Don't crash when laying out wxGridBagSizer with only hidden elements.

[wxWidgets.git] / src / os2 / utils.cpp

diff --git a/src/os2/utils.cpp b/src/os2/utils.cpp
index b963638d6d06de8e4a348da652576fef77c01e60..50a68b9b49270726996d870e920aa364bf1d0488 100644 (file)
--- a/src/os2/utils.cpp
+++ b/src/os2/utils.cpp
@@ -4,7 +4,6 @@
 // Author:      David Webster
 // Modified by:
 // Created:     09/17/99
 // Author:      David Webster
 // Modified by:
 // Created:     09/17/99

-// RCS-ID:      $Id$

 // Copyright:   (c) David Webster
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 // Copyright:   (c) David Webster
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////


@@ -15,13 +14,13 @@
 #include "wx/utils.h"
 
 #ifndef WX_PRECOMP
 #include "wx/utils.h"
 
 #ifndef WX_PRECOMP

-    #include "wx/app.h"

     #include "wx/intl.h"
     #include "wx/log.h"
 #endif  //WX_PRECOMP
 
 #include "wx/os2/private.h"
 #include "wx/apptrait.h"
     #include "wx/intl.h"
     #include "wx/log.h"
 #endif  //WX_PRECOMP
 
 #include "wx/os2/private.h"
 #include "wx/apptrait.h"

+#include "wx/filename.h"

 
 #include <ctype.h>
 #ifdef __EMX__
 
 #include <ctype.h>
 #ifdef __EMX__


@@ -50,8 +49,8 @@ extern "C"
     #include <netbios.h>
 #endif
 
     #include <netbios.h>
 #endif
 

-static const wxChar WX_SECTION[] = _T("wxWidgets");
-static const wxChar eHOSTNAME[]  = _T("HostName");
+static const wxChar WX_SECTION[] = wxT("wxWidgets");
+static const wxChar eHOSTNAME[]  = wxT("HostName");

 
 // For the following functions we SHOULD fill in support
 // for Windows-NT (which I don't know) as I assume it begin
 
 // For the following functions we SHOULD fill in support
 // for Windows-NT (which I don't know) as I assume it begin


@@ -81,9 +80,10 @@ bool wxGetHostName( wxChar* zBuf, int nMaxSize )
     strcpy(zBuf, zServer);
 #else
     wxChar*        zSysname;
     strcpy(zBuf, zServer);
 #else
     wxChar*        zSysname;

-    const wxChar*  zDefaultHost = _T("noname");
+    const wxChar*  zDefaultHost = wxT("noname");

 
 

-    if ((zSysname = wxGetenv(_T("SYSTEM_NAME"))) == NULL)
+    if ((zSysname = wxGetenv(wxT("SYSTEM_NAME"))) == NULL &&
+            (zSysname = wxGetenv(wxT("HOSTNAME"))) == NULL)

     {
         ::PrfQueryProfileString( HINI_PROFILE
                                 ,(PSZ)WX_SECTION
     {
         ::PrfQueryProfileString( HINI_PROFILE
                                 ,(PSZ)WX_SECTION


@@ -92,13 +92,12 @@ bool wxGetHostName( wxChar* zBuf, int nMaxSize )
                                 ,(void*)zBuf
                                 ,(ULONG)nMaxSize - 1
                                );
                                 ,(void*)zBuf
                                 ,(ULONG)nMaxSize - 1
                                );

+        zBuf[nMaxSize] = wxT('\0');

     }
     else
     {
     }
     else
     {

-        wxStrncpy(zBuf, zSysname, nMaxSize - 1);
+        wxStrlcpy(zBuf, zSysname, nMaxSize);

     }
     }

-
-    zBuf[nMaxSize] = _T('\0');

 #endif
 
     return *zBuf ? true : false;
 #endif
 
     return *zBuf ? true : false;


@@ -120,7 +119,7 @@ bool wxGetUserName( wxChar* zBuf, int nMaxSize )
 #ifdef USE_NET_API
     wxGetUserId( zBuf, nMaxSize );
 #else
 #ifdef USE_NET_API
     wxGetUserId( zBuf, nMaxSize );
 #else

-    wxStrncpy(zBuf, _T("Unknown User"), nMaxSize);
+    wxStrlcpy(zBuf, wxT("Unknown User"), nMaxSize);

 #endif
     return true;
 }
 #endif
     return true;
 }


@@ -138,7 +137,7 @@ int wxKill(long         lPid,
 //
 bool wxShell( const wxString& rCommand )
 {
 //
 bool wxShell( const wxString& rCommand )
 {

-    wxChar*     zShell = _T("CMD.EXE");
+    wxChar*     zShell = wxT("CMD.EXE");

     wxString    sInputs;
     STARTDATA   SData = {0};
     PSZ         PgmTitle = "Command Shell";
     wxString    sInputs;
     STARTDATA   SData = {0};
     PSZ         PgmTitle = "Command Shell";


@@ -155,8 +154,8 @@ bool wxShell( const wxString& rCommand )
     SData.PgmTitle = PgmTitle;
     SData.PgmName  = (char*)zShell;
 
     SData.PgmTitle = PgmTitle;
     SData.PgmName  = (char*)zShell;
 

-    sInputs = _T("/C ") + rCommand;
-    SData.PgmInputs     = (BYTE*)sInputs.c_str();
+    sInputs = wxT("/C ") + rCommand;
+    SData.PgmInputs     = (BYTE*)sInputs.wx_str();

     SData.TermQ         = 0;
     SData.Environment   = 0;
     SData.InheritOpt    = SSF_INHERTOPT_SHELL;
     SData.TermQ         = 0;
     SData.Environment   = 0;
     SData.InheritOpt    = SSF_INHERTOPT_SHELL;


@@ -225,7 +224,7 @@ unsigned long wxGetProcessId()
 bool wxGetEnv(const wxString& var, wxString *value)
 {
     // wxGetenv is defined as getenv()
 bool wxGetEnv(const wxString& var, wxString *value)
 {
     // wxGetenv is defined as getenv()

-    wxChar *p = wxGetenv(var);
+    wxChar *p = wxGetenv((const wxChar *)var);

     if ( !p )
         return false;
 
     if ( !p )
         return false;
 


@@ -237,15 +236,22 @@ bool wxGetEnv(const wxString& var, wxString *value)
     return true;
 }
 
     return true;
 }
 

-bool wxSetEnv(const wxString& variable, const wxChar *value)
+static bool wxDoSetEnv(const wxString& variable, const char *value)

 {
 #if defined(HAVE_SETENV)
 {
 #if defined(HAVE_SETENV)

-    return setenv(variable.mb_str(), value ? wxString(value).mb_str().data()
-                                           : NULL, 1 /* overwrite */) == 0;
+    if ( !value )
+    {
+#ifdef HAVE_UNSETENV
+        return unsetenv(variable.mb_str()) == 0;
+#else
+        value = wxT(""); // mustn't pass NULL to setenv()
+#endif
+    }
+    return setenv(variable.mb_str(), value, 1 /* overwrite */) == 0;

 #elif defined(HAVE_PUTENV)
     wxString s = variable;
     if ( value )
 #elif defined(HAVE_PUTENV)
     wxString s = variable;
     if ( value )

-        s << _T('=') << value;
+        s << wxT('=') << value;

 
     // transform to ANSI
     const char *p = s.mb_str();
 
     // transform to ANSI
     const char *p = s.mb_str();


@@ -262,6 +268,16 @@ bool wxSetEnv(const wxString& variable, const wxChar *value)
 #endif
 }
 
 #endif
 }
 

+bool wxSetEnv(const wxString& variable, const wxString& value)
+{
+    return wxDoSetEnv(variable, value.mb_str());
+}
+
+bool wxUnsetEnv(const wxString& variable)
+{
+    return wxDoSetEnv(variable, NULL);
+}
+

 void wxMilliSleep(
   unsigned long                     ulMilliseconds
 )
 void wxMilliSleep(
   unsigned long                     ulMilliseconds
 )


@@ -289,28 +305,21 @@ void wxFlushEvents()
 //  wxYield();
 }
 
 //  wxYield();
 }
 

-// Emit a beeeeeep
-void wxBell()
-{
-    DosBeep(1000,1000); // 1kHz during 1 sec.
-}
-

 wxString wxGetOsDescription()
 {
 wxString wxGetOsDescription()
 {

-    wxString strVer(_T("OS/2"));
-    ULONG ulSysInfo[QSV_MAX] = {0};
+    wxString strVer(wxT("OS/2"));
+    ULONG ulSysInfo = 0;

 
 

-    if (::DosQuerySysInfo( 1L,
-                           QSV_MAX,
-                           (PVOID)ulSysInfo,
-                           sizeof(ULONG) * QSV_MAX
+    if (::DosQuerySysInfo( QSV_VERSION_MINOR,
+                           QSV_VERSION_MINOR,
+                           (PVOID)&ulSysInfo,
+                           sizeof(ULONG)

                          ) == 0L )
     {
         wxString ver;
                          ) == 0L )
     {
         wxString ver;

-        ver.Printf( _T(" ver. %d.%d rev. %c"),
-                    int(ulSysInfo[QSV_VERSION_MAJOR] / 10),
-                    int(ulSysInfo[QSV_VERSION_MINOR]),
-                    char(ulSysInfo[QSV_VERSION_REVISION])
+        ver.Printf( wxT(" ver. %d.%d"),
+                    int(ulSysInfo / 10),
+                    int(ulSysInfo % 10)

                   );
         strVer += ver;
     }
                   );
         strVer += ver;
     }


@@ -318,6 +327,13 @@ wxString wxGetOsDescription()
     return strVer;
 }
 
     return strVer;
 }
 

+bool wxIsPlatform64Bit()
+{
+    // FIXME: No idea how to test for 64 bit processor
+    //        (Probably irrelevant anyhow, though).
+    return false;
+}
+

 void wxAppTraits::InitializeGui(unsigned long &WXUNUSED(ulHab))
 {
 }
 void wxAppTraits::InitializeGui(unsigned long &WXUNUSED(ulHab))
 {
 }


@@ -328,22 +344,21 @@ void wxAppTraits::TerminateGui(unsigned long WXUNUSED(ulHab))
 
 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 {
 
 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 {

-    static wxToolkitInfo  vInfo;
-    ULONG                 ulSysInfo[QSV_MAX] = {0};
+    ULONG                 ulSysInfo = 0;

     APIRET                ulrc;
 
     APIRET                ulrc;
 

-    ulrc = ::DosQuerySysInfo( 1L
-                             ,QSV_MAX
-                             ,(PVOID)ulSysInfo
-                             ,sizeof(ULONG) * QSV_MAX
+    ulrc = ::DosQuerySysInfo( QSV_VERSION_MINOR,
+                              QSV_VERSION_MINOR,
+                              (PVOID)&ulSysInfo,
+                              sizeof(ULONG)

                             );
 
     if (ulrc == 0L)
     {
         if ( verMaj )
                             );
 
     if (ulrc == 0L)
     {
         if ( verMaj )

-            *verMaj = ulSysInfo[QSV_VERSION_MAJOR] / 10;
+            *verMaj = ulSysInfo / 10;

         if ( verMin )
         if ( verMin )

-            *verMin = ulSysInfo[QSV_VERSION_MINOR];
+            *verMin = ulSysInfo % 10;

     }
 
     return wxOS_OS2;
     }
 
     return wxOS_OS2;


@@ -379,59 +394,90 @@ const wxChar* wxGetHomeDir(
     return rStrDir.c_str();
 }
 
     return rStrDir.c_str();
 }
 

-// Hack for OS/2
-#if wxUSE_UNICODE
-const wxMB2WXbuf wxGetUserHome( const wxString &rUser )
-#else // just for binary compatibility -- there is no 'const' here
-wxChar* wxGetUserHome ( const wxString &rUser )
-#endif
+wxString wxGetUserHome ( const wxString &rUser )

 {
     wxChar*    zHome;
 {
     wxChar*    zHome;

-    wxString   sUser1(rUser);
+    wxString   sUser(rUser);
+
+    wxString home;

 
 

-    wxChar *wxBuffer = new wxChar[256];

 #ifndef __EMX__
 #ifndef __EMX__

-    if (!sUser1.empty())
+    if (!sUser.empty())

     {
     {

-        wxChar                      zTmp[64];
+        const wxString currentUser = wxGetUserId();

 
 

-        if (wxGetUserId( zTmp
-                        ,sizeof(zTmp)/sizeof(char)
-                       ))
+        // Guests belong in the temp dir
+        if ( currentUser == "annonymous" )

         {
         {

-            // Guests belong in the temp dir
-            if (wxStricmp(zTmp, _T("annonymous")) == 0)
-            {
-                if ((zHome = wxGetenv(_T("TMP"))) != NULL    ||
-                    (zHome = wxGetenv(_T("TMPDIR"))) != NULL ||
-                    (zHome = wxGetenv(_T("TEMP"))) != NULL)
-                    delete[] wxBuffer;
-                    return *zHome ? zHome : (wxChar*)_T("\\");
-            }
-            if (wxStricmp(zTmp, WXSTRINGCAST sUser1) == 0)
-                sUser1 = wxEmptyString;
+            zHome = wxGetenv(wxT("TMP"));
+            if ( !zHome )
+                zHome = wxGetenv(wxT("TMPDIR"));
+            if ( !zHome )
+                zHome = wxGetenv(wxT("TEMP"));
+
+            if ( zHome && *zHome )
+                return zHome;

         }
         }

+
+        if ( sUser == currentUser )
+            sUser.clear();

     }
 #endif
     }
 #endif

-    if (sUser1.empty())
+    if (sUser.empty())

     {
     {

-        if ((zHome = wxGetenv(_T("HOME"))) != NULL)
+        if ((zHome = wxGetenv(wxT("HOME"))) != NULL)

         {
         {

-            wxStrcpy(wxBuffer, zHome);
-            wxUnix2DosFilename(wxBuffer);
-#if wxUSE_UNICODE
-            wxWCharBuffer retBuffer (wxBuffer);
-            delete[] wxBuffer;
-            return retBuffer;
-#else
-            wxStrcpy(zHome, wxBuffer);
-            delete[] wxBuffer;
-            return zHome;
-#endif
+            home = zHome;
+            home.Replace("/", "\\");

         }
     }
         }
     }

-    delete[] wxBuffer;
-    return (wxChar*)wxEmptyString; // No home known!
+
+    return home;
+}
+
+bool wxGetDiskSpace(const wxString& path,
+                    wxDiskspaceSize_t *pTotal,
+                    wxDiskspaceSize_t *pFree)
+{
+    if (path.empty())
+        return false;
+
+    wxFileName fn(path);
+    FSALLOCATE fsaBuf = {0};
+    APIRET rc = NO_ERROR;
+    ULONG disknum = 0;
+
+    fn.MakeAbsolute();
+
+    if (wxDirExists(fn.GetFullPath()) == false)
+        return false;
+
+    disknum = wxToupper(fn.GetVolume().GetChar(0)) - wxT('A') + 1;
+
+    rc = ::DosQueryFSInfo(disknum,             // 1 = A, 2 = B, 3 = C, ...
+                          FSIL_ALLOC,          // allocation info
+                          (PVOID)&fsaBuf,
+                          sizeof(FSALLOCATE));
+
+    if (rc != NO_ERROR)
+        return false;
+    else
+    {
+        if(pTotal)
+        {
+           // to try to avoid 32-bit overflow, let's not multiply right away
+            // (num of alloc units)
+            *pTotal = fsaBuf.cUnit;
+            // * (num of sectors per alloc unit) * (num of bytes per sector)
+            (*pTotal) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;
+        }
+        if(pFree)
+        {
+            *pFree = fsaBuf.cUnitAvail;
+            (*pFree) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;
+        }
+        return true;
+    }

 }
 
 wxString wxPMErrorToStr(ERRORID vError)
 }
 
 wxString wxPMErrorToStr(ERRORID vError)


@@ -589,12 +635,3 @@ wxString wxPMErrorToStr(ERRORID vError)
     }
     return sError;
 } // end of wxPMErrorToStr
     }
     return sError;
 } // end of wxPMErrorToStr

-
-// replacement for implementation in unix/utilsunx.cpp,
-// to be used by all X11 based ports.
-struct wxEndProcessData;
-
-void wxHandleProcessTermination(wxEndProcessData *WXUNUSED(proc_data))
-{
-    // For now, just do nothing. To be filled in as needed.
-}