iota/iota-cli/src/elements/console_card.rs
2026-07-23 23:13:02 +02:00

389 lines
11 KiB
Rust

use crossterm::event::{KeyCode, KeyEvent};
use ratatui::{
Frame,
layout::Rect,
text::{Line, Span},
widgets::{Block, Borders, Paragraph},
};
use std::{
any::Any,
sync::{Arc, Mutex},
time::Duration,
};
use tokio::time::Instant;
use crate::{
elements::elements::{Element, InteractableElement, JoinableElement},
interaction_result::InteractionResult,
ipc_client::IpcClient,
render_context::RenderContext,
util::borders::draw_block_joins,
};
pub struct ConsoleCard {
ipc: Arc<IpcClient>,
focused: bool,
pub title: String,
pub content: String,
pub cursor_position: usize,
borders: Borders,
joins: Borders,
cursor: Arc<Mutex<bool>>,
last_swap: Arc<Mutex<Instant>>,
pending_restore: Arc<Mutex<Option<String>>>,
pending_confirmation: Option<String>,
}
impl ConsoleCard {
pub fn new(title: &str, content: &str, ipc: Arc<IpcClient>) -> Self {
ConsoleCard {
ipc,
focused: false,
title: title.to_string(),
content: content.to_string(),
cursor_position: content.chars().count(),
borders: Borders::ALL,
joins: Borders::NONE,
cursor: Arc::new(Mutex::new(true)),
last_swap: Arc::new(Mutex::new(Instant::now())),
pending_restore: Arc::new(Mutex::new(None)),
pending_confirmation: None,
}
}
fn byte_index(&self) -> usize {
self.content
.char_indices()
.nth(self.cursor_position)
.map(|(i, _)| i)
.unwrap_or(self.content.len())
}
fn cursor_visible(&self) -> bool {
if !self.focused {
return false;
}
let mut visible = self.cursor.lock().unwrap();
let mut last = self.last_swap.lock().unwrap();
let now = Instant::now();
if now.duration_since(*last) >= Duration::from_millis(500) {
*visible = !*visible;
*last = now;
}
*visible
}
fn current_prefix(&self) -> Option<&str> {
if self.content.starts_with('/') {
Some("/")
} else {
None
}
}
fn cursor_spans(&self, theme: &crate::theme::ResolvedTheme) -> Vec<Span<'static>> {
let cursor_visible = self.cursor_visible();
let mut spans = Vec::new();
if self.content.is_empty() {
if self.focused {
if cursor_visible {
Self::push_cursor(&mut spans, theme);
} else {
spans.push(Span::styled(" ", theme.console.text));
}
spans.push(Span::styled(
"send command (/help for info)",
theme.console.hint,
));
} else {
spans.push(Span::styled(
" send command (/help for info)",
theme.console.hint,
));
}
return spans;
}
let byte_index = self.byte_index();
let before = self.content[..byte_index].to_string();
let after = self.content[byte_index..].to_string();
let prefix_len = self.current_prefix().map(|s| s.len()).unwrap_or(0);
if prefix_len > 0 && before.len() >= prefix_len {
let prefix = &before[..prefix_len];
let rest = &before[prefix_len..];
spans.push(Span::styled(prefix.to_string(), theme.console.prefix));
if !rest.is_empty() {
spans.push(Span::styled(rest.to_string(), theme.console.text));
}
} else if !before.is_empty() {
spans.push(Span::styled(before.clone(), theme.console.text));
}
if cursor_visible {
Self::push_cursor(&mut spans, theme);
}
if !after.is_empty() {
spans.push(Span::styled(after, theme.console.text));
}
spans
}
fn push_cursor(spans: &mut Vec<Span<'static>>, theme: &crate::theme::ResolvedTheme) {
match &theme.console.cursor {
crate::theme::CursorPresentation::StyledCell(style) => {
spans.push(Span::styled(" ", *style))
}
crate::theme::CursorPresentation::Character { glyph, style } => {
spans.push(Span::styled(*glyph, *style))
}
}
}
fn render_cursor_spans(&self, theme: &crate::theme::ResolvedTheme) -> Vec<Span<'static>> {
if let Some(command) = &self.pending_confirmation {
return vec![Span::styled(
format!("Confirm `{command}`? [y/N]"),
theme.console.confirmation,
)];
}
self.cursor_spans(theme)
}
fn is_destructive(command: &str) -> bool {
matches!(
command.trim_start_matches('/').trim(),
"restart" | "reload" | "stop" | "shutdown" | "regenerate keys"
) || command
.trim_start_matches('/')
.trim_start()
.starts_with("user remove ")
}
fn dispatch_command(&self, command: String) {
let ipc = self.ipc.clone();
let restore = self.pending_restore.clone();
tokio::spawn(async move {
if ipc.send_command(0, command.clone()).await.is_err() {
*restore.lock().unwrap() = Some(command);
}
});
}
fn move_cursor_left(&mut self) {
if self.cursor_position > 0 {
self.cursor_position -= 1;
}
}
fn move_cursor_right(&mut self) {
let len = self.content.chars().count();
if self.cursor_position < len {
self.cursor_position += 1;
}
}
fn delete_at_cursor(&mut self) {
if self.content.is_empty() || self.cursor_position == 0 {
return;
}
let start = self
.content
.char_indices()
.nth(self.cursor_position.saturating_sub(1))
.map(|(i, _)| i)
.unwrap_or(0);
let end = self.byte_index();
self.content.replace_range(start..end, "");
self.cursor_position -= 1;
}
fn insert_at_cursor(&mut self, c: char) {
let idx = self.byte_index();
self.content.insert(idx, c);
self.cursor_position += 1;
}
}
impl Element for ConsoleCard {
fn as_any(&self) -> &dyn Any {
self
}
fn as_any_mut(&mut self) -> &mut dyn Any {
self
}
fn render(&self, f: &mut Frame, r: Rect, context: &RenderContext<'_>) {
let block = Block::default()
.borders(self.borders)
.title(self.title.clone())
.title_style(context.theme.console.title)
.border_style(if self.focused {
context.theme.console.focused_border
} else {
context.theme.console.border
})
.style(context.theme.console.text);
let spans = self.render_cursor_spans(context.theme);
let par = Paragraph::new(Line::from(spans))
.block(block)
.scroll((0, 0));
f.render_widget(par, r);
draw_block_joins(
f,
r,
self.borders,
self.joins,
if self.focused {
context.theme.borders.focused
} else {
context.theme.borders.normal
},
);
}
}
impl JoinableElement for ConsoleCard {
fn as_any(&self) -> &dyn Any {
self
}
fn as_any_mut(&mut self) -> &mut dyn Any {
self
}
fn as_element(&self) -> &(dyn Element + 'static) {
self
}
fn as_element_mut(&mut self) -> &mut (dyn Element + 'static) {
self
}
fn set_borders(&mut self, borders: Borders) {
self.borders = borders;
}
fn set_joins(&mut self, joins: Borders) {
self.joins = joins;
}
}
impl InteractableElement for ConsoleCard {
fn as_any(&self) -> &dyn Any {
self
}
fn as_any_mut(&mut self) -> &mut dyn Any {
self
}
fn as_element(&self) -> &(dyn Element + 'static) {
self
}
fn as_element_mut(&mut self) -> &mut (dyn Element + 'static) {
self
}
fn interact(&mut self, key: KeyEvent) -> InteractionResult {
// Check if a previously failed command should be restored.
if let Some(restored) = self.pending_restore.lock().unwrap().take() {
self.content = restored;
self.cursor_position = self.content.chars().count();
}
if let Some(command) = self.pending_confirmation.take() {
if matches!(key.code, KeyCode::Char('y') | KeyCode::Char('Y')) {
self.dispatch_command(command);
}
return InteractionResult::Handled;
}
match key.code {
KeyCode::Enter => {
if self.content.is_empty() {
return InteractionResult::Handled;
}
let command = self.content.clone();
self.content.clear();
self.cursor_position = 0;
if Self::is_destructive(&command) {
self.pending_confirmation = Some(command);
} else {
self.dispatch_command(command);
}
InteractionResult::Handled
}
KeyCode::Backspace => {
self.delete_at_cursor();
InteractionResult::Handled
}
KeyCode::Delete => {
let len = self.content.chars().count();
if self.cursor_position < len {
let start = self.byte_index();
let end = self
.content
.char_indices()
.nth(self.cursor_position + 1)
.map(|(i, _)| i)
.unwrap_or(self.content.len());
self.content.replace_range(start..end, "");
}
InteractionResult::Handled
}
KeyCode::Left => {
self.move_cursor_left();
InteractionResult::Handled
}
KeyCode::Right => {
self.move_cursor_right();
InteractionResult::Handled
}
KeyCode::Home => {
self.cursor_position = 0;
InteractionResult::Handled
}
KeyCode::End => {
self.cursor_position = self.content.chars().count();
InteractionResult::Handled
}
KeyCode::Tab | KeyCode::BackTab => InteractionResult::Unhandled,
_ => {
if let Some(c) = key.code.as_char() {
self.insert_at_cursor(c);
InteractionResult::Handled
} else {
InteractionResult::Unhandled
}
}
}
}
fn can_focus(&self) -> bool {
true
}
fn is_focused(&self) -> bool {
self.focused
}
fn focus(&mut self, f: bool) {
self.focused = f;
}
}