/////////////////////////////////////////////////////////////////////////////
-// Name: utils.cpp
+// Name: msw/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
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-// #pragma implementation "utils.h" // Note: this is done in utilscmn.cpp now.
-#endif
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#endif
#ifndef WX_PRECOMP
- #include "wx/setup.h"
#include "wx/utils.h"
#include "wx/app.h"
- #include "wx/cursor.h"
+ #include "wx/intl.h"
+ #include "wx/log.h"
#endif //WX_PRECOMP
-#include "wx/msw/private.h"
-#include "wx/timer.h"
-#include "wx/intl.h"
+#include "wx/apptrait.h"
+#include "wx/dynload.h"
-#include <windows.h>
+#include "wx/confbase.h" // for wxExpandEnvVars()
+
+#include "wx/msw/private.h" // includes <windows.h>
+#include "wx/msw/missing.h" // CHARSET_HANGUL
+
+#if defined(__GNUWIN32_OLD__) || defined(__WXWINCE__) \
+ || defined(__CYGWIN32__)
+ // apparently we need to include winsock.h to get WSADATA and other stuff
+ // used in wxGetFullHostName() with the old mingw32 versions
+ #include <winsock.h>
+#endif
-#include <ctype.h>
+#include "wx/timer.h"
-#if !defined(__GNUWIN32__) && !defined(__WXWINE__) && !defined(__SALFORDC__)
+#if !defined(__GNUWIN32__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
#include <direct.h>
#ifndef __MWERKS__
#endif
#endif //GNUWIN32
-#if defined(__GNUWIN32__) && !defined(__TWIN32__)
+#if defined(__CYGWIN__)
#include <sys/unistd.h>
#include <sys/stat.h>
+ #include <sys/cygwin.h> // for cygwin_conv_to_full_win32_path()
#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 <lm.h>
#endif // USE_NET_API
-#if defined(__WIN32__) && !defined(__WXWINE__)
- #include <io.h>
+#if defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
+ #ifndef __UNIX__
+ #include <io.h>
+ #endif
#ifndef __GNUWIN32__
#include <shellapi.h>
#endif
#endif
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
#ifndef __WATCOMC__
#if !(defined(_MSC_VER) && (_MSC_VER > 800))
#include <errno.h>
#endif
#endif
-#include <stdarg.h>
-//// BEGIN for console support: VC++ only
-#ifdef __VISUALC__
+// For wxKillAllChildren
+#include <tlhelp32.h>
-#include "wx/msw/msvcrt.h"
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
-#include <fcntl.h>
+// In the WIN.INI file
+static const wxChar WX_SECTION[] = wxT("wxWindows");
+static const wxChar eUSERNAME[] = wxT("UserName");
-#include "wx/ioswrap.h"
+// ============================================================================
+// implementation
+// ============================================================================
-#if wxUSE_IOSTREAMH
-// N.B. BC++ doesn't have istream.h, ostream.h
-# include <io.h>
-# include <fstream.h>
+// ----------------------------------------------------------------------------
+// get host name and related
+// ----------------------------------------------------------------------------
+
+// Get hostname only (without domain name)
+bool wxGetHostName(wxChar *buf, int maxSize)
+{
+#if defined(__WXWINCE__)
+ return false;
+#elif defined(__WIN32__) && !defined(__WXMICROWIN__)
+ DWORD nSize = maxSize;
+ if ( !::GetComputerName(buf, &nSize) )
+ {
+ wxLogLastError(wxT("GetComputerName"));
+
+ return false;
+ }
+
+ return true;
#else
-# include <fstream>
+ wxChar *sysname;
+ const wxChar *default_host = wxT("noname");
+
+ if ((sysname = wxGetenv(wxT("SYSTEM_NAME"))) == NULL) {
+ GetProfileString(WX_SECTION, eHOSTNAME, default_host, buf, maxSize - 1);
+ } else
+ wxStrncpy(buf, sysname, maxSize - 1);
+ buf[maxSize] = wxT('\0');
+ return *buf ? true : false;
#endif
+}
-/* Need to undef new if including crtdbg.h */
-# ifdef new
-# undef new
-# endif
+// get full hostname (with domain name if possible)
+bool wxGetFullHostName(wxChar *buf, int maxSize)
+{
+#if !defined( __WXMICROWIN__) && wxUSE_DYNAMIC_LOADER
+ // TODO should use GetComputerNameEx() when available
-#ifndef __WIN16__
-# include <crtdbg.h>
-#endif
+ // we don't want to always link with Winsock DLL as we might not use it at
+ // all, so load it dynamically here if needed (and don't complain if it is
+ // missing, we handle this)
+ wxLogNull noLog;
-# if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS
-# define new new(__FILE__,__LINE__)
-# endif
+ wxDynamicLibrary dllWinsock(_T("ws2_32.dll"), wxDL_VERBATIM);
+ if ( dllWinsock.IsLoaded() )
+ {
+ typedef int (PASCAL *WSAStartup_t)(WORD, WSADATA *);
+ typedef int (PASCAL *gethostname_t)(char *, int);
+ typedef hostent* (PASCAL *gethostbyname_t)(const char *);
+ typedef hostent* (PASCAL *gethostbyaddr_t)(const char *, int , int);
+ typedef int (PASCAL *WSACleanup_t)(void);
-#endif
- // __VISUALC__
-/// END for console support
+ #define LOAD_WINSOCK_FUNC(func) \
+ func ## _t \
+ pfn ## func = (func ## _t)dllWinsock.GetSymbol(_T(#func))
-// In the WIN.INI file
-static const wxChar WX_SECTION[] = wxT("wxWindows");
-static const wxChar eHOSTNAME[] = wxT("HostName");
-static const wxChar eUSERID[] = wxT("UserId");
-static const wxChar eUSERNAME[] = wxT("UserName");
+ LOAD_WINSOCK_FUNC(WSAStartup);
-// 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
+ WSADATA wsa;
+ if ( pfnWSAStartup && pfnWSAStartup(MAKEWORD(1, 1), &wsa) == 0 )
+ {
+ LOAD_WINSOCK_FUNC(gethostname);
+
+ wxString host;
+ if ( pfngethostname )
+ {
+ char bufA[256];
+ if ( pfngethostname(bufA, WXSIZEOF(bufA)) == 0 )
+ {
+ // gethostname() won't usually include the DNS domain name,
+ // for this we need to work a bit more
+ if ( !strchr(bufA, '.') )
+ {
+ LOAD_WINSOCK_FUNC(gethostbyname);
+
+ struct hostent *pHostEnt = pfngethostbyname
+ ? pfngethostbyname(bufA)
+ : NULL;
+
+ if ( pHostEnt )
+ {
+ // Windows will use DNS internally now
+ LOAD_WINSOCK_FUNC(gethostbyaddr);
+
+ pHostEnt = pfngethostbyaddr
+ ? pfngethostbyaddr(pHostEnt->h_addr,
+ 4, AF_INET)
+ : NULL;
+ }
+
+ if ( pHostEnt )
+ {
+ host = wxString::FromAscii(pHostEnt->h_name);
+ }
+ }
+ }
+ }
+
+ LOAD_WINSOCK_FUNC(WSACleanup);
+ if ( pfnWSACleanup )
+ pfnWSACleanup();
+
+
+ if ( !host.empty() )
+ {
+ wxStrncpy(buf, host, maxSize);
+
+ return true;
+ }
+ }
+ }
+#endif // !__WXMICROWIN__
-// Get full hostname (eg. DoDo.BSn-Germany.crg.de)
-bool wxGetHostName(wxChar *buf, int maxSize)
-{
-#if defined(__WIN32__) && !defined(__TWIN32__)
- DWORD nSize = maxSize;
- return (::GetComputerName(buf, &nSize) != 0);
-#else
- wxChar *sysname;
- const wxChar *default_host = wxT("noname");
-
- if ((sysname = wxGetenv(wxT("SYSTEM_NAME"))) == NULL) {
- GetProfileString(WX_SECTION, eHOSTNAME, default_host, buf, maxSize - 1);
- } else
- wxStrncpy(buf, sysname, maxSize - 1);
- buf[maxSize] = wxT('\0');
- return *buf ? TRUE : FALSE;
-#endif
+ return wxGetHostName(buf, maxSize);
}
// Get user ID e.g. jacs
bool wxGetUserId(wxChar *buf, int maxSize)
{
-#if defined(__WIN32__) && !defined(__win32s__) && !defined(__TWIN32__)
+#if defined(__WXWINCE__)
+ return false;
+#elif defined(__WIN32__) && !defined(__WXMICROWIN__)
DWORD nSize = maxSize;
if ( ::GetUserName(buf, &nSize) == 0 )
{
if ( res == 0 )
{
// not found
- return FALSE;
+ return false;
}
}
- return TRUE;
-#else // Win16 or Win32s
- wxChar *user;
- const wxChar *default_id = wxT("anonymous");
-
- // Can't assume we have NIS (PC-NFS) or some other ID daemon
- // So we ...
- if ( (user = wxGetenv(wxT("USER"))) == NULL &&
- (user = wxGetenv(wxT("LOGNAME"))) == NULL )
- {
- // Use wxWindows configuration data (comming soon)
- GetProfileString(WX_SECTION, eUSERID, default_id, buf, maxSize - 1);
- }
- else
- {
- wxStrncpy(buf, user, maxSize - 1);
- }
-
- return *buf ? TRUE : FALSE;
+ return true;
+#else // __WXMICROWIN__
+ wxChar *user;
+ const wxChar *default_id = wxT("anonymous");
+
+ // Can't assume we have NIS (PC-NFS) or some other ID daemon
+ // So we ...
+ if ( (user = wxGetenv(wxT("USER"))) == NULL &&
+ (user = wxGetenv(wxT("LOGNAME"))) == NULL )
+ {
+ // Use wxWidgets configuration data (comming soon)
+ GetProfileString(WX_SECTION, eUSERID, default_id, buf, maxSize - 1);
+ }
+ else
+ {
+ wxStrncpy(buf, user, maxSize - 1);
+ }
+
+ return *buf ? true : false;
#endif
}
// Get user name e.g. Julian Smart
bool wxGetUserName(wxChar *buf, int maxSize)
{
-#if wxUSE_PENWINDOWS && !defined(__WATCOMC__) && !defined(__GNUWIN32__)
- 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
- {
-#ifdef USE_NET_API
+#if defined(__WXWINCE__)
+ return false;
+#elif defined(USE_NET_API)
CHAR szUserName[256];
if ( !wxGetUserId(szUserName, WXSIZEOF(szUserName)) )
- return FALSE;
+ return false;
// TODO how to get the domain name?
CHAR *szDomain = "";
// Convert ANSI user name and domain to Unicode
MultiByteToWideChar( CP_ACP, 0, szUserName, strlen(szUserName)+1,
- wszUserName, WXSIZEOF(wszUserName) );
+ wszUserName, WXSIZEOF(wszUserName) );
MultiByteToWideChar( CP_ACP, 0, szDomain, strlen(szDomain)+1,
- wszDomain, WXSIZEOF(wszDomain) );
+ wszDomain, WXSIZEOF(wszDomain) );
// Get the computer name of a DC for the domain.
if ( NetGetDCName( NULL, wszDomain, &ComputerName ) != NERR_Success )
// Look up the user on the DC
NET_API_STATUS status = NetUserGetInfo( (LPWSTR)ComputerName,
- (LPWSTR)&wszUserName,
- 2, // level - we want USER_INFO_2
- (LPBYTE *) &ui2 );
+ (LPWSTR)&wszUserName,
+ 2, // level - we want USER_INFO_2
+ (LPBYTE *) &ui2 );
switch ( status )
{
case NERR_Success:
// Convert the Unicode full name to ANSI
WideCharToMultiByte( CP_ACP, 0, ui2->usri2_full_name, -1,
- buf, maxSize, NULL, NULL );
+ buf, maxSize, NULL, NULL );
- return TRUE;
+ return true;
error:
- wxLogError(wxT("Couldn't look up full user name."));
+ wxLogError(wxT("Couldn't look up full user name."));
- return FALSE;
+ return false;
#else // !USE_NET_API
// Could use NIS, MS-Mail or other site specific programs
- // Use wxWindows configuration data
- bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxT(""), buf, maxSize - 1) != 0;
+ // Use wxWidgets configuration data
+ bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxEmptyString, buf, maxSize - 1) != 0;
if ( !ok )
{
ok = wxGetUserId(buf, maxSize);
wxStrncpy(buf, wxT("Unknown User"), maxSize);
}
#endif // Win32/16
- }
-
- return TRUE;
-}
-int wxKill(long pid, int sig)
-{
- return 0;
+ return true;
}
-//
-// Execute a program in an Interactive Shell
-//
-bool
-wxShell(const wxString& command)
+const wxChar* wxGetHomeDir(wxString *pstr)
{
- wxChar *shell;
- if ((shell = wxGetenv(wxT("COMSPEC"))) == NULL)
- shell = wxT("\\COMMAND.COM");
+ wxString& strDir = *pstr;
- wxChar tmp[255];
- if (command != wxT(""))
- wxSprintf(tmp, wxT("%s /c %s"), shell, WXSTRINGCAST command);
- else
- wxStrcpy(tmp, shell);
+ // first branch is for Cygwin
+#if defined(__UNIX__)
+ const wxChar *szHome = wxGetenv("HOME");
+ if ( szHome == NULL ) {
+ // we're homeless...
+ wxLogWarning(_("can't find user's HOME, using current directory."));
+ strDir = wxT(".");
+ }
+ else
+ strDir = szHome;
- return (wxExecute((wxChar *)tmp, FALSE) != 0);
-}
+ // add a trailing slash if needed
+ if ( strDir.Last() != wxT('/') )
+ strDir << wxT('/');
-// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
-long wxGetFreeMemory()
-{
-#if defined(__WIN32__) && !defined(__BORLANDC__) && !defined(__TWIN32__)
- MEMORYSTATUS memStatus;
- memStatus.dwLength = sizeof(MEMORYSTATUS);
- GlobalMemoryStatus(&memStatus);
- return memStatus.dwAvailPhys;
+ #ifdef __CYGWIN__
+ // Cygwin returns unix type path but that does not work well
+ static wxChar windowsPath[MAX_PATH];
+ cygwin_conv_to_full_win32_path(strDir, windowsPath);
+ strDir = windowsPath;
+ #endif
+#elif defined(__WXWINCE__)
+ // Nothing
#else
- return (long)GetFreeSpace(0);
-#endif
+ strDir.clear();
+
+ // If we have a valid HOME directory, as is used on many machines that
+ // have unix utilities on them, we should use that.
+ const wxChar *szHome = wxGetenv(wxT("HOME"));
+
+ if ( szHome != NULL )
+ {
+ strDir = szHome;
+ }
+ else // no HOME, try HOMEDRIVE/PATH
+ {
+ szHome = wxGetenv(wxT("HOMEDRIVE"));
+ if ( szHome != NULL )
+ strDir << szHome;
+ szHome = wxGetenv(wxT("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 ( wxStrcmp(szHome, wxT("\\")) == 0 )
+ strDir.clear();
+ }
+ }
+
+ if ( strDir.empty() )
+ {
+ // If we have a valid USERPROFILE directory, as is the case in
+ // Windows NT, 2000 and XP, we should use that as our home directory.
+ szHome = wxGetenv(wxT("USERPROFILE"));
+
+ if ( szHome != NULL )
+ strDir = szHome;
+ }
+
+ if ( !strDir.empty() )
+ {
+ // sometimes the value of HOME may be "%USERPROFILE%", so reexpand the
+ // value once again, it shouldn't hurt anyhow
+ strDir = wxExpandEnvVars(strDir);
+ }
+ else // fall back to the program directory
+ {
+ // extract the directory component of the program file name
+ wxSplitPath(wxGetFullModuleName(), &strDir, NULL, NULL);
+ }
+#endif // UNIX/Win
+
+ return strDir.c_str();
}
-// Sleep for nSecs seconds. Attempt a Windows implementation using timers.
-static bool inTimer = FALSE;
-class wxSleepTimer: public wxTimer
+wxChar *wxGetUserHome(const wxString& WXUNUSED(user))
{
- public:
- inline void Notify()
- {
- inTimer = FALSE;
- Stop();
- }
-};
+ // VZ: the old code here never worked for user != "" anyhow! Moreover, it
+ // returned sometimes a malloc()'d pointer, sometimes a pointer to a
+ // static buffer and sometimes I don't even know what.
+ static wxString s_home;
-static wxTimer *wxTheSleepTimer = NULL;
+ return (wxChar *)wxGetHomeDir(&s_home);
+}
-void wxUsleep(unsigned long milliseconds)
+bool wxDirExists(const wxString& dir)
{
-#ifdef __WIN32__
- ::Sleep(milliseconds);
-#else
- if (inTimer)
- return;
-
- wxTheSleepTimer = new wxSleepTimer;
- inTimer = TRUE;
- wxTheSleepTimer->Start(milliseconds);
- while (inTimer)
- {
- if (wxTheApp->Pending())
- wxTheApp->Dispatch();
- }
- delete wxTheSleepTimer;
- wxTheSleepTimer = NULL;
-#endif
+#ifdef __WXMICROWIN__
+ return wxPathExist(dir);
+#elif defined(__WIN32__)
+ DWORD attribs = GetFileAttributes(dir);
+ return ((attribs != (DWORD)-1) && (attribs & FILE_ATTRIBUTE_DIRECTORY));
+#endif // Win32/__WXMICROWIN__
}
-void wxSleep(int nSecs)
+bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
{
-#if 0 // WIN32 hangs app
- Sleep( 1000*nSecs );
+#ifdef __WXWINCE__
+ return false;
#else
- if (inTimer)
- return;
-
- wxTheSleepTimer = new wxSleepTimer;
- inTimer = TRUE;
- wxTheSleepTimer->Start(nSecs*1000);
- while (inTimer)
- {
- if (wxTheApp->Pending())
- wxTheApp->Dispatch();
- }
- delete wxTheSleepTimer;
- wxTheSleepTimer = NULL;
+ if ( path.empty() )
+ return false;
+
+// old w32api don't have ULARGE_INTEGER
+#if defined(__WIN32__) && \
+ (!defined(__GNUWIN32__) || wxCHECK_W32API_VERSION( 0, 3 ))
+ // GetDiskFreeSpaceEx() is not available under original Win95, check for
+ // it
+ typedef BOOL (WINAPI *GetDiskFreeSpaceEx_t)(LPCTSTR,
+ PULARGE_INTEGER,
+ PULARGE_INTEGER,
+ PULARGE_INTEGER);
+
+ GetDiskFreeSpaceEx_t
+ pGetDiskFreeSpaceEx = (GetDiskFreeSpaceEx_t)::GetProcAddress
+ (
+ ::GetModuleHandle(_T("kernel32.dll")),
+#if wxUSE_UNICODE
+ "GetDiskFreeSpaceExW"
+#else
+ "GetDiskFreeSpaceExA"
#endif
-}
+ );
-// Consume all events until no more left
-void wxFlushEvents()
-{
-// wxYield();
-}
+ if ( pGetDiskFreeSpaceEx )
+ {
+ ULARGE_INTEGER bytesFree, bytesTotal;
-// Output a debug mess., in a system dependent fashion.
-void wxDebugMsg(const wxChar *fmt ...)
-{
- va_list ap;
- static wxChar buffer[512];
+ // may pass the path as is, GetDiskFreeSpaceEx() is smart enough
+ if ( !pGetDiskFreeSpaceEx(path,
+ &bytesFree,
+ &bytesTotal,
+ NULL) )
+ {
+ wxLogLastError(_T("GetDiskFreeSpaceEx"));
- if (!wxTheApp->GetWantDebugOutput())
- return ;
+ return false;
+ }
- va_start(ap, fmt);
+ // ULARGE_INTEGER is a union of a 64 bit value and a struct containing
+ // two 32 bit fields which may be or may be not named - try to make it
+ // compile in all cases
+#if defined(__BORLANDC__) && !defined(_ANONYMOUS_STRUCT)
+ #define UL(ul) ul.u
+#else // anon union
+ #define UL(ul) ul
+#endif
+ if ( pTotal )
+ {
+ *pTotal = wxLongLong(UL(bytesTotal).HighPart, UL(bytesTotal).LowPart);
+ }
- wvsprintf(buffer,fmt,ap) ;
- OutputDebugString((LPCTSTR)buffer) ;
+ if ( pFree )
+ {
+ *pFree = wxLongLong(UL(bytesFree).HighPart, UL(bytesFree).LowPart);
+ }
+ }
+ else
+#endif // Win32
+ {
+ // there's a problem with drives larger than 2GB, GetDiskFreeSpaceEx()
+ // should be used instead - but if it's not available, fall back on
+ // GetDiskFreeSpace() nevertheless...
+
+ DWORD lSectorsPerCluster,
+ lBytesPerSector,
+ lNumberOfFreeClusters,
+ lTotalNumberOfClusters;
+
+ // FIXME: this is wrong, we should extract the root drive from path
+ // instead, but this is the job for wxFileName...
+ if ( !::GetDiskFreeSpace(path,
+ &lSectorsPerCluster,
+ &lBytesPerSector,
+ &lNumberOfFreeClusters,
+ &lTotalNumberOfClusters) )
+ {
+ wxLogLastError(_T("GetDiskFreeSpace"));
- va_end(ap);
-}
+ return false;
+ }
-// Non-fatal error: pop up message box and (possibly) continue
-void wxError(const wxString& msg, const wxString& title)
-{
- wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
- if (MessageBox(NULL, (LPCTSTR)wxBuffer, (LPCTSTR)WXSTRINGCAST title,
- MB_ICONSTOP | MB_YESNO) == IDNO)
- wxExit();
-}
+ wxLongLong lBytesPerCluster = lSectorsPerCluster;
+ lBytesPerCluster *= lBytesPerSector;
-// Fatal error: pop up message box and abort
-void wxFatalError(const wxString& msg, const wxString& title)
-{
- wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
- FatalAppExit(0, (LPCTSTR)wxBuffer);
-}
+ if ( pTotal )
+ {
+ *pTotal = lBytesPerCluster;
+ *pTotal *= lTotalNumberOfClusters;
+ }
-// Emit a beeeeeep
-void wxBell()
-{
- // Removed by RD because IHMO syncronous sound is a Bad Thing. MessageBeep
- // will do a similar thing anyway if there is no sound card...
-//#ifdef __WIN32__
-// Beep(1000,1000) ; // 1kHz during 1 sec.
-//#else
- MessageBeep((UINT)-1) ;
-//#endif
-}
+ if ( pFree )
+ {
+ *pFree = lBytesPerCluster;
+ *pFree *= lNumberOfFreeClusters;
+ }
+ }
-// Chris Breeze 27/5/98: revised WIN32 code to
-// detect WindowsNT correctly
-int wxGetOsVersion(int *majorVsn, int *minorVsn)
-{
- if (majorVsn) *majorVsn = 0;
- if (minorVsn) *minorVsn = 0;
-
-#if defined(__WIN32__) && !defined(__SC__)
- 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 = 0;
-# ifdef __WINDOWS_386__
- retValue = wxWIN386;
-# else
-# if !defined(__WATCOMC__) && !defined(GNUWIN32) && wxUSE_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 ;
+ return true;
#endif
+ // __WXWINCE__
}
-// Reading and writing resources (eg WIN.INI, .Xdefaults)
-#if wxUSE_RESOURCES
-bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
-{
- if (file != wxT(""))
- return (WritePrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)value, (LPCTSTR)WXSTRINGCAST file) != 0);
- else
- return (WriteProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)WXSTRINGCAST value) != 0);
-}
+// ----------------------------------------------------------------------------
+// env vars
+// ----------------------------------------------------------------------------
-bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
+bool wxGetEnv(const wxString& var, wxString *value)
{
- wxChar buf[50];
- wxSprintf(buf, wxT("%.4f"), value);
- return wxWriteResource(section, entry, buf, file);
-}
+#ifdef __WXWINCE__
+ return false;
+#else // Win32
+ // first get the size of the buffer
+ DWORD dwRet = ::GetEnvironmentVariable(var, NULL, 0);
+ if ( !dwRet )
+ {
+ // this means that there is no such variable
+ return false;
+ }
-bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
-{
- wxChar buf[50];
- wxSprintf(buf, wxT("%ld"), value);
- return wxWriteResource(section, entry, buf, file);
-}
+ if ( value )
+ {
+ (void)::GetEnvironmentVariable(var, wxStringBuffer(*value, dwRet),
+ dwRet);
+ }
-bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
-{
- wxChar buf[50];
- wxSprintf(buf, wxT("%d"), value);
- return wxWriteResource(section, entry, buf, file);
+ return true;
+#endif // WinCE/32
}
-bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file)
+bool wxSetEnv(const wxString& var, const wxChar *value)
{
- static const wxChar defunkt[] = wxT("$$default");
- if (file != wxT(""))
- {
- int n = GetPrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
- (LPTSTR)wxBuffer, 1000, (LPCTSTR)WXSTRINGCAST file);
- if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
- return FALSE;
- }
- else
- {
- int n = GetProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
- (LPTSTR)wxBuffer, 1000);
- if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
- return FALSE;
- }
- if (*value) delete[] (*value);
- *value = copystring(wxBuffer);
- return TRUE;
+ // some compilers have putenv() or _putenv() or _wputenv() but it's better
+ // to always use Win32 function directly instead of dealing with them
+#if defined(__WIN32__) && !defined(__WXWINCE__)
+ if ( !::SetEnvironmentVariable(var, value) )
+ {
+ wxLogLastError(_T("SetEnvironmentVariable"));
+
+ return false;
}
-bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
-{
- wxChar *s = NULL;
- bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
- if (succ)
- {
- *value = (float)wxStrtod(s, NULL);
- delete[] s;
- return TRUE;
- }
- else return FALSE;
+ return true;
+#else // no way to set env vars
+ return false;
+#endif
}
-bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
-{
- wxChar *s = NULL;
- bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
- if (succ)
- {
- *value = wxStrtol(s, NULL, 10);
- delete[] s;
- return TRUE;
- }
- else return FALSE;
-}
+// ----------------------------------------------------------------------------
+// process management
+// ----------------------------------------------------------------------------
-bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
+// structure used to pass parameters from wxKill() to wxEnumFindByPidProc()
+struct wxFindByPidParams
{
- wxChar *s = NULL;
- bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
- if (succ)
- {
- *value = (int)wxStrtol(s, NULL, 10);
- delete[] s;
- return TRUE;
- }
- else return FALSE;
-}
-#endif // wxUSE_RESOURCES
+ wxFindByPidParams() { hwnd = 0; pid = 0; }
-// ---------------------------------------------------------------------------
-// helper functions for showing a "busy" cursor
-// ---------------------------------------------------------------------------
+ // the HWND used to return the result
+ HWND hwnd;
-HCURSOR gs_wxBusyCursor = 0; // new, busy cursor
-HCURSOR gs_wxBusyCursorOld = 0; // old cursor
-static int gs_wxBusyCursorCount = 0;
+ // the PID we're looking from
+ DWORD pid;
-// Set the cursor to the busy cursor for all windows
-void wxBeginBusyCursor(wxCursor *cursor)
-{
- if ( gs_wxBusyCursorCount++ == 0 )
- {
- gs_wxBusyCursor = (HCURSOR)cursor->GetHCURSOR();
- gs_wxBusyCursorOld = ::SetCursor(gs_wxBusyCursor);
- }
- //else: nothing to do, already set
-}
+ DECLARE_NO_COPY_CLASS(wxFindByPidParams)
+};
-// Restore cursor to normal
-void wxEndBusyCursor()
+// wxKill helper: EnumWindows() callback which is used to find the first (top
+// level) window belonging to the given process
+BOOL CALLBACK wxEnumFindByPidProc(HWND hwnd, LPARAM lParam)
{
- wxCHECK_RET( gs_wxBusyCursorCount > 0,
- wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
+ DWORD pid;
+ (void)::GetWindowThreadProcessId(hwnd, &pid);
- if ( --gs_wxBusyCursorCount == 0 )
+ wxFindByPidParams *params = (wxFindByPidParams *)lParam;
+ if ( pid == params->pid )
{
- ::SetCursor(gs_wxBusyCursorOld);
+ // remember the window we found
+ params->hwnd = hwnd;
- gs_wxBusyCursorOld = 0;
+ // return FALSE to stop the enumeration
+ return FALSE;
}
-}
-// TRUE if we're between the above two calls
-bool wxIsBusy()
-{
- return (gs_wxBusyCursorCount > 0);
+ // continue enumeration
+ return TRUE;
}
-// ---------------------------------------------------------------------------
-const wxChar* wxGetHomeDir(wxString *pstr)
+int wxKillAllChildren(long pid, wxSignal sig, wxKillError *krc);
+
+int wxKill(long pid, wxSignal sig, wxKillError *krc, int flags)
{
- wxString& strDir = *pstr;
+ if (flags & wxKILL_CHILDREN)
+ wxKillAllChildren(pid, sig, krc);
+
+ // get the process handle to operate on
+ HANDLE hProcess = ::OpenProcess(SYNCHRONIZE |
+ PROCESS_TERMINATE |
+ PROCESS_QUERY_INFORMATION,
+ FALSE, // not inheritable
+ (DWORD)pid);
+ if ( hProcess == NULL )
+ {
+ if ( krc )
+ {
+ if ( ::GetLastError() == ERROR_ACCESS_DENIED )
+ {
+ *krc = wxKILL_ACCESS_DENIED;
+ }
+ else
+ {
+ *krc = wxKILL_NO_PROCESS;
+ }
+ }
- #if defined(__UNIX__) && !defined(__TWIN32__)
- const wxChar *szHome = wxGetenv("HOME");
- if ( szHome == NULL ) {
- // we're homeless...
- wxLogWarning(_("can't find user's HOME, using current directory."));
- strDir = wxT(".");
+ return -1;
}
- else
- strDir = szHome;
- // add a trailing slash if needed
- if ( strDir.Last() != wxT('/') )
- strDir << wxT('/');
- #else // Windows
- #ifdef __WIN32__
- const wxChar *szHome = wxGetenv(wxT("HOMEDRIVE"));
- if ( szHome != NULL )
- strDir << szHome;
- szHome = wxGetenv(wxT("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 ( wxStrcmp(szHome, wxT("\\")) != 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();
+ bool ok = true;
+ switch ( sig )
+ {
+ case wxSIGKILL:
+ // kill the process forcefully returning -1 as error code
+ if ( !::TerminateProcess(hProcess, (UINT)-1) )
+ {
+ wxLogSysError(_("Failed to kill process %d"), pid);
+
+ if ( krc )
+ {
+ // this is not supposed to happen if we could open the
+ // process
+ *krc = wxKILL_ERROR;
+ }
+
+ ok = false;
+ }
+ break;
- // extract the dir name
- wxSplitPath(strPath, &strDir, NULL, NULL);
+ case wxSIGNONE:
+ // do nothing, we just want to test for process existence
+ break;
- #endif // UNIX/Win
+ default:
+ // any other signal means "terminate"
+ {
+ wxFindByPidParams params;
+ params.pid = (DWORD)pid;
+
+ // EnumWindows() has nice semantics: it returns 0 if it found
+ // something or if an error occured and non zero if it
+ // enumerated all the window
+ if ( !::EnumWindows(wxEnumFindByPidProc, (LPARAM)¶ms) )
+ {
+ // did we find any window?
+ if ( params.hwnd )
+ {
+ // tell the app to close
+ //
+ // NB: this is the harshest way, the app won't have
+ // opportunity to save any files, for example, but
+ // this is probably what we want here. If not we
+ // can also use SendMesageTimeout(WM_CLOSE)
+ if ( !::PostMessage(params.hwnd, WM_QUIT, 0, 0) )
+ {
+ wxLogLastError(_T("PostMessage(WM_QUIT)"));
+ }
+ }
+ else // it was an error then
+ {
+ wxLogLastError(_T("EnumWindows"));
+
+ ok = false;
+ }
+ }
+ else // no windows for this PID
+ {
+ if ( krc )
+ {
+ *krc = wxKILL_ERROR;
+ }
+
+ ok = false;
+ }
+ }
+ }
- return strDir.c_str();
-}
+ // the return code
+ DWORD rc;
-// Hack for MS-DOS
-wxChar *wxGetUserHome (const wxString& user)
-{
- wxChar *home;
- wxString user1(user);
-
- if (user1 != wxT("")) {
- wxChar tmp[64];
- if (wxGetUserId(tmp, sizeof(tmp)/sizeof(char))) {
- // Guests belong in the temp dir
- if (wxStricmp(tmp, wxT("annonymous")) == 0) {
- if ((home = wxGetenv(wxT("TMP"))) != NULL ||
- (home = wxGetenv(wxT("TMPDIR"))) != NULL ||
- (home = wxGetenv(wxT("TEMP"))) != NULL)
- return *home ? home : (wxChar*)wxT("\\");
- }
- if (wxStricmp(tmp, WXSTRINGCAST user1) == 0)
- user1 = wxT("");
+ if ( ok )
+ {
+ // as we wait for a short time, we can use just WaitForSingleObject()
+ // and not MsgWaitForMultipleObjects()
+ switch ( ::WaitForSingleObject(hProcess, 500 /* msec */) )
+ {
+ case WAIT_OBJECT_0:
+ // process terminated
+ if ( !::GetExitCodeProcess(hProcess, &rc) )
+ {
+ wxLogLastError(_T("GetExitCodeProcess"));
+ }
+ break;
+
+ default:
+ wxFAIL_MSG( _T("unexpected WaitForSingleObject() return") );
+ // fall through
+
+ case WAIT_FAILED:
+ wxLogLastError(_T("WaitForSingleObject"));
+ // fall through
+
+ case WAIT_TIMEOUT:
+ if ( krc )
+ {
+ *krc = wxKILL_ERROR;
+ }
+
+ rc = STILL_ACTIVE;
+ break;
+ }
}
- }
- if (user1 == wxT(""))
- if ((home = wxGetenv(wxT("HOME"))) != NULL)
+ else // !ok
{
- wxStrcpy(wxBuffer, home);
- Unix2DosFilename(wxBuffer);
- return wxBuffer;
+ // just to suppress the warnings about uninitialized variable
+ rc = 0;
}
- 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);
+ ::CloseHandle(hProcess);
+
+ // the return code is the same as from Unix kill(): 0 if killed
+ // successfully or -1 on error
+ //
+ // be careful to interpret rc correctly: for wxSIGNONE we return success if
+ // the process exists, for all the other sig values -- if it doesn't
+ if ( ok &&
+ ((sig == wxSIGNONE) == (rc == STILL_ACTIVE)) )
+ {
+ if ( krc )
+ {
+ *krc = wxKILL_OK;
+ }
+
+ return 0;
}
- return TRUE;//*** temporary?
- }
- else{
- wxFAIL_MSG(wxT("wnd==NULL !!!"));
- return FALSE;//*** temporary?
- }
+ // error
+ return -1;
}
-// MSW only: get user-defined resource from the .res file.
-// Returns NULL or newly-allocated memory, so use delete[] to clean up.
-
-#ifdef __WXMSW__
-wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType)
+HANDLE (WINAPI *lpfCreateToolhelp32Snapshot)(DWORD,DWORD) ;
+BOOL (WINAPI *lpfProcess32First)(HANDLE,LPPROCESSENTRY32) ;
+BOOL (WINAPI *lpfProcess32Next)(HANDLE,LPPROCESSENTRY32) ;
+
+static void InitToolHelp32()
{
- wxChar *s = NULL;
-#if !defined(__WIN32__) || defined(__TWIN32__)
- HRSRC hResource = ::FindResource(wxGetInstance(), WXSTRINGCAST resourceName, WXSTRINGCAST resourceType);
-#else
-#ifdef UNICODE
- HRSRC hResource = ::FindResourceW(wxGetInstance(), WXSTRINGCAST resourceName, WXSTRINGCAST resourceType);
+ static bool s_initToolHelpDone = false;
+
+ if (s_initToolHelpDone)
+ return;
+
+ s_initToolHelpDone = true;
+
+ lpfCreateToolhelp32Snapshot = NULL;
+ lpfProcess32First = NULL;
+ lpfProcess32Next = NULL;
+
+ HINSTANCE hInstLib = LoadLibrary( wxT("Kernel32.DLL") ) ;
+ if( hInstLib == NULL )
+ return ;
+
+ // Get procedure addresses.
+ // We are linking to these functions of Kernel32
+ // explicitly, because otherwise a module using
+ // this code would fail to load under Windows NT,
+ // which does not have the Toolhelp32
+ // functions in the Kernel 32.
+ lpfCreateToolhelp32Snapshot=
+ (HANDLE(WINAPI *)(DWORD,DWORD))
+ GetProcAddress( hInstLib,
+#ifdef __WXWINCE__
+ wxT("CreateToolhelp32Snapshot")
#else
- HRSRC hResource = ::FindResourceA(wxGetInstance(), WXSTRINGCAST resourceName, WXSTRINGCAST resourceType);
+ "CreateToolhelp32Snapshot"
#endif
+ ) ;
+
+ lpfProcess32First=
+ (BOOL(WINAPI *)(HANDLE,LPPROCESSENTRY32))
+ GetProcAddress( hInstLib,
+#ifdef __WXWINCE__
+ wxT("Process32First")
+#else
+ "Process32First"
#endif
+ ) ;
- if (hResource == 0)
- return NULL;
- HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource);
- if (hData == 0)
- return NULL;
- wxChar *theText = (wxChar *)LockResource(hData);
- if (!theText)
- return NULL;
-
- s = copystring(theText);
-
- // Obsolete in WIN32
-#ifndef __WIN32__
- UnlockResource(hData);
+ lpfProcess32Next=
+ (BOOL(WINAPI *)(HANDLE,LPPROCESSENTRY32))
+ GetProcAddress( hInstLib,
+#ifdef __WXWINCE__
+ wxT("Process32Next")
+#else
+ "Process32Next"
#endif
+ ) ;
- // No need??
-// GlobalFree(hData);
-
- return s;
+ FreeLibrary( hInstLib ) ;
}
-#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()
+// By John Skiff
+int wxKillAllChildren(long pid, wxSignal sig, wxKillError *krc)
{
- HDC dc = ::GetDC((HWND) NULL);
- bool flag;
- int noCols = GetDeviceCaps(dc, NUMCOLORS);
- if ((noCols == -1) || (noCols > 2))
- flag = TRUE;
- else
- flag = FALSE;
- ReleaseDC((HWND) NULL, dc);
- return flag;
+ InitToolHelp32();
+
+ if (krc)
+ *krc = wxKILL_OK;
+
+ // If not implemented for this platform (e.g. NT 4.0), silently ignore
+ if (!lpfCreateToolhelp32Snapshot || !lpfProcess32First || !lpfProcess32Next)
+ return 0;
+
+ // Take a snapshot of all processes in the system.
+ HANDLE hProcessSnap = lpfCreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+ if (hProcessSnap == INVALID_HANDLE_VALUE) {
+ if (krc)
+ *krc = wxKILL_ERROR;
+ return -1;
+ }
+
+ //Fill in the size of the structure before using it.
+ PROCESSENTRY32 pe = {0};
+ pe.dwSize = sizeof(PROCESSENTRY32);
+
+ // Walk the snapshot of the processes, and for each process,
+ // kill it if its parent is pid.
+ if (!lpfProcess32First(hProcessSnap, &pe)) {
+ // Can't get first process.
+ if (krc)
+ *krc = wxKILL_ERROR;
+ CloseHandle (hProcessSnap);
+ return -1;
+ }
+
+ do {
+ if (pe.th32ParentProcessID == (DWORD) pid) {
+ if (wxKill(pe.th32ProcessID, sig, krc))
+ return -1;
+ }
+ } while (lpfProcess32Next (hProcessSnap, &pe));
+
+
+ return 0;
}
-// Returns depth of screen
-int wxDisplayDepth()
+// Execute a program in an Interactive Shell
+bool wxShell(const wxString& command)
{
- HDC dc = ::GetDC((HWND) NULL);
- int planes = GetDeviceCaps(dc, PLANES);
- int bitsPerPixel = GetDeviceCaps(dc, BITSPIXEL);
- int depth = planes*bitsPerPixel;
- ReleaseDC((HWND) NULL, dc);
- return depth;
-}
+ wxString cmd;
-// Get size of display
-void wxDisplaySize(int *width, int *height)
-{
- HDC dc = ::GetDC((HWND) NULL);
- *width = GetDeviceCaps(dc, HORZRES); *height = GetDeviceCaps(dc, VERTRES);
- ReleaseDC((HWND) NULL, dc);
+#ifdef __WXWINCE__
+ cmd = command;
+#else
+ wxChar *shell = wxGetenv(wxT("COMSPEC"));
+ if ( !shell )
+ shell = (wxChar*) wxT("\\COMMAND.COM");
+
+ if ( !command )
+ {
+ // just the shell
+ cmd = shell;
+ }
+ else
+ {
+ // pass the command to execute to the command processor
+ cmd.Printf(wxT("%s /c %s"), shell, command.c_str());
+ }
+#endif
+
+ return wxExecute(cmd, wxEXEC_SYNC) == 0;
}
-bool wxDirExists(const wxString& dir)
+// Shutdown or reboot the PC
+bool wxShutdown(wxShutdownFlags wFlags)
{
- /* 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
+#ifdef __WXWINCE__
+ return false;
+#elif defined(__WIN32__)
+ bool bOK = true;
-#if defined(__WIN32__)
- HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
+ if ( wxGetOsVersion(NULL, NULL) == wxWINDOWS_NT ) // if is NT or 2K
+ {
+ // Get a token for this process.
+ HANDLE hToken;
+ bOK = ::OpenProcessToken(GetCurrentProcess(),
+ TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY,
+ &hToken) != 0;
+ if ( bOK )
+ {
+ TOKEN_PRIVILEGES tkp;
- 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));
+ // Get the LUID for the shutdown privilege.
+ ::LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,
+ &tkp.Privileges[0].Luid);
+
+ tkp.PrivilegeCount = 1; // one privilege to set
+ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
+
+ // Get the shutdown privilege for this process.
+ ::AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,
+ (PTOKEN_PRIVILEGES)NULL, 0);
+
+ // Cannot test the return value of AdjustTokenPrivileges.
+ bOK = ::GetLastError() == ERROR_SUCCESS;
+ }
+ }
+
+ if ( bOK )
+ {
+ UINT flags = EWX_SHUTDOWN | EWX_FORCE;
+ switch ( wFlags )
+ {
+ case wxSHUTDOWN_POWEROFF:
+ flags |= EWX_POWEROFF;
+ break;
+
+ case wxSHUTDOWN_REBOOT:
+ flags |= EWX_REBOOT;
+ break;
+
+ default:
+ wxFAIL_MSG( _T("unknown wxShutdown() flag") );
+ return false;
+ }
+
+ bOK = ::ExitWindowsEx(flags, 0) != 0;
+ }
+
+ return bOK;
+#endif // Win32/16
+}
+
+// ----------------------------------------------------------------------------
+// misc
+// ----------------------------------------------------------------------------
+
+// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
+long wxGetFreeMemory()
+{
+#if defined(__WIN32__) && !defined(__BORLANDC__)
+ MEMORYSTATUS memStatus;
+ memStatus.dwLength = sizeof(MEMORYSTATUS);
+ GlobalMemoryStatus(&memStatus);
+ return memStatus.dwAvailPhys;
#else
- return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
-#endif
+ return (long)GetFreeSpace(0);
#endif
}
-// ---------------------------------------------------------------------------
-// window information functions
-// ---------------------------------------------------------------------------
-
-wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd)
+unsigned long wxGetProcessId()
{
- wxString str;
- int len = GetWindowTextLength((HWND)hWnd) + 1;
- GetWindowText((HWND)hWnd, str.GetWriteBuf(len), len);
- str.UngetWriteBuf();
+ return ::GetCurrentProcessId();
+}
- return str;
+// Emit a beeeeeep
+void wxBell()
+{
+ ::MessageBeep((UINT)-1); // default sound
}
-wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd)
+wxString wxGetOsDescription()
{
wxString str;
- int len = 256; // some starting value
+ OSVERSIONINFO info;
+ wxZeroMemory(info);
- for ( ;; )
+ info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+ if ( ::GetVersionEx(&info) )
{
- // as we've #undefined GetClassName we must now manually choose the
- // right function to call
- int count =
-
- #ifndef __WIN32__
- GetClassName
- #else // Win32
- #ifdef UNICODE
- GetClassNameW
- #else // !Unicode
- #ifdef __TWIN32__
- GetClassName
- #else // !Twin32
- GetClassNameA
- #endif // Twin32/!Twin32
- #endif // Unicode/ANSI
- #endif // Win16/32
- ((HWND)hWnd, str.GetWriteBuf(len), len);
-
- str.UngetWriteBuf();
- if ( count == len )
+ switch ( info.dwPlatformId )
{
- // the class name might have been truncated, retry with larger
- // buffer
- len *= 2;
+ case VER_PLATFORM_WIN32s:
+ str = _("Win32s on Windows 3.1");
+ break;
+
+ case VER_PLATFORM_WIN32_WINDOWS:
+ switch (info.dwMinorVersion)
+ {
+ case 0:
+ if ( info.szCSDVersion[1] == 'B' ||
+ info.szCSDVersion[1] == 'C' )
+ {
+ str = _("Windows 95 OSR2");
+ }
+ else
+ {
+ str = _("Windows 95");
+ }
+ break;
+ case 10:
+ if ( info.szCSDVersion[1] == 'B' ||
+ info.szCSDVersion[1] == 'C' )
+ {
+ str = _("Windows 98 SE");
+ }
+ else
+ {
+ str = _("Windows 98");
+ }
+ break;
+ case 90:
+ str = _("Windows ME");
+ break;
+ default:
+ str.Printf(_("Windows 9x (%d.%d)"),
+ info.dwMajorVersion,
+ info.dwMinorVersion);
+ break;
+ }
+ if ( !wxIsEmpty(info.szCSDVersion) )
+ {
+ str << _T(" (") << info.szCSDVersion << _T(')');
+ }
+ break;
+
+ case VER_PLATFORM_WIN32_NT:
+ if ( info.dwMajorVersion == 5 )
+ {
+ switch ( info.dwMinorVersion )
+ {
+ case 0:
+ str.Printf(_("Windows 2000 (build %lu"),
+ info.dwBuildNumber);
+ break;
+ case 1:
+ str.Printf(_("Windows XP (build %lu"),
+ info.dwBuildNumber);
+ break;
+ case 2:
+ str.Printf(_("Windows Server 2003 (build %lu"),
+ info.dwBuildNumber);
+ break;
+ }
+ }
+ if ( wxIsEmpty(str) )
+ {
+ str.Printf(_("Windows NT %lu.%lu (build %lu"),
+ info.dwMajorVersion,
+ info.dwMinorVersion,
+ info.dwBuildNumber);
+ }
+ if ( !wxIsEmpty(info.szCSDVersion) )
+ {
+ str << _T(", ") << info.szCSDVersion;
+ }
+ str << _T(')');
+ break;
}
- else
+ }
+ else
+ {
+ wxFAIL_MSG( _T("GetVersionEx() failed") ); // should never happen
+ }
+
+ return str;
+}
+
+wxToolkitInfo& wxAppTraits::GetToolkitInfo()
+{
+ // cache the version info, it's not going to change
+ //
+ // NB: this is MT-safe, we may use these static vars from different threads
+ // but as they always have the same value it doesn't matter
+ static int s_ver = -1,
+ s_major = -1,
+ s_minor = -1;
+
+ if ( s_ver == -1 )
+ {
+ OSVERSIONINFO info;
+ wxZeroMemory(info);
+
+ s_ver = wxWINDOWS;
+ info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+ if ( ::GetVersionEx(&info) )
{
- break;
+ s_major = info.dwMajorVersion;
+ s_minor = info.dwMinorVersion;
+
+ switch ( info.dwPlatformId )
+ {
+ case VER_PLATFORM_WIN32s:
+ s_ver = wxWIN32S;
+ break;
+
+ case VER_PLATFORM_WIN32_WINDOWS:
+ s_ver = wxWIN95;
+ break;
+
+ case VER_PLATFORM_WIN32_NT:
+ s_ver = wxWINDOWS_NT;
+ break;
+#ifdef __WXWINCE__
+ case VER_PLATFORM_WIN32_CE:
+ s_ver = wxWINDOWS_CE;
+ break;
+#endif
+ }
}
}
- return str;
+ static wxToolkitInfo info;
+ info.versionMajor = s_major;
+ info.versionMinor = s_minor;
+ info.os = s_ver;
+ info.name = _T("wxBase");
+ return info;
}
-WXWORD WXDLLEXPORT wxGetWindowId(WXHWND hWnd)
+// ----------------------------------------------------------------------------
+// sleep functions
+// ----------------------------------------------------------------------------
+
+void wxMilliSleep(unsigned long milliseconds)
{
-#ifndef __WIN32__
- return GetWindowWord((HWND)hWnd, GWW_ID);
-#else // Win32
- return GetWindowLong((HWND)hWnd, GWL_ID);
-#endif // Win16/32
+ ::Sleep(milliseconds);
}
-#if 0
-//------------------------------------------------------------------------
-// wild character routines
-//------------------------------------------------------------------------
+void wxMicroSleep(unsigned long microseconds)
+{
+ wxMilliSleep(microseconds/1000);
+}
-bool wxIsWild( const wxString& pattern )
+void wxSleep(int nSecs)
{
- wxString tmp = pattern;
- char *pat = WXSTRINGCAST(tmp);
- while (*pat) {
- switch (*pat++) {
- case '?': case '*': case '[': case '{':
- return TRUE;
- case '\\':
- if (!*pat++)
- return FALSE;
- }
- }
- return FALSE;
-};
+ wxMilliSleep(1000*nSecs);
+}
+// ----------------------------------------------------------------------------
+// font encoding <-> Win32 codepage conversion functions
+// ----------------------------------------------------------------------------
-bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
+extern WXDLLIMPEXP_BASE long wxEncodingToCharset(wxFontEncoding encoding)
{
- 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'));
-};
+ switch ( encoding )
+ {
+ // although this function is supposed to return an exact match, do do
+ // some mappings here for the most common case of "standard" encoding
+ case wxFONTENCODING_SYSTEM:
+ return DEFAULT_CHARSET;
-#endif
+ case wxFONTENCODING_ISO8859_1:
+ case wxFONTENCODING_ISO8859_15:
+ case wxFONTENCODING_CP1252:
+ return ANSI_CHARSET;
-#if defined(__WIN95__) && defined(__WXDEBUG__) && wxUSE_DBWIN32
+#if !defined(__WXMICROWIN__)
+ // The following four fonts are multi-byte charsets
+ case wxFONTENCODING_CP932:
+ return SHIFTJIS_CHARSET;
-/*
-When I started programming with Visual C++ v4.0, I missed one of my favorite
-tools -- DBWIN. Finding the code for a simple debug trace utility, DBMON,
-on MSDN was a step in the right direction, but it is a console application
-and thus has limited features and extensibility. DBWIN32 is my creation
-to solve this problem.
+ case wxFONTENCODING_CP936:
+ return GB2312_CHARSET;
-The code is essentially a merging of a stripped down version of the DBWIN code
-from VC 1.5 and DBMON.C with a few 32 bit changes.
+ case wxFONTENCODING_CP949:
+ return HANGUL_CHARSET;
-As of version 1.2B, DBWIN32 supports both Win95 and NT. The NT support is
-built into the operating system and works just by running DBWIN32. The Win95
-team decided not to support this hook, so I have provided code that will do
-this for you. See the file WIN95.TXT for instructions on installing this.
+ case wxFONTENCODING_CP950:
+ return CHINESEBIG5_CHARSET;
-If you have questions, problems or suggestions about DBWIN32, I welcome your
-feedback and plan to actively maintain the code.
+ // The rest are single byte encodings
+ case wxFONTENCODING_CP1250:
+ return EASTEUROPE_CHARSET;
-Andrew Tucker
-ast@halcyon.com
+ case wxFONTENCODING_CP1251:
+ return RUSSIAN_CHARSET;
-To download dbwin32, see e.g.:
+ case wxFONTENCODING_CP1253:
+ return GREEK_CHARSET;
-http://ftp.digital.com/pub/micro/NT/WinSite/programr/dbwin32.zip
-*/
+ case wxFONTENCODING_CP1254:
+ return TURKISH_CHARSET;
-#if !defined(__MWERKS__) && !defined(__SALFORDC__) && !defined(__TWIN32__)
-#include <process.h>
-#endif
+ case wxFONTENCODING_CP1255:
+ return HEBREW_CHARSET;
-void OutputDebugStringW95(const wxChar* lpOutputString, ...)
-{
- HANDLE heventDBWIN; /* DBWIN32 synchronization object */
- HANDLE heventData; /* data passing synch object */
- HANDLE hSharedFile; /* memory mapped file shared data */
- LPSTR lpszSharedMem;
- wxChar achBuffer[500];
-
- /* create the output buffer */
- va_list args;
- va_start(args, lpOutputString);
- wxVsprintf(achBuffer, lpOutputString, args);
- va_end(args);
-
- /*
- Do a regular OutputDebugString so that the output is
- still seen in the debugger window if it exists.
-
- This ifdef is necessary to avoid infinite recursion
- from the inclusion of W95TRACE.H
- */
-#ifdef _UNICODE
- ::OutputDebugStringW(achBuffer);
-#else
-#ifdef __TWIN32__
- ::OutputDebugString(achBuffer);
-#else
- ::OutputDebugStringA(achBuffer);
-#endif
-#endif
+ case wxFONTENCODING_CP1256:
+ return ARABIC_CHARSET;
- /* bail if it's not Win95 */
- {
- OSVERSIONINFO VerInfo;
- VerInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
- GetVersionEx(&VerInfo);
- if ( VerInfo.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS )
- return;
- }
+ case wxFONTENCODING_CP1257:
+ return BALTIC_CHARSET;
- /* make sure DBWIN is open and waiting */
- heventDBWIN = OpenEvent(EVENT_MODIFY_STATE, FALSE, wxT("DBWIN_BUFFER_READY"));
- if ( !heventDBWIN )
- {
- //MessageBox(NULL, wxT("DBWIN_BUFFER_READY nonexistent"), NULL, MB_OK);
- return;
- }
+ case wxFONTENCODING_CP874:
+ return THAI_CHARSET;
+#endif // !__WXMICROWIN__
- /* get a handle to the data synch object */
- heventData = OpenEvent(EVENT_MODIFY_STATE, FALSE, wxT("DBWIN_DATA_READY"));
- if ( !heventData )
- {
- // MessageBox(NULL, wxT("DBWIN_DATA_READY nonexistent"), NULL, MB_OK);
- CloseHandle(heventDBWIN);
- return;
- }
+ case wxFONTENCODING_CP437:
+ return OEM_CHARSET;
- hSharedFile = CreateFileMapping((HANDLE)-1, NULL, PAGE_READWRITE, 0, 4096, wxT("DBWIN_BUFFER"));
- if (!hSharedFile)
- {
- //MessageBox(NULL, wxT("DebugTrace: Unable to create file mapping object DBWIN_BUFFER"), wxT("Error"), MB_OK);
- CloseHandle(heventDBWIN);
- CloseHandle(heventData);
- return;
+ default:
+ // no way to translate this encoding into a Windows charset
+ return -1;
}
+}
- lpszSharedMem = (LPSTR)MapViewOfFile(hSharedFile, FILE_MAP_WRITE, 0, 0, 512);
- if (!lpszSharedMem)
+// we have 2 versions of wxCharsetToCodepage(): the old one which directly
+// looks up the vlaues in the registry and the new one which is more
+// politically correct and has more chances to work on other Windows versions
+// as well but the old version is still needed for !wxUSE_FONTMAP case
+#if wxUSE_FONTMAP
+
+#include "wx/fontmap.h"
+
+extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding)
+{
+ // translate encoding into the Windows CHARSET
+ long charset = wxEncodingToCharset(encoding);
+ if ( charset == -1 )
+ return -1;
+
+ // translate CHARSET to code page
+ CHARSETINFO csetInfo;
+ if ( !::TranslateCharsetInfo((DWORD *)(DWORD)charset,
+ &csetInfo,
+ TCI_SRCCHARSET) )
{
- //MessageBox(NULL, wxT("DebugTrace: Unable to map shared memory"), wxT("Error"), MB_OK);
- CloseHandle(heventDBWIN);
- CloseHandle(heventData);
- return;
+ wxLogLastError(_T("TranslateCharsetInfo(TCI_SRCCHARSET)"));
+
+ return -1;
}
- /* wait for buffer event */
- WaitForSingleObject(heventDBWIN, INFINITE);
+ return csetInfo.ciACP;
+}
- /* write it to the shared memory */
-#if defined( __BORLANDC__ ) || defined( __MWERKS__ ) || defined(__SALFORDC__)
- *((LPDWORD)lpszSharedMem) = getpid();
-#else
- *((LPDWORD)lpszSharedMem) = _getpid();
-#endif
+extern long wxCharsetToCodepage(const wxChar *name)
+{
+ // first get the font encoding for this charset
+ if ( !name )
+ return -1;
- wsprintf((LPTSTR)(lpszSharedMem + sizeof(DWORD)), wxT("%s"), achBuffer);
+ wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(name, false);
+ if ( enc == wxFONTENCODING_SYSTEM )
+ return -1;
- /* signal data ready event */
- SetEvent(heventData);
+ // the use the helper function
+ return wxEncodingToCodepage(enc);
+}
- /* clean up handles */
- CloseHandle(hSharedFile);
- CloseHandle(heventData);
- CloseHandle(heventDBWIN);
+#else // !wxUSE_FONTMAP
- return;
-}
+#include "wx/msw/registry.h"
+// this should work if Internet Exploiter is installed
+extern long wxCharsetToCodepage(const wxChar *name)
+{
+ if (!name)
+ return GetACP();
-#endif
+ long CP = -1;
+ wxString path(wxT("MIME\\Database\\Charset\\"));
+ wxString cn(name);
-#if 0
+ // follow the alias loop
+ for ( ;; )
+ {
+ wxRegKey key(wxRegKey::HKCR, path + cn);
-// maximum mumber of lines the output console should have
-static const WORD MAX_CONSOLE_LINES = 500;
+ if (!key.Exists())
+ break;
-BOOL WINAPI MyConsoleHandler( DWORD dwCtrlType ) { // control signal type
- FreeConsole();
- return TRUE;
-}
+ // two cases: either there's an AliasForCharset string,
+ // or there are Codepage and InternetEncoding dwords.
+ // The InternetEncoding gives us the actual encoding,
+ // the Codepage just says which Windows character set to
+ // use when displaying the data.
+ if (key.HasValue(wxT("InternetEncoding")) &&
+ key.QueryValue(wxT("InternetEncoding"), &CP))
+ break;
-void wxRedirectIOToConsole()
-{
- int hConHandle;
- long lStdHandle;
- CONSOLE_SCREEN_BUFFER_INFO coninfo;
- FILE *fp;
-
- // allocate a console for this app
- AllocConsole();
-
- // set the screen buffer to be big enough to let us scroll text
- GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE),
- &coninfo);
- coninfo.dwSize.Y = MAX_CONSOLE_LINES;
- SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),
- coninfo.dwSize);
-
- // redirect unbuffered STDOUT to the console
- lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
- hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
- if(hConHandle <= 0) return;
- fp = _fdopen( hConHandle, "w" );
- *stdout = *fp;
- setvbuf( stdout, NULL, _IONBF, 0 );
-
- // redirect unbuffered STDIN to the console
- lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
- hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
- if(hConHandle <= 0) return;
- fp = _fdopen( hConHandle, "r" );
- *stdin = *fp;
- setvbuf( stdin, NULL, _IONBF, 0 );
-
- // redirect unbuffered STDERR to the console
- lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
- hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
- if(hConHandle <= 0) return;
- fp = _fdopen( hConHandle, "w" );
- *stderr = *fp;
- setvbuf( stderr, NULL, _IONBF, 0 );
-
- // make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog
- // point to console as well
- ios::sync_with_stdio();
-
- SetConsoleCtrlHandler(MyConsoleHandler, TRUE);
+ // no encoding, see if it's an alias
+ if (!key.HasValue(wxT("AliasForCharset")) ||
+ !key.QueryValue(wxT("AliasForCharset"), cn))
+ break;
+ }
+
+ return CP;
}
-#else
-// Not supported
-void wxRedirectIOToConsole()
+
+#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
+
+/*
+ Creates a hidden window with supplied window proc registering the class for
+ it if necesssary (i.e. the first time only). Caller is responsible for
+ destroying the window and unregistering the class (note that this must be
+ done because wxWidgets may be used as a DLL and so may be loaded/unloaded
+ multiple times into/from the same process so we cna't rely on automatic
+ Windows class unregistration).
+
+ pclassname is a pointer to a caller stored classname, which must initially be
+ NULL. classname is the desired wndclass classname. If function succesfully
+ registers the class, pclassname will be set to classname.
+ */
+extern "C" WXDLLIMPEXP_BASE HWND
+wxCreateHiddenWindow(LPCTSTR *pclassname, LPCTSTR classname, WNDPROC wndproc)
{
-}
-#endif
+ wxCHECK_MSG( classname && pclassname && wndproc, NULL,
+ _T("NULL parameter in wxCreateHiddenWindow") );
+
+ // register the class fi we need to first
+ if ( *pclassname == NULL )
+ {
+ WNDCLASS wndclass;
+ wxZeroMemory(wndclass);
+ wndclass.lpfnWndProc = wndproc;
+ wndclass.hInstance = wxGetInstance();
+ wndclass.lpszClassName = classname;
+
+ if ( !::RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass() in wxCreateHiddenWindow"));
+
+ return NULL;
+ }
+
+ *pclassname = classname;
+ }
+
+ // next create the window
+ HWND hwnd = ::CreateWindow
+ (
+ *pclassname,
+ NULL,
+ 0, 0, 0, 0,
+ 0,
+ (HWND) NULL,
+ (HMENU)NULL,
+ wxGetInstance(),
+ (LPVOID) NULL
+ );
+
+ if ( !hwnd )
+ {
+ wxLogLastError(wxT("CreateWindow() in wxCreateHiddenWindow"));
+ }
+
+ return hwnd;
+}
projects / wxWidgets.git / blobdiff