gtkmm: New API in gtkmm 3.2

gtkmm 4.14.0

New API in gtkmm 3.2

Class Gtk::FontChooser

Class Gtk::FontChooserDialog

Class Gtk::FontChooserWidget

Member Gtk::Scale::Scale (Orientation orientation)
Member Gtk::Tooltip::unset_custom ()
Member Gtk::Tooltip::unset_icon ()
Member Gtk::Tooltip::unset_markup ()
Member Gtk::Tooltip::unset_text ()
Member Gtk::TreeView::unset_drag_dest_row ()
Member Gtk::TreeView::unset_row_separator_func ()