screen: Keep GNSS status on normal display clear

src/screen.rs

@@ -220,7 +220,28 @@ where
         Ok(())
     }
 
+    /// Clears the screen, but keeps the GNSS status row
     fn clear(&mut self) -> Result<(), D::Error>
+    where
+        D: DrawTarget<Color = pixelcolor::Rgb565>,
+    {
+        // this only differes from clear_all on big screens
+        if self.is_big_height() {
+            #[allow(clippy::cast_sign_loss)]
+            let max_y = (250 + self.size.offset_top) as u32;
+
+            primitives::Rectangle::new(
+                geometry::Point::new(0, 0),
+                geometry::Size::new(self.size.width.into(), max_y),
+            )
+            .into_styled(Self::BK_STYLE)
+            .draw(&mut self.target)
+        } else {
+            self.clear_all()
+        }
+    }
+
+    fn clear_all(&mut self) -> Result<(), D::Error>
     where
         D: DrawTarget<Color = pixelcolor::Rgb565>,
     {
@@ -302,7 +323,7 @@ where
     // uses full screen width and height
     // - from 0 to 105+67    = 172 pixels for small screens
     // - from 0 to 105+67+20 = 192 pixels for big screens
-    #[allow(unused)]
+    #[allow(unused, clippy::too_many_lines)]
     fn draw_glosa(
         &mut self,
         data: &applogic::GlosaSignalInfo,
@@ -397,7 +418,7 @@ where
                     text::Alignment::Center,
                 )
                 .draw(&mut self.target)?;
-            };
+            }
 
             // draw maneuver
             text::Text::with_alignment(
@@ -453,7 +474,7 @@ where
     fn draw_slash_screen(&mut self) -> Result<(), D::Error> {
         let text_style = mono_font::MonoTextStyle::new(&profont::PROFONT_18_POINT, Self::COLOR_FG);
 
-        self.clear()?;
+        self.clear_all()?;
 
         let sig_width = i32::from(self.size.width) / 3;
         let circle_dia = 50;