mirror of
https://github.com/reactos/reactos.git
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267 lines
6.6 KiB
C
267 lines
6.6 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* PURPOSE: ntuser init. and main funcs.
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* FILE: win32ss/user/ntuser/ntuser.c
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*/
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#include <win32k.h>
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DBG_DEFAULT_CHANNEL(UserMisc);
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BOOL FASTCALL RegisterControlAtoms(VOID);
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/* GLOBALS ********************************************************************/
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PTHREADINFO gptiCurrent = NULL;
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PPROCESSINFO gppiInputProvider = NULL;
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BOOL g_AlwaysDisplayVersion = FALSE;
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ERESOURCE UserLock;
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ATOM AtomMessage; // Window Message atom.
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ATOM AtomWndObj; // Window Object atom.
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ATOM AtomLayer; // Window Layer atom.
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ATOM AtomFlashWndState; // Window Flash State atom.
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ATOM AtomDDETrack; // Window DDE Tracking atom.
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ATOM AtomQOS; // Window DDE Quality of Service atom.
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HINSTANCE hModClient = NULL;
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BOOL ClientPfnInit = FALSE;
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ATOM gaGuiConsoleWndClass;
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ATOM AtomImeLevel;
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/* PRIVATE FUNCTIONS **********************************************************/
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static
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NTSTATUS FASTCALL
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InitUserAtoms(VOID)
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{
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RegisterControlAtoms();
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gpsi->atomSysClass[ICLS_MENU] = 32768;
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gpsi->atomSysClass[ICLS_DESKTOP] = 32769;
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gpsi->atomSysClass[ICLS_DIALOG] = 32770;
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gpsi->atomSysClass[ICLS_SWITCH] = 32771;
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gpsi->atomSysClass[ICLS_ICONTITLE] = 32772;
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gpsi->atomSysClass[ICLS_TOOLTIPS] = 32774;
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/* System Message Atom */
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AtomMessage = IntAddGlobalAtom(L"Message", TRUE);
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gpsi->atomSysClass[ICLS_HWNDMESSAGE] = AtomMessage;
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/* System Context Help Id Atom */
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gpsi->atomContextHelpIdProp = IntAddGlobalAtom(L"SysCH", TRUE);
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gpsi->atomIconSmProp = IntAddGlobalAtom(L"SysICS", TRUE);
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gpsi->atomIconProp = IntAddGlobalAtom(L"SysIC", TRUE);
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gpsi->atomFrostedWindowProp = IntAddGlobalAtom(L"SysFrostedWindow", TRUE);
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AtomDDETrack = IntAddGlobalAtom(L"SysDT", TRUE);
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AtomQOS = IntAddGlobalAtom(L"SysQOS", TRUE);
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AtomImeLevel = IntAddGlobalAtom(L"SysIMEL", TRUE);
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/*
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* FIXME: AddPropW uses the global kernel atom table, thus leading to conflicts if we use
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* the win32k atom table for this one. What is the right thing to do ?
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*/
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// AtomWndObj = IntAddGlobalAtom(L"SysWNDO", TRUE);
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NtAddAtom(L"SysWNDO", 14, &AtomWndObj);
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AtomLayer = IntAddGlobalAtom(L"SysLayer", TRUE);
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AtomFlashWndState = IntAddGlobalAtom(L"FlashWState", TRUE);
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return STATUS_SUCCESS;
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}
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/* FUNCTIONS ******************************************************************/
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CODE_SEG("INIT")
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NTSTATUS
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NTAPI
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InitUserImpl(VOID)
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{
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NTSTATUS Status;
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HKEY hKey;
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if (!UserCreateHandleTable())
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{
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ERR("Failed creating handle table\n");
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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Status = InitSessionImpl();
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if (!NT_SUCCESS(Status))
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{
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ERR("Error init session impl.\n");
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return Status;
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}
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InitUserAtoms();
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Status = RegOpenKey(L"\\Registry\\Machine\\Software\\Microsoft\\Windows NT\\CurrentVersion\\Windows",
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&hKey);
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if (NT_SUCCESS(Status))
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{
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DWORD dwValue = 0;
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RegReadDWORD(hKey, L"DisplayVersion", &dwValue);
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g_AlwaysDisplayVersion = !!dwValue;
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ZwClose(hKey);
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}
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InitSysParams();
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NTAPI
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InitVideo(VOID);
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NTSTATUS
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NTAPI
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UserInitialize(VOID)
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{
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static const DWORD wPattern55AA[] = /* 32 bit aligned */
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{ 0x55555555, 0xaaaaaaaa, 0x55555555, 0xaaaaaaaa,
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0x55555555, 0xaaaaaaaa, 0x55555555, 0xaaaaaaaa };
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HBITMAP hPattern55AABitmap = NULL;
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NTSTATUS Status;
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NT_ASSERT(PsGetCurrentThreadWin32Thread() != NULL);
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// Create Event for Disconnect Desktop.
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Status = UserCreateWinstaDirectory();
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if (!NT_SUCCESS(Status)) return Status;
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/* Initialize the Video */
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Status = InitVideo();
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if (!NT_SUCCESS(Status))
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{
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/* We failed, bugcheck */
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KeBugCheckEx(VIDEO_DRIVER_INIT_FAILURE, Status, 0, 0, USER_VERSION);
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}
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// {
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// DrvInitConsole.
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// DrvChangeDisplaySettings.
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// Update Shared Device Caps.
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// Initialize User Screen.
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// }
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// Set Global SERVERINFO Error flags.
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// Load Resources.
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NtUserUpdatePerUserSystemParameters(0, TRUE);
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if (gpsi->hbrGray == NULL)
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{
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hPattern55AABitmap = GreCreateBitmap(8, 8, 1, 1, (LPBYTE)wPattern55AA);
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if (hPattern55AABitmap == NULL)
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return STATUS_INSUFFICIENT_RESOURCES;
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gpsi->hbrGray = IntGdiCreatePatternBrush(hPattern55AABitmap);
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if (gpsi->hbrGray == NULL)
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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return STATUS_SUCCESS;
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}
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/*
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* Called from usersrv.
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*/
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NTSTATUS
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APIENTRY
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NtUserInitialize(
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DWORD dwWinVersion,
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HANDLE hPowerRequestEvent,
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HANDLE hMediaRequestEvent)
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{
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NTSTATUS Status;
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TRACE("Enter NtUserInitialize(%lx, %p, %p)\n",
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dwWinVersion, hPowerRequestEvent, hMediaRequestEvent);
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/* Check if we are already initialized */
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if (gpepCSRSS)
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return STATUS_UNSUCCESSFUL;
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/* Check Windows USER subsystem version */
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if (dwWinVersion != USER_VERSION)
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{
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/* No match, bugcheck */
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KeBugCheckEx(WIN32K_INIT_OR_RIT_FAILURE, 0, 0, dwWinVersion, USER_VERSION);
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}
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/* Acquire exclusive lock */
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UserEnterExclusive();
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/* Save the EPROCESS of CSRSS */
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InitCsrProcess(/*PsGetCurrentProcess()*/);
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// Initialize Power Request List (use hPowerRequestEvent).
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// Initialize Media Change (use hMediaRequestEvent).
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// InitializeGreCSRSS();
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// {
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// Startup DxGraphics.
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// calls ** UserGetLanguageID() and sets it **.
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// Enables Fonts drivers, Initialize Font table & Stock Fonts.
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// }
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/* Initialize USER */
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Status = UserInitialize();
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/* Return */
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UserLeave();
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return Status;
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}
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/*
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RETURN
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True if current thread owns the lock (possibly shared)
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*/
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BOOL FASTCALL UserIsEntered(VOID)
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{
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return ExIsResourceAcquiredExclusiveLite(&UserLock) ||
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ExIsResourceAcquiredSharedLite(&UserLock);
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}
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BOOL FASTCALL UserIsEnteredExclusive(VOID)
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{
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return ExIsResourceAcquiredExclusiveLite(&UserLock);
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}
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VOID FASTCALL CleanupUserImpl(VOID)
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{
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ExDeleteResourceLite(&UserLock);
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}
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// Win: EnterSharedCrit
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VOID FASTCALL UserEnterShared(VOID)
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{
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KeEnterCriticalRegion();
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ExAcquireResourceSharedLite(&UserLock, TRUE);
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}
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// Win: EnterCrit
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VOID FASTCALL UserEnterExclusive(VOID)
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{
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ASSERT_NOGDILOCKS();
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KeEnterCriticalRegion();
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ExAcquireResourceExclusiveLite(&UserLock, TRUE);
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gptiCurrent = PsGetCurrentThreadWin32Thread();
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}
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// Win: LeaveCrit
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VOID FASTCALL UserLeave(VOID)
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{
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ASSERT_NOGDILOCKS();
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ASSERT(UserIsEntered());
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ExReleaseResourceLite(&UserLock);
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KeLeaveCriticalRegion();
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}
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/* EOF */
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