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//! Terminal UI (ratatui) mirroring the GUI: same panels, endpoints, collections,
//! environments, i18n and theming, driven by the keyboard instead of the mouse.
//!
//! Launched with `-r` / `--ratatui`.
mod app;
mod clipboard;
mod draw;
mod editor;
mod git_save;
mod input;
mod line_editor;
mod listscroll;
mod new_request;
mod postman;
pub(crate) mod remote;
// Shared with the GUI (`gui::report_editor`'s Source view) so a PaperTrail
// script is coloured identically in both front-ends: it produces `ratatui`
// spans, which the GUI converts to egui text sections rather than reimplementing
// the rules and letting the two drift.
pub(crate) mod report_highlight;
mod report_nodes;
mod reports;
#[cfg(test)]
mod tests;
pub(crate) mod theme;
mod theme_editor;
use ratatui::crossterm::event::{
self, Event, KeyEventKind, MouseButton, MouseEvent, MouseEventKind,
};
use std::io;
use std::time::Duration;
use app::TuiApp;
use draw::draw;
use tui_panel_select::TerminalGuard;
/// Entry point: set up the terminal, run the loop, and restore on exit.
pub fn run() -> io::Result<()> {
let mut terminal = ratatui::init();
// Enable mouse capture (so drag selections can be scoped to a single panel
// instead of the terminal emulator's own whole-row native selection) and
// the keyboard-enhancement protocol where supported (so Ctrl+Enter is
// reported distinctly from a plain Enter; F5 is the universal fallback).
// The guard also wraps the panic hook so both are restored on any panic —
// including a panic inside crossterm's own SGR mouse-sequence parser —
// instead of leaving the shell with mouse tracking still switched on and
// filling with garbage. See the `tui-panel-select` `terminal` module.
let guard = TerminalGuard::install(true)?;
let enhanced = guard.keyboard_enhancement_active();
let mut app = TuiApp::restored();
app.enhanced_keys = enhanced;
let result = loop {
if let Err(e) = terminal.draw(|f| draw(f, &mut app)) {
break Err(e);
}
// Apply any background secret-resolution results (non-blocking).
app.poll_env_updates();
// Apply completed response captures so later requests can use them.
app.poll_capture_updates();
// Advance the remote-git wizard when a background op finishes.
app.poll_git_updates();
// Advance the Postman bulk-import wizard when its worker reports in.
app.poll_postman_updates();
// Advance a background Workspace-redownload attempt (see
// `Overlay::WorkspaceReloadConfirm`/`WorkspaceReloadLoading`).
app.poll_workspace_redownload_updates();
// Advance the "save to git" wizard when a background op finishes.
app.poll_git_save_updates();
// Apply completed "Run All" (Alt+F5) results (captures + pass/fail markers).
app.poll_batch_run_updates();
// Apply a finished background report run (non-blocking; the app stayed
// responsive while it ran).
app.poll_report_run_updates();
match event::poll(Duration::from_millis(120)) {
Ok(true) => {
// Terminal (column, row) bounds to clamp every incoming
// mouse event against — some terminals report stale or
// out-of-range coordinates once the mouse leaves the window
// (or during a fast drag past its edge), and every part of
// the app assumes a mouse point is within the actual
// rendered area. Clamping here, once, keeps that invariant
// true everywhere downstream instead of each call site
// having to re-guard against it.
let bounds = terminal.size().unwrap_or_default();
let clamp_mouse = |mut m: MouseEvent| {
if bounds.width > 0 {
m.column = m.column.min(bounds.width - 1);
}
if bounds.height > 0 {
m.row = m.row.min(bounds.height - 1);
}
m
};
// Drain every event already queued (not just the one that
// woke us) before drawing again — a fast paste arrives as a
// burst of individual Key events, and a mouse drag can queue
// up many Drag events between frames. Applying them all
// before a single redraw (instead of one redraw per event)
// is what keeps paste/drag responsive instead of appearing
// to advance at ~1 event per frame. Capped so an unusually
// fast/continuous stream of input (e.g. a mouse reporting
// motion at a very high rate) can never starve the redraw
// entirely — the screen must still update periodically even
// mid-flood.
let mut pending_drag: Option<MouseEvent> = None;
let mut err = None;
let mut drained = 0u32;
const MAX_DRAINED_PER_FRAME: u32 = 512;
loop {
match event::read() {
Ok(Event::Key(key)) if key.kind == KeyEventKind::Press => {
if let Some(drag) = pending_drag.take() {
app.on_mouse(drag);
}
app.on_key(key);
}
Ok(Event::Mouse(mouse)) => {
let mouse = clamp_mouse(mouse);
// Consecutive Drag events collapse into just the
// latest position — only the final position of a
// burst of mouse-moves matters for a highlight
// recompute, so this turns N queued drags into a
// single selection update.
if mouse.kind == MouseEventKind::Drag(MouseButton::Left) {
pending_drag = Some(mouse);
} else {
if let Some(drag) = pending_drag.take() {
app.on_mouse(drag);
}
app.on_mouse(mouse);
}
}
Ok(_) => {}
Err(e) => {
err = Some(e);
break;
}
}
drained += 1;
if drained >= MAX_DRAINED_PER_FRAME {
break;
}
match event::poll(Duration::ZERO) {
Ok(true) => continue,
Ok(false) => break,
Err(e) => {
err = Some(e);
break;
}
}
}
if let Some(drag) = pending_drag.take() {
app.on_mouse(drag);
}
if let Some(e) = err {
break Err(e);
}
}
Ok(false) => {}
Err(e) => break Err(e),
}
// Keep auto-scrolling a selection drag held past its panel's edge
// even when the mouse itself isn't moving (no new Drag event to
// drive it) — ticked once per idle loop iteration, roughly every
// 120ms while nothing else arrives.
if app.has_pending_autoscroll() {
app.autoscroll_tick();
}
if app.quit {
app.save_state();
break Ok(());
}
};
drop(guard); // pops keyboard-enhancement flags + disables mouse capture
ratatui::restore();
result
}