[−][src]Macro gtk_test::observer_new
Create a new observer for signals.
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();
You can also give a block to the macro that will be called when the signal is 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, |w| { w.set_title("Caribou !"); }); window.emit_activate_focus(); observer.wait(); assert_title!(window, "Caribou !");