m_subject

[Boudewijn Rempt]

While working on tools again, I noticed that there's a private 

	KisCanvasSubject *m_subject;

in both kis_tool_non_paint and in its descendants, with 

	void KisToolColorPicker::update(KisCanvasSubject *subject)
	{
		super::update(subject);
		m_subject = subject;
	}

updating both the parent's member variable and the object's own m_subject. Is 
there a reason for that design -- i.e., is this preferable to making 
m_subject protected?

-- 
Boudewijn Rempt | http://www.valdyas.org/index2.html
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