx.paint_box((self.resolve)(&ctx.theme()));
118    }
119}
sequoia_elements/primitives.rs

sequoia_elements/
primitives.rs
