Intercept creation of comboboxes in QtWebKit

[Hronom]

Hello! I have a web page with code:
@<select>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
@
I want intercept creation of comboboxes on QWebPage and create something custom, how can I do this?

[AcerExtensa]

Do you have the same behavior like I do?: http://qt-project.org/forums/viewthread/25723

[Hronom]

[quote author="AcerExtensa" date="1368426714"]Do you have the same behavior like I do?: http://qt-project.org/forums/viewthread/25723[/quote]
No... I need intercept creation of combobox to create custom combobox, that has its own reaction on events.
I already reimplement methods like QWebPage::javaScriptConfirm to create custom widgets. But for combobox creation I didnt find right method.
Please help!