2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS kernel
4 * PURPOSE: ntuser init. and main funcs.
5 * FILE: subsystems/win32/win32k/ntuser/ntuser.c
9 DBG_DEFAULT_CHANNEL(UserMisc
);
11 /* GLOBALS *******************************************************************/
13 PTHREADINFO gptiCurrent
= NULL
;
15 ATOM AtomMessage
; // Window Message atom.
16 ATOM AtomWndObj
; // Window Object atom.
17 ATOM AtomLayer
; // Window Layer atom.
18 ATOM AtomFlashWndState
; // Window Flash State atom.
20 HINSTANCE hModClient
= NULL
;
21 BOOL ClientPfnInit
= FALSE
;
23 /* PRIVATE FUNCTIONS *********************************************************/
30 gpsi
->atomSysClass
[ICLS_MENU
] = 32768;
31 gpsi
->atomSysClass
[ICLS_DESKTOP
] = 32769;
32 gpsi
->atomSysClass
[ICLS_DIALOG
] = 32770;
33 gpsi
->atomSysClass
[ICLS_SWITCH
] = 32771;
34 gpsi
->atomSysClass
[ICLS_ICONTITLE
] = 32772;
35 gpsi
->atomSysClass
[ICLS_TOOLTIPS
] = 32774;
37 /* System Message Atom */
38 AtomMessage
= IntAddGlobalAtom(L
"Message", TRUE
);
39 gpsi
->atomSysClass
[ICLS_HWNDMESSAGE
] = AtomMessage
;
41 /* System Context Help Id Atom */
42 gpsi
->atomContextHelpIdProp
= IntAddGlobalAtom(L
"SysCH", TRUE
);
44 gpsi
->atomIconSmProp
= IntAddGlobalAtom(L
"SysICS", TRUE
);
45 gpsi
->atomIconProp
= IntAddGlobalAtom(L
"SysIC", TRUE
);
47 gpsi
->atomFrostedWindowProp
= IntAddGlobalAtom(L
"SysFrostedWindow", TRUE
);
49 AtomWndObj
= IntAddGlobalAtom(L
"SysWNDO", TRUE
);
50 AtomLayer
= IntAddGlobalAtom(L
"SysLayer", TRUE
);
51 AtomFlashWndState
= IntAddGlobalAtom(L
"FlashWState", TRUE
);
53 return STATUS_SUCCESS
;
56 /* FUNCTIONS *****************************************************************/
65 ExInitializeResourceLite(&UserLock
);
67 if (!UserCreateHandleTable())
69 ERR("Failed creating handle table\n");
70 return STATUS_INSUFFICIENT_RESOURCES
;
73 Status
= InitSessionImpl();
74 if (!NT_SUCCESS(Status
))
76 ERR("Error init session impl.\n");
84 return STATUS_SUCCESS
;
94 HANDLE hPowerRequestEvent
,
95 HANDLE hMediaRequestEvent
)
97 static const DWORD wPattern55AA
[] = /* 32 bit aligned */
98 { 0x55555555, 0xaaaaaaaa, 0x55555555, 0xaaaaaaaa,
99 0x55555555, 0xaaaaaaaa, 0x55555555, 0xaaaaaaaa };
100 HBITMAP hPattern55AABitmap
= NULL
;
103 // Set W32PF_Flags |= (W32PF_READSCREENACCESSGRANTED | W32PF_IOWINSTA)
104 // Create Event for Diconnect Desktop.
106 Status
= UserCreateWinstaDirectoy();
107 if (!NT_SUCCESS(Status
)) return Status
;
109 /* Initialize Video. */
110 Status
= InitVideo();
111 if (!NT_SUCCESS(Status
)) return Status
;
115 // DrvChangeDisplaySettings.
116 // Update Shared Device Caps.
117 // Initialize User Screen.
119 // Create ThreadInfo for this Thread!
124 // Callback to User32 Client Thread Setup
126 co_IntClientThreadSetup();
129 // Set Global SERVERINFO Error flags.
132 NtUserUpdatePerUserSystemParameters(0, TRUE
);
136 if (gpsi
->hbrGray
== NULL
)
138 hPattern55AABitmap
= GreCreateBitmap(8, 8, 1, 1, (LPBYTE
)wPattern55AA
);
139 gpsi
->hbrGray
= IntGdiCreatePatternBrush(hPattern55AABitmap
);
140 GreDeleteObject(hPattern55AABitmap
);
141 GreSetBrushOwner(gpsi
->hbrGray
, GDI_OBJ_HMGR_PUBLIC
);
144 return STATUS_SUCCESS
;
148 Called from win32csr.
154 HANDLE hPowerRequestEvent
,
155 HANDLE hMediaRequestEvent
)
159 ERR("Enter NtUserInitialize(%lx, %p, %p)\n",
160 dwWinVersion
, hPowerRequestEvent
, hMediaRequestEvent
);
162 /* Check the Windows version */
163 if (dwWinVersion
!= 0)
165 return STATUS_UNSUCCESSFUL
;
168 /* Acquire exclusive lock */
169 UserEnterExclusive();
171 /* Check if we are already initialized */
175 return STATUS_UNSUCCESSFUL
;
178 // Initialize Power Request List.
179 // Initialize Media Change.
180 // InitializeGreCSRSS();
182 // Startup DxGraphics.
183 // calls ** UserGetLanguageID() and sets it **.
184 // Enables Fonts drivers, Initialize Font table & Stock Fonts.
187 /* Initialize USER */
188 Status
= UserInitialize(hPowerRequestEvent
, hMediaRequestEvent
);
190 /* Set us as initialized */
191 gbInitialized
= TRUE
;
201 True if current thread owns the lock (possibly shared)
203 BOOL FASTCALL
UserIsEntered(VOID
)
205 return ExIsResourceAcquiredExclusiveLite(&UserLock
)
206 || ExIsResourceAcquiredSharedLite(&UserLock
);
209 BOOL FASTCALL
UserIsEnteredExclusive(VOID
)
211 return ExIsResourceAcquiredExclusiveLite(&UserLock
);
214 VOID FASTCALL
CleanupUserImpl(VOID
)
216 ExDeleteResourceLite(&UserLock
);
219 VOID FASTCALL
UserEnterShared(VOID
)
221 KeEnterCriticalRegion();
222 ExAcquireResourceSharedLite(&UserLock
, TRUE
);
225 VOID FASTCALL
UserEnterExclusive(VOID
)
228 KeEnterCriticalRegion();
229 ExAcquireResourceExclusiveLite(&UserLock
, TRUE
);
230 gptiCurrent
= PsGetCurrentThreadWin32Thread();
233 VOID FASTCALL
UserLeave(VOID
)
236 ExReleaseResourceLite(&UserLock
);
237 KeLeaveCriticalRegion();