dropedit.cpp

软件用来观测和比较源yuv视频序列

// DropEdit.cpp : implementation file
//

#include "stdafx.h"
#include "yuvviewer.h"
#include "DropEdit.h"
#include <sys/types.h>
#include <sys/stat.h>

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

/////////////////////////////////////////////////////////////////////////////
// CDropEdit

CDropEdit::CDropEdit()
{
	m_bUseDir=FALSE;
}

CDropEdit::~CDropEdit()
{
}

BEGIN_MESSAGE_MAP(CDropEdit, CEdit)
//{{AFX_MSG_MAP(CDropEdit)
	ON_WM_DROPFILES()
	ON_WM_CREATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDropEdit message handlers

CString CDropEdit::ExpandShortcut(CString &inFile)
{
	CString outFile = "";
    ASSERT(inFile != _T(""));
    IShellLink* psl;
    HRESULT hres;
    LPTSTR lpsz = inFile.GetBuffer(MAX_PATH);
    hres = ::CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
        IID_IShellLink, (LPVOID*) &psl);
    if (SUCCEEDED(hres))
    {
        IPersistFile* ppf;
        hres = psl->QueryInterface(IID_IPersistFile, (LPVOID*) &ppf);
        if (SUCCEEDED(hres))
        {
            WORD wsz[MAX_PATH];
            ::MultiByteToWideChar(CP_ACP, 0, lpsz, -1, wsz, MAX_PATH);
            hres = ppf->Load(wsz, STGM_READ);
            if (SUCCEEDED(hres)) 
			{
				WIN32_FIND_DATA wfd;
				// find the path from that
				HRESULT hres = psl->GetPath(outFile.GetBuffer(MAX_PATH), 
					MAX_PATH,
					&wfd, 
					SLGP_UNCPRIORITY);
				outFile.ReleaseBuffer();
            }
            ppf->Release();
        }
        psl->Release();
    }
    inFile.ReleaseBuffer();
    return outFile;
}

void CDropEdit::OnDropFiles(HDROP hDropInfo) 
{
	
	// TODO: Add your message handler code here and/or call default
	WORD wNumFilesDropped = DragQueryFile(hDropInfo, -1, NULL, 0);
	CString firstFile="";
	for (WORD x = 0 ; x < wNumFilesDropped; x++) {
		WORD wPathnameSize = DragQueryFile(hDropInfo, x, NULL, 0);
		char * npszFile = (char *) LocalAlloc(LPTR, wPathnameSize += 1);
		if (npszFile == NULL) continue;
		DragQueryFile(hDropInfo, x, npszFile, wPathnameSize);
		if (firstFile=="")
			firstFile=npszFile;
		LocalFree(npszFile);
	}
	DragFinish(hDropInfo);
	CString expandedFile = ExpandShortcut(firstFile);
	if (expandedFile!="") 
		firstFile=expandedFile;
	struct _stat buf;
	int result = _stat( firstFile, &buf );
	if( result == 0 ) {
		if ((buf.st_mode & _S_IFDIR) == _S_IFDIR) {
			if (m_bUseDir)
				SetWindowText(firstFile);
		} else if ((buf.st_mode & _S_IFREG) == _S_IFREG) {
			if (!m_bUseDir)
				SetWindowText(firstFile);
		}
	}	
	CEdit::OnDropFiles(hDropInfo);
}

int CDropEdit::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CEdit::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here
	DragAcceptFiles(TRUE);
	return 0;
}