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use pancurses::*;
use structopt::StructOpt;
#[derive(Debug, StructOpt)]
#[structopt(
name = "rmatrix",
about = "Shows a scrolling 'Matrix' like screen in linux"
)]
struct Opt {
#[structopt(short = "b", parse(from_occurrences))]
bold: isize,
#[structopt(short = "l", long = "console")]
console: bool,
#[structopt(short = "o", long = "oldstyle")]
oldstyle: bool,
#[structopt(short = "s", long = "screensaver")]
screensaver: bool,
#[structopt(short = "x", long = "xwindow")]
xwindow: bool,
#[structopt(
short = "u",
long = "update",
default_value = "4",
parse(try_from_str = validate_update)
)]
update: usize,
#[structopt(
short = "C",
long = "colour",
default_value = "green",
possible_values = &["green", "red", "blue", "white", "yellow", "cyan", "magenta", "black"]
)]
colour: String,
#[structopt(short = "r", long = "rainbow")]
rainbow: bool,
}
fn validate_update(n: &str) -> Result<usize, &'static str> {
if let Ok(n) = n.parse::<usize>() {
if n <= 10 {
return Ok(n);
}
}
Err("must be a number between 1 and 10")
}
pub struct Config {
pub bold: isize,
pub console: bool,
pub oldstyle: bool,
pub screensaver: bool,
pub xwindow: bool,
pub update: usize,
pub colour: i16,
pub rainbow: bool,
pub pause: bool,
}
impl Config {
pub fn default() -> Self {
let opt = Opt::from_args();
let colour = match opt.colour.as_ref() {
"green" => COLOR_GREEN,
"red" => COLOR_RED,
"blue" => COLOR_BLUE,
"white" => COLOR_WHITE,
"yellow" => COLOR_YELLOW,
"cyan" => COLOR_CYAN,
"magenta" => COLOR_MAGENTA,
"black" => COLOR_BLACK,
_ => unreachable!(),
};
Config {
bold: opt.bold,
console: opt.console,
oldstyle: opt.oldstyle,
screensaver: opt.screensaver,
xwindow: opt.xwindow,
update: opt.update,
rainbow: opt.rainbow,
colour,
pause: false,
}
}
pub fn handle_keypress(&mut self, keypress: char) {
if self.screensaver {
super::finish();
}
match keypress {
'q' => super::finish(),
'b' => self.bold = 1,
'B' => self.bold = 2,
'n' => self.bold = 0,
'!' => {
self.colour = COLOR_RED;
self.rainbow = false;
}
'@' => {
self.colour = COLOR_GREEN;
self.rainbow = false;
}
'#' => {
self.colour = COLOR_YELLOW;
self.rainbow = false;
}
'$' => {
self.colour = COLOR_BLUE;
self.rainbow = false;
}
'%' => {
self.colour = COLOR_MAGENTA;
self.rainbow = false;
}
'r' => {
self.rainbow = true;
}
'^' => {
self.colour = COLOR_CYAN;
self.rainbow = false;
}
'&' => {
self.colour = COLOR_WHITE;
self.rainbow = false;
}
'p' | 'P' => self.pause = !self.pause,
'1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | '0' => {
self.update = keypress as usize - 48
}
_ => {}
}
}
}