Files
managarr/src/ui/widgets/input_box.rs

158 lines
3.7 KiB
Rust

use ratatui::buffer::Buffer;
use ratatui::layout::{Constraint, Layout, Position, Rect};
use ratatui::prelude::Text;
use ratatui::style::{Style, Styled, Stylize};
use ratatui::widgets::{Block, Paragraph, Widget};
use ratatui::Frame;
use crate::ui::styles::ManagarrStyle;
use crate::ui::utils::{borderless_block, layout_block};
#[cfg(test)]
#[path = "input_box_tests.rs"]
mod input_box_tests;
pub struct InputBox<'a> {
content: &'a str,
offset: usize,
style: Style,
block: Block<'a>,
label: Option<&'a str>,
cursor_after_string: bool,
is_highlighted: Option<bool>,
is_selected: Option<bool>,
}
impl<'a> InputBox<'a> {
pub fn new(content: &'a str) -> InputBox<'a> {
InputBox {
content,
offset: 0,
style: Style::new().default(),
block: layout_block(),
label: None,
cursor_after_string: true,
is_highlighted: None,
is_selected: None,
}
}
pub fn style<S: Into<Style>>(mut self, style: S) -> InputBox<'a> {
self.style = style.into();
self
}
pub fn block(mut self, block: Block<'a>) -> InputBox<'a> {
self.block = block;
self
}
pub fn label(mut self, label: &'a str) -> InputBox<'a> {
self.label = Some(label);
self
}
pub fn offset(mut self, offset: usize) -> InputBox<'a> {
self.offset = offset;
self
}
pub fn cursor_after_string(mut self, cursor_after_string: bool) -> InputBox<'a> {
self.cursor_after_string = cursor_after_string;
self
}
pub fn highlighted(mut self, is_highlighted: bool) -> InputBox<'a> {
self.is_highlighted = Some(is_highlighted);
self
}
pub fn selected(mut self, is_selected: bool) -> InputBox<'a> {
self.is_selected = Some(is_selected);
self
}
pub fn is_selected(&self) -> bool {
self.is_selected.unwrap_or_default()
}
pub fn show_cursor(&self, f: &mut Frame<'_>, area: Rect) {
let area = if self.label.is_some() {
Layout::horizontal([Constraint::Percentage(48), Constraint::Percentage(48)]).split(area)[1]
} else {
area
};
if self.cursor_after_string {
f.set_cursor_position(Position {
x: area.x + (self.content.len() - self.offset) as u16 + 1,
y: area.y + 1,
});
} else {
f.set_cursor_position(Position {
x: area.x + 1u16,
y: area.y + 1,
});
}
}
fn render_input_box(self, area: Rect, buf: &mut Buffer) {
let style =
if matches!(self.is_highlighted, Some(true)) && matches!(self.is_selected, Some(false)) {
Style::new().system_function().bold()
} else {
self.style
};
let input_box_paragraph = Paragraph::new(Text::from(self.content))
.style(style)
.block(self.block);
if let Some(label) = self.label {
let [label_area, text_box_area] =
Layout::horizontal([Constraint::Percentage(48), Constraint::Percentage(48)]).areas(area);
Paragraph::new(Text::from(format!("\n{label}: ")))
.block(borderless_block())
.right_aligned()
.primary()
.render(label_area, buf);
input_box_paragraph.render(text_box_area, buf);
} else {
input_box_paragraph.render(area, buf);
}
}
}
impl<'a> Widget for InputBox<'a> {
fn render(self, area: Rect, buf: &mut Buffer)
where
Self: Sized,
{
self.render_input_box(area, buf);
}
}
impl<'a> Styled for InputBox<'a> {
type Item = InputBox<'a>;
fn style(&self) -> Style {
self.style
}
fn set_style<S: Into<Style>>(self, style: S) -> Self::Item {
self.style(style)
}
}
#[macro_export]
macro_rules! render_selectable_input_box {
($input_box:ident, $frame:ident, $area:ident) => {
if $input_box.is_selected() {
$input_box.show_cursor($frame, $area);
}
$frame.render_widget($input_box, $area);
};
}