guise/
paper.rs

1//! `Paper` — a raised surface: themed background, radius, padding, optional
2//! border and shadow. The base container most other surfaces build on.
3
4use gpui::prelude::*;
5use gpui::{div, px, AnyElement, App, Div, IntoElement, Window};
6
7use crate::theme::{theme, Size};
8
9/// A surface container. The Mantine `Paper`.
10#[derive(IntoElement)]
11pub struct Paper {
12    children: Vec<AnyElement>,
13    padding: Size,
14    radius: Option<Size>,
15    with_border: bool,
16    shadow: Option<Size>,
17}
18
19impl Paper {
20    pub fn new() -> Self {
21        Paper {
22            children: Vec::new(),
23            padding: Size::Md,
24            radius: None,
25            with_border: false,
26            shadow: None,
27        }
28    }
29
30    pub fn padding(mut self, padding: Size) -> Self {
31        self.padding = padding;
32        self
33    }
34
35    pub fn radius(mut self, radius: Size) -> Self {
36        self.radius = Some(radius);
37        self
38    }
39
40    pub fn with_border(mut self, with_border: bool) -> Self {
41        self.with_border = with_border;
42        self
43    }
44
45    pub fn shadow(mut self, shadow: Size) -> Self {
46        self.shadow = Some(shadow);
47        self
48    }
49}
50
51impl Default for Paper {
52    fn default() -> Self {
53        Paper::new()
54    }
55}
56
57impl ParentElement for Paper {
58    fn extend(&mut self, elements: impl IntoIterator<Item = AnyElement>) {
59        self.children.extend(elements);
60    }
61}
62
63impl RenderOnce for Paper {
64    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
65        let t = theme(cx);
66        let radius = t.radius(self.radius.unwrap_or(t.default_radius));
67        let mut el = div()
68            .bg(t.surface().hsla())
69            .rounded(px(radius))
70            .p(px(t.spacing(self.padding)));
71        if self.with_border {
72            el = el.border_1().border_color(t.border().hsla());
73        }
74        el = apply_shadow(el, self.shadow);
75        el.children(self.children)
76    }
77}
78
79pub(crate) fn apply_shadow(el: Div, shadow: Option<Size>) -> Div {
80    match shadow {
81        Some(Size::Xs) => el.shadow_xs(),
82        Some(Size::Sm) => el.shadow_sm(),
83        Some(Size::Md) => el.shadow_md(),
84        Some(Size::Lg) => el.shadow_lg(),
85        Some(Size::Xl) => el.shadow_xl(),
86        None => el,
87    }
88}
guise/paper.rs

guise/
paper.rs
