FL_DISABLE_WARNING()

FL_DISABLE_WARNING_PUSH FL_DISABLE_WARNING

(

float-

equal

)

Definition at line 6 of file slider.cpp.hpp.

             {
 
UISlider::UISlider(const char *name, float value, float min, float max, float step) FL_NOEXCEPT
    : mImpl(name, value, min, max, step), mListener(this) {
    mListener.addToEngineEventsOnce();
}
 
void UISlider::setValue(float value) FL_NOEXCEPT {
    float oldValue = mImpl.value();
    mImpl.setValue(value);
    // Read back post-clamp value; only fire callbacks if the observable value
    // actually changed (avoids spurious notifications when caller passes an
    // out-of-range value that clamps back to the current value).
    float newValue = mImpl.value();
    if (newValue != oldValue) {
        mLastFrameValue = newValue;
        mLastFrameValueValid = true;
        // Invoke callbacks to notify listeners (including JavaScript components)
        mCallbacks.invoke(*this);
    }
}
 
void UISlider::Listener::onBeginFrame() FL_NOEXCEPT {
    UISlider &owner = *mOwner;
    if (!owner.mLastFrameValueValid) {
        owner.mLastFrameValue = owner.value();
        owner.mLastFrameValueValid = true;
        return;
    }
    float value = owner.value();
    if (value != owner.mLastFrameValue) {
        owner.mCallbacks.invoke(*mOwner);
        owner.mLastFrameValue = value;
    }
}
 
} // namespace fl

References FL_NOEXCEPT, max(), min(), fl::UISlider::Listener::onBeginFrame(), fl::UISlider::setValue(), fl::step(), and fl::type_rank< T >::value.

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