Files
ostiary/src/ui.rs
2026-05-27 22:55:30 +07:00

868 lines
34 KiB
Rust

use crate::ansi;
use crate::config::Config;
use crate::executor;
use crate::app::{App, MessageLevel, Popup, UpdatingStatus};
use crate::text_input::TextInput;
use ratatui::{
layout::{Alignment, Constraint, Direction, Layout, Rect},
style::{Color, Modifier, Style},
text::{Line, Span},
widgets::{
Block, Borders, Clear, List, ListItem, ListState, Paragraph,
Scrollbar, ScrollbarOrientation, ScrollbarState, Wrap,
},
Frame,
};
pub fn render(f: &mut Frame, app: &mut App) {
let area = f.area();
let chunks = Layout::default()
.direction(Direction::Vertical)
.margin(1)
.constraints([Constraint::Min(3), Constraint::Length(3)].as_ref())
.split(area);
render_menu(f, app, chunks[0]);
render_description(f, app, chunks[1]);
if let Some(popup) = &mut app.popup {
render_popup(f, popup, &app.config);
}
}
fn render_menu(f: &mut Frame, app: &mut App, area: Rect) {
const SCROLLOFF: usize = 1;
let items = app.current_items();
let total = items.len();
let inner_w = area.width.saturating_sub(2) as usize;
let inner_h = area.height.saturating_sub(2) as usize;
let sel = if total > 0 { app.selected_index.min(total - 1) } else { 0 };
let item_lines: Vec<Vec<String>> = items.iter().map(|item| {
let prefix = match &item.kind {
crate::menu::MenuItemKind::Category { .. } => "📁 ",
crate::menu::MenuItemKind::Action { .. } => "",
};
wrap_to_lines(&format!("{}{}", prefix, item.title), inner_w)
}).collect();
let vis_from = |off: usize| -> usize {
let mut rows = 0usize;
let mut n = 0usize;
for lines in item_lines.get(off..).unwrap_or(&[]) {
let h = lines.len().max(1);
if rows + h > inner_h { break; }
rows += h;
n += 1;
}
n
};
let offset = &mut app.menu_scroll_offset;
if total == 0 {
*offset = 0;
} else {
if *offset > sel { *offset = sel; }
if sel < offset.saturating_add(SCROLLOFF) && *offset > 0 {
*offset = sel.saturating_sub(SCROLLOFF);
}
loop {
let vis = vis_from(*offset);
if vis == 0 { break; }
let trigger = offset.saturating_add(vis).saturating_sub(SCROLLOFF);
if sel >= trigger && *offset + vis < total {
*offset += 1;
} else {
break;
}
}
let max_off = total.saturating_sub(1);
*offset = (*offset).min(max_off);
}
let start = *offset;
let vis = vis_from(start);
let end = (start + vis).min(total);
let list_items: Vec<ListItem> = item_lines[start..end]
.iter()
.enumerate()
.map(|(i, lines)| {
let abs = start + i;
let text: Vec<Line> = lines.iter().map(|l| Line::from(l.clone())).collect();
let li = ListItem::new(ratatui::text::Text::from(text));
if abs == sel {
li.style(Style::default().bg(Color::Blue).add_modifier(Modifier::BOLD))
} else {
li
}
})
.collect();
let endpoint_title = app.config.endpoints.iter()
.find(|ep| ep.url == app.config.active_endpoint)
.map(|ep| format!(" {} ", ep.name))
.unwrap_or_else(|| " Меню ".to_string());
let list = List::new(list_items).block(
Block::default()
.borders(Borders::ALL)
.title(endpoint_title)
.title(
Line::from(Span::styled(
format!(" v{} ", env!("CARGO_PKG_VERSION")),
Style::default().fg(Color::DarkGray),
))
.alignment(Alignment::Right),
),
);
f.render_widget(list, area);
if total > vis {
let max_off = total.saturating_sub(vis);
let scrollbar = Scrollbar::default()
.orientation(ScrollbarOrientation::VerticalRight)
.begin_symbol(Some(""))
.end_symbol(Some(""))
.thumb_symbol("");
let mut sb_state = ScrollbarState::new(max_off).position(start);
let sb_area = Rect {
x: area.x + area.width.saturating_sub(1),
y: area.y + 1,
width: 1,
height: area.height.saturating_sub(2),
};
f.render_stateful_widget(scrollbar, sb_area, &mut sb_state);
}
}
fn render_description(f: &mut Frame, app: &App, area: Rect) {
let text = if let Some(error) = &app.error {
format!("⚠️ Ошибка: {}", error)
} else if let Some(item) = app.selected_item() {
item.description.as_deref().unwrap_or("Нет описания").to_string()
} else {
"Выберите пункт меню".to_string()
};
let paragraph = Paragraph::new(text)
.block(Block::default().borders(Borders::ALL).title("Описание"))
.wrap(Wrap { trim: true });
f.render_widget(paragraph, area);
}
fn render_popup(f: &mut Frame, popup: &mut Popup, config: &Config) {
let area = f.area();
let popup_area = match popup {
Popup::UpdateConfirm { .. } | Popup::Updating { .. } => centered_rect(50, 40, area),
_ => centered_rect(80, 90, area),
};
f.render_widget(Clear, popup_area);
match popup {
Popup::Confirming { action: _, item_title, confirm_message } => {
let block = Block::default()
.borders(Borders::ALL)
.title("Подтверждение")
.border_style(Style::default().fg(Color::Yellow));
let text = if let Some(msg) = confirm_message {
vec![
Line::from(Span::raw(msg.as_str())),
Line::from(""),
Line::from(Span::styled(
" [Y] Подтвердить [N / Esc] Отмена",
Style::default().fg(Color::Yellow),
)),
]
} else {
vec![
Line::from(Span::raw(format!("Запустить '{}'?", item_title))),
Line::from(""),
Line::from(Span::styled(
" [Y] Подтвердить [N / Esc] Отмена",
Style::default().fg(Color::Yellow),
)),
]
};
f.render_widget(
Paragraph::new(text).block(block).alignment(Alignment::Center).wrap(Wrap { trim: true }),
popup_area,
);
}
Popup::ExecutingStructured {
reply_tx: _,
kill_tx: _,
log_buffer,
current_command,
input,
menu_selected_index,
form_cursor,
form_values,
log_scroll_pos,
log_scroll_x,
log_follow_bottom,
finished,
} => {
let cmd_height: u16 = match current_command {
Some(executor::StructuredCommand::Menu { options, .. }) => (options.len() as u16 + 2).min(14),
Some(executor::StructuredCommand::Form { fields, .. }) => (fields.len() as u16 + 2).min(16),
Some(_) => 5,
None => 0,
};
let chunks = Layout::default()
.direction(Direction::Vertical)
.margin(1)
.constraints([Constraint::Min(3), Constraint::Length(cmd_height)].as_ref())
.split(popup_area);
let visible = chunks[0].height.saturating_sub(2) as usize;
let total = log_buffer.len();
let max_pos = total.saturating_sub(visible);
if *log_follow_bottom {
*log_scroll_pos = max_pos;
} else {
*log_scroll_pos = (*log_scroll_pos).min(max_pos);
}
let pos = *log_scroll_pos;
let start = pos;
let end = (start + visible).min(total);
let viewport_w = chunks[0].width.saturating_sub(2) as usize;
let max_content_w: usize = log_buffer
.iter()
.map(|l| ansi::parse_line(l).iter().map(|(_, s)| s.chars().count()).sum::<usize>())
.max()
.unwrap_or(0);
let max_scroll_x = max_content_w.saturating_sub(viewport_w);
*log_scroll_x = (*log_scroll_x).min(max_scroll_x);
let scroll_x = *log_scroll_x;
let log_items: Vec<ListItem> = log_buffer[start..end]
.iter()
.map(|line| {
let spans: Vec<Span> = h_scroll(ansi::parse_line(line), scroll_x);
ListItem::new(Line::from(spans))
})
.collect();
let at_bottom = pos >= max_pos;
let at_top = pos == 0;
let scroll_hint = if total <= visible {
String::new()
} else if at_top && at_bottom {
String::new()
} else if at_top {
format!(" │ PgDn/↓ вниз ({}/{})", end, total)
} else if at_bottom {
format!(" │ PgUp/↑ вверх ({}/{})", end, total)
} else {
format!(" │ PgUp ↑ PgDn ↓ ({}/{})", end, total)
};
let (title, border_color): (String, Color) = match finished {
Some(0) => (format!(" ✓ Завершено — Esc закрыть{} ", scroll_hint), Color::Green),
Some(code) => (format!(" ✗ Ошибка (код {}) — Esc закрыть{} ", code, scroll_hint), Color::Red),
None if at_top && at_bottom => (" Выполняется… ".to_string(), Color::DarkGray),
None if at_bottom => (" Выполняется… │ PgUp/↑ прокрутить вверх ".to_string(), Color::DarkGray),
None => (format!(" Выполняется… │ {}/{} │ PgDn/↓ вниз ", pos + 1, total), Color::Yellow),
};
let log_block = Block::default()
.borders(Borders::ALL)
.title(title.as_str())
.border_style(Style::default().fg(border_color));
f.render_widget(List::new(log_items).block(log_block), chunks[0]);
if total > visible {
let scrollbar = Scrollbar::default()
.orientation(ScrollbarOrientation::VerticalRight)
.begin_symbol(Some(""))
.end_symbol(Some(""))
.thumb_symbol("");
let mut sb_state = ScrollbarState::new(max_pos).position(pos);
let sb_area = Rect {
x: chunks[0].x + chunks[0].width.saturating_sub(1),
y: chunks[0].y + 1,
width: 1,
height: chunks[0].height.saturating_sub(2),
};
f.render_stateful_widget(scrollbar, sb_area, &mut sb_state);
}
if max_content_w > viewport_w {
let mut h_state = ScrollbarState::new(max_scroll_x).position(scroll_x);
let hscroll_area = Rect {
x: chunks[0].x + 1,
y: chunks[0].y + chunks[0].height.saturating_sub(1),
width: chunks[0].width.saturating_sub(2),
height: 1,
};
f.render_stateful_widget(
Scrollbar::new(ScrollbarOrientation::HorizontalBottom)
.begin_symbol(Some(""))
.end_symbol(Some(""))
.thumb_symbol("")
.track_symbol(Some("")),
hscroll_area,
&mut h_state,
);
}
if cmd_height > 0 {
if let Some(cmd) = current_command {
render_command(f, cmd, input, *menu_selected_index, *form_cursor, form_values, chunks[1]);
}
}
}
Popup::Message { text, level } => {
let color = match level {
MessageLevel::Info => Color::Green,
MessageLevel::Warn => Color::Yellow,
MessageLevel::Error => Color::Red,
};
let block = Block::default()
.borders(Borders::ALL)
.title("Сообщение")
.border_style(Style::default().fg(color));
f.render_widget(
Paragraph::new(text.as_str()).block(block).alignment(Alignment::Center).wrap(Wrap { trim: true }),
popup_area,
);
}
Popup::UpdateConfirm { info } => {
let mut lines = vec![
Line::from(""),
Line::from(Span::raw(format!(" {}{}", info.current_version, info.new_version))),
];
if info.size > 0 {
let mb = info.size as f64 / 1_048_576.0;
lines.push(Line::from(Span::raw(format!(" Размер: {:.1} МБ", mb))));
}
lines.push(Line::from(""));
lines.push(Line::from(Span::styled(
" [Y] Обновить [N / Esc] Пропустить",
Style::default().fg(Color::Yellow),
)));
let block = Block::default()
.borders(Borders::ALL)
.title(" Доступно обновление ")
.border_style(Style::default().fg(Color::Cyan));
f.render_widget(Paragraph::new(lines).block(block).wrap(Wrap { trim: true }), popup_area);
}
Popup::Updating { info, downloaded, status } => {
let (title, border_color) = match status {
UpdatingStatus::Downloading => (" Загрузка обновления… ", Color::Cyan),
UpdatingStatus::Applying => (" Применение обновления… ", Color::Yellow),
UpdatingStatus::Done => (" Обновление завершено ", Color::Green),
UpdatingStatus::Failed(_) => (" Ошибка обновления ", Color::Red),
};
let bar_width = popup_area.width.saturating_sub(4) as usize;
let progress_line = if info.size > 0 {
let percent = ((*downloaded as f64 / info.size as f64) * 100.0).min(100.0) as usize;
let filled = (percent * bar_width) / 100;
format!("[{}{}] {}%", "".repeat(filled), "".repeat(bar_width.saturating_sub(filled)), percent)
} else {
let pos = ((*downloaded / 4096) as usize) % bar_width.max(1);
let thumb = 4.min(bar_width);
let mut bar = vec!['░'; bar_width];
for i in pos..((pos + thumb).min(bar_width)) { bar[i] = '█'; }
format!("[{}]", bar.iter().collect::<String>())
};
let status_text = match status {
UpdatingStatus::Downloading => {
if info.size > 0 {
let mb_done = *downloaded as f64 / 1_048_576.0;
let mb_total = info.size as f64 / 1_048_576.0;
format!(" {:.1} / {:.1} МБ", mb_done, mb_total)
} else {
format!(" {} КБ загружено", *downloaded / 1024)
}
}
UpdatingStatus::Applying => " Применяется…".to_string(),
UpdatingStatus::Done => " Обновление успешно установлено. Перезапуск…".to_string(),
UpdatingStatus::Failed(msg) => format!(" Ошибка: {}", msg),
};
let mut lines = vec![
Line::from(""),
Line::from(Span::raw(progress_line)),
Line::from(""),
Line::from(Span::raw(status_text)),
];
if matches!(status, UpdatingStatus::Failed(_)) {
lines.push(Line::from(""));
lines.push(Line::from(Span::styled(" [Esc] Закрыть", Style::default().fg(Color::Yellow))));
}
let block = Block::default()
.borders(Borders::ALL)
.title(title)
.border_style(Style::default().fg(border_color));
f.render_widget(Paragraph::new(lines).block(block).wrap(Wrap { trim: true }), popup_area);
}
Popup::EndpointSelector { selected, scroll_offset } => {
let popup_area = centered_rect(70, 60, area);
f.render_widget(Clear, popup_area);
let endpoints = &config.endpoints;
let total = endpoints.len();
let inner_h = popup_area.height.saturating_sub(2) as usize;
let name_col_w = endpoints.iter()
.map(|ep| ep.name.chars().count())
.max()
.unwrap_or(8)
.max(8);
if *selected < *scroll_offset {
*scroll_offset = *selected;
} else if inner_h > 0 && *selected >= *scroll_offset + inner_h {
*scroll_offset = selected.saturating_sub(inner_h - 1);
}
let start = *scroll_offset;
let end = (start + inner_h).min(total);
let items: Vec<ListItem> = endpoints.get(start..end).unwrap_or(&[])
.iter()
.enumerate()
.map(|(i, ep)| {
let abs = start + i;
let is_selected = abs == *selected;
let is_active = ep.url == config.active_endpoint;
let prefix = if is_selected { "" } else { " " };
let n = ep.name.chars().count();
let pad = if n < name_col_w { " ".repeat(name_col_w - n) } else { String::new() };
let (bg, name_fg, url_fg) = if is_selected {
(Color::Blue, Color::White, Color::Gray)
} else {
(Color::Reset, Color::White, Color::DarkGray)
};
let name_style = if is_active {
Style::default().fg(name_fg).bg(bg).add_modifier(Modifier::BOLD)
} else {
Style::default().fg(name_fg).bg(bg)
};
ListItem::new(Line::from(vec![
Span::styled(prefix, Style::default().bg(bg)),
Span::styled(format!("{}{}", ep.name, pad), name_style),
Span::styled(" ", Style::default().bg(bg)),
Span::styled(ep.url.clone(), Style::default().fg(url_fg).bg(bg)),
]))
})
.collect();
let active_name = config.endpoints.iter()
.find(|ep| ep.url == config.active_endpoint)
.map(|ep| ep.name.as_str())
.unwrap_or("");
let block = Block::default()
.borders(Borders::ALL)
.title(format!(" Эндпоинты [активен: {}] ", active_name))
.title(
Line::from(Span::styled(" [Esc] ", Style::default().fg(Color::DarkGray)))
.alignment(Alignment::Right),
)
.title_bottom(
Line::from(Span::styled(
" [N] добавить [E] редактировать [D] удалить ",
Style::default().fg(Color::DarkGray),
))
.alignment(Alignment::Right),
)
.border_style(Style::default().fg(Color::Cyan));
f.render_widget(List::new(items).block(block), popup_area);
if total > inner_h {
let max_off = total.saturating_sub(inner_h);
let scrollbar = Scrollbar::default()
.orientation(ScrollbarOrientation::VerticalRight)
.begin_symbol(Some(""))
.end_symbol(Some(""))
.thumb_symbol("");
let mut sb_state = ScrollbarState::new(max_off).position(start);
let sb_area = Rect {
x: popup_area.x + popup_area.width.saturating_sub(1),
y: popup_area.y + 1,
width: 1,
height: popup_area.height.saturating_sub(2),
};
f.render_stateful_widget(scrollbar, sb_area, &mut sb_state);
}
}
Popup::UpsertEndpoint { edit_index, fields, active_field, error, .. } => {
let popup_area = centered_rect(60, 50, area);
f.render_widget(Clear, popup_area);
let chunks = Layout::default()
.direction(Direction::Vertical)
.margin(1)
.constraints([
Constraint::Length(3),
Constraint::Length(3),
Constraint::Length(2),
Constraint::Min(0),
])
.split(popup_area);
render_text_field(f, " Название ", &fields[0], *active_field == 0, chunks[0]);
render_text_field(f, " URL ", &fields[1], *active_field == 1, chunks[1]);
if let Some(err) = error {
f.render_widget(
Paragraph::new(err.as_str())
.style(Style::default().fg(Color::Red))
.wrap(Wrap { trim: true }),
chunks[2],
);
}
// Real terminal cursor in the active field
let af = *active_field;
let cx = (chunks[af].x + 1 + fields[af].cursor as u16)
.min(chunks[af].x + chunks[af].width.saturating_sub(2));
f.set_cursor_position((cx, chunks[af].y + 1));
let (title, hint) = if edit_index.is_some() {
(" Редактировать эндпоинт ", " Enter — далее / сохранить ")
} else {
(" Добавить эндпоинт ", " Enter — далее / добавить ")
};
f.render_widget(
Block::default()
.borders(Borders::ALL)
.title(title)
.title(
Line::from(Span::styled(" [Esc] ", Style::default().fg(Color::DarkGray)))
.alignment(Alignment::Right),
)
.title_bottom(
Line::from(Span::styled(hint, Style::default().fg(Color::DarkGray)))
.alignment(Alignment::Right),
)
.border_style(Style::default().fg(Color::Cyan)),
popup_area,
);
}
Popup::ConfirmDeleteEndpoint { index, .. } => {
let popup_area = centered_rect(50, 30, area);
f.render_widget(Clear, popup_area);
let name = config.endpoints.get(*index).map(|ep| ep.name.as_str()).unwrap_or("?");
let text = vec![
Line::from(""),
Line::from(Span::raw(format!(" Удалить эндпоинт «{}»?", name))),
Line::from(""),
Line::from(Span::styled(" [Y] Да [N / Esc] Нет", Style::default().fg(Color::Yellow))),
];
f.render_widget(
Paragraph::new(text)
.block(Block::default().borders(Borders::ALL).title(" Подтверждение ")
.border_style(Style::default().fg(Color::Yellow)))
.wrap(Wrap { trim: true }),
popup_area,
);
}
_ => {}
}
}
/// Renders a labelled text field with colored border for active/inactive state.
fn render_text_field(f: &mut Frame, label: &str, input: &TextInput, is_active: bool, area: Rect) {
let color = if is_active { Color::Cyan } else { Color::DarkGray };
f.render_widget(
Paragraph::new(input.buf.as_str()).block(
Block::default().borders(Borders::ALL).title(label)
.border_style(Style::default().fg(color)),
),
area,
);
}
fn render_command(
f: &mut Frame,
cmd: &executor::StructuredCommand,
input: &TextInput,
menu_selected_index: usize,
form_cursor: usize,
form_values: &[bool],
area: Rect,
) {
match cmd {
executor::StructuredCommand::Input { prompt, secret, .. } => {
let display = if *secret {
"".repeat(input.buf.chars().count())
} else {
input.buf.clone()
};
f.render_widget(
Paragraph::new(display.as_str()).block(
Block::default().borders(Borders::ALL).title(format!(" {} ", prompt))
.border_style(Style::default().fg(Color::Cyan)),
),
area,
);
let cursor_x = (area.x + 1 + input.cursor as u16).min(area.x + area.width.saturating_sub(2));
f.set_cursor_position((cursor_x, area.y + 1));
}
executor::StructuredCommand::Menu { prompt, options } => {
let items: Vec<ListItem> = options
.iter()
.enumerate()
.map(|(i, opt)| {
if i == menu_selected_index {
ListItem::new(Line::from(vec![
Span::styled("", Style::default().fg(Color::Cyan)),
Span::styled(opt.label.as_str(), Style::default().bg(Color::Blue).add_modifier(Modifier::BOLD)),
]))
} else {
ListItem::new(Line::from(vec![
Span::raw(" "),
Span::raw(opt.label.as_str()),
]))
}
})
.collect();
let mut state = ListState::default();
state.select(Some(menu_selected_index));
f.render_stateful_widget(
List::new(items).block(
Block::default().borders(Borders::ALL).title(format!(" {} ", prompt))
.title_bottom(
Line::from(Span::styled(" ↑↓ навигация Enter выбор ", Style::default().fg(Color::DarkGray)))
.alignment(Alignment::Right),
)
.border_style(Style::default().fg(Color::Cyan)),
),
area,
&mut state,
);
}
executor::StructuredCommand::Confirm { prompt } => {
f.render_widget(
Paragraph::new(vec![
Line::from(Span::raw(prompt.as_str())),
Line::from(""),
Line::from(Span::styled(" [Y] Да [N / Esc] Нет", Style::default().fg(Color::Yellow))),
])
.block(Block::default().borders(Borders::ALL).title(" Подтверждение ")
.border_style(Style::default().fg(Color::Yellow)))
.wrap(Wrap { trim: true }),
area,
);
}
executor::StructuredCommand::Message { level, text } => {
let color = match level {
executor::MessageLevel::Info => Color::Green,
executor::MessageLevel::Warn => Color::Yellow,
executor::MessageLevel::Error => Color::Red,
};
f.render_widget(
Paragraph::new(vec![
Line::from(Span::styled(text.as_str(), Style::default().fg(color))),
Line::from(""),
Line::from(Span::styled(" Нажмите Enter для продолжения", Style::default().fg(Color::DarkGray))),
])
.block(Block::default().borders(Borders::ALL).title(" Сообщение ")
.border_style(Style::default().fg(color)))
.wrap(Wrap { trim: true }),
area,
);
}
executor::StructuredCommand::Progress { percent, message } => {
let msg = message.as_deref().unwrap_or("");
match percent {
Some(pct) => {
let bar_width = area.width.saturating_sub(4) as usize;
let filled = (*pct as usize * bar_width) / 100;
let bar = format!(
"[{}{}] {}%",
"".repeat(filled),
"".repeat(bar_width.saturating_sub(filled)),
pct
);
f.render_widget(
Paragraph::new(vec![Line::from(bar), Line::from(msg)])
.block(Block::default().borders(Borders::ALL).title(" Прогресс ")
.border_style(Style::default().fg(Color::Cyan))),
area,
);
}
None => {
const SPINNER: &[&str] = &["", "", "", "", "", "", "", "", "", ""];
let frame = (std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
.unwrap_or_default()
.as_millis() / 120) as usize;
let spinner = SPINNER[frame % SPINNER.len()];
f.render_widget(
Paragraph::new(format!("{} {}", spinner, msg))
.block(Block::default().borders(Borders::ALL).title(" Прогресс ")
.border_style(Style::default().fg(Color::Cyan))),
area,
);
}
}
}
executor::StructuredCommand::Form { prompt, fields } => {
let items: Vec<ListItem> = fields.iter().enumerate().map(|(i, field)| {
let checked = form_values.get(i).copied().unwrap_or(false);
let icon = match field.field_type {
executor::FormFieldType::Checkbox => if checked { "[✓]" } else { "[ ]" },
executor::FormFieldType::Radio => if checked { "(●)" } else { "( )" },
};
let is_cursor = i == form_cursor;
let prefix = if is_cursor { "" } else { " " };
let style = if is_cursor {
Style::default().bg(Color::Blue).add_modifier(Modifier::BOLD)
} else {
Style::default()
};
ListItem::new(Line::from(vec![
Span::raw(format!("{}{} {}", prefix, icon, field.label)),
])).style(style)
}).collect();
let mut state = ListState::default();
state.select(Some(form_cursor));
f.render_stateful_widget(
List::new(items).block(
Block::default().borders(Borders::ALL).title(format!(" {} ", prompt))
.title_bottom(
Line::from(Span::styled(
" Space — переключить Enter/l — применить Esc — отмена ",
Style::default().fg(Color::DarkGray),
)).alignment(Alignment::Right),
)
.border_style(Style::default().fg(Color::Cyan)),
),
area,
&mut state,
);
}
executor::StructuredCommand::Exec { shell } => {
f.render_widget(
Paragraph::new(format!("Запуск: {}", shell))
.block(Block::default().borders(Borders::ALL).title(" Внешнее приложение ")
.border_style(Style::default().fg(Color::Magenta)))
.wrap(Wrap { trim: true }),
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),
].as_ref())
.split(r);
Layout::default()
.direction(Direction::Horizontal)
.constraints([
Constraint::Percentage((100 - percent_x) / 2),
Constraint::Percentage(percent_x),
Constraint::Percentage((100 - percent_x) / 2),
].as_ref())
.split(popup_layout[1])[1]
}
fn wrap_to_lines(text: &str, max_width: usize) -> Vec<String> {
if max_width == 0 || text.is_empty() {
return vec![text.to_string()];
}
let mut lines: Vec<String> = Vec::new();
let mut current = String::new();
for word in text.split_whitespace() {
let wlen = word.chars().count();
if current.is_empty() {
if wlen > max_width {
let chars: Vec<char> = word.chars().collect();
for chunk in chars.chunks(max_width) {
let s: String = chunk.iter().collect();
if s.chars().count() == max_width {
lines.push(s);
} else {
current = s;
}
}
} else {
current = word.to_string();
}
} else if current.chars().count() + 1 + wlen <= max_width {
current.push(' ');
current.push_str(word);
} else {
lines.push(std::mem::take(&mut current));
current = word.to_string();
}
}
if !current.is_empty() {
lines.push(current);
}
if lines.is_empty() {
lines.push(String::new());
}
lines
}
fn h_scroll(parsed: Vec<(ratatui::style::Style, String)>, offset: usize) -> Vec<Span<'static>> {
let mut skip = offset;
let mut result = Vec::new();
for (style, text) in parsed {
if skip == 0 {
result.push(Span::styled(text, style));
} else {
let len = text.chars().count();
if skip >= len {
skip -= len;
} else {
let trimmed: String = text.chars().skip(skip).collect();
skip = 0;
if !trimmed.is_empty() {
result.push(Span::styled(trimmed, style));
}
}
}
}
result
}