[jgardou] 64182: [USER32] - Delete region on error path. [WIN32SS] - Improve/add a few debug prints.

Author: jgardou
Date: Wed Sep 17 15:08:23 2014
New Revision: 64182

URL: http://svn.reactos.org/svn/reactos?rev=64182&view=rev
Log:
[USER32]
 - Delete region on error path.
[WIN32SS]
 - Improve/add a few debug prints.

Modified:
    trunk/reactos/win32ss/user/ntuser/windc.c
    trunk/reactos/win32ss/user/user32/windows/message.c
    trunk/reactos/win32ss/user/user32/windows/nonclient.c

Modified: trunk/reactos/win32ss/user/ntuser/windc.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/ntuser/windc.…
==============================================================================
--- trunk/reactos/win32ss/user/ntuser/windc.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/ntuser/windc.c	[iso-8859-1] Wed Sep 17 15:08:23 2014
@@ -1037,7 +1037,8 @@
   PWND Wnd=NULL;
   DECLARE_RETURN(HDC);
 
-  TRACE("Enter NtUserGetDCEx\n");
+  TRACE("Enter NtUserGetDCEx: hWnd %p, ClipRegion %p, Flags %x.\n",
+      hWnd, ClipRegion, Flags);
   UserEnterExclusive();
 
   if (hWnd && !(Wnd = UserGetWindowObject(hWnd)))

Modified: trunk/reactos/win32ss/user/user32/windows/message.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/user32/window…
==============================================================================
--- trunk/reactos/win32ss/user/user32/windows/message.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/user32/windows/message.c	[iso-8859-1] Wed Sep 17 15:08:23
2014
@@ -1619,6 +1619,9 @@
   LRESULT Result = 0, PreResult = 0;
   DWORD Data = 0;
 
+  TRACE("IntCallWindowProcA: IsAnsiProc : %s, WndProc %p, pWnd %p, hWnd %p, Msg %u,
wParam %Iu, lParam %Iu.\n",
+      IsAnsiProc ? "TRUE" : "FALSE", WndProc, pWnd, hWnd, Msg,
wParam, lParam);
+
   if (WndProc == NULL)
   {
       WARN("IntCallWindowsProcA() called with WndProc = NULL!\n");

Modified: trunk/reactos/win32ss/user/user32/windows/nonclient.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/user32/window…
==============================================================================
--- trunk/reactos/win32ss/user/user32/windows/nonclient.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/user32/windows/nonclient.c	[iso-8859-1] Wed Sep 17 15:08:23
2014
@@ -281,9 +281,15 @@
 
    Style = GetWindowLongPtrW(hWnd, GWL_STYLE);
 
+   TRACE("DefWndNCPaint: hWnd %p, hRgn %p, Active %s.\n",
+       hWnd, hRgn, Active ? "TRUE" : "FALSE");
+
    hDC = GetDCEx(hWnd, hRgn, DCX_WINDOW | DCX_INTERSECTRGN | DCX_USESTYLE |
DCX_KEEPCLIPRGN);
    if (hDC == 0)
    {
+      ERR("hDC is NULL!\n");
+      if (hRgn != HRGN_WINDOW)
+          DeleteObject(hRgn);
       return 0;
    }