set_custom
Description:
Replaces the widget packed into the tooltip with custom_widget.
custom_widget does not get destroyed when the tooltip goes away. By default a box with a
Image and Label is embedded in the
tooltip, which can be configured using set_markup and
set_icon.
Parameters:
| this |
a Tooltip |
| custom_widget |
a Widget, or null to unset the old custom widget. |