coloredit.cpp

WinCE下的可更改背景颜色和字体颜色的编辑控件

// ColorEdit.cpp : implementation file
//

#include "stdafx.h"
#include "ColorEdit.h"
#include "Color.h" // File Holding (#define)'s for COLORREF Values

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CColorEdit

CColorEdit::CColorEdit()
{
	m_crBkColor = ::GetSysColor(COLOR_WINDOW); // Initializing background color to the system face color.
	m_crTextColor = BLACK; // Initializing text color to black
	m_brBkgnd.CreateSolidBrush(m_crBkColor); // Creating the Brush Color For the Edit Box Background
}

CColorEdit::~CColorEdit()
{
}


BEGIN_MESSAGE_MAP(CColorEdit, CEdit)
	//{{AFX_MSG_MAP(CColorEdit)
	ON_WM_CTLCOLOR_REFLECT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CColorEdit message handlers

void CColorEdit::SetTextColor(COLORREF crColor)
{
	m_crTextColor = crColor; // Passing the value passed by the dialog to the member varaible for Text Color
	RedrawWindow();
}

void CColorEdit::SetBkColor(COLORREF crColor)
{
	m_crBkColor = crColor; // Passing the value passed by the dialog to the member varaible for Backgound Color
	m_brBkgnd.DeleteObject(); // Deleting any Previous Brush Colors if any existed.
	m_brBkgnd.CreateSolidBrush(crColor); // Creating the Brush Color For the Edit Box Background
	RedrawWindow();
}



HBRUSH CColorEdit::CtlColor(CDC* pDC, UINT nCtlColor)
{
	HBRUSH hbr;
	hbr = (HBRUSH)m_brBkgnd; // Passing a Handle to the Brush
	pDC->SetBkColor(m_crBkColor); // Setting the Color of the Text Background to the one passed by the Dialog
	pDC->SetTextColor(m_crTextColor); // Setting the Text Color to the one Passed by the Dialog

	if (nCtlColor)       // To get rid of compiler warning
      nCtlColor += 0;

	return hbr;
}

BOOL CColorEdit::SetReadOnly(BOOL flag)
{
   if (flag == TRUE)
      SetBkColor(m_crBkColor);
   else
      SetBkColor(WHITE);

   return CEdit::SetReadOnly(flag);
}