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