OnMouseWheel

void CATWindow::OnMouseWheel ( const CATPOINT &  point, CATFloat32  wheelMove, CATMODKEY  modKey   ) [virtual] OnMouseWheel() is called when the mouse wheel is turned. If the mouse is over a control, then this function typically calls the control's TrackMouseWheel() function. Parameters: point  - location of mouse poitner wheelMove  - amount of wheel movement. Currently, 1 notch should be about 1.0 in distance. Positive is 'forward' or away from the user, negative is backwards or towards the user. modKey  - Key state modifiers for ctrl/shift/alt/etc. Definition at line 1014 of file CATWindow.cpp. References fMouseTrackTarget, CATGuiObj::GetHint(), CATControl::HitTest(), CATControl::OnMouseWheel(), OSShowToolTip(), OSUpdateToolTip(), SetStatusBarHint(), CATControl::TrackMouseWheel(), and WindowToWidget().

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