Fix NativeSelect inner component size (#8737)

Fixes #8702 

1 files changed, 24 insertions, 0 deletions

diff --git a/client/src/main/java/com/vaadin/client/ui/VNativeSelect.java b/client/src/main/java/com/vaadin/client/ui/VNativeSelect.java
index 0ff6fe01f2..e39f25f0d8 100644
--- a/client/src/main/java/com/vaadin/client/ui/VNativeSelect.java
+++ b/client/src/main/java/com/vaadin/client/ui/VNativeSelect.java
@@ -77,4 +77,28 @@ public class VNativeSelect extends FocusableFlowPanelComposite
     public ListBox getListBox() {
         return listBox;
     }
+
+    @Override
+    public void setWidth(String width) {
+        if ("".equals(width)) {
+            // undefined width
+            getListBox().setWidth("");
+        } else {
+            // fill the composite
+            getListBox().setWidth("100%");
+        }
+        super.setWidth(width);
+    }
+
+    @Override
+    public void setHeight(String height) {
+        if ("".equals(height)) {
+            // undefined height
+            getListBox().setHeight("");
+        } else {
+            // fill the composite
+            getListBox().setHeight("100%");
+        }
+        super.setHeight(height);
+    }
 }