[jgardou] 63742: [WIN32K] - Avoid useless casts - Add a few debug prints - Add sanity check

Author: jgardou
Date: Sat Jul 26 15:41:33 2014
New Revision: 63742

URL: http://svn.reactos.org/svn/reactos?rev=63742&view=rev
Log:
[WIN32K]
 - Avoid useless casts
 - Add a few debug prints
 - Add sanity check

Modified:
    trunk/reactos/win32ss/gdi/eng/engobjects.h
    trunk/reactos/win32ss/gdi/eng/engwindow.c

Modified: trunk/reactos/win32ss/gdi/eng/engobjects.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/eng/engobjects....
==============================================================================
--- trunk/reactos/win32ss/gdi/eng/engobjects.h	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/eng/engobjects.h	[iso-8859-1] Sat Jul 26 15:41:33 2014
@@ -85,6 +85,7 @@
     ULONG RectCount;
     RECTL* Rects;
 } CLIPGDI, *PCLIPGDI;
+C_ASSERT(FIELD_OFFSET(CLIPGDI, ClipObj) == FIELD_OFFSET(CLIPGDI, WndObj.coClient));

// HACK, until we use the original structure
 #define XCLIPOBJ CLIPGDI

Modified: trunk/reactos/win32ss/gdi/eng/engwindow.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/eng/engwindow.c...
==============================================================================
--- trunk/reactos/win32ss/gdi/eng/engwindow.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/eng/engwindow.c	[iso-8859-1] Sat Jul 26 15:41:33 2014
@@ -18,11 +18,9 @@
 VOID
 FASTCALL
 IntEngWndCallChangeProc(
-    IN WNDOBJ *pwo,
-    IN FLONG   flChanged)
-{
-    XCLIPOBJ* Clip = CONTAINING_RECORD(pwo, XCLIPOBJ, WndObj);
-
+    _In_ XCLIPOBJ *Clip,
+    _In_ FLONG   flChanged)
+{
     if (Clip->ChangeProc == NULL)
     {
         return;
@@ -35,15 +33,14 @@
         return;
     }

+    TRACE("Calling WNDOBJCHANGEPROC (0x%p), Changed = 0x%x\n",
+           Clip->ChangeProc, flChanged);
+
     /* Call the WNDOBJCHANGEPROC */
     if (flChanged == WOC_CHANGED)
-    {
-        pwo = NULL;
-    }
-
-    TRACE("Calling WNDOBJCHANGEPROC (0x%p), Changed = 0x%x\n",
-           Clip->ChangeProc, flChanged);
-    Clip->ChangeProc(pwo, flChanged);
+        Clip->ChangeProc(NULL, flChanged);
+    else
+        Clip->ChangeProc(&Clip->WndObj, flChanged);
 }

/*
@@ -112,30 +109,25 @@
     _In_    PWND  Window,
     _In_    FLONG flChanged)
 {
-    PPROPERTY pprop;
-    XCLIPOBJ *Current;
-    HWND hWnd;
+    XCLIPOBJ *Clip;

ASSERT_IRQL_LESS_OR_EQUAL(PASSIVE_LEVEL);

-    hWnd = Window->head.h;
-    pprop = IntGetProp(Window, AtomWndObj);
-    if (!pprop)
+    Clip = UserGetProp(Window, AtomWndObj);
+    if (!Clip)
     {
         return;
     }
-    Current = (XCLIPOBJ *)pprop->Data;
-    if ( gcountPWO &&
-            Current &&
-            Current->Hwnd == hWnd &&
-            Current->WndObj.pvConsumer != NULL )
+
+    ASSERT(Clip->Hwnd == Window->head.h);
+    if (Clip->WndObj.pvConsumer != NULL)
     {
         /* Update the WNDOBJ */
         switch (flChanged)
         {
         case WOC_RGN_CLIENT:
             /* Update the clipobj and client rect of the WNDOBJ */
-            IntEngWndUpdateClipObj(Current, Window);
+            IntEngWndUpdateClipObj(Clip, Window);
             break;

case WOC_DELETE:
@@ -144,12 +136,12 @@
         }

/* Call the change proc */
-        IntEngWndCallChangeProc(&Current->WndObj, flChanged);
+        IntEngWndCallChangeProc(Clip, flChanged);

/* HACK: Send WOC_CHANGED after WOC_RGN_CLIENT */
         if (flChanged == WOC_RGN_CLIENT)
         {
-            IntEngWndCallChangeProc(&Current->WndObj, WOC_CHANGED);
+            IntEngWndCallChangeProc(Clip, WOC_CHANGED);
         }
     }
 }
@@ -218,7 +210,7 @@
     IntSetProp(Window, AtomWndObj, Clip);
     ++gcountPWO;

-    TRACE("EngCreateWnd: SUCCESS!\n");
+    TRACE("EngCreateWnd: SUCCESS: %p!\n", WndObjUser);

RETURN( WndObjUser);

@@ -315,6 +307,7 @@
     IN WNDOBJ  *pwo,
     IN PVOID  pvConsumer)
 {
+    XCLIPOBJ* Clip = CONTAINING_RECORD(pwo, XCLIPOBJ, WndObj);
     BOOL Hack;

TRACE("WNDOBJ_vSetConsumer: pwo = 0x%p, pvConsumer = 0x%p\n", pwo, pvConsumer);
@@ -333,9 +326,9 @@
     if (Hack)
     {
         FIXME("Is this hack really needed?\n");
-        IntEngWndCallChangeProc(pwo, WOC_RGN_CLIENT);
-        IntEngWndCallChangeProc(pwo, WOC_CHANGED);
-        IntEngWndCallChangeProc(pwo, WOC_DRAWN);
+        IntEngWndCallChangeProc(Clip, WOC_RGN_CLIENT);
+        IntEngWndCallChangeProc(Clip, WOC_CHANGED);
+        IntEngWndCallChangeProc(Clip, WOC_DRAWN);
     }
 }