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// HyperLink.cpp : implementation file
//
// HyperLink static control. Will open the default browser with the given URL
// when the user clicks on the link.
//
// Copyright (C) 1997 - 1999 Chris Maunder
// All rights reserved. May not be sold for profit.
//
// Thanks to P�l K. T�nder for auto-size and window caption changes.
//
// "GotoURL" function by Stuart Patterson
// As seen in the August, 1997 Windows Developer's Journal.
// Copyright 1997 by Miller Freeman, Inc. All rights reserved.
// Modified by Chris Maunder to use TCHARs instead of chars.
//
// "Default hand cursor" from Paul DiLascia's Jan 1998 MSJ article.
// These function have been borrowed from the article:
// http://www.codeproject.com/miscctrl/hyperlink.asp
#include "stdafx.h"
//#include "timeline.h"
#include "HyperEdit.h"
#include "atlconv.h" // for Unicode conversion - requires #include <afxdisp.h> // MFC OLE automation classes
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
void CHyperEdit::SetDefaultCursor()
{
if(m_hHandCursor == 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)
m_hHandCursor = CopyCursor(hHandCursor);
}
FreeLibrary(hModule);
}
}
LONG CHyperEdit::GetRegKey(HKEY key, LPCTSTR subkey, LPTSTR retdata)
{
HKEY hkey;
LONG retval = RegOpenKeyEx(key, subkey, 0, KEY_QUERY_VALUE, &hkey);
if (retval == ERROR_SUCCESS) {
long datasize = MAX_PATH;
TCHAR data[MAX_PATH];
RegQueryValue(hkey, NULL, data, &datasize);
lstrcpy(retdata,data);
RegCloseKey(hkey);
}
return retval;
}
void CHyperEdit::ReportError(int nError)
{
CString str;
switch (nError) {
case 0: str = "The operating system is out\nof memory or resources."; break;
case SE_ERR_PNF: str = "The specified path was not found."; break;
case SE_ERR_FNF: str = "The specified file was not found."; break;
case ERROR_BAD_FORMAT: str = "The .EXE file is invalid\n(non-Win32 .EXE or error in .EXE image)."; break;
case SE_ERR_ACCESSDENIED: str = "The operating system denied\naccess to the specified file."; break;
case SE_ERR_ASSOCINCOMPLETE: str = "The filename association is\nincomplete or invalid."; break;
case SE_ERR_DDEBUSY: str = "The DDE transaction could not\nbe completed because other DDE transactions\nwere being processed."; break;
case SE_ERR_DDEFAIL: str = "The DDE transaction failed."; break;
case SE_ERR_DDETIMEOUT: str = "The DDE transaction could not\nbe completed because the request timed out."; break;
case SE_ERR_DLLNOTFOUND: str = "The specified dynamic-link library was not found."; break;
case SE_ERR_NOASSOC: str = "There is no application associated\nwith the given filename extension."; break;
case SE_ERR_OOM: str = "There was not enough memory to complete the operation."; break;
case SE_ERR_SHARE: str = "A sharing violation occurred. ";
default: str.Format(_T("Unknown Error (%d) occurred."), nError); break;
}
str = "Unable to open hyperlink:\n\n" + str;
AfxMessageBox(str, MB_ICONEXCLAMATION | MB_OK);
}
HINSTANCE CHyperEdit::GotoURL(LPCTSTR url, int showcmd)
{
TCHAR key[MAX_PATH + MAX_PATH];
// First try ShellExecute()
HINSTANCE result = ShellExecute(NULL, _T("open"), url, NULL,NULL, showcmd);
// If it failed, get the .htm regkey and lookup the program
if ((UINT)result <= HINSTANCE_ERROR) {
if (GetRegKey(HKEY_CLASSES_ROOT, _T(".htm"), key) == ERROR_SUCCESS) {
lstrcat(key, _T("\\shell\\open\\command"));
if (GetRegKey(HKEY_CLASSES_ROOT,key,key) == ERROR_SUCCESS) {
TCHAR *pos;
pos = _tcsstr(key, _T("\"%1\""));
if (pos == NULL) { // No quotes found
pos = _tcsstr(key, _T("%1")); // Check for %1, without quotes
if (pos == NULL) // No parameter at all...
pos = key+lstrlen(key)-1;
else
*pos = '\0'; // Remove the parameter
}
else
*pos = '\0'; // Remove the parameter
lstrcat(pos, _T(" "));
lstrcat(pos, url);
USES_CONVERSION;
result = (HINSTANCE) WinExec(T2A(key),showcmd);
}
}
}
return result;
}
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