reactos/subsys/win32k/include/object.h

   1 #ifndef _WIN32K_OBJECT_H
   2 #define _WIN32K_OBJECT_H
   3
   4 #include <win32k/gdiobj.h>
   5 #include <win32k/bitmaps.h>
   6 #include <win32k/pen.h>
   7
   8 #define FIRST_USER_HANDLE 0x0020  /* first possible value for low word of user handle */
   9 #define LAST_USER_HANDLE  0xffef  /* last possible value for low word of user handle */
  10
  11
  12 #define USER_HEADER_TO_BODY(ObjectHeader) \
  13   ((PVOID)(((PUSER_OBJECT_HEADER)ObjectHeader) + 1))
  14
  15 #define USER_BODY_TO_HEADER(ObjectBody) \
  16   ((PUSER_OBJECT_HEADER)(((PUSER_OBJECT_HEADER)ObjectBody) - 1))
  17
  18
  19
  20 typedef struct _USER_HANDLE_ENTRY
  21 {
  22     void          *ptr;          /* pointer to object */
  23     unsigned short type;         /* object type (0 if free) */
  24     unsigned short generation;   /* generation counter */
  25 } USER_HANDLE_ENTRY, * PUSER_HANDLE_ENTRY;
  26
  27
  28
  29 typedef struct _USER_HANDLE_TABLE
  30 {
  31    PUSER_HANDLE_ENTRY handles;
  32    PUSER_HANDLE_ENTRY freelist;
  33    int nb_handles;
  34    int allocated_handles;
  35 } USER_HANDLE_TABLE, * PUSER_HANDLE_TABLE;
  36
  37
  38
  39 typedef enum _USER_OBJECT_TYPE
  40 {
  41   otFree = 0,
  42   otWindow,
  43   otMenu,
  44   otAccel,
  45   otCursorIcon,
  46   otHook,
  47   otMonitor,
  48   otClass //fixme: remove
  49
  50 } USER_OBJECT_TYPE;
  51
  52
  53 typedef struct _USER_OBJECT_HEADER
  54 /*
  55  * Header for user object
  56  */
  57 {
  58 //  USER_OBJECT_TYPE Type;
  59   LONG RefCount;
  60   BOOL destroyed;
  61   HANDLE hSelf;
  62 //  CSHORT Size;
  63 } USER_OBJECT_HEADER, *PUSER_OBJECT_HEADER;
  64
  65
  66 typedef struct _USER_REFERENCE_ENTRY
  67 {
  68    SINGLE_LIST_ENTRY Entry;
  69    PVOID obj;
  70 } USER_REFERENCE_ENTRY, *PUSER_REFERENCE_ENTRY;
  71
  72
  73
  74 #include <malloc.h>
  75
  76 #define ASSERT_LAST_REF(_obj_) \
  77 { \
  78    PW32THREAD t; \
  79    PSINGLE_LIST_ENTRY e; \
  80    PUSER_REFERENCE_ENTRY ref; \
  81    \
  82    ASSERT(_obj_); \
  83    t = PsGetWin32Thread(); \
  84    ASSERT(t); \
  85    e = t->ReferencesList.Next; \
  86    ASSERT(e); \
  87    ref = CONTAINING_RECORD(e, USER_REFERENCE_ENTRY, Entry); \
  88    ASSERT(ref); \
  89    \
  90    ASSERT(_obj_ == ref->obj); \
  91    \
  92 }
  93 #define UserRefObjectCo(_obj_, _ref_) \
  94 { \
  95    PW32THREAD t; \
  96    \
  97    ASSERT(_obj_); \
  98    t = PsGetWin32Thread(); \
  99    ASSERT(t); \
 100    ASSERT(_ref_); \
 101    (_ref_)->obj = _obj_; \
 102    ObmReferenceObject(_obj_); \
 103  \
 104    PushEntryList(&t->ReferencesList, &(_ref_)->Entry); \
 105    \
 106 }
 107
 108
 109 #define UserDerefObjectCo(_obj_) \
 110 { \
 111    PW32THREAD t; \
 112    PSINGLE_LIST_ENTRY e; \
 113    PUSER_REFERENCE_ENTRY ref; \
 114    \
 115    ASSERT(_obj_); \
 116    t = PsGetWin32Thread(); \
 117    ASSERT(t); \
 118    e = PopEntryList(&t->ReferencesList); \
 119    ASSERT(e); \
 120    ref = CONTAINING_RECORD(e, USER_REFERENCE_ENTRY, Entry); \
 121    ASSERT(ref); \
 122    \
 123    ASSERT(_obj_ == ref->obj); \
 124    ObmDereferenceObject(_obj_); \
 125    \
 126 }
 127
 128 VOID  INTERNAL_CALL InitGdiObjectHandleTable (VOID);
 129
 130 VOID  FASTCALL CreateStockObjects (VOID);
 131 VOID  FASTCALL CreateSysColorObjects (VOID);
 132
 133 PPOINT FASTCALL GDI_Bezier (const POINT *Points, INT count, PINT nPtsOut);
 134
 135 #endif /* _WIN32K_OBJECT_H */
 136
 137 /* EOF */