X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2739d4f0528b324700973169b67750107568bf12..726cc8697cd44a41b43257f05ca8cdd42b71a711:/src/common/utilscmn.cpp diff --git a/src/common/utilscmn.cpp b/src/common/utilscmn.cpp index 0580ea7678..15908b65e7 100644 --- a/src/common/utilscmn.cpp +++ b/src/common/utilscmn.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: utilscmn.cpp +// Name: src/common/utilscmn.cpp // Purpose: Miscellaneous utility functions and classes // Author: Julian Smart // Modified by: @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "utils.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -53,13 +49,21 @@ #include "wx/process.h" #include "wx/txtstrm.h" +#include "wx/uri.h" +#include "wx/mimetype.h" +#include "wx/config.h" +#include "wx/versioninfo.h" + +#if defined(__WXWINCE__) && wxUSE_DATETIME + #include "wx/datetime.h" +#endif #include #include #include #include -#if !defined(__WATCOMC__) +#if !wxONLY_WATCOM_EARLIER_THAN(1,4) #if !(defined(_MSC_VER) && (_MSC_VER > 800)) #include #endif @@ -69,237 +73,348 @@ #include "wx/colordlg.h" #include "wx/fontdlg.h" #include "wx/notebook.h" - #include "wx/frame.h" #include "wx/statusbr.h" #endif // wxUSE_GUI -#include +#ifndef __WXPALMOS5__ +#ifndef __WXWINCE__ + #include +#else + #include "wx/msw/wince/time.h" +#endif +#endif // ! __WXPALMOS5__ -#ifndef __MWERKS__ +#ifdef __WXMAC__ + #include "wx/osx/private.h" +#endif + +#ifndef __WXPALMOS5__ +#if !defined(__MWERKS__) && !defined(__WXWINCE__) #include #include #endif +#endif // ! __WXPALMOS5__ -#ifdef __SALFORDC__ - #include +#if defined(__WXMSW__) + #include "wx/msw/private.h" + #include "wx/filesys.h" #endif -#ifdef __WXMSW__ - #include "wx/msw/private.h" +#if wxUSE_GUI && defined(__WXGTK__) + #include // for GTK_XXX_VERSION constants #endif #if wxUSE_BASE -// ---------------------------------------------------------------------------- -// common data -// ---------------------------------------------------------------------------- - -#if WXWIN_COMPATIBILITY_2_2 - const wxChar *wxInternalErrorStr = wxT("wxWindows Internal Error"); - const wxChar *wxFatalErrorStr = wxT("wxWindows Fatal Error"); -#endif // WXWIN_COMPATIBILITY_2_2 - // ============================================================================ // implementation // ============================================================================ -#if WXWIN_COMPATIBILITY_2_4 +// Array used in DecToHex conversion routine. +static const wxChar hexArray[] = wxT("0123456789ABCDEF"); -wxChar * -copystring (const wxChar *s) +// Convert 2-digit hex number to decimal +int wxHexToDec(const wxString& str) { - if (s == NULL) s = wxT(""); - size_t len = wxStrlen (s) + 1; - - wxChar *news = new wxChar[len]; - memcpy (news, s, len * sizeof(wxChar)); // Should be the fastest - - return news; + char buf[2]; + buf[0] = str.GetChar(0); + buf[1] = str.GetChar(1); + return wxHexToDec((const char*) buf); } -#endif // WXWIN_COMPATIBILITY_2_4 - -// Id generation -static long wxCurrentId = 100; - -long -wxNewId (void) +// Convert decimal integer to 2-character hex string +void wxDecToHex(int dec, wxChar *buf) { - return wxCurrentId++; + int firstDigit = (int)(dec/16.0); + int secondDigit = (int)(dec - (firstDigit*16.0)); + buf[0] = hexArray[firstDigit]; + buf[1] = hexArray[secondDigit]; + buf[2] = 0; } -long -wxGetCurrentId(void) { return wxCurrentId; } +// Convert decimal integer to 2 characters +void wxDecToHex(int dec, char* ch1, char* ch2) +{ + int firstDigit = (int)(dec/16.0); + int secondDigit = (int)(dec - (firstDigit*16.0)); + (*ch1) = (char) hexArray[firstDigit]; + (*ch2) = (char) hexArray[secondDigit]; +} -void -wxRegisterId (long id) +// Convert decimal integer to 2-character hex string +wxString wxDecToHex(int dec) { - if (id >= wxCurrentId) - wxCurrentId = id + 1; + wxChar buf[3]; + wxDecToHex(dec, buf); + return wxString(buf); } // ---------------------------------------------------------------------------- -// String <-> Number conversions (deprecated) +// misc functions // ---------------------------------------------------------------------------- -#if WXWIN_COMPATIBILITY_2_4 +// Return the current date/time +wxString wxNow() +{ +#ifdef __WXWINCE__ +#if wxUSE_DATETIME + wxDateTime now = wxDateTime::Now(); + return now.Format(); +#else + return wxEmptyString; +#endif +#else + time_t now = time(NULL); + char *date = ctime(&now); + date[24] = '\0'; + return wxString::FromAscii(date); +#endif +} -WXDLLEXPORT_DATA(const wxChar *) wxFloatToStringStr = wxT("%.2f"); -WXDLLEXPORT_DATA(const wxChar *) wxDoubleToStringStr = wxT("%.2f"); +#if WXWIN_COMPATIBILITY_2_8 +void wxUsleep(unsigned long milliseconds) +{ + wxMilliSleep(milliseconds); +} +#endif -void -StringToFloat (const wxChar *s, float *number) +const wxChar *wxGetInstallPrefix() { - if (s && *s && number) - *number = (float) wxStrtod (s, (wxChar **) NULL); + wxString prefix; + + if ( wxGetEnv(wxT("WXPREFIX"), &prefix) ) + return prefix.c_str(); + +#ifdef wxINSTALL_PREFIX + return wxT(wxINSTALL_PREFIX); +#else + return wxEmptyString; +#endif } -void -StringToDouble (const wxChar *s, double *number) +wxString wxGetDataDir() { - if (s && *s && number) - *number = wxStrtod (s, (wxChar **) NULL); + wxString dir = wxGetInstallPrefix(); + dir << wxFILE_SEP_PATH << wxT("share") << wxFILE_SEP_PATH << wxT("wx"); + return dir; } -wxChar * -FloatToString (float number, const wxChar *fmt) +bool wxIsPlatformLittleEndian() { - static wxChar buf[256]; + // Are we little or big endian? This method is from Harbison & Steele. + union + { + long l; + char c[sizeof(long)]; + } u; + u.l = 1; - wxSprintf (buf, fmt, number); - return buf; + return u.c[0] == 1; } -wxChar * -DoubleToString (double number, const wxChar *fmt) + +// ---------------------------------------------------------------------------- +// wxPlatform +// ---------------------------------------------------------------------------- + +/* + * Class to make it easier to specify platform-dependent values + */ + +wxArrayInt* wxPlatform::sm_customPlatforms = NULL; + +void wxPlatform::Copy(const wxPlatform& platform) { - static wxChar buf[256]; + m_longValue = platform.m_longValue; + m_doubleValue = platform.m_doubleValue; + m_stringValue = platform.m_stringValue; +} - wxSprintf (buf, fmt, number); - return buf; +wxPlatform wxPlatform::If(int platform, long value) +{ + if (Is(platform)) + return wxPlatform(value); + else + return wxPlatform(); } -void -StringToInt (const wxChar *s, int *number) +wxPlatform wxPlatform::IfNot(int platform, long value) { - if (s && *s && number) - *number = (int) wxStrtol (s, (wxChar **) NULL, 10); + if (!Is(platform)) + return wxPlatform(value); + else + return wxPlatform(); } -void -StringToLong (const wxChar *s, long *number) +wxPlatform& wxPlatform::ElseIf(int platform, long value) { - if (s && *s && number) - *number = wxStrtol (s, (wxChar **) NULL, 10); + if (Is(platform)) + m_longValue = value; + return *this; } -wxChar * -IntToString (int number) +wxPlatform& wxPlatform::ElseIfNot(int platform, long value) { - static wxChar buf[20]; + if (!Is(platform)) + m_longValue = value; + return *this; +} - wxSprintf (buf, wxT("%d"), number); - return buf; +wxPlatform wxPlatform::If(int platform, double value) +{ + if (Is(platform)) + return wxPlatform(value); + else + return wxPlatform(); } -wxChar * -LongToString (long number) +wxPlatform wxPlatform::IfNot(int platform, double value) { - static wxChar buf[20]; + if (!Is(platform)) + return wxPlatform(value); + else + return wxPlatform(); +} - wxSprintf (buf, wxT("%ld"), number); - return buf; +wxPlatform& wxPlatform::ElseIf(int platform, double value) +{ + if (Is(platform)) + m_doubleValue = value; + return *this; } -#endif // WXWIN_COMPATIBILITY_2_4 +wxPlatform& wxPlatform::ElseIfNot(int platform, double value) +{ + if (!Is(platform)) + m_doubleValue = value; + return *this; +} -// Array used in DecToHex conversion routine. -static wxChar hexArray[] = wxT("0123456789ABCDEF"); +wxPlatform wxPlatform::If(int platform, const wxString& value) +{ + if (Is(platform)) + return wxPlatform(value); + else + return wxPlatform(); +} -// Convert 2-digit hex number to decimal -int wxHexToDec(const wxString& buf) +wxPlatform wxPlatform::IfNot(int platform, const wxString& value) { - int firstDigit, secondDigit; + if (!Is(platform)) + return wxPlatform(value); + else + return wxPlatform(); +} - if (buf.GetChar(0) >= wxT('A')) - firstDigit = buf.GetChar(0) - wxT('A') + 10; - else - firstDigit = buf.GetChar(0) - wxT('0'); +wxPlatform& wxPlatform::ElseIf(int platform, const wxString& value) +{ + if (Is(platform)) + m_stringValue = value; + return *this; +} - if (buf.GetChar(1) >= wxT('A')) - secondDigit = buf.GetChar(1) - wxT('A') + 10; - else - secondDigit = buf.GetChar(1) - wxT('0'); +wxPlatform& wxPlatform::ElseIfNot(int platform, const wxString& value) +{ + if (!Is(platform)) + m_stringValue = value; + return *this; +} - return (firstDigit & 0xF) * 16 + (secondDigit & 0xF ); +wxPlatform& wxPlatform::Else(long value) +{ + m_longValue = value; + return *this; } -// Convert decimal integer to 2-character hex string -void wxDecToHex(int dec, wxChar *buf) +wxPlatform& wxPlatform::Else(double value) { - int firstDigit = (int)(dec/16.0); - int secondDigit = (int)(dec - (firstDigit*16.0)); - buf[0] = hexArray[firstDigit]; - buf[1] = hexArray[secondDigit]; - buf[2] = 0; + m_doubleValue = value; + return *this; } -// Convert decimal integer to 2-character hex string -wxString wxDecToHex(int dec) +wxPlatform& wxPlatform::Else(const wxString& value) { - wxChar buf[3]; - wxDecToHex(dec, buf); - return wxString(buf); + m_stringValue = value; + return *this; } -// ---------------------------------------------------------------------------- -// misc functions -// ---------------------------------------------------------------------------- +void wxPlatform::AddPlatform(int platform) +{ + if (!sm_customPlatforms) + sm_customPlatforms = new wxArrayInt; + sm_customPlatforms->Add(platform); +} -// Return the current date/time -wxString wxNow() +void wxPlatform::ClearPlatforms() { - time_t now = time((time_t *) NULL); - char *date = ctime(&now); - date[24] = '\0'; - return wxString::FromAscii(date); + wxDELETE(sm_customPlatforms); } -const wxChar *wxGetInstallPrefix() +/// Function for testing current platform + +bool wxPlatform::Is(int platform) { - wxString prefix; +#ifdef __WXMSW__ + if (platform == wxOS_WINDOWS) + return true; +#endif +#ifdef __WXWINCE__ + if (platform == wxOS_WINDOWS_CE) + return true; +#endif - if ( wxGetEnv(wxT("WXPREFIX"), &prefix) ) - return prefix.c_str(); +#if 0 -#ifdef wxINSTALL_PREFIX - return wxT(wxINSTALL_PREFIX); -#else - return wxT(""); +// FIXME: wxWinPocketPC and wxWinSmartPhone are unknown symbols + +#if defined(__WXWINCE__) && defined(__POCKETPC__) + if (platform == wxWinPocketPC) + return true; +#endif +#if defined(__WXWINCE__) && defined(__SMARTPHONE__) + if (platform == wxWinSmartPhone) + return true; #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; -} +#endif -int wxGetOsVersion(int *verMaj, int *verMin) -{ - // we want this function to work even if there is no wxApp - wxConsoleAppTraits traitsConsole; - wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL; - if ( ! traits ) - traits = &traitsConsole; +#ifdef __WXGTK__ + if (platform == wxPORT_GTK) + return true; +#endif +#ifdef __WXMAC__ + if (platform == wxPORT_MAC) + return true; +#endif +#ifdef __WXX11__ + if (platform == wxPORT_X11) + return true; +#endif +#ifdef __UNIX__ + if (platform == wxOS_UNIX) + return true; +#endif +#ifdef __WXMGL__ + if (platform == wxPORT_MGL) + return true; +#endif +#ifdef __OS2__ + if (platform == wxOS_OS2) + return true; +#endif +#ifdef __WXPM__ + if (platform == wxPORT_PM) + return true; +#endif +#ifdef __WXCOCOA__ + if (platform == wxPORT_MAC) + return true; +#endif - return traits->GetOSVersion(verMaj, verMin); + if (sm_customPlatforms && sm_customPlatforms->Index(platform) != wxNOT_FOUND) + return true; + + return false; } // ---------------------------------------------------------------------------- @@ -311,12 +426,11 @@ bool wxGetEmailAddress(wxChar *address, int maxSize) { wxString email = wxGetEmailAddress(); if ( !email ) - return FALSE; + return false; - wxStrncpy(address, email, maxSize - 1); - address[maxSize - 1] = wxT('\0'); + wxStrlcpy(address, email.t_str(), maxSize); - return TRUE; + return true; } wxString wxGetEmailAddress() @@ -324,10 +438,10 @@ wxString wxGetEmailAddress() wxString email; wxString host = wxGetFullHostName(); - if ( !!host ) + if ( !host.empty() ) { wxString user = wxGetUserId(); - if ( !!user ) + if ( !user.empty() ) { email << user << wxT('@') << host; } @@ -341,8 +455,7 @@ wxString wxGetUserId() static const int maxLoginLen = 256; // FIXME arbitrary number wxString buf; - bool ok = wxGetUserId(buf.GetWriteBuf(maxLoginLen), maxLoginLen); - buf.UngetWriteBuf(); + bool ok = wxGetUserId(wxStringBuffer(buf, maxLoginLen), maxLoginLen); if ( !ok ) buf.Empty(); @@ -355,8 +468,7 @@ wxString wxGetUserName() static const int maxUserNameLen = 1024; // FIXME arbitrary number wxString buf; - bool ok = wxGetUserName(buf.GetWriteBuf(maxUserNameLen), maxUserNameLen); - buf.UngetWriteBuf(); + bool ok = wxGetUserName(wxStringBuffer(buf, maxUserNameLen), maxUserNameLen); if ( !ok ) buf.Empty(); @@ -369,9 +481,7 @@ wxString wxGetHostName() static const size_t hostnameSize = 257; wxString buf; - bool ok = wxGetHostName(buf.GetWriteBuf(hostnameSize), hostnameSize); - - buf.UngetWriteBuf(); + bool ok = wxGetHostName(wxStringBuffer(buf, hostnameSize), hostnameSize); if ( !ok ) buf.Empty(); @@ -384,9 +494,7 @@ wxString wxGetFullHostName() static const size_t hostnameSize = 257; wxString buf; - bool ok = wxGetFullHostName(buf.GetWriteBuf(hostnameSize), hostnameSize); - - buf.UngetWriteBuf(); + bool ok = wxGetFullHostName(wxStringBuffer(buf, hostnameSize), hostnameSize); if ( !ok ) buf.Empty(); @@ -418,7 +526,7 @@ wxString wxGetCurrentDir() { if ( errno != ERANGE ) { - wxLogSysError(_T("Failed to get current directory")); + wxLogSysError(wxT("Failed to get current directory")); return wxEmptyString; } @@ -436,41 +544,108 @@ wxString wxGetCurrentDir() #endif // 0 +// ---------------------------------------------------------------------------- +// Environment +// ---------------------------------------------------------------------------- + +#ifdef __WXOSX__ +#if wxOSX_USE_COCOA_OR_CARBON + #include +#endif +#endif + +bool wxGetEnvMap(wxEnvVariableHashMap *map) +{ + wxCHECK_MSG( map, false, wxS("output pointer can't be NULL") ); + +#if defined(__VISUALC__) + wxChar **env = _tenviron; +#elif defined(__VMS) + // Now this routine wil give false for OpenVMS + // TODO : should we do something with logicals? + char **env=NULL; +#elif defined(__WXOSX__) +#if wxOSX_USE_COCOA_OR_CARBON + // Under Mac shared libraries don't have access to the global environ + // variable so use this Mac-specific function instead as advised by + // environ(7) under Darwin + char ***penv = _NSGetEnviron(); + if ( !penv ) + return false; + char **env = *penv; +#else + char **env=NULL; + // todo translate NSProcessInfo environment into map +#endif +#else // non-MSVC non-Mac + // Not sure if other compilers have _tenviron so use the (more standard) + // ANSI version only for them. +#ifdef __BSD__ + // POSIX, but not in an include file + extern char **environ; +#endif + char **env = environ; +#endif + + if ( env ) + { + wxString name, + value; + while ( *env ) + { + const wxString var(*env); + + name = var.BeforeFirst(wxS('='), &value); + + (*map)[name] = value; + + env++; + } + + return true; + } + + return false; +} + // ---------------------------------------------------------------------------- // wxExecute // ---------------------------------------------------------------------------- // wxDoExecuteWithCapture() helper: reads an entire stream into one array // -// returns TRUE if ok, FALSE if error +// 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()?") ); + wxCHECK_MSG( is, false, wxT("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 ) + for ( ;; ) { wxString line = tis.ReadLine(); + + // check for EOF before other errors as it's not really an error if ( is->Eof() ) + { + // add the last, possibly incomplete, line + if ( !line.empty() ) + output.Add(line); break; + } + // any other error is fatal if ( !*is ) - { - cont = FALSE; - } - else - { - output.Add(line); - } + return false; + + output.Add(line); } - return cont; + return true; } #endif // wxUSE_STREAMS @@ -479,13 +654,15 @@ static bool ReadAll(wxInputStream *is, wxArrayString& output) // public versions of wxExecute() below static long wxDoExecuteWithCapture(const wxString& command, wxArrayString& output, - wxArrayString* error) + wxArrayString* error, + int flags, + const wxExecuteEnv *env) { // create a wxProcess which will capture the output wxProcess *process = new wxProcess; process->Redirect(); - long rc = wxExecute(command, wxEXEC_SYNC, process); + long rc = wxExecute(command, wxEXEC_SYNC | flags, process, env); #if wxUSE_STREAMS if ( rc != -1 ) @@ -500,56 +677,486 @@ static long wxDoExecuteWithCapture(const wxString& command, } } -#endif // wxUSE_STREAMS +#else + wxUnusedVar(output); + wxUnusedVar(error); +#endif // wxUSE_STREAMS/!wxUSE_STREAMS delete process; return rc; } -long wxExecute(const wxString& command, wxArrayString& output) +long wxExecute(const wxString& command, wxArrayString& output, int flags, + const wxExecuteEnv *env) { - return wxDoExecuteWithCapture(command, output, NULL); + return wxDoExecuteWithCapture(command, output, NULL, flags, env); } long wxExecute(const wxString& command, wxArrayString& output, - wxArrayString& error) + wxArrayString& error, + int flags, + const wxExecuteEnv *env) { - return wxDoExecuteWithCapture(command, output, &error); + return wxDoExecuteWithCapture(command, output, &error, flags, env); } // ---------------------------------------------------------------------------- -// wxApp::Yield() wrappers for backwards compatibility +// Id functions // ---------------------------------------------------------------------------- -bool wxYield() +// Id generation +static long wxCurrentId = 100; + +long wxNewId() { - return wxTheApp && wxTheApp->Yield(); + // skip the part of IDs space that contains hard-coded values: + if (wxCurrentId == wxID_LOWEST) + wxCurrentId = wxID_HIGHEST + 1; + + return wxCurrentId++; } -bool wxYieldIfNeeded() +long +wxGetCurrentId(void) { return wxCurrentId; } + +void +wxRegisterId (long id) { - return wxTheApp && wxTheApp->Yield(TRUE); + if (id >= wxCurrentId) + wxCurrentId = id + 1; +} + +// ---------------------------------------------------------------------------- +// wxQsort, adapted by RR to allow user_data +// ---------------------------------------------------------------------------- + +/* This file is part of the GNU C Library. + Written by Douglas C. Schmidt (schmidt@ics.uci.edu). + + Douglas Schmidt kindly gave permission to relicence the + code under the wxWindows licence: + +From: "Douglas C. Schmidt" +To: Robert Roebling +Subject: Re: qsort licence +Date: Mon, 23 Jul 2007 03:44:25 -0500 +Sender: schmidt@dre.vanderbilt.edu +Message-Id: <20070723084426.64F511000A8@tango.dre.vanderbilt.edu> + +Hi Robert, + +> [...] I'm asking if you'd be willing to relicence your code +> under the wxWindows licence. [...] + +That's fine with me [...] + +Thanks, + + Doug */ + + +/* Byte-wise swap two items of size SIZE. */ +#define SWAP(a, b, size) \ + do \ + { \ + register size_t __size = (size); \ + register char *__a = (a), *__b = (b); \ + do \ + { \ + char __tmp = *__a; \ + *__a++ = *__b; \ + *__b++ = __tmp; \ + } while (--__size > 0); \ + } while (0) + +/* Discontinue quicksort algorithm when partition gets below this size. + This particular magic number was chosen to work best on a Sun 4/260. */ +#define MAX_THRESH 4 + +/* Stack node declarations used to store unfulfilled partition obligations. */ +typedef struct + { + char *lo; + char *hi; + } stack_node; + +/* The next 4 #defines implement a very fast in-line stack abstraction. */ +#define STACK_SIZE (8 * sizeof(unsigned long int)) +#define PUSH(low, high) ((void) ((top->lo = (low)), (top->hi = (high)), ++top)) +#define POP(low, high) ((void) (--top, (low = top->lo), (high = top->hi))) +#define STACK_NOT_EMPTY (stack < top) + + +/* Order size using quicksort. This implementation incorporates + four optimizations discussed in Sedgewick: + + 1. Non-recursive, using an explicit stack of pointer that store the + next array partition to sort. To save time, this maximum amount + of space required to store an array of MAX_INT is allocated on the + stack. Assuming a 32-bit integer, this needs only 32 * + sizeof(stack_node) == 136 bits. Pretty cheap, actually. + + 2. Chose the pivot element using a median-of-three decision tree. + This reduces the probability of selecting a bad pivot value and + eliminates certain extraneous comparisons. + + 3. Only quicksorts TOTAL_ELEMS / MAX_THRESH partitions, leaving + insertion sort to order the MAX_THRESH items within each partition. + This is a big win, since insertion sort is faster for small, mostly + sorted array segments. + + 4. The larger of the two sub-partitions is always pushed onto the + stack first, with the algorithm then concentrating on the + smaller partition. This *guarantees* no more than log (n) + stack size is needed (actually O(1) in this case)! */ + +void wxQsort(void *const pbase, size_t total_elems, + size_t size, CMPFUNCDATA cmp, const void* user_data) +{ + register char *base_ptr = (char *) pbase; + const size_t max_thresh = MAX_THRESH * size; + + if (total_elems == 0) + /* Avoid lossage with unsigned arithmetic below. */ + return; + + if (total_elems > MAX_THRESH) + { + char *lo = base_ptr; + char *hi = &lo[size * (total_elems - 1)]; + stack_node stack[STACK_SIZE]; + stack_node *top = stack; + + PUSH (NULL, NULL); + + while (STACK_NOT_EMPTY) + { + char *left_ptr; + char *right_ptr; + + /* Select median value from among LO, MID, and HI. Rearrange + LO and HI so the three values are sorted. This lowers the + probability of picking a pathological pivot value and + skips a comparison for both the LEFT_PTR and RIGHT_PTR. */ + + char *mid = lo + size * ((hi - lo) / size >> 1); + + if ((*cmp) ((void *) mid, (void *) lo, user_data) < 0) + SWAP (mid, lo, size); + if ((*cmp) ((void *) hi, (void *) mid, user_data) < 0) + SWAP (mid, hi, size); + else + goto jump_over; + if ((*cmp) ((void *) mid, (void *) lo, user_data) < 0) + SWAP (mid, lo, size); + jump_over:; + left_ptr = lo + size; + right_ptr = hi - size; + + /* Here's the famous ``collapse the walls'' section of quicksort. + Gotta like those tight inner loops! They are the main reason + that this algorithm runs much faster than others. */ + do + { + while ((*cmp) ((void *) left_ptr, (void *) mid, user_data) < 0) + left_ptr += size; + + while ((*cmp) ((void *) mid, (void *) right_ptr, user_data) < 0) + right_ptr -= size; + + if (left_ptr < right_ptr) + { + SWAP (left_ptr, right_ptr, size); + if (mid == left_ptr) + mid = right_ptr; + else if (mid == right_ptr) + mid = left_ptr; + left_ptr += size; + right_ptr -= size; + } + else if (left_ptr == right_ptr) + { + left_ptr += size; + right_ptr -= size; + break; + } + } + while (left_ptr <= right_ptr); + + /* Set up pointers for next iteration. First determine whether + left and right partitions are below the threshold size. If so, + ignore one or both. Otherwise, push the larger partition's + bounds on the stack and continue sorting the smaller one. */ + + if ((size_t) (right_ptr - lo) <= max_thresh) + { + if ((size_t) (hi - left_ptr) <= max_thresh) + /* Ignore both small partitions. */ + POP (lo, hi); + else + /* Ignore small left partition. */ + lo = left_ptr; + } + else if ((size_t) (hi - left_ptr) <= max_thresh) + /* Ignore small right partition. */ + hi = right_ptr; + else if ((right_ptr - lo) > (hi - left_ptr)) + { + /* Push larger left partition indices. */ + PUSH (lo, right_ptr); + lo = left_ptr; + } + else + { + /* Push larger right partition indices. */ + PUSH (left_ptr, hi); + hi = right_ptr; + } + } + } + + /* Once the BASE_PTR array is partially sorted by quicksort the rest + is completely sorted using insertion sort, since this is efficient + for partitions below MAX_THRESH size. BASE_PTR points to the beginning + of the array to sort, and END_PTR points at the very last element in + the array (*not* one beyond it!). */ + + { + char *const end_ptr = &base_ptr[size * (total_elems - 1)]; + char *tmp_ptr = base_ptr; + char *thresh = base_ptr + max_thresh; + if ( thresh > end_ptr ) + thresh = end_ptr; + register char *run_ptr; + + /* Find smallest element in first threshold and place it at the + array's beginning. This is the smallest array element, + and the operation speeds up insertion sort's inner loop. */ + + for (run_ptr = tmp_ptr + size; run_ptr <= thresh; run_ptr += size) + if ((*cmp) ((void *) run_ptr, (void *) tmp_ptr, user_data) < 0) + tmp_ptr = run_ptr; + + if (tmp_ptr != base_ptr) + SWAP (tmp_ptr, base_ptr, size); + + /* Insertion sort, running from left-hand-side up to right-hand-side. */ + + run_ptr = base_ptr + size; + while ((run_ptr += size) <= end_ptr) + { + tmp_ptr = run_ptr - size; + while ((*cmp) ((void *) run_ptr, (void *) tmp_ptr, user_data) < 0) + tmp_ptr -= size; + + tmp_ptr += size; + if (tmp_ptr != run_ptr) + { + char *trav; + + trav = run_ptr + size; + while (--trav >= run_ptr) + { + char c = *trav; + char *hi, *lo; + + for (hi = lo = trav; (lo -= size) >= tmp_ptr; hi = lo) + *hi = *lo; + *hi = c; + } + } + } + } } #endif // wxUSE_BASE + + // ============================================================================ // GUI-only functions from now on // ============================================================================ #if wxUSE_GUI -#if wxUSE_MENUS +// this function is only really implemented for X11-based ports, including GTK1 +// (GTK2 sets detectable auto-repeat automatically anyhow) +#if !(defined(__WXX11__) || defined(__WXMOTIF__) || \ + (defined(__WXGTK__) && !defined(__WXGTK20__))) +bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) ) +{ + return true; +} +#endif // !X11-based port + +// ---------------------------------------------------------------------------- +// Launch default browser +// ---------------------------------------------------------------------------- + +#if defined(__WXMSW__) + +// implemented in a port-specific utils source file: +bool wxDoLaunchDefaultBrowser(const wxString& url, const wxString& scheme, int flags); + +#elif defined(__WXX11__) || defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXCOCOA__) || \ + (defined(__WXOSX__) ) + +// implemented in a port-specific utils source file: +bool wxDoLaunchDefaultBrowser(const wxString& url, int flags); + +#else + +// a "generic" implementation: +bool wxDoLaunchDefaultBrowser(const wxString& url, int flags) +{ + // on other platforms try to use mime types or wxExecute... + + bool ok = false; + wxString cmd; + +#if wxUSE_MIMETYPE + wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(wxT("html")); + if ( ft ) + { + wxString mt; + ft->GetMimeType(&mt); + + ok = ft->GetOpenCommand(&cmd, wxFileType::MessageParameters(url)); + delete ft; + } +#endif // wxUSE_MIMETYPE + + if ( !ok || cmd.empty() ) + { + // fallback to checking for the BROWSER environment variable + if ( !wxGetEnv(wxT("BROWSER"), &cmd) || cmd.empty() ) + cmd << wxT(' ') << url; + } + + ok = ( !cmd.empty() && wxExecute(cmd) ); + if (ok) + return ok; + + // no file type for HTML extension + wxLogError(_("No default application configured for HTML files.")); + + return false; +} +#endif + +static bool DoLaunchDefaultBrowserHelper(const wxString& urlOrig, int flags) +{ + // NOTE: we don't have to care about the wxBROWSER_NOBUSYCURSOR flag + // as it was already handled by wxLaunchDefaultBrowser + + wxUnusedVar(flags); + + wxString url(urlOrig), scheme; + wxURI uri(url); + + // this check is useful to avoid that wxURI recognizes as scheme parts of + // the filename, in case urlOrig is a local filename + // (e.g. "C:\\test.txt" when parsed by wxURI reports a scheme == "C") + bool hasValidScheme = uri.HasScheme() && uri.GetScheme().length() > 1; + +#if defined(__WXMSW__) + + // NOTE: when testing wxMSW's wxLaunchDefaultBrowser all possible forms + // of the URL/flags should be tested; e.g.: + // + // for (int i=0; i<2; i++) + // { + // // test arguments without a valid URL scheme: + // wxLaunchDefaultBrowser("C:\\test.txt", i==0 ? 0 : wxBROWSER_NEW_WINDOW); + // wxLaunchDefaultBrowser("wxwidgets.org", i==0 ? 0 : wxBROWSER_NEW_WINDOW); + // + // // test arguments with different valid schemes: + // wxLaunchDefaultBrowser("file:/C%3A/test.txt", i==0 ? 0 : wxBROWSER_NEW_WINDOW); + // wxLaunchDefaultBrowser("http://wxwidgets.org", i==0 ? 0 : wxBROWSER_NEW_WINDOW); + // wxLaunchDefaultBrowser("mailto:user@host.org", i==0 ? 0 : wxBROWSER_NEW_WINDOW); + // } + // (assuming you have a C:\test.txt file) + + if ( !hasValidScheme ) + { + if (wxFileExists(urlOrig) || wxDirExists(urlOrig)) + { + scheme = "file"; + // do not prepend the file scheme to the URL as ShellExecuteEx() doesn't like it + } + else + { + url.Prepend(wxS("http://")); + scheme = "http"; + } + } + else if ( hasValidScheme ) + { + scheme = uri.GetScheme(); + + if ( uri.GetScheme() == "file" ) + { + // TODO: extract URLToFileName() to some always compiled in + // function +#if wxUSE_FILESYSTEM + // ShellExecuteEx() doesn't like the "file" scheme when opening local files; + // remove it + url = wxFileSystem::URLToFileName(url).GetFullPath(); +#endif // wxUSE_FILESYSTEM + } + } + + if (wxDoLaunchDefaultBrowser(url, scheme, flags)) + return true; + //else: call wxLogSysError +#else + if ( !hasValidScheme ) + { + // set the scheme of url to "http" or "file" if it does not have one + if (wxFileExists(urlOrig) || wxDirExists(urlOrig)) + url.Prepend(wxS("file://")); + else + url.Prepend(wxS("http://")); + } + + if (wxDoLaunchDefaultBrowser(url, flags)) + return true; + //else: call wxLogSysError +#endif + + wxLogSysError(_("Failed to open URL \"%s\" in default browser."), + url.c_str()); + + return false; +} + +bool wxLaunchDefaultBrowser(const wxString& url, int flags) +{ + // NOTE: as documented, "url" may be both a real well-formed URL + // and a local file name + + if ( flags & wxBROWSER_NOBUSYCURSOR ) + return DoLaunchDefaultBrowserHelper(url, flags); + + wxBusyCursor bc; + return DoLaunchDefaultBrowserHelper(url, flags); +} // ---------------------------------------------------------------------------- // Menu accelerators related functions // ---------------------------------------------------------------------------- +#if WXWIN_COMPATIBILITY_2_6 wxChar *wxStripMenuCodes(const wxChar *in, wxChar *out) { - wxString s = wxMenuItem::GetLabelFromText(in); +#if wxUSE_MENUS + wxString s = wxMenuItem::GetLabelText(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 @@ -557,14 +1164,18 @@ wxChar *wxStripMenuCodes(const wxChar *in, wxChar *out) } else { - out = copystring(s); + out = new wxChar[s.length() + 1]; + wxStrcpy(out, s.c_str()); } return out; } +#endif -wxString wxStripMenuCodes(const wxString& in) +wxString wxStripMenuCodes(const wxString& in, int flags) { + wxASSERT_MSG( flags, wxT("this is useless to call without any flags") ); + wxString out; size_t len = in.length(); @@ -573,14 +1184,14 @@ wxString wxStripMenuCodes(const wxString& in) for ( size_t n = 0; n < len; n++ ) { wxChar ch = in[n]; - if ( ch == _T('&') ) + if ( (flags & wxStrip_Mnemonics) && ch == wxT('&') ) { // 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()); + wxLogDebug(wxT("Invalid menu string '%s'"), in.c_str()); } else { @@ -588,7 +1199,7 @@ wxString wxStripMenuCodes(const wxString& in) ch = in[n]; } } - else if ( ch == _T('\t') ) + else if ( (flags & wxStrip_Accel) && ch == wxT('\t') ) { // everything after TAB is accel string, exit the loop break; @@ -600,8 +1211,6 @@ wxString wxStripMenuCodes(const wxString& in) return out; } -#endif // wxUSE_MENUS - // ---------------------------------------------------------------------------- // Window search functions // ---------------------------------------------------------------------------- @@ -631,17 +1240,23 @@ wxFindWindowByName (const wxString& name, wxWindow * parent) return wxWindow::FindWindowByName( name, parent ); } -// Returns menu item id or -1 if none. +// Returns menu item id or wxNOT_FOUND if none. int -wxFindMenuItemId (wxFrame * frame, const wxString& menuString, const wxString& itemString) +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 -1; + wxMenuBar *menuBar = frame->GetMenuBar (); + if ( menuBar ) + return menuBar->FindMenuItem (menuString, itemString); +#else // !wxUSE_MENUS + wxUnusedVar(frame); + wxUnusedVar(menuString); + wxUnusedVar(itemString); +#endif // wxUSE_MENUS/!wxUSE_MENUS + + return wxNOT_FOUND; } // Try to find the deepest child that contains 'pt'. @@ -671,7 +1286,7 @@ wxWindow* wxFindWindowAtPoint(wxWindow* win, const wxPoint& pt) } #endif - wxWindowList::Node *node = win->GetChildren().GetLast(); + wxWindowList::compatibility_iterator node = win->GetChildren().GetLast(); while (node) { wxWindow* child = node->GetData(); @@ -683,16 +1298,16 @@ wxWindow* wxFindWindowAtPoint(wxWindow* win, const wxPoint& pt) wxPoint pos = win->GetPosition(); wxSize sz = win->GetSize(); - if (win->GetParent()) + if ( !win->IsTopLevel() && win->GetParent() ) { pos = win->GetParent()->ClientToScreen(pos); } wxRect rect(pos, sz); - if (rect.Inside(pt)) + if (rect.Contains(pt)) return win; - else - return NULL; + + return NULL; } wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt) @@ -700,7 +1315,7 @@ wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt) // Go backwards through the list since windows // on top are likely to have been appended most // recently. - wxWindowList::Node *node = wxTopLevelWindows.GetLast(); + wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetLast(); while (node) { wxWindow* win = node->GetData(); @@ -726,6 +1341,13 @@ wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt) int wxMessageBox(const wxString& message, const wxString& caption, long style, wxWindow *parent, int WXUNUSED(x), int WXUNUSED(y) ) { + // add the appropriate icon unless this was explicitly disabled by use of + // wxICON_NONE + if ( !(style & wxICON_NONE) && !(style & wxICON_MASK) ) + { + style |= style & wxYES ? wxICON_QUESTION : wxICON_INFORMATION; + } + wxMessageDialog dialog(parent, message, caption, style); int ans = dialog.ShowModal(); @@ -741,21 +1363,82 @@ int wxMessageBox(const wxString& message, const wxString& caption, long style, return wxCANCEL; } - wxFAIL_MSG( _T("unexpected return code from wxMessageDialog") ); + wxFAIL_MSG( wxT("unexpected return code from wxMessageDialog") ); return wxCANCEL; } +wxVersionInfo wxGetLibraryVersionInfo() +{ + // don't translate these strings, they're for diagnostics purposes only + wxString msg; + msg.Printf(wxS("wxWidgets Library (%s port)\n") + wxS("Version %d.%d.%d (Unicode: %s, debug level: %d),\n") + wxS("compiled at %s %s\n\n") + wxS("Runtime version of toolkit used is %d.%d.\n"), + wxPlatformInfo::Get().GetPortIdName(), + wxMAJOR_VERSION, + wxMINOR_VERSION, + wxRELEASE_NUMBER, +#if wxUSE_UNICODE_UTF8 + "UTF-8", +#elif wxUSE_UNICODE + "wchar_t", +#else + "none", +#endif + wxDEBUG_LEVEL, + __TDATE__, + __TTIME__, + wxPlatformInfo::Get().GetToolkitMajorVersion(), + wxPlatformInfo::Get().GetToolkitMinorVersion() + ); + +#ifdef __WXGTK__ + msg += wxString::Format("Compile-time GTK+ version is %d.%d.%d.\n", + GTK_MAJOR_VERSION, + GTK_MINOR_VERSION, + GTK_MICRO_VERSION); +#endif // __WXGTK__ + + return wxVersionInfo(wxS("wxWidgets"), + wxMAJOR_VERSION, + wxMINOR_VERSION, + wxRELEASE_NUMBER, + msg, + wxS("Copyright (c) 1995-2010 wxWidgets team")); +} + +void wxInfoMessageBox(wxWindow* parent) +{ + wxVersionInfo info = wxGetLibraryVersionInfo(); + wxString msg = info.ToString(); + + msg << wxS("\n") << info.GetCopyright(); + + wxMessageBox(msg, wxT("wxWidgets information"), + wxICON_INFORMATION | wxOK, + parent); +} + #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) ) + wxCoord x, wxCoord y, bool centre ) { wxString str; - wxTextEntryDialog dialog(parent, message, caption, defaultValue, wxOK|wxCANCEL, wxPoint(x, y)); + long style = wxTextEntryDialogStyle; + + if (centre) + style |= wxCENTRE; + else + style &= ~wxCENTRE; + + wxTextEntryDialog dialog(parent, message, caption, defaultValue, style, wxPoint(x, y)); + if (dialog.ShowModal() == wxID_OK) { str = dialog.GetValue(); @@ -767,11 +1450,19 @@ wxString wxGetTextFromUser(const wxString& message, const wxString& caption, wxString wxGetPasswordFromUser(const wxString& message, const wxString& caption, const wxString& defaultValue, - wxWindow *parent) + wxWindow *parent, + wxCoord x, wxCoord y, bool centre ) { wxString str; - wxTextEntryDialog dialog(parent, message, caption, defaultValue, - wxOK | wxCANCEL | wxTE_PASSWORD); + long style = wxTextEntryDialogStyle; + + if (centre) + style |= wxCENTRE; + else + style &= ~wxCENTRE; + + wxPasswordEntryDialog dialog(parent, message, caption, defaultValue, + style, wxPoint(x, y)); if ( dialog.ShowModal() == wxID_OK ) { str = dialog.GetValue(); @@ -784,22 +1475,56 @@ wxString wxGetPasswordFromUser(const wxString& message, #if wxUSE_COLOURDLG -wxColour wxGetColourFromUser(wxWindow *parent, const wxColour& colInit) +wxColour wxGetColourFromUser(wxWindow *parent, + const wxColour& colInit, + const wxString& caption, + wxColourData *ptrData) { + // contains serialized representation of wxColourData used the last time + // the dialog was shown: we want to reuse it the next time in order to show + // the same custom colours to the user (and we can't just have static + // wxColourData itself because it's a GUI object and so should be destroyed + // before GUI shutdown and doing it during static cleanup is too late) + static wxString s_strColourData; + wxColourData data; - data.SetChooseFull(TRUE); - if ( colInit.Ok() ) + if ( !ptrData ) + { + ptrData = &data; + if ( !s_strColourData.empty() ) + { + if ( !data.FromString(s_strColourData) ) + { + wxFAIL_MSG( "bug in wxColourData::FromString()?" ); + } + +#ifdef __WXMSW__ + // we don't get back the "choose full" flag value from the native + // dialog and so we can't preserve it between runs, so we decide to + // always use it as it seems better than not using it (user can + // just ignore the extra controls in the dialog but having to click + // a button each time to show them would be very annoying + data.SetChooseFull(true); +#endif // __WXMSW__ + } + } + + if ( colInit.IsOk() ) { - data.SetColour((wxColour &)colInit); // const_cast + ptrData->SetColour(colInit); } wxColour colRet; - wxColourDialog dialog(parent, &data); + wxColourDialog dialog(parent, ptrData); + if (!caption.empty()) + dialog.SetTitle(caption); if ( dialog.ShowModal() == wxID_OK ) { - colRet = dialog.GetColourData().GetColour(); + *ptrData = dialog.GetColourData(); + colRet = ptrData->GetColour(); + s_strColourData = ptrData->ToString(); } - //else: leave it invalid + //else: leave colRet invalid return colRet; } @@ -808,7 +1533,7 @@ wxColour wxGetColourFromUser(wxWindow *parent, const wxColour& colInit) #if wxUSE_FONTDLG -wxFont wxGetFontFromUser(wxWindow *parent, const wxFont& fontInit) +wxFont wxGetFontFromUser(wxWindow *parent, const wxFont& fontInit, const wxString& caption) { wxFontData data; if ( fontInit.Ok() ) @@ -818,6 +1543,8 @@ wxFont wxGetFontFromUser(wxWindow *parent, const wxFont& fontInit) wxFont fontRet; wxFontDialog dialog(parent, data); + if (!caption.empty()) + dialog.SetTitle(caption); if ( dialog.ShowModal() == wxID_OK ) { fontRet = dialog.GetFontData().GetChosenFont(); @@ -828,20 +1555,6 @@ wxFont wxGetFontFromUser(wxWindow *parent, const wxFont& fontInit) } #endif // wxUSE_FONTDLG -// ---------------------------------------------------------------------------- -// missing C RTL functions (FIXME shouldn't be here at all) -// ---------------------------------------------------------------------------- - -#if defined( __MWERKS__ ) && !defined(__MACH__) -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 @@ -849,18 +1562,37 @@ int isascii( int c ) void wxEnableTopLevelWindows(bool enable) { - wxWindowList::Node *node; + wxWindowList::compatibility_iterator node; for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() ) node->GetData()->Enable(enable); } +#if defined(__WXOSX__) && wxOSX_USE_COCOA + +// defined in evtloop.mm + +#else + +wxWindowDisabler::wxWindowDisabler(bool disable) +{ + m_disabled = disable; + if ( disable ) + DoDisable(); +} + wxWindowDisabler::wxWindowDisabler(wxWindow *winToSkip) +{ + m_disabled = true; + DoDisable(winToSkip); +} + +void wxWindowDisabler::DoDisable(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; + wxWindowList::compatibility_iterator node; for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() ) { wxWindow *winTop = node->GetData(); @@ -886,7 +1618,10 @@ wxWindowDisabler::wxWindowDisabler(wxWindow *winToSkip) wxWindowDisabler::~wxWindowDisabler() { - wxWindowList::Node *node; + if ( !m_disabled ) + return; + + wxWindowList::compatibility_iterator node; for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() ) { wxWindow *winTop = node->GetData(); @@ -900,6 +1635,8 @@ wxWindowDisabler::~wxWindowDisabler() delete m_winDisabled; } +#endif + // Yield to other apps/messages and disable user input to all windows except // the given one bool wxSafeYield(wxWindow *win, bool onlyIfNeeded) @@ -915,15 +1652,18 @@ bool wxSafeYield(wxWindow *win, bool onlyIfNeeded) return rc; } -// 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) ) +// ---------------------------------------------------------------------------- +// wxApp::Yield() wrappers for backwards compatibility +// ---------------------------------------------------------------------------- + +bool wxYield() { - return TRUE; // detectable auto-repeat is the only mode MSW supports + return wxTheApp && wxTheApp->Yield(); } -#endif // !wxGTK -#endif // wxUSE_GUI +bool wxYieldIfNeeded() +{ + return wxTheApp && wxTheApp->Yield(true); +} +#endif // wxUSE_GUI