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Improve word wrapping

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Now supports long trailing whitespace as well as tabs.
This commit is contained in:
Joscha 2022-07-04 18:56:52 +02:00
parent 9b0d80873f
commit 11b2211fad
5 changed files with 106 additions and 41 deletions
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16
examples/text_wrapping.rs
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@ -14,7 +14,20 @@ fn draw(f: &mut Frame) {
"This\u{00a0}sentence\u{00a0}is\u{00a0}separated\u{00a0}by\u{00a0}non-\u{2060}breaking\u{00a0}spaces.\n",
"\n",
"It can also properly handle wide graphemes (like emoji 🤔), ",
"including ones usually displayed incorrectly by terminal emulators, like 👩‍🔬 (a female scientist emoji).",
"including ones usually displayed incorrectly by terminal emulators, like 👩‍🔬 (a female scientist emoji).\n",
"\n",
"Finally, tabs are supported as well. ",
"The following text is rendered with a tab width of 4:\n",
"\tx\n",
"1\tx\n",
"12\tx\n",
"123\tx\n",
"1234\tx\n",
"12345\tx\n",
"123456\tx\n",
"1234567\tx\n",
"12345678\tx\n",
"123456789\tx\n",
);
let breaks = f.wrap(text, f.size().width.into());
@ -46,6 +59,7 @@ fn main() {
// Automatically enters alternate screen and enables raw mode
let mut term = Terminal::new().unwrap();
term.set_measuring(true);
term.set_tab_width(4);
loop {
// Render and display a frame. A full frame is displayed on the terminal