Warning
gtk_action_set_tooltip has been deprecated since version 3.10 and should not be used in newly-written code. Use GAction instead, and set tooltips on associated
GActionable widgets with gtk_widget_set_tooltip_text()
Sets the tooltip text on action
Since 2.16
Warning gtk_action_set_tooltip has been deprecated since version 3.10 and should not be used in newly-written code. Use GAction instead, and set tooltips on associated GActionable widgets with gtk_widget_set_tooltip_text() Sets the tooltip text on action Since 2.16