X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0080691b20a6fb116b7936ba452b583950a7db3e..fa1c12bdd76acc21ddb45b90bb53b2f58aed946d:/src/common/utilscmn.cpp diff --git a/src/common/utilscmn.cpp b/src/common/utilscmn.cpp index 7b388e602b..9d0d3b771c 100644 --- a/src/common/utilscmn.cpp +++ b/src/common/utilscmn.cpp @@ -9,78 +9,104 @@ // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + #ifdef __GNUG__ -#pragma implementation "utils.h" + #pragma implementation "utils.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #ifndef WX_PRECOMP -#include "wx/defs.h" -#include "wx/utils.h" -#include "wx/window.h" -#include "wx/menu.h" -#include "wx/frame.h" -#include "wx/msgdlg.h" -#include "wx/textdlg.h" -#endif - -#include "wx/ioswrap.h" - -#if wxUSE_IOSTREAMH - #include -#else - #include + #include "wx/defs.h" + #include "wx/string.h" + #include "wx/utils.h" + #include "wx/intl.h" + #include "wx/log.h" + + #if wxUSE_GUI + #include "wx/app.h" + #include "wx/window.h" + #include "wx/frame.h" + #include "wx/menu.h" + #include "wx/msgdlg.h" + #include "wx/textdlg.h" + #include "wx/textctrl.h" // for wxTE_PASSWORD + #if wxUSE_ACCEL + #include "wx/menuitem.h" + #include "wx/accel.h" + #endif // wxUSE_ACCEL + #endif // wxUSE_GUI +#endif // WX_PRECOMP + +#ifndef __WIN16__ +#include "wx/process.h" +#include "wx/txtstrm.h" #endif #include #include #include #include + #if !defined(__WATCOMC__) #if !(defined(_MSC_VER) && (_MSC_VER > 800)) #include #endif #endif + +#if wxUSE_GUI + #include "wx/colordlg.h" + #include "wx/notebook.h" + #include "wx/frame.h" + #include "wx/statusbr.h" + #include "wx/toolbar.h" +#endif // wxUSE_GUI + #include + #ifndef __MWERKS__ -#include -#include + #include + #include #endif #ifdef __SALFORDC__ -#include -#endif - -// Pattern matching code. -// Yes, this path is deliberate (for Borland compilation) -#ifdef wx_mac /* MATTHEW: [5] Mac doesn't like paths with "/" */ -#include "glob.inc" -#else -#include "../common/glob.inc" + #include #endif #ifdef __WXMSW__ -#include "windows.h" + #include "wx/msw/private.h" #endif -#define _MAXPATHLEN 500 +// ---------------------------------------------------------------------------- +// function protoypes +// ---------------------------------------------------------------------------- + +#if wxUSE_GUI + static wxWindow *wxFindWindowByLabel1(const wxString& title, wxWindow *parent); + static wxWindow *wxFindWindowByName1 (const wxString& title, wxWindow *parent); +#endif // wxUSE_GUI -extern wxChar *wxBuffer; +// ============================================================================ +// implementation +// ============================================================================ // ---------------------------------------------------------------------------- -// private functions +// string functions // ---------------------------------------------------------------------------- -static wxWindow *wxFindWindowByLabel1(const wxString& title, wxWindow * parent); -static wxWindow *wxFindWindowByName1 (const wxString& title, wxWindow * parent); - -#ifdef __WXMAC__ +#if defined(__WXMAC__) && !defined(__DARWIN__) int strcasecmp(const char *str_1, const char *str_2) { register char c1, c2; @@ -109,8 +135,9 @@ int strncasecmp(const char *str_1, const char *str_2, size_t maxchar) return 0 ; } -#endif -#ifdef __VMS__ +#endif // __WXMAC__ && !__DARWIN__ + +#if defined( __VMS__ ) && ( __VMS_VER < 70000000 ) // we have no strI functions under VMS, therefore I have implemented // an inefficient but portable version: convert copies of strings to lowercase // and then use the normal comparison @@ -131,7 +158,7 @@ int strcasecmp(const char *str_1, const char *str_2) myLowerString(temp1); myLowerString(temp2); - int result = strcmp(temp1,temp2); + int result = wxStrcmp(temp1,temp2); delete[] temp1; delete[] temp2; @@ -153,9 +180,9 @@ int strncasecmp(const char *str_1, const char *str_2, size_t maxchar) return(result); } -#endif +#endif // __VMS__ -#ifdef __WINDOWS__ +#if defined(__WINDOWS__) && !defined(__WXMICROWIN__) #ifndef __GNUWIN32__ #ifndef __MWERKS__ @@ -168,6 +195,12 @@ int strncasecmp(const char *str_1, const char *str_2, size_t maxchar) #endif #else + +#ifdef __EMX__ +#define strcasecmp stricmp +#define strncasecmp strnicmp +#endif + // This declaration is missing in SunOS! // (Yes, I know it is NOT ANSI-C but its in BSD libc) #if defined(__xlC) || defined(__AIX__) || defined(__GNUG__) @@ -179,11 +212,15 @@ extern "C" #endif #endif /* __WXMSW__ */ +#ifdef __WXPM__ +#define strcasecmp stricmp +#define strncasecmp strnicmp +#endif wxChar * copystring (const wxChar *s) { - if (s == NULL) s = _T(""); + if (s == NULL) s = wxT(""); size_t len = wxStrlen (s) + 1; wxChar *news = new wxChar[len]; @@ -212,14 +249,14 @@ wxRegisterId (long id) } void -StringToFloat (wxChar *s, float *number) +StringToFloat (const wxChar *s, float *number) { if (s && *s && number) *number = (float) wxStrtod (s, (wxChar **) NULL); } void -StringToDouble (wxChar *s, double *number) +StringToDouble (const wxChar *s, double *number) { if (s && *s && number) *number = wxStrtod (s, (wxChar **) NULL); @@ -230,7 +267,6 @@ FloatToString (float number, const wxChar *fmt) { static wxChar buf[256]; -// sprintf (buf, "%.2f", number); wxSprintf (buf, fmt, number); return buf; } @@ -245,14 +281,14 @@ DoubleToString (double number, const wxChar *fmt) } void -StringToInt (wxChar *s, int *number) +StringToInt (const wxChar *s, int *number) { if (s && *s && number) *number = (int) wxStrtol (s, (wxChar **) NULL, 10); } void -StringToLong (wxChar *s, long *number) +StringToLong (const wxChar *s, long *number) { if (s && *s && number) *number = wxStrtol (s, (wxChar **) NULL, 10); @@ -263,7 +299,7 @@ IntToString (int number) { static wxChar buf[20]; - wxSprintf (buf, _T("%d"), number); + wxSprintf (buf, wxT("%d"), number); return buf; } @@ -272,29 +308,29 @@ LongToString (long number) { static wxChar buf[20]; - wxSprintf (buf, _T("%ld"), number); + wxSprintf (buf, wxT("%ld"), number); return buf; } // Array used in DecToHex conversion routine. -static wxChar hexArray[] = _T("0123456789ABCDEF"); +static wxChar hexArray[] = wxT("0123456789ABCDEF"); // Convert 2-digit hex number to decimal int wxHexToDec(const wxString& buf) { int firstDigit, secondDigit; - if (buf.GetChar(0) >= _T('A')) - firstDigit = buf.GetChar(0) - _T('A') + 10; + if (buf.GetChar(0) >= wxT('A')) + firstDigit = buf.GetChar(0) - wxT('A') + 10; else - firstDigit = buf.GetChar(0) - _T('0'); + firstDigit = buf.GetChar(0) - wxT('0'); - if (buf.GetChar(1) >= _T('A')) - secondDigit = buf.GetChar(1) - _T('A') + 10; + if (buf.GetChar(1) >= wxT('A')) + secondDigit = buf.GetChar(1) - wxT('A') + 10; else - secondDigit = buf.GetChar(1) - _T('0'); + secondDigit = buf.GetChar(1) - wxT('0'); - return firstDigit * 16 + secondDigit; + return (firstDigit & 0xF) * 16 + (secondDigit & 0xF ); } // Convert decimal integer to 2-character hex string @@ -317,7 +353,7 @@ wxString wxDecToHex(int dec) // Match a string INDEPENDENT OF CASE bool -StringMatch (char *str1, char *str2, bool subString, bool exact) +StringMatch (const char *str1, const char *str2, bool subString, bool exact) { if (str1 == NULL || str2 == NULL) return FALSE; @@ -357,7 +393,7 @@ StringMatch (char *str1, char *str2, bool subString, bool exact) // Return the current date/time // [volatile] -wxString wxNow( void ) +wxString wxNow() { time_t now = time((time_t *) NULL); char *date = ctime(&now); @@ -365,58 +401,72 @@ wxString wxNow( void ) return wxString(date); } -/* - * Strip out any menu codes - */ +#if wxUSE_GUI + +#if wxUSE_MENUS + +// ---------------------------------------------------------------------------- +// Menu accelerators related functions +// ---------------------------------------------------------------------------- -wxChar *wxStripMenuCodes (wxChar *in, wxChar *out) +wxChar *wxStripMenuCodes(const wxChar *in, wxChar *out) { - if (!in) - return (wxChar *) NULL; + wxString s = wxMenuItem::GetLabelFromText(in); + 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 + { + out = copystring(s); + } + + return out; +} - if (!out) - out = copystring(in); +wxString wxStripMenuCodes(const wxString& in) +{ + wxString out; - wxChar *tmpOut = out; + size_t len = in.length(); + out.reserve(len); - while (*in) + for ( size_t n = 0; n < len; n++ ) { - if (*in == _T('&')) + wxChar ch = in[n]; + if ( ch == _T('&') ) { - // Check && -> &, &x -> x - if (*++in == _T('&')) - *out++ = *in++; + // 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 (*in == _T('\t')) + else if ( ch == _T('\t') ) { - // Remove all stuff after \t in X mode, and let the stuff as is - // in Windows mode. - // Accelerators are handled in wx_item.cc for Motif, and are not - // YET supported in XView - break; + // everything after TAB is accel string, exit the loop + break; } - else - *out++ = *in++; - } // while - *out = _T('\0'); + out += ch; + } - return tmpOut; + return out; } -wxString wxStripMenuCodes(const wxString& str) -{ - wxChar *buf = new wxChar[str.Length() + 1]; - wxStripMenuCodes(WXSTRINGCAST str, buf); - wxString str1(buf); - delete[] buf; - return str1; -} +#endif // wxUSE_MENUS -/* - * Window search functions - * - */ +// ---------------------------------------------------------------------------- +// Window search functions +// ---------------------------------------------------------------------------- /* * If parent is non-NULL, look through children for a label or title @@ -459,7 +509,7 @@ wxFindWindowByLabel1 (const wxString& title, wxWindow * parent) if (parent) { - for ( wxNode * node = parent->GetChildren().GetFirst(); + for ( wxWindowList::Node * node = parent->GetChildren().GetFirst(); node; node = node->GetNext() ) { @@ -535,12 +585,106 @@ wxFindWindowByName1 (const wxString& title, wxWindow * parent) int wxFindMenuItemId (wxFrame * frame, const wxString& menuString, const wxString& itemString) { +#if wxUSE_MENUS wxMenuBar *menuBar = frame->GetMenuBar (); - if (!menuBar) - return -1; - return menuBar->FindMenuItem (menuString, itemString); + if ( menuBar ) + return menuBar->FindMenuItem (menuString, itemString); +#endif // wxUSE_MENUS + + return -1; } +// 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 (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; + } + } + /* Doesn't work + // Frame case + else if (win->IsKindOf(CLASSINFO(wxFrame))) + { + // Pseudo-children that may not be mentioned in the child list + wxWindowList extraChildren; + wxFrame* frame = (wxFrame*) win; + if (frame->GetStatusBar()) + extraChildren.Append(frame->GetStatusBar()); + if (frame->GetToolBar()) + extraChildren.Append(frame->GetToolBar()); + + wxNode* node = extraChildren.First(); + while (node) + { + wxWindow* child = (wxWindow*) node->Data(); + wxWindow* foundWin = wxFindWindowAtPoint(child, pt); + if (foundWin) + return foundWin; + node = node->Next(); + } + } + */ + + wxNode* node = win->GetChildren().Last(); + while (node) + { + wxWindow* child = (wxWindow*) node->Data(); + wxWindow* foundWin = wxFindWindowAtPoint(child, pt); + if (foundWin) + return foundWin; + node = node->Previous(); + } + + wxPoint pos = win->GetPosition(); + wxSize sz = win->GetSize(); + if (win->GetParent()) + { + pos = win->GetParent()->ClientToScreen(pos); + } + + wxRect rect(pos, sz); + if (rect.Inside(pt)) + return win; + else + return NULL; +} + +wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt) +{ + // Go backwards through the list since windows + // on top are likely to have been appended most + // recently. + wxNode* node = wxTopLevelWindows.Last(); + while (node) + { + wxWindow* win = (wxWindow*) node->Data(); + wxWindow* found = wxFindWindowAtPoint(win, pt); + if (found) + return found; + node = node->Previous(); + } + return NULL; +} + +#endif // wxUSE_GUI + /* On Fri, 21 Jul 1995, Paul Craven wrote: @@ -733,30 +877,20 @@ whereami(name) } #endif -void wxEnableTopLevelWindows(bool enable) -{ - wxWindowList::Node *node; - for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() ) - node->GetData()->Enable(enable); -} -// Yield to other apps/messages and disable user input -bool wxSafeYield(wxWindow *win) -{ - wxEnableTopLevelWindows(FALSE); - // always enable ourselves - if ( win ) - win->Enable(TRUE); - bool rc = wxYield(); - wxEnableTopLevelWindows(TRUE); - return rc; -} +#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) ) { @@ -767,32 +901,83 @@ int wxMessageBox(const wxString& message, const wxString& caption, long style, { case wxID_OK: return wxOK; - break; case wxID_YES: return wxYES; - break; case wxID_NO: return wxNO; - break; - default: case wxID_CANCEL: return wxCANCEL; - break; } - return ans; + + 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) - return dialog.GetValue(); - else - return wxString(""); + { + 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) { @@ -803,7 +988,105 @@ 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 +} + // ---------------------------------------------------------------------------- // network and user id functions @@ -817,7 +1100,7 @@ bool wxGetEmailAddress(wxChar *address, int maxSize) return FALSE; wxStrncpy(address, email, maxSize - 1); - address[maxSize - 1] = _T('\0'); + address[maxSize - 1] = wxT('\0'); return TRUE; } @@ -826,14 +1109,13 @@ wxString wxGetEmailAddress() { wxString email; - wxString host = wxGetHostName(); + wxString host = wxGetFullHostName(); if ( !!host ) { wxString user = wxGetUserId(); if ( !!user ) { - wxString email(user); - email << _T('@') << host; + email << user << wxT('@') << host; } } @@ -883,3 +1165,173 @@ wxString wxGetHostName() 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 +} +