iota/src/gui/util/borders.rs
2026-02-19 09:54:17 +01:00

63 lines
2 KiB
Rust

use ratatui::layout::Rect;
use ratatui::prelude::*;
use ratatui::style::Style;
use ratatui::widgets::Borders;
fn set_join_char(frame: &mut Frame, x: u16, y: u16, c: char) {
frame
.buffer_mut()
.set_string(x, y, c.to_string(), Style::default());
}
pub fn draw_block_joins(frame: &mut Frame, area: Rect, borders: Borders, joins: Borders) {
let x0 = area.x;
let y0 = area.y;
let x1 = area.x + area.width - 1;
let y1 = area.y + area.height - 1;
if borders.contains(Borders::TOP) && borders.contains(Borders::LEFT) {
let top_left = match (joins.contains(Borders::TOP), joins.contains(Borders::LEFT)) {
(true, true) => '┼',
(true, false) => '├',
(false, true) => '┬',
(false, false) => '┌',
};
set_join_char(frame, x0, y0, top_left);
}
if borders.contains(Borders::TOP) && borders.contains(Borders::RIGHT) {
let top_right = match (joins.contains(Borders::TOP), joins.contains(Borders::RIGHT)) {
(true, true) => '┼',
(true, false) => '┤',
(false, true) => '┬',
(false, false) => '┐',
};
set_join_char(frame, x1, y0, top_right);
}
if borders.contains(Borders::BOTTOM) && borders.contains(Borders::LEFT) {
let bottom_left = match (
joins.contains(Borders::BOTTOM),
joins.contains(Borders::LEFT),
) {
(true, true) => '┼',
(true, false) => '├',
(false, true) => '┴',
(false, false) => '└',
};
set_join_char(frame, x0, y1, bottom_left);
}
if borders.contains(Borders::BOTTOM) && borders.contains(Borders::RIGHT) {
let bottom_right = match (
joins.contains(Borders::BOTTOM),
joins.contains(Borders::RIGHT),
) {
(true, true) => '┼',
(true, false) => '┤',
(false, true) => '┴',
(false, false) => '┘',
};
set_join_char(frame, x1, y1, bottom_right);
}
}