Merge branch 'master' into improvement/docs

native/src/element.rs

@@ -255,6 +255,14 @@ where
     A: Clone,
     Renderer: crate::Renderer,
 {
+    fn width(&self) -> Length {
+        self.widget.width()
+    }
+
+    fn height(&self) -> Length {
+        self.widget.height()
+    }
+
     fn layout(
         &self,
         renderer: &Renderer,
@@ -320,6 +328,14 @@ impl<'a, Message, Renderer> Widget<Message, Renderer>
 where
     Renderer: crate::Renderer + renderer::Debugger,
 {
+    fn width(&self) -> Length {
+        self.element.widget.width()
+    }
+
+    fn height(&self) -> Length {
+        self.element.widget.height()
+    }
+
     fn layout(
         &self,
         renderer: &Renderer,

native/src/widget.rs

@@ -69,6 +69,10 @@ pub trait Widget<Message, Renderer>
 where
     Renderer: crate::Renderer,
 {
+    fn width(&self) -> Length;
+
+    fn height(&self) -> Length;
+
     /// Returns the [`Node`] of the [`Widget`].
     ///
     /// This [`Node`] is used by the runtime to compute the [`Layout`] of the
@@ -83,14 +87,6 @@ where
         limits: &layout::Limits,
     ) -> layout::Node;
 
-    fn width(&self) -> Length {
-        Length::Shrink
-    }
-
-    fn height(&self) -> Length {
-        Length::Shrink
-    }
-
     /// Draws the [`Widget`] using the associated `Renderer`.
     ///
     /// [`Widget`]: trait.Widget.html

native/src/widget/button.rs

@@ -119,6 +119,14 @@ where
     Renderer: self::Renderer,
     Message: Clone,
 {
+    fn width(&self) -> Length {
+        self.width
+    }
+
+    fn height(&self) -> Length {
+        Length::Shrink
+    }
+
     fn layout(
         &self,
         renderer: &Renderer,

native/src/widget/checkbox.rs

@@ -72,6 +72,10 @@ where
         Length::Fill
     }
 
+    fn height(&self) -> Length {
+        Length::Shrink
+    }
+
     fn layout(
         &self,
         renderer: &Renderer,

native/src/widget/column.rs

@@ -118,6 +118,10 @@ where
         self.width
     }
 
+    fn height(&self) -> Length {
+        self.height
+    }
+
     fn layout(
         &self,
         renderer: &Renderer,

native/src/widget/container.rs

@@ -99,6 +99,10 @@ where
         self.width
     }
 
+    fn height(&self) -> Length {
+        self.height
+    }
+
     fn layout(
         &self,
         renderer: &Renderer,

native/src/widget/image.rs

@@ -58,6 +58,14 @@ impl<Message, Renderer> Widget<Message, Renderer> for Image
 where
     Renderer: self::Renderer,
 {
+    fn width(&self) -> Length {
+        self.width
+    }
+
+    fn height(&self) -> Length {
+        self.height
+    }
+
     fn layout(
         &self,
         renderer: &Renderer,

native/src/widget/radio.rs

@@ -82,6 +82,10 @@ where
         Length::Fill
     }
 
+    fn height(&self) -> Length {
+        Length::Shrink
+    }
+
     fn layout(
         &self,
         renderer: &Renderer,

native/src/widget/row.rs

@@ -120,6 +120,10 @@ where
         self.width
     }
 
+    fn height(&self) -> Length {
+        self.height
+    }
+
     fn layout(
         &self,
         renderer: &Renderer,

native/src/widget/scrollable.rs

@@ -105,6 +105,14 @@ impl<'a, Message, Renderer> Widget<Message, Renderer>
 where
     Renderer: self::Renderer + column::Renderer,
 {
+    fn width(&self) -> Length {
+        Length::Fill
+    }
+
+    fn height(&self) -> Length {
+        self.height
+    }
+
     fn layout(
         &self,
         renderer: &Renderer,

native/src/widget/slider.rs

@@ -86,6 +86,10 @@ where
         self.width
     }
 
+    fn height(&self) -> Length {
+        Length::Shrink
+    }
+
     fn layout(
         &self,
         renderer: &Renderer,

native/src/widget/text.rs

@@ -117,6 +117,10 @@ where
         self.width
     }
 
+    fn height(&self) -> Length {
+        self.height
+    }
+
     fn layout(
         &self,
         renderer: &Renderer,

native/src/widget/text_input.rs

@@ -100,6 +100,10 @@ where
         self.width
     }
 
+    fn height(&self) -> Length {
+        Length::Shrink
+    }
+
     fn layout(
         &self,
         renderer: &Renderer,