X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0c32066b58849e52e4d76e30982414d9f4daae6a..b1d66b5415f7befb45e050d7097571642b8bfa56:/include/wx/object.h

diff --git a/include/wx/object.h b/include/wx/object.h
index 83b86a7d08..69e3796842 100644
--- a/include/wx/object.h
+++ b/include/wx/object.h
@@ -6,7 +6,7 @@
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:   	wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_OBJECTH__
@@ -17,25 +17,33 @@
 #endif
 
 #include "wx/defs.h"
+#include "wx/memory.h"
 
 class WXDLLEXPORT wxObject;
 
-#if USE_DYNAMIC_CLASSES
+#if wxUSE_DYNAMIC_CLASSES
 
-#ifdef __GNUWIN32__
+// #ifdef __GNUWIN32__
 #ifdef GetClassName
 #undef GetClassName
 #endif
+#ifdef GetClassInfo
+#undef GetClassInfo
 #endif
+// #endif
 
 class WXDLLEXPORT wxClassInfo;
-class WXDLLIMPORT ostream;
 class WXDLLEXPORT wxInputStream;
+class WXDLLEXPORT wxOutputStream;
 class WXDLLEXPORT wxObjectInputStream;
 class WXDLLEXPORT wxObjectOutputStream;
 class WXDLLEXPORT wxHashTable;
 class WXDLLEXPORT wxObject_Serialize;
 
+#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
+  #include "wx/ioswrap.h"
+#endif
+
 /*
  * Dynamic object system declarations
  */
@@ -44,58 +52,63 @@ typedef wxObject * (*wxObjectConstructorFn) (void);
 
 class WXDLLEXPORT wxClassInfo
 {
- public:
-   wxClassInfo(char *cName, char *baseName1, char *baseName2, int sz, wxObjectConstructorFn fn);
+public:
+   wxClassInfo(const wxChar *cName,
+               const wxChar *baseName1,
+               const wxChar *baseName2,
+               int sz,
+               wxObjectConstructorFn fn);
 
    wxObject *CreateObject(void);
-   
-   inline char *GetClassName(void) const { return m_className; }
-   inline char *GetBaseClassName1(void) const { return m_baseClassName1; }
-   inline char *GetBaseClassName2(void) const { return m_baseClassName2; }
-   inline wxClassInfo* GetBaseClass1() const { return m_baseInfo1; }
-   inline wxClassInfo* GetBaseClass2() const { return m_baseInfo2; }
-   inline int GetSize(void) const { return m_objectSize; }
-   inline wxObjectConstructorFn GetConstructor() const { return m_objectConstructor; }
-   inline wxClassInfo* GetFirst() const { return sm_first; }
-   inline wxClassInfo* GetNext() const { return m_next; }
-   bool IsKindOf(wxClassInfo *info);
-
-   static wxClassInfo *FindClass(char *c);
+
+   const wxChar *GetClassName() const { return m_className; }
+   const wxChar *GetBaseClassName1() const { return m_baseClassName1; }
+   const wxChar *GetBaseClassName2() const { return m_baseClassName2; }
+   const wxClassInfo* GetBaseClass1() const { return m_baseInfo1; }
+   const wxClassInfo* GetBaseClass2() const { return m_baseInfo2; }
+   int GetSize() const { return m_objectSize; }
+   wxObjectConstructorFn GetConstructor() const { return m_objectConstructor; }
+   static const wxClassInfo* GetFirst() { return sm_first; }
+   const wxClassInfo* GetNext() const { return m_next; }
+   bool IsKindOf(const wxClassInfo *info) const;
+
+   static wxClassInfo *FindClass(const wxChar *c);
 
    // Initializes parent pointers and hash table for fast searching.
-   static void InitializeClasses(void);
+   static void InitializeClasses();
 
    // Cleans up hash table used for fast searching.
-   static void CleanUpClasses(void);
+   static void CleanUpClasses();
 
 public:
-   char*                    m_className;
-   char*                    m_baseClassName1;
-   char*                    m_baseClassName2;
+   const wxChar*            m_className;
+   const wxChar*            m_baseClassName1;
+   const wxChar*            m_baseClassName2;
    int                      m_objectSize;
    wxObjectConstructorFn    m_objectConstructor;
-   
+
    // Pointers to base wxClassInfos: set in InitializeClasses
-   // called from wx_main.cc
-   wxClassInfo*             m_baseInfo1;
-   wxClassInfo*             m_baseInfo2;
+   const wxClassInfo*       m_baseInfo1;
+   const wxClassInfo*       m_baseInfo2;
 
+   // class info object live in a linked list: pointers to its head and the
+   // next element in it
    static wxClassInfo*      sm_first;
    wxClassInfo*             m_next;
 
    static wxHashTable*      sm_classTable;
 };
 
-wxObject* WXDLLEXPORT wxCreateDynamicObject(const char *name);
+WXDLLEXPORT wxObject* wxCreateDynamicObject(const wxChar *name);
 
-#ifdef USE_SERIAL
-wxObject* WXDLLEXPORT wxCreateStoredObject( wxInputStream& stream );
+#if wxUSE_SERIAL
+WXDLLEXPORT wxObject* wxCreateStoredObject( wxInputStream& stream );
 #endif
 
 #define DECLARE_DYNAMIC_CLASS(name) \
  public:\
   static wxClassInfo sm_class##name;\
-  wxClassInfo *GetClassInfo() \
+  wxClassInfo *GetClassInfo() const \
    { return &name::sm_class##name; }
 
 #define DECLARE_ABSTRACT_CLASS(name) DECLARE_DYNAMIC_CLASS(name)
@@ -109,13 +122,13 @@ wxObject* WXDLLEXPORT wxCreateStoredObject( wxInputStream& stream );
 #define IMPLEMENT_DYNAMIC_CLASS(name, basename) \
 wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \
    { return new name; }\
- wxClassInfo name::sm_class##name((char *) #name, (char *) #basename, (char *) NULL, (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name);
+ wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#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((char *) #name, (char *) #basename1, (char *) #basename2, (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name);
+ wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename1), (wxChar *) wxT(#basename2), (int) sizeof(name), (wxObjectConstructorFn) wxConstructorFor##name);
 
 //////
 ////// for abstract classes
@@ -123,19 +136,20 @@ wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \
 
 // Single inheritance with one base class
 #define IMPLEMENT_ABSTRACT_CLASS(name, basename) \
- wxClassInfo name::sm_class##name((char *) #name, (char *) #basename, \
-		 (char *) NULL, (int) sizeof(name), (wxObjectConstructorFn) NULL);
+ wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#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((char *) #name, (char *) #basename1, (char *) #basename2, (int) sizeof(name), (wxObjectConstructorFn) NULL);
+ wxClassInfo name::sm_class##name((wxChar *) wxT(#name), (wxChar *) wxT(#basename1), \
+         (wxChar *) wxT(#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)
@@ -148,16 +162,47 @@ 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) \
+    (className *) wxCheckDynamicCast((wxObject*)(obj), &className::sm_class##className)
+
+// The 'this' pointer is always true, so use this version to cast the this
+// pointer and avoid compiler warnings.
+#define wxDynamicCastThis(className) \
+        (IsKindOf(&className::sm_class##className) \
+        ? (className *)(this) \
+        : (className *)0)
+
+#define wxConstCast(obj, className) ((className *)(obj))
+
+#ifdef __WXDEBUG__
+    inline void wxCheckCast(void *ptr)
+    {
+        wxASSERT_MSG( ptr, _T("wxStaticCast() used incorrectly") );
+    }
 
-#define IS_KIND_OF(obj, className) obj->IsKindOf(&className::sm_class##className)
+    #define wxStaticCast(obj, className) \
+        (wxCheckCast(wxDynamicCast(obj, className)), ((className *)(obj)))
+
+#else // !Debug
+    #define wxStaticCast(obj, className) ((className *)(obj))
+#endif // Debug/!Debug
 
 // Unfortunately Borland seems to need this include.
+#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
 #ifdef __BORLANDC__
-#if USE_IOSTREAMH
-#include <iostream.h>
-#else
-#include <iostream>
+    #if wxUSE_IOSTREAMH
+        #include <iostream.h>
+    #else
+        #include <iostream>
+    #endif
 #endif
 #endif
 
@@ -173,27 +218,44 @@ class WXDLLEXPORT wxObject
   wxObject(void);
   virtual ~wxObject(void);
 
-  virtual wxClassInfo *GetClassInfo(void) { return &sm_classwxObject; }
-
-  bool IsKindOf(wxClassInfo *info);
-
-#if WXDEBUG && USE_MEMORY_TRACING
-  void * operator new (size_t size, char * fileName = NULL, int lineNum = 0);
-  void operator delete (void * buf);
-  
-  // Cause problems for VC++
-#ifndef _MSC_VER
-  void * operator new[] (size_t size, char * fileName = NULL, int lineNum = 0);
-  void operator delete[] (void * buf);
-#endif
-
-#endif
-
-#if WXDEBUG || USE_DEBUG_CONTEXT
-  virtual void Dump(ostream& str);
+  virtual wxClassInfo *GetClassInfo(void) const { return &sm_classwxObject; }
+
+  bool IsKindOf(wxClassInfo *info) const;
+
+#if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
+  void * operator new (size_t size, wxChar * fileName = NULL, int lineNum = 0);
+#  if defined(__VISAGECPP__)
+#    if __DEBUG_ALLOC__
+       void operator delete (void * buf,const char * _fname, size_t _line);
+#    endif  //__DEBUG_ALLOC__
+#  else // Everybody else
+    void operator delete (void * buf);
+#  endif // end of VISAGECPP
+
+// VC++ 6.0
+#  if defined(__VISUALC__) && (__VISUALC__ >= 1200)
+    void operator delete(void *buf, wxChar*, int);
+#  endif
+
+    // Causes problems for VC++
+#  if wxUSE_ARRAY_MEMORY_OPERATORS && !defined(__VISUALC__) && !defined( __MWERKS__)
+    void * operator new[] (size_t size, wxChar * fileName = NULL, int lineNum = 0);
+    void operator delete[] (void * buf);
+#  endif
+
+#  ifdef __MWERKS__
+    void * operator new[] (size_t size, wxChar * fileName , int lineNum = 0);
+    void * operator new[] (size_t size) { return operator new[] ( size , NULL , 0 ) ; }
+    void operator delete[] (void * buf);
+#  endif
+
+#endif // Debug & memory tracing
+
+#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
+  virtual void Dump(wxSTD ostream& str);
 #endif
 
-#ifdef USE_SERIAL
+#if wxUSE_SERIAL
   virtual void StoreObject( wxObjectOutputStream &stream );
   virtual void LoadObject( wxObjectInputStream &stream );
 #endif
@@ -209,7 +271,7 @@ class WXDLLEXPORT wxObject
 
 protected:
   wxObjectRefData*      m_refData;
-#ifdef USE_SERIAL
+#if wxUSE_SERIAL
   wxObject_Serialize*   m_serialObj;
 #endif
 };
@@ -231,11 +293,25 @@ private:
     int m_count;
 };
 
-#if WXDEBUG && USE_GLOBAL_MEMORY_OPERATORS
+inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo)
+{
+    return obj && obj->GetClassInfo()->IsKindOf(classInfo) ? obj : 0;
+}
+
+#ifdef __WXDEBUG__
 #ifndef WXDEBUG_NEW
-#define WXDEBUG_NEW new(__FILE__,__LINE__)
+#define WXDEBUG_NEW new(__TFILE__,__LINE__)
 #endif
-#define new WXDEBUG_NEW
+#else
+#define WXDEBUG_NEW new
+#endif
+
+// Redefine new to be the debugging version. This doesn't
+// work with all compilers, in which case you need to
+// use WXDEBUG_NEW explicitly if you wish to use the debugging version.
+
+#if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS
+#define new new(__TFILE__,__LINE__)
 #endif
 
 #endif