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app/src/help/bindings.rs: optimize code readability

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Integral 2023-09-24 17:39:04 +08:00
parent e75a6723df
commit 183d395767
1 changed files with 18 additions and 8 deletions
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26
app/src/help/bindings.rs
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@ -1,4 +1,9 @@
use ratatui::{layout::{self, Constraint}, prelude::{Buffer, Direction, Rect}, style::{Color, Style, Stylize}, widgets::{List, ListItem, Widget}}; use ratatui::{
layout::{self, Constraint},
prelude::{Buffer, Direction, Rect},
style::{Color, Style, Stylize},
widgets::{List, ListItem, Widget},
};
use crate::context::Ctx; use crate::context::Ctx;
@ -7,7 +12,9 @@ pub(super) struct Bindings<'a> {
} }
impl<'a> Bindings<'a> { impl<'a> Bindings<'a> {
pub(super) fn new(cx: &'a Ctx) -> Self { Self { cx } } pub(super) fn new(cx: &'a Ctx) -> Self {
Self { cx }
}
} }
impl Widget for Bindings<'_> { impl Widget for Bindings<'_> {
@ -17,17 +24,20 @@ impl Widget for Bindings<'_> {
return; return;
} }
let col1 = bindings // The First Column
let keys = bindings
.iter() .iter()
.map(|c| ListItem::new(c.on()).style(Style::new().fg(Color::Yellow))) .map(|c| ListItem::new(c.on()).style(Style::new().fg(Color::Yellow)))
.collect::<Vec<_>>(); .collect::<Vec<_>>();
let col2 = bindings // The Second Column
let commands = bindings
.iter() .iter()
.map(|c| ListItem::new(c.exec()).style(Style::new().fg(Color::Cyan))) .map(|c| ListItem::new(c.exec()).style(Style::new().fg(Color::Cyan)))
.collect::<Vec<_>>(); .collect::<Vec<_>>();
let col3 = bindings // The Third Column
let desc = bindings
.iter() .iter()
.map(|c| ListItem::new(if let Some(ref desc) = c.desc { desc } else { "-" })) .map(|c| ListItem::new(if let Some(ref desc) = c.desc { desc } else { "-" }))
.collect::<Vec<_>>(); .collect::<Vec<_>>();
@ -43,8 +53,8 @@ impl Widget for Bindings<'_> {
Style::new().bg(Color::Black).bold(), Style::new().bg(Color::Black).bold(),
); );
List::new(col1).render(chunks[0], buf); for (i, col) in [keys, commands, desc].into_iter().enumerate() {
List::new(col2).render(chunks[1], buf); List::new(col).render(chunks[i], buf);
List::new(col3).render(chunks[2], buf); }
} }
} }