Source code of Windows XP (NT5)
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// ChkLstCt.cpp : implementation file
//
#include "stdafx.h"
#include "certmap.h"
#include "ListRow.h"
#include "ChkLstCt.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__; #endif
/////////////////////////////////////////////////////////////////////////////
// CCheckListCtrl
//-----------------------------------------------------------------------------------
CCheckListCtrl::CCheckListCtrl() { // set the correct start drawing column
m_StartDrawingCol = 1; }
//-----------------------------------------------------------------------------------
CCheckListCtrl::~CCheckListCtrl() { }
//-----------------------------------------------------------------------------------
BEGIN_MESSAGE_MAP(CCheckListCtrl, CListSelRowCtrl) //{{AFX_MSG_MAP(CCheckListCtrl)
// NOTE - the ClassWizard will add and remove mapping macros here.
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CCheckListCtrl message handlers
//-----------------------------------------------------------------------------------
void CCheckListCtrl::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) { CRect rcItem = lpDrawItemStruct->rcItem; CRect rcSection; UINT itemID = lpDrawItemStruct->itemID; BOOL f; CString sz; LV_COLUMN colData;
// setup the CDC object
CDC cdc; cdc.Attach( lpDrawItemStruct->hDC );
// clear the columnd buffer
ZeroMemory( &colData, sizeof(colData) ); colData.mask = LVCF_WIDTH;
// get the checkmark bitmap
// f = m_bitmapCheck.LoadBitmap( IDB_CHECK );
// First, we draw the "enabled" column Get the data
// for it first. If there is none, then we can skip it.
sz = GetItemText( itemID, 0 ); f = GetColumn( 0, &colData );
if ( !sz.IsEmpty() ) { // figure out the sectional rect
rcSection = rcItem; rcSection.left += 4; rcSection.top += 3;
rcSection.right = rcSection.left + 9; rcSection.bottom = rcSection.top + 9;
// draw the circle
cdc.Ellipse( &rcSection ); rcSection.DeflateRect(1, 1); cdc.Ellipse( &rcSection );
/*
// do all the necessary dc stuff
// Create a compatible memory DC
CDC memdc; f = memdc.CreateCompatibleDC( &cdc );
// Select the bitmap into the DC
CBitmap *poldbmp; poldbmp = memdc.SelectObject( &m_bitmapCheck );
// test
RECT r; r.left = r.top = 0; r.right = r.bottom = 7; memdc.Ellipse( &r ); memdc.InvertRect( &r );
// for readability...
int l = rcSection.left + 2; // left
int t = rcSection.top + 2; // top
int w = rcSection.right - rcSection.left; // width
int h = rcSection.bottom - rcSection.top; // height
// Copy (BitBlt) bitmap from memory DC to screen DC
f = cdc.BitBlt( l, t, w, h, &memdc, 0, 0, SRCCOPY ); // f = cdc.StretchBlt( l, t, w, h, &memdc, 0, 0, 7, 7, SRCCOPY );
// restore the old selected bitmap
memdc.SelectObject( poldbmp ); */ } // cleanup the CDC object
cdc.Detach();
// draw the rest of it
CListSelRowCtrl::DrawItem( lpDrawItemStruct ); }
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