Warning
gtk_notebook_set_tab_label_packing has been deprecated since version 2.20 and should not be used in newly-written code. Modify the "tab-expand" and
"tab-fill" child properties instead.
Modifying the packing of the tab label is a deprecated feature and
shouldn't be done anymore.
Sets the packing parameters for the tab label of the page
containing child. See gtk_box_pack_start() for the exact meaning
of the parameters.
Warning gtk_notebook_set_tab_label_packing has been deprecated since version 2.20 and should not be used in newly-written code. Modify the "tab-expand" and "tab-fill" child properties instead. Modifying the packing of the tab label is a deprecated feature and shouldn't be done anymore. Sets the packing parameters for the tab label of the page containing child. See gtk_box_pack_start() for the exact meaning of the parameters.