clean up

src/layout/ui.rs

@@ -1,5 +1,5 @@
 use crate::{
-    HashMap, Painter, Vec2, Widget, WidgetId, WidgetLike,
+    HashMap, Painter, Widget, WidgetId, WidgetLike,
     primitive::Primitives,
     util::{IDTracker, Id},
 };
@@ -17,18 +17,6 @@ pub struct Ui<Ctx> {
     full_redraw: bool,
 }
 
-pub struct MouseState {
-    pos: Vec2,
-    primary: ButtonState,
-    secondary: ButtonState,
-}
-
-pub enum ButtonState {
-    JustPressed,
-    Pressed,
-    Released,
-}
-
 #[derive(Default)]
 pub struct Widgets<Ctx>(HashMap<Id, Box<dyn Widget<Ctx>>>);