Add non-boxed wrap_impl! macro

Although maybe sized_view should rather use a box internally.

src/view/box_view.rs

@@ -27,7 +27,7 @@ impl BoxView {
 
 impl ViewWrapper for BoxView {
 
-    wrap_impl!(content);
+    wrap_impl_box!(self.content);
 
     fn wrap_get_min_size(&self, _: SizeRequest) -> Vec2 {
         self.size

src/view/key_event_view.rs

@@ -34,7 +34,7 @@ impl KeyEventView {
 
 impl ViewWrapper for KeyEventView {
 
-    wrap_impl!(content);
+    wrap_impl_box!(self.content);
 
     fn wrap_on_key_event(&mut self, ch: i32) -> EventResult {
         match self.content.on_key_event(ch) {

src/view/sized_view.rs

@@ -19,13 +19,7 @@ impl<T: View> SizedView<T> {
 }
 
 impl <T: View> ViewWrapper for SizedView<T> {
-    fn get_view(&self) -> &View {
+    wrap_impl!(self.view);
-        &self.view
-    }
-
-    fn get_view_mut(&mut self) -> &mut View {
-        &mut self.view
-    }
 
     fn wrap_layout(&mut self, size: Vec2) {
         self.view.layout(size);

src/view/view_wrapper.rs

@@ -44,7 +44,21 @@ impl <T: ViewWrapper> View for T {
 
 #[macro_export]
 macro_rules! wrap_impl {
-    ($v:ident) => {
+    (self.$v:ident) => {
+
+        fn get_view(&self) -> &View {
+            &self.$v
+        }
+
+        fn get_view_mut(&mut self) -> &mut View {
+            &mut self.$v
+        }
+    };
+}
+
+#[macro_export]
+macro_rules! wrap_impl_box {
+    (self.$v:ident) => {
 
         fn get_view(&self) -> &View {
             &*self.$v