gridurlcell.cpp

功能非常齐全的GridControl,能对窗体中显示数据库数据的表格进行多种操作.

// GridURLCell.cpp: implementation of the CGridURLCell class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "GridURLCell.h"

IMPLEMENT_DYNCREATE(CGridURLCell, CGridCell)

#ifndef _WIN32_WCE
HCURSOR CGridURLCell::g_hLinkCursor = NULL;
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CGridURLCell::CGridURLCell()
{
#ifndef _WIN32_WCE
    g_hLinkCursor = GetHandCursor();
#endif
}

CGridURLCell::~CGridURLCell()
{

}

BOOL CGridURLCell::Draw(CDC* pDC, int nRow, int nCol, CRect rect, BOOL bEraseBkgnd)
{
    SetTextClr(RGB(0,0,255));

    return CGridCell::Draw(pDC, nRow, nCol, rect, bEraseBkgnd);
}

#pragma warning(disable:4100)
BOOL CGridURLCell::Edit(int nRow, int nCol, CRect rect, CPoint point, UINT nID, UINT nChar)
{
    return FALSE;
}
#pragma warning(default:4100)

void CGridURLCell::OnClick(CPoint /*PointCellRelative*/)
{
    CString str = GetText();
    if (str.Left(7) != _T("http://") && str.Left(7) != _T("mailto:") && str.Left(6) != _T("ftp://") )
        str = _T("http://") + str;

#ifndef _WIN32_WCE
    ShellExecute(NULL, _T("open"), str, NULL,NULL, SW_SHOW);
#endif
}

// Return TRUE if you set the cursor
BOOL CGridURLCell::OnSetCursor()
{
#ifdef _WIN32_WCE
    return CGridCell::OnSetCursor();
#else
    SetCursor(g_hLinkCursor);
    return TRUE;
#endif
}

#ifndef _WIN32_WCE
HCURSOR CGridURLCell::GetHandCursor()
{
	if (g_hLinkCursor == NULL)		// No cursor handle - load our own
	{
        // Get the windows directory
		CString strWndDir;
		GetWindowsDirectory(strWndDir.GetBuffer(MAX_PATH), MAX_PATH);
		strWndDir.ReleaseBuffer();

		strWndDir += _T("\\winhlp32.exe");
		// This retrieves cursor #106 from winhlp32.exe, which is a hand pointer
		HMODULE hModule = LoadLibrary(strWndDir);
		if( hModule )
		{
			HCURSOR hHandCursor = ::LoadCursor(hModule, MAKEINTRESOURCE(106));
			if( hHandCursor )
			{
				g_hLinkCursor = CopyCursor(hHandCursor);
			}
		}
		FreeLibrary(hModule);
	}

	return g_hLinkCursor;
}
#endif