Keyboard input, text input elements

lib/ui/src/tree.rs

@@ -72,6 +72,7 @@ pub struct Style {
     pub padding: Edges,
     pub background: Option<Color>,
     pub pointer_events: bool,
+    pub focusable: bool,
     pub cursor: Option<CursorIcon>,
 }
 
@@ -86,6 +87,7 @@ impl Default for Style {
             padding: Edges::ZERO,
             background: None,
             pointer_events: true,
+            focusable: false,
             cursor: None,
         }
     }
@@ -198,6 +200,11 @@ impl Element {
         self
     }
 
+    pub fn focusable(mut self, focusable: bool) -> Self {
+        self.style.focusable = focusable;
+        self
+    }
+
     pub fn cursor(mut self, cursor: CursorIcon) -> Self {
         self.style.cursor = Some(cursor);
         self