tek/src/layout/mod.rs

mod focus;     pub use self::focus::*;
mod container; pub use self::container::*;
mod scroll;    pub use self::scroll::*;
mod table;     pub use self::table::*;
mod lozenge;   pub use self::lozenge::*;

use crate::core::*;

pub trait MaxHeight: Device {
    fn max_height (&self) -> u16 {
        u16::MAX
    }
}

impl<T: Device> MaxHeight for T {}

pub fn draw_box (buffer: &mut Buffer, area: Rect) -> Rect {
    draw_box_styled(buffer, area, Some(Style::default().gray().dim()))
}

pub fn draw_box_styled (buffer: &mut Buffer, area: Rect, style: Option<Style>) -> Rect {
    if area.width < 1 || area.height < 1 {
        return area
    }
    format!("╭{}╮", "─".repeat((area.width - 2).into()))
        .blit(buffer, area.x, area.y, style);
    for y in (area.y + 1)..(area.y + area.height - 1) {
        "│".blit(buffer, area.x, y, style);
        "│".blit(buffer, area.x + area.width - 1, y, style);
    }
    format!("╰{}╯", "─".repeat((area.width - 2).into()))
        .blit(buffer, area.x, area.y + area.height - 1, style);
    area
}

pub fn draw_box_styled_dotted (buffer: &mut Buffer, area: Rect, style: Option<Style>) -> Rect {
    if area.width < 1 || area.height < 1 {
        return area
    }
    format!("╭{}╮", "┅".repeat((area.width - 2).into()))
        .blit(buffer, area.x, area.y, style);
    for y in (area.y + 1)..(area.y + area.height - 1) {
        "┇".blit(buffer, area.x, y, style);
        "┇".blit(buffer, area.x + area.width - 1, y, style);
    }
    format!("╰{}╯", "┅".repeat((area.width - 2).into()))
        .blit(buffer, area.x, area.y + area.height - 1, style);
    area
}