Draft widget nodes and wire interaction

src/widget/button.rs

@@ -40,9 +40,11 @@ use std::hash::Hash;
 /// ![Button drawn by Coffee's renderer](https://github.com/hecrj/coffee/blob/bda9818f823dfcb8a7ad0ff4940b4d4b387b5208/images/ui/button.png?raw=true)
 pub struct Button<'a, Message> {
     state: &'a mut State,
-    label: String,
+    /// The label of the button.
+    pub label: String,
     class: Class,
-    on_press: Option<Message>,
+    /// The message to produce when the button is pressed
+    pub on_press: Option<Message>,
     style: Style,
 }
 

src/widget/text.rs

@@ -29,8 +29,10 @@ use std::hash::Hash;
 /// ```
 #[derive(Debug, Clone)]
 pub struct Text<Color> {
-    content: String,
-    size: Option<u16>,
+    /// The text contents
+    pub content: String,
+    /// The text size
+    pub size: Option<u16>,
     color: Option<Color>,
     style: Style,
     horizontal_alignment: HorizontalAlignment,