skinhead.cpp

WinCE 下实现Listctrl自画

// Head.cpp : implementation file
//

#include "stdafx.h"
#include "SkinHead.h"
#include "ListView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CHead

CHead::CHead()
{
	m_bDoubleBuffer = TRUE;
	m_cr3DFace=::GetSysColor(COLOR_3DFACE);
	m_cr3DHighLight=::GetSysColor(COLOR_3DHIGHLIGHT);
	m_cr3DShadow=::GetSysColor(COLOR_3DSHADOW);
	m_crBtnText=::GetSysColor(COLOR_BTNTEXT);
}

CHead::~CHead()
{
}


BEGIN_MESSAGE_MAP(CHead, CHeaderCtrl)
	//{{AFX_MSG_MAP(CHead)
	ON_WM_ERASEBKGND()
	ON_WM_PAINT()
	ON_MESSAGE(HDM_LAYOUT, OnLayout)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CHead message handlers
void CHead::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
	ASSERT(FALSE); 
}
void CHead::DrawItem(CDC* pDC, CRect rect, LPHDITEM lphdi)
{
	int x=rect.left;
	ASSERT(lphdi->mask & HDI_FORMAT);
	CBitmap bmp;
	bmp.LoadBitmap(IDB_BMP_HEAD);
	BITMAP  bmpInfo;
	bmp.GetBitmap(&bmpInfo);
	CDC dcMem;
	dcMem.CreateCompatibleDC(pDC);
	CBitmap *pOldBitmap=dcMem.SelectObject(&bmp);
	pDC->StretchBlt(x,0,rect.Width()-1,rect.Height(),&dcMem,0,0,bmpInfo.bmWidth,bmpInfo.bmHeight,SRCCOPY);
	dcMem.SelectObject(pOldBitmap);
	DrawText(pDC, rect, lphdi);
}
void CHead::DrawCtrl(CDC *pDC)
{
	CRect RectClip;
	if(pDC->GetClipBox(RectClip)==ERROR)
		return;
	CRect RectClient,RectItem;
	GetClientRect(&RectClient);


	pDC->FillSolidRect(RectClip,m_cr3DFace);
	int iItems=GetItemCount();
	ASSERT(iItems>=0);
	CPen penHighLight(PS_SOLID,1,m_cr3DHighLight);
	CPen penShadow(PS_SOLID,1,m_cr3DShadow);
	CPen *pPen=pDC->GetCurrentPen();
    CFont font;
	font.CreatePointFont(10,_T("宋体"));
	pDC->SetBkColor(m_cr3DFace);
	pDC->SetTextColor(m_crBtnText);
	int iWidth=0;
	for(int i=0;i<iItems;i++)
	{
		int iItem=OrderToIndex(i);
		TCHAR	szText[FLATHEADER_TEXT_MAX];
		HDITEM hditem;
		hditem.mask=HDI_WIDTH|HDI_FORMAT|HDI_TEXT|HDI_IMAGE|HDI_BITMAP;
		hditem.pszText=szText;
		hditem.cchTextMax=sizeof(szText);
		VERIFY(GetItem(iItem, &hditem));
		VERIFY(GetItemRect(iItem, RectItem));
		if(RectItem.right>=RectItem.left||RectItem.left<=RectItem.right)
		{
			if(hditem.fmt & HDF_OWNERDRAW)
			{
				DRAWITEMSTRUCT disItem;
				disItem.CtlType = ODT_BUTTON;
				disItem.CtlID = GetDlgCtrlID();
				disItem.itemID = iItem;
				disItem.itemAction = ODA_DRAWENTIRE;
				disItem.itemState = 0;
				disItem.hwndItem = m_hWnd;
				disItem.hDC = pDC->m_hDC;
				disItem.rcItem = RectItem;
				disItem.itemData = 0;
			}
			else
			{
				CRect rect;
				this->GetItemRect(i,&rect);
				DrawItem(pDC, rect, &hditem);
			}
		}
		iWidth += hditem.cxy;
	}
	if (iWidth > 0)
	{
		RectClient.right = RectClient.left + iWidth;
		pDC->Draw3dRect(RectClient, m_cr3DHighLight, m_cr3DShadow);
	}
	pDC->SelectObject(font);
	pDC->SelectObject(pPen);
	penHighLight.DeleteObject();
	penShadow.DeleteObject();
}
int CHead::DrawText(CDC* pDC, CRect rect, LPHDITEM lphdi)
{
	CSize size;
	pDC->SetTextColor(RGB(255,0,255));
	pDC->SetBkMode(TRANSPARENT);
	CFont font;
	font.CreatePointFont(90,_T("宋体"),pDC);
	if (rect.Width() > 0 && lphdi->mask & HDI_TEXT && lphdi->fmt & HDF_STRING)
	{

		size = pDC->GetTextExtent(lphdi->pszText);
        CFont *pFont=pDC->SelectObject(&font);
		pDC->DrawText(lphdi->pszText, -1, rect, DT_CENTER|DT_END_ELLIPSIS|DT_SINGLELINE|DT_VCENTER);
	}
	size.cx = rect.Width()>size.cx ? size.cx:rect.Width();
	return size.cx>0 ? size.cx:0;
}
LRESULT CHead::OnLayout(WPARAM, LPARAM lParam)
{
	LPHDLAYOUT lphdlayout = (LPHDLAYOUT)lParam;

	if (m_bStaticBorder)
		lphdlayout->prc->right += GetSystemMetrics(SM_CXBORDER)*2;

	return CHeaderCtrl::DefWindowProc(HDM_LAYOUT, 0, lParam);
}

BOOL CHead::OnEraseBkgnd(CDC* pDC) 
{
	UNUSED_ALWAYS(pDC);
	return CHeaderCtrl::OnEraseBkgnd(pDC);
}

void CHead::OnPaint() 
{
	CPaintDC dc(this);
	if (m_bDoubleBuffer)
    {
        CMemDC MemDC(&dc);
        DrawCtrl(&MemDC);
    }
    else
        DrawCtrl(&dc);
}