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CScrollBar Class Reference

Scrollbar widget for scrolling any. More...

#include <CUI.h>

Inheritance diagram for CScrollBar::

List of all members.

Public Methods
	CScrollBar (int x, int y, int height, CScrollable *target)
	Constructor - Takes x pos, y pos, height, and the target object to scroll. More...
	~CScrollBar ()
	Destructor. More...
virtual int	update (CInputEvent *e)
	Update method - Recieves a CInputEvent, returns 1 if redraw is needed, 0 if not. More...
virtual void	draw (CGfxScreen *S)
	Draw method - The widget should draw itslelf to the passed CGfxScreen. More...
virtual void	setY (int y)
	Sets the y position of the widget. More...
void	updateTarget ()
Public Attributes
CScrollable *	m_target

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Detailed Description

Scrollbar widget for scrolling any.

A regular vertical scrollbar for scrolling any widget or object that impliments the CScrollable interface. Supports dragging, clicking, and paging.

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Constructor & Destructor Documentation

CScrollBar::CScrollBar (  int    x, int    y, int    height, CScrollable *    target )

Constructor - Takes x pos, y pos, height, and the target object to scroll.

CScrollBar::~CScrollBar (    )

Destructor.

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Member Function Documentation

void CScrollBar::draw (  CGfxScreen *    s )  [virtual]

Draw method - The widget should draw itslelf to the passed CGfxScreen. This will be called when the screen is being redrawn. The widget should draw itself using its m_x and m_y members as a starting co-ordinate. The drawing should be all on the passed CGfxScreen or the front lcd screen with libdj.TextScreen Reimplemented from CWidget.

void CScrollBar::setY (  int    y )  [virtual]

Sets the y position of the widget. Reimplemented from CWidget.

int CScrollBar::update (  CInputEvent *    e )  [virtual]

Update method - Recieves a CInputEvent, returns 1 if redraw is needed, 0 if not. All keyboard and mouse (stylus) events are sent to this function. If the widget wants to trap the events, it can, and must return 1 if the screen needs to be redrawn and 0 if it does not (ie nothing happened or the action did not change the screen) Reimplemented from CWidget.

void CScrollBar::updateTarget (    )

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Member Data Documentation

CScrollable* CScrollBar::m_target

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

• CUI.h
• CUI.cpp

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