Prints welcome
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9632e8705e
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ashe@tilde.club's password:
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Welcome to AsheOS 21.12.1 LTS (HRT/Estrix 6.25.21-wasm)
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* Technical: https://tempest.dev
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* Personal: https://ashe.gay
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* Community: https://tilde.club
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System information as of Sun Dec 12 01:20:23 UTC 2021
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Usage of /: 83.0% of 128MB
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Memory usage: 12%
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Processes: 15
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Users logged in: 1
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Last login: Sat Dec 11 06:52:52 2021 from 142.44.150.184
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use wasm_bindgen::prelude::*;
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use web_sys::KeyboardEvent;
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use web_sys::Element;
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use crate::State;
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pub enum Key {
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Letter(char),
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Space,
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Backspace,
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Return,
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Ctrl(Box<Key>)
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}
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pub fn parse_key_event(event : &KeyboardEvent, ignore_ctrl : bool) -> Option<Key> {
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if event.ctrl_key() && !ignore_ctrl {
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let base = parse_key_event(event, true)?;
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return Some(Key::Ctrl(Box::new(base)))
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}
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let key = event.key();
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// TODO: ^C
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match key.as_str() {
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"Space" => Some(Key::Space),
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"Backspace" => Some(Key::Backspace),
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"Enter" => Some(Key::Return),
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_ => {
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if key.len() != 1 {
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None
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} else {
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Some(Key::Letter(key.chars().next().unwrap()))
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}
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}
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}
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}
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pub fn update_state(state : &mut State, key : Key) {
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match key {
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Key::Return => {
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let input = std::mem::replace(&mut state.input, String::new());
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state.output.push_back(format!("{} {}", state.prompt, input));
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if state.output.len() > state.max_rows {
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state.output.pop_front();
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}
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// TODO - parse the command
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},
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Key::Backspace => {
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if state.input.len() > 0 {
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state.input.remove(state.input.len() - 1);
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}
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},
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Key::Space => state.input += " ",
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Key::Letter(letter) => {
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let mut tmp = [0; 4];
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state.input += letter.encode_utf8(&mut tmp)
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}
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Key::Ctrl(letter) =>
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match letter.as_ref() {
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Key::Letter(letter) => {
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if *letter == 'c' {
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let mut input = std::mem::replace(&mut state.input, String::new());
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input += "^C";
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state.output.push_back(format!("{}", input));
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if state.output.len() > state.max_rows {
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state.output.pop_front();
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}
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}
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}
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_ => ()
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}
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}
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}
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#[wasm_bindgen(inline_js = "const ansi_up = new AnsiUp; export function format_html(text) { return ansi_up.ansi_to_html(text).replace(/(https:[^ ]*)/g, '<a href=\"$1\" target=\"_blank\">$1</a>') }")]
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extern "C" {
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fn format_html(text : String) -> String;
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}
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pub fn print_state(target : &mut Element, state : &State) {
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let mut output = state.output.iter().map(|s| (*s).clone()).collect::<Vec<String>>().join("\n");
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if state.output.len() > 0 {
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output += "\n";
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}
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if state.prompt.len() > 0 {
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output += "\x1b[0;31m";
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output += state.prompt.as_str();
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output += " ";
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}
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// TODO: Line overflow
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output += state.input.as_str();
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output += "\x1b[0m";
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let formatted = format_html(output);
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target.set_inner_html(formatted.as_str());
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}
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pub fn build_prompt() -> String {
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let mut prompt = String::new();
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prompt += "\x1b[0;36m";
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prompt += "ashe";
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prompt += "\x1b[2;33m";
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prompt += "@";
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prompt += "tilde.club";
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prompt += "\x1b[2;37m";
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prompt += ":";
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prompt += "\x1b[2;32m";
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prompt += "~";
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prompt += "\x1b[2;37m";
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prompt += "$";
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return prompt
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}
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