ctrlext.cpp

Visual C++ 实践与提高--数据库篇的源代码。很好的东西。欢迎下载。

// ctrlext.cpp : implementation file
//
// This is a part of the Microsoft Foundation Classes and
// Templates (MFC&T).
// Copyright (C) 1998 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// MFC&T Reference and related electronic documentation provided
// with the library.  See these sources for detailed information
// regarding the MFC&T product.
//

#include "stdafx.h"
#include "ctrlext.h"

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


/////////////////////////////////////////////////////////////////////////////
// CTreeCursor

const CTreeCursor& CTreeCursor::operator =(const CTreeCursor& posSrc)
{
	if(&posSrc != this){
		m_hTreeItem = posSrc.m_hTreeItem;
		m_pTree = posSrc.m_pTree;
	}
	return *this;
}


CTreeCursor CTreeCursor::_Insert(LPCTSTR strItem,int nImageIndex,HTREEITEM hAfter)
{
	TV_INSERTSTRUCT ins;
	ins.hParent = m_hTreeItem;
	ins.hInsertAfter = hAfter;
	ins.item.mask = TVIF_TEXT;
	ins.item.pszText = (LPTSTR) strItem;
	if(nImageIndex != -1){
		ins.item.mask |= TVIF_IMAGE | TVIF_SELECTEDIMAGE;
		ins.item.iImage = nImageIndex;
		ins.item.iSelectedImage = nImageIndex;
	}
	return CTreeCursor(m_pTree->InsertItem(&ins), m_pTree);
}

int CTreeCursor::GetImageID()
{
	TV_ITEM item;
	item.mask = TVIF_HANDLE | TVIF_IMAGE;
	item.hItem = m_hTreeItem;
	m_pTree->GetItem(&item);
	return item.iImage;
}


/////////////////////////////////////////////////////////////////////////////
// CListCtrlEx

BOOL CListCtrlEx::AddColumn(LPCTSTR strItem,int nItem,int nSubItem,int nMask,int nFmt)
{
	LV_COLUMN lvc;
	lvc.mask = nMask;
	lvc.fmt = nFmt;
	lvc.pszText = (LPTSTR) strItem;
	lvc.cx = GetStringWidth(lvc.pszText) + 15;
	if(nMask & LVCF_SUBITEM){
		if(nSubItem != -1)
			lvc.iSubItem = nSubItem;
		else
			lvc.iSubItem = nItem;
	}
	return InsertColumn(nItem,&lvc);
}

BOOL CListCtrlEx::AddItem(int nItem,int nSubItem,LPCTSTR strItem,int nImageIndex)
{
	LV_ITEM lvItem;
	lvItem.mask = LVIF_TEXT;
	lvItem.iItem = nItem;
	lvItem.iSubItem = nSubItem;
	lvItem.pszText = (LPTSTR) strItem;
	if(nImageIndex != -1){
		lvItem.mask |= LVIF_IMAGE;
		lvItem.iImage |= LVIF_IMAGE;
	}
	if(nSubItem == 0)
		return InsertItem(&lvItem);
	return SetItem(&lvItem);
}


BEGIN_MESSAGE_MAP(CListCtrlEx, CListCtrl)
	//{{AFX_MSG_MAP(CListCtrlEx)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CListCtrlEx message handlers
/////////////////////////////////////////////////////////////////////////////
// CTreeCtrlEx

// All Handled by Inlines

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

/////////////////////////////////////////////////////////////////////////////
// CTreeCtrlEx message handlers