97 lines
2.3 KiB
Rust
97 lines
2.3 KiB
Rust
use tui::{
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buffer::Buffer,
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layout::Rect,
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style::{Color, Modifier},
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widgets::Widget,
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};
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use crate::{
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style::{convert, RinkColor, RinkStyle},
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Config,
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};
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pub struct RinkBuffer<'a> {
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buf: &'a mut Buffer,
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cfg: Config,
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}
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impl<'a> RinkBuffer<'a> {
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fn new(buf: &'a mut Buffer, cfg: Config) -> RinkBuffer<'a> {
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Self { buf, cfg }
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}
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pub fn set(&mut self, x: u16, y: u16, new: &RinkCell) {
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let mut cell = self.buf.get_mut(x, y);
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cell.bg = convert(self.cfg.rendering_mode, new.bg.blend(cell.bg));
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if new.symbol.is_empty() {
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if !cell.symbol.is_empty() {
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// allows text to "shine through" transparent backgrounds
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cell.fg = convert(self.cfg.rendering_mode, new.bg.blend(cell.fg));
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}
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} else {
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cell.modifier = new.modifier;
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cell.symbol = new.symbol.clone();
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cell.fg = convert(self.cfg.rendering_mode, new.fg.blend(cell.bg));
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}
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}
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}
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pub trait RinkWidget {
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fn render(self, area: Rect, buf: RinkBuffer);
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}
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pub struct WidgetWithContext<T: RinkWidget> {
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widget: T,
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config: Config,
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}
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impl<T: RinkWidget> WidgetWithContext<T> {
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pub fn new(widget: T, config: Config) -> WidgetWithContext<T> {
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WidgetWithContext { widget, config }
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}
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}
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impl<T: RinkWidget> Widget for WidgetWithContext<T> {
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fn render(self, area: Rect, buf: &mut Buffer) {
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self.widget.render(area, RinkBuffer::new(buf, self.config))
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}
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}
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#[derive(Clone)]
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pub struct RinkCell {
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pub symbol: String,
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pub bg: RinkColor,
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pub fg: RinkColor,
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pub modifier: Modifier,
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}
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impl Default for RinkCell {
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fn default() -> Self {
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Self {
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symbol: "".to_string(),
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fg: RinkColor {
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color: Color::Rgb(0, 0, 0),
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alpha: 0.0,
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},
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bg: RinkColor {
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color: Color::Rgb(0, 0, 0),
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alpha: 0.0,
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},
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modifier: Modifier::empty(),
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}
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}
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}
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impl RinkCell {
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pub fn set_style(&mut self, style: RinkStyle) {
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if let Some(c) = style.fg {
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self.fg = c;
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}
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if let Some(c) = style.bg {
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self.bg = c;
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}
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self.modifier = style.add_modifier;
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self.modifier.remove(style.sub_modifier);
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}
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}
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