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87 lines
2.4 KiB
Rust
87 lines
2.4 KiB
Rust
use bitflags::bitflags;
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use std::borrow::Cow;
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mod barchart;
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mod block;
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pub mod canvas;
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mod chart;
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mod gauge;
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mod list;
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mod paragraph;
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mod reflow;
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mod sparkline;
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mod table;
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mod tabs;
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pub use self::barchart::BarChart;
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pub use self::block::Block;
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pub use self::chart::{Axis, Chart, Dataset, Marker};
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pub use self::gauge::Gauge;
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pub use self::list::{List, SelectableList};
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pub use self::paragraph::Paragraph;
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pub use self::sparkline::Sparkline;
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pub use self::table::{Row, Table};
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pub use self::tabs::Tabs;
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use crate::backend::Backend;
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use crate::buffer::Buffer;
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use crate::layout::Rect;
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use crate::style::{Color, Style};
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use crate::terminal::Frame;
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/// Bitflags that can be composed to set the visible borders essentially on the block widget.
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bitflags! {
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pub struct Borders: u32 {
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/// Show no border (default)
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const NONE = 0b0000_0001;
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/// Show the top border
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const TOP = 0b0000_0010;
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/// Show the right border
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const RIGHT = 0b0000_0100;
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/// Show the bottom border
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const BOTTOM = 0b000_1000;
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/// Show the left border
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const LEFT = 0b0001_0000;
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/// Show all borders
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const ALL = Self::TOP.bits | Self::RIGHT.bits | Self::BOTTOM.bits | Self::LEFT.bits;
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}
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}
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pub enum Text<'b> {
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Raw(Cow<'b, str>),
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Styled(Cow<'b, str>, Style),
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}
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impl<'b> Text<'b> {
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pub fn raw<D: Into<Cow<'b, str>>>(data: D) -> Text<'b> {
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Text::Raw(data.into())
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}
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pub fn styled<D: Into<Cow<'b, str>>>(data: D, style: Style) -> Text<'b> {
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Text::Styled(data.into(), style)
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}
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}
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/// Base requirements for a Widget
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pub trait Widget {
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/// Draws the current state of the widget in the given buffer. That the only method required to
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/// implement a custom widget.
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fn draw(&mut self, area: Rect, buf: &mut Buffer);
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/// Helper method to quickly set the background of all cells inside the specified area.
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fn background(&self, area: &Rect, buf: &mut Buffer, color: Color) {
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for y in area.top()..area.bottom() {
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for x in area.left()..area.right() {
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buf.get_mut(x, y).set_bg(color);
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}
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}
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}
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/// Helper method that can be chained with a widget's builder methods to render it.
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fn render<B>(&mut self, f: &mut Frame<B>, area: Rect)
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where
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Self: Sized,
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B: Backend,
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{
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f.render(self, area);
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}
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}
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