www.pudn.com > CbuttonListBoxDemo.zip > ButtonListBox.cpp

// ButtonListBox.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "ButtonListBox.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CButtonListBox 
 
CButtonListBox::CButtonListBox() 
{ 
} 
 
CButtonListBox::~CButtonListBox() 
{ 
	for(int i=0; i<= m_ButtonArray.GetUpperBound();i ++) 
		delete m_ButtonArray.ElementAt(i); 
} 
 
 
void CButtonListBox::AddItem(LPCTSTR ButtonText) 
{ 
	 
	CLedButton* pAddedButton; 
	static int count = 0; 
	CRect rect; 
	CRect ButtonRect; 
 
	count++; 
	GetClientRect( rect ); 
 
	pAddedButton = new CLedButton(ButtonText,this); 
	ButtonRect.SetRect( 0, 0, rect.Width(), (rect.Height() / NUMBER_OF_BUTTONS_IN_LIST_VIEW) ); 
	pAddedButton->Create( "", WS_CHILD|BS_OWNERDRAW, ButtonRect, this, 1001+count ); 
	 
	int AddedAt = m_ButtonArray.Add( pAddedButton ); 
	 
	//Adds a string and assigns nIndex the index of the current item 
	int nIndex = AddString( "" ); 
 
	// Set a hight for the data item 
	CListBox::SetItemHeight( nIndex, rect.Height() / NUMBER_OF_BUTTONS_IN_LIST_VIEW ); 
 
	//If no error, associates the index with the button 
	if( nIndex!=LB_ERR && nIndex!=LB_ERRSPACE ) 
		SetItemData( nIndex, (DWORD)m_ButtonArray.ElementAt(AddedAt) ); 
} 
 
 
BEGIN_MESSAGE_MAP(CButtonListBox, CListBox) 
	//{{AFX_MSG_MAP(CButtonListBox) 
	ON_WM_DRAWITEM_REFLECT() 
	ON_WM_ERASEBKGND() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CButtonListBox message handlers 
 
void CButtonListBox::PreSubclassWindow()  
{ 
	// TODO: Add your specialized code here and/or call the base class 
	 
	CListBox::PreSubclassWindow(); 
} 
 
void CButtonListBox::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)  
{ 
	CRect LedButtonRect = lpDrawItemStruct->rcItem;	//Gets the rect of the item 
	 
	CLedButton* pLedButton = reinterpret_cast(lpDrawItemStruct->itemData); 
	 
	if(!pLedButton) 
		return; 
	 
	pLedButton->MoveWindow(LedButtonRect); 
	pLedButton->CentreLED(); 
	pLedButton->ShowWindow( SW_SHOW ); 
 
} 
 
BOOL CButtonListBox::OnEraseBkgnd(CDC* pDC)  
{ 
	// Doing this speeds up drawing apparently 
	//return CWnd::OnEraseBkgnd(pDC); 
	return TRUE; 
} 
 
BOOL CButtonListBox::PreTranslateMessage(MSG* pMsg)  
{ 
	CLedButton* pButton = NULL; 
	CWnd* Parent = NULL; 
	CWnd* dispaly; 
	CString texts; 
 
	Parent = GetParent(); 
	if(pMsg->message == UM_BUTTON_CLICK) 
	{ 
		pButton = (CLedButton*)pMsg->lParam; 
		 
		pButton->GetLed()->SetLed(CLed::LED_COLOR_RED,CLed::LED_ON,CLed::LED_ROUND); 
		pButton->GetLed()->Flash(); 
		 
		if(Parent) 
		{ 
			dispaly = Parent->GetDlgItem(1002); 
			texts = pButton->GetButtonText(); 
			dispaly->SetWindowText(texts); 
		} 
	} 
 
	return CListBox::PreTranslateMessage(pMsg); 
}