<div>I write such code in maemo:</div>
<div> </div>
<div>MyWindow::MyWindow(void)<br>{<br>  signal_button_press_event().connect(sigc::mem_fun(*this, &amp;MyWindow::on_button_press_event),false);<br>  signal_button_release_event().connect(sigc::mem_fun(*this, &amp;MyWindow::on_button_release_event),false);</div>

<div>}<br></div>
<div>bool  MyWindow::on_button_press_event (GdkEventButton* event)<br>{</div>
<div>  ....................<br>  return true;<br>}</div>
<div> </div>
<div>bool  MyWindow::on_button_release_event(GdkEventButton* event)<br>{<br>    ...........................</div>
<div>       return true;<br>}</div>
<div> </div>
<div>but I can&#39;t catch mouse press and release event, why?</div>