feat(ui): add nbsp (non-breaking space) to rendered whitespace (#2322)

1 files changed, 12 insertions, 0 deletions

diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index 5ceff39e..52e58163 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -370,6 +370,7 @@ impl EditorView {
             " ".repeat(tab_width)
         };
         let space = whitespace.characters.space.to_string();
+        let nbsp = whitespace.characters.nbsp.to_string();
         let newline = if whitespace.render.newline() == WhitespaceRenderValue::All {
             whitespace.characters.newline.to_string()
         } else {
@@ -406,6 +407,14 @@ impl EditorView {
                         " "
                     };
 
+                    let nbsp = if whitespace.render.nbsp() == WhitespaceRenderValue::All
+                        && text.len_chars() < end
+                    {
+                        &nbsp
+                    } else {
+                        " "
+                    };
+
                     use helix_core::graphemes::{grapheme_width, RopeGraphemes};
 
                     for grapheme in RopeGraphemes::new(text) {
@@ -445,6 +454,9 @@ impl EditorView {
                             } else if grapheme == " " {
                                 is_whitespace = true;
                                 (space, 1)
+                            } else if grapheme == "\u{00A0}" {
+                                is_whitespace = true;
+                                (nbsp, 1)
                             } else {
                                 is_whitespace = false;
                                 // Cow will prevent allocations if span contained in a single slice