MouseWheelOperator
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class
MouseWheelOperator
: public HPS::Operator Public Types
Public Functions
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MouseWheelOperator
(ZoomType in_default_type = ZoomType::Accurate, HPS::ModifierKeys in_alternate_type_modifiers = HPS::ModifierKeys::KeyControl()) Constructor for MouseWheelOperator
Parameters: - in_default_type – The default zoom type for this operator.
- in_alternate_type_modifiers – The modifier button that, when pressed, will activate the zoom type opposite to that specified in in_default_type. Passing an empty ModifierKey object prevents the zoom type from being anything but what was specified in in_default_type.
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virtual void
OnModelAttached
() This function is called whenever a model is attached to the view that is attached to this operator. If no view is attached to this operator, this function will not be called.
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virtual bool
OnMouseWheel
(HPS::MouseState const &in_state) This function is called whenever HPS receives a MouseEvent that signals the mouse wheel was scrolled.
Parameters: in_state – A MouseState object describing the current mouse state. Returns: true if the input event was handled, false otherwise.
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virtual void
OnViewAttached
(HPS::View const &in_attached_view) This function is called whenever a view is attached to this operator.
Parameters: in_attached_view – The view attached to this operator.
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void
UpdateZoomLimit
() Call when scene bounds changes to update the mouse wheel zoom limit
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