mouse_scrolled()

MAYAFLUX_API Vruta::Event MayaFlux::Kriya::mouse_scrolled	(	std::shared_ptr< Core::Window >	window,
		std::function< void(double, double)>	callback
	)

Creates an Event coroutine that triggers on mouse scroll.

Parameters

window	Window to listen to
callback	Function to call on scroll with ScrollData

Returns

Event coroutine that can be added to EventManager

Example:

auto task = mouse_scrolled(window,
    [](double xoffset, double yoffset) {
        // Handle mouse scroll with offsets
    });

Definition at line 148 of file InputEvents.cpp.

{
    auto& promise = co_await GetEventPromise {};
    auto& source = window->get_event_source();
 
    Vruta::EventFilter filter;
    filter.event_type = Core::WindowEventType::MOUSE_SCROLLED;
 
    while (true) {
        if (promise.should_terminate) {
            break;
        }
 
        auto event = co_await EventAwaiter(source, filter);
 
        if (auto* scroll_data = std::get_if<Core::WindowEvent::ScrollData>(&event.data)) {
            callback(scroll_data->x_offset, scroll_data->y_offset);
        }
    }
}

References MayaFlux::Vruta::EventFilter::event_type, and MayaFlux::Core::MOUSE_SCROLLED.

Referenced by MayaFlux::on_scroll().

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