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use std::fmt; use termion::{color, cursor}; use crate::model::stack::Orientation; use super::{geometry, Widget}; mod horizontal { use super::{fmt, geometry}; pub fn write_start(fmt: &mut fmt::Formatter<'_>) -> fmt::Result { write!(fmt, "╘") } pub fn write_middle(fmt: &mut fmt::Formatter<'_>) -> fmt::Result { write!(fmt, "═") } pub fn write_end(fmt: &mut fmt::Formatter<'_>) -> fmt::Result { write!(fmt, "╛") } pub fn write_next(_fmt: &mut fmt::Formatter<'_>) -> fmt::Result { Ok(()) } pub fn bounds(origin: geometry::Point2D<u16>, len: u16) -> geometry::Rect<u16> { geometry::Rect::new(origin, geometry::size2(len, 1)) } } mod vertical { use super::{cursor, fmt, geometry}; pub fn write_start(fmt: &mut fmt::Formatter<'_>) -> fmt::Result { write!(fmt, "╓╴") } pub fn write_middle(fmt: &mut fmt::Formatter<'_>) -> fmt::Result { write!(fmt, "║ ") } pub fn write_end(fmt: &mut fmt::Formatter<'_>) -> fmt::Result { write!(fmt, "╙╴") } pub fn write_next(fmt: &mut fmt::Formatter<'_>) -> fmt::Result { write!(fmt, "{}{}", cursor::Left(2), cursor::Down(1)) } pub fn bounds(origin: geometry::Point2D<u16>, len: u16) -> geometry::Rect<u16> { geometry::Rect::new(origin, geometry::size2(2, len)) } } #[derive(Debug)] pub struct SelectorWidget { pub origin: geometry::Point2D<u16>, pub len: u16, pub orientation: Orientation, } impl Widget for SelectorWidget { fn bounds(&self) -> geometry::Rect<u16> { match self.orientation { Orientation::Horizontal => horizontal::bounds(self.origin, self.len), Orientation::Vertical => vertical::bounds(self.origin, self.len), } } } impl fmt::Display for SelectorWidget { fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { let start = geometry::goto(self.origin); let color = color::Fg(color::LightWhite); write!(fmt, "{}{}", start, color)?; for i in 0..self.len { if i == 0 { self.write_start(fmt)?; } else if i == self.len - 1 { self.write_end(fmt)?; } else { self.write_middle(fmt)?; } self.write_next(fmt)?; } Ok(()) } } impl SelectorWidget { fn write_start(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { match self.orientation { Orientation::Horizontal => horizontal::write_start(fmt), Orientation::Vertical => vertical::write_start(fmt), } } fn write_middle(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { match self.orientation { Orientation::Horizontal => horizontal::write_middle(fmt), Orientation::Vertical => vertical::write_middle(fmt), } } fn write_end(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { match self.orientation { Orientation::Horizontal => horizontal::write_end(fmt), Orientation::Vertical => vertical::write_end(fmt), } } fn write_next(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { match self.orientation { Orientation::Horizontal => horizontal::write_next(fmt), Orientation::Vertical => vertical::write_next(fmt), } } }