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use std::io;
use crate::{buffer::Cell, terminal::Config};
use helix_view::graphics::{CursorKind, Rect};
#[cfg(feature = "crossterm")]
mod crossterm;
#[cfg(feature = "crossterm")]
pub use self::crossterm::CrosstermBackend;
mod test;
pub use self::test::TestBackend;
pub trait Backend {
fn claim(&mut self, config: Config) -> Result<(), io::Error>;
fn restore(&mut self, config: Config) -> Result<(), io::Error>;
fn force_restore() -> Result<(), io::Error>;
fn draw<'a, I>(&mut self, content: I) -> Result<(), io::Error>
where
I: Iterator<Item = (u16, u16, &'a Cell)>;
fn hide_cursor(&mut self) -> Result<(), io::Error>;
fn show_cursor(&mut self, kind: CursorKind) -> Result<(), io::Error>;
fn get_cursor(&mut self) -> Result<(u16, u16), io::Error>;
fn set_cursor(&mut self, x: u16, y: u16) -> Result<(), io::Error>;
fn clear(&mut self) -> Result<(), io::Error>;
fn size(&self) -> Result<Rect, io::Error>;
fn flush(&mut self) -> Result<(), io::Error>;
}
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