Method onEndFrame

src/fl/sensors/button.cpp.hpp:59–72

    : mButton(pin, strategy), mListener(this), mPressedLastFrame(false), mClickedThisFrame(false) {}

void Button::Listener::onEndFrame() {
    const bool pressed_curr_frame = mOwner->mButton.isPressed();
    const bool pressed_last_frame = mOwner->mPressedLastFrame;
    // Rising edge of isPressed() == one click event for this frame.
    // mClickedThisFrame must reflect only the current frame's transition;
    // callers (UIDropdown::Listener, UIButton::clickedCount edge counter)
    // rely on clicked() being transient, not latched.
    const bool clicked_this_frame = pressed_curr_frame && !pressed_last_frame;
    mOwner->mPressedLastFrame = pressed_curr_frame;
    mOwner->mClickedThisFrame = clicked_this_frame;
    if (clicked_this_frame) {
        mOwner->mOnClickCallbacks.invoke();
    }
}

Button::Listener::Listener(Button *owner) : mOwner(owner) {
    addToEngineEventsOnce();