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wip: impl_draw, optional drawing

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facile pop culture reference 2026-07-06 05:35:48 +03:00
parent 0b9e9c0696
commit bf16288884
12 changed files with 213 additions and 229 deletions
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74
src/text.rs
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@ -3,63 +3,41 @@ pub(crate) use ::unicode_width::*;
#[cfg(feature = "term")] mod impl_term {
use super::*;
use crate::term::Tui;
use crate::*;
use ratatui::prelude::Position;
impl Draw<Tui> for &str {
fn draw (self, to: &mut Tui) -> Usually<XYWH<u16>> {
let XYWH(x, y, w, ..) = to.1.centered_xy([width_chars_max(to.w(), self), 1]);
to.text(&self, x, y, w)
}
}
impl_draw!(|self: String, to: Tui|{self.as_str().draw(to)});
impl_draw!(|self: std::sync::Arc<str>, to: Tui|{self.as_ref().draw(to)});
impl_draw!(|self: &std::sync::Arc<str>, to: Tui|{self.as_ref().draw(to)});
impl_draw!(|self: &str, to: Tui|{
let XYWH(x, y, w, ..) = to.1.centered_xy([width_chars_max(to.w(), self), 1]);
to.text(&self, x, y, w)
});
impl Draw<Tui> for String {
fn draw (self, to: &mut Tui) -> Usually<XYWH<u16>> {
self.as_str().draw(to)
}
}
impl Draw<Tui> for std::sync::Arc<str> {
fn draw (self, to: &mut Tui) -> Usually<XYWH<u16>> {
self.as_ref().draw(to)
}
}
impl Draw<Tui> for &std::sync::Arc<str> {
fn draw (self, to: &mut Tui) -> Usually<XYWH<u16>> {
self.as_ref().draw(to)
}
}
impl<T: AsRef<str>> Draw<Tui> for TrimString<T> {
fn draw (self, to: &mut Tui) -> Usually<XYWH<u16>> { self.as_ref().draw(to) }
}
impl<T: AsRef<str>> Draw<Tui> for TrimStringRef<'_, T> {
fn draw (self, to: &mut Tui) -> Usually<XYWH<u16>> {
let XYWH(x, y, w, ..) = to.1;
let mut width: u16 = 1;
let mut chars = self.1.as_ref().chars();
while let Some(c) = chars.next() {
if width > self.0 || width > w {
break
}
let pos = Position { x: x + width - 1, y };
if let Some(cell) = to.0.cell_mut(pos) {
cell.set_char(c);
}
width += c.width().unwrap_or(0) as u16;
impl_draw!(<T: AsRef<str>,>|self: TrimString<T>, to: Tui|{self.as_ref().draw(to)});
impl_draw!(<T: AsRef<str>,>|self: TrimStringRef<'_, T>, to: Tui|{
let XYWH(x, y, w, ..) = to.1;
let mut width: u16 = 1;
let mut chars = self.1.as_ref().chars();
while let Some(c) = chars.next() {
if width > self.0 || width > w {
break
}
let XYWH(x, y, w, ..) = XYWH(to.x(), to.y(), to.w().min(self.0).min(self.1.as_ref().width() as u16), to.h());
to.text(&self.as_ref(), x, y, w)
let pos = Position { x: x + width - 1, y };
if let Some(cell) = to.0.cell_mut(pos) {
cell.set_char(c);
}
width += c.width().unwrap_or(0) as u16;
}
}
let XYWH(x, y, w, ..) = XYWH(to.x(), to.y(), to.w().min(self.0).min(self.1.as_ref().width() as u16), to.h());
to.text(&self.as_ref(), x, y, w)
});
impl Tui {
/// Write a line of text
///
/// TODO: do a paragraph (handle newlines)
pub fn text (&mut self, text: &impl AsRef<str>, x0: u16, y: u16, max_width: u16) -> Usually<XYWH<u16>> {
pub fn text (&mut self, text: &impl AsRef<str>, x0: u16, y: u16, max_width: u16) -> Perhaps<XYWH<u16>> {
let text = text.as_ref();
let mut string_width: u16 = 0;
for character in text.chars() {
@ -75,7 +53,7 @@ pub(crate) use ::unicode_width::*;
break
}
}
Ok(XYWH(x0, y, string_width, 1))
Ok(Some(XYWH(x0, y, string_width, 1)))
}
}
}