remove state generic from a lot of things

src/widget/position/offset.rs

@@ -1,21 +1,21 @@
 use crate::prelude::*;
 
-pub struct Offset<State> {
-    pub inner: WidgetHandle<State>,
+pub struct Offset {
+    pub inner: WidgetHandle,
     pub amt: UiVec2,
 }
 
-impl<State: 'static> Widget<State> for Offset<State> {
-    fn draw(&mut self, painter: &mut Painter<State>) {
+impl Widget for Offset {
+    fn draw(&mut self, painter: &mut Painter) {
         let region = UiRegion::FULL.offset(self.amt);
         painter.widget_within(&self.inner, region);
     }
 
-    fn desired_width(&mut self, ctx: &mut SizeCtx<State>) -> Len {
+    fn desired_width(&mut self, ctx: &mut SizeCtx) -> Len {
         ctx.width(&self.inner)
     }
 
-    fn desired_height(&mut self, ctx: &mut SizeCtx<State>) -> Len {
+    fn desired_height(&mut self, ctx: &mut SizeCtx) -> Len {
         ctx.height(&self.inner)
     }
 }