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148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
#pragma once
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#include "gdiobj.h"
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#include "bitmaps.h"
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#include "pen.h"
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#define FIRST_USER_HANDLE 0x0020 /* first possible value for low word of user handle */
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#define LAST_USER_HANDLE 0xffef /* last possible value for low word of user handle */
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#define HANDLEENTRY_INDESTROY 1
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typedef struct _USER_HANDLE_ENTRY
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{
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void *ptr; /* pointer to object */
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union
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{
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PVOID pi;
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PTHREADINFO pti; // pointer to Win32ThreadInfo
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PPROCESSINFO ppi; // pointer to W32ProcessInfo
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};
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unsigned char type; /* object type (0 if free) */
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unsigned char flags;
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unsigned short generation; /* generation counter */
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} USER_HANDLE_ENTRY, * PUSER_HANDLE_ENTRY;
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typedef struct _USER_HANDLE_TABLE
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{
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PUSER_HANDLE_ENTRY handles;
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PUSER_HANDLE_ENTRY freelist;
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int nb_handles;
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int allocated_handles;
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} USER_HANDLE_TABLE, * PUSER_HANDLE_TABLE;
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typedef enum _USER_OBJECT_TYPE
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{
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otFree = 0,
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otWindow,
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otMenu,
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otCursorIcon,
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otSMWP,
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otHook,
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otClipBoardData,
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otCallProc,
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otAccel,
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otDDEaccess,
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otDDEconv,
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otDDExact,
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otMonitor,
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otKBDlayout,
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otKBDfile,
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otEvent,
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otTimer,
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otInputContext,
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otHidData,
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otDeviceInfo,
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otTouchInput,
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otGestureInfo
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} USER_OBJECT_TYPE;
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typedef struct _USER_REFERENCE_ENTRY
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{
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SINGLE_LIST_ENTRY Entry;
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PVOID obj;
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} USER_REFERENCE_ENTRY, *PUSER_REFERENCE_ENTRY;
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#include <malloc.h>
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#define USER_ASSERT(exp,file,line) \
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if (!(exp)) {RtlAssert(#exp,(PVOID)file,line,"");}
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static __inline VOID
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UserAssertLastRef(PVOID obj, const char *file, int line)
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{
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PTHREADINFO W32Thread;
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PSINGLE_LIST_ENTRY ReferenceEntry;
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PUSER_REFERENCE_ENTRY UserReferenceEntry;
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USER_ASSERT(obj != NULL, file, line);
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W32Thread = PsGetCurrentThreadWin32Thread();
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USER_ASSERT(W32Thread != NULL, file, line);
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ReferenceEntry = W32Thread->ReferencesList.Next;
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USER_ASSERT(ReferenceEntry != NULL, file, line);
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UserReferenceEntry = CONTAINING_RECORD(ReferenceEntry, USER_REFERENCE_ENTRY, Entry);
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USER_ASSERT(UserReferenceEntry != NULL, file, line);
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USER_ASSERT(obj == UserReferenceEntry->obj, file, line);
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}
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#define ASSERT_LAST_REF(_obj_) UserAssertLastRef(_obj,__FILE__,__LINE__)
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#undef USER_ASSERT
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extern PUSER_HANDLE_TABLE gHandleTable;
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VOID FASTCALL UserReferenceObject(PVOID obj);
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PVOID FASTCALL UserReferenceObjectByHandle(HANDLE handle, USER_OBJECT_TYPE type);
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BOOL FASTCALL UserDereferenceObject(PVOID obj);
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PVOID FASTCALL UserCreateObject(PUSER_HANDLE_TABLE ht, struct _DESKTOP* pDesktop, HANDLE* h,USER_OBJECT_TYPE type , ULONG size);
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BOOL FASTCALL UserDeleteObject(HANDLE h, USER_OBJECT_TYPE type );
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PVOID UserGetObject(PUSER_HANDLE_TABLE ht, HANDLE handle, USER_OBJECT_TYPE type );
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HANDLE UserAllocHandle(PUSER_HANDLE_TABLE ht, PVOID object, USER_OBJECT_TYPE type );
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BOOL FASTCALL UserFreeHandle(PUSER_HANDLE_TABLE ht, HANDLE handle );
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PVOID UserGetNextHandle(PUSER_HANDLE_TABLE ht, HANDLE* handle, USER_OBJECT_TYPE type );
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PUSER_HANDLE_ENTRY handle_to_entry(PUSER_HANDLE_TABLE ht, HANDLE handle );
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BOOL FASTCALL UserCreateHandleTable(VOID);
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VOID UserInitHandleTable(PUSER_HANDLE_TABLE ht, PVOID mem, ULONG bytes);
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static __inline VOID
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UserRefObjectCo(PVOID obj, PUSER_REFERENCE_ENTRY UserReferenceEntry)
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{
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PTHREADINFO W32Thread;
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W32Thread = PsGetCurrentThreadWin32Thread();
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ASSERT(W32Thread != NULL);
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ASSERT(UserReferenceEntry != NULL);
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UserReferenceEntry->obj = obj;
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UserReferenceObject(obj);
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PushEntryList(&W32Thread->ReferencesList, &UserReferenceEntry->Entry);
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}
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static __inline VOID
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UserDerefObjectCo(PVOID obj)
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{
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PTHREADINFO W32Thread;
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PSINGLE_LIST_ENTRY ReferenceEntry;
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PUSER_REFERENCE_ENTRY UserReferenceEntry;
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ASSERT(obj != NULL);
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W32Thread = PsGetCurrentThreadWin32Thread();
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ASSERT(W32Thread != NULL);
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ReferenceEntry = PopEntryList(&W32Thread->ReferencesList);
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ASSERT(ReferenceEntry != NULL);
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UserReferenceEntry = CONTAINING_RECORD(ReferenceEntry, USER_REFERENCE_ENTRY, Entry);
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ASSERT(UserReferenceEntry != NULL);
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ASSERT(obj == UserReferenceEntry->obj);
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UserDereferenceObject(obj);
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}
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VOID FASTCALL CreateStockObjects (VOID);
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VOID FASTCALL CreateSysColorObjects (VOID);
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PPOINT FASTCALL GDI_Bezier (const POINT *Points, INT count, PINT nPtsOut);
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/* EOF */
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