Custom View Modifiers

To create a set of custom view modifiers, first declare a trait with the desired modifier functions. The modifier functions must take self by value and return Self.

pub trait CustomModifiers:  {
    fn title(self) -> Self;
}

Next, we can implement the custom modifiers for all views like so:

impl<'a, V: View> CustomModifiers for Handle<'a, V> {
    fn title(self) -> Self {
        self.font_size(24.0).font_weight(FontWeightKeyword::Bold)
    }
}

Sometimes it may be more appropriate to implement the custom modifiers for specific views. For example, we can implement the custom modifiers just the Label view like so:

impl<'a> CustomModifiers for Handle<'a, Label> {
    fn title(self) -> Self {
        self.font_size(24.0).font_weight(FontWeightKeyword::Bold)
    }
}

As long as CustomModifiers is imported we can then use the custom title() modifier like any other modifier on a label:

Label::new("Some Kind of Title").title();