Add background_color to Settings

native/src/renderer.rs

@@ -21,14 +21,15 @@
 //! [`checkbox::Renderer`]: ../widget/checkbox/trait.Renderer.html
 
 mod debugger;
-#[cfg(debug_assertions)]
-mod null;
 mod windowed;
 
 pub use debugger::Debugger;
+pub use windowed::{Target, Windowed};
+
+#[cfg(debug_assertions)]
+mod null;
 #[cfg(debug_assertions)]
 pub use null::Null;
-pub use windowed::{Target, Windowed};
 
 use crate::{layout, Element};
 

native/src/renderer/windowed.rs

@@ -1,4 +1,4 @@
-use crate::MouseCursor;
+use crate::{Color, MouseCursor};
 
 use raw_window_handle::HasRawWindowHandle;
 
@@ -19,6 +19,7 @@ pub trait Windowed: super::Renderer + Sized {
     /// top of the GUI on most scenarios.
     fn draw<T: AsRef<str>>(
         &mut self,
+        clear_color: Color,
         output: &Self::Output,
         overlay: &[T],
         target: &mut Self::Target,