[rharabien] 54118: [WIN32K] - Add more clipboard internal functions for use by Print Screen support

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/inc...
==============================================================================
--- 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/ntu...
==============================================================================
--- 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;