cetitlebar.cpp

POCKET PC 2003系统下的CHM电子帮助文件阅读的源代码,值得一看.

// CeTitleBar.cpp : implementation file
//
#include "stdafx.h"
#include "resource.h"
#include "CeTitleBar.h"

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


//---------------------------------------------------------------------------
//
//	CCeTitleBar
//
//---------------------------------------------------------------------------


CCeTitleBar::CCeTitleBar()
:	m_nHeight	(17)
{
	LOGFONT	lf;
	long	nHeight;

	//
	// Create the option font
	//
	// Points  8 : -11
	//         9 : -12
	//		  10 : -13
	nHeight = -11;//(LONG)(-8 * pDC.GetDeviceCaps(LOGPIXELSY) / 72);

	lf.lfHeight			= nHeight;
	lf.lfWidth			= 0;
	lf.lfEscapement		= 0;
	lf.lfOrientation	= 0;
	lf.lfWeight			= FW_BOLD;
	lf.lfItalic			= FALSE;
	lf.lfUnderline		= FALSE;
	lf.lfStrikeOut		= 0;
	lf.lfCharSet		= ANSI_CHARSET;
	lf.lfOutPrecision	= OUT_DEFAULT_PRECIS;
	lf.lfClipPrecision	= CLIP_DEFAULT_PRECIS;
	lf.lfQuality		= DEFAULT_QUALITY;
	lf.lfPitchAndFamily = DEFAULT_PITCH | FF_SWISS;
	lstrcpy(lf.lfFaceName, TEXT("Tahoma"));
	m_fntDefault.CreateFontIndirect(&lf);
}


CCeTitleBar::~CCeTitleBar()
{
}


BEGIN_MESSAGE_MAP(CCeTitleBar, CControlBar)
	//{{AFX_MSG_MAP(CCeTitleBar)
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()


//---------------------------------------------------------------------------
//
//	CCeTitleBar interface to CControlBar
//
//---------------------------------------------------------------------------


// CCeTitleBar::OnUpdateCmdUI
//
//		Pure virtual from CControlBar.
//		Dummy implementation: not needed
//
void CCeTitleBar::OnUpdateCmdUI(CFrameWnd* pTarget, BOOL bDisableIfNoHndler)
{
}


// CCeTitleBar::CalcFixedLayout
//
//		Make sure the bar height is 17 pixels.
//
CSize CCeTitleBar::CalcFixedLayout(BOOL bStretch, BOOL bHorz)
{
	CSize		size(0,0);
	CFrameWnd*	pWnd = GetDockingFrame();

	if(pWnd)
	{
		CRect	rc;

		pWnd->GetClientRect(&rc);

		if(bHorz)
		{
			size.cx = rc.Width();
			size.cy = m_nHeight;
		}
	}
	return size;
}


// CCeTitleBar::CalcDynamicLayout
//
//		Make sure the bar height is 17 pixels.
//
CSize CCeTitleBar::CalcDynamicLayout(int nLength, DWORD nMode)
{
	CSize		size(0,0);
	CFrameWnd*	pWnd = GetDockingFrame();

	if(pWnd)
	{
		CRect	rc;

		pWnd->GetClientRect(&rc);

		size.cx = rc.Width();
		size.cy = m_nHeight;
	}
	return size;
}


//---------------------------------------------------------------------------
//
//	CCeTitleBar operations
//
//---------------------------------------------------------------------------


// CCeTitleBar::Create
//
//		Creates the letter bar
//
BOOL CCeTitleBar::Create(CWnd *pParentWnd, UINT nID)
{
	CRect	rc;

	m_dwStyle	= CBRS_BORDER_BOTTOM | CBRS_ALIGN_TOP;

	pParentWnd->GetClientRect(&rc);

	return CControlBar::Create(NULL, _T(""), WS_CHILD | WS_VISIBLE, 
				rc, pParentWnd, nID);
}

BOOL CCeTitleBar::CreateEx(CWnd *pParentWnd, UINT nID)
{
	CRect	rc;

	m_dwStyle	= CBRS_BORDER_BOTTOM | CBRS_ALIGN_TOP;

	pParentWnd->GetClientRect(&rc);
	rc.bottom=rc.top+m_nHeight;

	return CControlBar::Create(NULL, _T(""), WS_CHILD | WS_VISIBLE, 
				rc, pParentWnd, nID);
}

void CCeTitleBar::SetTitle(LPCTSTR pszTitle, BOOL bRepaint)
{
	m_strTitle = pszTitle;
	if(bRepaint)
		InvalidateRect(NULL);
}


void CCeTitleBar::SetTitle(UINT nStrID, BOOL bRepaint)
{
	m_strTitle.LoadString(nStrID);
	if(bRepaint)
		InvalidateRect(NULL);
}


//---------------------------------------------------------------------------
//
//	CCeTitleBar message handlers
//
//---------------------------------------------------------------------------


// CCeTitleBar::OnPaint
//
//		Paints the title
//
void CCeTitleBar::OnPaint() 
{
	CPaintDC	dc(this);
	CRect		rc;
	CFont*		pFont;
	CBrush		brshBack(RGB(255, 255, 255)),
			*	pBrsh;
	CPen		penNull(PS_NULL, 0, 0),
			*	pPen;
	int			nBkMode;
	COLORREF	crText(RGB(0, 0, 156)),
				crOld;

	GetClientRect(&rc);
	
	pBrsh = dc.SelectObject(&brshBack);
	pPen  = dc.SelectObject(&penNull);
	dc.Rectangle(&rc);

	dc.SelectObject(pBrsh);
	dc.SelectObject(pPen);

	dc.MoveTo(rc.left, rc.bottom - 1);
	dc.LineTo(rc.right, rc.bottom - 1);

	rc.left += 4;
	rc.top += 1;

	pFont	= dc.SelectObject(&m_fntDefault);
	nBkMode	= dc.SetBkMode(TRANSPARENT);
	crOld	= dc.SetTextColor(crText);

	dc.DrawText(m_strTitle, -1, &rc, DT_LEFT | DT_SINGLELINE);

	dc.SetTextColor(crOld);
	dc.SetBkMode(nBkMode);
	dc.SelectObject(pFont);
}