45f410f227
linker not complain about double symbols. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29422 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1277 lines
36 KiB
C++
1277 lines
36 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: msw/utils.cpp
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// Purpose: Various utilities
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/utils.h"
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#include "wx/app.h"
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#include "wx/intl.h"
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#include "wx/log.h"
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#endif //WX_PRECOMP
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#include "wx/apptrait.h"
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#include "wx/dynload.h"
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#include "wx/confbase.h" // for wxExpandEnvVars()
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#include "wx/msw/private.h" // includes <windows.h>
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#include "wx/msw/missing.h" // CHARSET_HANGUL
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#if defined(__GNUWIN32_OLD__) || defined(__WXWINCE__) \
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|| defined(__CYGWIN32__)
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// apparently we need to include winsock.h to get WSADATA and other stuff
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// used in wxGetFullHostName() with the old mingw32 versions
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#include <winsock.h>
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#endif
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#include "wx/timer.h"
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#if !defined(__GNUWIN32__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
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#include <direct.h>
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#ifndef __MWERKS__
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#include <dos.h>
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#endif
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#endif //GNUWIN32
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#if defined(__CYGWIN__)
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#include <sys/unistd.h>
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#include <sys/stat.h>
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#include <sys/cygwin.h> // for cygwin_conv_to_full_win32_path()
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#endif //GNUWIN32
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#ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
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// this (3.1 I believe) and how to test for it.
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// If this works for Borland 4.0 as well, then no worries.
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#include <dir.h>
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#endif
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// VZ: there is some code using NetXXX() functions to get the full user name:
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// I don't think it's a good idea because they don't work under Win95 and
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// seem to return the same as wxGetUserId() under NT. If you really want
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// to use them, just #define USE_NET_API
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#undef USE_NET_API
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#ifdef USE_NET_API
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#include <lm.h>
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#endif // USE_NET_API
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#if defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
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#ifndef __UNIX__
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#include <io.h>
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#endif
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#ifndef __GNUWIN32__
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#include <shellapi.h>
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#endif
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#endif
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#ifndef __WATCOMC__
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#if !(defined(_MSC_VER) && (_MSC_VER > 800))
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#include <errno.h>
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#endif
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#endif
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// 260 was taken from windef.h
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#ifndef MAX_PATH
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#define MAX_PATH 260
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#endif
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// In the WIN.INI file
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static const wxChar WX_SECTION[] = wxT("wxWindows");
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static const wxChar eUSERNAME[] = wxT("UserName");
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// ============================================================================
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// implementation
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// ============================================================================
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#if !wxUSE_UNICODE_MSLU
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bool wxUsingUnicowsDll()
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{
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return false;
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}
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#else
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bool wxUsingUnicowsDll()
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{
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return (wxGetOsVersion() == wxWIN95);
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}
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#endif
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// ----------------------------------------------------------------------------
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// get host name and related
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// ----------------------------------------------------------------------------
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// Get hostname only (without domain name)
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bool wxGetHostName(wxChar *buf, int maxSize)
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{
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#if defined(__WXWINCE__)
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return false;
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#elif defined(__WIN32__) && !defined(__WXMICROWIN__)
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DWORD nSize = maxSize;
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if ( !::GetComputerName(buf, &nSize) )
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{
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wxLogLastError(wxT("GetComputerName"));
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return false;
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}
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return true;
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#else
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wxChar *sysname;
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const wxChar *default_host = wxT("noname");
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if ((sysname = wxGetenv(wxT("SYSTEM_NAME"))) == NULL) {
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GetProfileString(WX_SECTION, eHOSTNAME, default_host, buf, maxSize - 1);
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} else
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wxStrncpy(buf, sysname, maxSize - 1);
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buf[maxSize] = wxT('\0');
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return *buf ? true : false;
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#endif
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}
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// get full hostname (with domain name if possible)
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bool wxGetFullHostName(wxChar *buf, int maxSize)
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{
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#if !defined( __WXMICROWIN__) && wxUSE_DYNAMIC_LOADER
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// TODO should use GetComputerNameEx() when available
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// we don't want to always link with Winsock DLL as we might not use it at
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// all, so load it dynamically here if needed (and don't complain if it is
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// missing, we handle this)
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wxLogNull noLog;
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wxDynamicLibrary dllWinsock(_T("ws2_32.dll"), wxDL_VERBATIM);
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if ( dllWinsock.IsLoaded() )
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{
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typedef int (PASCAL *WSAStartup_t)(WORD, WSADATA *);
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typedef int (PASCAL *gethostname_t)(char *, int);
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typedef hostent* (PASCAL *gethostbyname_t)(const char *);
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typedef hostent* (PASCAL *gethostbyaddr_t)(const char *, int , int);
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typedef int (PASCAL *WSACleanup_t)(void);
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#define LOAD_WINSOCK_FUNC(func) \
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func ## _t \
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pfn ## func = (func ## _t)dllWinsock.GetSymbol(_T(#func))
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LOAD_WINSOCK_FUNC(WSAStartup);
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WSADATA wsa;
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if ( pfnWSAStartup && pfnWSAStartup(MAKEWORD(1, 1), &wsa) == 0 )
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{
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LOAD_WINSOCK_FUNC(gethostname);
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wxString host;
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if ( pfngethostname )
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{
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char bufA[256];
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if ( pfngethostname(bufA, WXSIZEOF(bufA)) == 0 )
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{
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// gethostname() won't usually include the DNS domain name,
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// for this we need to work a bit more
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if ( !strchr(bufA, '.') )
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{
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LOAD_WINSOCK_FUNC(gethostbyname);
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struct hostent *pHostEnt = pfngethostbyname
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? pfngethostbyname(bufA)
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: NULL;
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if ( pHostEnt )
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{
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// Windows will use DNS internally now
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LOAD_WINSOCK_FUNC(gethostbyaddr);
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pHostEnt = pfngethostbyaddr
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? pfngethostbyaddr(pHostEnt->h_addr,
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4, AF_INET)
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: NULL;
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}
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if ( pHostEnt )
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{
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host = wxString::FromAscii(pHostEnt->h_name);
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}
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}
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}
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}
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LOAD_WINSOCK_FUNC(WSACleanup);
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if ( pfnWSACleanup )
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pfnWSACleanup();
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if ( !host.empty() )
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{
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wxStrncpy(buf, host, maxSize);
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return true;
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}
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}
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}
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#endif // !__WXMICROWIN__
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return wxGetHostName(buf, maxSize);
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}
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// Get user ID e.g. jacs
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bool wxGetUserId(wxChar *buf, int maxSize)
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{
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#if defined(__WXWINCE__)
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return false;
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#elif defined(__WIN32__) && !defined(__WXMICROWIN__)
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DWORD nSize = maxSize;
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if ( ::GetUserName(buf, &nSize) == 0 )
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{
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// actually, it does happen on Win9x if the user didn't log on
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DWORD res = ::GetEnvironmentVariable(wxT("username"), buf, maxSize);
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if ( res == 0 )
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{
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// not found
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return false;
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}
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}
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return true;
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#else // __WXMICROWIN__
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wxChar *user;
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const wxChar *default_id = wxT("anonymous");
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// Can't assume we have NIS (PC-NFS) or some other ID daemon
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// So we ...
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if ( (user = wxGetenv(wxT("USER"))) == NULL &&
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(user = wxGetenv(wxT("LOGNAME"))) == NULL )
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{
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// Use wxWidgets configuration data (comming soon)
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GetProfileString(WX_SECTION, eUSERID, default_id, buf, maxSize - 1);
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}
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else
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{
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wxStrncpy(buf, user, maxSize - 1);
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}
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return *buf ? true : false;
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#endif
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}
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// Get user name e.g. Julian Smart
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bool wxGetUserName(wxChar *buf, int maxSize)
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{
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#if defined(__WXWINCE__)
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return false;
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#elif defined(USE_NET_API)
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CHAR szUserName[256];
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if ( !wxGetUserId(szUserName, WXSIZEOF(szUserName)) )
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return false;
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// TODO how to get the domain name?
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CHAR *szDomain = "";
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// the code is based on the MSDN example (also see KB article Q119670)
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WCHAR wszUserName[256]; // Unicode user name
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WCHAR wszDomain[256];
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LPBYTE ComputerName;
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USER_INFO_2 *ui2; // User structure
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// Convert ANSI user name and domain to Unicode
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MultiByteToWideChar( CP_ACP, 0, szUserName, strlen(szUserName)+1,
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wszUserName, WXSIZEOF(wszUserName) );
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MultiByteToWideChar( CP_ACP, 0, szDomain, strlen(szDomain)+1,
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wszDomain, WXSIZEOF(wszDomain) );
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// Get the computer name of a DC for the domain.
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if ( NetGetDCName( NULL, wszDomain, &ComputerName ) != NERR_Success )
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{
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wxLogError(wxT("Can not find domain controller"));
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goto error;
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}
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// Look up the user on the DC
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NET_API_STATUS status = NetUserGetInfo( (LPWSTR)ComputerName,
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(LPWSTR)&wszUserName,
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2, // level - we want USER_INFO_2
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(LPBYTE *) &ui2 );
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switch ( status )
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{
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case NERR_Success:
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// ok
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break;
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case NERR_InvalidComputer:
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wxLogError(wxT("Invalid domain controller name."));
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goto error;
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case NERR_UserNotFound:
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wxLogError(wxT("Invalid user name '%s'."), szUserName);
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goto error;
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default:
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wxLogSysError(wxT("Can't get information about user"));
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goto error;
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}
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// Convert the Unicode full name to ANSI
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WideCharToMultiByte( CP_ACP, 0, ui2->usri2_full_name, -1,
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buf, maxSize, NULL, NULL );
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return true;
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error:
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wxLogError(wxT("Couldn't look up full user name."));
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return false;
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#else // !USE_NET_API
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// Could use NIS, MS-Mail or other site specific programs
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// Use wxWidgets configuration data
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bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxEmptyString, buf, maxSize - 1) != 0;
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if ( !ok )
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{
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ok = wxGetUserId(buf, maxSize);
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}
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if ( !ok )
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{
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wxStrncpy(buf, wxT("Unknown User"), maxSize);
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}
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#endif // Win32/16
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return true;
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}
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const wxChar* wxGetHomeDir(wxString *pstr)
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{
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wxString& strDir = *pstr;
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// first branch is for Cygwin
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#if defined(__UNIX__)
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const wxChar *szHome = wxGetenv("HOME");
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if ( szHome == NULL ) {
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// we're homeless...
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wxLogWarning(_("can't find user's HOME, using current directory."));
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strDir = wxT(".");
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}
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else
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strDir = szHome;
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// add a trailing slash if needed
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if ( strDir.Last() != wxT('/') )
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strDir << wxT('/');
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#ifdef __CYGWIN__
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// Cygwin returns unix type path but that does not work well
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static wxChar windowsPath[MAX_PATH];
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cygwin_conv_to_full_win32_path(strDir, windowsPath);
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strDir = windowsPath;
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#endif
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#elif defined(__WXWINCE__)
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// Nothing
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#else
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strDir.clear();
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|
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// If we have a valid HOME directory, as is used on many machines that
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// have unix utilities on them, we should use that.
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const wxChar *szHome = wxGetenv(wxT("HOME"));
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if ( szHome != NULL )
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{
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strDir = szHome;
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}
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else // no HOME, try HOMEDRIVE/PATH
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{
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szHome = wxGetenv(wxT("HOMEDRIVE"));
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if ( szHome != NULL )
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strDir << szHome;
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szHome = wxGetenv(wxT("HOMEPATH"));
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if ( szHome != NULL )
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{
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strDir << szHome;
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// the idea is that under NT these variables have default values
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// of "%systemdrive%:" and "\\". As we don't want to create our
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// config files in the root directory of the system drive, we will
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// create it in our program's dir. However, if the user took care
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// to set HOMEPATH to something other than "\\", we suppose that he
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// knows what he is doing and use the supplied value.
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if ( wxStrcmp(szHome, wxT("\\")) == 0 )
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strDir.clear();
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}
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}
|
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|
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if ( strDir.empty() )
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{
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// If we have a valid USERPROFILE directory, as is the case in
|
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// Windows NT, 2000 and XP, we should use that as our home directory.
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szHome = wxGetenv(wxT("USERPROFILE"));
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|
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if ( szHome != NULL )
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strDir = szHome;
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}
|
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|
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if ( !strDir.empty() )
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{
|
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// sometimes the value of HOME may be "%USERPROFILE%", so reexpand the
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// value once again, it shouldn't hurt anyhow
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strDir = wxExpandEnvVars(strDir);
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}
|
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else // fall back to the program directory
|
|
{
|
|
wxString strPath;
|
|
::GetModuleFileName(::GetModuleHandle(NULL),
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wxStringBuffer(strPath, MAX_PATH), MAX_PATH);
|
|
|
|
// extract the dir name
|
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wxSplitPath(strPath, &strDir, NULL, NULL);
|
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}
|
|
#endif // UNIX/Win
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|
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return strDir.c_str();
|
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}
|
|
|
|
wxChar *wxGetUserHome(const wxString& WXUNUSED(user))
|
|
{
|
|
// 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;
|
|
|
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return (wxChar *)wxGetHomeDir(&s_home);
|
|
}
|
|
|
|
bool wxDirExists(const wxString& dir)
|
|
{
|
|
#ifdef __WXMICROWIN__
|
|
return wxPathExist(dir);
|
|
#elif defined(__WIN32__)
|
|
DWORD attribs = GetFileAttributes(dir);
|
|
return ((attribs != (DWORD)-1) && (attribs & FILE_ATTRIBUTE_DIRECTORY));
|
|
#endif // Win32/__WXMICROWIN__
|
|
}
|
|
|
|
bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
|
|
{
|
|
#ifdef __WXWINCE__
|
|
return false;
|
|
#else
|
|
if ( path.empty() )
|
|
return false;
|
|
|
|
// old w32api don't have ULARGE_INTEGER
|
|
#if defined(__WIN32__) && \
|
|
(!defined(__GNUWIN32__) || wxCHECK_W32API_VERSION( 0, 3 ))
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|
// 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")),
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|
#if wxUSE_UNICODE
|
|
"GetDiskFreeSpaceExW"
|
|
#else
|
|
"GetDiskFreeSpaceExA"
|
|
#endif
|
|
);
|
|
|
|
if ( pGetDiskFreeSpaceEx )
|
|
{
|
|
ULARGE_INTEGER bytesFree, bytesTotal;
|
|
|
|
// may pass the path as is, GetDiskFreeSpaceEx() is smart enough
|
|
if ( !pGetDiskFreeSpaceEx(path,
|
|
&bytesFree,
|
|
&bytesTotal,
|
|
NULL) )
|
|
{
|
|
wxLogLastError(_T("GetDiskFreeSpaceEx"));
|
|
|
|
return false;
|
|
}
|
|
|
|
// 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);
|
|
}
|
|
|
|
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"));
|
|
|
|
return false;
|
|
}
|
|
|
|
wxLongLong lBytesPerCluster = lSectorsPerCluster;
|
|
lBytesPerCluster *= lBytesPerSector;
|
|
|
|
if ( pTotal )
|
|
{
|
|
*pTotal = lBytesPerCluster;
|
|
*pTotal *= lTotalNumberOfClusters;
|
|
}
|
|
|
|
if ( pFree )
|
|
{
|
|
*pFree = lBytesPerCluster;
|
|
*pFree *= lNumberOfFreeClusters;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
#endif
|
|
// __WXWINCE__
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// env vars
|
|
// ----------------------------------------------------------------------------
|
|
|
|
bool wxGetEnv(const wxString& var, wxString *value)
|
|
{
|
|
#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;
|
|
}
|
|
|
|
if ( value )
|
|
{
|
|
(void)::GetEnvironmentVariable(var, wxStringBuffer(*value, dwRet),
|
|
dwRet);
|
|
}
|
|
|
|
return true;
|
|
#endif // WinCE/32
|
|
}
|
|
|
|
bool wxSetEnv(const wxString& var, const wxChar *value)
|
|
{
|
|
// 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;
|
|
}
|
|
|
|
return true;
|
|
#else // no way to set env vars
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// process management
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// structure used to pass parameters from wxKill() to wxEnumFindByPidProc()
|
|
struct wxFindByPidParams
|
|
{
|
|
wxFindByPidParams() { hwnd = 0; pid = 0; }
|
|
|
|
// the HWND used to return the result
|
|
HWND hwnd;
|
|
|
|
// the PID we're looking from
|
|
DWORD pid;
|
|
|
|
DECLARE_NO_COPY_CLASS(wxFindByPidParams)
|
|
};
|
|
|
|
// 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)
|
|
{
|
|
DWORD pid;
|
|
(void)::GetWindowThreadProcessId(hwnd, &pid);
|
|
|
|
wxFindByPidParams *params = (wxFindByPidParams *)lParam;
|
|
if ( pid == params->pid )
|
|
{
|
|
// remember the window we found
|
|
params->hwnd = hwnd;
|
|
|
|
// return FALSE to stop the enumeration
|
|
return FALSE;
|
|
}
|
|
|
|
// continue enumeration
|
|
return TRUE;
|
|
}
|
|
|
|
int wxKill(long pid, wxSignal sig, wxKillError *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;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
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;
|
|
|
|
case wxSIGNONE:
|
|
// do nothing, we just want to test for process existence
|
|
break;
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
// the return code
|
|
DWORD rc;
|
|
|
|
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;
|
|
}
|
|
}
|
|
else // !ok
|
|
{
|
|
// just to suppress the warnings about uninitialized variable
|
|
rc = 0;
|
|
}
|
|
|
|
::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;
|
|
}
|
|
|
|
// error
|
|
return -1;
|
|
}
|
|
|
|
// Execute a program in an Interactive Shell
|
|
bool wxShell(const wxString& command)
|
|
{
|
|
wxString cmd;
|
|
|
|
#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;
|
|
}
|
|
|
|
// Shutdown or reboot the PC
|
|
bool wxShutdown(wxShutdownFlags wFlags)
|
|
{
|
|
#ifdef __WXWINCE__
|
|
return false;
|
|
#elif defined(__WIN32__)
|
|
bool bOK = true;
|
|
|
|
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;
|
|
|
|
// 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 (long)GetFreeSpace(0);
|
|
#endif
|
|
}
|
|
|
|
unsigned long wxGetProcessId()
|
|
{
|
|
return ::GetCurrentProcessId();
|
|
}
|
|
|
|
// Emit a beeeeeep
|
|
void wxBell()
|
|
{
|
|
::MessageBeep((UINT)-1); // default sound
|
|
}
|
|
|
|
wxString wxGetOsDescription()
|
|
{
|
|
wxString str;
|
|
|
|
OSVERSIONINFO info;
|
|
wxZeroMemory(info);
|
|
|
|
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
|
|
if ( ::GetVersionEx(&info) )
|
|
{
|
|
switch ( info.dwPlatformId )
|
|
{
|
|
case VER_PLATFORM_WIN32s:
|
|
str = _("Win32s on Windows 3.1");
|
|
break;
|
|
|
|
case VER_PLATFORM_WIN32_WINDOWS:
|
|
str.Printf(_("Windows 9%c"),
|
|
info.dwMinorVersion == 0 ? _T('5') : _T('8'));
|
|
if ( !wxIsEmpty(info.szCSDVersion) )
|
|
{
|
|
str << _T(" (") << info.szCSDVersion << _T(')');
|
|
}
|
|
break;
|
|
|
|
case VER_PLATFORM_WIN32_NT:
|
|
str.Printf(_T("Windows NT %lu.%lu (build %lu"),
|
|
info.dwMajorVersion,
|
|
info.dwMinorVersion,
|
|
info.dwBuildNumber);
|
|
if ( !wxIsEmpty(info.szCSDVersion) )
|
|
{
|
|
str << _T(", ") << info.szCSDVersion;
|
|
}
|
|
str << _T(')');
|
|
break;
|
|
}
|
|
}
|
|
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) )
|
|
{
|
|
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
|
|
}
|
|
}
|
|
}
|
|
|
|
static wxToolkitInfo info;
|
|
info.versionMajor = s_major;
|
|
info.versionMinor = s_minor;
|
|
info.os = s_ver;
|
|
info.name = _T("wxBase");
|
|
return info;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// sleep functions
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void wxMilliSleep(unsigned long milliseconds)
|
|
{
|
|
::Sleep(milliseconds);
|
|
}
|
|
|
|
void wxMicroSleep(unsigned long microseconds)
|
|
{
|
|
wxMilliSleep(microseconds/1000);
|
|
}
|
|
|
|
void wxSleep(int nSecs)
|
|
{
|
|
wxMilliSleep(1000*nSecs);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// font encoding <-> Win32 codepage conversion functions
|
|
// ----------------------------------------------------------------------------
|
|
|
|
extern WXDLLIMPEXP_BASE long wxEncodingToCharset(wxFontEncoding encoding)
|
|
{
|
|
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;
|
|
|
|
case wxFONTENCODING_ISO8859_1:
|
|
case wxFONTENCODING_ISO8859_15:
|
|
case wxFONTENCODING_CP1252:
|
|
return ANSI_CHARSET;
|
|
|
|
#if !defined(__WXMICROWIN__)
|
|
// The following four fonts are multi-byte charsets
|
|
case wxFONTENCODING_CP932:
|
|
return SHIFTJIS_CHARSET;
|
|
|
|
case wxFONTENCODING_CP936:
|
|
return GB2312_CHARSET;
|
|
|
|
case wxFONTENCODING_CP949:
|
|
return HANGUL_CHARSET;
|
|
|
|
case wxFONTENCODING_CP950:
|
|
return CHINESEBIG5_CHARSET;
|
|
|
|
// The rest are single byte encodings
|
|
case wxFONTENCODING_CP1250:
|
|
return EASTEUROPE_CHARSET;
|
|
|
|
case wxFONTENCODING_CP1251:
|
|
return RUSSIAN_CHARSET;
|
|
|
|
case wxFONTENCODING_CP1253:
|
|
return GREEK_CHARSET;
|
|
|
|
case wxFONTENCODING_CP1254:
|
|
return TURKISH_CHARSET;
|
|
|
|
case wxFONTENCODING_CP1255:
|
|
return HEBREW_CHARSET;
|
|
|
|
case wxFONTENCODING_CP1256:
|
|
return ARABIC_CHARSET;
|
|
|
|
case wxFONTENCODING_CP1257:
|
|
return BALTIC_CHARSET;
|
|
|
|
case wxFONTENCODING_CP874:
|
|
return THAI_CHARSET;
|
|
#endif // !__WXMICROWIN__
|
|
|
|
case wxFONTENCODING_CP437:
|
|
return OEM_CHARSET;
|
|
|
|
default:
|
|
// no way to translate this encoding into a Windows charset
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
// 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) )
|
|
{
|
|
wxLogLastError(_T("TranslateCharsetInfo(TCI_SRCCHARSET)"));
|
|
|
|
return -1;
|
|
}
|
|
|
|
return csetInfo.ciACP;
|
|
}
|
|
|
|
extern long wxCharsetToCodepage(const wxChar *name)
|
|
{
|
|
// first get the font encoding for this charset
|
|
if ( !name )
|
|
return -1;
|
|
|
|
wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(name, false);
|
|
if ( enc == wxFONTENCODING_SYSTEM )
|
|
return -1;
|
|
|
|
// the use the helper function
|
|
return wxEncodingToCodepage(enc);
|
|
}
|
|
|
|
#else // !wxUSE_FONTMAP
|
|
|
|
#include "wx/msw/registry.h"
|
|
|
|
// this should work if Internet Exploiter is installed
|
|
extern long wxCharsetToCodepage(const wxChar *name)
|
|
{
|
|
if (!name)
|
|
return GetACP();
|
|
|
|
long CP = -1;
|
|
|
|
wxString path(wxT("MIME\\Database\\Charset\\"));
|
|
wxString cn(name);
|
|
|
|
// follow the alias loop
|
|
for ( ;; )
|
|
{
|
|
wxRegKey key(wxRegKey::HKCR, path + cn);
|
|
|
|
if (!key.Exists())
|
|
break;
|
|
|
|
// 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;
|
|
|
|
// no encoding, see if it's an alias
|
|
if (!key.HasValue(wxT("AliasForCharset")) ||
|
|
!key.QueryValue(wxT("AliasForCharset"), cn))
|
|
break;
|
|
}
|
|
|
|
return CP;
|
|
}
|
|
|
|
#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)
|
|
{
|
|
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;
|
|
}
|
|
|