Steps:
1. Load attached qt quick application project with qt creator and then open the main.qml file in designer mode.
2. Select the "text_edit1" control from nevigator. in the properties window, click "Wrap Mode" drop down list.

Expected Result:
The dropdown list can be show after clicked it and disappear after select one mode.
Actually Result:
the dropdown list can't be disappeared after select, and it still show when select another control, even change to another application window.
Please see the attached picture. and flash.