czbutton.cpp

一个水轮机调速的控制程序

// CzButton.cpp : implementation file
//

#include "stdafx.h"
#include "tsq.h"
#include "CzButton.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCzButton

CCzButton::CCzButton()
{
	m_Textbk=RGB(128,128,128);
}

CCzButton::~CCzButton()
{
}


BEGIN_MESSAGE_MAP(CCzButton, CButton)
	//{{AFX_MSG_MAP(CCzButton)
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	ON_WM_CTLCOLOR()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCzButton message handlers

void CCzButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) 
{
UINT uStyle = DFCS_BUTTONPUSH;

   // This code only works with buttons.
   ASSERT(lpDrawItemStruct->CtlType == ODT_BUTTON);

   // If drawing selected, add the pushed style to DrawFrameControl.
   if (lpDrawItemStruct->itemState & ODS_SELECTED)
      uStyle |= DFCS_PUSHED;
	CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
	CFont font;
	VERIFY(font.CreateFont(
   22,                        // nHeight
   0,                         // nWidth
   0,                         // nEscapement
   0,                         // nOrientation
   FW_NORMAL,                 // nWeight
   FALSE,                     // bItalic
   FALSE,                     // bUnderline
   0,                         // cStrikeOut
   DEFAULT_CHARSET,              // nCharSet
   OUT_DEFAULT_PRECIS,        // nOutPrecision
   CLIP_DEFAULT_PRECIS,       // nClipPrecision
	PROOF_QUALITY   ,// DEFAULT_QUALITY,           // nQuality
   VARIABLE_PITCH|FF_ROMAN,//DEFAULT_PITCH | FF_SWISS,  // nPitchAndFamily
   "楷体_GB2312"));                 // lpszFacename

	CFont* def_font = pDC->SelectObject(&font);
/*LOGBRUSH logBrush;
logBrush.lbStyle = BS_HATCHED;
logBrush.lbColor = RGB(0,200,0);
logBrush.lbHatch = HS_CROSS;*/

// Declare an uninitialized CBrush ...
//CBrush brush;
// ... and initialize it with the LOGBRUSH.
//brush.CreateBrushIndirect(&logBrush);
//brush.CreateSolidBrush(RGB(255,0,0));
//CBrush* pOldBrush = pDC->SelectObject(&brush);
   // Draw the button frame.
//CRect rect;
//rect=lpDrawItemStruct->rcItem;
//pDC->RoundRect(rect.left, rect.top, rect.Width(), rect.Height(), 2, 2);
//pDC->DrawFrameControl(&lpDrawItemStruct->rcItem,DFC_BUTTON, uStyle);
   ::DrawFrameControl(lpDrawItemStruct->hDC, &lpDrawItemStruct->rcItem, 
      DFC_BUTTON, uStyle);
//brush.DeleteObject();
//pDC->SelectObject(pOldBrush);
   // Get the button's text.
   CString strText;
   GetWindowText(strText);
   // Draw the button text using the text color red.
 // COLORREF crOldColor;
 //  if(m_bLBtnDown)pDC->SetTextColor(RGB(255,0,0));
	//	else pDC->SetTextColor(RGB(0,255,0));
    pDC->SetTextColor(m_Textbk);
    //crOldColor= ::SetTextColor(lpDrawItemStruct->hDC, RGB(255,0,0));
   ::DrawText(lpDrawItemStruct->hDC, strText, strText.GetLength(), 
      &lpDrawItemStruct->rcItem, DT_SINGLELINE|DT_VCENTER|DT_CENTER);
 //  ::SetTextColor(lpDrawItemStruct->hDC, crOldColor);
	pDC->SelectObject(def_font);	
}

void CCzButton::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
//	m_bLBtnDown=TRUE;
	CButton::OnLButtonDown(nFlags, point);
}

void CCzButton::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	m_bLBtnDown=FALSE;
	CButton::OnLButtonUp(nFlags, point);
}

void CCzButton::SetTxetBk(COLORREF rgb)
{
	m_Textbk=rgb;
}

HBRUSH CCzButton::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	HBRUSH hbr = CButton::OnCtlColor(pDC, pWnd, nCtlColor);
	
	// TODO: Change any attributes of the DC here
//if(nCtlColor==CTLCOLOR_EDIT)
//{	//	pDC->SetBkMode(TRANSPARENT);
//	pDC->SetBkColor(RGB(0,0,0));
    // 	HBRUSH B = CreateSolidBrush(RGB(200,0,0)); 
    // 	return (HBRUSH) B;
//}
	// TODO: Return a different brush if the default is not desired
	return hbr;
}