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use serde_derive::Deserialize;
use std::collections::{hash_map::Entry, HashMap};
use std::process::exit;
use super::{parse_config_file, parse_to_config_file, ConfigStructure, Flattenable};
use crate::commands::{self, CommandKeybind, JoshutoCommand};
use crate::KEYMAP_FILE;
pub const BACKSPACE: i32 = 0x7F;
pub const TAB: i32 = 0x9;
pub const ENTER: i32 = 0xA;
pub const ESCAPE: i32 = 0x1B;
/* #define KEY_ALT(x) KEY_F(60) + (x - 'A') */
const fn default_up() -> i32 {
ncurses::KEY_UP
}
const fn default_down() -> i32 {
ncurses::KEY_DOWN
}
const fn default_left() -> i32 {
ncurses::KEY_LEFT
}
const fn default_right() -> i32 {
ncurses::KEY_RIGHT
}
const fn default_home() -> i32 {
ncurses::KEY_HOME
}
const fn default_end() -> i32 {
ncurses::KEY_END
}
const fn default_backspace() -> i32 {
BACKSPACE
}
const fn default_delete() -> i32 {
ncurses::KEY_DC
}
const fn default_enter() -> i32 {
ENTER
}
const fn default_escape() -> i32 {
ESCAPE
}
const fn default_tab() -> i32 {
TAB
}
#[derive(Debug, Deserialize)]
struct JoshutoRawKeymapping {
#[serde(default)]
keymaps: JoshutoKeyMapping,
#[serde(skip)]
mapcommand: Vec<JoshutoMapCommand>,
}
#[derive(Debug, Deserialize)]
pub struct JoshutoKeyMapping {
#[serde(default = "default_up")]
pub up: i32,
#[serde(default = "default_down")]
pub down: i32,
#[serde(default = "default_left")]
pub left: i32,
#[serde(default = "default_right")]
pub right: i32,
#[serde(default = "default_home")]
pub home: i32,
#[serde(default = "default_end")]
pub end: i32,
/*
#[serde(default = "default_up")]
pub page_up: i32,
#[serde(default = "default_up")]
pub page_down: i32,
*/
#[serde(default = "default_backspace")]
pub backspace: i32,
#[serde(default = "default_delete")]
pub delete: i32,
#[serde(default = "default_enter")]
pub enter: i32,
#[serde(default = "default_escape")]
pub escape: i32,
#[serde(default = "default_tab")]
pub tab: i32,
}
impl std::default::Default for JoshutoKeyMapping {
fn default() -> Self {
JoshutoKeyMapping {
up: default_up(),
down: default_down(),
left: default_left(),
right: default_right(),
home: default_home(),
end: default_end(),
backspace: default_backspace(),
delete: default_delete(),
enter: default_enter(),
escape: default_escape(),
tab: default_tab(),
}
}
}
impl Flattenable<JoshutoKeyMapping> for JoshutoRawKeymapping {
fn flatten(self) -> JoshutoKeyMapping {
self.keymaps
}
}
impl ConfigStructure for JoshutoKeyMapping {
fn get_config() -> Self {
parse_to_config_file::<JoshutoRawKeymapping, JoshutoKeyMapping>(KEYMAP_FILE)
.unwrap_or_else(JoshutoKeyMapping::default)
}
}
#[derive(Debug, Deserialize)]
struct JoshutoMapCommand {
pub keys: Vec<i32>,
pub command: String,
#[serde(default)]
pub args: Vec<String>,
}
#[derive(Debug, Deserialize)]
struct JoshutoRawCommandMapping {
#[serde(skip)]
keymaps: JoshutoKeyMapping,
#[serde(default)]
mapcommand: Vec<JoshutoMapCommand>,
}
impl Flattenable<JoshutoCommandMapping> for JoshutoRawCommandMapping {
fn flatten(self) -> JoshutoCommandMapping {
let mut keymaps = JoshutoCommandMapping::new();
self.mapcommand.iter().for_each(|m| {
let args: Vec<&str> = m.args.iter().map(|s| s.as_str()).collect();
match commands::from_args(m.command.as_str(), &args) {
Ok(command) => insert_keycommand(&mut keymaps, command, &m.keys[..]),
Err(e) => eprintln!("{}", e),
}
});
keymaps
}
}
pub type JoshutoCommandMapping = HashMap<i32, CommandKeybind>;
impl ConfigStructure for JoshutoCommandMapping {
fn get_config() -> Self {
parse_to_config_file::<JoshutoRawCommandMapping, JoshutoCommandMapping>(KEYMAP_FILE)
.unwrap_or_else(JoshutoCommandMapping::default)
}
}
fn insert_keycommand(
map: &mut JoshutoCommandMapping,
keycommand: Box<JoshutoCommand>,
keys: &[i32],
) {
match keys.len() {
0 => {}
1 => match map.entry(keys[0]) {
Entry::Occupied(_) => {
eprintln!("Error: Keybindings ambiguous");
exit(1);
}
Entry::Vacant(entry) => {
entry.insert(CommandKeybind::SimpleKeybind(keycommand));
}
},
_ => match map.entry(keys[0]) {
Entry::Occupied(mut entry) => match entry.get_mut() {
CommandKeybind::CompositeKeybind(ref mut m) => {
insert_keycommand(m, keycommand, &keys[1..])
}
_ => {
eprintln!("Error: Keybindings ambiguous");
exit(1);
}
},
Entry::Vacant(entry) => {
let mut new_map = JoshutoCommandMapping::new();
insert_keycommand(&mut new_map, keycommand, &keys[1..]);
let composite_command = CommandKeybind::CompositeKeybind(new_map);
entry.insert(composite_command);
}
},
}
}
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