[ros-diffs] [rharabien] 54118: [WIN32K] - Add more clipboard internal functions for use by Print Screen support
rharabien at svn.reactos.org
rharabien at svn.reactos.org
Thu Oct 13 20:49:04 UTC 2011
Author: rharabien
Date: Thu Oct 13 20:49:03 2011
New Revision: 54118
URL: http://svn.reactos.org/svn/reactos?rev=54118&view=rev
Log:
[WIN32K] - Add more clipboard internal functions for use by Print Screen support
Modified:
trunk/reactos/subsystems/win32/win32k/include/clipboard.h
trunk/reactos/subsystems/win32/win32k/ntuser/clipboard.c
Modified: trunk/reactos/subsystems/win32/win32k/include/clipboard.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/include/clipboard.h?rev=54118&r1=54117&r2=54118&view=diff
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/include/clipboard.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/include/clipboard.h [iso-8859-1] Thu Oct 13 20:49:03 2011
@@ -13,5 +13,17 @@
VOID FASTCALL
UserClipboardFreeWindow(PWND pWindow);
+BOOL NTAPI
+UserOpenClipboard(HWND hWnd);
+
+BOOL NTAPI
+UserCloseClipboard(VOID);
+
+BOOL NTAPI
+UserEmptyClipboard(VOID);
+
VOID NTAPI
UserEmptyClipboardData(struct _WINSTATION_OBJECT *pWinSta);
+
+HANDLE NTAPI
+UserSetClipboardData(UINT fmt, HANDLE hData, PSETCLIPBDATA scd);
Modified: trunk/reactos/subsystems/win32/win32k/ntuser/clipboard.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ntuser/clipboard.c?rev=54118&r1=54117&r2=54118&view=diff
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/clipboard.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/clipboard.c [iso-8859-1] Thu Oct 13 20:49:03 2011
@@ -377,23 +377,18 @@
return Ret;
}
-BOOL APIENTRY
-NtUserOpenClipboard(HWND hWnd, DWORD Unknown1)
+BOOL NTAPI
+UserOpenClipboard(HWND hWnd)
{
PWND pWindow = NULL;
BOOL bRet = FALSE;
PWINSTATION_OBJECT pWinStaObj = NULL;
- UserEnterExclusive();
-
if (hWnd)
{
pWindow = UserGetWindowObject(hWnd);
if (!pWindow)
- {
- EngSetLastError(ERROR_INVALID_WINDOW_HANDLE);
goto cleanup;
- }
}
pWinStaObj = IntGetWinStaForCbAccess();
@@ -406,6 +401,7 @@
if (pWinStaObj->spwndClipOpen != pWindow)
{
EngSetLastError(ERROR_ACCESS_DENIED);
+ ERR("Access denied!\n");
goto cleanup;
}
}
@@ -419,18 +415,26 @@
if (pWinStaObj)
ObDereferenceObject(pWinStaObj);
- UserLeave();
-
return bRet;
}
BOOL APIENTRY
-NtUserCloseClipboard(VOID)
+NtUserOpenClipboard(HWND hWnd, DWORD Unknown1)
+{
+ BOOL bRet;
+
+ UserEnterExclusive();
+ bRet = UserOpenClipboard(hWnd);
+ UserLeave();
+
+ return bRet;
+}
+
+BOOL NTAPI
+UserCloseClipboard(VOID)
{
BOOL bRet = FALSE;
PWINSTATION_OBJECT pWinStaObj = NULL;
-
- UserEnterExclusive();
pWinStaObj = IntGetWinStaForCbAccess();
if (!pWinStaObj)
@@ -466,6 +470,16 @@
if (pWinStaObj)
ObDereferenceObject(pWinStaObj);
+ return bRet;
+}
+
+BOOL APIENTRY
+NtUserCloseClipboard(VOID)
+{
+ BOOL bRet;
+
+ UserEnterExclusive();
+ bRet = UserCloseClipboard();
UserLeave();
return bRet;
@@ -550,45 +564,52 @@
return cFormats;
}
+BOOL NTAPI
+UserEmptyClipboard(VOID)
+{
+ BOOL bRet = FALSE;
+ PWINSTATION_OBJECT pWinStaObj;
+
+ pWinStaObj = IntGetWinStaForCbAccess();
+ if (!pWinStaObj)
+ return FALSE;
+
+ if (IntIsClipboardOpenByMe(pWinStaObj))
+ {
+ UserEmptyClipboardData(pWinStaObj);
+
+ if (pWinStaObj->spwndClipOwner)
+ {
+ TRACE("Clipboard: WM_DESTROYCLIPBOARD to %p", pWinStaObj->spwndClipOwner->head.h);
+ co_IntSendMessageNoWait(pWinStaObj->spwndClipOwner->head.h, WM_DESTROYCLIPBOARD, 0, 0);
+ }
+
+ pWinStaObj->spwndClipOwner = pWinStaObj->spwndClipOpen;
+
+ pWinStaObj->iClipSequenceNumber++;
+
+ bRet = TRUE;
+ }
+ else
+ {
+ EngSetLastError(ERROR_CLIPBOARD_NOT_OPEN);
+ ERR("Access denied!\n");
+ }
+
+ ObDereferenceObject(pWinStaObj);
+
+ return bRet;
+}
+
BOOL APIENTRY
NtUserEmptyClipboard(VOID)
{
- BOOL bRet = FALSE;
- PWINSTATION_OBJECT pWinStaObj;
+ BOOL bRet;
TRACE("NtUserEmptyClipboard()\n");
UserEnterExclusive();
-
- pWinStaObj = IntGetWinStaForCbAccess();
- if (!pWinStaObj)
- goto cleanup;
-
- if (IntIsClipboardOpenByMe(pWinStaObj))
- {
- UserEmptyClipboardData(pWinStaObj);
-
- if (pWinStaObj->spwndClipOwner)
- {
- TRACE("Clipboard: WM_DESTROYCLIPBOARD to %p", pWinStaObj->spwndClipOwner->head.h);
- co_IntSendMessageNoWait(pWinStaObj->spwndClipOwner->head.h, WM_DESTROYCLIPBOARD, 0, 0);
- }
-
- pWinStaObj->spwndClipOwner = pWinStaObj->spwndClipOpen;
-
- pWinStaObj->iClipSequenceNumber++;
-
- bRet = TRUE;
- }
- else
- {
- EngSetLastError(ERROR_CLIPBOARD_NOT_OPEN);
- ERR("Access denied!\n");
- }
-
- ObDereferenceObject(pWinStaObj);
-
-cleanup:
+ bRet = UserEmptyClipboard();
UserLeave();
return bRet;
@@ -865,17 +886,11 @@
return hRet;
}
-HANDLE APIENTRY
-NtUserSetClipboardData(UINT fmt, HANDLE hData, PSETCLIPBDATA scd)
+HANDLE NTAPI
+UserSetClipboardData(UINT fmt, HANDLE hData, PSETCLIPBDATA scd)
{
HANDLE hRet = NULL;
- NTSTATUS Status = STATUS_SUCCESS;
PWINSTATION_OBJECT pWinStaObj = NULL;
- BOOLEAN fGlobalHandle = FALSE;
-
- TRACE("NtUserSetClipboardData(%x %p %p)\n", fmt, hData, scd);
-
- UserEnterExclusive();
pWinStaObj = IntGetWinStaForCbAccess();
if (!pWinStaObj)
@@ -891,24 +906,8 @@
goto cleanup;
}
- _SEH2_TRY
- {
- ProbeForRead(scd, sizeof(*scd), 1);
- fGlobalHandle = scd->fGlobalHandle;
- if (scd->fIncSerialNumber)
- pWinStaObj->iClipSerialNumber++;
- }
- _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
- {
- Status = _SEH2_GetExceptionCode();
- }
- _SEH2_END
-
- if (!NT_SUCCESS(Status))
- {
- SetLastNtError(Status);
- goto cleanup;
- }
+ if (scd->fIncSerialNumber)
+ pWinStaObj->iClipSerialNumber++;
/* Is it a delayed render? */
if (hData)
@@ -921,7 +920,7 @@
}
/* Save data in the clipboard */
- IntAddFormatedData(pWinStaObj, fmt, hData, fGlobalHandle, FALSE);
+ IntAddFormatedData(pWinStaObj, fmt, hData, scd->fGlobalHandle, FALSE);
TRACE("hData stored\n");
pWinStaObj->iClipSequenceNumber++;
@@ -945,6 +944,41 @@
if(pWinStaObj)
ObDereferenceObject(pWinStaObj);
+ return hRet;
+}
+
+HANDLE APIENTRY
+NtUserSetClipboardData(UINT fmt, HANDLE hData, PSETCLIPBDATA pUnsafeScd)
+{
+ SETCLIPBDATA scd;
+ NTSTATUS Status = STATUS_SUCCESS;
+ HANDLE hRet = NULL;
+
+ TRACE("NtUserSetClipboardData(%x %p %p)\n", fmt, hData, scd);
+
+ UserEnterExclusive();
+
+ _SEH2_TRY
+ {
+ ProbeForRead(pUnsafeScd, sizeof(*pUnsafeScd), 1);
+ RtlCopyMemory(&scd, pUnsafeScd, sizeof(scd));
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ Status = _SEH2_GetExceptionCode();
+ }
+ _SEH2_END
+
+ if (!NT_SUCCESS(Status))
+ {
+ SetLastNtError(Status);
+ goto cleanup;
+ }
+
+ /* Call internal function */
+ hRet = UserSetClipboardData(fmt, hData, &scd);
+
+cleanup:
UserLeave();
return hRet;
More information about the Ros-diffs
mailing list