custbutton.cpp

用bcg库编写的java IDE 源码

// CustButton.cpp : implementation file
//

#include "stdafx.h"
#include "VisualJava.h"
#include "CustButton.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCustButton

CCustButton::CCustButton()
{
  m_szpData = _T("This is how it will look");
  m_nBkgrnd = RGB(0,0,0);
  m_nFrgrnd = RGB(255,255,255);
  m_nSize   = 100;
  m_pCurFont = NULL;
}

CCustButton::~CCustButton()
{
	delete m_pCurFont;
	m_pCurFont = NULL;
}


BEGIN_MESSAGE_MAP(CCustButton, CButton)
	//{{AFX_MSG_MAP(CCustButton)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCustButton message handlers

void CCustButton::PreSubclassWindow() 
{
	m_pCurFont = new CFont;
    m_pCurFont->CreatePointFont(m_nSize,"Times New Roman",GetDC());
	SetFont(m_pCurFont);	
	CButton::PreSubclassWindow();
}



void CCustButton::UpdateView(COLORREF bk, COLORREF fr, LPCTSTR szpFont,
								                                  int nSize)
{
   if(szpFont !=  NULL)
   {
	  delete m_pCurFont;
	  m_pCurFont = new CFont;
      m_pCurFont->CreatePointFont(nSize,szpFont);
	  SetFont(m_pCurFont);
   }

   m_nBkgrnd = bk;
   m_nFrgrnd = fr;
   RedrawWindow();
}


void CCustButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) 
{
     CDC dc;
     dc.Attach(lpDrawItemStruct->hDC);

     // Save these value to restore them when done drawing.
     COLORREF crOldTextColor = dc.SetTextColor(m_nFrgrnd);
     COLORREF crOldBkColor   = dc.SetBkColor(m_nBkgrnd);
	 CBrush brush;
	 brush.CreateSolidBrush(m_nBkgrnd);
	 //CBrush pOldBrush = dc.SelectObject(&brush);
	 dc.FillRect(&lpDrawItemStruct->rcItem,&brush);
     // Draw the text.
     dc.DrawText(
     m_szpData,
     strlen(m_szpData),
     &lpDrawItemStruct->rcItem,
     DT_CENTER|DT_SINGLELINE|DT_VCENTER);

     // Reset the background color and the text color back to their
     // original values.
     dc.SetTextColor(crOldTextColor);
     dc.SetBkColor(crOldBkColor);
     dc.Detach();	
}

void CCustButton::UpdateFont(LPCTSTR szpFont)
{
  delete m_pCurFont;
  m_pCurFont = new CFont;
  m_pCurFont->CreatePointFont(m_nSize,szpFont);
  SetFont(m_pCurFont);
  RedrawWindow();
}

void CCustButton::UpdateSize(int nSize)
{
  m_nSize = nSize;
  delete m_pCurFont;
  m_pCurFont = new CFont;
  m_pCurFont->CreatePointFont(m_nSize,m_szpFont);
  SetFont(m_pCurFont);
  RedrawWindow();
}

void CCustButton::UpdateBkgrnd(COLORREF nbkGrnd)
{
  m_nBkgrnd = nbkGrnd; RedrawWindow();
}

void CCustButton::UpdateFrgrnd(COLORREF nfrGrnd)
{
  m_nFrgrnd = nfrGrnd; RedrawWindow();
}

void CCustButton::UpdateBoth(COLORREF nfrGrnd,COLORREF nbkGrnd)
{
  m_nFrgrnd = nfrGrnd;
  m_nBkgrnd = nbkGrnd;
  RedrawWindow();
}