ScrollBar::Listener Class Referenceabstract

A class for receiving events from a ScrollBar. More...

Inheritance diagram for ScrollBar::Listener:

Public Member Functions

virtual ~Listener ()
 Destructor. More...
 
virtual void scrollBarMoved (ScrollBar *scrollBarThatHasMoved, double newRangeStart)=0
 Called when a ScrollBar is moved. More...
 

Detailed Description

A class for receiving events from a ScrollBar.

You can register a ScrollBar::Listener with a ScrollBar using the ScrollBar::addListener() method, and it will be called when the bar's position changes.

See also
ScrollBar::addListener, ScrollBar::removeListener

Constructor & Destructor Documentation

◆ ~Listener()

virtual ScrollBar::Listener::~Listener ( )
virtual

Destructor.

Member Function Documentation

◆ scrollBarMoved()

virtual void ScrollBar::Listener::scrollBarMoved ( ScrollBar scrollBarThatHasMoved,
double  newRangeStart 
)
pure virtual

Called when a ScrollBar is moved.

Parameters
scrollBarThatHasMovedthe bar that has moved
newRangeStartthe new range start of this bar

Implemented in Viewport.

Referenced by Viewport::getHorizontalScrollBar().


The documentation for this class was generated from the following file: