-#if wxUSE_IPC
- if ( flags & wxBROWSER_NEW_WINDOW )
- {
- // ShellExecuteEx() opens the URL in an existing window by default so
- // we can't use it if we need a new window
- wxRegKey key(wxRegKey::HKCR, uri.GetScheme() + _T("\\shell\\open"));
- if ( !key.Exists() )
- {
- // try default browser, it must be registered at least for http URLs
- key.SetName(wxRegKey::HKCR, _T("http\\shell\\open"));
- }
-
- if ( key.Exists() )
- {
- wxRegKey keyDDE(key, wxT("DDEExec"));
- if ( keyDDE.Exists() )
- {
- const wxString ddeTopic = wxRegKey(keyDDE, wxT("topic"));
-
- // we only know the syntax of WWW_OpenURL DDE request for IE,
- // optimistically assume that all other browsers are compatible
- // with it
- wxString ddeCmd;
- bool ok = ddeTopic == wxT("WWW_OpenURL");
- if ( ok )
- {
- ddeCmd = keyDDE.QueryDefaultValue();
- ok = !ddeCmd.empty();
- }
-
- if ( ok )
- {
- // for WWW_OpenURL, the index of the window to open the URL
- // in is -1 (meaning "current") by default, replace it with
- // 0 which means "new" (see KB article 160957)
- ok = ddeCmd.Replace(wxT("-1"), wxT("0"),
- false /* only first occurence */) == 1;
- }
-
- if ( ok )
- {
- // and also replace the parameters: the topic should
- // contain a placeholder for the URL
- ok = ddeCmd.Replace(wxT("%1"), url, false) == 1;
- }
-
- if ( ok )
- {
- // try to send it the DDE request now but ignore the errors
- wxLogNull noLog;
-
- const wxString ddeServer = wxRegKey(keyDDE, wxT("application"));
- if ( wxExecuteDDE(ddeServer, ddeTopic, ddeCmd) )
- return true;
-
- // this is not necessarily an error: maybe browser is
- // simply not running, but no matter, in any case we're
- // going to launch it using ShellExecuteEx() below now and
- // we shouldn't try to open a new window if we open a new
- // browser anyhow
- }
- }
- }
- }
-#endif // wxUSE_IPC
-
- WinStruct<SHELLEXECUTEINFO> sei;
- sei.lpFile = url.c_str();
- sei.lpVerb = _T("open");
- sei.nShow = SW_SHOWNORMAL;
-
- ::ShellExecuteEx(&sei);
-
- const int nResult = (int) sei.hInstApp;
-
- // Firefox returns file not found for some reason, so make an exception
- // for it
- if ( nResult > 32 || nResult == SE_ERR_FNF )
- {
-#ifdef __WXDEBUG__
- // Log something if SE_ERR_FNF happens
- if ( nResult == SE_ERR_FNF )
- wxLogDebug(wxT("SE_ERR_FNF from ShellExecute -- maybe FireFox?"));
-#endif // __WXDEBUG__
- return true;
- }
-#elif defined(__WXCOCOA__)
- // NOTE: We need to call the real implementation from src/cocoa/utils.mm
- // because the code must use Objective-C features.
- return wxCocoaLaunchDefaultBrowser(url, flags);
-#elif defined(__WXMAC__)
- OSStatus err;
- ICInstance inst;
- long int startSel;
- long int endSel;
-
- err = ICStart(&inst, 'STKA'); // put your app creator code here
- if (err == noErr)
- {
-#if !TARGET_CARBON
- err = ICFindConfigFile(inst, 0, NULL);
-#endif
- if (err == noErr)
- {
- ConstStr255Param hint = 0;
- startSel = 0;
- endSel = url.length();
- err = ICLaunchURL(inst, hint, url.fn_str(), endSel, &startSel, &endSel);
- if (err != noErr)
- wxLogDebug(wxT("ICLaunchURL error %d"), (int) err);
- }
- ICStop(inst);
- return true;
- }
- else
- {
- wxLogDebug(wxT("ICStart error %d"), (int) err);
- return false;
- }