Add narrow no-break space support (#9604)

1 files changed, 9 insertions, 0 deletions

diff --git a/helix-term/src/ui/document.rs b/helix-term/src/ui/document.rs
index dc61ca2e..b571b83c 100644
--- a/helix-term/src/ui/document.rs
+++ b/helix-term/src/ui/document.rs
@@ -341,6 +341,7 @@ pub struct TextRenderer<'a> {
     pub indent_guide_style: Style,
     pub newline: String,
     pub nbsp: String,
+    pub nnbsp: String,
     pub space: String,
     pub tab: String,
     pub virtual_tab: String,
@@ -395,6 +396,11 @@ impl<'a> TextRenderer<'a> {
         } else {
             " ".to_owned()
         };
+        let nnbsp = if ws_render.nnbsp() == WhitespaceRenderValue::All {
+            ws_chars.nnbsp.into()
+        } else {
+            " ".to_owned()
+        };
 
         let text_style = theme.get("ui.text");
 
@@ -405,6 +411,7 @@ impl<'a> TextRenderer<'a> {
             indent_guide_char: editor_config.indent_guides.character.into(),
             newline,
             nbsp,
+            nnbsp,
             space,
             tab,
             virtual_tab,
@@ -448,6 +455,7 @@ impl<'a> TextRenderer<'a> {
         let width = grapheme.width();
         let space = if is_virtual { " " } else { &self.space };
         let nbsp = if is_virtual { " " } else { &self.nbsp };
+        let nnbsp = if is_virtual { " " } else { &self.nnbsp };
         let tab = if is_virtual {
             &self.virtual_tab
         } else {
@@ -461,6 +469,7 @@ impl<'a> TextRenderer<'a> {
             // TODO special rendering for other whitespaces?
             Grapheme::Other { ref g } if g == " " => space,
             Grapheme::Other { ref g } if g == "\u{00A0}" => nbsp,
+            Grapheme::Other { ref g } if g == "\u{202F}" => nnbsp,
             Grapheme::Other { ref g } => g,
             Grapheme::Newline => &self.newline,
         };