Don't rely on __GXX_RTTI being defined with g++ < 4.3.

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

diff --git a/include/wx/defs.h b/include/wx/defs.h
index 1155806e240cc5559b06c4a4b13cf988285d7df4..b1e7f2062f8f588fccab2aff33c2cdb98f803667 100644 (file)
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -908,7 +908,7 @@ typedef wxUint16 wxWord;
         #if defined(__MACH__) && !defined(SIZEOF_WCHAR_T)
             #define SIZEOF_WCHAR_T 4
         #endif
-        #if wxUSE_WCHAR_T && !defined(SIZEOF_WCHAR_T)
+        #if !defined(SIZEOF_WCHAR_T)
             /*  also assume that sizeof(wchar_t) == 2 (under Unix the most */
             /*  common case is 4 but there configure would have defined */
             /*  SIZEOF_WCHAR_T for us) */
@@ -917,10 +917,14 @@ typedef wxUint16 wxWord;
                                     Wchar_tMustBeExactly2Bytes);
 
             #define SIZEOF_WCHAR_T 2
-        #endif /*  wxUSE_WCHAR_T */
+        #endif /*  !defined(SIZEOF_WCHAR_T) */
     #endif
 #endif /*  Win/!Win */
 
+#ifndef SIZEOF_WCHAR_T
+    #error "SIZEOF_WCHAR_T must be defined, but isn't"
+#endif
+
 /* also define C99-like sized MIN/MAX constants */
 #define wxINT8_MIN CHAR_MIN
 #define wxINT8_MAX CHAR_MAX
@@ -1248,14 +1252,14 @@ typedef double wxDouble;
 
 /* Define wxChar16 and wxChar32                                              */
 
-#if wxUSE_WCHAR_T && (!defined(SIZEOF_WCHAR_T) || (SIZEOF_WCHAR_T == 2))
+#if SIZEOF_WCHAR_T == 2
     #define wxWCHAR_T_IS_WXCHAR16
     typedef wchar_t wxChar16;
 #else
     typedef wxUint16 wxChar16;
 #endif
 
-#if wxUSE_WCHAR_T && defined(SIZEOF_WCHAR_T) && (SIZEOF_WCHAR_T == 4)
+#if SIZEOF_WCHAR_T == 4
     #define wxWCHAR_T_IS_WXCHAR32
     typedef wchar_t wxChar32;
 #else
@@ -1466,6 +1470,11 @@ enum wxDirection
 
 enum wxAlignment
 {
+    // 0 is a valid wxAlignment value (both wxALIGN_LEFT and wxALIGN_TOP use
+    // it) so define a symbolic name for an invalid alignment value which can
+    // be assumed to be different from anything else
+    wxALIGN_INVALID           = -1,
+
     wxALIGN_NOT               = 0x0000,
     wxALIGN_CENTER_HORIZONTAL = 0x0100,
     wxALIGN_CENTRE_HORIZONTAL = wxALIGN_CENTER_HORIZONTAL,
@@ -2538,10 +2547,11 @@ typedef enum
 } wxPaperSize;
 
 /* Printing orientation */
-#ifndef wxPORTRAIT
-#define wxPORTRAIT      1
-#define wxLANDSCAPE     2
-#endif
+enum wxPrintOrientation
+{
+   wxPORTRAIT = 1,
+   wxLANDSCAPE
+};
 
 /* Duplex printing modes
  */