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Add ctrl c handling
This commit is contained in:
Caleb Bassi
parent
443a984020
commit
64c6594edf
11
Cargo.lock
generated
11
Cargo.lock
generated
@ -317,6 +317,15 @@ dependencies = [
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"winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "ctrlc"
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version = "3.1.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"nix 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "dirs"
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version = "2.0.1"
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@ -1004,6 +1013,7 @@ dependencies = [
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"chrono 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"crossterm 0.9.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"ctrlc 3.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"fern 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
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"heim 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -1505,6 +1515,7 @@ dependencies = [
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"checksum crossterm_terminal 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "18792c97c5cdcc5fd3582df58188a793bf290af4a53d5fc8442c7d17e003b356"
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"checksum crossterm_utils 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8321d40908d0ee77cb29335f591eae2b4f7225152f81b9dfa35a161ca3b077dc"
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"checksum crossterm_winapi 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c061e4a1c47a53952ba0f2396c00a61cd7ab74482eba99b9c9cc77fdca71932"
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"checksum ctrlc 3.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c7dfd2d8b4c82121dfdff120f818e09fc4380b0b7e17a742081a89b94853e87f"
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"checksum dirs 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1c4ef5a8b902d393339e2a2c7fe573af92ce7e0ee5a3ff827b4c9ad7e07e4fa1"
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"checksum dirs-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "937756392ec77d1f2dd9dc3ac9d69867d109a2121479d72c364e42f4cab21e2d"
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"checksum either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5527cfe0d098f36e3f8839852688e63c8fff1c90b2b405aef730615f9a7bcf7b"
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@ -10,6 +10,7 @@ edition = "2018"
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chrono = "0.4.7"
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crossbeam-channel = "0.3"
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crossterm = "0.9.6"
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ctrlc = { version = "3.1.3", features = ["termination"] }
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fern = "0.5.8"
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futures-preview = { version = "=0.3.0-alpha.17", features = ["async-await", "nightly"] }
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heim = "0.0.4"
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55
src/main.rs
55
src/main.rs
@ -8,6 +8,7 @@ mod widgets;
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use std::fs;
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use std::io;
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use std::path::Path;
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use std::process::exit;
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use std::thread;
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use std::time::Duration;
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@ -49,25 +50,34 @@ fn setup_terminal() -> io::Result<Terminal<CrosstermBackend>> {
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fn setup_ui_events() -> Receiver<InputEvent> {
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let (ui_events_sender, ui_events_receiver) = unbounded();
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thread::spawn(move || {
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let _screen = crossterm::RawScreen::into_raw_mode().unwrap(); // TODO: unwrap
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let _screen = crossterm::RawScreen::into_raw_mode().unwrap();
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let input = crossterm::input();
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input.enable_mouse_mode().unwrap(); // TODO: unwrap
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input.enable_mouse_mode().unwrap();
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let mut reader = input.read_sync();
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loop {
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ui_events_sender.send(reader.next().unwrap()).unwrap(); // TODO: unwraps
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ui_events_sender.send(reader.next().unwrap()).unwrap();
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}
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});
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ui_events_receiver
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}
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fn setup_ctrl_c() -> Result<Receiver<()>, ctrlc::Error> {
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let (sender, receiver) = unbounded();
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ctrlc::set_handler(move || {
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sender.send(()).unwrap();
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})?;
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Ok(receiver)
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}
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fn setup_logfile(logfile_path: &Path) {
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fs::create_dir_all(logfile_path.parent().unwrap()).unwrap(); // TODO: unwrap
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fs::create_dir_all(logfile_path.parent().unwrap()).unwrap();
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let logfile = fs::OpenOptions::new()
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.write(true)
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.create(true)
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.truncate(true)
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.open(logfile_path)
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.unwrap(); // TODO: unwrap
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.unwrap();
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fern::Dispatch::new()
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.format(|out, message, record| {
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out.finish(format_args!(
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@ -80,7 +90,7 @@ fn setup_logfile(logfile_path: &Path) {
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})
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.chain(logfile)
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.apply()
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.unwrap(); // TODO: unwrap
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.unwrap();
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}
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fn read_colorscheme(
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@ -89,7 +99,7 @@ fn read_colorscheme(
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) -> serde_json::Result<colorscheme::Colorscheme> {
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match colorscheme {
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args::Colorscheme::Custom(name) => serde_json::from_str(
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&fs::read_to_string(config_folder.join(name).with_extension("json")).unwrap(), // TODO: unwrap
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&fs::read_to_string(config_folder.join(name).with_extension("json")).unwrap(),
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),
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_ => {
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let json_string = match colorscheme {
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@ -102,7 +112,8 @@ fn read_colorscheme(
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args::Colorscheme::Vice => include_str!("../colorschemes/vice.json"),
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_ => unreachable!(),
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};
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Ok(serde_json::from_str(json_string).unwrap())
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Ok(serde_json::from_str(json_string)
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.expect("statically defined and verified json colorschemes"))
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}
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}
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}
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@ -182,12 +193,12 @@ fn draw_widgets<B: Backend>(terminal: &mut Terminal<B>, widgets: &mut Widgets) -
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widgets
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.disk_widget
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.as_mut()
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.unwrap() // TODO: unwrap
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.unwrap()
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.render(&mut frame, middle_left_vertical_chunks[0]);
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widgets
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.temp_widget
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.as_mut()
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.unwrap() // TODO: unwrap
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.unwrap()
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.render(&mut frame, middle_left_vertical_chunks[1]);
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let bottom_horizontal_chunks = Layout::default()
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.direction(Direction::Horizontal)
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@ -196,7 +207,7 @@ fn draw_widgets<B: Backend>(terminal: &mut Terminal<B>, widgets: &mut Widgets) -
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widgets
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.net_widget
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.as_mut()
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.unwrap() // TODO: unwrap
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.unwrap()
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.render(&mut frame, bottom_horizontal_chunks[0]);
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widgets
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.proc_widget
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@ -217,33 +228,37 @@ async fn main() {
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let mut show_help_menu = false;
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let program_name = env!("CARGO_PKG_NAME");
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let app_dirs = AppDirs::new(Some(program_name), AppUI::CommandLine).unwrap(); // TODO: unwrap
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let app_dirs = AppDirs::new(Some(program_name), AppUI::CommandLine).unwrap();
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let logfile_path = app_dirs.state_dir.join("errors.log");
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let colorscheme = read_colorscheme(&app_dirs.config_dir, &args.colorscheme).unwrap(); // TODO: unwrap
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let colorscheme = read_colorscheme(&app_dirs.config_dir, &args.colorscheme).unwrap();
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let mut widgets = setup_widgets(&args, &colorscheme);
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setup_logfile(&logfile_path);
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let mut terminal = setup_terminal().unwrap(); // TODO: unwrap
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let mut terminal = setup_terminal().unwrap();
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let mut ticks = 0;
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let ticker = tick(Duration::from_secs(1));
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let ui_events_receiver = setup_ui_events();
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let ctrl_c_events = setup_ctrl_c().unwrap();
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update_widgets(&mut widgets, ticks).await;
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draw_widgets(&mut terminal, &mut widgets).unwrap(); // TODO: unwrap
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draw_widgets(&mut terminal, &mut widgets).unwrap();
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loop {
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select! {
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recv(ctrl_c_events) -> _ => {
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break;
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}
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recv(ticker) -> _ => {
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ticks = (ticks + 1) % 60;
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update_widgets(&mut widgets, ticks).await;
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if !show_help_menu {
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draw_widgets(&mut terminal, &mut widgets).unwrap(); // TODO: unwrap
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draw_widgets(&mut terminal, &mut widgets).unwrap();
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}
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}
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recv(ui_events_receiver) -> message => {
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match message.unwrap() { // TODO: unwrap
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match message.unwrap() {
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InputEvent::Keyboard(key_event) => {
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match key_event {
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KeyEvent::Char(c) => match c {
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@ -251,9 +266,9 @@ async fn main() {
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'?' => {
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show_help_menu = !show_help_menu;
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if show_help_menu {
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draw_help_menu(&mut terminal, &mut widgets.help_menu).unwrap(); // TODO: unwrap
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draw_help_menu(&mut terminal, &mut widgets.help_menu).unwrap();
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} else {
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draw_widgets(&mut terminal, &mut widgets).unwrap(); // TODO: unwrap
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draw_widgets(&mut terminal, &mut widgets).unwrap();
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}
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},
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_ => {}
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@ -265,7 +280,7 @@ async fn main() {
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KeyEvent::Esc => {
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if show_help_menu {
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show_help_menu = false;
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draw_widgets(&mut terminal, &mut widgets).unwrap(); // TODO: unwrap
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draw_widgets(&mut terminal, &mut widgets).unwrap();
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}
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}
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_ => {}
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