update line_height per update_config fn

frontends/rioterm/src/context/grid.rs

@@ -357,6 +357,12 @@ impl<T: rio_backend::event::EventListener> ContextGrid<T> {
         }
     }
 
+    pub fn update_line_height(&mut self, line_height: f32) {
+        for context in &mut self.inner {
+            context.val.dimension.update_line_height(line_height);
+        }
+    }
+
     pub fn update_dimensions(&mut self, sugarloaf: &Sugarloaf) {
         for context in &mut self.inner {
             let layout = sugarloaf.rich_text_layout(&context.val.rich_text_id);
@@ -916,6 +922,12 @@ impl ContextDimension {
         self.update();
     }
 
+    #[inline]
+    pub fn update_line_height(&mut self, line_height: f32) {
+        self.line_height = line_height;
+        self.update();
+    }
+
     #[inline]
     pub fn update_dimensions(&mut self, dimensions: SugarDimensions) {
         self.dimension = dimensions;

frontends/rioterm/src/screen/mod.rs

@@ -374,6 +374,8 @@ impl Screen<'_> {
         self.renderer = Renderer::new(config, font_library);
 
         for context_grid in self.context_manager.contexts_mut() {
+            context_grid.update_line_height(config.line_height);
+
             context_grid.update_margin((
                 config.padding_x,
                 padding_y_top,
@@ -384,6 +386,11 @@ impl Screen<'_> {
 
             for current_context in context_grid.contexts_mut() {
                 let current_context = current_context.context_mut();
+                self.sugarloaf.set_rich_text_line_height(
+                    &current_context.rich_text_id,
+                    current_context.dimension.line_height,
+                );
+
                 let mut terminal = current_context.terminal.lock();
                 current_context.renderable_content =
                     RenderableContent::from_cursor_config(&config.cursor);