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use termion::event::{Event, Key, MouseButton, MouseEvent};
pub fn str_to_event(s: &str) -> Option<Event> {
if let Some(k) = str_to_key(s) {
Some(Event::Key(k))
} else if let Some(m) = str_to_mouse(s) {
Some(Event::Mouse(m))
} else {
None
}
}
pub fn str_to_key(s: &str) -> Option<Key> {
if s.is_empty() {
return None;
}
let key = match s {
"backspace" => Some(Key::Backspace),
"backtab" => Some(Key::BackTab),
"left" => Some(Key::Left),
"right" => Some(Key::Right),
"up" => Some(Key::Up),
"down" => Some(Key::Down),
"home" => Some(Key::Home),
"end" => Some(Key::End),
"page_up" => Some(Key::PageUp),
"page_down" => Some(Key::PageDown),
"delete" => Some(Key::Delete),
"insert" => Some(Key::Insert),
"escape" => Some(Key::Esc),
"f1" => Some(Key::F(1)),
"f2" => Some(Key::F(2)),
"f3" => Some(Key::F(3)),
"f4" => Some(Key::F(4)),
"f5" => Some(Key::F(5)),
"f6" => Some(Key::F(6)),
"f7" => Some(Key::F(7)),
"f8" => Some(Key::F(8)),
"f9" => Some(Key::F(9)),
"f10" => Some(Key::F(10)),
"f11" => Some(Key::F(11)),
"f12" => Some(Key::F(12)),
_ => None,
};
if key.is_some() {
return key;
}
if s.starts_with("ctrl+") {
let ch = s.chars().nth("ctrl+".len());
let key = match ch {
Some(ch) => Some(Key::Ctrl(ch)),
None => None,
};
return key;
} else if s.starts_with("alt+") {
let ch = s.chars().nth("alt+".len());
let key = match ch {
Some(ch) => Some(Key::Alt(ch)),
None => None,
};
return key;
} else if s.len() == 1 {
let ch = s.chars().next();
let key = match ch {
Some(ch) => Some(Key::Char(ch)),
None => None,
};
return key;
}
None
}
pub fn str_to_mouse(s: &str) -> Option<MouseEvent> {
match s {
"scroll_up" => Some(MouseEvent::Press(MouseButton::WheelUp, 0, 0)),
"scroll_down" => Some(MouseEvent::Press(MouseButton::WheelDown, 0, 0)),
_ => None,
}
}
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