ity needed by nearly all dialogs.
</p>
<p>
It offers the standard action buttons you'd expect to find in a
dialog as well as the capability to define at most three configurable
buttons. You can define a main widget that contains your specific
dialog layout
</p>
<p>
The class takes care of the geometry management. You only need to define
a minimum size for the widget you want to use as the main widget.
</p>
<p>
By default, the dialog is non-modal.
</p>
<p>
<b>Standard buttons (action buttons):</b>\n
</p>
<p>