Set the image of button to the given widget. The image will be displayed if the label text is null or if #GtkButton:always-show-image is true. You don’t have to call gtk.widget.Widget.show on image yourself.
a widget to set as the image for the button, or null to unset
Set the image of button to the given widget. The image will be displayed if the label text is null or if #GtkButton:always-show-image is true. You don’t have to call gtk.widget.Widget.show on image yourself.