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use zellij_tile::prelude::*;
use crate::filter_sessions_for_client;
use crate::screens::ActiveScreen;
use crate::state::State;
use crate::workspace::pane_id_of;
const EMPTY_WELCOME_LIST_GRACE_SECS: f64 = 0.4;
pub fn refresh_pane_manifest(state: &mut State, manifest: PaneManifest) {
state.workspace.panes_by_tab_position = manifest.panes;
let live_pane_ids: std::collections::HashSet<PaneId> = state
.workspace
.panes_by_tab_position
.values()
.flat_map(|panes| panes.iter().map(pane_id_of))
.collect();
state
.workspace
.latest_pane_contents
.retain(|id, _| live_pane_ids.contains(id));
state
.workspace
.pane_last_activity
.retain(|id, _| live_pane_ids.contains(id));
if let Some(selected) = state.workspace.selected_pane_id {
if !live_pane_ids.contains(&selected) {
state.fit.reset_local();
}
}
}
pub fn reconcile_selected_tab(state: &mut State) {
let Some(pos) = state.workspace.selected_tab_position else {
state.workspace.selected_tab_position =
state.workspace.tabs_in_order().first().map(|t| t.position);
return;
};
let still_visible = state
.workspace
.tabs_in_order()
.iter()
.any(|t| t.position == pos);
if !still_visible {
state.fit.clear_if_active();
state.workspace.selected_tab_position =
state.workspace.tabs_in_order().first().map(|t| t.position);
state.workspace.selected_pane_id = None;
}
}
pub fn resolve_pending_new_tab(state: &mut State) {
let Some(target) = state.workspace.pending_new_tab_position else {
return;
};
let Some(id) = state
.workspace
.panes_for_tab(target)
.into_iter()
.next()
.map(pane_id_of)
else {
return;
};
state.workspace.selected_tab_position = Some(target);
state.workspace.selected_pane_id = Some(id);
state.viewport.reset_pan();
state.active = ActiveScreen::Viewport;
state.workspace.pending_new_tab_position = None;
}
pub fn ensure_pane_selected(state: &mut State) {
if state.workspace.selected_pane_id.is_none() {
if let Some(pane) = state.workspace.current_tab_panes().into_iter().next() {
state.workspace.selected_pane_id = Some(pane_id_of(pane));
}
}
}
pub fn maybe_take_over_welcome(state: &mut State) {
if state.sessions.is_welcome_screen
|| state.active != ActiveScreen::Viewport
|| !state.workspace.current_pane_is_welcome()
{
return;
}
if let Some(pane) = state.workspace.current_pane() {
close_plugin_pane(pane.id);
}
state.active = ActiveScreen::Sessions;
state.navigation.selector_scroll_offset = 0;
state.menu.open = false;
state.sessions.is_welcome_screen = true;
if let Ok(snapshot) = get_session_list() {
let filtered = filter_sessions_for_client(snapshot.live_sessions, state);
state.sessions.sessions = filtered;
}
set_timeout(EMPTY_WELCOME_LIST_GRACE_SECS);
}
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