<pre class="bz_comment_text" id="comment_text_2">Hi,<br><br>I find the reason is:<br>when the mouse leaves the QGraphicsWidget but still on the taskbar, the taskbar<br>receives a QEvent::GraphicsSceneHoverEnter, then the tooltipmanager will call<br>show(widget). And In function show(), hideTimer is stopped, and some time later,<br>function showToolTip() will be called. But showToolTip returns at line 356<br>because tooltip.value().isEmpty(). <br>Now the hideTimer and showTimer are both stopped, so the tooltip will not hide<br>automatically.</pre><br>best regards<br><br>pwp<br>
<br>