[−][src]Struct gtk_test::Observer
Used to wait for a widget's signal.
It's recommended to use it with the observer_new
macro.
Example:
extern crate gtk; #[macro_use] extern crate gtk_test; use gtk::GtkWindowExt; gtk::init().expect("initialization failed"); let window = gtk::Window::new(gtk::WindowType::Toplevel); let observer = observer_new!(window, connect_activate_focus, |_|); window.emit_activate_focus(); observer.wait();
Methods
impl Observer
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pub fn new() -> Observer
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Returns a new observer.
It's recommended to not use it directly as is but instead to use the observer_new
macro.
But anyway, here's an example using it as is:
extern crate gtk; #[macro_use] extern crate gtk_test; use gtk::GtkWindowExt; gtk::init().expect("GTK init failed"); let window = gtk::Window::new(gtk::WindowType::Toplevel); let observer = gtk_test::Observer::new(); let inner = observer.get_inner().clone(); window.connect_activate_focus(move |_| { *inner.borrow_mut() = true; }); window.emit_activate_focus(); observer.wait();
pub fn get_inner(&self) -> &Rc<RefCell<bool>>
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Returns the inner field. Just don't use it.
pub fn wait(&self)
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Wait for the signal to be triggered.
extern crate gtk; #[macro_use] extern crate gtk_test; use gtk::GtkWindowExt; gtk::init().expect("initialization failed"); let window = gtk::Window::new(gtk::WindowType::Toplevel); let observer = observer_new!(window, connect_activate_focus, |_|); window.emit_activate_focus(); observer.wait();
Auto Trait Implementations
Blanket Implementations
impl<T> From for T
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impl<T, U> Into for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom for T where
U: Into<T>,
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U: Into<T>,
type Error = !
🔬 This is a nightly-only experimental API. (
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T> Borrow for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> BorrowMut for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T, U> TryInto for T where
U: TryFrom<T>,
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U: TryFrom<T>,