pub unsafe trait WidgetClassSubclassExt: ClassStruct {
    fn set_template_bytes(&mut self, template: &Bytes) { ... }
    fn set_template(&mut self, template: &[u8]) { ... }
    fn set_template_static(&mut self, template: &'static [u8]) { ... }
    fn set_template_from_resource(&mut self, resource_name: &str) { ... }
    fn bind_template_child(&mut self, name: &str) { ... }
    unsafe fn bind_template_child_with_offset<T>(
        &mut self, 
        name: &str, 
        offset: FieldOffset<Self::Type, TemplateChild<T>>
    )
    where
        T: ObjectType + FromGlibPtrNone<*mut <T as ObjectType>::GlibType>,
    { ... }
    fn set_css_name(&mut self, name: &str) { ... }
    fn css_name(&self) -> GString { ... }
}Provided Methods
fn set_template_bytes(&mut self, template: &Bytes)
fn set_template(&mut self, template: &[u8])
fn set_template_static(&mut self, template: &'static [u8])
fn set_template_from_resource(&mut self, resource_name: &str)
fn bind_template_child(&mut self, name: &str)
unsafe fn bind_template_child_with_offset<T>(
    &mut self, 
    name: &str, 
    offset: FieldOffset<Self::Type, TemplateChild<T>>
) where
    T: ObjectType + FromGlibPtrNone<*mut <T as ObjectType>::GlibType>, 
fn set_css_name(&mut self, name: &str)
fn set_css_name(&mut self, name: &str)
Available on crate feature 
v3_20 only.