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|
use std::convert::From;
use cursive::event::Event as CursiveEvent;
use serde::ser;
use serde::{self, Deserialize, Serialize, Serializer};
#[derive(Debug, PartialEq)]
struct Event(CursiveEvent);
macro_rules! event {
($thing:expr) => {
Event { 0: $thing };
};
}
impl<T> From<T> for Event
where
T: AsRef<str>,
{
fn from(key: T) -> Self {
let key = key.as_ref();
if key.len() == 1 {
// single key
return event!(CursiveEvent::Char(key.chars().nth(0).unwrap()));
} else if (key.starts_with("c-") || key.starts_with("C-")) && key.len() == 3 {
// ctrl-key
return event!(CursiveEvent::CtrlChar(key.chars().nth(2).unwrap()));
} else {
panic!(
r"Invalid keybind in configuration!
(I intend to handle this error gracefully in the near future)"
);
}
}
}
enum Bind {
Char(char),
CtrlChar(char),
AltChar(char),
}
impl Serialize for Bind {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
match self {
Bind::Char(c) => serializer.serialize_newtype_variant("bind", 0, "regular", &c),
Bind::CtrlChar(c) => serializer.serialize_newtype_variant("bind", 0, "ctrl", &c),
Bind::AltChar(c) => serializer.serialize_newtype_variant("bind", 0, "alt", &c),
}
}
}
impl Deserialize for Bind {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
eprintln!("hell = {:#?}", hell);
}
}
impl From<Bind> for CursiveEvent {
fn from(key: Bind) -> Self {
match key {
Bind::Char(c) => CursiveEvent::Char(c),
Bind::CtrlChar(c) => CursiveEvent::Char(c),
Bind::AltChar(c) => CursiveEvent::AltChar(c),
}
}
}
#[derive(Serialize, Deserialize)]
pub struct KeyBinds {
grid: Movement,
cursor: Movement,
week_mode: Bind,
global_week_mode: Bind,
}
#[derive(Serialize, Deserialize)]
pub struct Movement {
up: Bind,
down: Bind,
left: Bind,
right: Bind,
}
impl Movement {
pub fn new(left: char, down: char, up: char, right: char) -> Self {
return Movement {
up: Bind::Char(up),
down: Bind::Char(down),
left: Bind::Char(left),
right: Bind::Char(right),
};
}
}
impl std::default::Default for KeyBinds {
fn default() -> Self {
let grid = Movement::new('h', 'j', 'k', 'l');
let cursor = Movement::new('H', 'J', 'K', 'L');
return KeyBinds {
grid,
cursor,
week_mode: Bind::Char('v'),
global_week_mode: Bind::Char('V'),
};
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn normal_keybind() {
let bind = "X";
let expected = CursiveEvent::Char('X');
assert_eq!(Event::from(bind), event!(expected));
}
#[test]
fn control_keybind() {
let bind = "C-x";
let expected = CursiveEvent::CtrlChar('x');
assert_eq!(Event::from(bind), event!(expected));
}
#[test]
fn lower_case_control_keybind() {
let bind = "c-x";
let expected = CursiveEvent::CtrlChar('x');
assert_eq!(Event::from(bind), event!(expected));
}
#[test]
#[should_panic]
fn very_long_and_wrong_keybind() {
let bind = "alksdjfalkjdf";
Event::from(bind);
}
}
|
