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//! UI selection substate: list cursors, picker overlays, scroll offsets.
use ratatui::widgets::ListState;
use crate::ui::theme::ThemeDef;
/// A picker overlay: open flag plus its list cursor.
#[derive(Debug, Default)]
pub struct PickerState {
pub open: bool,
pub list: ListState,
}
#[allow(dead_code)]
impl PickerState {
/// Open the picker with the cursor positioned at `index`.
pub fn open_at(&mut self, index: usize) {
self.open = true;
self.list.select(Some(index));
}
/// Close the picker and reset the cursor.
pub fn close(&mut self) {
self.open = false;
self.list.select(None);
}
}
/// Theme picker carries extra catalogue + preview state beyond a simple list.
#[derive(Debug, Default)]
pub struct ThemePickerState {
pub list: ListState,
pub builtins: Vec<ThemeDef>,
pub custom: Vec<ThemeDef>,
pub saved_name: String,
pub original: Option<ThemeDef>,
}
/// Region picker uses a cursor index rather than a ListState because region
/// rows are a synthetic flat array (provider × region pairs) rather than a
/// ratatui-managed list.
#[derive(Debug, Default)]
pub struct RegionPickerState {
pub open: bool,
pub cursor: usize,
}
#[derive(Debug, Default)]
pub struct UiSelection {
pub list_state: ListState,
pub key_picker: PickerState,
pub password_picker: PickerState,
pub proxyjump_picker: PickerState,
pub vault_role_picker: PickerState,
pub tag_picker_state: ListState,
pub bulk_tag_editor_state: ListState,
pub theme_picker: ThemePickerState,
pub provider_list_state: ListState,
pub tunnel_list_state: ListState,
pub tunnels_overview_state: ListState,
pub containers_overview_state: ListState,
/// Cursor for the host picker reached from the tunnels overview when
/// adding a new tunnel. Indexes into the editable-hosts slice built at
/// render time (hosts from included files are excluded).
pub tunnel_host_picker_state: ListState,
/// Live fuzzy-search query for the tunnel host picker. Always-on input
/// mode: every printable keystroke appends to the query and shrinks the
/// candidate set. Empty string means "show all".
pub tunnel_host_picker_query: String,
/// Cursor + live query for the containers-tab `a` host picker.
/// Mirrors the tunnel host picker pair; kept separate so the two
/// pickers can be open back-to-back without state bleed.
pub container_host_picker_state: ListState,
pub container_host_picker_query: String,
pub snippet_picker_state: ListState,
pub snippet_search: Option<String>,
pub region_picker: RegionPickerState,
pub help_scroll: u16,
pub detail_scroll: u16,
/// Set by handler, consumed by AnimationState to trigger detail panel transition.
pub detail_toggle_pending: bool,
/// Tracks when the welcome screen was opened to auto-dismiss it.
pub welcome_opened: Option<std::time::Instant>,
/// Set once the first time Esc-on-empty-list hint is shown per process.
pub esc_quit_hint_shown: bool,
/// Welcome-screen heuristic: number of known hosts at last render.
pub known_hosts_count: usize,
/// Pending SSH dispatch queued by connect actions; consumed by the event loop.
pub pending_connect: Option<(String, Option<String>)>,
}
impl UiSelection {
/// Construct with all picker/list state defaulted and the host list
/// selection pre-positioned at `initial` (the first selectable host or
/// pattern in the display list).
pub fn new_with_initial_selection(initial: Option<usize>) -> Self {
let mut s = Self::default();
if let Some(pos) = initial {
s.list_state.select(Some(pos));
}
s
}
/// Queue an SSH connect for the event loop to pick up via the next
/// `pending_connect.take()`. `askpass` carries the resolved per-host
/// password source so the event loop can prepare a SSH_ASKPASS env
/// before spawning the child.
pub fn queue_connect(&mut self, alias: String, askpass: Option<String>) {
self.pending_connect = Some((alias, askpass));
}
/// Enter snippet picker search mode with an empty query.
pub fn open_snippet_search(&mut self) {
self.snippet_search = Some(String::new());
}
/// Exit snippet picker search mode. Idempotent.
pub fn close_snippet_search(&mut self) {
self.snippet_search = None;
}
}
impl ThemePickerState {
/// Clear the catalogue lists and the saved-name input. Used by both
/// picker-close paths. The `list` cursor and `original` are
/// intentionally NOT touched here. The two callers handle `original`
/// differently: the Esc/q path consumes it via `.take()` before
/// calling reset (to restore the prior live theme); the Enter-save
/// path leaves `original` intact through reset and clears it
/// explicitly afterwards. Keeping `reset` orthogonal to `original`
/// lets both flows share the same body.
pub fn reset(&mut self) {
self.builtins = Vec::new();
self.custom = Vec::new();
self.saved_name = String::new();
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn queue_connect_sets_pending_connect_to_some() {
let mut s = UiSelection::default();
s.queue_connect("web1".into(), Some("vault:foo".into()));
assert_eq!(
s.pending_connect,
Some(("web1".to_string(), Some("vault:foo".to_string())))
);
}
#[test]
fn queue_connect_with_no_askpass_stores_none() {
let mut s = UiSelection::default();
s.queue_connect("web1".into(), None);
assert_eq!(s.pending_connect, Some(("web1".to_string(), None)));
}
#[test]
fn queue_connect_overwrites_existing_pending() {
let mut s = UiSelection::default();
s.queue_connect("first".into(), None);
s.queue_connect("second".into(), Some("p".into()));
assert_eq!(
s.pending_connect,
Some(("second".to_string(), Some("p".to_string())))
);
}
#[test]
fn open_snippet_search_sets_empty_query() {
let mut s = UiSelection::default();
s.open_snippet_search();
assert_eq!(s.snippet_search.as_deref(), Some(""));
}
#[test]
fn open_snippet_search_overwrites_existing_query_with_empty() {
// The handler currently calls open only when search was inactive,
// but the invariant should still hold: open is unconditional and
// resets to an empty query. Pin the reset semantic so a future
// caller cannot rely on a preserved query.
let mut s = UiSelection {
snippet_search: Some("old".to_string()),
..Default::default()
};
s.open_snippet_search();
assert_eq!(s.snippet_search.as_deref(), Some(""));
}
#[test]
fn close_snippet_search_clears_query() {
let mut s = UiSelection {
snippet_search: Some("query".to_string()),
..Default::default()
};
s.close_snippet_search();
assert!(s.snippet_search.is_none());
}
#[test]
fn close_snippet_search_is_idempotent() {
let mut s = UiSelection::default();
s.close_snippet_search();
s.close_snippet_search();
assert!(s.snippet_search.is_none());
}
#[test]
fn theme_picker_reset_clears_lists_and_saved_name() {
let mut t = ThemePickerState {
builtins: vec![ThemeDef::purple_purple()],
custom: vec![ThemeDef::purple_purple(), ThemeDef::purple_purple()],
saved_name: "Solarized".to_string(),
..Default::default()
};
t.reset();
assert!(t.builtins.is_empty());
assert!(t.custom.is_empty());
assert!(t.saved_name.is_empty());
}
#[test]
fn theme_picker_reset_preserves_original_and_list_cursor() {
let mut t = ThemePickerState {
builtins: vec![ThemeDef::purple_purple()],
original: Some(ThemeDef::purple_purple()),
..Default::default()
};
t.list.select(Some(2));
t.reset();
assert!(t.original.is_some(), "original must survive reset()");
assert_eq!(t.list.selected(), Some(2));
}
}