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https://github.com/ChrisTitusTech/linutil.git
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Made float.rs generic. It can show anything inside it now
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116
src/float.rs
116
src/float.rs
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@ -1,59 +1,93 @@
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use ratatui::layout::{Constraint, Direction, Layout, Rect};
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use crossterm::event::{KeyCode, KeyEvent};
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use ratatui::{
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layout::{Constraint, Direction, Layout, Rect},
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style::{Color, Style, Stylize},
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widgets::Block,
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Frame,
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};
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/// This function just makes a given area smaller by 20 % in each direction, creating a kind of
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/// "floating window". And you don't actually need all the constraints, and layouts to do that, its
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/// very easy to calculate it directly, but I chose to use the ratatui API
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pub fn floating_window(size: Rect) -> Rect {
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// If the terminal window is small enough, just take up all the space for the command
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if size.width < 85 || size.height < 25 {
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return size;
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pub trait FloatContent {
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fn draw(&mut self, frame: &mut Frame, area: Rect);
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fn handle_key_event(&mut self, key: &KeyEvent) -> bool;
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fn is_finished(&self) -> bool;
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}
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pub struct Float<T: FloatContent> {
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content: Option<T>,
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width_percent: u16,
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height_percent: u16,
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}
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impl<T: FloatContent> Float<T> {
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pub fn new(width_percent: u16, height_percent: u16) -> Self {
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Self {
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content: None,
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width_percent,
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height_percent,
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}
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}
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fn floating_window(&self, size: Rect) -> Rect {
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let hor_float = Layout::default()
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.constraints([
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Constraint::Percentage(20),
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Constraint::Percentage(60),
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Constraint::Percentage(20),
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Constraint::Percentage((100 - self.width_percent) / 2),
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Constraint::Percentage(self.width_percent),
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Constraint::Percentage((100 - self.width_percent) / 2),
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])
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.direction(Direction::Horizontal)
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.split(size)[1];
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Layout::default()
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.constraints([
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Constraint::Percentage(20),
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Constraint::Percentage(60),
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Constraint::Percentage(20),
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Constraint::Percentage((100 - self.height_percent) / 2),
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Constraint::Percentage(self.height_percent),
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Constraint::Percentage((100 - self.height_percent) / 2),
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])
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.direction(Direction::Vertical)
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.split(hor_float)[1]
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}
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/// Here is how would a purely math based function look like:
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/// But it might break on smaller numbers
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fn _unused_manual_floating_window(size: Rect) -> Rect {
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// If the terminal window is small enough, just take up all the space for the command
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if size.width < 85 || size.height < 25 {
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return size;
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}
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let new_width = size.width * 60 / 100;
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let new_height = size.height * 60 / 100;
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let new_x = size.x + size.width * 20 / 100;
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let new_y = size.y + size.height * 20 / 100;
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Rect {
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width: new_width,
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height: new_height,
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x: new_x,
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y: new_y,
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pub fn draw(&mut self, frame: &mut Frame, parent_area: Rect) {
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let popup_area = self.floating_window(parent_area);
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if let Some(content) = &mut self.content {
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let content_area = Rect {
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x: popup_area.x,
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y: popup_area.y,
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width: popup_area.width,
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height: popup_area.height,
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};
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content.draw(frame, content_area);
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}
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}
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#[test]
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fn test_floating() {
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let rect = Rect {
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x: 10,
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y: 2,
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width: 100,
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height: 200,
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};
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let res1 = floating_window(rect);
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let res2 = floating_window(rect);
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assert_eq!(res1, res2);
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// Returns true if the key was processed by this Float.
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pub fn handle_key_event(&mut self, key: &KeyEvent) -> bool {
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if let Some(content) = &mut self.content {
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match key.code {
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KeyCode::Enter | KeyCode::Char('p') | KeyCode::Esc | KeyCode::Char('q') => {
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if content.is_finished() {
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self.content = None;
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} else {
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content.handle_key_event(key);
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}
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}
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_ => {
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content.handle_key_event(key);
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}
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}
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true
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} else {
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false
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}
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}
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pub fn get_content(&self) -> &Option<T> {
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&self.content
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}
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pub fn set_content(&mut self, content: Option<T>) {
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self.content = content;
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}
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}
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