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CListBox Class Reference

Listbox widget. More...

#include <CUI.h>

Inheritance diagram for CListBox::

List of all members.

Public Methods
	CListBox (int x, int y, int cols, int rows, Callback callback)
	Constructor. More...
	~CListBox ()
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...
void	insertItem (string caption)
string	getItem (int pos)
string	getCurItem ()
void	clear ()
virtual int	getMin ()
	Returns minimum value of the scroll region. More...
virtual int	getMax ()
	Returns maximum value of the scroll region. More...
virtual int	getPos ()
	Returns current position in the scroll region. More...
virtual void	setPos (int pos)
	Sets the current item/line to be selected. More...
virtual void	scrollUp ()
	Scrolls up one. More...
virtual void	scrollDown ()
	Scrolls down one. More...
Public Attributes
list< string >	m_list
Callback	m_callback
int	m_liststart
int	m_curpos

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Detailed Description

Listbox widget.

Listbox widget for displaying a bunch of items

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Constructor & Destructor Documentation

CListBox::CListBox (  int    x, int    y, int    cols, int    rows, Callback    callback )

Constructor. Parameters: x  X position on panel y  Y position on panel cols  Number of columns to display rows  Number of rows to display callback  Callback function to call when an item is selected

CListBox::~CListBox (    )

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Member Function Documentation

void CListBox::clear (    )

void CListBox::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.

string CListBox::getCurItem (    )

string CListBox::getItem (  int    pos )

int CListBox::getMax (    )  [virtual]

Returns maximum value of the scroll region. Reimplemented from CScrollable.

int CListBox::getMin (    )  [virtual]

Returns minimum value of the scroll region. Reimplemented from CScrollable.

int CListBox::getPos (    )  [virtual]

Returns current position in the scroll region. Reimplemented from CScrollable.

void CListBox::insertItem (  string    caption )

void CListBox::scrollDown (    )  [virtual]

Scrolls down one. Reimplemented from CScrollable.

void CListBox::scrollUp (    )  [virtual]

Scrolls up one. Reimplemented from CScrollable.

void CListBox::setPos (  int    pos )  [virtual]

Sets the current item/line to be selected. Reimplemented from CScrollable.

int CListBox::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.

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Member Data Documentation

Callback CListBox::m_callback

int CListBox::m_curpos

list<string> CListBox::m_list

int CListBox::m_liststart

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

• CUI.h
• CUI.cpp

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