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|
#![warn(rust_2018_idioms)]
#[allow(unused_imports)]
#[cfg(feature = "log")]
#[macro_use]
extern crate log;
// TODO: Deny unused imports.
use std::{
boxed::Box,
fs,
io::{stdout, Write},
panic::PanicInfo,
path::PathBuf,
sync::Arc,
sync::Condvar,
sync::Mutex,
thread,
time::{Duration, Instant},
};
use crossterm::{
event::{
read, DisableMouseCapture, Event, KeyCode, KeyEvent, KeyModifiers, MouseEvent,
MouseEventKind,
},
execute,
style::Print,
terminal::{disable_raw_mode, LeaveAlternateScreen},
};
use app::{
data_harvester::{self},
event::EventResult,
layout_manager::WidgetDirection,
AppState, UsedWidgets,
};
use constants::*;
use options::*;
use utils::error;
pub mod app;
pub mod utils {
pub mod error;
pub mod gen_util;
pub mod logging;
}
pub mod canvas;
pub mod clap;
pub mod constants;
pub mod data_conversion;
pub mod options;
pub mod units;
#[cfg(target_family = "windows")]
pub type Pid = usize;
#[cfg(target_family = "unix")]
pub type Pid = libc::pid_t;
#[derive(Debug)]
pub enum BottomEvent {
KeyInput(KeyEvent),
MouseInput(MouseEvent),
Update(Box<data_harvester::Data>),
Resize { width: u16, height: u16 },
Clean,
}
#[derive(Debug)]
pub enum ThreadControlEvent {
Reset,
UpdateConfig(Box<app::AppConfigFields>),
UpdateUsedWidgets(Box<UsedWidgets>),
UpdateUpdateTime(u64),
}
pub fn handle_key_event(
event: KeyEvent, app: &mut AppState, reset_sender: &std::sync::mpsc::Sender<ThreadControlEvent>,
) -> EventResult {
// debug!("KeyEvent: {:?}", event);
// TODO: [PASTE] Note that this does NOT support some emojis like flags. This is due to us
// catching PER CHARACTER right now WITH A forced throttle! This means multi-char will not work.
// We can solve this (when we do paste probably) while keeping the throttle (mainly meant for movement)
// by throttling after *bulk+singular* actions, not just singular ones.
if event.modifiers.is_empty() {
// Required catch for searching - otherwise you couldn't search with q.
if event.code == KeyCode::Char('q') && !app.is_in_search_widget() {
return EventResult::Quit;
}
match event.code {
KeyCode::End => app.skip_to_last(),
KeyCode::Home => app.skip_to_first(),
KeyCode::Up => app.on_up_key(),
KeyCode::Down => app.on_down_key(),
KeyCode::Left => app.on_left_key(),
KeyCode::Right => app.on_right_key(),
KeyCode::Char(caught_char) => app.on_char_key(caught_char),
KeyCode::Esc => app.on_esc(),
KeyCode::Enter => app.on_enter(),
KeyCode::Tab => app.on_tab(),
KeyCode::Backspace => app.on_backspace(),
KeyCode::Delete => app.on_delete(),
KeyCode::F(1) => app.toggle_ignore_case(),
KeyCode::F(2) => app.toggle_search_whole_word(),
KeyCode::F(3) => app.toggle_search_regex(),
KeyCode::F(5) => app.toggle_tree_mode(),
KeyCode::F(6) => app.toggle_sort(),
KeyCode::F(9) => app.start_killing_process(),
_ => {
return EventResult::NoRedraw;
}
}
} else {
// Otherwise, track the modifier as well...
if let KeyModifiers::ALT = event.modifiers {
match event.code {
KeyCode::Char('c') | KeyCode::Char('C') => app.toggle_ignore_case(),
KeyCode::Char('w') | KeyCode::Char('W') => app.toggle_search_whole_word(),
KeyCode::Char('r') | KeyCode::Char('R') => app.toggle_search_regex(),
KeyCode::Char('h') => app.on_left_key(),
KeyCode::Char('l') => app.on_right_key(),
_ => {}
}
} else if let KeyModifiers::CONTROL = event.modifiers {
if event.code == KeyCode::Char('c') {
return EventResult::Quit;
}
match event.code {
KeyCode::Char('f') => app.on_slash(),
KeyCode::Left => app.move_widget_selection(&WidgetDirection::Left),
KeyCode::Right => app.move_widget_selection(&WidgetDirection::Right),
KeyCode::Up => app.move_widget_selection(&WidgetDirection::Up),
KeyCode::Down => app.move_widget_selection(&WidgetDirection::Down),
KeyCode::Char('r') => {
if reset_sender.send(ThreadControlEvent::Reset).is_ok() {
app.reset();
}
}
KeyCode::Char('a') => app.skip_cursor_beginning(),
KeyCode::Char('e') => app.skip_cursor_end(),
KeyCode::Char('u') => app.clear_search(),
KeyCode::Char('w') => app.clear_previous_word(),
KeyCode::Char('h') => app.on_backspace(),
// KeyCode::Char('j') => {}, // Move down
// KeyCode::Char('k') => {}, // Move up
// KeyCode::Char('h') => {}, // Move right
// KeyCode::Char('l') => {}, // Move left
// Can't do now, CTRL+BACKSPACE doesn't work and graphemes
// are hard to iter while truncating last (eloquently).
// KeyCode::Backspace => app.skip_word_backspace(),
_ => {
return EventResult::NoRedraw;
}
}
} else if let KeyModifiers::SHIFT = event.modifiers {
match event.code {
KeyCode::Left => app.move_widget_selection(&WidgetDirection::Left),
KeyCode::Right => app.move_widget_selection(&WidgetDirection::Right),
KeyCode::Up => app.move_widget_selection(&WidgetDirection::Up),
KeyCode::Down => app.move_widget_selection(&WidgetDirection::Down),
KeyCode::Char(caught_char) => app.on_char_key(caught_char),
_ => {
return EventResult::NoRedraw;
}
}
}
}
EventResult::Redraw
}
pub fn read_config(config_location: Option<&str>) -> error::Result<Option<PathBuf>> {
let config_path = if let Some(conf_loc) = config_location {
Some(PathBuf::from(conf_loc))
} else if cfg!(target_os = "windows") {
if let Some(home_path) = dirs::config_dir() {
let mut path = home_path;
path.push(DEFAULT_CONFIG_FILE_PATH);
Some(path)
} else {
None
}
} else if let Some(home_path) = dirs::home_dir() {
let mut path = home_path;
path.push(".config/");
path.push(DEFAULT_CONFIG_FILE_PATH);
if path.exists() {
// If it already exists, use the old one.
Some(path)
} else {
// If it does not, use the new one!
if let Some(config_path) = dirs::config_dir() {
let mut path = config_path;
path.push(DEFAULT_CONFIG_FILE_PATH);
Some(path)
} else {
None
}
}
} else {
None
};
Ok(config_path)
}
pub fn create_or_get_config(config_path: &Option<PathBuf>) -> error::Result<Config> {
if let Some(path) = config_path {
if let Ok(config_string) = fs::read_to_string(path) {
// We found a config file!
Ok(toml::from_str(config_string.as_str())?)
} else {
// Config file DNE...
|