+ if ( !ok )
+ buf.Empty();
+
+ return buf;
+}
+
+wxString wxGetHostName()
+{
+ static const size_t hostnameSize = 257;
+
+ wxString buf;
+ bool ok = wxGetHostName(wxStringBuffer(buf, hostnameSize), hostnameSize);
+
+ if ( !ok )
+ buf.Empty();
+
+ return buf;
+}
+
+wxString wxGetFullHostName()
+{
+ static const size_t hostnameSize = 257;
+
+ wxString buf;
+ bool ok = wxGetFullHostName(wxStringBuffer(buf, hostnameSize), hostnameSize);
+
+ if ( !ok )
+ buf.Empty();
+
+ return buf;
+}
+
+wxString wxGetHomeDir()
+{
+ wxString home;
+ wxGetHomeDir(&home);
+
+ return home;
+}
+
+#if 0
+
+wxString wxGetCurrentDir()
+{
+ wxString dir;
+ size_t len = 1024;
+ bool ok;
+ do
+ {
+ ok = getcwd(dir.GetWriteBuf(len + 1), len) != NULL;
+ dir.UngetWriteBuf();
+
+ if ( !ok )
+ {
+ if ( errno != ERANGE )
+ {
+ wxLogSysError(_T("Failed to get current directory"));
+
+ return wxEmptyString;
+ }
+ else
+ {
+ // buffer was too small, retry with a larger one
+ len *= 2;
+ }
+ }
+ //else: ok
+ } while ( !ok );
+
+ return dir;
+}
+
+#endif // 0
+
+// ----------------------------------------------------------------------------
+// wxExecute
+// ----------------------------------------------------------------------------
+
+// wxDoExecuteWithCapture() helper: reads an entire stream into one array
+//
+// returns true if ok, false if error
+#if wxUSE_STREAMS
+static bool ReadAll(wxInputStream *is, wxArrayString& output)
+{
+ wxCHECK_MSG( is, false, _T("NULL stream in wxExecute()?") );
+
+ // the stream could be already at EOF or in wxSTREAM_BROKEN_PIPE state
+ is->Reset();
+
+ wxTextInputStream tis(*is);
+
+ bool cont = true;
+ while ( cont )
+ {
+ wxString line = tis.ReadLine();
+ if ( is->Eof() )
+ break;
+
+ if ( !*is )
+ {
+ cont = false;
+ }
+ else
+ {
+ output.Add(line);
+ }
+ }
+
+ return cont;
+}
+#endif // wxUSE_STREAMS
+
+// this is a private function because it hasn't a clean interface: the first
+// array is passed by reference, the second by pointer - instead we have 2
+// public versions of wxExecute() below
+static long wxDoExecuteWithCapture(const wxString& command,
+ wxArrayString& output,
+ wxArrayString* error,
+ int flags)
+{
+ // create a wxProcess which will capture the output
+ wxProcess *process = new wxProcess;
+ process->Redirect();
+
+ long rc = wxExecute(command, wxEXEC_SYNC | flags, process);
+
+#if wxUSE_STREAMS
+ if ( rc != -1 )
+ {
+ if ( !ReadAll(process->GetInputStream(), output) )
+ rc = -1;
+
+ if ( error )
+ {
+ if ( !ReadAll(process->GetErrorStream(), *error) )
+ rc = -1;
+ }
+
+ }
+#else
+ wxUnusedVar(output);
+ wxUnusedVar(error);
+#endif // wxUSE_STREAMS/!wxUSE_STREAMS
+
+ delete process;
+
+ return rc;
+}
+
+long wxExecute(const wxString& command, wxArrayString& output, int flags)
+{
+ return wxDoExecuteWithCapture(command, output, NULL, flags);
+}
+
+long wxExecute(const wxString& command,
+ wxArrayString& output,
+ wxArrayString& error,
+ int flags)
+{
+ return wxDoExecuteWithCapture(command, output, &error, flags);
+}
+
+// ----------------------------------------------------------------------------
+// Launch default browser
+// ----------------------------------------------------------------------------
+
+bool wxLaunchDefaultBrowser(const wxString& urlOrig, int flags)
+{
+ wxUnusedVar(flags);
+
+ // set the scheme of url to http if it does not have one
+ wxString url(urlOrig);
+ if ( !wxURI(url).HasScheme() )
+ url.Prepend(wxT("http://"));
+
+#if defined(__WXMSW__)
+
+#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, url.BeforeFirst(':') + _T("\\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(__WXMAC__)
+ OSStatus err;
+ ICInstance inst;
+ SInt32 startSel;
+ SInt32 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;
+ }
+#elif wxUSE_MIMETYPE
+ // Non-windows way
+ bool ok = false;
+ wxString cmd;
+
+ wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(_T("html"));
+ if ( ft )
+ {
+ wxString mt;
+ ft->GetMimeType(&mt);
+
+ ok = ft->GetOpenCommand(&cmd, wxFileType::MessageParameters(url));
+ delete ft;
+ }
+
+ if ( !ok || cmd.empty() )
+ {
+ // fallback to checking for the BROWSER environment variable
+ cmd = wxGetenv(wxT("BROWSER"));
+ if ( !cmd.empty() )
+ cmd << _T(' ') << url;
+ }
+
+ ok = ( !cmd.empty() && wxExecute(cmd) );
+ if (ok)
+ return ok;
+
+ // no file type for HTML extension
+ wxLogError(_T("No default application configured for HTML files."));
+
+#endif // !wxUSE_MIMETYPE && !__WXMSW__
+
+ wxLogSysError(_T("Failed to open URL \"%s\" in default browser."),
+ url.c_str());
+
+ return false;
+}
+
+// ----------------------------------------------------------------------------
+// wxApp::Yield() wrappers for backwards compatibility
+// ----------------------------------------------------------------------------
+
+bool wxYield()
+{
+ return wxTheApp && wxTheApp->Yield();
+}
+
+bool wxYieldIfNeeded()
+{
+ return wxTheApp && wxTheApp->Yield(true);
+}
+
+#endif // wxUSE_BASE
+
+// ============================================================================
+// GUI-only functions from now on
+// ============================================================================
+
+#if wxUSE_GUI
+
+// Id generation
+static long wxCurrentId = 100;
+
+long wxNewId()
+{
+ // skip the part of IDs space that contains hard-coded values:
+ if (wxCurrentId == wxID_LOWEST)
+ wxCurrentId = wxID_HIGHEST + 1;
+
+ return wxCurrentId++;
+}
+
+long
+wxGetCurrentId(void) { return wxCurrentId; }
+
+void
+wxRegisterId (long id)
+{
+ if (id >= wxCurrentId)
+ wxCurrentId = id + 1;
+}
+
+// ----------------------------------------------------------------------------
+// Menu accelerators related functions
+// ----------------------------------------------------------------------------
+
+wxChar *wxStripMenuCodes(const wxChar *in, wxChar *out)
+{
+#if wxUSE_MENUS
+ wxString s = wxMenuItem::GetLabelFromText(in);
+#else
+ wxString str(in);
+ wxString s = wxStripMenuCodes(str);
+#endif // wxUSE_MENUS
+ if ( out )
+ {
+ // go smash their buffer if it's not big enough - I love char * params
+ memcpy(out, s.c_str(), s.length() * sizeof(wxChar));
+ }
+ else
+ {
+ // MYcopystring - for easier search...
+ out = new wxChar[s.length() + 1];
+ wxStrcpy(out, s.c_str());
+ }
+
+ return out;
+}
+
+wxString wxStripMenuCodes(const wxString& in, int flags)
+{
+ wxASSERT_MSG( flags, _T("this is useless to call without any flags") );
+
+ wxString out;
+
+ size_t len = in.length();
+ out.reserve(len);
+
+ for ( size_t n = 0; n < len; n++ )
+ {
+ wxChar ch = in[n];
+ if ( (flags & wxStrip_Mnemonics) && ch == _T('&') )
+ {
+ // skip it, it is used to introduce the accel char (or to quote
+ // itself in which case it should still be skipped): note that it
+ // can't be the last character of the string
+ if ( ++n == len )
+ {
+ wxLogDebug(_T("Invalid menu string '%s'"), in.c_str());
+ }
+ else
+ {
+ // use the next char instead
+ ch = in[n];
+ }
+ }
+ else if ( (flags & wxStrip_Accel) && ch == _T('\t') )
+ {
+ // everything after TAB is accel string, exit the loop
+ break;
+ }
+
+ out += ch;
+ }
+
+ return out;
+}
+
+// ----------------------------------------------------------------------------
+// Window search functions
+// ----------------------------------------------------------------------------
+
+/*
+ * If parent is non-NULL, look through children for a label or title
+ * matching the specified string. If NULL, look through all top-level windows.
+ *
+ */
+
+wxWindow *
+wxFindWindowByLabel (const wxString& title, wxWindow * parent)
+{
+ return wxWindow::FindWindowByLabel( title, parent );
+}
+
+
+/*
+ * If parent is non-NULL, look through children for a name
+ * matching the specified string. If NULL, look through all top-level windows.
+ *
+ */
+
+wxWindow *
+wxFindWindowByName (const wxString& name, wxWindow * parent)
+{
+ return wxWindow::FindWindowByName( name, parent );
+}
+
+// Returns menu item id or wxNOT_FOUND if none.
+int
+wxFindMenuItemId (wxFrame * frame, const wxString& menuString, const wxString& itemString)
+{
+#if wxUSE_MENUS
+ wxMenuBar *menuBar = frame->GetMenuBar ();
+ if ( menuBar )
+ return menuBar->FindMenuItem (menuString, itemString);
+#endif // wxUSE_MENUS
+
+ return wxNOT_FOUND;
+}
+
+// Try to find the deepest child that contains 'pt'.
+// We go backwards, to try to allow for controls that are spacially
+// within other controls, but are still siblings (e.g. buttons within
+// static boxes). Static boxes are likely to be created _before_ controls
+// that sit inside them.
+wxWindow* wxFindWindowAtPoint(wxWindow* win, const wxPoint& pt)
+{
+ if (!win->IsShown())
+ return NULL;
+
+ // Hack for wxNotebook case: at least in wxGTK, all pages
+ // claim to be shown, so we must only deal with the selected one.
+#if wxUSE_NOTEBOOK
+ if (win->IsKindOf(CLASSINFO(wxNotebook)))
+ {
+ wxNotebook* nb = (wxNotebook*) win;
+ int sel = nb->GetSelection();
+ if (sel >= 0)
+ {
+ wxWindow* child = nb->GetPage(sel);
+ wxWindow* foundWin = wxFindWindowAtPoint(child, pt);
+ if (foundWin)
+ return foundWin;
+ }
+ }
+#endif
+
+ wxWindowList::compatibility_iterator node = win->GetChildren().GetLast();
+ while (node)
+ {
+ wxWindow* child = node->GetData();
+ wxWindow* foundWin = wxFindWindowAtPoint(child, pt);
+ if (foundWin)
+ return foundWin;
+ node = node->GetPrevious();
+ }
+
+ wxPoint pos = win->GetPosition();
+ wxSize sz = win->GetSize();
+ if ( !win->IsTopLevel() && win->GetParent() )
+ {
+ pos = win->GetParent()->ClientToScreen(pos);
+ }
+
+ wxRect rect(pos, sz);
+ if (rect.Inside(pt))
+ return win;
+
+ return NULL;
+}
+
+wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt)
+{
+ // Go backwards through the list since windows
+ // on top are likely to have been appended most
+ // recently.
+ wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetLast();
+ while (node)
+ {
+ wxWindow* win = node->GetData();
+ wxWindow* found = wxFindWindowAtPoint(win, pt);
+ if (found)
+ return found;
+ node = node->GetPrevious();
+ }
+ return NULL;
+}
+
+// ----------------------------------------------------------------------------
+// GUI helpers
+// ----------------------------------------------------------------------------
+
+/*
+ * N.B. these convenience functions must be separate from msgdlgg.cpp, textdlgg.cpp
+ * since otherwise the generic code may be pulled in unnecessarily.
+ */
+
+#if wxUSE_MSGDLG
+
+int wxMessageBox(const wxString& message, const wxString& caption, long style,