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|
//! Mapping of inputs to sequences of actions.
use super::actions::{Action, Direction};
use super::handler::InputMode;
use std::collections::HashMap;
use strum::IntoEnumIterator;
use termion::event::Key;
type Keybinds = HashMap<InputMode, ModeKeybinds>;
type ModeKeybinds = HashMap<Key, Vec<Action>>;
/// Populates the default hashmap of keybinds.
/// @@@khs26 What about an input config file?
pub fn get_default_keybinds() -> Result<Keybinds, String> {
let mut defaults = Keybinds::new();
for mode in InputMode::iter() {
defaults.insert(mode, get_defaults_for_mode(&mode)?);
}
Ok(defaults)
}
/// Returns the default keybinds for a givent [`InputMode`].
fn get_defaults_for_mode(mode: &InputMode) -> Result<ModeKeybinds, String> {
let mut defaults = ModeKeybinds::new();
match *mode {
InputMode::Normal => {
defaults.insert(
Key::Ctrl('g'),
vec![Action::SwitchToMode(InputMode::Locked)],
);
defaults.insert(Key::Ctrl('p'), vec![Action::SwitchToMode(InputMode::Pane)]);
defaults.insert(
Key::Ctrl('r'),
vec![Action::SwitchToMode(InputMode::Resize)],
);
defaults.insert(Key::Ctrl('t'), vec![Action::SwitchToMode(InputMode::Tab)]);
defaults.insert(
Key::Ctrl('s'),
vec![Action::SwitchToMode(InputMode::Scroll)],
);
defaults.insert(Key::Ctrl('q'), vec![Action::Quit]);
}
InputMode::Locked => {
defaults.insert(
Key::Ctrl('g'),
vec![Action::SwitchToMode(InputMode::Normal)],
);
}
InputMode::Resize => {
defaults.insert(
Key::Ctrl('g'),
vec![Action::SwitchToMode(InputMode::Locked)],
);
defaults.insert(Key::Ctrl('p'), vec![Action::SwitchToMode(InputMode::Pane)]);
defaults.insert(
Key::Ctrl('r'),
vec![Action::SwitchToMode(InputMode::Normal)],
);
defaults.insert(Key::Ctrl('t'), vec![Action::SwitchToMode(InputMode::Tab)]);
defaults.insert(
Key::Ctrl('s'),
vec![Action::SwitchToMode(InputMode::Scroll)],
);
defaults.insert(Key::Ctrl('q'), vec![Action::Quit]);
defaults.insert(Key::Esc, vec![Action::SwitchToMode(InputMode::Normal)]);
defaults.insert(
Key::Char('\n'),
vec![Action::SwitchToMode(InputMode::Normal)],
);
defaults.insert(
Key::Char(' '),
vec![Action::SwitchToMode(InputMode::Normal)],
);
defaults.insert(Key::Char('h'), vec![Action::Resize(Direction::Left)]);
defaults.insert(Key::Char('j'), vec![Action::Resize(Direction::Down)]);
defaults.insert(Key::Char('k'), vec![Action::Resize(Direction::Up)]);
defaults.insert(Key::Char('l'), vec![Action::Resize(Direction::Right)]);
defaults.insert(Key::Left, vec![Action::Resize(Direction::Left)]);
defaults.insert(Key::Down, vec![Action::Resize(Direction::Down)]);
defaults.insert(Key::Up, vec![Action::Resize(Direction::Up)]);
defaults.insert(Key::Right, vec![Action::Resize(Direction::Right)]);
}
InputMode::Pane => {
defaults.insert(
Key::Ctrl('g'),
vec![Action::SwitchToMode(InputMode::Locked)],
);
defaults.insert(
Key::Ctrl('p'),
vec![Action::SwitchToMode(InputMode::Normal)],
);
defaults.insert(
Key::Ctrl('r'),
vec![Action::SwitchToMode(InputMode::Resize)],
);
defaults.insert(Key::Ctrl('t'), vec![Action::SwitchToMode(InputMode::Tab)]);
defaults.insert(
Key::Ctrl('s'),
vec![Action::SwitchToMode(InputMode::Scroll)],
);
defaults.insert(Key::Ctrl('q'), vec![Action::Quit]);
defaults.insert(Key::Esc, vec![Action::SwitchToMode(InputMode::Normal)]);
defaults.insert(
Key::Char('\n'),
vec![Action::SwitchToMode(InputMode::Normal)],
);
defaults.insert(
Key::Char(' '),
vec![Action::SwitchToMode(InputMode::Normal)],
);
defaults.insert(Key::Char('h'), vec![Action::MoveFocus(Direction::Left)]);
defaults.insert(Key::Char('j'), vec![Action::MoveFocus(Direction::Down)]);
defaults.insert(Key::Char('k'), vec![Action::MoveFocus(Direction::Up)]);
defaults.insert(Key::Char('l'), vec![Action::MoveFocus(Direction::Right)]);
defaults.insert(Key::Left, vec![Action::MoveFocus(Direction::Left)]);
defaults.insert(Key::Down, vec![Action::MoveFocus(Direction::Down)]);
defaults.insert(Key::Up, vec![Action::MoveFocus(Direction::Up)]);
defaults.insert(Key::Right, vec![Action::MoveFocus(Direction::Right)]);
defaults.insert(Key::Char('p'), vec![Action::SwitchFocus(Direction::Right)]);
defaults.insert(Key::Char('n'), vec![Action::NewPane(None)]);
defaults.insert(Key::Char('d'), vec![Action::NewPane(Some(Direction::Down))]);
defaults.insert(
Key::Char('r'),
vec![Action::NewPane(Some(Direction::Right))],
);
defaults.insert(Key::Char('x'), vec![Action::CloseFocus]);
defaults.insert(Key::Char('f'), vec![Action::ToggleFocusFullscreen]);
}
InputMode::Tab => {
defaults.insert(
Key::Ctrl('g'),
vec![Action::SwitchToMode(InputMode::Locked)],
);
defaults.insert(Key::Ctrl('p'), vec![Action::SwitchToMode(InputMode::Pane)]);
defaults.insert(
Key::Ctrl('r'),
vec![Action::SwitchToMode(InputMode::Resize)],
);
defaults.insert(
Key::Ctrl('t'),
vec![Action::SwitchToMode(InputMode::Normal)],
);
defaults.insert(
Key::Ctrl('s'),
vec![Action::SwitchToMode(InputMode::Scroll)],
);
defaults.insert(Key::Ctrl('q'), vec![Action::Quit]);
defaults.insert(Key::Esc, vec![Action::SwitchToMode(InputMode::Normal)]);
defaults.insert(
Key::Char('\n'),
vec![Action::SwitchToMode(InputMode::Normal)],
);
defaults.insert(
Key::Char(' '),
vec![Action::SwitchToMode(InputMode::Normal)],
);
defaults.insert(Key::Char('h'), vec![Action::GoToPreviousTab]);
defaults.insert(Key::Char('j'), vec![Action::GoToNextTab]);
defaults.insert(Key::Char('k'), vec![Action::GoToPreviousTab]);
defaults.insert(Key::Char('l'), vec![Action::GoToNextTab]);
defaults.insert(Key::Left, vec![Action::GoToPreviousTab]);
defaults.insert(Key::Down, vec![Action::GoToNextTab]);
defaults.insert(Key::Up, vec![Action::GoToPreviousTab]);
defaults.insert(Key::Right, vec![Action::GoToNextTab]);
defaults.insert(Key::Char('n'), vec![Action::NewTab]);
defaults.insert(Key::Char('x'), vec![Action::CloseTab]);
defaults.insert(
Key::Char('r'),
vec![
Action::SwitchToMode(InputMode::RenameTab),
Action::TabNameInput(vec![0]),
],
);
defaults.insert(Key::Char('q'), vec![Action::Quit]);
defaults.insert(
Key::Ctrl('g'),
vec![Action::SwitchToMode(InputMode::Normal)],
);
for i in '1'..='9' {
defaults.insert(Key::Char(i), vec![Action::GoToTab(i.to_digit(10).unwrap())]);
}
}
InputMode::Scroll => {
defaults.insert(
Key::Ctrl('g'),
vec![Action::SwitchToMode(InputMode::Locked)],
);
defaults.insert(Key::Ctrl('p'), vec![Action::SwitchToMode(InputMode::Pane)]);
defaults.insert(
Key::Ctrl('r'),
vec![Action::SwitchToMode(InputMode::Resize)],
);
defaults.insert(Key::Ctrl('t'), vec![Action::SwitchToMode(InputMode::Tab)]);
defaults.insert(
Key::Ctrl('s'),
vec![Action::SwitchToMode(InputMode::Normal)],
);
defaults.insert(Key::Ctrl('q'), vec![Action::Quit]);
defaults.insert(Key::Esc, vec![Action::SwitchToMode(InputMode::Normal)]);
defaults.insert(
Key::Char('\n'),
vec![Action::SwitchToMode(InputMode::Normal)],
);
defaults.insert(
Key::Char(' '),
vec![Action::SwitchToMode(InputMode::Normal)],
);
defaults.insert(Key::Char('j'), vec![Action::ScrollDown]);
defaults.insert(Key::Char('k'), vec![Action::ScrollUp]);
defaults.insert(Key::Down, vec![Action::ScrollDown]);
defaults.insert(Key::Up, vec![Action::ScrollUp]);
}
InputMode::RenameTab => {
defaults.insert(
Key::Char('\n'),
vec![Action::SaveTabName, Action::SwitchToMode(InputMode::Tab)],
);
defaults.insert(
Key::Ctrl('g'),
vec![Action::SwitchToMode(InputMode::Normal)],
);
defaults.insert(
Key::Esc,
vec![
Action::TabNameInput(vec![0x1b]),
Action::SwitchToMode(InputMode::Tab),
],
);
}
}
Ok(defaults)
}
/// Converts a [`Key`] terminal event to a sequence of [`Action`]s according to the current
/// [`InputMode`] and [`Keybinds`].
pub fn key_to_actions(
key: &Key,
input: Vec<u8>,
mode: &InputMode,
keybinds: &Keybinds,
) -> Vec<Action> {
let mode_keybind_or_action = |action: Action| {
keybinds
.get(mode)
.unwrap_or_else(|| unreachable!("Unrecognized mode: {:?}", mode))
.get(key)
.cloned()
.unwrap_or_else(|| vec![action])
};
match *mode {
InputMode::Normal | InputMode::Locked => mode_keybind_or_action(Action::Write(input)),
InputMode::RenameTab => mode_keybind_or_action(Action::TabNameInput(input)),
_ => mode_keybind_or_action(Action::NoOp),
}
}
|
