///////////////////////////////////////////////////////////////////////////// // Name: utils.cpp // Purpose: Various utilities // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ // Note: this is done in utilscmn.cpp now. // #pragma implementation // #pragma implementation "utils.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #ifndef WX_PRECOMP #include "wx/setup.h" #include "wx/utils.h" #include "wx/app.h" #include "wx/cursor.h" #endif //WX_PRECOMP #include "wx/msw/private.h" #include "wx/timer.h" #include #ifndef __GNUWIN32__ #include #include #endif //GNUWIN32 #ifdef __GNUWIN32__ #include #include #ifndef __MINGW32__ #include #endif //MINGW32 #endif //GNUWIN32 #include "wx/log.h" #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs // this (3.1 I believe) and how to test for it. // If this works for Borland 4.0 as well, then no worries. #include #endif #ifdef __WIN32__ #include #ifndef __GNUWIN32__ #include #endif #endif #include #include #include #ifndef __WATCOMC__ #if !(defined(_MSC_VER) && (_MSC_VER > 800)) #include #endif #endif #include // In the WIN.INI file static const char WX_SECTION[] = "wxWindows"; static const char eHOSTNAME[] = "HostName"; static const char eUSERID[] = "UserId"; static const char eUSERNAME[] = "UserName"; // For the following functions we SHOULD fill in support // for Windows-NT (which I don't know) as I assume it begin // a POSIX Unix (so claims MS) that it has some special // functions beyond those provided by WinSock // Get full hostname (eg. DoDo.BSn-Germany.crg.de) bool wxGetHostName(char *buf, int maxSize) { #ifdef __WIN32__ DWORD nSize = maxSize; return (::GetComputerName(buf, &nSize) != 0); #else char *sysname; const char *default_host = "noname"; if ((sysname = getenv("SYSTEM_NAME")) == NULL) { GetProfileString(WX_SECTION, eHOSTNAME, default_host, buf, maxSize - 1); } else strncpy(buf, sysname, maxSize - 1); buf[maxSize] = '\0'; return *buf ? TRUE : FALSE; #endif } // Get user ID e.g. jacs bool wxGetUserId(char *buf, int maxSize) { #if defined(__WIN32__) && !defined(__win32s__) && 0 // Gets the current user's full name according to the MS article PSS ID // Number: Q119670 // Seems to be the same as the login name for me? char *UserName = new char[256]; char *Domain = new char[256]; DWORD maxCharacters = 255; GetUserName( UserName, &maxCharacters ); GetComputerName( Domain, &maxCharacters ); WCHAR wszUserName[256]; // Unicode user name WCHAR wszDomain[256]; LPBYTE ComputerName; struct _SERVER_INFO_100 *si100; // Server structure struct _USER_INFO_2 *ui; // User structure // Convert ASCII user name and domain to Unicode. MultiByteToWideChar( CP_ACP, 0, UserName, strlen(UserName)+1, wszUserName, sizeof(wszUserName) ); MultiByteToWideChar( CP_ACP, 0, Domain, strlen(Domain)+1, wszDomain, sizeof(wszDomain) ); // Get the computer name of a DC for the specified domain. // >If you get a link error on this, include netapi32.lib< NetGetDCName( NULL, wszDomain, &ComputerName ); // Look up the user on the DC. if(NetUserGetInfo( (LPWSTR) ComputerName, (LPWSTR) &wszUserName, 2, (LPBYTE *) &ui)) { printf( "Error getting user information.\n" ); return( FALSE ); } // Convert the Unicode full name to ASCII. WideCharToMultiByte( CP_ACP, 0, ui->usri2_full_name, -1, buf, 256, NULL, NULL ); } return( TRUE ); /* DWORD nSize = maxSize; return ::GetUserName(buf, &nSize); */ #else char *user; const char *default_id = "anonymous"; // Can't assume we have NIS (PC-NFS) or some other ID daemon // So we ... if ( (user = getenv("USER")) == NULL && (user = getenv("LOGNAME")) == NULL ) { // Use wxWindows configuration data (comming soon) GetProfileString(WX_SECTION, eUSERID, default_id, buf, maxSize - 1); } else strncpy(buf, user, maxSize - 1); return *buf ? TRUE : FALSE; #endif } // Get user name e.g. Julian Smart bool wxGetUserName(char *buf, int maxSize) { const char *default_name = "Unknown User"; #if defined(__WIN32__) /* DWORD nSize = maxSize; In VC++ 4.0, results in unresolved symbol __imp__GetUserNameA if (GetUserName(buf, &nSize)) return TRUE; else */ // Could use NIS, MS-Mail or other site specific programs // Use wxWindows configuration data GetProfileString(WX_SECTION, eUSERNAME, default_name, buf, maxSize - 1); return *buf ? TRUE : FALSE; // } #else #if !defined(__WATCOMC__) && !defined(__GNUWIN32__) && USE_PENWINDOWS extern HANDLE g_hPenWin; // PenWindows Running? if (g_hPenWin) { // PenWindows Does have a user concept! // Get the current owner of the recognizer GetPrivateProfileString("Current", "User", default_name, wxBuffer, maxSize - 1, "PENWIN.INI"); strncpy(buf, wxBuffer, maxSize - 1); } else #endif { // Could use NIS, MS-Mail or other site specific programs // Use wxWindows configuration data GetProfileString(WX_SECTION, eUSERNAME, default_name, buf, maxSize - 1); } return *buf ? TRUE : FALSE; #endif } int wxKill(long pid, int sig) { return 0; } // // Execute a program in an Interactive Shell // bool wxShell(const wxString& command) { char *shell; if ((shell = getenv("COMSPEC")) == NULL) shell = "\\COMMAND.COM"; char tmp[255]; if (command != "") sprintf(tmp, "%s /c %s", shell, WXSTRINGCAST command); else strcpy(tmp, shell); return (wxExecute((char *)tmp, FALSE) != 0); } // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX) long wxGetFreeMemory(void) { #if defined(__WIN32__) && !defined(__BORLANDC__) MEMORYSTATUS memStatus; memStatus.dwLength = sizeof(MEMORYSTATUS); GlobalMemoryStatus(&memStatus); return memStatus.dwAvailPhys; #else return (long)GetFreeSpace(0); #endif } // Sleep for nSecs seconds. Attempt a Windows implementation using timers. static bool inTimer = FALSE; class wxSleepTimer: public wxTimer { public: inline void Notify(void) { inTimer = FALSE; Stop(); } }; static wxTimer *wxTheSleepTimer = NULL; void wxSleep(int nSecs) { #if 0 // WIN32 hangs app Sleep( 1000*nSecs ); #else if (inTimer) return; wxTheSleepTimer = new wxSleepTimer; inTimer = TRUE; wxTheSleepTimer->Start(nSecs*1000); while (inTimer) { if (wxTheApp->Pending()) wxTheApp->Dispatch(); } delete wxTheSleepTimer; wxTheSleepTimer = NULL; #endif } // Consume all events until no more left void wxFlushEvents(void) { // wxYield(); } // Output a debug mess., in a system dependent fashion. void wxDebugMsg(const char *fmt ...) { va_list ap; static char buffer[512]; if (!wxTheApp->GetWantDebugOutput()) return ; va_start(ap, fmt); wvsprintf(buffer,fmt,ap) ; OutputDebugString((LPCSTR)buffer) ; va_end(ap); } // Non-fatal error: pop up message box and (possibly) continue void wxError(const wxString& msg, const wxString& title) { sprintf(wxBuffer, "%s\nContinue?", WXSTRINGCAST msg); if (MessageBox(NULL, (LPCSTR)wxBuffer, (LPCSTR)WXSTRINGCAST title, MB_ICONSTOP | MB_YESNO) == IDNO) wxExit(); } // Fatal error: pop up message box and abort void wxFatalError(const wxString& msg, const wxString& title) { sprintf(wxBuffer, "%s: %s", WXSTRINGCAST title, WXSTRINGCAST msg); FatalAppExit(0, (LPCSTR)wxBuffer); } // Emit a beeeeeep void wxBell(void) { #ifdef __WIN32__ Beep(1000,1000) ; // 1kHz during 1 sec. #else MessageBeep(-1) ; #endif } // Chris Breeze 27/5/98: revised WIN32 code to // detect WindowsNT correctly int wxGetOsVersion(int *majorVsn, int *minorVsn) { extern char *wxOsVersion; if (majorVsn) *majorVsn = 0; if (minorVsn) *minorVsn = 0; #ifdef WIN32 OSVERSIONINFO info; memset(&info, 0, sizeof(OSVERSIONINFO)); info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); if (GetVersionEx(&info)) { if (majorVsn) *majorVsn = info.dwMajorVersion; if (minorVsn) *minorVsn = info.dwMinorVersion; switch (info.dwPlatformId) { case VER_PLATFORM_WIN32s: return wxWIN32S; break; case VER_PLATFORM_WIN32_WINDOWS: return wxWIN95; break; case VER_PLATFORM_WIN32_NT: return wxWINDOWS_NT; break; } } return wxWINDOWS; // error if we get here, return generic value #else // Win16 code... int retValue ; # ifdef __WINDOWS_386__ retValue = wxWIN386; # else # if !defined(__WATCOMC__) && !defined(GNUWIN32) && USE_PENWINDOWS extern HANDLE g_hPenWin; retValue = g_hPenWin ? wxPENWINDOWS : wxWINDOWS ; # endif # endif // @@@@ To be completed. I don't have the manual here... if (majorVsn) *majorVsn = 3 ; if (minorVsn) *minorVsn = 1 ; return retValue ; #endif } // Reading and writing resources (eg WIN.INI, .Xdefaults) #if USE_RESOURCES bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file) { if (file != "") return (WritePrivateProfileString((LPCSTR)WXSTRINGCAST section, (LPCSTR)WXSTRINGCAST entry, (LPCSTR)value, (LPCSTR)WXSTRINGCAST file) != 0); else return (WriteProfileString((LPCSTR)WXSTRINGCAST section, (LPCSTR)WXSTRINGCAST entry, (LPCSTR)WXSTRINGCAST value) != 0); } bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file) { char buf[50]; sprintf(buf, "%.4f", value); return wxWriteResource(section, entry, buf, file); } bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file) { char buf[50]; sprintf(buf, "%ld", value); return wxWriteResource(section, entry, buf, file); } bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file) { char buf[50]; sprintf(buf, "%d", value); return wxWriteResource(section, entry, buf, file); } bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file) { static const char defunkt[] = "$$default"; if (file != "") { int n = GetPrivateProfileString((LPCSTR)WXSTRINGCAST section, (LPCSTR)WXSTRINGCAST entry, (LPCSTR)defunkt, (LPSTR)wxBuffer, 1000, (LPCSTR)WXSTRINGCAST file); if (n == 0 || strcmp(wxBuffer, defunkt) == 0) return FALSE; } else { int n = GetProfileString((LPCSTR)WXSTRINGCAST section, (LPCSTR)WXSTRINGCAST entry, (LPCSTR)defunkt, (LPSTR)wxBuffer, 1000); if (n == 0 || strcmp(wxBuffer, defunkt) == 0) return FALSE; } if (*value) delete[] (*value); *value = copystring(wxBuffer); return TRUE; } bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file) { char *s = NULL; bool succ = wxGetResource(section, entry, (char **)&s, file); if (succ) { *value = (float)strtod(s, NULL); delete[] s; return TRUE; } else return FALSE; } bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file) { char *s = NULL; bool succ = wxGetResource(section, entry, (char **)&s, file); if (succ) { *value = strtol(s, NULL, 10); delete[] s; return TRUE; } else return FALSE; } bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file) { char *s = NULL; bool succ = wxGetResource(section, entry, (char **)&s, file); if (succ) { *value = (int)strtol(s, NULL, 10); delete[] s; return TRUE; } else return FALSE; } #endif // USE_RESOURCES // Old cursor static HCURSOR wxBusyCursorOld = 0; static int wxBusyCursorCount = 0; // Set the cursor to the busy cursor for all windows void wxBeginBusyCursor(wxCursor *cursor) { wxBusyCursorCount ++; if (wxBusyCursorCount == 1) { wxBusyCursorOld = ::SetCursor((HCURSOR) cursor->GetHCURSOR()); } else { (void)::SetCursor((HCURSOR) cursor->GetHCURSOR()); } } // Restore cursor to normal void wxEndBusyCursor(void) { if (wxBusyCursorCount == 0) return; wxBusyCursorCount --; if (wxBusyCursorCount == 0) { ::SetCursor(wxBusyCursorOld); wxBusyCursorOld = 0; } } // TRUE if we're between the above two calls bool wxIsBusy(void) { return (wxBusyCursorCount > 0); } const char* WXDLLEXPORT wxGetHomeDir(wxString *pstr) { wxString& strDir = *pstr; #ifdef __UNIX__ const char *szHome = getenv("HOME"); if ( szHome == NULL ) { // we're homeless... wxLogWarning(_("can't find user's HOME, using current directory.")); strDir = "."; } else strDir = szHome; // add a trailing slash if needed if ( strDir.Last() != '/' ) strDir << '/'; #else // Windows #ifdef __WIN32__ const char *szHome = getenv("HOMEDRIVE"); if ( szHome != NULL ) strDir << szHome; szHome = getenv("HOMEPATH"); if ( szHome != NULL ) { strDir << szHome; // the idea is that under NT these variables have default values // of "%systemdrive%:" and "\\". As we don't want to create our // config files in the root directory of the system drive, we will // create it in our program's dir. However, if the user took care // to set HOMEPATH to something other than "\\", we suppose that he // knows what he is doing and use the supplied value. if ( strcmp(szHome, "\\") != 0 ) return strDir.c_str(); } #else // Win16 // Win16 has no idea about home, so use the working directory instead #endif // WIN16/32 // 260 was taken from windef.h #ifndef MAX_PATH #define MAX_PATH 260 #endif wxString strPath; ::GetModuleFileName(::GetModuleHandle(NULL), strPath.GetWriteBuf(MAX_PATH), MAX_PATH); strPath.UngetWriteBuf(); // extract the dir name wxSplitPath(strPath, &strDir, NULL, NULL); #endif // UNIX/Win return strDir.c_str(); } // Hack for MS-DOS char *wxGetUserHome (const wxString& user) { char *home; wxString user1(user); if (user1 != "") { char tmp[64]; if (wxGetUserId(tmp, sizeof(tmp)/sizeof(char))) { // Guests belong in the temp dir if (Stricmp(tmp, "annonymous") == 0) { if ((home = getenv("TMP")) != NULL || (home = getenv("TMPDIR")) != NULL || (home = getenv("TEMP")) != NULL) return *home ? home : "\\"; } if (Stricmp(tmp, WXSTRINGCAST user1) == 0) user1 = ""; } } if (user1 == "") if ((home = getenv("HOME")) != NULL) { strcpy(wxBuffer, home); Unix2DosFilename(wxBuffer); return wxBuffer; } return NULL; // No home known! } // Check whether this window wants to process messages, e.g. Stop button // in long calculations. bool wxCheckForInterrupt(wxWindow *wnd) { if(wnd){ MSG msg; HWND win= (HWND) wnd->GetHWND(); while(PeekMessage(&msg,win,0,0,PM_REMOVE)){ TranslateMessage(&msg); DispatchMessage(&msg); } return TRUE;//*** temporary? } else{ wxError("wnd==NULL !!!"); return FALSE;//*** temporary? } } // MSW only: get user-defined resource from the .res file. // Returns NULL or newly-allocated memory, so use delete[] to clean up. #ifdef __WXMSW__ char *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType) { char *s = NULL; #ifndef __WIN32__ HRSRC hResource = ::FindResource(wxGetInstance(), WXSTRINGCAST resourceName, WXSTRINGCAST resourceType); #else #ifdef UNICODE HRSRC hResource = ::FindResourceW(wxGetInstance(), WXSTRINGCAST resourceName, WXSTRINGCAST resourceType); #else HRSRC hResource = ::FindResourceA(wxGetInstance(), WXSTRINGCAST resourceName, WXSTRINGCAST resourceType); #endif #endif if (hResource == 0) return NULL; HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource); if (hData == 0) return NULL; char *theText = (char *)LockResource(hData); if (!theText) return NULL; s = copystring(theText); // Obsolete in WIN32 #ifndef __WIN32__ UnlockResource(hData); #endif // No need?? // GlobalFree(hData); return s; } #endif void wxGetMousePosition( int* x, int* y ) { POINT pt; GetCursorPos( & pt ); *x = pt.x; *y = pt.y; }; // Return TRUE if we have a colour display bool wxColourDisplay(void) { HDC dc = ::GetDC(NULL); bool flag; int noCols = GetDeviceCaps(dc, NUMCOLORS); if ((noCols == -1) || (noCols > 2)) flag = TRUE; else flag = FALSE; ReleaseDC(NULL, dc); return flag; } // Returns depth of screen int wxDisplayDepth(void) { HDC dc = ::GetDC(NULL); int planes = GetDeviceCaps(dc, PLANES); int bitsPerPixel = GetDeviceCaps(dc, BITSPIXEL); int depth = planes*bitsPerPixel; ReleaseDC(NULL, dc); return depth; } // Get size of display void wxDisplaySize(int *width, int *height) { HDC dc = ::GetDC(NULL); *width = GetDeviceCaps(dc, HORZRES); *height = GetDeviceCaps(dc, VERTRES); ReleaseDC(NULL, dc); } bool wxDirExists(const wxString& dir) { /* MATTHEW: [6] Always use same code for Win32, call FindClose */ #if defined(__WIN32__) WIN32_FIND_DATA fileInfo; #else #ifdef __BORLANDC__ struct ffblk fileInfo; #else struct find_t fileInfo; #endif #endif #if defined(__WIN32__) HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo); if (h==INVALID_HANDLE_VALUE) return FALSE; else { FindClose(h); return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY); } #else // In Borland findfirst has a different argument // ordering from _dos_findfirst. But _dos_findfirst // _should_ be ok in both MS and Borland... why not? #ifdef __BORLANDC__ return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0 && (fileInfo.ff_attrib & _A_SUBDIR) != 0)); #else return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0); #endif #endif } #if 0 //------------------------------------------------------------------------ // wild character routines //------------------------------------------------------------------------ bool wxIsWild( const wxString& pattern ) { wxString tmp = pattern; char *pat = WXSTRINGCAST(tmp); while (*pat) { switch (*pat++) { case '?': case '*': case '[': case '{': return TRUE; case '\\': if (!*pat++) return FALSE; } } return FALSE; }; bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special ) { wxString tmp1 = pat; char *pattern = WXSTRINGCAST(tmp1); wxString tmp2 = text; char *str = WXSTRINGCAST(tmp2); char c; char *cp; bool done = FALSE, ret_code, ok; // Below is for vi fans const char OB = '{', CB = '}'; // dot_special means '.' only matches '.' if (dot_special && *str == '.' && *pattern != *str) return FALSE; while ((*pattern != '\0') && (!done) && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) { switch (*pattern) { case '\\': pattern++; if (*pattern != '\0') pattern++; break; case '*': pattern++; ret_code = FALSE; while ((*str!='\0') && (!(ret_code=wxMatchWild(pattern, str++, FALSE)))) /*loop*/; if (ret_code) { while (*str != '\0') str++; while (*pattern != '\0') pattern++; } break; case '[': pattern++; repeat: if ((*pattern == '\0') || (*pattern == ']')) { done = TRUE; break; } if (*pattern == '\\') { pattern++; if (*pattern == '\0') { done = TRUE; break; } } if (*(pattern + 1) == '-') { c = *pattern; pattern += 2; if (*pattern == ']') { done = TRUE; break; } if (*pattern == '\\') { pattern++; if (*pattern == '\0') { done = TRUE; break; } } if ((*str < c) || (*str > *pattern)) { pattern++; goto repeat; } } else if (*pattern != *str) { pattern++; goto repeat; } pattern++; while ((*pattern != ']') && (*pattern != '\0')) { if ((*pattern == '\\') && (*(pattern + 1) != '\0')) pattern++; pattern++; } if (*pattern != '\0') { pattern++, str++; } break; case '?': pattern++; str++; break; case OB: pattern++; while ((*pattern != CB) && (*pattern != '\0')) { cp = str; ok = TRUE; while (ok && (*cp != '\0') && (*pattern != '\0') && (*pattern != ',') && (*pattern != CB)) { if (*pattern == '\\') pattern++; ok = (*pattern++ == *cp++); } if (*pattern == '\0') { ok = FALSE; done = TRUE; break; } else if (ok) { str = cp; while ((*pattern != CB) && (*pattern != '\0')) { if (*++pattern == '\\') { if (*++pattern == CB) pattern++; } } } else { while (*pattern!=CB && *pattern!=',' && *pattern!='\0') { if (*++pattern == '\\') { if (*++pattern == CB || *pattern == ',') pattern++; } } } if (*pattern != '\0') pattern++; } break; default: if (*str == *pattern) { str++, pattern++; } else { done = TRUE; } } } while (*pattern == '*') pattern++; return ((*str == '\0') && (*pattern == '\0')); }; #endif