statlink.cpp

一个modbus的编程库

//StatLink.cpp 

 ////////////////////////////////////////////////////////////////// 
 // CStaticLink 1997 Microsoft Systems Journal. 
 // If this program works, it was written by Paul DiLascia.
 // If not, I don't know who wrote it.
 // CStaticLink implements a static control that's a hyperlink
 // to any file on your desktop or web. You can use it in dialog boxes
 // to create hyperlinks to web sites. When clicked, opens the file/URL
 //
#include "StdAfx.h"
#include "resource.h"
 
 #ifdef _DEBUG
 #define new DEBUG_NEW
 #undef THIS_FILE
 static char THIS_FILE[] = __FILE__;
 #endif
 
 IMPLEMENT_DYNAMIC(CStaticLink, CStatic)
 
 BEGIN_MESSAGE_MAP(CStaticLink, CStatic)
	//{{AFX_MSG_MAP(CStaticLink)
	ON_WM_SETCURSOR()
	//}}AFX_MSG_MAP
     ON_WM_CTLCOLOR_REFLECT()
     ON_CONTROL_REFLECT(STN_CLICKED, OnClicked)
 END_MESSAGE_MAP()
 ///////////////////
 // Constructor sets default colors = blue/purple.
 //
 CStaticLink::CStaticLink()
 {
     m_colorUnvisited = RGB(0,0,255);       // blue
     m_colorVisited   = RGB(128,0,128);     // purple
     m_bVisited       = FALSE;              // not visited yet
	//{{AFX_DATA_INIT(CStaticLink)
	//}}AFX_DATA_INIT
 }
 //////////////////// Handle reflected WM_CTLCOLOR to set custom control color.
 // For a text control, use visited/unvisited colors and underline font.
 // For non-text controls, do nothing. Also ensures SS_NOTIFY is on.
 //
 HBRUSH CStaticLink::CtlColor(CDC* pDC, UINT nCtlColor)
 {
     ASSERT(nCtlColor == CTLCOLOR_STATIC);
     DWORD dwStyle = GetStyle();
     if (!(dwStyle & SS_NOTIFY)) {
         // Turn on notify flag to get mouse messages and STN_CLICKED.
         // Otherwise, I'll never get any mouse clicks!
         ::SetWindowLong(m_hWnd, GWL_STYLE, dwStyle | SS_NOTIFY);
     }
     
     HBRUSH hbr = NULL;
     if ((dwStyle & 0xFF) <= SS_RIGHT) {
 
         // this is a text control: set up font and colors
         if (!(HFONT)m_font) {
             // first time init: create font
             LOGFONT lf;
             GetFont()->GetObject(sizeof(lf), &lf);
             lf.lfUnderline = TRUE;
             m_font.CreateFontIndirect(&lf);
         }
 
         // use underline font and visited/unvisited colors
         pDC->SelectObject(&m_font);
         pDC->SetTextColor(m_bVisited ? m_colorVisited : m_colorUnvisited);
         pDC->SetBkMode(TRANSPARENT);
 
         // return hollow brush to preserve parent background color
         hbr = (HBRUSH)::GetStockObject(HOLLOW_BRUSH);
     }
     return hbr;
 }
 /////////////////
 // Handle mouse click: open URL/file.
 //
 void CStaticLink::OnClicked()
 {
     if (m_link.IsEmpty())         // if URL/filename not set..
         GetWindowText(m_link);    // ..get it from window text
 
     // Call ShellExecute to run the file.
     // For an URL, this means opening it in the browser.
     //
     HINSTANCE h = ShellExecute(NULL, "open", m_link, NULL, NULL, SW_SHOWNORMAL);
     if ((UINT)h > 32) {
         m_bVisited = TRUE;       // (not really--might not have found link)
         Invalidate();            // repaint to show visited color
     } else {
         MessageBeep(0);          // unable to execute file!
         TRACE(_T("*** WARNING: CStaticLink: unable to execute file %s\n"),
               (LPCTSTR)m_link);
     }
 }

BOOL CStaticLink::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) 
{
	// TODO: Add your message handler code here and/or call default
   //if (windowsVersion > windows2000)
   //{
   //   ::SetCursor(::LoadCursor(NULL, MAKEINTRESOURCE(32649)));//IDC_HAND));
   //   return (TRUE);
   //}
   //else
   {
      ::SetCursor(AfxGetApp()->LoadCursor(IDC_MYHANDCURSOR));//IDC_WAIT));
      return (TRUE);
   }
   
	return CStaticLink::OnSetCursor(pWnd, nHitTest, message);
}