ratatui/symbols/
line.rs

1pub const VERTICAL: &str = "│";
2pub const DOUBLE_VERTICAL: &str = "║";
3pub const THICK_VERTICAL: &str = "┃";
4
5pub const HORIZONTAL: &str = "─";
6pub const DOUBLE_HORIZONTAL: &str = "═";
7pub const THICK_HORIZONTAL: &str = "━";
8
9pub const TOP_RIGHT: &str = "┐";
10pub const ROUNDED_TOP_RIGHT: &str = "╮";
11pub const DOUBLE_TOP_RIGHT: &str = "╗";
12pub const THICK_TOP_RIGHT: &str = "┓";
13
14pub const TOP_LEFT: &str = "┌";
15pub const ROUNDED_TOP_LEFT: &str = "╭";
16pub const DOUBLE_TOP_LEFT: &str = "╔";
17pub const THICK_TOP_LEFT: &str = "┏";
18
19pub const BOTTOM_RIGHT: &str = "┘";
20pub const ROUNDED_BOTTOM_RIGHT: &str = "╯";
21pub const DOUBLE_BOTTOM_RIGHT: &str = "╝";
22pub const THICK_BOTTOM_RIGHT: &str = "┛";
23
24pub const BOTTOM_LEFT: &str = "└";
25pub const ROUNDED_BOTTOM_LEFT: &str = "╰";
26pub const DOUBLE_BOTTOM_LEFT: &str = "╚";
27pub const THICK_BOTTOM_LEFT: &str = "┗";
28
29pub const VERTICAL_LEFT: &str = "┤";
30pub const DOUBLE_VERTICAL_LEFT: &str = "╣";
31pub const THICK_VERTICAL_LEFT: &str = "┫";
32
33pub const VERTICAL_RIGHT: &str = "├";
34pub const DOUBLE_VERTICAL_RIGHT: &str = "╠";
35pub const THICK_VERTICAL_RIGHT: &str = "┣";
36
37pub const HORIZONTAL_DOWN: &str = "┬";
38pub const DOUBLE_HORIZONTAL_DOWN: &str = "╦";
39pub const THICK_HORIZONTAL_DOWN: &str = "┳";
40
41pub const HORIZONTAL_UP: &str = "┴";
42pub const DOUBLE_HORIZONTAL_UP: &str = "╩";
43pub const THICK_HORIZONTAL_UP: &str = "┻";
44
45pub const CROSS: &str = "┼";
46pub const DOUBLE_CROSS: &str = "╬";
47pub const THICK_CROSS: &str = "╋";
48
49#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
50pub struct Set {
51    pub vertical: &'static str,
52    pub horizontal: &'static str,
53    pub top_right: &'static str,
54    pub top_left: &'static str,
55    pub bottom_right: &'static str,
56    pub bottom_left: &'static str,
57    pub vertical_left: &'static str,
58    pub vertical_right: &'static str,
59    pub horizontal_down: &'static str,
60    pub horizontal_up: &'static str,
61    pub cross: &'static str,
62}
63
64impl Default for Set {
65    fn default() -> Self {
66        NORMAL
67    }
68}
69
70pub const NORMAL: Set = Set {
71    vertical: VERTICAL,
72    horizontal: HORIZONTAL,
73    top_right: TOP_RIGHT,
74    top_left: TOP_LEFT,
75    bottom_right: BOTTOM_RIGHT,
76    bottom_left: BOTTOM_LEFT,
77    vertical_left: VERTICAL_LEFT,
78    vertical_right: VERTICAL_RIGHT,
79    horizontal_down: HORIZONTAL_DOWN,
80    horizontal_up: HORIZONTAL_UP,
81    cross: CROSS,
82};
83
84pub const ROUNDED: Set = Set {
85    top_right: ROUNDED_TOP_RIGHT,
86    top_left: ROUNDED_TOP_LEFT,
87    bottom_right: ROUNDED_BOTTOM_RIGHT,
88    bottom_left: ROUNDED_BOTTOM_LEFT,
89    ..NORMAL
90};
91
92pub const DOUBLE: Set = Set {
93    vertical: DOUBLE_VERTICAL,
94    horizontal: DOUBLE_HORIZONTAL,
95    top_right: DOUBLE_TOP_RIGHT,
96    top_left: DOUBLE_TOP_LEFT,
97    bottom_right: DOUBLE_BOTTOM_RIGHT,
98    bottom_left: DOUBLE_BOTTOM_LEFT,
99    vertical_left: DOUBLE_VERTICAL_LEFT,
100    vertical_right: DOUBLE_VERTICAL_RIGHT,
101    horizontal_down: DOUBLE_HORIZONTAL_DOWN,
102    horizontal_up: DOUBLE_HORIZONTAL_UP,
103    cross: DOUBLE_CROSS,
104};
105
106pub const THICK: Set = Set {
107    vertical: THICK_VERTICAL,
108    horizontal: THICK_HORIZONTAL,
109    top_right: THICK_TOP_RIGHT,
110    top_left: THICK_TOP_LEFT,
111    bottom_right: THICK_BOTTOM_RIGHT,
112    bottom_left: THICK_BOTTOM_LEFT,
113    vertical_left: THICK_VERTICAL_LEFT,
114    vertical_right: THICK_VERTICAL_RIGHT,
115    horizontal_down: THICK_HORIZONTAL_DOWN,
116    horizontal_up: THICK_HORIZONTAL_UP,
117    cross: THICK_CROSS,
118};
119
120#[cfg(test)]
121mod tests {
122    use indoc::{formatdoc, indoc};
123
124    use super::*;
125
126    #[test]
127    fn default() {
128        assert_eq!(Set::default(), NORMAL);
129    }
130
131    /// A helper function to render a set of symbols.
132    fn render(set: Set) -> String {
133        formatdoc!(
134            "{}{}{}{}
135             {}{}{}{}
136             {}{}{}{}
137             {}{}{}{}",
138            set.top_left,
139            set.horizontal,
140            set.horizontal_down,
141            set.top_right,
142            set.vertical,
143            " ",
144            set.vertical,
145            set.vertical,
146            set.vertical_right,
147            set.horizontal,
148            set.cross,
149            set.vertical_left,
150            set.bottom_left,
151            set.horizontal,
152            set.horizontal_up,
153            set.bottom_right
154        )
155    }
156
157    #[test]
158    fn normal() {
159        assert_eq!(
160            render(NORMAL),
161            indoc!(
162                "┌─┬┐
163                 │ ││
164                 ├─┼┤
165                 └─┴┘"
166            )
167        );
168    }
169
170    #[test]
171    fn rounded() {
172        assert_eq!(
173            render(ROUNDED),
174            indoc!(
175                "╭─┬╮
176                 │ ││
177                 ├─┼┤
178                 ╰─┴╯"
179            )
180        );
181    }
182
183    #[test]
184    fn double() {
185        assert_eq!(
186            render(DOUBLE),
187            indoc!(
188                "╔═╦╗
189                 ║ ║║
190                 ╠═╬╣
191                 ╚═╩╝"
192            )
193        );
194    }
195
196    #[test]
197    fn thick() {
198        assert_eq!(
199            render(THICK),
200            indoc!(
201                "┏━┳┓
202                 ┃ ┃┃
203                 ┣━╋┫
204                 ┗━┻┛"
205            )
206        );
207    }
208}
ratatui/symbols/line.rs

ratatui/symbols/
line.rs
