2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS Win32k subsystem
4 * PURPOSE: Cursor and icon functions
5 * FILE: subsystems/win32/win32k/ntuser/cursoricon.c
6 * PROGRAMER: ReactOS Team
9 * We handle two types of cursors/icons:
11 * Loaded without LR_SHARED flag
12 * Private to a process
13 * Can be deleted by calling NtDestroyCursorIcon()
14 * CurIcon->hModule, CurIcon->hRsrc and CurIcon->hGroupRsrc set to NULL
16 * Loaded with LR_SHARED flag
17 * Possibly shared by multiple processes
18 * Immune to NtDestroyCursorIcon()
19 * CurIcon->hModule, CurIcon->hRsrc and CurIcon->hGroupRsrc are valid
20 * There's a M:N relationship between processes and (shared) cursor/icons.
21 * A process can have multiple cursor/icons and a cursor/icon can be used
22 * by multiple processes. To keep track of this we keep a list of all
23 * cursor/icons (CurIconList) and per cursor/icon we keep a list of
24 * CURICON_PROCESS structs starting at CurIcon->ProcessList.
28 DBG_DEFAULT_CHANNEL(UserIcon
);
30 static PPAGED_LOOKASIDE_LIST pgProcessLookasideList
;
31 static LIST_ENTRY gCurIconList
;
33 SYSTEM_CURSORINFO gSysCursorInfo
;
38 pgProcessLookasideList
= ExAllocatePool(NonPagedPool
, sizeof(PAGED_LOOKASIDE_LIST
));
39 if(!pgProcessLookasideList
)
42 ExInitializePagedLookasideList(pgProcessLookasideList
,
46 sizeof(CURICON_PROCESS
),
49 InitializeListHead(&gCurIconList
);
51 gSysCursorInfo
.Enabled
= FALSE
;
52 gSysCursorInfo
.ButtonsDown
= 0;
53 gSysCursorInfo
.bClipped
= FALSE
;
54 gSysCursorInfo
.LastBtnDown
= 0;
55 gSysCursorInfo
.CurrentCursorObject
= NULL
;
56 gSysCursorInfo
.ShowingCursor
= -1;
57 gSysCursorInfo
.ClickLockActive
= FALSE
;
58 gSysCursorInfo
.ClickLockTime
= 0;
66 return &gSysCursorInfo
;
69 /* This function creates a reference for the object! */
70 PCURICON_OBJECT FASTCALL
UserGetCurIconObject(HCURSOR hCurIcon
)
72 PCURICON_OBJECT CurIcon
;
76 EngSetLastError(ERROR_INVALID_CURSOR_HANDLE
);
80 CurIcon
= (PCURICON_OBJECT
)UserReferenceObjectByHandle(hCurIcon
, TYPE_CURSOR
);
83 /* We never set ERROR_INVALID_ICON_HANDLE. lets hope noone ever checks for it */
84 EngSetLastError(ERROR_INVALID_CURSOR_HANDLE
);
88 ASSERT(CurIcon
->head
.cLockObj
>= 1);
92 BOOL
UserSetCursorPos( INT x
, INT y
, DWORD flags
, ULONG_PTR dwExtraInfo
, BOOL Hook
)
95 PSYSTEM_CURSORINFO CurInfo
;
100 if(!(DesktopWindow
= UserGetDesktopWindow()))
105 CurInfo
= IntGetSysCursorInfo();
107 /* Clip cursor position */
108 if (!CurInfo
->bClipped
)
109 rcClip
= DesktopWindow
->rcClient
;
111 rcClip
= CurInfo
->rcClip
;
113 if(x
>= rcClip
.right
) x
= rcClip
.right
- 1;
114 if(x
< rcClip
.left
) x
= rcClip
.left
;
115 if(y
>= rcClip
.bottom
) y
= rcClip
.bottom
- 1;
116 if(y
< rcClip
.top
) y
= rcClip
.top
;
121 /* 1. Generate a mouse move message, this sets the htEx and Track Window too. */
122 Msg
.message
= WM_MOUSEMOVE
;
123 Msg
.wParam
= UserGetMouseButtonsState();
124 Msg
.lParam
= MAKELPARAM(x
, y
);
126 co_MsqInsertMouseMessage(&Msg
, flags
, dwExtraInfo
, Hook
);
128 /* 2. Store the new cursor position */
135 * We have to register that this object is in use by the current
136 * process. The only way to do that seems to be to walk the list
137 * of cursor/icon objects starting at W32Process->CursorIconListHead.
138 * If the object is already present in the list, we don't have to do
139 * anything, if it's not present we add it and inc the ProcessCount
140 * in the object. Having to walk the list kind of sucks, but that's
143 static BOOLEAN FASTCALL
144 ReferenceCurIconByProcess(PCURICON_OBJECT CurIcon
)
146 PPROCESSINFO Win32Process
;
147 PCURICON_PROCESS Current
;
149 Win32Process
= PsGetCurrentProcessWin32Process();
151 LIST_FOR_EACH(Current
, &CurIcon
->ProcessList
, CURICON_PROCESS
, ListEntry
)
153 if (Current
->Process
== Win32Process
)
155 /* Already registered for this process */
160 /* Not registered yet */
161 Current
= ExAllocateFromPagedLookasideList(pgProcessLookasideList
);
166 InsertHeadList(&CurIcon
->ProcessList
, &Current
->ListEntry
);
167 Current
->Process
= Win32Process
;
172 PCURICON_OBJECT FASTCALL
173 IntFindExistingCurIconObject(HMODULE hModule
,
174 HRSRC hRsrc
, LONG cx
, LONG cy
)
176 PCURICON_OBJECT CurIcon
;
178 LIST_FOR_EACH(CurIcon
, &gCurIconList
, CURICON_OBJECT
, ListEntry
)
181 // if (NT_SUCCESS(UserReferenceObjectByPointer(Object, TYPE_CURSOR))) // <- huh????
182 // UserReferenceObject( CurIcon);
184 if ((CurIcon
->hModule
== hModule
) && (CurIcon
->hRsrc
== hRsrc
))
186 if (cx
&& ((cx
!= CurIcon
->Size
.cx
) || (cy
!= CurIcon
->Size
.cy
)))
188 // UserDereferenceObject(CurIcon);
191 if (! ReferenceCurIconByProcess(CurIcon
))
199 // UserDereferenceObject(CurIcon);
207 IntCreateCurIconHandle(BOOLEAN Anim
)
209 PCURICON_OBJECT CurIcon
;
212 CurIcon
= UserCreateObject(gHandleTable
, NULL
, NULL
, &hCurIcon
, TYPE_CURSOR
, sizeof(CURICON_OBJECT
));
216 EngSetLastError(ERROR_NOT_ENOUGH_MEMORY
);
220 CurIcon
->Self
= hCurIcon
;
221 InitializeListHead(&CurIcon
->ProcessList
);
223 if (!ReferenceCurIconByProcess(CurIcon
))
225 ERR("Failed to add process\n");
226 UserDeleteObject(hCurIcon
, TYPE_CURSOR
);
227 UserDereferenceObject(CurIcon
);
231 InsertHeadList(&gCurIconList
, &CurIcon
->ListEntry
);
233 UserDereferenceObject(CurIcon
);
239 IntDestroyCurIconObject(PCURICON_OBJECT CurIcon
, PPROCESSINFO ppi
)
241 PSYSTEM_CURSORINFO CurInfo
;
242 HBITMAP bmpMask
, bmpColor
;
243 BOOLEAN Ret
, bListEmpty
, bFound
= FALSE
;
244 PCURICON_PROCESS Current
= NULL
;
246 /* For handles created without any data (error handling) */
247 if(IsListEmpty(&CurIcon
->ProcessList
))
250 /* Now find this process in the list of processes referencing this object and
251 remove it from that list */
252 LIST_FOR_EACH(Current
, &CurIcon
->ProcessList
, CURICON_PROCESS
, ListEntry
)
254 if (Current
->Process
== ppi
)
257 bListEmpty
= RemoveEntryList(&Current
->ListEntry
);
264 /* This object doesn't belong to this process */
265 EngSetLastError(ERROR_INVALID_HANDLE
);
269 ExFreeToPagedLookasideList(pgProcessLookasideList
, Current
);
271 /* If there are still processes referencing this object we can't destroy it yet */
274 if(CurIcon
->head
.ppi
== ppi
)
276 /* Set the first process of the list as owner */
277 Current
= CONTAINING_RECORD(CurIcon
->ProcessList
.Flink
, CURICON_PROCESS
, ListEntry
);
278 UserSetObjectOwner(CurIcon
, TYPE_CURSOR
, Current
->Process
);
280 UserDereferenceObject(CurIcon
);
285 /* Remove it from the list */
286 RemoveEntryList(&CurIcon
->ListEntry
);
288 CurInfo
= IntGetSysCursorInfo();
290 if (CurInfo
->CurrentCursorObject
== CurIcon
)
292 /* Hide the cursor if we're destroying the current cursor */
293 UserSetCursor(NULL
, TRUE
);
296 bmpMask
= CurIcon
->IconInfo
.hbmMask
;
297 bmpColor
= CurIcon
->IconInfo
.hbmColor
;
302 GreSetObjectOwner(bmpMask
, GDI_OBJ_HMGR_POWNED
);
303 GreDeleteObject(bmpMask
);
304 CurIcon
->IconInfo
.hbmMask
= NULL
;
308 GreSetObjectOwner(bmpColor
, GDI_OBJ_HMGR_POWNED
);
309 GreDeleteObject(bmpColor
);
310 CurIcon
->IconInfo
.hbmColor
= NULL
;
313 /* We were given a pointer, no need to keep the reference anylonger! */
314 UserDereferenceObject(CurIcon
);
315 Ret
= UserDeleteObject(CurIcon
->Self
, TYPE_CURSOR
);
321 IntCleanupCurIcons(struct _EPROCESS
*Process
, PPROCESSINFO Win32Process
)
323 PCURICON_OBJECT CurIcon
, tmp
;
325 /* Run through the list of icon objects */
326 LIST_FOR_EACH_SAFE(CurIcon
, tmp
, &gCurIconList
, CURICON_OBJECT
, ListEntry
)
328 UserReferenceObject(CurIcon
);
329 IntDestroyCurIconObject(CurIcon
, Win32Process
);
337 PCURICON_OBJECT pcurOld
, pcurNew
;
338 HCURSOR hOldCursor
= NULL
;
342 pcurNew
= UserGetCurIconObject(hCursor
);
345 EngSetLastError(ERROR_INVALID_CURSOR_HANDLE
);
354 pcurOld
= UserSetCursor(pcurNew
, FALSE
);
357 hOldCursor
= (HCURSOR
)pcurOld
->Self
;
358 UserDereferenceObject(pcurOld
);
369 PCURICON_OBJECT CurIcon
;
372 if (!(CurIcon
= UserGetCurIconObject(hCurIcon
)))
377 ret
= IntDestroyCurIconObject(CurIcon
, PsGetCurrentProcessWin32Process());
378 /* Note: IntDestroyCurIconObject will remove our reference for us! */
391 PUNICODE_STRING lpInstName
, // Optional
392 PUNICODE_STRING lpResName
, // Optional
393 LPDWORD pbpp
, // Optional
397 PCURICON_OBJECT CurIcon
;
398 NTSTATUS Status
= STATUS_SUCCESS
;
402 TRACE("Enter NtUserGetIconInfo\n");
403 UserEnterExclusive();
407 EngSetLastError(ERROR_INVALID_PARAMETER
);
411 if (!(CurIcon
= UserGetCurIconObject(hCurIcon
)))
416 RtlCopyMemory(&ii
, &CurIcon
->IconInfo
, sizeof(ICONINFO
));
419 ii
.hbmMask
= BITMAP_CopyBitmap(CurIcon
->IconInfo
.hbmMask
);
420 ii
.hbmColor
= BITMAP_CopyBitmap(CurIcon
->IconInfo
.hbmColor
);
426 psurfBmp
= SURFACE_ShareLockSurface(CurIcon
->IconInfo
.hbmColor
);
429 colorBpp
= BitsPerFormat(psurfBmp
->SurfObj
.iBitmapFormat
);
430 SURFACE_ShareUnlockSurface(psurfBmp
);
437 ProbeForWrite(IconInfo
, sizeof(ICONINFO
), 1);
438 RtlCopyMemory(IconInfo
, &ii
, sizeof(ICONINFO
));
440 /// @todo Implement support for lpInstName
443 RtlInitEmptyUnicodeString(lpInstName
, NULL
, 0);
446 /// @todo Implement support for lpResName
449 RtlInitEmptyUnicodeString(lpResName
, NULL
, 0);
454 ProbeForWrite(pbpp
, sizeof(DWORD
), 1);
458 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
460 Status
= _SEH2_GetExceptionCode();
464 if (NT_SUCCESS(Status
))
467 SetLastNtError(Status
);
469 UserDereferenceObject(CurIcon
);
472 TRACE("Leave NtUserGetIconInfo, ret=%i\n", Ret
);
487 PLONG plcx
, // &size.cx
488 PLONG plcy
) // &size.cy
490 PCURICON_OBJECT CurIcon
;
491 NTSTATUS Status
= STATUS_SUCCESS
;
494 TRACE("Enter NtUserGetIconSize\n");
495 UserEnterExclusive();
497 if (!(CurIcon
= UserGetCurIconObject(hCurIcon
)))
504 ProbeForWrite(plcx
, sizeof(LONG
), 1);
505 RtlCopyMemory(plcx
, &CurIcon
->Size
.cx
, sizeof(LONG
));
506 ProbeForWrite(plcy
, sizeof(LONG
), 1);
507 RtlCopyMemory(plcy
, &CurIcon
->Size
.cy
, sizeof(LONG
));
509 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
511 Status
= _SEH2_GetExceptionCode();
515 if (NT_SUCCESS(Status
))
518 SetLastNtError(Status
); // Maybe not, test this
520 UserDereferenceObject(CurIcon
);
523 TRACE("Leave NtUserGetIconSize, ret=%i\n", bRet
);
538 PSYSTEM_CURSORINFO CurInfo
;
539 NTSTATUS Status
= STATUS_SUCCESS
;
540 PCURICON_OBJECT CurIcon
;
542 DECLARE_RETURN(BOOL
);
544 TRACE("Enter NtUserGetCursorInfo\n");
545 UserEnterExclusive();
547 CurInfo
= IntGetSysCursorInfo();
548 CurIcon
= (PCURICON_OBJECT
)CurInfo
->CurrentCursorObject
;
550 SafeCi
.cbSize
= sizeof(CURSORINFO
);
551 SafeCi
.flags
= ((CurIcon
&& CurInfo
->ShowingCursor
>= 0) ? CURSOR_SHOWING
: 0);
552 SafeCi
.hCursor
= (CurIcon
? (HCURSOR
)CurIcon
->Self
: (HCURSOR
)0);
554 SafeCi
.ptScreenPos
= gpsi
->ptCursor
;
558 if (pci
->cbSize
== sizeof(CURSORINFO
))
560 ProbeForWrite(pci
, sizeof(CURSORINFO
), 1);
561 RtlCopyMemory(pci
, &SafeCi
, sizeof(CURSORINFO
));
566 EngSetLastError(ERROR_INVALID_PARAMETER
);
569 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
571 Status
= _SEH2_GetExceptionCode();
574 if (!NT_SUCCESS(Status
))
576 SetLastNtError(Status
);
582 TRACE("Leave NtUserGetCursorInfo, ret=%i\n",_ret_
);
592 /* FIXME: Check if process has WINSTA_WRITEATTRIBUTES */
593 PSYSTEM_CURSORINFO CurInfo
;
594 PWND DesktopWindow
= NULL
;
596 CurInfo
= IntGetSysCursorInfo();
598 DesktopWindow
= UserGetDesktopWindow();
600 if (prcl
!= NULL
&& DesktopWindow
!= NULL
)
602 if (prcl
->right
< prcl
->left
|| prcl
->bottom
< prcl
->top
)
604 EngSetLastError(ERROR_INVALID_PARAMETER
);
608 CurInfo
->bClipped
= TRUE
;
610 /* Set nw cliping region. Note: we can't use RECTL_bIntersectRect because
611 it sets rect to 0 0 0 0 when it's empty. For more info see monitor winetest */
612 CurInfo
->rcClip
.left
= max(prcl
->left
, DesktopWindow
->rcWindow
.left
);
613 CurInfo
->rcClip
.right
= min(prcl
->right
, DesktopWindow
->rcWindow
.right
);
614 if (CurInfo
->rcClip
.right
< CurInfo
->rcClip
.left
)
615 CurInfo
->rcClip
.right
= CurInfo
->rcClip
.left
;
617 CurInfo
->rcClip
.top
= max(prcl
->top
, DesktopWindow
->rcWindow
.top
);
618 CurInfo
->rcClip
.bottom
= min(prcl
->bottom
, DesktopWindow
->rcWindow
.bottom
);
619 if (CurInfo
->rcClip
.bottom
< CurInfo
->rcClip
.top
)
620 CurInfo
->rcClip
.bottom
= CurInfo
->rcClip
.top
;
622 /* Make sure cursor is in clipping region */
623 UserSetCursorPos(gpsi
->ptCursor
.x
, gpsi
->ptCursor
.y
, 0, 0, FALSE
);
627 CurInfo
->bClipped
= FALSE
;
648 /* Probe and copy rect */
649 ProbeForRead(prcl
, sizeof(RECTL
), 1);
652 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
654 EngSetLastError(ERROR_INVALID_PARAMETER
);
655 _SEH2_YIELD(return FALSE
;)
662 UserEnterExclusive();
664 /* Call the internal function */
665 bResult
= UserClipCursor(prcl
);
679 _In_ HANDLE hCurIcon
,
682 PCURICON_OBJECT CurIcon
;
684 DECLARE_RETURN(BOOL
);
686 TRACE("Enter NtUserDestroyCursorIcon\n");
687 UserEnterExclusive();
689 if (!(CurIcon
= UserGetCurIconObject(hCurIcon
)))
694 ret
= IntDestroyCurIconObject(CurIcon
, PsGetCurrentProcessWin32Process());
695 /* Note: IntDestroyCurIconObject will remove our reference for us! */
700 TRACE("Leave NtUserDestroyCursorIcon, ret=%i\n",_ret_
);
711 NtUserFindExistingCursorIcon(
717 PCURICON_OBJECT CurIcon
;
718 HANDLE Ret
= (HANDLE
)0;
719 DECLARE_RETURN(HICON
);
721 TRACE("Enter NtUserFindExistingCursorIcon\n");
722 UserEnterExclusive();
724 CurIcon
= IntFindExistingCurIconObject(hModule
, hRsrc
, cx
, cy
);
729 // IntReleaseCurIconObject(CurIcon); // FIXME: Is this correct? Does IntFindExistingCurIconObject add a ref?
733 EngSetLastError(ERROR_INVALID_CURSOR_HANDLE
);
737 TRACE("Leave NtUserFindExistingCursorIcon, ret=%p\n",_ret_
);
751 /* FIXME: Check if process has WINSTA_READATTRIBUTES */
752 PSYSTEM_CURSORINFO CurInfo
;
755 DECLARE_RETURN(BOOL
);
757 TRACE("Enter NtUserGetClipCursor\n");
758 UserEnterExclusive();
763 CurInfo
= IntGetSysCursorInfo();
764 if (CurInfo
->bClipped
)
766 Rect
= CurInfo
->rcClip
;
772 Rect
.right
= UserGetSystemMetrics(SM_CXSCREEN
);
773 Rect
.bottom
= UserGetSystemMetrics(SM_CYSCREEN
);
776 Status
= MmCopyToCaller(lpRect
, &Rect
, sizeof(RECT
));
777 if (!NT_SUCCESS(Status
))
779 SetLastNtError(Status
);
786 TRACE("Leave NtUserGetClipCursor, ret=%i\n",_ret_
);
800 PCURICON_OBJECT pcurOld
, pcurNew
;
801 HCURSOR hOldCursor
= NULL
;
803 TRACE("Enter NtUserSetCursor\n");
804 UserEnterExclusive();
808 pcurNew
= UserGetCurIconObject(hCursor
);
811 EngSetLastError(ERROR_INVALID_CURSOR_HANDLE
);
820 pcurOld
= UserSetCursor(pcurNew
, FALSE
);
823 hOldCursor
= (HCURSOR
)pcurOld
->Self
;
824 UserDereferenceObject(pcurOld
);
838 NtUserSetCursorContents(
840 PICONINFO UnsafeIconInfo
)
842 PCURICON_OBJECT CurIcon
;
847 DECLARE_RETURN(BOOL
);
849 TRACE("Enter NtUserSetCursorContents\n");
850 UserEnterExclusive();
852 if (!(CurIcon
= UserGetCurIconObject(hCurIcon
)))
858 Status
= MmCopyFromCaller(&IconInfo
, UnsafeIconInfo
, sizeof(ICONINFO
));
859 if (!NT_SUCCESS(Status
))
861 SetLastNtError(Status
);
865 /* Delete old bitmaps */
866 if ((CurIcon
->IconInfo
.hbmColor
)
867 && (CurIcon
->IconInfo
.hbmColor
!= IconInfo
.hbmColor
))
869 GreDeleteObject(CurIcon
->IconInfo
.hbmColor
);
871 if ((CurIcon
->IconInfo
.hbmMask
)
872 && CurIcon
->IconInfo
.hbmMask
!= IconInfo
.hbmMask
)
874 GreDeleteObject(CurIcon
->IconInfo
.hbmMask
);
877 /* Copy new IconInfo field */
878 CurIcon
->IconInfo
= IconInfo
;
880 if (CurIcon
->IconInfo
.hbmColor
)
882 psurfBmp
= SURFACE_ShareLockSurface(CurIcon
->IconInfo
.hbmColor
);
886 CurIcon
->Size
.cx
= psurfBmp
->SurfObj
.sizlBitmap
.cx
;
887 CurIcon
->Size
.cy
= psurfBmp
->SurfObj
.sizlBitmap
.cy
;
888 SURFACE_ShareUnlockSurface(psurfBmp
);
889 GreSetObjectOwner(CurIcon
->IconInfo
.hbmColor
, GDI_OBJ_HMGR_PUBLIC
);
893 psurfBmp
= SURFACE_ShareLockSurface(CurIcon
->IconInfo
.hbmMask
);
897 CurIcon
->Size
.cx
= psurfBmp
->SurfObj
.sizlBitmap
.cx
;
898 CurIcon
->Size
.cy
= psurfBmp
->SurfObj
.sizlBitmap
.cy
/ 2;
900 SURFACE_ShareUnlockSurface(psurfBmp
);
902 GreSetObjectOwner(CurIcon
->IconInfo
.hbmMask
, GDI_OBJ_HMGR_PUBLIC
);
910 UserDereferenceObject(CurIcon
);
915 TRACE("Leave NtUserSetCursorContents, ret=%i\n",_ret_
);
927 NtUserSetCursorIconData(
930 PUNICODE_STRING pstrResName
,
933 PCURICON_OBJECT CurIcon
;
935 NTSTATUS Status
= STATUS_SUCCESS
;
937 DECLARE_RETURN(BOOL
);
939 TRACE("Enter NtUserSetCursorIconData\n");
940 UserEnterExclusive();
942 if (!(CurIcon
= UserGetCurIconObject(Handle
)))
947 CurIcon
->hModule
= hModule
;
948 CurIcon
->hRsrc
= NULL
; //hRsrc;
949 CurIcon
->hGroupRsrc
= NULL
; //hGroupRsrc;
953 ProbeForRead(pIconInfo
, sizeof(ICONINFO
), 1);
954 RtlCopyMemory(&CurIcon
->IconInfo
, pIconInfo
, sizeof(ICONINFO
));
956 CurIcon
->IconInfo
.hbmMask
= BITMAP_CopyBitmap(pIconInfo
->hbmMask
);
957 CurIcon
->IconInfo
.hbmColor
= BITMAP_CopyBitmap(pIconInfo
->hbmColor
);
959 if (CurIcon
->IconInfo
.hbmColor
)
961 if ((psurfBmp
= SURFACE_LockSurface(CurIcon
->IconInfo
.hbmColor
)))
963 CurIcon
->Size
.cx
= psurfBmp
->SurfObj
.sizlBitmap
.cx
;
964 CurIcon
->Size
.cy
= psurfBmp
->SurfObj
.sizlBitmap
.cy
;
965 SURFACE_UnlockSurface(psurfBmp
);
966 GreSetObjectOwner(CurIcon
->IconInfo
.hbmMask
, GDI_OBJ_HMGR_PUBLIC
);
969 if (CurIcon
->IconInfo
.hbmMask
)
971 if (CurIcon
->IconInfo
.hbmColor
== NULL
)
973 if ((psurfBmp
= SURFACE_LockSurface(CurIcon
->IconInfo
.hbmMask
)))
975 CurIcon
->Size
.cx
= psurfBmp
->SurfObj
.sizlBitmap
.cx
;
976 CurIcon
->Size
.cy
= psurfBmp
->SurfObj
.sizlBitmap
.cy
;
977 SURFACE_UnlockSurface(psurfBmp
);
980 GreSetObjectOwner(CurIcon
->IconInfo
.hbmMask
, GDI_OBJ_HMGR_PUBLIC
);
983 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
985 Status
= _SEH2_GetExceptionCode();
989 if (!NT_SUCCESS(Status
))
990 SetLastNtError(Status
);
994 UserDereferenceObject(CurIcon
);
998 TRACE("Leave NtUserSetCursorIconData, ret=%i\n",_ret_
);
1005 NtUserSetCursorIconData(
1013 PCURICON_OBJECT CurIcon
;
1017 DECLARE_RETURN(BOOL
);
1019 TRACE("Enter NtUserSetCursorIconData\n");
1020 UserEnterExclusive();
1022 if (!(CurIcon
= UserGetCurIconObject(hCurIcon
)))
1027 CurIcon
->hModule
= hModule
;
1028 CurIcon
->hRsrc
= hRsrc
;
1029 CurIcon
->hGroupRsrc
= hGroupRsrc
;
1034 Status
= MmCopyFromCaller(&CurIcon
->IconInfo
.fIcon
, fIcon
, sizeof(BOOL
));
1035 if (!NT_SUCCESS(Status
))
1037 SetLastNtError(Status
);
1049 Status
= MmCopyFromCaller(&SafeHotspot
, Hotspot
, sizeof(POINT
));
1050 if (NT_SUCCESS(Status
))
1052 CurIcon
->IconInfo
.xHotspot
= SafeHotspot
.x
;
1053 CurIcon
->IconInfo
.yHotspot
= SafeHotspot
.y
;
1058 SetLastNtError(Status
);
1061 if (!fIcon
&& !Hotspot
)
1069 /* This icon is shared now */
1070 GreSetObjectOwner(CurIcon
->IconInfo
.hbmMask
, GDI_OBJ_HMGR_PUBLIC
);
1071 if(CurIcon
->IconInfo
.hbmColor
)
1073 GreSetObjectOwner(CurIcon
->IconInfo
.hbmColor
, GDI_OBJ_HMGR_PUBLIC
);
1076 UserDereferenceObject(CurIcon
);
1081 TRACE("Leave NtUserSetCursorIconData, ret=%i\n",_ret_
);
1087 /* Mostly inspired from wine code.
1088 * We use low level functions because:
1089 * - at this point, the icon bitmap could have a different bit depth than the DC,
1090 * making it thus impossible to use NtCreateCompatibleDC and selecting the bitmap.
1091 * This happens after a mode setting change.
1092 * - it avoids massive GDI objects locking when only the destination surface needs it.
1093 * - It makes (small) performance gains.
1100 PCURICON_OBJECT pIcon
,
1104 HBRUSH hbrFlickerFreeDraw
,
1107 PSURFACE psurfDest
, psurfMask
, psurfColor
, psurfOffScreen
;
1110 HBITMAP hbmMask
, hbmColor
;
1111 BOOL bOffScreen
, bAlpha
= FALSE
;
1112 RECTL rcDest
, rcSrc
;
1113 CLIPOBJ
* pdcClipObj
= NULL
;
1117 if((diFlags
& DI_NORMAL
) == 0)
1119 ERR("DrawIconEx called without mask or color bitmap to draw.\n");
1123 hbmMask
= pIcon
->IconInfo
.hbmMask
;
1124 hbmColor
= pIcon
->IconInfo
.hbmColor
;
1127 ERR("NtUserDrawIconEx: istepIfAniCur is not supported!\n");
1131 * Shared locks are enough, we are only reading those bitmaps
1133 psurfMask
= SURFACE_ShareLockSurface(hbmMask
);
1134 if(psurfMask
== NULL
)
1136 ERR("Unable to lock the mask surface.\n");
1140 /* Color bitmap is not mandatory */
1141 if(hbmColor
== NULL
)
1143 /* But then the mask bitmap must have the information in it's bottom half */
1144 ASSERT(psurfMask
->SurfObj
.sizlBitmap
.cy
== 2*pIcon
->Size
.cy
);
1147 else if ((psurfColor
= SURFACE_ShareLockSurface(hbmColor
)) == NULL
)
1149 ERR("Unable to lock the color bitmap.\n");
1150 SURFACE_ShareUnlockSurface(psurfMask
);
1154 /* Set source rect */
1155 RECTL_vSetRect(&rcSrc
, 0, 0, pIcon
->Size
.cx
, pIcon
->Size
.cy
);
1157 /* Check for alpha */
1159 (psurfColor
->SurfObj
.iBitmapFormat
== BMF_32BPP
) &&
1160 (diFlags
& DI_IMAGE
))
1162 PFN_DIB_GetPixel fnSource_GetPixel
= NULL
;
1165 /* In order to correctly display 32 bit icons Windows first scans the image,
1166 because information about transparency is not stored in any image's headers */
1167 fnSource_GetPixel
= DibFunctionsForBitmapFormat
[BMF_32BPP
].DIB_GetPixel
;
1168 for (i
= 0; i
< psurfColor
->SurfObj
.sizlBitmap
.cx
; i
++)
1170 for (j
= 0; j
< psurfColor
->SurfObj
.sizlBitmap
.cy
; j
++)
1172 bAlpha
= ((BYTE
)(fnSource_GetPixel(&psurfColor
->SurfObj
, i
, j
) >> 24) & 0xff);
1181 /* Fix width parameter, if needed */
1184 if(diFlags
& DI_DEFAULTSIZE
)
1185 cxWidth
= pIcon
->IconInfo
.fIcon
?
1186 UserGetSystemMetrics(SM_CXICON
) : UserGetSystemMetrics(SM_CXCURSOR
);
1188 cxWidth
= pIcon
->Size
.cx
;
1191 /* Fix height parameter, if needed */
1194 if(diFlags
& DI_DEFAULTSIZE
)
1195 cyHeight
= pIcon
->IconInfo
.fIcon
?
1196 UserGetSystemMetrics(SM_CYICON
) : UserGetSystemMetrics(SM_CYCURSOR
);
1198 cyHeight
= pIcon
->Size
.cy
;
1201 /* Should we render off-screen? */
1202 bOffScreen
= hbrFlickerFreeDraw
&& (GDI_HANDLE_GET_TYPE(hbrFlickerFreeDraw
) == GDI_OBJECT_TYPE_BRUSH
);
1206 /* Yes: Allocate and paint the offscreen surface */
1208 PBRUSH pbrush
= BRUSH_ShareLockBrush(hbrFlickerFreeDraw
);
1210 TRACE("Performing off-screen rendering.\n");
1214 ERR("Failed to get brush object.\n");
1215 SURFACE_ShareUnlockSurface(psurfMask
);
1216 if(psurfColor
) SURFACE_ShareUnlockSurface(psurfColor
);
1222 ERR("Attention HAX FIX API DrawIconEx TEST Line 37: psurfColor is NULL going with Mask!\n");
1223 psurfColor
= SURFACE_ShareLockSurface(hbmMask
);
1226 psurfOffScreen
= SURFACE_AllocSurface(STYPE_BITMAP
,
1227 cxWidth
, cyHeight
, psurfColor
->SurfObj
.iBitmapFormat
,
1231 ERR("Failed to allocate the off-screen surface.\n");
1232 SURFACE_ShareUnlockSurface(psurfMask
);
1233 if(psurfColor
) SURFACE_ShareUnlockSurface(psurfColor
);
1234 BRUSH_ShareUnlockBrush(pbrush
);
1238 /* Paint the brush */
1239 EBRUSHOBJ_vInit(&eboFill
, pbrush
, psurfOffScreen
, 0x00FFFFFF, 0, NULL
);
1240 RECTL_vSetRect(&rcDest
, 0, 0, cxWidth
, cyHeight
);
1242 Ret
= IntEngBitBlt(&psurfOffScreen
->SurfObj
,
1250 &eboFill
.BrushObject
,
1254 /* Clean up everything */
1255 EBRUSHOBJ_vCleanup(&eboFill
);
1256 BRUSH_ShareUnlockBrush(pbrush
);
1260 ERR("Failed to paint the off-screen surface.\n");
1261 SURFACE_ShareUnlockSurface(psurfMask
);
1262 if(psurfColor
) SURFACE_ShareUnlockSurface(psurfColor
);
1263 GDIOBJ_vDeleteObject(&psurfOffScreen
->BaseObject
);
1267 /* We now have our destination surface */
1268 psurfDest
= psurfOffScreen
;
1272 /* We directly draw to the DC */
1273 TRACE("Performing on screen rendering.\n");
1275 psurfOffScreen
= NULL
;
1276 pdc
= DC_LockDc(hDc
);
1279 ERR("Could not lock the destination DC.\n");
1280 SURFACE_ShareUnlockSurface(psurfMask
);
1281 if(psurfColor
) SURFACE_ShareUnlockSurface(psurfColor
);
1284 /* Calculate destination rectangle */
1285 RECTL_vSetRect(&rcDest
, xLeft
, yTop
, xLeft
+ cxWidth
, yTop
+ cyHeight
);
1286 IntLPtoDP(pdc
, (LPPOINT
)&rcDest
, 2);
1287 RECTL_vOffsetRect(&rcDest
, pdc
->ptlDCOrig
.x
, pdc
->ptlDCOrig
.y
);
1289 /* Prepare the underlying surface */
1290 DC_vPrepareDCsForBlit(pdc
, &rcDest
, NULL
, NULL
);
1292 /* Get the clip object */
1293 pdcClipObj
= pdc
->rosdc
.CombinedClip
;
1295 /* We now have our destination surface and rectangle */
1296 psurfDest
= pdc
->dclevel
.pSurface
;
1298 if(psurfDest
== NULL
)
1301 DC_vFinishBlit(pdc
, NULL
);
1303 SURFACE_ShareUnlockSurface(psurfMask
);
1304 if(psurfColor
) SURFACE_ShareUnlockSurface(psurfColor
);
1309 /* Now do the rendering */
1310 if(bAlpha
&& (diFlags
& DI_IMAGE
))
1312 BLENDOBJ blendobj
= { {AC_SRC_OVER
, 0, 255, AC_SRC_ALPHA
} };
1315 PSURFACE psurf
= NULL
;
1317 HBITMAP hsurfCopy
= NULL
;
1319 hsurfCopy
= BITMAP_CopyBitmap(hbmColor
);
1322 ERR("BITMAP_CopyBitmap failed!");
1326 psurf
= SURFACE_ShareLockSurface(hsurfCopy
);
1329 ERR("SURFACE_LockSurface failed!\n");
1333 /* Premultiply with the alpha channel value */
1334 for (i
= 0; i
< psurf
->SurfObj
.sizlBitmap
.cy
; i
++)
1336 ptr
= (PBYTE
)psurf
->SurfObj
.pvScan0
+ i
*psurf
->SurfObj
.lDelta
;
1337 for (j
= 0; j
< psurf
->SurfObj
.sizlBitmap
.cx
; j
++)
1340 ptr
[0] = (ptr
[0] * Alpha
) / 0xff;
1341 ptr
[1] = (ptr
[1] * Alpha
) / 0xff;
1342 ptr
[2] = (ptr
[2] * Alpha
) / 0xff;
1348 /* Initialize color translation object */
1349 EXLATEOBJ_vInitialize(&exlo
, psurf
->ppal
, psurfDest
->ppal
, 0xFFFFFFFF, 0xFFFFFFFF, 0);
1352 Ret
= IntEngAlphaBlend(&psurfDest
->SurfObj
,
1360 EXLATEOBJ_vCleanup(&exlo
);
1363 if(psurf
) SURFACE_ShareUnlockSurface(psurf
);
1364 if(hsurfCopy
) NtGdiDeleteObjectApp(hsurfCopy
);
1366 ERR("NtGdiAlphaBlend failed!\n");
1369 if (diFlags
& DI_MASK
)
1371 DWORD rop4
= (diFlags
& DI_IMAGE
) ? ROP4_SRCAND
: ROP4_SRCCOPY
;
1373 EXLATEOBJ_vInitSrcMonoXlate(&exlo
, psurfDest
->ppal
, 0x00FFFFFF, 0);
1375 Ret
= IntEngStretchBlt(&psurfDest
->SurfObj
,
1376 &psurfMask
->SurfObj
,
1388 EXLATEOBJ_vCleanup(&exlo
);
1392 ERR("Failed to mask the bitmap data.\n");
1397 if(diFlags
& DI_IMAGE
)
1401 DWORD rop4
= (diFlags
& DI_MASK
) ? ROP4_SRCINVERT
: ROP4_SRCCOPY
;
1403 EXLATEOBJ_vInitialize(&exlo
, psurfColor
->ppal
, psurfDest
->ppal
, 0x00FFFFFF, 0x00FFFFFF, 0);
1405 Ret
= IntEngStretchBlt(&psurfDest
->SurfObj
,
1406 &psurfColor
->SurfObj
,
1418 EXLATEOBJ_vCleanup(&exlo
);
1422 ERR("Failed to render the icon bitmap.\n");
1428 /* Mask bitmap holds the information in its bottom half */
1429 DWORD rop4
= (diFlags
& DI_MASK
) ? ROP4_SRCINVERT
: ROP4_SRCCOPY
;
1430 RECTL_vOffsetRect(&rcSrc
, 0, pIcon
->Size
.cy
);
1432 EXLATEOBJ_vInitSrcMonoXlate(&exlo
, psurfDest
->ppal
, 0x00FFFFFF, 0);
1434 Ret
= IntEngStretchBlt(&psurfDest
->SurfObj
,
1435 &psurfMask
->SurfObj
,
1447 EXLATEOBJ_vCleanup(&exlo
);
1451 ERR("Failed to render the icon bitmap.\n");
1458 /* We're done. Was it a double buffered draw ? */
1461 /* Yes. Draw it back to our DC */
1462 POINTL ptSrc
= {0, 0};
1463 pdc
= DC_LockDc(hDc
);
1466 ERR("Could not lock the destination DC.\n");
1469 /* Calculate destination rectangle */
1470 RECTL_vSetRect(&rcDest
, xLeft
, yTop
, xLeft
+ cxWidth
, yTop
+ cyHeight
);
1471 IntLPtoDP(pdc
, (LPPOINT
)&rcDest
, 2);
1472 RECTL_vOffsetRect(&rcDest
, pdc
->ptlDCOrig
.x
, pdc
->ptlDCOrig
.y
);
1474 /* Prepare the underlying surface */
1475 DC_vPrepareDCsForBlit(pdc
, &rcDest
, NULL
, NULL
);
1477 /* Get the clip object */
1478 pdcClipObj
= pdc
->rosdc
.CombinedClip
;
1480 /* We now have our destination surface and rectangle */
1481 psurfDest
= pdc
->dclevel
.pSurface
;
1484 /* So, you did all of this for an empty DC. */
1489 /* Color translation */
1490 EXLATEOBJ_vInitialize(&exlo
, psurfOffScreen
->ppal
, psurfDest
->ppal
, 0x00FFFFFF, 0x00FFFFFF, 0);
1493 Ret
= IntEngBitBlt(&psurfDest
->SurfObj
,
1494 &psurfOffScreen
->SurfObj
,
1505 EXLATEOBJ_vCleanup(&exlo
);
1510 DC_vFinishBlit(pdc
, NULL
);
1515 /* Delete off screen rendering surface */
1517 GDIOBJ_vDeleteObject(&psurfOffScreen
->BaseObject
);
1519 /* Unlock other surfaces */
1520 SURFACE_ShareUnlockSurface(psurfMask
);
1521 if(psurfColor
) SURFACE_ShareUnlockSurface(psurfColor
);
1539 HBRUSH hbrFlickerFreeDraw
,
1541 BOOL bMetaHDC
, // When TRUE, GDI functions need to be handled in User32!
1544 PCURICON_OBJECT pIcon
;
1547 TRACE("Enter NtUserDrawIconEx\n");
1548 UserEnterExclusive();
1550 if (!(pIcon
= UserGetCurIconObject(hIcon
)))
1552 ERR("UserGetCurIconObject() failed!\n");
1557 Ret
= UserDrawIconEx(hdc
,
1567 UserDereferenceObject(pIcon
);
1578 NtUserGetCursorFrameInfo(