Implement width on Drawable

src/draw_target.rs

@@ -351,6 +351,14 @@ impl Drawable<'_> {
             } => draw_state.draw_to_term(term_like, last_line_count),
         }
     }
+
+    pub(crate) fn width(&self) -> Option<u16> {
+        match self {
+            Drawable::Term { term, .. } => Some(term.size().1),
+            Drawable::Multi { state, .. } => state.width(),
+            Drawable::TermLike { term_like, .. } => Some(term_like.width()),
+        }
+    }
 }
 
 pub(crate) enum LineAdjust {

src/state.rs

@@ -187,16 +187,14 @@ impl BarState {
         // finished progress bars, so it's kept as to not cause compatibility issues in weird cases.
         force_draw |= self.state.is_finished();
 
-        // First check whether there is something to be drawn.
-        if self.draw_target.drawable(force_draw, now).is_none() {
-            return Ok(());
-        }
-        // Then, get the target width.
-        // This is an expensive operation, and should only happen when we actually do some work.
-        let width = self.draw_target.width();
+        // let width = self.draw_target.width();
+
+        let mut drawable = match self.draw_target.drawable(force_draw, now) {
+            Some(drawable) => drawable,
+            None => return Ok(()),
+        };
 
-        // Now actually get the drawable.
-        let mut drawable = self.draw_target.drawable(force_draw, now).unwrap();
+        let width = drawable.width();
 
         let mut draw_state = drawable.state();
 
@@ -206,7 +204,6 @@ impl BarState {
                     .format_state(&self.state, &mut draw_state.lines, width);
             }
         }
-
         drop(draw_state);
 
         drawable.draw()