Avoid reopening Menu in ComboBox

native/src/widget/combo_box.rs

@@ -19,6 +19,7 @@ where
     text_size: Option<u16>,
     font: Renderer::Font,
     style: <Renderer as self::Renderer>::Style,
+    is_open: bool,
 }
 
 #[derive(Default)]
@@ -38,6 +39,8 @@ where
         selected: Option<T>,
         on_selected: impl Fn(T) -> Message + 'static,
     ) -> Self {
+        let is_open = state.menu.is_open();
+
         Self {
             menu: &mut state.menu,
             on_selected: Box::new(on_selected),
@@ -48,6 +51,7 @@ where
             padding: Renderer::DEFAULT_PADDING,
             font: Default::default(),
             style: Default::default(),
+            is_open,
         }
     }
 
@@ -179,8 +183,11 @@ where
         _renderer: &Renderer,
         _clipboard: Option<&dyn Clipboard>,
     ) {
+        if !self.is_open {
             match event {
-            Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left)) => {
+                Event::Mouse(mouse::Event::ButtonPressed(
+                    mouse::Button::Left,
+                )) => {
                     if layout.bounds().contains(cursor_position) {
                         let selected = self.selected.as_ref();
 
@@ -194,6 +201,7 @@ where
                 _ => {}
             }
         }
+    }
 
     fn draw(
         &self,