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Use styled chunks of text instead of plain strings

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This commit is contained in:
Joscha 2022-07-04 10:55:25 +02:00
parent 761519c1a7
commit 9b0d80873f
8 changed files with 209 additions and 66 deletions
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9
examples/hello_world.rs
View file

@ -6,13 +6,14 @@ use toss::terminal::Terminal;
fn draw(f: &mut Frame) {
f.write(
Pos::new(0, 0),
"Hello world!",
ContentStyle::default().green(),
("Hello world!", ContentStyle::default().green()),
);
f.write(
Pos::new(0, 1),
"Press any key to exit",
ContentStyle::default().on_dark_blue(),
(
"Press any key to exit",
ContentStyle::default().on_dark_blue(),
),
);
f.show_cursor(Pos::new(16, 0));
}

36
examples/overlapping_graphemes.rs
View file

@ -7,53 +7,45 @@ fn draw(f: &mut Frame) {
f.write(
Pos::new(0, 0),
"Writing over wide graphemes removes the entire overwritten grapheme.",
ContentStyle::default(),
);
let under = ContentStyle::default().white().on_dark_blue();
let over = ContentStyle::default().black().on_dark_yellow();
for i in 0..6 {
let delta = i - 2;
f.write(Pos::new(2 + i * 7, 2), "a😀", under);
f.write(Pos::new(2 + i * 7, 3), "a😀", under);
f.write(Pos::new(2 + i * 7, 4), "a😀", under);
f.write(Pos::new(2 + i * 7 + delta, 3), "b", over);
f.write(Pos::new(2 + i * 7 + delta, 4), "😈", over);
f.write(Pos::new(2 + i * 7, 2), ("a😀", under));
f.write(Pos::new(2 + i * 7, 3), ("a😀", under));
f.write(Pos::new(2 + i * 7, 4), ("a😀", under));
f.write(Pos::new(2 + i * 7 + delta, 3), ("b", over));
f.write(Pos::new(2 + i * 7 + delta, 4), ("😈", over));
}
f.write(
Pos::new(0, 6),
"Wide graphemes at the edges of the screen apply their style, but are not",
ContentStyle::default(),
);
f.write(
Pos::new(0, 7),
"actually rendered.",
ContentStyle::default(),
);
f.write(Pos::new(0, 7), "actually rendered.");
let x1 = -1;
let x2 = f.size().width as i32 / 2 - 3;
let x3 = f.size().width as i32 - 5;
f.write(Pos::new(x1, 9), "123456", under);
f.write(Pos::new(x1, 10), "😀😀😀", under);
f.write(Pos::new(x2, 9), "123456", under);
f.write(Pos::new(x2, 10), "😀😀😀", under);
f.write(Pos::new(x3, 9), "123456", under);
f.write(Pos::new(x3, 10), "😀😀😀", under);
f.write(Pos::new(x1, 9), ("123456", under));
f.write(Pos::new(x1, 10), ("😀😀😀", under));
f.write(Pos::new(x2, 9), ("123456", under));
f.write(Pos::new(x2, 10), ("😀😀😀", under));
f.write(Pos::new(x3, 9), ("123456", under));
f.write(Pos::new(x3, 10), ("😀😀😀", under));
let scientist = "👩‍🔬";
f.write(
Pos::new(0, 12),
"Most terminals ignore the zero width joiner and display this female",
ContentStyle::default(),
);
f.write(
Pos::new(0, 13),
"scientist emoji as a woman and a microscope: 👩‍🔬",
ContentStyle::default(),
);
for i in 0..(f.width(scientist) + 4) {
f.write(Pos::new(2, 15 + i as i32), scientist, under);
f.write(Pos::new(i as i32, 15 + i as i32), "x", over);
f.write(Pos::new(2, 15 + i as i32), (scientist, under));
f.write(Pos::new(i as i32, 15 + i as i32), ("x", over));
}
}

13
examples/text_wrapping.rs
View file

@ -1,6 +1,6 @@
use crossterm::event::Event;
use crossterm::style::ContentStyle;
use toss::frame::{Frame, Pos};
use toss::styled::Styled;
use toss::terminal::Terminal;
fn draw(f: &mut Frame) {
@ -18,13 +18,10 @@ fn draw(f: &mut Frame) {
);
let breaks = f.wrap(text, f.size().width.into());
let lines = toss::split_at_indices(text, &breaks);
for (i, line) in lines.iter().enumerate() {
f.write(
Pos::new(0, i as i32),
line.trim_end(),
ContentStyle::default(),
);
let lines = Styled::default().then(text).split_at_indices(&breaks);
for (i, mut line) in lines.into_iter().enumerate() {
line.trim_end();
f.write(Pos::new(0, i as i32), line);
}
}