#[repr(C)]
pub struct GtkFontChooserIface {
    pub base_iface: GTypeInterface,
    pub get_font_family: Option<unsafe extern "C" fn(_: *mut GtkFontChooser) -> *mut PangoFontFamily>,
    pub get_font_face: Option<unsafe extern "C" fn(_: *mut GtkFontChooser) -> *mut PangoFontFace>,
    pub get_font_size: Option<unsafe extern "C" fn(_: *mut GtkFontChooser) -> c_int>,
    pub set_filter_func: Option<unsafe extern "C" fn(_: *mut GtkFontChooser, _: GtkFontFilterFunc, _: gpointer, _: GDestroyNotify)>,
    pub font_activated: Option<unsafe extern "C" fn(_: *mut GtkFontChooser, _: *const c_char)>,
    pub set_font_map: Option<unsafe extern "C" fn(_: *mut GtkFontChooser, _: *mut PangoFontMap)>,
    pub get_font_map: Option<unsafe extern "C" fn(_: *mut GtkFontChooser) -> *mut PangoFontMap>,
    pub padding: [gpointer; 10],
}
Fields
                           
                           base_iface: GTypeInterface
                           
                           
                           get_font_family: Option<unsafe extern "C" fn(_: *mut GtkFontChooser) -> *mut PangoFontFamily>
                           
                           
                           get_font_face: Option<unsafe extern "C" fn(_: *mut GtkFontChooser) -> *mut PangoFontFace>
                           
                           
                           get_font_size: Option<unsafe extern "C" fn(_: *mut GtkFontChooser) -> c_int>
                           
                           
                           set_filter_func: Option<unsafe extern "C" fn(_: *mut GtkFontChooser, _: GtkFontFilterFunc, _: gpointer, _: GDestroyNotify)>
                           
                           
                           font_activated: Option<unsafe extern "C" fn(_: *mut GtkFontChooser, _: *const c_char)>
                           
                           
                           set_font_map: Option<unsafe extern "C" fn(_: *mut GtkFontChooser, _: *mut PangoFontMap)>
                           
                           
                           get_font_map: Option<unsafe extern "C" fn(_: *mut GtkFontChooser) -> *mut PangoFontMap>
                           
                           
                           padding: [gpointer; 10]