Allow setting text background color via TextStyle

crates/editor2/src/editor.rs

@@ -9410,6 +9410,7 @@ impl Render for Editor {
                 font_weight: FontWeight::NORMAL,
                 font_style: FontStyle::Normal,
                 line_height: relative(1.).into(),
+                background_color: None,
                 underline: None,
                 white_space: WhiteSpace::Normal,
             },
@@ -9424,6 +9425,7 @@ impl Render for Editor {
                 font_weight: FontWeight::NORMAL,
                 font_style: FontStyle::Normal,
                 line_height: relative(settings.buffer_line_height.value()),
+                background_color: None,
                 underline: None,
                 white_space: WhiteSpace::Normal,
             },

crates/editor2/src/element.rs

@@ -2452,7 +2452,7 @@ impl LineWithInvisibles {
                         len: line_chunk.len(),
                         font: text_style.font(),
                         color: text_style.color,
-                        background_color: None,
+                        background_color: text_style.background_color,
                         underline: text_style.underline,
                     });
 

crates/gpui2/src/style.rs

@@ -145,6 +145,7 @@ pub struct TextStyle {
     pub line_height: DefiniteLength,
     pub font_weight: FontWeight,
     pub font_style: FontStyle,
+    pub background_color: Option<Hsla>,
     pub underline: Option<UnderlineStyle>,
     pub white_space: WhiteSpace,
 }
@@ -159,6 +160,7 @@ impl Default for TextStyle {
             line_height: phi(),
             font_weight: FontWeight::default(),
             font_style: FontStyle::default(),
+            background_color: None,
             underline: None,
             white_space: WhiteSpace::Normal,
         }
@@ -182,6 +184,10 @@ impl TextStyle {
             self.color.fade_out(factor);
         }
 
+        if let Some(background_color) = style.background_color {
+            self.background_color = Some(background_color);
+        }
+
         if let Some(underline) = style.underline {
             self.underline = Some(underline);
         }
@@ -212,7 +218,7 @@ impl TextStyle {
                 style: self.font_style,
             },
             color: self.color,
-            background_color: None,
+            background_color: self.background_color,
             underline: self.underline.clone(),
         }
     }
@@ -223,6 +229,7 @@ pub struct HighlightStyle {
     pub color: Option<Hsla>,
     pub font_weight: Option<FontWeight>,
     pub font_style: Option<FontStyle>,
+    pub background_color: Option<Hsla>,
     pub underline: Option<UnderlineStyle>,
     pub fade_out: Option<f32>,
 }
@@ -441,6 +448,7 @@ impl From<&TextStyle> for HighlightStyle {
             color: Some(other.color),
             font_weight: Some(other.font_weight),
             font_style: Some(other.font_style),
+            background_color: other.background_color,
             underline: other.underline.clone(),
             fade_out: None,
         }
@@ -467,6 +475,10 @@ impl HighlightStyle {
             self.font_style = other.font_style;
         }
 
+        if other.background_color.is_some() {
+            self.background_color = other.background_color;
+        }
+
         if other.underline.is_some() {
             self.underline = other.underline;
         }

crates/gpui2/src/styled.rs

@@ -361,6 +361,13 @@ pub trait Styled: Sized {
         self
     }
 
+    fn text_bg(mut self, bg: impl Into<Hsla>) -> Self {
+        self.text_style()
+            .get_or_insert_with(Default::default)
+            .background_color = Some(bg.into());
+        self
+    }
+
     fn text_size(mut self, size: impl Into<AbsoluteLength>) -> Self {
         self.text_style()
             .get_or_insert_with(Default::default)