From 482d43b8759ae026950c0d7b03f1b74c4dbda7ea Mon Sep 17 00:00:00 2001
From: James Tabor <james.tabor@reactos.org>
Date: Wed, 22 Feb 2017 17:45:19 +0000
Subject: [PATCH] [Win32SS] - Implement Fill Window, for testing.

svn path=/trunk/; revision=73887
---
 reactos/win32ss/user/ntuser/ntstubs.c   | 17 -----
 reactos/win32ss/user/ntuser/painting.c  | 88 +++++++++++++++++++++++++
 reactos/win32ss/user/ntuser/userfuncs.h |  3 +-
 3 files changed, 90 insertions(+), 18 deletions(-)

diff --git a/reactos/win32ss/user/ntuser/ntstubs.c b/reactos/win32ss/user/ntuser/ntstubs.c
index 6642c8ffa21..a044232a744 100644
--- a/reactos/win32ss/user/ntuser/ntstubs.c
+++ b/reactos/win32ss/user/ntuser/ntstubs.c
@@ -952,23 +952,6 @@ NtUserCtxDisplayIOCtl(
     return 0;
 }
 
-/*
- * FillWindow: Called from User; Dialog, Edit and ListBox procs during a WM_ERASEBKGND.
- */
-/*
- * @unimplemented
- */
-BOOL APIENTRY
-NtUserFillWindow(HWND hWndPaint,
-                 HWND hWndPaint1,
-                 HDC  hDC,
-                 HBRUSH hBrush)
-{
-   STUB
-
-   return 0;
-}
-
 /*
  * @unimplemented
  */
diff --git a/reactos/win32ss/user/ntuser/painting.c b/reactos/win32ss/user/ntuser/painting.c
index a07b6b2fbaf..6e2f4326d45 100644
--- a/reactos/win32ss/user/ntuser/painting.c
+++ b/reactos/win32ss/user/ntuser/painting.c
@@ -1555,6 +1555,50 @@ IntEndPaint(PWND Wnd, PPAINTSTRUCT Ps)
    return TRUE;
 }
 
+BOOL FASTCALL
+IntFillWindow(PWND pWndParent,
+              PWND pWnd,
+              HDC  hDC,
+              HBRUSH hBrush)
+{
+   RECT Rect, Rect1;
+   INT type;
+
+   if (!pWndParent)
+      pWndParent = pWnd;
+
+   type = GdiGetClipBox(hDC, &Rect);
+
+   IntGetClientRect(pWnd, &Rect1);
+
+   if ( type != NULLREGION && // Clip box is not empty,
+       (!(pWnd->pcls->style & CS_PARENTDC) || // not parent dc or
+         RECTL_bIntersectRect( &Rect, &Rect, &Rect1) ) ) // intersecting.
+   {
+      POINT ppt;
+      INT x = 0, y = 0;
+
+      if ( pWndParent != UserGetDesktopWindow())
+      {
+          x = pWndParent->rcClient.left - pWnd->rcClient.left;
+          y = pWndParent->rcClient.top  - pWnd->rcClient.top;
+      }
+
+      GreSetBrushOrg(hDC, x, y, &ppt);
+
+      if ( hBrush < (HBRUSH)CTLCOLOR_MAX )
+          hBrush = GetControlColor( pWndParent, pWnd, hDC, HandleToUlong(hBrush) + WM_CTLCOLORMSGBOX);
+
+      FillRect(hDC, &Rect, hBrush);
+
+      GreSetBrushOrg(hDC, ppt.x, ppt.y, NULL);
+
+      return TRUE;
+   }
+   else
+      return FALSE;
+}
+
 /* PUBLIC FUNCTIONS ***********************************************************/
 
 /*
@@ -1655,6 +1699,50 @@ CLEANUP:
    END_CLEANUP;
 }
 
+/*
+ * FillWindow: Called from User; Dialog, Edit and ListBox procs during a WM_ERASEBKGND.
+ */
+/*
+ * @implemented
+ */
+BOOL APIENTRY
+NtUserFillWindow(HWND hWndParent,
+                 HWND hWnd,
+                 HDC  hDC,
+                 HBRUSH hBrush)
+{
+   BOOL ret = FALSE;
+   PWND pWnd, pWndParent = NULL;
+   USER_REFERENCE_ENTRY Ref;
+
+   TRACE("Enter NtUserFillWindow\n");
+   UserEnterExclusive();
+
+   if (!hDC)
+   {
+      goto Exit;
+   }
+
+   if (!(pWnd = UserGetWindowObject(hWnd)))
+   {
+      goto Exit;
+   }
+
+   if (hWndParent && !(pWndParent = UserGetWindowObject(hWndParent)))
+   {
+      goto Exit;
+   }
+
+   UserRefObjectCo(pWnd, &Ref);
+   ret = IntFillWindow( pWndParent, pWnd, hDC, hBrush );
+   UserDerefObjectCo(pWnd);
+
+Exit:
+   TRACE("Leave NtUserFillWindow, ret=%i\n",ret);
+   UserLeave();
+   return ret;
+}
+
 /*
  * @implemented
  */
diff --git a/reactos/win32ss/user/ntuser/userfuncs.h b/reactos/win32ss/user/ntuser/userfuncs.h
index 9d61065c9d6..33f3cd285b0 100644
--- a/reactos/win32ss/user/ntuser/userfuncs.h
+++ b/reactos/win32ss/user/ntuser/userfuncs.h
@@ -102,7 +102,8 @@ UserSystemParametersInfo(
 VOID FASTCALL IntSetWindowState(PWND, UINT);
 VOID FASTCALL IntClearWindowState(PWND, UINT);
 PTHREADINFO FASTCALL IntTID2PTI(HANDLE);
-HBRUSH FASTCALL GetControlBrush(PWND pwnd,HDC  hdc,UINT ctlType);
+HBRUSH FASTCALL GetControlBrush(PWND,HDC,UINT);
+HBRUSH FASTCALL GetControlColor(PWND,PWND,HDC,UINT);
 
 /*************** MESSAGE.C ***************/