crossterm: Handle 'hidden' modifier (helix-editor#8120)

Crossterm supports the 'hidden' SGR parameter but we previously didn't set the attribute when the "hidden" modifier was specified in a theme.
lazytanuki · Aug 31, 2023 · a276726 · a276726
1 parent 6bef982
commit a276726
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/helix-tui/src/backend/crossterm.rs b/helix-tui/src/backend/crossterm.rs
@@ -328,6 +328,9 @@ impl ModifierDiff {
         if removed.contains(Modifier::SLOW_BLINK) || removed.contains(Modifier::RAPID_BLINK) {
             queue!(w, SetAttribute(CAttribute::NoBlink))?;
         }
+        if removed.contains(Modifier::HIDDEN) {
+            queue!(w, SetAttribute(CAttribute::NoHidden))?;
+        }
 
         let added = self.to - self.from;
         if added.contains(Modifier::REVERSED) {
@@ -351,6 +354,9 @@ impl ModifierDiff {
         if added.contains(Modifier::RAPID_BLINK) {
             queue!(w, SetAttribute(CAttribute::RapidBlink))?;
         }
+        if added.contains(Modifier::HIDDEN) {
+            queue!(w, SetAttribute(CAttribute::Hidden))?;
+        }
 
         Ok(())
     }