Struct TemplateCallbacks 

pub struct TemplateCallbacks {}

Struct used as a collection of GTK template callbacks.

Implementations

impl TemplateCallbacks

pub fn string_not_empty(string: Option<&str>) -> bool

Returns true when the given string is not empty.

pub fn unwrap_string_or_empty(string: Option<&str>) -> &str

Returns the contained string or an empty string.

pub fn object_is_some(obj: Option<&Object>) -> bool

Returns true when the given Option<glib::Object> is Some.

pub fn invert_boolean(boolean: bool) -> bool

Inverts the given boolean.

pub fn guint_is_zero(u: u32) -> bool

Whether the given guint is equal to zero.

pub fn logical_and(lhs: bool, rhs: bool) -> bool

Returns logical AND of two boolean values.

pub fn logical_or(lhs: bool, rhs: bool) -> bool

Returns logical OR of two boolean values.

pub fn ternary_string(test: bool, positive: String, negative: String) -> String

String ternary operator returns one of the two arguments based on truth value of test.

Trait Implementations

impl CompositeTemplateCallbacks for TemplateCallbacks

const CALLBACKS: &'static [TemplateCallback]

fn bind_template_callbacks<T>(klass: &mut T)

where T: WidgetClassExt,

Binds the template callbacks from this type into the default template scope for klass.

fn bind_template_callbacks_prefixed<T>(klass: &mut T, prefix: &str)

where T: WidgetClassExt,

Binds the template callbacks from this type into the default template scope for klass, prepending prefix to each callback name.

fn add_callbacks_to_scope(scope: &BuilderRustScope)

Binds the template callbacks from this type into scope.

fn add_callbacks_to_scope_prefixed(scope: &BuilderRustScope, prefix: &str)

Binds the template callbacks from this type into scope, prepending prefix to each callback name.