move gpui-components to ui crate

crates/ui/src/event.rs

@@ -0,0 +1,22 @@
+use gpui::{ClickEvent, Focusable, InteractiveElement, Stateful, WindowContext};
+
+pub trait InteractiveElementExt: InteractiveElement {
+    /// Set the listener for a double click event.
+    fn on_double_click(
+        mut self,
+        listener: impl Fn(&ClickEvent, &mut WindowContext) + 'static,
+    ) -> Self
+    where
+        Self: Sized,
+    {
+        self.interactivity().on_click(move |event, context| {
+            if event.up.click_count == 2 {
+                listener(event, context);
+            }
+        });
+        self
+    }
+}
+
+impl<E: InteractiveElement> InteractiveElementExt for Focusable<E> {}
+impl<E: InteractiveElement> InteractiveElementExt for Stateful<E> {}