feat(hadron): initial commit

This commit is contained in:
2025-12-20 13:04:15 -05:00
commit 38d38dc111
3 changed files with 951 additions and 0 deletions

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.gitignore vendored Normal file
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/target
Cargo.lock

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Cargo.toml Normal file
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[package]
name = "hadron"
version = "0.1.0"
edition = "2024"
[dependencies]
crossterm = "0.28"
ratatui = "0.29"
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
anyhow = "1.0"

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src/main.rs Normal file
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use anyhow::{Context, Result};
use crossterm::{
event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode, KeyEventKind},
execute,
terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
};
use ratatui::{prelude::*, widgets::*};
use serde::{Deserialize, Serialize};
use std::{
collections::HashMap,
env,
fs,
io::{self, Stdout},
path::Path,
process::Command,
};
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
struct MesonOptionRaw {
name: String,
#[serde(rename = "type")]
kind: String,
value: serde_json::Value,
section: String,
description: Option<String>,
choices: Option<Vec<String>>,
}
#[derive(Debug, Clone)]
struct MesonOption {
raw: MesonOptionRaw,
new_value: serde_json::Value,
dirty: bool,
}
impl MesonOption {
fn from_raw(raw: MesonOptionRaw) -> Self {
let val = raw.value.clone();
Self {
raw,
new_value: val,
dirty: false,
}
}
fn format_value(&self) -> String {
match &self.new_value {
serde_json::Value::Bool(b) => if *b { "enabled".to_string() } else { "disabled".to_string() },
serde_json::Value::String(s) => s.clone(),
serde_json::Value::Number(n) => n.to_string(),
serde_json::Value::Array(arr) => {
let s: Vec<String> = arr.iter().map(|v| v.as_str().unwrap_or("").to_string()).collect();
format!("[{}]", s.join(", "))
}
_ => "complex".to_string(),
}
}
fn format_choices(&self) -> String {
match self.raw.kind.as_str() {
"boolean" => "[enabled, disabled]".to_string(),
"combo" => {
if let Some(choices) = &self.raw.choices {
format!("[{}]", choices.join(", "))
} else {
String::new()
}
},
_ => {
if let Some(choices) = &self.raw.choices {
format!("[{}]", choices.join(", "))
} else {
String::new()
}
}
}
}
fn toggle_or_cycle(&mut self) -> bool {
match self.raw.kind.as_str() {
"boolean" => {
if let serde_json::Value::Bool(b) = self.new_value {
self.new_value = serde_json::Value::Bool(!b);
self.dirty = self.new_value != self.raw.value;
return true;
}
}
"combo" => {
if let Some(choices) = &self.raw.choices {
if let serde_json::Value::String(current) = &self.new_value {
if let Some(idx) = choices.iter().position(|c| c == current) {
let next_idx = (idx + 1) % choices.len();
self.new_value = serde_json::Value::String(choices[next_idx].clone());
self.dirty = self.new_value != self.raw.value;
return true;
}
}
if !choices.is_empty() {
self.new_value = serde_json::Value::String(choices[0].clone());
self.dirty = true;
return true;
}
}
}
_ => {}
}
false
}
fn set_from_string(&mut self, input: &str) {
let input = input.trim(); // TRIM WHITESPACE to prevent simple errors
match self.raw.kind.as_str() {
"boolean" => {
// Correctly parse boolean strings back to Bool type
match input.to_lowercase().as_str() {
"true" | "enabled" | "yes" | "1" => self.new_value = serde_json::Value::Bool(true),
"false" | "disabled" | "no" | "0" => self.new_value = serde_json::Value::Bool(false),
_ => { /* invalid bool input, keep old value to prevent corruption */ }
}
},
"integer" => {
if let Ok(val) = input.parse::<i64>() {
self.new_value = serde_json::Value::Number(val.into());
}
},
"array" => {
let items: Vec<serde_json::Value> = input
.split(',')
.map(|s| serde_json::Value::String(s.trim().to_string()))
.collect();
self.new_value = serde_json::Value::Array(items);
},
_ => {
self.new_value = serde_json::Value::String(input.to_string());
}
}
self.dirty = self.new_value != self.raw.value;
}
}
#[derive(Deserialize)]
struct MesonInfo {
meson_version: MesonVersionInfo,
}
#[derive(Deserialize)]
struct MesonVersionInfo {
full: String,
}
#[derive(Debug, Clone)]
struct Section {
name: String,
collapsed: bool,
options: Vec<MesonOption>,
}
#[derive(Debug, Clone, Copy)]
enum FlattenedItem {
Header(usize),
Option(usize, usize),
}
#[derive(PartialEq)]
enum InputMode {
Normal,
Editing,
Searching,
Command,
OutputViewer,
}
struct App {
sections: Vec<Section>,
flattened_items: Vec<FlattenedItem>,
state: ListState,
input_mode: InputMode,
input_buffer: String,
status_msg: String,
build_dir: String,
pending_g: bool,
pending_z: bool,
last_output: String,
output_scroll: u16,
system_meson_version: String,
build_meson_version: Option<String>,
}
impl App {
fn new(build_dir: String) -> Self {
let system_ver = match Command::new("meson").arg("--version").output() {
Ok(o) => String::from_utf8_lossy(&o.stdout).trim().to_string(),
Err(_) => "unknown".to_string(),
};
let build_ver = Self::get_build_version(&build_dir);
Self {
sections: Vec::new(),
flattened_items: Vec::new(),
state: ListState::default(),
input_mode: InputMode::Normal,
input_buffer: String::new(),
status_msg: "Loading...".to_string(),
build_dir,
pending_g: false,
pending_z: false,
last_output: String::new(),
output_scroll: 0,
system_meson_version: system_ver,
build_meson_version: build_ver,
}
}
fn get_build_version(build_dir: &str) -> Option<String> {
let path = Path::new(build_dir).join("meson-info").join("meson-info.json");
if let Ok(file) = fs::File::open(path) {
let reader = io::BufReader::new(file);
if let Ok(info) = serde_json::from_reader::<_, MesonInfo>(reader) {
return Some(info.meson_version.full);
}
}
None
}
fn is_dirty(&self) -> bool {
self.sections.iter().any(|s| s.options.iter().any(|o| o.dirty))
}
fn update_flattened(&mut self) {
let current_selection_idx = self.state.selected().unwrap_or(0);
self.flattened_items.clear();
for (sec_idx, section) in self.sections.iter().enumerate() {
self.flattened_items.push(FlattenedItem::Header(sec_idx));
if !section.collapsed {
for opt_idx in 0..section.options.len() {
self.flattened_items.push(FlattenedItem::Option(sec_idx, opt_idx));
}
}
}
if !self.flattened_items.is_empty() {
if current_selection_idx >= self.flattened_items.len() {
self.state.select(Some(self.flattened_items.len() - 1));
}
} else {
self.state.select(None);
}
}
fn next(&mut self) {
if self.flattened_items.is_empty() { return; }
let i = match self.state.selected() {
Some(i) => {
if i >= self.flattened_items.len() - 1 {
0
} else {
i + 1
}
}
None => 0,
};
self.state.select(Some(i));
}
fn previous(&mut self) {
if self.flattened_items.is_empty() { return; }
let i = match self.state.selected() {
Some(i) => {
if i == 0 {
self.flattened_items.len() - 1
} else {
i - 1
}
}
None => 0,
};
self.state.select(Some(i));
}
fn jump_top(&mut self) {
if !self.flattened_items.is_empty() {
self.state.select(Some(0));
}
}
fn jump_bottom(&mut self) {
if !self.flattened_items.is_empty() {
self.state.select(Some(self.flattened_items.len() - 1));
}
}
fn toggle_fold(&mut self) {
if let Some(idx) = self.state.selected() {
match self.flattened_items[idx] {
FlattenedItem::Header(sec_idx) => {
self.sections[sec_idx].collapsed = !self.sections[sec_idx].collapsed;
self.update_flattened();
}
FlattenedItem::Option(_sec_idx, _) => {
}
}
}
}
fn open_fold(&mut self) {
if let Some(idx) = self.state.selected() {
match self.flattened_items[idx] {
FlattenedItem::Header(sec_idx) => {
self.sections[sec_idx].collapsed = false;
self.update_flattened();
}
FlattenedItem::Option(_sec_idx, _) => {
}
}
}
}
fn close_fold(&mut self) {
if let Some(idx) = self.state.selected() {
match self.flattened_items[idx] {
FlattenedItem::Header(sec_idx) => {
self.sections[sec_idx].collapsed = true;
self.update_flattened();
}
FlattenedItem::Option(sec_idx, _) => {
self.sections[sec_idx].collapsed = true;
self.update_flattened();
self.state.select(Some(self.find_header_index(sec_idx)));
}
}
}
}
fn open_all(&mut self) {
for sec in &mut self.sections {
sec.collapsed = false;
}
self.update_flattened();
}
fn close_all(&mut self) {
for sec in &mut self.sections {
sec.collapsed = true;
}
self.update_flattened();
self.jump_top();
}
fn find_header_index(&self, sec_idx: usize) -> usize {
self.flattened_items.iter().position(|item| matches!(item, FlattenedItem::Header(s) if *s == sec_idx)).unwrap_or(0)
}
fn perform_search(&mut self) {
let query = self.input_buffer.to_lowercase();
if query.is_empty() { return; }
let mut search_hits: Vec<(usize, usize, String)> = Vec::new();
for (s_idx, section) in self.sections.iter().enumerate() {
for (o_idx, opt) in section.options.iter().enumerate() {
search_hits.push((s_idx, o_idx, opt.raw.name.to_lowercase()));
}
}
let current_flat_idx = self.state.selected().unwrap_or(0);
let current_linear_pos = if let Some(item) = self.flattened_items.get(current_flat_idx) {
match item {
FlattenedItem::Option(curr_s, curr_o) => {
search_hits.iter().position(|(s, o, _)| s == curr_s && o == curr_o).unwrap_or(0)
},
FlattenedItem::Header(curr_s) => {
search_hits.iter().position(|(s, _, _)| s >= curr_s).unwrap_or(0)
}
}
} else {
0
};
let match_res = search_hits.iter()
.skip(current_linear_pos + 1)
.find(|(_, _, name)| name.contains(&query))
.or_else(|| {
search_hits.iter()
.take(current_linear_pos + 1)
.find(|(_, _, name)| name.contains(&query))
});
if let Some((s_idx, o_idx, _)) = match_res {
let s_idx = *s_idx;
let o_idx = *o_idx;
let opt_name = self.sections[s_idx].options[o_idx].raw.name.clone();
if self.sections[s_idx].collapsed {
self.sections[s_idx].collapsed = false;
self.update_flattened();
}
if let Some(idx) = self.flattened_items.iter().position(|item| {
matches!(item, FlattenedItem::Option(s, o) if *s == s_idx && *o == o_idx)
}) {
self.state.select(Some(idx));
self.status_msg = format!("Found: '{}'", opt_name);
}
} else {
self.status_msg = format!("Not found: '{}'", query);
}
}
fn load_options(&mut self) -> Result<()> {
let output = Command::new("meson")
.arg("introspect")
.arg("--buildoptions")
.arg(&self.build_dir)
.output()
.context("Failed to execute meson introspect")?;
if !output.status.success() {
self.status_msg = String::from_utf8_lossy(&output.stderr).to_string();
return Ok(());
}
let raw_opts: Vec<MesonOptionRaw> = serde_json::from_slice(&output.stdout)?;
let mut groups: HashMap<String, Vec<MesonOption>> = HashMap::new();
for raw in raw_opts {
let section = raw.section.clone();
groups.entry(section).or_default().push(MesonOption::from_raw(raw));
}
self.sections = groups.into_iter().map(|(name, mut opts)| {
opts.sort_by(|a, b| a.raw.name.cmp(&b.raw.name));
Section {
name,
collapsed: false,
options: opts
}
}).collect();
self.sections.sort_by(|a, b| {
let a_is_user = a.name == "user";
let b_is_user = b.name == "user";
match (a_is_user, b_is_user) {
(true, true) => a.name.cmp(&b.name),
(true, false) => std::cmp::Ordering::Less,
(false, true) => std::cmp::Ordering::Greater,
(false, false) => a.name.cmp(&b.name),
}
});
self.update_flattened();
if !self.flattened_items.is_empty() {
self.state.select(Some(0));
}
let total_opts: usize = self.sections.iter().map(|s| s.options.len()).sum();
self.status_msg = format!("Loaded {} options in {} sections.", total_opts, self.sections.len());
Ok(())
}
fn apply_changes(&mut self, show_overlay: bool) -> Result<bool> {
let mut dirty_opts = Vec::new();
for section in &self.sections {
for opt in &section.options {
if opt.dirty {
dirty_opts.push(opt);
}
}
}
if dirty_opts.is_empty() {
self.status_msg = "No changes to apply.".to_string();
return Ok(true);
}
let mut cmd = Command::new("meson");
cmd.arg("configure").arg(&self.build_dir);
for opt in dirty_opts {
let val_str = match &opt.new_value {
serde_json::Value::Bool(b) => if *b { "true".to_string() } else { "false".to_string() },
serde_json::Value::Array(arr) => {
let s: Vec<String> = arr.iter().map(|v| v.as_str().unwrap_or("").to_string()).collect();
s.join(",")
},
serde_json::Value::String(s) => s.clone(),
serde_json::Value::Number(n) => n.to_string(),
_ => "".to_string(),
};
cmd.arg(format!("-D{}={}", opt.raw.name, val_str));
}
let output = cmd.output().context("Failed to run meson configure")?;
let stdout = String::from_utf8_lossy(&output.stdout);
let stderr = String::from_utf8_lossy(&output.stderr);
self.last_output = format!("Command: {:?}\n\n[STDOUT]\n{}\n\n[STDERR]\n{}", cmd, stdout, stderr);
self.output_scroll = 0;
if show_overlay {
self.input_mode = InputMode::OutputViewer;
}
if output.status.success() {
for section in self.sections.iter_mut() {
for opt in section.options.iter_mut() {
if opt.dirty {
opt.raw.value = opt.new_value.clone();
opt.dirty = false;
}
}
}
self.status_msg = "Configuration applied successfully.".to_string();
Ok(true)
} else {
self.status_msg = format!("Error applying config. check overlay.");
Ok(false)
}
}
fn get_selected_option_mut(&mut self) -> Option<&mut MesonOption> {
if let Some(idx) = self.state.selected() {
if let FlattenedItem::Option(sec_idx, opt_idx) = self.flattened_items[idx] {
return Some(&mut self.sections[sec_idx].options[opt_idx]);
}
}
None
}
}
fn main() -> Result<()> {
let args: Vec<String> = env::args().collect();
let build_dir = if args.len() > 1 { args[1].clone() } else { ".".to_string() };
enable_raw_mode()?;
let mut stdout = io::stdout();
execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
let backend = CrosstermBackend::new(stdout);
let mut terminal = Terminal::new(backend)?;
let mut app = App::new(build_dir);
if let Err(e) = app.load_options() {
app.status_msg = format!("Error loading: {}", e);
}
let res = run_app(&mut terminal, &mut app);
disable_raw_mode()?;
execute!(
terminal.backend_mut(),
LeaveAlternateScreen,
DisableMouseCapture
)?;
terminal.show_cursor()?;
if let Err(err) = res {
println!("{:?}", err);
}
Ok(())
}
fn run_app(terminal: &mut Terminal<CrosstermBackend<Stdout>>, app: &mut App) -> io::Result<()> {
loop {
terminal.draw(|f| ui(f, app))?;
if let Event::Key(key) = event::read()? {
if key.kind != KeyEventKind::Press { continue; }
match app.input_mode {
InputMode::OutputViewer => {
match key.code {
KeyCode::Esc | KeyCode::Enter | KeyCode::Char('q') => {
app.input_mode = InputMode::Normal;
},
KeyCode::Char('j') | KeyCode::Down => {
app.output_scroll = app.output_scroll.saturating_add(1);
},
KeyCode::Char('k') | KeyCode::Up => {
app.output_scroll = app.output_scroll.saturating_sub(1);
},
_ => {}
}
},
InputMode::Normal => match key.code {
KeyCode::Char(':') => {
app.input_mode = InputMode::Command;
app.input_buffer.clear();
},
KeyCode::Char('q') => {
if app.is_dirty() {
app.status_msg = "No write since last change (use :q! to override)".to_string();
} else {
return Ok(());
}
},
KeyCode::Char('s') => {
let _ = app.apply_changes(true);
}
KeyCode::Char('j') | KeyCode::Down => {
app.pending_g = false;
app.pending_z = false;
app.next();
},
KeyCode::Char('k') | KeyCode::Up => {
app.pending_g = false;
app.pending_z = false;
app.previous();
},
KeyCode::Char('g') => {
app.pending_z = false;
if app.pending_g {
app.jump_top();
app.pending_g = false;
} else {
app.pending_g = true;
}
},
KeyCode::Char('G') => {
app.pending_g = false;
app.pending_z = false;
app.jump_bottom();
},
KeyCode::Char('z') => {
app.pending_g = false;
if app.pending_z {
app.pending_z = false;
} else {
app.pending_z = true;
}
},
KeyCode::Char('a') if app.pending_z => {
app.toggle_fold();
app.pending_z = false;
},
KeyCode::Char('o') if app.pending_z => {
app.open_fold();
app.pending_z = false;
},
KeyCode::Char('c') if app.pending_z => {
app.close_fold();
app.pending_z = false;
},
KeyCode::Char('R') if app.pending_z => {
app.open_all();
app.pending_z = false;
},
KeyCode::Char('M') if app.pending_z => {
app.close_all();
app.pending_z = false;
},
KeyCode::Char('/') => {
app.pending_g = false;
app.pending_z = false;
app.input_mode = InputMode::Searching;
app.input_buffer.clear();
},
KeyCode::Enter | KeyCode::Char(' ') => {
app.pending_g = false;
app.pending_z = false;
if let Some(idx) = app.state.selected() {
match app.flattened_items[idx] {
FlattenedItem::Header(sec_idx) => {
app.sections[sec_idx].collapsed = !app.sections[sec_idx].collapsed;
app.update_flattened();
}
FlattenedItem::Option(sec_idx, opt_idx) => {
let opt = &mut app.sections[sec_idx].options[opt_idx];
if !opt.toggle_or_cycle() {
app.input_mode = InputMode::Editing;
app.input_buffer = match &opt.new_value {
serde_json::Value::Number(n) => n.to_string(),
serde_json::Value::String(s) => s.clone(),
_ => "".to_string(),
};
}
}
}
}
}
_ => {
app.pending_g = false;
app.pending_z = false;
}
},
InputMode::Command => match key.code {
KeyCode::Enter => {
let cmd = app.input_buffer.trim().to_string();
match cmd.as_str() {
"q" => {
if app.is_dirty() {
app.status_msg = "No write since last change (use :q! to override)".to_string();
app.input_mode = InputMode::Normal;
} else {
return Ok(());
}
},
"q!" => return Ok(()),
"w" => {
let _ = app.apply_changes(true); // :w shows overlay
if app.input_mode != InputMode::OutputViewer {
app.input_mode = InputMode::Normal;
}
},
"wq" => {
match app.apply_changes(false) {
Ok(true) => return Ok(()),
_ => {
app.input_mode = InputMode::Normal;
}
}
},
_ => {
app.status_msg = format!("Not an editor command: {}", cmd);
app.input_mode = InputMode::Normal;
}
}
},
KeyCode::Esc => {
app.input_mode = InputMode::Normal;
app.status_msg.clear();
},
KeyCode::Backspace => {
app.input_buffer.pop();
},
KeyCode::Char(c) => {
app.input_buffer.push(c);
},
_ => {}
},
InputMode::Editing => match key.code {
KeyCode::Enter => {
let input = app.input_buffer.clone();
if let Some(opt) = app.get_selected_option_mut() {
opt.set_from_string(&input);
}
app.input_mode = InputMode::Normal;
}
KeyCode::Esc => {
app.input_mode = InputMode::Normal;
}
KeyCode::Backspace => {
app.input_buffer.pop();
}
KeyCode::Char(c) => {
app.input_buffer.push(c);
}
_ => {}
},
InputMode::Searching => match key.code {
KeyCode::Enter => {
app.perform_search();
app.input_mode = InputMode::Normal;
}
KeyCode::Esc => {
app.input_mode = InputMode::Normal;
app.status_msg = "Search cancelled.".to_string();
}
KeyCode::Backspace => {
app.input_buffer.pop();
}
KeyCode::Char(c) => {
app.input_buffer.push(c);
}
_ => {}
},
}
}
}
}
fn ui(f: &mut Frame, app: &mut App) {
let chunks = Layout::default()
.direction(Direction::Vertical)
.constraints([
Constraint::Length(3),
Constraint::Min(0),
Constraint::Length(3),
])
.split(f.area());
let mut header_text = format!("Meson TUI Configurator (Meson v{})", app.system_meson_version);
let mut header_style = Style::default().fg(Color::Green).add_modifier(Modifier::BOLD);
if let Some(build_ver) = &app.build_meson_version {
if build_ver != &app.system_meson_version {
header_text.push_str(&format!(" - WARNING: Configured with v{}", build_ver));
header_style = Style::default().fg(Color::Red).add_modifier(Modifier::BOLD);
}
}
let title = Paragraph::new(header_text)
.style(header_style)
.alignment(Alignment::Center)
.block(Block::default().borders(Borders::ALL));
f.render_widget(title, chunks[0]);
let max_name_width = app.sections.iter()
.flat_map(|s| s.options.iter())
.map(|o| o.raw.name.len())
.max()
.unwrap_or(20)
.max(20);
let val_column_width = 25;
let items: Vec<ListItem> = app
.flattened_items
.iter()
.map(|item| {
match item {
FlattenedItem::Header(sec_idx) => {
let sec = &app.sections[*sec_idx];
let icon = if sec.collapsed { "" } else { "" };
let count = sec.options.len();
let content = format!("{} {} ({})", icon, sec.name.to_uppercase(), count);
ListItem::new(content).style(Style::default().fg(Color::Magenta).add_modifier(Modifier::BOLD))
},
FlattenedItem::Option(sec_idx, opt_idx) => {
let opt = &app.sections[*sec_idx].options[*opt_idx];
let val_str = opt.format_value();
let dirty_str = if opt.dirty { "*" } else { " " };
let choices_str = opt.format_choices();
let name_color = if opt.dirty { Color::Yellow } else { Color::White };
let val_color = match val_str.as_str() {
"enabled" => Color::Green,
"disabled" => Color::Red,
_ => Color::Cyan,
};
let p1 = Span::styled(
format!(" {} {:<w$} : ", dirty_str, opt.raw.name, w=max_name_width),
Style::default().fg(name_color)
);
let p2 = Span::styled(
format!("{:<w$} ", val_str, w=val_column_width),
Style::default().fg(val_color)
);
let p3 = Span::styled(
choices_str,
Style::default().fg(Color::LightMagenta)
);
ListItem::new(Line::from(vec![p1, p2, p3]))
}
}
})
.collect();
let list = List::new(items)
.block(Block::default().borders(Borders::LEFT | Borders::RIGHT))
.highlight_style(Style::default().bg(Color::Rgb(50, 50, 50)))
.highlight_symbol(" ");
f.render_stateful_widget(list, chunks[1], &mut app.state);
match app.input_mode {
InputMode::Normal => {
let mut desc = String::new();
if let Some(idx) = app.state.selected() {
if let FlattenedItem::Option(s, o) = app.flattened_items[idx] {
desc = app.sections[s].options[o].raw.description.clone().unwrap_or_default();
}
}
let status = if app.pending_g { "G-" } else if app.pending_z { "Z-" } else { "" };
let info = format!("{} {} | {}", status, app.status_msg, desc);
let p = Paragraph::new(info)
.style(Style::default().fg(Color::Gray))
.block(Block::default().borders(Borders::ALL).title("Status (:cmd, j/k:move, z+a:fold, /:search, Enter:edit)"));
f.render_widget(p, chunks[2]);
}
InputMode::Editing => {
let p = Paragraph::new(app.input_buffer.as_str())
.style(Style::default().fg(Color::Yellow))
.block(Block::default().borders(Borders::ALL).title("Edit Value (Enter to confirm)"));
f.render_widget(p, chunks[2]);
}
InputMode::Searching => {
let p = Paragraph::new(format!("/{}", app.input_buffer))
.style(Style::default().fg(Color::LightBlue))
.block(Block::default().borders(Borders::ALL).title("Search (Enter to jump)"));
f.render_widget(p, chunks[2]);
}
InputMode::Command => {
let p = Paragraph::new(format!(":{}", app.input_buffer))
.style(Style::default().fg(Color::White))
.block(Block::default().borders(Borders::ALL).title("Command"));
f.render_widget(p, chunks[2]);
}
InputMode::OutputViewer => {
let area = centered_rect(80, 80, f.area());
f.render_widget(Clear, area);
let p = Paragraph::new(app.last_output.as_str())
.style(Style::default().fg(Color::White))
.block(Block::default().borders(Borders::ALL).title("Shell Output (Esc to close, j/k to scroll)"))
.wrap(Wrap { trim: false })
.scroll((app.output_scroll, 0));
f.render_widget(p, area);
}
}
}
fn centered_rect(percent_x: u16, percent_y: u16, r: Rect) -> Rect {
let popup_layout = Layout::default()
.direction(Direction::Vertical)
.constraints([
Constraint::Percentage((100 - percent_y) / 2),
Constraint::Percentage(percent_y),
Constraint::Percentage((100 - percent_y) / 2),
])
.split(r);
Layout::default()
.direction(Direction::Horizontal)
.constraints([
Constraint::Percentage((100 - percent_x) / 2),
Constraint::Percentage(percent_x),
Constraint::Percentage((100 - percent_x) / 2),
])
.split(popup_layout[1])[1]
}