diff options
Diffstat (limited to 'atuin/src/ratatui/backend/termion.rs')
| -rw-r--r-- | atuin/src/ratatui/backend/termion.rs | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/atuin/src/ratatui/backend/termion.rs b/atuin/src/ratatui/backend/termion.rs deleted file mode 100644 index 76def792..00000000 --- a/atuin/src/ratatui/backend/termion.rs +++ /dev/null @@ -1,275 +0,0 @@ -use crate::{ - backend::{Backend, ClearType}, - buffer::Cell, - layout::Rect, - style::{Color, Modifier}, -}; -use std::{ - fmt, - io::{self, Write}, -}; - -pub struct TermionBackend<W> -where - W: Write, -{ - stdout: W, -} - -impl<W> TermionBackend<W> -where - W: Write, -{ - pub fn new(stdout: W) -> TermionBackend<W> { - TermionBackend { stdout } - } -} - -impl<W> Write for TermionBackend<W> -where - W: Write, -{ - fn write(&mut self, buf: &[u8]) -> io::Result<usize> { - self.stdout.write(buf) - } - - fn flush(&mut self) -> io::Result<()> { - self.stdout.flush() - } -} - -impl<W> Backend for TermionBackend<W> -where - W: Write, -{ - fn clear(&mut self) -> io::Result<()> { - self.clear_region(ClearType::All) - } - - fn clear_region(&mut self, clear_type: ClearType) -> io::Result<()> { - match clear_type { - ClearType::All => write!(self.stdout, "{}", termion::clear::All)?, - ClearType::AfterCursor => write!(self.stdout, "{}", termion::clear::AfterCursor)?, - ClearType::BeforeCursor => write!(self.stdout, "{}", termion::clear::BeforeCursor)?, - ClearType::CurrentLine => write!(self.stdout, "{}", termion::clear::CurrentLine)?, - ClearType::UntilNewLine => write!(self.stdout, "{}", termion::clear::UntilNewline)?, - }; - self.stdout.flush() - } - - fn append_lines(&mut self, n: u16) -> io::Result<()> { - for _ in 0..n { - writeln!(self.stdout)?; - } - self.stdout.flush() - } - - /// Hides cursor - fn hide_cursor(&mut self) -> io::Result<()> { - write!(self.stdout, "{}", termion::cursor::Hide)?; - self.stdout.flush() - } - - /// Shows cursor - fn show_cursor(&mut self) -> io::Result<()> { - write!(self.stdout, "{}", termion::cursor::Show)?; - self.stdout.flush() - } - - /// Gets cursor position (0-based index) - fn get_cursor(&mut self) -> io::Result<(u16, u16)> { - termion::cursor::DetectCursorPos::cursor_pos(&mut self.stdout).map(|(x, y)| (x - 1, y - 1)) - } - - /// Sets cursor position (0-based index) - fn set_cursor(&mut self, x: u16, y: u16) -> io::Result<()> { - write!(self.stdout, "{}", termion::cursor::Goto(x + 1, y + 1))?; - self.stdout.flush() - } - - fn draw<'a, I>(&mut self, content: I) -> io::Result<()> - where - I: Iterator<Item = (u16, u16, &'a Cell)>, - { - use std::fmt::Write; - - let mut string = String::with_capacity(content.size_hint().0 * 3); - let mut fg = Color::Reset; - let mut bg = Color::Reset; - let mut modifier = Modifier::empty(); - let mut last_pos: Option<(u16, u16)> = None; - for (x, y, cell) in content { - // Move the cursor if the previous location was not (x - 1, y) - if !matches!(last_pos, Some(p) if x == p.0 + 1 && y == p.1) { - write!(string, "{}", termion::cursor::Goto(x + 1, y + 1)).unwrap(); - } - last_pos = Some((x, y)); - if cell.modifier != modifier { - write!( - string, - "{}", - ModifierDiff { - from: modifier, - to: cell.modifier - } - ) - .unwrap(); - modifier = cell.modifier; - } - if cell.fg != fg { - write!(string, "{}", Fg(cell.fg)).unwrap(); - fg = cell.fg; - } - if cell.bg != bg { - write!(string, "{}", Bg(cell.bg)).unwrap(); - bg = cell.bg; - } - string.push_str(&cell.symbol); - } - write!( - self.stdout, - "{}{}{}{}", - string, - Fg(Color::Reset), - Bg(Color::Reset), - termion::style::Reset, - ) - } - - /// Return the size of the terminal - fn size(&self) -> io::Result<Rect> { - let terminal = termion::terminal_size()?; - Ok(Rect::new(0, 0, terminal.0, terminal.1)) - } - - fn flush(&mut self) -> io::Result<()> { - self.stdout.flush() - } -} - -struct Fg(Color); - -struct Bg(Color); - -struct ModifierDiff { - from: Modifier, - to: Modifier, -} - -impl fmt::Display for Fg { - fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - use termion::color::Color as TermionColor; - match self.0 { - Color::Reset => termion::color::Reset.write_fg(f), - Color::Black => termion::color::Black.write_fg(f), - Color::Red => termion::color::Red.write_fg(f), - Color::Green => termion::color::Green.write_fg(f), - Color::Yellow => termion::color::Yellow.write_fg(f), - Color::Blue => termion::color::Blue.write_fg(f), - Color::Magenta => termion::color::Magenta.write_fg(f), - Color::Cyan => termion::color::Cyan.write_fg(f), - Color::Gray => termion::color::White.write_fg(f), - Color::DarkGray => termion::color::LightBlack.write_fg(f), - Color::LightRed => termion::color::LightRed.write_fg(f), - Color::LightGreen => termion::color::LightGreen.write_fg(f), - Color::LightBlue => termion::color::LightBlue.write_fg(f), - Color::LightYellow => termion::color::LightYellow.write_fg(f), - Color::LightMagenta => termion::color::LightMagenta.write_fg(f), - Color::LightCyan => termion::color::LightCyan.write_fg(f), - Color::White => termion::color::LightWhite.write_fg(f), - Color::Indexed(i) => termion::color::AnsiValue(i).write_fg(f), - Color::Rgb(r, g, b) => termion::color::Rgb(r, g, b).write_fg(f), - } - } -} -impl fmt::Display for Bg { - fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - use termion::color::Color as TermionColor; - match self.0 { - Color::Reset => termion::color::Reset.write_bg(f), - Color::Black => termion::color::Black.write_bg(f), - Color::Red => termion::color::Red.write_bg(f), - Color::Green => termion::color::Green.write_bg(f), - Color::Yellow => termion::color::Yellow.write_bg(f), - Color::Blue => termion::color::Blue.write_bg(f), - Color::Magenta => termion::color::Magenta.write_bg(f), - Color::Cyan => termion::color::Cyan.write_bg(f), - Color::Gray => termion::color::White.write_bg(f), - Color::DarkGray => termion::color::LightBlack.write_bg(f), - Color::LightRed => termion::color::LightRed.write_bg(f), - Color::LightGreen => termion::color::LightGreen.write_bg(f), - Color::LightBlue => termion::color::LightBlue.write_bg(f), - Color::LightYellow => termion::color::LightYellow.write_bg(f), - Color::LightMagenta => termion::color::LightMagenta.write_bg(f), - Color::LightCyan => termion::color::LightCyan.write_bg(f), - Color::White => termion::color::LightWhite.write_bg(f), - Color::Indexed(i) => termion::color::AnsiValue(i).write_bg(f), - Color::Rgb(r, g, b) => termion::color::Rgb(r, g, b).write_bg(f), - } - } -} - -impl fmt::Display for ModifierDiff { - fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - let remove = self.from - self.to; - if remove.contains(Modifier::REVERSED) { - write!(f, "{}", termion::style::NoInvert)?; - } - if remove.contains(Modifier::BOLD) { - // XXX: the termion NoBold flag actually enables double-underline on ECMA-48 compliant - // terminals, and NoFaint additionally disables bold... so we use this trick to get - // the right semantics. - write!(f, "{}", termion::style::NoFaint)?; - - if self.to.contains(Modifier::DIM) { - write!(f, "{}", termion::style::Faint)?; - } - } - if remove.contains(Modifier::ITALIC) { - write!(f, "{}", termion::style::NoItalic)?; - } - if remove.contains(Modifier::UNDERLINED) { - write!(f, "{}", termion::style::NoUnderline)?; - } - if remove.contains(Modifier::DIM) { - write!(f, "{}", termion::style::NoFaint)?; - - // XXX: the NoFaint flag additionally disables bold as well, so we need to re-enable it - // here if we want it. - if self.to.contains(Modifier::BOLD) { - write!(f, "{}", termion::style::Bold)?; - } - } - if remove.contains(Modifier::CROSSED_OUT) { - write!(f, "{}", termion::style::NoCrossedOut)?; - } - if remove.contains(Modifier::SLOW_BLINK) || remove.contains(Modifier::RAPID_BLINK) { - write!(f, "{}", termion::style::NoBlink)?; - } - - let add = self.to - self.from; - if add.contains(Modifier::REVERSED) { - write!(f, "{}", termion::style::Invert)?; - } - if add.contains(Modifier::BOLD) { - write!(f, "{}", termion::style::Bold)?; - } - if add.contains(Modifier::ITALIC) { - write!(f, "{}", termion::style::Italic)?; - } - if add.contains(Modifier::UNDERLINED) { - write!(f, "{}", termion::style::Underline)?; - } - if add.contains(Modifier::DIM) { - write!(f, "{}", termion::style::Faint)?; - } - if add.contains(Modifier::CROSSED_OUT) { - write!(f, "{}", termion::style::CrossedOut)?; - } - if add.contains(Modifier::SLOW_BLINK) || add.contains(Modifier::RAPID_BLINK) { - write!(f, "{}", termion::style::Blink)?; - } - - Ok(()) - } -} |