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|
use zellij_tile::prelude::*;
use std::{collections::BTreeMap, sync::Arc};
use zjstatus::frames;
#[derive(Default, Debug, Clone)]
pub struct ZellijState {
pub mode: ModeInfo,
pub panes: PaneManifest,
pub tabs: Vec<TabInfo>,
}
#[derive(Default)]
struct State {
pending_events: Vec<Event>,
got_permissions: bool,
state: ZellijState,
hide_frame_for_single_pane: bool,
hide_frame_except_for_search: bool,
hide_frame_except_for_fullscreen: bool,
err: Option<anyhow::Error>,
}
#[cfg(not(test))]
register_plugin!(State);
#[cfg(feature = "tracing")]
fn init_tracing() {
use std::fs::File;
use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
let file = File::create("/host/.zjframes.log");
let file = match file {
Ok(file) => file,
Err(error) => panic!("Error: {:?}", error),
};
let debug_log = tracing_subscriber::fmt::layer().with_writer(Arc::new(file));
tracing_subscriber::registry().with(debug_log).init();
tracing::info!("tracing initialized");
}
impl ZellijPlugin for State {
fn load(&mut self, configuration: BTreeMap<String, String>) {
#[cfg(feature = "tracing")]
init_tracing();
// we need the ReadApplicationState permission to receive the ModeUpdate and TabUpdate
// events
// we need the RunCommands permission to run "cargo test" in a floating window
request_permission(&[
PermissionType::ReadApplicationState,
PermissionType::ChangeApplicationState,
]);
subscribe(&[
EventType::ModeUpdate,
EventType::PaneUpdate,
EventType::PermissionRequestResult,
EventType::TabUpdate,
EventType::SessionUpdate,
]);
self.hide_frame_for_single_pane = match configuration.get("hide_frame_for_single_pane") {
Some(toggle) => toggle == "true",
None => false,
};
self.hide_frame_except_for_search = match configuration.get("hide_frame_except_for_search")
{
Some(toggle) => toggle == "true",
None => false,
};
self.hide_frame_except_for_fullscreen =
match configuration.get("hide_frame_except_for_fullscreen") {
Some(toggle) => toggle == "true",
None => false,
};
self.pending_events = Vec::new();
self.got_permissions = false;
self.state = ZellijState::default();
}
#[tracing::instrument(skip_all, fields(event_type))]
fn update(&mut self, event: Event) -> bool {
if let Event::PermissionRequestResult(PermissionStatus::Granted) = event {
self.got_permissions = true;
while !self.pending_events.is_empty() {
tracing::debug!("processing cached event");
let ev = self.pending_events.pop();
self.handle_event(ev.unwrap());
}
}
if !self.got_permissions {
tracing::debug!("caching event");
self.pending_events.push(event);
return false;
}
self.handle_event(event)
}
#[tracing::instrument(skip_all)]
fn render(&mut self, _rows: usize, _cols: usize) {
if !self.got_permissions {
return;
}
if let Some(err) = &self.err {
println!("Error: {:?}", err);
return;
}
print!("Please load this plugin in the background");
}
}
impl State {
fn handle_event(&mut self, event: Event) -> bool {
let mut should_render = false;
match event {
Event::ModeUpdate(mode_info) => {
tracing::Span::current().record("event_type", "Event::ModeUpdate");
tracing::debug!(mode = ?mode_info.mode);
tracing::debug!(mode = ?mode_info.session_name);
self.state.mode = mode_info;
frames::hide_frames_conditionally(
&frames::FrameConfig::new(
self.hide_frame_for_single_pane,
self.hide_frame_except_for_search,
self.hide_frame_except_for_fullscreen,
),
&self.state.tabs,
&self.state.panes,
&self.state.mode,
get_plugin_ids(),
true,
);
}
Event::PaneUpdate(pane_info) => {
tracing::Span::current().record("event_type", "Event::PaneUpdate");
tracing::debug!(pane_count = ?pane_info.panes.len());
self.state.panes = pane_info;
frames::hide_frames_conditionally(
&frames::FrameConfig::new(
self.hide_frame_for_single_pane,
self.hide_frame_except_for_search,
self.hide_frame_except_for_fullscreen,
),
&self.state.tabs,
&self.state.panes,
&self.state.mode,
get_plugin_ids(),
true,
);
}
Event::PermissionRequestResult(result) => {
tracing::Span::current().record("event_type", "Event::PermissionRequestResult");
tracing::debug!(result = ?result);
set_selectable(false);
should_render = true;
}
Event::SessionUpdate(session_info, _) => {
tracing::Span::current().record("event_type", "Event::SessionUpdate");
let current_session = session_info.iter().find(|s| s.is_current_session);
if let Some(current_session) = current_session {
frames::hide_frames_conditionally(
&frames::FrameConfig::new(
self.hide_frame_for_single_pane,
self.hide_frame_except_for_search,
self.hide_frame_except_for_fullscreen,
),
¤t_session.tabs,
¤t_session.panes,
&self.state.mode,
get_plugin_ids(),
true,
);
}
}
Event::TabUpdate(tab_info) => {
tracing::Span::current().record("event_type", "Event::TabUpdate");
tracing::debug!(tab_count = ?tab_info.len());
self.state.tabs = tab_info;
}
_ => (),
};
should_render
}
}
|
