key_held()

MAYAFLUX_API Vruta::Event MayaFlux::Kriya::key_held	(	std::shared_ptr< Core::Window >	window,
		IO::Keys	key,
		std::function< void()>	callback
	)

Creates an Event coroutine that triggers on key press and repeats while held.

Fires the callback on initial press and on each repeat tick until the key is released. Suspends between ticks; does not spin.

Parameters

window	Window to listen to.
key	Key to wait for.
callback	Called on press and each repeat tick.

Returns

Event coroutine that can be added to EventManager.

Definition at line 54 of file InputEvents.cpp.

{
    auto& promise = co_await GetEventPromise {};
    auto& source = window->get_event_source();
 
    Vruta::WindowEventFilter filter;
    filter.key_code = key;
 
    while (true) {
        if (promise.should_terminate)
            break;
 
        auto ev = co_await WindowEventAwaiter(source, filter);
 
        if (ev.type == Core::WindowEventType::KEY_RELEASED) {
            continue;
        }
 
        callback();
    }
}

References MayaFlux::Vruta::WindowEventFilter::key_code, and MayaFlux::Core::KEY_RELEASED.

Referenced by MayaFlux::Nexus::Wiring::finalise(), and MayaFlux::Portal::Forma::Context::on_held().

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