Replace width and height with Widget::size

examples/custom_quad/src/main.rs

@@ -26,12 +26,11 @@ mod quad {
     where
         Renderer: renderer::Renderer,
     {
-        fn width(&self) -> Length {
-            Length::Shrink
-        }
-
-        fn height(&self) -> Length {
-            Length::Shrink
+        fn size(&self) -> Size<Length> {
+            Size {
+                width: Length::Shrink,
+                height: Length::Shrink,
+            }
         }
 
         fn layout(

examples/custom_widget/src/main.rs

@@ -33,12 +33,11 @@ mod circle {
     where
         Renderer: renderer::Renderer,
     {
-        fn width(&self) -> Length {
-            Length::Shrink
-        }
-
-        fn height(&self) -> Length {
-            Length::Shrink
+        fn size(&self) -> Size<Length> {
+            Size {
+                width: Length::Shrink,
+                height: Length::Shrink,
+            }
         }
 
         fn layout(

examples/geometry/src/main.rs

@@ -16,12 +16,11 @@ mod rainbow {
     }
 
     impl<Message> Widget<Message, Renderer> for Rainbow {
-        fn width(&self) -> Length {
-            Length::Fill
-        }
-
-        fn height(&self) -> Length {
-            Length::Shrink
+        fn size(&self) -> Size<Length> {
+            Size {
+                width: Length::Fill,
+                height: Length::Shrink,
+            }
         }
 
         fn layout(

examples/loading_spinners/src/circular.rs

@@ -244,12 +244,11 @@ where
         tree::State::new(State::default())
     }
 
-    fn width(&self) -> Length {
-        Length::Fixed(self.size)
-    }
-
-    fn height(&self) -> Length {
-        Length::Fixed(self.size)
+    fn size(&self) -> Size<Length> {
+        Size {
+            width: Length::Fixed(self.size),
+            height: Length::Fixed(self.size),
+        }
     }
 
     fn layout(

examples/loading_spinners/src/linear.rs

@@ -165,12 +165,11 @@ where
         tree::State::new(State::default())
     }
 
-    fn width(&self) -> Length {
-        self.width
-    }
-
-    fn height(&self) -> Length {
-        self.height
+    fn size(&self) -> Size<Length> {
+        Size {
+            width: self.width,
+            height: self.height,
+        }
     }
 
     fn layout(

examples/modal/src/main.rs

@@ -281,12 +281,8 @@ mod modal {
             tree.diff_children(&[&self.base, &self.modal]);
         }
 
-        fn width(&self) -> Length {
-            self.base.as_widget().width()
-        }
-
-        fn height(&self) -> Length {
-            self.base.as_widget().height()
+        fn size(&self) -> Size<Length> {
+            self.base.as_widget().size()
         }
 
         fn layout(

examples/toast/src/main.rs

@@ -313,12 +313,8 @@ mod toast {
     }
 
     impl<'a, Message> Widget<Message, Renderer> for Manager<'a, Message> {
-        fn width(&self) -> Length {
-            self.content.as_widget().width()
-        }
-
-        fn height(&self) -> Length {
-            self.content.as_widget().height()
+        fn size(&self) -> Size<Length> {
+            self.content.as_widget().size()
         }
 
         fn layout(