+#if wxUSE_GUI
+
+// ----------------------------------------------------------------------------
+// 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,
+ wxWindow *parent, int WXUNUSED(x), int WXUNUSED(y) )
+{
+ wxMessageDialog dialog(parent, message, caption, style);
+
+ int ans = dialog.ShowModal();
+ switch ( ans )
+ {
+ case wxID_OK:
+ return wxOK;
+ case wxID_YES:
+ return wxYES;
+ case wxID_NO:
+ return wxNO;
+ case wxID_CANCEL:
+ return wxCANCEL;
+ }
+
+ wxFAIL_MSG( _T("unexpected return code from wxMessageDialog") );
+
+ return wxCANCEL;
+}
+
+#endif // wxUSE_MSGDLG
+
+#if wxUSE_TEXTDLG
+
+wxString wxGetTextFromUser(const wxString& message, const wxString& caption,
+ const wxString& defaultValue, wxWindow *parent,
+ int x, int y, bool WXUNUSED(centre) )
+{
+ wxString str;
+ wxTextEntryDialog dialog(parent, message, caption, defaultValue, wxOK|wxCANCEL, wxPoint(x, y));
+ if (dialog.ShowModal() == wxID_OK)
+ {
+ str = dialog.GetValue();
+ }
+
+ return str;
+}
+
+wxString wxGetPasswordFromUser(const wxString& message,
+ const wxString& caption,
+ const wxString& defaultValue,
+ wxWindow *parent)
+{
+ wxString str;
+ wxTextEntryDialog dialog(parent, message, caption, defaultValue,
+ wxOK | wxCANCEL | wxTE_PASSWORD);
+ if ( dialog.ShowModal() == wxID_OK )
+ {
+ str = dialog.GetValue();
+ }
+
+ return str;
+}
+
+#endif // wxUSE_TEXTDLG
+
+#if wxUSE_COLOURDLG
+
+wxColour wxGetColourFromUser(wxWindow *parent, const wxColour& colInit)
+{
+ wxColourData data;
+ data.SetChooseFull(TRUE);
+ if ( colInit.Ok() )
+ {
+ data.SetColour((wxColour &)colInit); // const_cast
+ }
+
+ wxColour colRet;
+ wxColourDialog dialog(parent, &data);
+ if ( dialog.ShowModal() == wxID_OK )
+ {
+ colRet = dialog.GetColourData().GetColour();
+ }
+ //else: leave it invalid
+
+ return colRet;
+}
+
+#endif // wxUSE_COLOURDLG
+
+// ----------------------------------------------------------------------------
+// missing C RTL functions (FIXME shouldn't be here at all)
+// ----------------------------------------------------------------------------
+
+#ifdef __MWERKS__
+char *strdup(const char *s)
+{
+ return strcpy( (char*) malloc( strlen( s ) + 1 ) , s ) ;
+}
+
+int isascii( int c )
+{
+ return ( c >= 0 && c < 128 ) ;
+}
+#endif // __MWERKS__
+
+// ----------------------------------------------------------------------------
+// wxSafeYield and supporting functions
+// ----------------------------------------------------------------------------
+
+void wxEnableTopLevelWindows(bool enable)
+{
+ wxWindowList::Node *node;
+ for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() )
+ node->GetData()->Enable(enable);
+}
+
+wxWindowDisabler::wxWindowDisabler(wxWindow *winToSkip)
+{
+ // remember the top level windows which were already disabled, so that we
+ // don't reenable them later
+ m_winDisabled = NULL;
+
+ wxWindowList::Node *node;
+ for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() )
+ {
+ wxWindow *winTop = node->GetData();
+ if ( winTop == winToSkip )
+ continue;
+
+ if ( winTop->IsEnabled() )
+ {
+ winTop->Disable();
+ }
+ else
+ {
+ if ( !m_winDisabled )
+ {
+ m_winDisabled = new wxWindowList;
+ }
+
+ m_winDisabled->Append(winTop);
+ }
+ }
+}
+
+wxWindowDisabler::~wxWindowDisabler()
+{
+ wxWindowList::Node *node;
+ for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() )
+ {
+ wxWindow *winTop = node->GetData();
+ if ( !m_winDisabled || !m_winDisabled->Find(winTop) )
+ {
+ winTop->Enable();
+ }
+ //else: had been already disabled, don't reenable
+ }
+
+ delete m_winDisabled;
+}
+
+// Yield to other apps/messages and disable user input to all windows except
+// the given one
+bool wxSafeYield(wxWindow *win)
+{
+ wxWindowDisabler wd(win);
+
+ bool rc = wxYield();
+
+ return rc;
+}
+
+// ----------------------------------------------------------------------------
+// misc functions
+// ----------------------------------------------------------------------------
+
+// Don't synthesize KeyUp events holding down a key and producing KeyDown
+// events with autorepeat. On by default and always on in wxMSW. wxGTK version
+// in utilsgtk.cpp.
+#ifndef __WXGTK__
+bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
+{
+ return TRUE; // detectable auto-repeat is the only mode MSW supports
+}
+#endif // !wxGTK
+
+#endif // wxUSE_GUI
+
+const wxChar *wxGetInstallPrefix()
+{
+ wxString prefix;
+
+ if ( wxGetEnv(wxT("WX_PREFIX"), &prefix) )
+ return prefix.c_str();
+
+#ifdef wxINSTALL_PREFIX
+ return wxT(wxINSTALL_PREFIX);
+#else
+ return wxT("");
+#endif
+}
+
+wxString wxGetDataDir()
+{
+ wxString format = wxGetInstallPrefix();
+ format << wxFILE_SEP_PATH
+ << wxT("share") << wxFILE_SEP_PATH
+ << wxT("wx") << wxFILE_SEP_PATH
+ << wxT("%i.%i");
+ wxString dir;
+ dir.Printf(format.c_str(), wxMAJOR_VERSION, wxMINOR_VERSION);
+ return dir;
+}
+
+
+// ----------------------------------------------------------------------------
+// network and user id functions
+// ----------------------------------------------------------------------------
+
+// Get Full RFC822 style email address
+bool wxGetEmailAddress(wxChar *address, int maxSize)
+{
+ wxString email = wxGetEmailAddress();
+ if ( !email )
+ return FALSE;
+
+ wxStrncpy(address, email, maxSize - 1);
+ address[maxSize - 1] = wxT('\0');
+
+ return TRUE;
+}
+
+wxString wxGetEmailAddress()
+{
+ wxString email;
+
+ wxString host = wxGetFullHostName();
+ if ( !!host )
+ {
+ wxString user = wxGetUserId();
+ if ( !!user )
+ {
+ email << user << wxT('@') << host;
+ }
+ }
+
+ return email;
+}
+
+wxString wxGetUserId()
+{
+ static const int maxLoginLen = 256; // FIXME arbitrary number
+
+ wxString buf;
+ bool ok = wxGetUserId(buf.GetWriteBuf(maxLoginLen), maxLoginLen);
+ buf.UngetWriteBuf();
+
+ if ( !ok )
+ buf.Empty();
+
+ return buf;
+}
+
+wxString wxGetUserName()
+{
+ static const int maxUserNameLen = 1024; // FIXME arbitrary number
+
+ wxString buf;
+ bool ok = wxGetUserName(buf.GetWriteBuf(maxUserNameLen), maxUserNameLen);
+ buf.UngetWriteBuf();
+
+ if ( !ok )
+ buf.Empty();
+
+ return buf;
+}
+
+wxString wxGetHostName()
+{
+ static const size_t hostnameSize = 257;
+
+ wxString buf;
+ bool ok = wxGetHostName(buf.GetWriteBuf(hostnameSize), hostnameSize);
+
+ buf.UngetWriteBuf();
+
+ if ( !ok )
+ buf.Empty();
+
+ return buf;
+}
+
+wxString wxGetFullHostName()
+{
+ static const size_t hostnameSize = 257;
+
+ wxString buf;
+ bool ok = wxGetFullHostName(buf.GetWriteBuf(hostnameSize), hostnameSize);
+
+ buf.UngetWriteBuf();
+
+ 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
+// ----------------------------------------------------------------------------
+
+// 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)
+{
+#ifdef __WIN16__
+ wxFAIL_MSG("Sorry, this version of wxExecute not implemented on WIN16.");
+
+ return 0;
+#else // !Win16
+ // create a wxProcess which will capture the output
+ wxProcess *process = new wxProcess;
+ process->Redirect();
+
+ long rc = wxExecute(command, TRUE /* sync */, process);
+
+#if wxUSE_STREAMS
+ if ( rc != -1 )
+ {
+ wxInputStream* is = process->GetInputStream();
+ wxCHECK_MSG( is, -1, _T("if wxExecute() succeded, stream can't be NULL") );
+ wxTextInputStream tis(*is);
+
+ wxTextInputStream *tes = NULL;
+ wxInputStream *es = NULL;
+ if ( error )
+ {
+ es = process->GetErrorStream();
+
+ wxCHECK_MSG( es, -1, _T("stderr can't be NULL") );
+
+ tes = new wxTextInputStream(*es);
+ }
+
+ bool cont;
+ do
+ {
+ cont = FALSE;
+
+ if ( !is->Eof() && is->IsOk() )
+ {
+ wxString line = tis.ReadLine();
+ if ( is->LastError() )
+ break;
+
+ cont = TRUE;
+
+ output.Add(line);
+ }
+
+ if ( error && !es->Eof() && es->IsOk() )
+ {
+ wxString line = tes->ReadLine();
+ if ( es->LastError() )
+ break;
+
+ cont = TRUE;
+
+ error->Add(line);
+ }
+ }
+ while ( cont );
+
+ delete tes;
+ }
+#endif // wxUSE_STREAMS
+
+ delete process;
+
+ return rc;
+#endif // IO redirection supoprted
+}
+
+long wxExecute(const wxString& command, wxArrayString& output)
+{
+ return wxDoExecuteWithCapture(command, output, NULL);
+}
+
+long wxExecute(const wxString& command,
+ wxArrayString& output,
+ wxArrayString& error)
+{
+ return wxDoExecuteWithCapture(command, output, &error);
+}
+
+// ----------------------------------------------------------------------------
+// wxApp::Yield() wrappers for backwards compatibility
+// ----------------------------------------------------------------------------
+
+bool wxYield()
+{
+#if wxUSE_GUI
+ return wxTheApp && wxTheApp->Yield();
+#else
+ return FALSE;
+#endif
+}
+
+bool wxYieldIfNeeded()
+{
+#if wxUSE_GUI
+ return wxTheApp && wxTheApp->Yield(TRUE);
+#else
+ return FALSE;
+#endif
+}
+