Fixed bug #1022383: 'several ComboBoxes appear selected'

[wxWidgets.git] / include / wx / filefn.h

diff --git a/include/wx/filefn.h b/include/wx/filefn.h
index ed7938097371fe16b4db4016841149c845c40003..1d0b0bac66b16d93980fe1b7fd0dc1c95eec69dc 100644 (file)
--- a/include/wx/filefn.h
+++ b/include/wx/filefn.h
@@ -107,7 +107,7 @@
     #endif
 #endif
 
     #endif
 #endif
 

-#if defined(__VISUALC__) || ( defined(__MWERKS__) && defined( __INTEL__) )
+#if (defined(__VISUALC__) && !defined(__WXWINCE__)) || ( defined(__MWERKS__) && defined( __INTEL__) )

     typedef _off_t off_t;
 #elif defined(__SYMANTEC__)
     typedef long off_t;
     typedef _off_t off_t;
 #elif defined(__SYMANTEC__)
     typedef long off_t;


@@ -115,16 +115,6 @@
     typedef long off_t;
 #endif
 
     typedef long off_t;
 #endif
 

-#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
-//
-// VisualAge C++ V4.0 cannot have any external linkage const decs
-// in headers included by more than one primary source
-//
-extern const off_t wxInvalidOffset;
-#else
-const off_t wxInvalidOffset = (off_t)-1;
-#endif
-

 enum wxSeekMode
 {
   wxFromStart,
 enum wxSeekMode
 {
   wxFromStart,


@@ -132,6 +122,14 @@ enum wxSeekMode
   wxFromEnd
 };
 
   wxFromEnd
 };
 

+enum wxFileKind
+{
+  wxFILE_KIND_UNKNOWN,
+  wxFILE_KIND_DISK,     // a file supporting seeking to arbitrary offsets
+  wxFILE_KIND_TERMINAL, // a tty
+  wxFILE_KIND_PIPE      // a pipe
+};
+

 // ----------------------------------------------------------------------------
 // declare our versions of low level file functions: some compilers prepend
 // underscores to the usual names, some also have Unicode versions of them
 // ----------------------------------------------------------------------------
 // declare our versions of low level file functions: some compilers prepend
 // underscores to the usual names, some also have Unicode versions of them


@@ -139,7 +137,7 @@ enum wxSeekMode
 
 // Wrappers around Win32 api functions like CreateFile, ReadFile and such
 // Implemented in filefnwce.cpp
 
 // Wrappers around Win32 api functions like CreateFile, ReadFile and such
 // Implemented in filefnwce.cpp

-#if defined( __WINCE__)
+#if defined( __WXWINCE__)

     typedef __int64 wxFileOffset;
     #define wxFileOffsetFmtSpec _("I64")
     int wxOpen(const wxChar *filename, int oflag, int WXUNUSED(pmode));
     typedef __int64 wxFileOffset;
     #define wxFileOffsetFmtSpec _("I64")
     int wxOpen(const wxChar *filename, int oflag, int WXUNUSED(pmode));


@@ -153,25 +151,10 @@ enum wxSeekMode
     #define wxLSeek wxSeek
     wxFileOffset wxTell(int fd);
 
     #define wxLSeek wxSeek
     wxFileOffset wxTell(int fd);
 

-    #if wxUSE_UNICODE
-        #if wxUSE_UNICODE_MSLU
-            #define   wxMkDir      wxMSLU__wmkdir
-            #define   wxRmDir      wxMSLU__wrmdir
-            #define   wxStat       wxMSLU__wstat
-        #else
-            #define   wxMkDir      _wmkdir
-            #define   wxRmDir      _wrmdir
-            #define   wxStat       _wstat
-        #endif
-    #else // !wxUSE_UNICODE
-        #define   wxMkDir      _mkdir
-        #ifdef __WATCOMC__
-            #define   wxRmDir      rmdir
-        #else
-            #define   wxRmDir      _rmdir
-        #endif
-        #define   wxStat       _stat
-    #endif
+    // always Unicode under WinCE
+    #define   wxMkDir      _wmkdir
+    #define   wxRmDir      _wrmdir
+    #define   wxStat       _wstat

     #define   wxStructStat struct _stat
 
 // Microsoft compiler loves underscores, feed them to it
     #define   wxStructStat struct _stat
 
 // Microsoft compiler loves underscores, feed them to it


@@ -181,15 +164,23 @@ enum wxSeekMode
     || ( defined(__DMC__) && defined(__WXMSW__) ) \
     || ( defined(__WATCOMC__) && defined(__WXMSW__) )
 
     || ( defined(__DMC__) && defined(__WXMSW__) ) \
     || ( defined(__WATCOMC__) && defined(__WXMSW__) )
 

-    // Not all of the Win32 compilers do have huge file support, for example
-    // the Digitalmars compiler does not have huge file size support
+    // detect compilers which have support for huge files (currently only
+    // Digital Mars doesn't)
+    #ifndef __WXPALMOS__

     #include "wx/msw/private.h"
     #include "wx/msw/private.h"

+    #endif

 
 

-    #undef __HUGEFILES_SUPPORTED
-    #if _INTEGRAL_MAX_BITS >= 64 && !defined(__DMC__)
-        #define __HUGEFILES_SUPPORTED 1
+    #undef wxHAS_HUGE_FILES
+    #if defined(__MINGW32__)
+        #define wxHAS_HUGE_FILES 1
+    #elif defined(__MWERKS__)
+        #define wxHAS_HUGE_FILES 0
+    #elif defined(__DMC__)
+        #define wxHAS_HUGE_FILES 0
+    #elif ((_INTEGRAL_MAX_BITS >= 64) || defined(_LARGE_FILES))
+        #define wxHAS_HUGE_FILES 1

     #else
     #else

-        #define __HUGEFILES_SUPPORTED 0
+        #define wxHAS_HUGE_FILES 0

     #endif
 
     // functions
     #endif
 
     // functions


@@ -197,26 +188,27 @@ enum wxSeekMode
         #define   _tell        tell
     #endif
 
         #define   _tell        tell
     #endif
 

-    #if __HUGEFILES_SUPPORTED
+    #if wxHAS_HUGE_FILES

         typedef wxLongLong_t wxFileOffset;
         #define wxFileOffsetFmtSpec wxLongLongFmtSpec
     #else
         typedef off_t wxFileOffset;
         typedef wxLongLong_t wxFileOffset;
         #define wxFileOffsetFmtSpec wxLongLongFmtSpec
     #else
         typedef off_t wxFileOffset;

-        #define wxFileOffsetFmtSpec _("")

     #endif
 
     #define   wxClose      _close
 
     #if defined(__MWERKS__)
         #if __MSL__ >= 0x6000
     #endif
 
     #define   wxClose      _close
 
     #if defined(__MWERKS__)
         #if __MSL__ >= 0x6000

-            #define wxRead        _read(fd, (void *)buf, nCount)
-            #define wxWrite        _write(fd, (void *)buf, nCount)
+            #define wxRead(fd, buf, nCount)  _read(fd, (void *)buf, nCount)
+            #define wxWrite(fd, buf, nCount) _write(fd, (void *)buf, nCount)

         #else
         #else

-            #define wxRead        _read(fd, (const char *)buf, nCount)
-            #define wxWrite        _write(fd, (const char *)buf, nCount)
+            #define wxRead(fd, buf, nCount)\
+                  _read(fd, (const char *)buf, nCount)
+            #define wxWrite(fd, buf, nCount)\
+                  _write(fd, (const char *)buf, nCount)

         #endif
     #else
         #endif
     #else

-        #ifdef __DMC__
+        #if defined(__DMC__) || defined(__WATCOMC__)

             #define wxRead        ::read
             #define wxWrite       ::write
         #else
             #define wxRead        ::read
             #define wxWrite       ::write
         #else


@@ -224,7 +216,7 @@ enum wxSeekMode
             #define wxWrite        _write
         #endif
     #endif
             #define wxWrite        _write
         #endif
     #endif

-    #if __HUGEFILES_SUPPORTED
+    #if wxHAS_HUGE_FILES

         #define   wxSeek      _lseeki64
         #define   wxLseek      _lseeki64
         #define   wxTell       _telli64
         #define   wxSeek      _lseeki64
         #define   wxLseek      _lseeki64
         #define   wxTell       _telli64


@@ -234,7 +226,11 @@ enum wxSeekMode
         #define   wxTell       _tell
     #endif
     #define   wxFsync      _commit
         #define   wxTell       _tell
     #endif
     #define   wxFsync      _commit

-    #define   wxEof        _eof
+    #if defined(__WATCOMC__)
+        #define   wxEof        ::eof
+    #else
+        #define   wxEof        _eof
+    #endif

 
     #if wxUSE_UNICODE
         #if wxUSE_UNICODE_MSLU
 
     #if wxUSE_UNICODE
         #if wxUSE_UNICODE_MSLU


@@ -243,7 +239,7 @@ enum wxSeekMode
             #define   wxAccess     wxMSLU__waccess
             #define   wxMkDir      wxMSLU__wmkdir
             #define   wxRmDir      wxMSLU__wrmdir
             #define   wxAccess     wxMSLU__waccess
             #define   wxMkDir      wxMSLU__wmkdir
             #define   wxRmDir      wxMSLU__wrmdir

-            #if __HUGEFILES_SUPPORTED
+            #if wxHAS_HUGE_FILES

                 #define   wxStat       wxMSLU__wstati64
             #else
                 #define   wxStat       wxMSLU__wstat
                 #define   wxStat       wxMSLU__wstati64
             #else
                 #define   wxStat       wxMSLU__wstat


@@ -253,7 +249,7 @@ enum wxSeekMode
             #define   wxAccess     _waccess
             #define   wxMkDir      _wmkdir
             #define   wxRmDir      _wrmdir
             #define   wxAccess     _waccess
             #define   wxMkDir      _wmkdir
             #define   wxRmDir      _wrmdir

-            #if __HUGEFILES_SUPPORTED
+            #if wxHAS_HUGE_FILES

                 #define   wxStat       _wstati64
             #else
                 #define   wxStat       _wstat
                 #define   wxStat       _wstati64
             #else
                 #define   wxStat       _wstat


@@ -272,7 +268,7 @@ enum wxSeekMode
         #else
             #define   wxRmDir      _rmdir
         #endif
         #else
             #define   wxRmDir      _rmdir
         #endif

-        #if __HUGEFILES_SUPPORTED
+        #if wxHAS_HUGE_FILES

             #define   wxStat       _stati64
         #else
             #define   wxStat       _stat
             #define   wxStat       _stati64
         #else
             #define   wxStat       _stat


@@ -281,7 +277,7 @@ enum wxSeekMode
 
     // types: notice that Watcom is the only compiler to have a wide char
     // version of struct stat as well as a wide char stat function variant
 
     // types: notice that Watcom is the only compiler to have a wide char
     // version of struct stat as well as a wide char stat function variant

-    #if __HUGEFILES_SUPPORTED
+    #if wxHAS_HUGE_FILES

         #if wxUSE_UNICODE && defined(__WATCOMC__)
             #define   wxStructStat struct _wstati64
         #else
         #if wxUSE_UNICODE && defined(__WATCOMC__)
             #define   wxStructStat struct _wstati64
         #else


@@ -296,27 +292,31 @@ enum wxSeekMode
     #endif
 
     // constants (unless already defined by the user code)
     #endif
 
     // constants (unless already defined by the user code)

-    #if !defined(O_RDONLY) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
-        #define   O_RDONLY    _O_RDONLY
-        #define   O_WRONLY    _O_WRONLY
-        #define   O_RDWR      _O_RDWR
-        #define   O_EXCL      _O_EXCL
-        #define   O_CREAT     _O_CREAT
-        #define   O_BINARY    _O_BINARY
-    #endif
+    #if !defined(__BORLANDC__) && !defined(__WATCOMC__) && !defined(__WXPALMOS__)
+        #ifndef O_RDONLY
+            #define   O_RDONLY    _O_RDONLY
+            #define   O_WRONLY    _O_WRONLY
+            #define   O_RDWR      _O_RDWR
+            #define   O_EXCL      _O_EXCL
+            #define   O_CREAT     _O_CREAT
+            #define   O_BINARY    _O_BINARY
+        #endif

 
 

-    #if !defined(__BORLANDC__) && !defined(__WATCOMC__)
-        #define   S_IFMT      _S_IFMT
-        #define   S_IFDIR     _S_IFDIR
-        #define   S_IFREG     _S_IFREG
-    #endif // O_RDONLY
+        #ifndef S_IFMT
+            #define   S_IFMT      _S_IFMT
+            #define   S_IFDIR     _S_IFDIR
+            #define   S_IFREG     _S_IFREG
+        #endif
+    #endif

 
     // It's a private define, undefine it so nobody gets tempted to use it
 
     // It's a private define, undefine it so nobody gets tempted to use it

-    #undef __HUGEFILES_SUPPORTED
-#else
+    #undef wxHAS_HUGE_FILES
+#else // Unix platforms using configure

     typedef off_t wxFileOffset;
     #ifdef _LARGE_FILES
         #define wxFileOffsetFmtSpec wxLongLongFmtSpec
     typedef off_t wxFileOffset;
     #ifdef _LARGE_FILES
         #define wxFileOffsetFmtSpec wxLongLongFmtSpec

+        wxCOMPILE_TIME_ASSERT( sizeof(off_t) == sizeof(wxLongLong_t),
+                                BadFileSizeType );

     #else
         #define wxFileOffsetFmtSpec _T("")
     #endif
     #else
         #define wxFileOffsetFmtSpec _T("")
     #endif


@@ -349,8 +349,17 @@ enum wxSeekMode
         #define   wxStat       stat
         #define   wxAccess     access
     #endif
         #define   wxStat       stat
         #define   wxAccess     access
     #endif

+#endif // platforms

 
 

-#endif  // VC++
+#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
+//
+// VisualAge C++ V4.0 cannot have any external linkage const decs
+// in headers included by more than one primary source
+//
+extern const int wxInvalidOffset;
+#else
+const int wxInvalidOffset = -1;
+#endif

 
 // ----------------------------------------------------------------------------
 // functions
 
 // ----------------------------------------------------------------------------
 // functions


@@ -448,8 +457,14 @@ WXDLLIMPEXP_BASE bool wxMkdir(const wxString& dir, int perm = 0777);
 // Remove directory. Flags reserved for future use.
 WXDLLIMPEXP_BASE bool wxRmdir(const wxString& dir, int flags = 0);
 
 // Remove directory. Flags reserved for future use.
 WXDLLIMPEXP_BASE bool wxRmdir(const wxString& dir, int flags = 0);
 

+// Return the type of an open file
+WXDLLIMPEXP_BASE wxFileKind wxGetFileKind(int fd);
+WXDLLIMPEXP_BASE wxFileKind wxGetFileKind(FILE *fp);
+

 // compatibility defines, don't use in new code
 // compatibility defines, don't use in new code

-#define wxDirExists wxPathExists
+#if WXWIN_COMPATIBILITY_2_4
+    #define wxDirExists wxPathExists
+#endif

 
 // ----------------------------------------------------------------------------
 // separators in file names
 
 // ----------------------------------------------------------------------------
 // separators in file names


@@ -538,6 +553,41 @@ WXDLLIMPEXP_BASE int wxParseCommonDialogsFilter(const wxString& wildCard, wxArra
 // classes
 // ----------------------------------------------------------------------------
 
 // classes
 // ----------------------------------------------------------------------------
 

+#ifdef __UNIX__
+
+// set umask to the given value in ctor and reset it to the old one in dtor
+class WXDLLIMPEXP_BASE wxUmaskChanger
+{
+public:
+    // change the umask to the given one if it is not -1: this allows to write
+    // the same code whether you really want to change umask or not, as is in
+    // wxFileConfig::Flush() for example
+    wxUmaskChanger(int umaskNew)
+    {
+        m_umaskOld = umaskNew == -1 ? -1 : (int)umask((mode_t)umaskNew);
+    }
+
+    ~wxUmaskChanger()
+    {
+        if ( m_umaskOld != -1 )
+            umask((mode_t)m_umaskOld);
+    }
+
+private:
+    int m_umaskOld;
+};
+
+// this macro expands to an "anonymous" wxUmaskChanger object under Unix and
+// nothing elsewhere
+#define wxCHANGE_UMASK(m) wxUmaskChanger wxMAKE_UNIQUE_NAME(umaskChanger_)(m)
+
+#else // !__UNIX__
+
+#define wxCHANGE_UMASK(m)
+
+#endif // __UNIX__/!__UNIX__
+
+

 // Path searching
 class WXDLLIMPEXP_BASE wxPathList : public wxStringList
 {
 // Path searching
 class WXDLLIMPEXP_BASE wxPathList : public wxStringList
 {