replace use of str::lines with BidiParagraphs

examples/editor-test/src/main.rs

@@ -1,7 +1,8 @@
 // SPDX-License-Identifier: MIT OR Apache-2.0
 
 use cosmic_text::{
-    Action, BorrowedWithFontSystem, Buffer, Color, Edit, Editor, FontSystem, Metrics, SwashCache,
+    Action, BidiParagraphs, BorrowedWithFontSystem, Buffer, Color, Edit, Editor, FontSystem,
+    Metrics, SwashCache,
 };
 use orbclient::{EventOption, Renderer, Window, WindowFlag};
 use std::{env, fs, process, time::Instant};
@@ -84,7 +85,7 @@ fn main() {
     let test_start = Instant::now();
 
     //TODO: support bidi
-    for line in text.lines() {
+    for line in BidiParagraphs::new(&text) {
         log::debug!("Line {:?}", line);
 
         for grapheme in line.graphemes(true) {

src/buffer.rs

@@ -9,8 +9,8 @@ use core::{cmp, fmt};
 use unicode_segmentation::UnicodeSegmentation;
 
 use crate::{
-    Attrs, AttrsList, BorrowedWithFontSystem, BufferLine, Color, FontSystem, LayoutGlyph,
-    LayoutLine, ShapeLine, Shaping, Wrap,
+    Attrs, AttrsList, BidiParagraphs, BorrowedWithFontSystem, BufferLine, Color, FontSystem,
+    LayoutGlyph, LayoutLine, ShapeLine, Shaping, Wrap,
 };
 
 /// Current cursor location
@@ -580,7 +580,7 @@ impl Buffer {
         shaping: Shaping,
     ) {
         self.lines.clear();
-        for line in text.lines() {
+        for line in BidiParagraphs::new(text) {
             self.lines.push(BufferLine::new(
                 line.to_string(),
                 AttrsList::new(attrs),