#ifndef _WX_OBJECTH__
#define _WX_OBJECTH__
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface "object.h"
-#endif
-
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
-#include "wx/defs.h"
#include "wx/memory.h"
class WXDLLIMPEXP_BASE wxObject;
// conditional compilation
// ----------------------------------------------------------------------------
-// this shouldn't be needed any longer as <wx/msw/private.h> does it but it
-// doesn't hurt neither
-#ifdef GetClassName
-#undef GetClassName
-#endif
-#ifdef GetClassInfo
-#undef GetClassInfo
-#endif
-
class WXDLLIMPEXP_BASE wxClassInfo;
class WXDLLIMPEXP_BASE wxHashTable;
class WXDLLIMPEXP_BASE wxObjectRefData;
~wxClassInfo();
- wxObject *CreateObject() { return m_objectConstructor ? (*m_objectConstructor)() : 0; }
+ wxObject *CreateObject() const
+ { return m_objectConstructor ? (*m_objectConstructor)() : 0; }
+ bool IsDynamic() const { return (NULL != m_objectConstructor); }
const wxChar *GetClassName() const { return m_className; }
const wxChar *GetBaseClassName1() const
const wxClassInfo *GetBaseClass2() const { return m_baseInfo2; }
int GetSize() const { return m_objectSize; }
- wxObjectConstructorFn GetConstructor() const { return m_objectConstructor; }
+ wxObjectConstructorFn GetConstructor() const
+ { return m_objectConstructor; }
static const wxClassInfo *GetFirst() { return sm_first; }
const wxClassInfo *GetNext() const { return m_next; }
static wxClassInfo *FindClass(const wxChar *className);
// Cleans up hash table used for fast searching.
wxDEPRECATED( static void CleanUpClasses() );
#endif
- static void CleanUp();
public:
const wxChar *m_className;
wxIMPLEMENT_CLASS_COMMON(name, basename, NULL, func)
#define wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, func) \
- wxIMPLEMENT_CLASS_COMMON(name, basename1, &basename2::ms_classInfo)
+ wxIMPLEMENT_CLASS_COMMON(name, basename1, &basename2::ms_classInfo, func)
// -----------------------------------
// for concrete classes
// Just seems a bit nicer-looking (pretend it's not a macro)
#define wxIsKindOf(obj, className) obj->IsKindOf(&className::ms_classInfo)
-// to be replaced by dynamic_cast<> in the future
+// this cast does some more checks at compile time as it uses static_cast
+// internally
+//
+// note that it still has different semantics from dynamic_cast<> and so can't
+// be replaced by it as long as there are any compilers not supporting it
#define wxDynamicCast(obj, className) \
((className *) wxCheckDynamicCast( \
wx_const_cast(wxObject *, wx_static_cast(const wxObject *, \
// The 'this' pointer is always true, so use this version
// to cast the this pointer and avoid compiler warnings.
#define wxDynamicCastThis(className) \
- (IsKindOf(&className::ms_classInfo) ? (className *)(this) : (className *)0)
+ (IsKindOf(&className::ms_classInfo) ? (className *)(this) : (className *)0)
#ifdef __WXDEBUG__
inline void* wxCheckCast(void *ptr)
((className *)wxCheckCast(wxDynamicCast(obj, className)))
#else // !__WXDEBUG__
-#define wxStaticCast(obj, className) ((className *)(obj))
+#define wxStaticCast(obj, className) \
+ wx_const_cast(className *, wx_static_cast(const className *, obj))
#endif // __WXDEBUG__
#define _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET
#endif
-// Only VC++ 6.0 and CodeWarrior compilers get overloaded delete that matches new
-#if ( defined(__VISUALC__) && (__VISUALC__ >= 1200) ) || (defined(__MWERKS__) && (__MWERKS__ >= 0x2400))
+// Only VC++ 6 and CodeWarrior get overloaded delete that matches new
+#if (defined(__VISUALC__) && (__VISUALC__ >= 1200)) || \
+ (defined(__MWERKS__) && (__MWERKS__ >= 0x2400))
#define _WX_WANT_DELETE_VOID_WXCHAR_INT
#endif
#endif // wxUSE_ARRAY_MEMORY_OPERATORS
-#endif // WXDEBUG && wxUSE_MEMORY_TRACING
+#endif // __WXDEBUG__ && wxUSE_MEMORY_TRACING
+
+// ----------------------------------------------------------------------------
+// wxObjectRefData: ref counted data meant to be stored in wxObject
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxObjectRefData
+{
+ friend class WXDLLIMPEXP_BASE wxObject;
+
+public:
+ wxObjectRefData() : m_count(1) { }
+ virtual ~wxObjectRefData() { }
+
+ int GetRefCount() const { return m_count; }
+
+private:
+ int m_count;
+};
// ----------------------------------------------------------------------------
// wxObject: the root class of wxWidgets object hierarchy
{
DECLARE_ABSTRACT_CLASS(wxObject)
-private:
- void InitFrom(const wxObject& other);
-
public:
wxObject() { m_refData = NULL; }
virtual ~wxObject() { UnRef(); }
wxObject(const wxObject& other)
- {
- InitFrom(other);
- }
+ {
+ m_refData = other.m_refData;
+ if (m_refData)
+ m_refData->m_count++;
+ }
wxObject& operator=(const wxObject& other)
{
if ( this != &other )
{
- UnRef();
- InitFrom(other);
+ Ref(other);
}
return *this;
}
// destroy a reference
void UnRef();
+ // Make sure this object has only one reference
+ void UnShare() { AllocExclusive(); }
+
+ // check if this object references the same data as the other one
+ bool IsSameAs(const wxObject& o) const { return m_refData == o.m_refData; }
+
protected:
// ensure that our data is not shared with anybody else: if we have no
// data, it is created using CreateRefData() below, if we have shared data
// it is copied using CloneRefData(), otherwise nothing is done
void AllocExclusive();
- // both methods must be implemented if Unshare() is used, not pure virtual
- // only because of the backwards compatibility reasons
+ // both methods must be implemented if AllocExclusive() is used, not pure
+ // virtual only because of the backwards compatibility reasons
// create a new m_refData
virtual wxObjectRefData *CreateRefData() const;
wxObjectRefData *m_refData;
};
-// ----------------------------------------------------------------------------
-// wxObjectRefData: ref counted data meant to be stored in wxObject
-// ----------------------------------------------------------------------------
-
-class WXDLLIMPEXP_BASE wxObjectRefData
-{
- friend class WXDLLIMPEXP_BASE wxObject;
-
-public:
- wxObjectRefData() : m_count(1) { }
- virtual ~wxObjectRefData() { }
-
- int GetRefCount() const { return m_count; }
-
-private:
- int m_count;
-};
-
-
inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo)
{
return obj && obj->GetClassInfo()->IsKindOf(classInfo) ? obj : NULL;
public:
// instantiates this object with an instance of its superclass
wxDynamicObject(wxObject* superClassInstance, const wxDynamicClassInfo *info) ;
- ~wxDynamicObject();
+ virtual ~wxDynamicObject();
void SetProperty (const wxChar *propertyName, const wxxVariant &value);
wxxVariant GetProperty (const wxChar *propertyName) const ;
// more debugging macros
// ----------------------------------------------------------------------------
-#ifdef __WXDEBUG__
- #ifndef WXDEBUG_NEW
- #define WXDEBUG_NEW new(__TFILE__,__LINE__)
- #endif
-#else // !__WXDEBUG__
- #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__)
-#elif (defined(__WXDEBUG__) && defined(__VISUALC__) && !wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS)
- // Including this file redefines new and allows leak reports to contain line numbers
- #include "wx/msw/msvcrt.h"
-#endif
-
-#endif // _WX_OBJECTH__
+#ifdef __WXDEBUG__
+ #define WXDEBUG_NEW new(__TFILE__,__LINE__)
+
+ #if wxUSE_DEBUG_NEW_ALWAYS
+ #if wxUSE_GLOBAL_MEMORY_OPERATORS
+ #define new WXDEBUG_NEW
+ #elif defined(__VISUALC__)
+ // Including this file redefines new and allows leak reports to
+ // contain line numbers
+ #include "wx/msw/msvcrt.h"
+ #endif
+ #endif // wxUSE_DEBUG_NEW_ALWAYS
+#else // !__WXDEBUG__
+ #define WXDEBUG_NEW new
+#endif // __WXDEBUG__/!__WXDEBUG__
+#endif // _WX_OBJECTH__
projects / wxWidgets.git / blobdiff