rtti.h 13 KB

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  1. /////////////////////////////////////////////////////////////////////////////
  2. // Name: wx/rtti.h
  3. // Purpose: old RTTI macros (use XTI when possible instead)
  4. // Author: Julian Smart
  5. // Modified by: Ron Lee
  6. // Created: 01/02/97
  7. // Copyright: (c) 1997 Julian Smart
  8. // (c) 2001 Ron Lee <ron@debian.org>
  9. // Licence: wxWindows licence
  10. /////////////////////////////////////////////////////////////////////////////
  11. #ifndef _WX_RTTIH__
  12. #define _WX_RTTIH__
  13. #if !wxUSE_EXTENDED_RTTI // XTI system is meant to replace these macros
  14. // ----------------------------------------------------------------------------
  15. // headers
  16. // ----------------------------------------------------------------------------
  17. #include "wx/memory.h"
  18. // ----------------------------------------------------------------------------
  19. // forward declarations
  20. // ----------------------------------------------------------------------------
  21. class WXDLLIMPEXP_FWD_BASE wxObject;
  22. class WXDLLIMPEXP_FWD_BASE wxString;
  23. class WXDLLIMPEXP_FWD_BASE wxClassInfo;
  24. class WXDLLIMPEXP_FWD_BASE wxHashTable;
  25. class WXDLLIMPEXP_FWD_BASE wxObject;
  26. class WXDLLIMPEXP_FWD_BASE wxPluginLibrary;
  27. class WXDLLIMPEXP_FWD_BASE wxHashTable_Node;
  28. // ----------------------------------------------------------------------------
  29. // wxClassInfo
  30. // ----------------------------------------------------------------------------
  31. typedef wxObject *(*wxObjectConstructorFn)(void);
  32. class WXDLLIMPEXP_BASE wxClassInfo
  33. {
  34. friend class WXDLLIMPEXP_FWD_BASE wxObject;
  35. friend WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxString& name);
  36. public:
  37. wxClassInfo( const wxChar *className,
  38. const wxClassInfo *baseInfo1,
  39. const wxClassInfo *baseInfo2,
  40. int size,
  41. wxObjectConstructorFn ctor )
  42. : m_className(className)
  43. , m_objectSize(size)
  44. , m_objectConstructor(ctor)
  45. , m_baseInfo1(baseInfo1)
  46. , m_baseInfo2(baseInfo2)
  47. , m_next(sm_first)
  48. {
  49. sm_first = this;
  50. Register();
  51. }
  52. ~wxClassInfo();
  53. wxObject *CreateObject() const
  54. { return m_objectConstructor ? (*m_objectConstructor)() : 0; }
  55. bool IsDynamic() const { return (NULL != m_objectConstructor); }
  56. const wxChar *GetClassName() const { return m_className; }
  57. const wxChar *GetBaseClassName1() const
  58. { return m_baseInfo1 ? m_baseInfo1->GetClassName() : NULL; }
  59. const wxChar *GetBaseClassName2() const
  60. { return m_baseInfo2 ? m_baseInfo2->GetClassName() : NULL; }
  61. const wxClassInfo *GetBaseClass1() const { return m_baseInfo1; }
  62. const wxClassInfo *GetBaseClass2() const { return m_baseInfo2; }
  63. int GetSize() const { return m_objectSize; }
  64. wxObjectConstructorFn GetConstructor() const
  65. { return m_objectConstructor; }
  66. static const wxClassInfo *GetFirst() { return sm_first; }
  67. const wxClassInfo *GetNext() const { return m_next; }
  68. static wxClassInfo *FindClass(const wxString& className);
  69. // Climb upwards through inheritance hierarchy.
  70. // Dual inheritance is catered for.
  71. bool IsKindOf(const wxClassInfo *info) const
  72. {
  73. return info != 0 &&
  74. ( info == this ||
  75. ( m_baseInfo1 && m_baseInfo1->IsKindOf(info) ) ||
  76. ( m_baseInfo2 && m_baseInfo2->IsKindOf(info) ) );
  77. }
  78. wxDECLARE_CLASS_INFO_ITERATORS();
  79. private:
  80. const wxChar *m_className;
  81. int m_objectSize;
  82. wxObjectConstructorFn m_objectConstructor;
  83. // Pointers to base wxClassInfos
  84. const wxClassInfo *m_baseInfo1;
  85. const wxClassInfo *m_baseInfo2;
  86. // class info object live in a linked list:
  87. // pointers to its head and the next element in it
  88. static wxClassInfo *sm_first;
  89. wxClassInfo *m_next;
  90. static wxHashTable *sm_classTable;
  91. protected:
  92. // registers the class
  93. void Register();
  94. void Unregister();
  95. wxDECLARE_NO_COPY_CLASS(wxClassInfo);
  96. };
  97. WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxString& name);
  98. // ----------------------------------------------------------------------------
  99. // Dynamic class macros
  100. // ----------------------------------------------------------------------------
  101. #define wxDECLARE_ABSTRACT_CLASS(name) \
  102. public: \
  103. static wxClassInfo ms_classInfo; \
  104. virtual wxClassInfo *GetClassInfo() const
  105. #define wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN(name) \
  106. wxDECLARE_NO_ASSIGN_CLASS(name); \
  107. wxDECLARE_DYNAMIC_CLASS(name)
  108. #define wxDECLARE_DYNAMIC_CLASS_NO_COPY(name) \
  109. wxDECLARE_NO_COPY_CLASS(name); \
  110. wxDECLARE_DYNAMIC_CLASS(name)
  111. #define wxDECLARE_DYNAMIC_CLASS(name) \
  112. wxDECLARE_ABSTRACT_CLASS(name); \
  113. static wxObject* wxCreateObject()
  114. #define wxDECLARE_CLASS(name) \
  115. wxDECLARE_ABSTRACT_CLASS(name)
  116. // common part of the macros below
  117. #define wxIMPLEMENT_CLASS_COMMON(name, basename, baseclsinfo2, func) \
  118. wxClassInfo name::ms_classInfo(wxT(#name), \
  119. &basename::ms_classInfo, \
  120. baseclsinfo2, \
  121. (int) sizeof(name), \
  122. func); \
  123. \
  124. wxClassInfo *name::GetClassInfo() const \
  125. { return &name::ms_classInfo; }
  126. #define wxIMPLEMENT_CLASS_COMMON1(name, basename, func) \
  127. wxIMPLEMENT_CLASS_COMMON(name, basename, NULL, func)
  128. #define wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, func) \
  129. wxIMPLEMENT_CLASS_COMMON(name, basename1, &basename2::ms_classInfo, func)
  130. // -----------------------------------
  131. // for concrete classes
  132. // -----------------------------------
  133. // Single inheritance with one base class
  134. #define wxIMPLEMENT_DYNAMIC_CLASS(name, basename) \
  135. wxIMPLEMENT_CLASS_COMMON1(name, basename, name::wxCreateObject) \
  136. wxObject* name::wxCreateObject() \
  137. { return new name; }
  138. // Multiple inheritance with two base classes
  139. #define wxIMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) \
  140. wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, \
  141. name::wxCreateObject) \
  142. wxObject* name::wxCreateObject() \
  143. { return new name; }
  144. // -----------------------------------
  145. // for abstract classes
  146. // -----------------------------------
  147. // Single inheritance with one base class
  148. #define wxIMPLEMENT_ABSTRACT_CLASS(name, basename) \
  149. wxIMPLEMENT_CLASS_COMMON1(name, basename, NULL)
  150. // Multiple inheritance with two base classes
  151. #define wxIMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) \
  152. wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, NULL)
  153. // -----------------------------------
  154. // XTI-compatible macros
  155. // -----------------------------------
  156. #include "wx/flags.h"
  157. // these macros only do something when wxUSE_EXTENDED_RTTI=1
  158. // (and in that case they are defined by xti.h); however to avoid
  159. // to be forced to wrap these macros (in user's source files) with
  160. //
  161. // #if wxUSE_EXTENDED_RTTI
  162. // ...
  163. // #endif
  164. //
  165. // blocks, we define them here as empty.
  166. #define wxEMPTY_PARAMETER_VALUE /**/
  167. #define wxBEGIN_ENUM( e ) wxEMPTY_PARAMETER_VALUE
  168. #define wxENUM_MEMBER( v ) wxEMPTY_PARAMETER_VALUE
  169. #define wxEND_ENUM( e ) wxEMPTY_PARAMETER_VALUE
  170. #define wxIMPLEMENT_SET_STREAMING(SetName,e) wxEMPTY_PARAMETER_VALUE
  171. #define wxBEGIN_FLAGS( e ) wxEMPTY_PARAMETER_VALUE
  172. #define wxFLAGS_MEMBER( v ) wxEMPTY_PARAMETER_VALUE
  173. #define wxEND_FLAGS( e ) wxEMPTY_PARAMETER_VALUE
  174. #define wxCOLLECTION_TYPE_INFO( element, collection ) wxEMPTY_PARAMETER_VALUE
  175. #define wxHANDLER(name,eventClassType) wxEMPTY_PARAMETER_VALUE
  176. #define wxBEGIN_HANDLERS_TABLE(theClass) wxEMPTY_PARAMETER_VALUE
  177. #define wxEND_HANDLERS_TABLE() wxEMPTY_PARAMETER_VALUE
  178. #define wxIMPLEMENT_DYNAMIC_CLASS_XTI( name, basename, unit ) \
  179. wxIMPLEMENT_DYNAMIC_CLASS( name, basename )
  180. #define wxIMPLEMENT_DYNAMIC_CLASS_XTI_CALLBACK( name, basename, unit, callback ) \
  181. wxIMPLEMENT_DYNAMIC_CLASS( name, basename )
  182. #define wxIMPLEMENT_DYNAMIC_CLASS_WITH_COPY_XTI( name, basename, unit ) \
  183. wxIMPLEMENT_DYNAMIC_CLASS( name, basename)
  184. #define wxIMPLEMENT_DYNAMIC_CLASS_WITH_COPY_AND_STREAMERS_XTI( name, basename, \
  185. unit, toString, \
  186. fromString ) wxEMPTY_PARAMETER_VALUE
  187. #define wxIMPLEMENT_DYNAMIC_CLASS_NO_WXOBJECT_NO_BASE_XTI( name, unit ) wxEMPTY_PARAMETER_VALUE
  188. #define wxIMPLEMENT_DYNAMIC_CLASS_NO_WXOBJECT_XTI( name, basename, unit ) wxEMPTY_PARAMETER_VALUE
  189. #define wxIMPLEMENT_DYNAMIC_CLASS2_XTI( name, basename, basename2, unit) wxIMPLEMENT_DYNAMIC_CLASS2( name, basename, basename2 )
  190. #define wxCONSTRUCTOR_0(klass) \
  191. wxEMPTY_PARAMETER_VALUE
  192. #define wxCONSTRUCTOR_DUMMY(klass) \
  193. wxEMPTY_PARAMETER_VALUE
  194. #define wxDIRECT_CONSTRUCTOR_0(klass) \
  195. wxEMPTY_PARAMETER_VALUE
  196. #define wxCONSTRUCTOR_1(klass,t0,v0) \
  197. wxEMPTY_PARAMETER_VALUE
  198. #define wxDIRECT_CONSTRUCTOR_1(klass,t0,v0) \
  199. wxEMPTY_PARAMETER_VALUE
  200. #define wxCONSTRUCTOR_2(klass,t0,v0,t1,v1) \
  201. wxEMPTY_PARAMETER_VALUE
  202. #define wxDIRECT_CONSTRUCTOR_2(klass,t0,v0,t1,v1) \
  203. wxEMPTY_PARAMETER_VALUE
  204. #define wxCONSTRUCTOR_3(klass,t0,v0,t1,v1,t2,v2) \
  205. wxEMPTY_PARAMETER_VALUE
  206. #define wxDIRECT_CONSTRUCTOR_3(klass,t0,v0,t1,v1,t2,v2) \
  207. wxEMPTY_PARAMETER_VALUE
  208. #define wxCONSTRUCTOR_4(klass,t0,v0,t1,v1,t2,v2,t3,v3) \
  209. wxEMPTY_PARAMETER_VALUE
  210. #define wxDIRECT_CONSTRUCTOR_4(klass,t0,v0,t1,v1,t2,v2,t3,v3) \
  211. wxEMPTY_PARAMETER_VALUE
  212. #define wxCONSTRUCTOR_5(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4) \
  213. wxEMPTY_PARAMETER_VALUE
  214. #define wxDIRECT_CONSTRUCTOR_5(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4) \
  215. wxEMPTY_PARAMETER_VALUE
  216. #define wxCONSTRUCTOR_6(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4,t5,v5) \
  217. wxEMPTY_PARAMETER_VALUE
  218. #define wxDIRECT_CONSTRUCTOR_6(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4,t5,v5) \
  219. wxEMPTY_PARAMETER_VALUE
  220. #define wxCONSTRUCTOR_7(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6) \
  221. wxEMPTY_PARAMETER_VALUE
  222. #define wxDIRECT_CONSTRUCTOR_7(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6) \
  223. wxEMPTY_PARAMETER_VALUE
  224. #define wxCONSTRUCTOR_8(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7) \
  225. wxEMPTY_PARAMETER_VALUE
  226. #define wxDIRECT_CONSTRUCTOR_8(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7) \
  227. wxEMPTY_PARAMETER_VALUE
  228. #define wxSETTER( property, Klass, valueType, setterMethod ) wxEMPTY_PARAMETER_VALUE
  229. #define wxGETTER( property, Klass, valueType, gettermethod ) wxEMPTY_PARAMETER_VALUE
  230. #define wxADDER( property, Klass, valueType, addermethod ) wxEMPTY_PARAMETER_VALUE
  231. #define wxCOLLECTION_GETTER( property, Klass, valueType, gettermethod ) wxEMPTY_PARAMETER_VALUE
  232. #define wxBEGIN_PROPERTIES_TABLE(theClass) wxEMPTY_PARAMETER_VALUE
  233. #define wxEND_PROPERTIES_TABLE() wxEMPTY_PARAMETER_VALUE
  234. #define wxHIDE_PROPERTY( pname ) wxEMPTY_PARAMETER_VALUE
  235. #define wxPROPERTY( pname, type, setter, getter, defaultValue, flags, help, group) \
  236. wxEMPTY_PARAMETER_VALUE
  237. #define wxPROPERTY_FLAGS( pname, flags, type, setter, getter,defaultValue, \
  238. pflags, help, group) wxEMPTY_PARAMETER_VALUE
  239. #define wxREADONLY_PROPERTY( pname, type, getter,defaultValue, flags, help, group) \
  240. wxGETTER( pname, class_t, type, getter ) wxEMPTY_PARAMETER_VALUE
  241. #define wxREADONLY_PROPERTY_FLAGS( pname, flags, type, getter,defaultValue, \
  242. pflags, help, group) wxEMPTY_PARAMETER_VALUE
  243. #define wxPROPERTY_COLLECTION( pname, colltype, addelemtype, adder, getter, \
  244. flags, help, group ) wxEMPTY_PARAMETER_VALUE
  245. #define wxREADONLY_PROPERTY_COLLECTION( pname, colltype, addelemtype, getter, \
  246. flags, help, group) wxEMPTY_PARAMETER_VALUE
  247. #define wxEVENT_PROPERTY( name, eventType, eventClass ) wxEMPTY_PARAMETER_VALUE
  248. #define wxEVENT_RANGE_PROPERTY( name, eventType, lastEventType, eventClass ) wxEMPTY_PARAMETER_VALUE
  249. #define wxIMPLEMENT_PROPERTY(name, type) wxEMPTY_PARAMETER_VALUE
  250. #define wxEMPTY_HANDLERS_TABLE(name) wxEMPTY_PARAMETER_VALUE
  251. #endif // !wxUSE_EXTENDED_RTTI
  252. #endif // _WX_RTTIH__