]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/utils.cpp
preparation for allowing to use wxTimer in wxBase (heavily modified patch 1113088):
[wxWidgets.git] / src / msw / utils.cpp
index 6bf3dfd69b6b55ab28cdeffb14bc825512f52139..c236c47c4e6e4909da60fc150f58d8e42ceb9185 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        msw/utils.cpp
+// Name:        src/msw/utils.cpp
 // Purpose:     Various utilities
 // Author:      Julian Smart
 // Modified by:
     #include "wx/log.h"
 #endif  //WX_PRECOMP
 
+#include "wx/msw/registry.h"
 #include "wx/apptrait.h"
 #include "wx/dynlib.h"
 #include "wx/dynload.h"
+#include "wx/scopeguard.h"
 
 #include "wx/confbase.h"        // for wxExpandEnvVars()
 
 #include "wx/msw/private.h"     // includes <windows.h>
-#include "wx/msw/missing.h"     // CHARSET_HANGUL
+#include "wx/msw/missing.h"     // for CHARSET_HANGUL
 
 #if defined(__CYGWIN__)
     //CYGWIN gives annoying warning about runtime stuff if we don't do this
@@ -53,8 +55,6 @@
     #include <winsock.h>
 #endif
 
-#include "wx/timer.h"
-
 #if !defined(__GNUWIN32__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
     #include <direct.h>
 
 // ----------------------------------------------------------------------------
 
 // In the WIN.INI file
+#if (!defined(USE_NET_API) && !defined(__WXWINCE__)) || defined(__WXMICROWIN__)
 static const wxChar WX_SECTION[] = wxT("wxWindows");
+#endif
+
+#if (!defined(USE_NET_API) && !defined(__WXWINCE__))
 static const wxChar eUSERNAME[]  = wxT("UserName");
+#endif
 
 // ============================================================================
 // implementation
@@ -121,12 +126,11 @@ static const wxChar eUSERNAME[]  = wxT("UserName");
 // ----------------------------------------------------------------------------
 
 // Get hostname only (without domain name)
-bool wxGetHostName(wxChar *buf, int maxSize)
+bool wxGetHostName(wxChar *WXUNUSED_IN_WINCE(buf),
+                   int WXUNUSED_IN_WINCE(maxSize))
 {
 #if defined(__WXWINCE__)
     // TODO-CE
-    wxUnusedVar(buf);
-    wxUnusedVar(maxSize);
     return false;
 #elif defined(__WIN32__) && !defined(__WXMICROWIN__)
     DWORD nSize = maxSize;
@@ -236,12 +240,11 @@ bool wxGetFullHostName(wxChar *buf, int maxSize)
 }
 
 // Get user ID e.g. jacs
-bool wxGetUserId(wxChar *buf, int maxSize)
+bool wxGetUserId(wxChar *WXUNUSED_IN_WINCE(buf),
+                 int WXUNUSED_IN_WINCE(maxSize))
 {
 #if defined(__WXWINCE__)
     // TODO-CE
-    wxUnusedVar(buf);
-    wxUnusedVar(maxSize);
     return false;
 #elif defined(__WIN32__) && !defined(__WXMICROWIN__)
     DWORD nSize = maxSize;
@@ -263,8 +266,8 @@ bool wxGetUserId(wxChar *buf, int maxSize)
 
     // 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 )
+    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);
@@ -281,11 +284,19 @@ bool wxGetUserId(wxChar *buf, int maxSize)
 // Get user name e.g. Julian Smart
 bool wxGetUserName(wxChar *buf, int maxSize)
 {
+    wxCHECK_MSG( buf && ( maxSize > 0 ), false,
+                    _T("empty buffer in wxGetUserName") );
 #if defined(__WXWINCE__)
-    // TODO-CE
-    wxUnusedVar(buf);
-    wxUnusedVar(maxSize);
-    return false;
+    wxLogNull noLog;
+    wxRegKey key(wxRegKey::HKCU, wxT("ControlPanel\\Owner"));
+    if(!key.Open(wxRegKey::Read))
+        return false;
+    wxString name;
+    if(!key.QueryValue(wxT("Owner"),name))
+        return false;
+    wxStrncpy(buf, name.c_str(), maxSize-1);
+    buf[maxSize-1] = _T('\0');
+    return true;
 #elif defined(USE_NET_API)
     CHAR szUserName[256];
     if ( !wxGetUserId(szUserName, WXSIZEOF(szUserName)) )
@@ -375,7 +386,7 @@ const wxChar* wxGetHomeDir(wxString *pstr)
     wxString& strDir = *pstr;
 
     // first branch is for Cygwin
-#if defined(__UNIX__)
+#if defined(__UNIX__) && !defined(__WINE__)
     const wxChar *szHome = wxGetenv("HOME");
     if ( szHome == NULL ) {
       // we're homeless...
@@ -466,13 +477,12 @@ wxChar *wxGetUserHome(const wxString& WXUNUSED(user))
     return (wxChar *)wxGetHomeDir(&s_home);
 }
 
-bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
+bool wxGetDiskSpace(const wxString& WXUNUSED_IN_WINCE(path),
+                    wxDiskspaceSize_t *WXUNUSED_IN_WINCE(pTotal),
+                    wxDiskspaceSize_t *WXUNUSED_IN_WINCE(pFree))
 {
 #ifdef __WXWINCE__
     // TODO-CE
-    wxUnusedVar(path);
-    wxUnusedVar(pTotal);
-    wxUnusedVar(pFree);
     return false;
 #else
     if ( path.empty() )
@@ -524,12 +534,20 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 #endif
         if ( pTotal )
         {
-            *pTotal = wxLongLong(UL(bytesTotal).HighPart, UL(bytesTotal).LowPart);
+#if wxUSE_LONGLONG
+            *pTotal = wxDiskspaceSize_t(UL(bytesTotal).HighPart, UL(bytesTotal).LowPart);
+#else
+            *pTotal = wxDiskspaceSize_t(UL(bytesTotal).LowPart);
+#endif
         }
 
         if ( pFree )
         {
+#if wxUSE_LONGLONG
             *pFree = wxLongLong(UL(bytesFree).HighPart, UL(bytesFree).LowPart);
+#else
+            *pFree = wxDiskspaceSize_t(UL(bytesFree).LowPart);
+#endif
         }
     }
     else
@@ -557,7 +575,7 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
             return false;
         }
 
-        wxLongLong lBytesPerCluster = lSectorsPerCluster;
+        wxDiskspaceSize_t lBytesPerCluster = (wxDiskspaceSize_t) lSectorsPerCluster;
         lBytesPerCluster *= lBytesPerSector;
 
         if ( pTotal )
@@ -582,12 +600,11 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 // env vars
 // ----------------------------------------------------------------------------
 
-bool wxGetEnv(const wxString& var, wxString *value)
+bool wxGetEnv(const wxString& WXUNUSED_IN_WINCE(var),
+              wxString *WXUNUSED_IN_WINCE(value))
 {
 #ifdef __WXWINCE__
     // no environment variables under CE
-    wxUnusedVar(var);
-    wxUnusedVar(value);
     return false;
 #else // Win32
     // first get the size of the buffer
@@ -608,11 +625,15 @@ bool wxGetEnv(const wxString& var, wxString *value)
 #endif // WinCE/32
 }
 
-bool wxSetEnv(const wxString& var, const wxChar *value)
+bool wxSetEnv(const wxString& WXUNUSED_IN_WINCE(var),
+              const wxChar *WXUNUSED_IN_WINCE(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__)
+#ifdef __WXWINCE__
+    // no environment variables under CE
+    return false;
+#else
     if ( !::SetEnvironmentVariable(var, value) )
     {
         wxLogLastError(_T("SetEnvironmentVariable"));
@@ -621,11 +642,6 @@ bool wxSetEnv(const wxString& var, const wxChar *value)
     }
 
     return true;
-#else // no way to set env vars
-    // no environment variables under CE
-    wxUnusedVar(var);
-    wxUnusedVar(value);
-    return false;
 #endif
 }
 
@@ -685,19 +701,19 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc, int flags)
     {
         if ( krc )
         {
-            if ( ::GetLastError() == ERROR_ACCESS_DENIED )
-            {
-                *krc = wxKILL_ACCESS_DENIED;
-            }
-            else
-            {
-                *krc = wxKILL_NO_PROCESS;
-            }
+            // recognize wxKILL_ACCESS_DENIED as special because this doesn't
+            // mean that the process doesn't exist and this is important for
+            // wxProcess::Exists()
+            *krc = ::GetLastError() == ERROR_ACCESS_DENIED
+                        ? wxKILL_ACCESS_DENIED
+                        : wxKILL_NO_PROCESS;
         }
 
         return -1;
     }
 
+    wxON_BLOCK_EXIT1(::CloseHandle, hProcess);
+
     bool ok = true;
     switch ( sig )
     {
@@ -720,7 +736,9 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc, int flags)
 
         case wxSIGNONE:
             // do nothing, we just want to test for process existence
-            break;
+            if ( krc )
+                *krc = wxKILL_OK;
+            return 0;
 
         default:
             // any other signal means "terminate"
@@ -757,9 +775,7 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc, int flags)
                 else // no windows for this PID
                 {
                     if ( krc )
-                    {
                         *krc = wxKILL_ERROR;
-                    }
 
                     ok = false;
                 }
@@ -767,8 +783,7 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc, int flags)
     }
 
     // the return code
-    DWORD rc;
-
+    DWORD rc wxDUMMY_INITIALIZE(0);
     if ( ok )
     {
         // as we wait for a short time, we can use just WaitForSingleObject()
@@ -793,45 +808,30 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc, int flags)
 
             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;
-        }
+    if ( !ok || rc == STILL_ACTIVE )
+        return -1;
 
-        return 0;
-    }
+    if ( krc )
+        *krc = wxKILL_OK;
 
-    // error
-    return -1;
+    return 0;
 }
 
-HANDLE (WINAPI *lpfCreateToolhelp32Snapshot)(DWORD,DWORD) ;
-BOOL (WINAPI *lpfProcess32First)(HANDLE,LPPROCESSENTRY32) ;
-BOOL (WINAPI *lpfProcess32Next)(HANDLE,LPPROCESSENTRY32) ;
+typedef HANDLE (WINAPI *CreateToolhelp32Snapshot_t)(DWORD,DWORD);
+typedef BOOL (WINAPI *Process32_t)(HANDLE,LPPROCESSENTRY32);
+
+CreateToolhelp32Snapshot_t lpfCreateToolhelp32Snapshot;
+Process32_t lpfProcess32First, lpfProcess32Next;
 
 static void InitToolHelp32()
 {
@@ -846,9 +846,9 @@ static void InitToolHelp32()
     lpfProcess32First = NULL;
     lpfProcess32Next = NULL;
 
-    HINSTANCE hInstLib = LoadLibrary( wxT("Kernel32.DLL") ) ;
-    if( hInstLib == NULL )
-        return ;
+#if wxUSE_DYNLIB_CLASS
+
+    wxDynamicLibrary dllKernel(_T("kernel32.dll"), wxDL_VERBATIM);
 
     // Get procedure addresses.
     // We are linking to these functions of Kernel32
@@ -856,37 +856,16 @@ static void InitToolHelp32()
     // 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
-        "CreateToolhelp32Snapshot"
-#endif
-        ) ;
+    lpfCreateToolhelp32Snapshot =
+        (CreateToolhelp32Snapshot_t)dllKernel.RawGetSymbol(_T("CreateToolhelp32Snapshot"));
 
-    lpfProcess32First=
-        (BOOL(WINAPI *)(HANDLE,LPPROCESSENTRY32))
-        GetProcAddress( hInstLib,
-#ifdef __WXWINCE__
-        wxT("Process32First")
-#else
-        "Process32First"
-#endif
-        ) ;
+    lpfProcess32First =
+        (Process32_t)dllKernel.RawGetSymbol(_T("Process32First"));
 
-    lpfProcess32Next=
-        (BOOL(WINAPI *)(HANDLE,LPPROCESSENTRY32))
-        GetProcAddress( hInstLib,
-#ifdef __WXWINCE__
-        wxT("Process32Next")
-#else
-        "Process32Next"
-#endif
-        ) ;
+    lpfProcess32Next =
+        (Process32_t)dllKernel.RawGetSymbol(_T("Process32Next"));
 
-    FreeLibrary( hInstLib ) ;
+#endif // wxUSE_DYNLIB_CLASS
 }
 
 // By John Skiff
@@ -963,16 +942,15 @@ bool wxShell(const wxString& command)
 }
 
 // Shutdown or reboot the PC
-bool wxShutdown(wxShutdownFlags wFlags)
+bool wxShutdown(wxShutdownFlags WXUNUSED_IN_WINCE(wFlags))
 {
 #ifdef __WXWINCE__
     // TODO-CE
-    wxUnusedVar(wFlags);
     return false;
 #elif defined(__WIN32__)
     bool bOK = true;
 
-    if ( wxGetOsVersion(NULL, NULL) == wxWINDOWS_NT ) // if is NT or 2K
+    if ( wxGetOsVersion(NULL, NULL) == wxOS_WINDOWS_NT ) // if is NT or 2K
     {
         // Get a token for this process.
         HANDLE hToken;
@@ -1024,18 +1002,6 @@ bool wxShutdown(wxShutdownFlags wFlags)
 #endif // Win32/16
 }
 
-wxPowerType wxGetPowerType()
-{
-    // TODO
-    return wxPOWER_UNKNOWN;
-}
-
-wxBatteryState wxGetBatteryState()
-{
-    // TODO
-    return wxBATTERY_UNKNOWN_STATE;
-}
-
 // ----------------------------------------------------------------------------
 // misc
 // ----------------------------------------------------------------------------
@@ -1102,6 +1068,13 @@ wxString wxGetOsDescription()
     {
         switch ( info.dwPlatformId )
         {
+#ifdef VER_PLATFORM_WIN32_CE
+            case VER_PLATFORM_WIN32_CE:
+                str.Printf(_("Windows CE (%d.%d)"),
+                           info.dwMajorVersion,
+                           info.dwMinorVersion);
+                break;
+#endif
             case VER_PLATFORM_WIN32s:
                 str = _("Win32s on Windows 3.1");
                 break;
@@ -1165,7 +1138,7 @@ wxString wxGetOsDescription()
                             break;
                     }
                 }
-                if ( wxIsEmpty(str) )
+                if ( str.empty() )
                 {
                     str.Printf(_("Windows NT %lu.%lu (build %lu"),
                            info.dwMajorVersion,
@@ -1188,61 +1161,57 @@ wxString wxGetOsDescription()
     return str;
 }
 
-wxToolkitInfo& wxAppTraits::GetToolkitInfo()
+bool wxIsPlatform64Bit()
 {
-    // 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 )
+#if defined(_WIN64)
+    return true;  // 64-bit programs run only on Win64
+#else // Win32
+    // 32-bit programs run on both 32-bit and 64-bit Windows so check
+    typedef BOOL (WINAPI *IsWow64Process_t)(HANDLE, BOOL *);
+
+    wxDynamicLibrary dllKernel32(_T("kernel32.dll"));
+    IsWow64Process_t pfnIsWow64Process =
+        (IsWow64Process_t)dllKernel32.RawGetSymbol(_T("IsWow64Process"));
+
+    BOOL wow64 = FALSE;
+    if ( pfnIsWow64Process )
     {
-        OSVERSIONINFO info;
-        wxZeroMemory(info);
+        pfnIsWow64Process(::GetCurrentProcess(), &wow64);
+    }
+    //else: running under a system without Win64 support
 
-        s_ver = wxWINDOWS;
-        info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
-        if ( ::GetVersionEx(&info) )
-        {
-            s_major = info.dwMajorVersion;
-            s_minor = info.dwMinorVersion;
+    return wow64 != FALSE;
+#endif // Win64/Win32
+}
 
-#ifdef __SMARTPHONE__
-            s_ver = wxWINDOWS_SMARTPHONE;
-#elif defined(__POCKETPC__)
-            s_ver = wxWINDOWS_POCKETPC;
-#else
-            switch ( info.dwPlatformId )
-            {
-                case VER_PLATFORM_WIN32s:
-                    s_ver = wxWIN32S;
-                    break;
+wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
+{
+    OSVERSIONINFO info;
+    wxZeroMemory(info);
 
-                case VER_PLATFORM_WIN32_WINDOWS:
-                    s_ver = wxWIN95;
-                    break;
+    info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+    if ( ::GetVersionEx(&info) )
+    {
+        if (verMaj) *verMaj = info.dwMajorVersion;
+        if (verMin) *verMin = info.dwMinorVersion;
+    }
 
-                case VER_PLATFORM_WIN32_NT:
-                    s_ver = wxWINDOWS_NT;
-                    break;
-#ifdef __WXWINCE__
-                case VER_PLATFORM_WIN32_CE:
-                    s_ver = wxWINDOWS_CE;
-#endif
-            }
-#endif
-        }
+#if defined( __WXWINCE__ )
+    return wxOS_WINDOWS_CE;
+#elif defined( __WXMICROWIN__ )
+    return wxOS_WINDOWS_MICRO;
+#else
+    switch ( info.dwPlatformId )
+    {
+    case VER_PLATFORM_WIN32_NT:
+        return wxOS_WINDOWS_NT;
+
+    case VER_PLATFORM_WIN32_WINDOWS:
+        return wxOS_WINDOWS_9X;
     }
 
-    static wxToolkitInfo info;
-    info.versionMajor = s_major;
-    info.versionMinor = s_minor;
-    info.os = s_ver;
-    info.name = _T("wxBase");
-    return info;
+    return wxOS_UNKNOWN;
+#endif
 }
 
 wxWinVersion wxGetWinVersion()
@@ -1251,7 +1220,7 @@ wxWinVersion wxGetWinVersion()
         verMin;
     switch ( wxGetOsVersion(&verMaj, &verMin) )
     {
-        case wxWIN95:
+        case wxOS_WINDOWS_9X:
             if ( verMaj == 4 )
             {
                 switch ( verMin )
@@ -1268,7 +1237,7 @@ wxWinVersion wxGetWinVersion()
             }
             break;
 
-        case wxWINDOWS_NT:
+        case wxOS_WINDOWS_NT:
             switch ( verMaj )
             {
                 case 3:
@@ -1296,6 +1265,9 @@ wxWinVersion wxGetWinVersion()
             }
             break;
 
+        default:
+            // Do nothing just to silence GCC warning
+            break;
     }
 
     return wxWinVersion_Unknown;
@@ -1417,10 +1389,10 @@ extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding)
         case wxFONTENCODING_ISO8859_8:      ret = 28598; break;
         case wxFONTENCODING_ISO8859_9:      ret = 28599; break;
         case wxFONTENCODING_ISO8859_10:     ret = 28600; break;
-        case wxFONTENCODING_ISO8859_11:     ret = 28601; break;
+        case wxFONTENCODING_ISO8859_11:     ret = 874; break;
         // case wxFONTENCODING_ISO8859_12,      // doesn't exist currently, but put it
         case wxFONTENCODING_ISO8859_13:     ret = 28603; break;
-        case wxFONTENCODING_ISO8859_14:     ret = 28604; break;
+        // case wxFONTENCODING_ISO8859_14:     ret = 28604; break; // no correspondence on Windows
         case wxFONTENCODING_ISO8859_15:     ret = 28605; break;
         case wxFONTENCODING_KOI8:           ret = 20866; break;
         case wxFONTENCODING_KOI8_U:         ret = 21866; break;
@@ -1587,4 +1559,3 @@ wxCreateHiddenWindow(LPCTSTR *pclassname, LPCTSTR classname, WNDPROC wndproc)
 
     return hwnd;
 }
-