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use mlua::{FromLua, IntoLua, Value};
use ratatui::crossterm::cursor::SetCursorStyle;
#[derive(Default, Debug, Clone, Copy)]
pub enum CursorShape {
#[default]
Block,
Bar,
Underscore,
}
impl<'lua> FromLua<'lua> for CursorShape {
fn from_lua(
value: mlua::prelude::LuaValue<'lua>,
_lua: &'lua mlua::prelude::Lua,
) -> mlua::prelude::LuaResult<Self> {
if let Value::String(s) = value {
match s.to_str().unwrap().to_lowercase().as_ref() {
"block" => return Ok(CursorShape::Block),
"bar" => return Ok(CursorShape::Bar),
"underscore" => return Ok(CursorShape::Underscore),
_ => {}
}
}
Err(mlua::Error::runtime("failed to parse cursorshape"))
}
}
impl<'lua> IntoLua<'lua> for CursorShape {
fn into_lua(self, lua: &'lua mlua::prelude::Lua) -> mlua::prelude::LuaResult<Value<'lua>> {
match self {
CursorShape::Block => "block",
CursorShape::Bar => "bar",
CursorShape::Underscore => "underscore",
}.into_lua(lua)
}
}
impl Into<SetCursorStyle> for CursorShape {
fn into(self) -> SetCursorStyle {
match self {
CursorShape::Block => SetCursorStyle::SteadyBlock,
CursorShape::Bar => SetCursorStyle::SteadyBar,
CursorShape::Underscore => SetCursorStyle::SteadyUnderScore,
}
}
}
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