wxRegion::IsEmpty() added

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

diff --git a/include/wx/object.h b/include/wx/object.h
index 61c34c41ecfd9f4757cef9c57931ba45a8fa7b12..6dc59bf649dc79893ddedde3d8db6c773ebfecc1 100644 (file)
--- a/include/wx/object.h
+++ b/include/wx/object.h
@@ -40,14 +40,8 @@ class WXDLLEXPORT wxObjectOutputStream;
 class WXDLLEXPORT wxHashTable;
 class WXDLLEXPORT wxObject_Serialize;
 
-#if wxUSE_IOSTREAMH
-    // N.B. BC++ doesn't have istream.h, ostream.h
-#   include <iostream.h>
-#else
-#   include <ostream>
-#   if defined(__VISUALC__) || defined(__MWERKS__)
-        using namespace std;
-#   endif
+#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
+  #include "wx/ioswrap.h"
 #endif
 
 /*
@@ -123,13 +117,13 @@ WXDLLEXPORT wxObject* wxCreateStoredObject( wxInputStream& stream );
 #define IMPLEMENT_DYNAMIC_CLASS(name, basename) \
 wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \
    { return new name; }\
- wxClassInfo name::sm_class##name((wxChar *) _T(#name), (wxChar *) _T(#basename), (wxChar *) NULL, (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name);
+ wxClassInfo name::sm_class##name((wxChar *) T(#name), (wxChar *) T(#basename), (wxChar *) NULL, (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name);
 
 // Multiple inheritance with two base classes
 #define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) \
 wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \
    { return new name; }\
- wxClassInfo name::sm_class##name((wxChar *) _T(#name), (wxChar *) _T(#basename1), (wxChar *) _T(#basename2), (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name);
+ wxClassInfo name::sm_class##name((wxChar *) T(#name), (wxChar *) T(#basename1), (wxChar *) T(#basename2), (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name);
 
 //////
 ////// for abstract classes
@@ -137,20 +131,20 @@ wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \
 
 // Single inheritance with one base class
 #define IMPLEMENT_ABSTRACT_CLASS(name, basename) \
- wxClassInfo name::sm_class##name((wxChar *) _T(#name), (wxChar *) _T(#basename), \
-                (wxChar *) NULL, (int) sizeof(name), (wxObjectConstructorFn) NULL);
+ wxClassInfo name::sm_class##name((wxChar *) T(#name), (wxChar *) T(#basename), \
+         (wxChar *) NULL, (int) sizeof(name), (wxObjectConstructorFn) NULL);
 
 // Multiple inheritance with two base classes
 #define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) \
- wxClassInfo name::sm_class##name((wxChar *) _T(#name), (wxChar *) _T(#basename1), \
-                (wxChar *) _T(#basename2), (int) sizeof(name), (wxObjectConstructorFn) NULL);
+ wxClassInfo name::sm_class##name((wxChar *) T(#name), (wxChar *) T(#basename1), \
+         (wxChar *) T(#basename2), (int) sizeof(name), (wxObjectConstructorFn) NULL);
 
 #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
 #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
 
 #define CLASSINFO(name) (&name::sm_class##name)
 
-#else
+#else // !wxUSE_DYNAMIC_CLASSES
 
 // No dynamic class system: so stub out the macros
 #define DECLARE_DYNAMIC_CLASS(name)
@@ -163,20 +157,26 @@ wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \
 #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
 #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
 
-#endif
+#endif // wxUSE_DYNAMIC_CLASSES/!wxUSE_DYNAMIC_CLASSES
 
 #define wxIS_KIND_OF(obj, className) obj->IsKindOf(&className::sm_class##className)
 
 // Just seems a bit nicer-looking (pretend it's not a macro)
 #define wxIsKindOf(obj, className) obj->IsKindOf(&className::sm_class##className)
 
+// to be replaced by dynamic_cast<> in the future
+#define wxDynamicCast(obj, className) \
+        ((obj) && ((obj)->IsKindOf(&className::sm_class##className)) \
+        ? (className *)(obj) \
+        : (className *)0)
+
 // Unfortunately Borland seems to need this include.
 #ifdef __BORLANDC__
-#if wxUSE_IOSTREAMH
-#include <iostream.h>
-#else
-#include <iostream>
-#endif
+    #if wxUSE_IOSTREAMH
+        #include <iostream.h>
+    #else
+        #include <iostream>
+    #endif
 #endif
 
 class WXDLLEXPORT wxObjectRefData;
@@ -219,7 +219,7 @@ class WXDLLEXPORT wxObject
 
 #endif // Debug & memory tracing
 
-#if defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT
+#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
   virtual void Dump(ostream& str);
 #endif