From ff7ea1c1f55618ea626b42de00ea7a48138a03cc Mon Sep 17 00:00:00 2001
From: Andrew Greenwood <silverblade@reactos.org>
Date: Sun, 17 Aug 2003 20:29:57 +0000
Subject: [PATCH] * Implemented EnabledWindow and IsWindowEnabled (seem to work
 OK) * Modified DrawState slightly (still doesn't work very well)

svn path=/trunk/; revision=5622
---
 reactos/lib/user32/misc/stubs.c     | 15 +--------------
 reactos/lib/user32/windows/draw.c   | 11 ++++++++++-
 reactos/lib/user32/windows/input.c  | 14 ++++++++++----
 reactos/lib/user32/windows/window.c | 18 +++++++++++++++++-
 4 files changed, 38 insertions(+), 20 deletions(-)

diff --git a/reactos/lib/user32/misc/stubs.c b/reactos/lib/user32/misc/stubs.c
index 423f293c728..c6e6310c101 100644
--- a/reactos/lib/user32/misc/stubs.c
+++ b/reactos/lib/user32/misc/stubs.c
@@ -1,4 +1,4 @@
-/* $Id: stubs.c,v 1.30 2003/08/14 20:25:52 royce Exp $
+/* $Id: stubs.c,v 1.31 2003/08/17 20:29:56 silverblade Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS user32.dll
@@ -220,19 +220,6 @@ GetSystemMenu(
 }
 
 
-/*
- * @unimplemented
- */
-WINBOOL
-STDCALL
-IsWindowEnabled(
-  HWND hWnd)
-{
-  UNIMPLEMENTED;
-  return FALSE;
-}
-
-
 /*
  * @unimplemented
  */
diff --git a/reactos/lib/user32/windows/draw.c b/reactos/lib/user32/windows/draw.c
index a890f4be2a5..2a8c4e8239e 100644
--- a/reactos/lib/user32/windows/draw.c
+++ b/reactos/lib/user32/windows/draw.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: draw.c,v 1.21 2003/08/17 19:07:11 silverblade Exp $
+/* $Id: draw.c,v 1.22 2003/08/17 20:29:57 silverblade Exp $
  *
  * PROJECT:         ReactOS user32.dll
  * FILE:            lib/user32/windows/input.c
@@ -1615,12 +1615,16 @@ WINBOOL INTERNAL_DrawStateDraw(HDC hdc, UINT type, DRAWSTATEPROC lpOutputFunc,
     BOOL retval = FALSE;
     INT cx = rc->right - rc->left;
     INT cy = rc->bottom - rc->top;
+    
+    if (((type == DST_TEXT) || (type == DST_PREFIXTEXT)) && (lpOutputFunc))
+        type = DST_COMPLEX;
 
     switch(type)
     {
         case DST_TEXT :
         case DST_PREFIXTEXT :
         {
+            DbgPrint("DST_TEXT\n");
             if (unicode)
                 return DrawTextW(hdc, (LPWSTR)lData, (INT)wData, rc, dtflags);
             else
@@ -1641,10 +1645,12 @@ WINBOOL INTERNAL_DrawStateDraw(HDC hdc, UINT type, DRAWSTATEPROC lpOutputFunc,
         
         case DST_COMPLEX :
         {
+            DbgPrint("DST_COMPLEX\n");
             // Call lpOutputFunc, if necessary
             if (lpOutputFunc)
             {
                 OffsetViewportOrgEx(hdc, rc->left, rc->top, NULL);
+                DbgPrint("Calling lpOutputFunc\n");
                 retval = lpOutputFunc(hdc, lData, wData, cx, cy);
                 OffsetViewportOrgEx(hdc, -rc->left, -rc->top, NULL);
                 return retval;
@@ -1769,8 +1775,11 @@ WINBOOL INTERNAL_DrawState(
     {
         DbgPrint("DSS_NORMAL\n");
         SetRect(&rect, x, y, x + cx, y + cy);
+        DbgPrint("L == %d  R == %d  T == %d  B == %d\n", rect.left, rect.right, rect.top, rect.bottom);
         return INTERNAL_DrawStateDraw(hdc, type, lpOutputFunc, lData, wData, &rect, dtflags, unicode);
     }
+    
+    // WARNING: FROM THIS POINT ON THE CODE IS VERY BUGGY
 
     // Set the rectangle to that of the memory DC
     SetRect(&rect, 0, 0, cx, cy);
diff --git a/reactos/lib/user32/windows/input.c b/reactos/lib/user32/windows/input.c
index c2c1d5fb39e..a06d3466cbf 100644
--- a/reactos/lib/user32/windows/input.c
+++ b/reactos/lib/user32/windows/input.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: input.c,v 1.11 2003/08/04 16:56:40 gdalsnes Exp $
+/* $Id: input.c,v 1.12 2003/08/17 20:29:57 silverblade Exp $
  *
  * PROJECT:         ReactOS user32.dll
  * FILE:            lib/user32/windows/input.c
@@ -72,14 +72,20 @@ BlockInput(WINBOOL fBlockIt)
 
 
 /*
- * @unimplemented
+ * @implemented
  */
 WINBOOL STDCALL
 EnableWindow(HWND hWnd,
 	     WINBOOL bEnable)
 {
-  UNIMPLEMENTED;
-  return FALSE;
+    LONG Style = GetWindowLongW(hWnd, GWL_STYLE);
+    Style = bEnable ? Style & ~WS_DISABLED : Style | WS_DISABLED;
+    SetWindowLongW(hWnd, GWL_STYLE, Style);
+    
+    SendMessageA(hWnd, WM_ENABLE, (LPARAM) IsWindowEnabled(hWnd), 0);
+    
+    // Return nonzero if it was disabled, or zero if it wasn't:
+    return IsWindowEnabled(hWnd);
 }
 
 
diff --git a/reactos/lib/user32/windows/window.c b/reactos/lib/user32/windows/window.c
index b89ed726dbf..a7241005f45 100644
--- a/reactos/lib/user32/windows/window.c
+++ b/reactos/lib/user32/windows/window.c
@@ -1,4 +1,4 @@
-/* $Id: window.c,v 1.61 2003/08/17 19:07:11 silverblade Exp $
+/* $Id: window.c,v 1.62 2003/08/17 20:29:57 silverblade Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS user32.dll
@@ -1287,6 +1287,22 @@ IsWindowVisible(HWND hWnd)
 }
 
 
+/*
+ * @implemented
+ */
+WINBOOL
+STDCALL
+IsWindowEnabled(
+  HWND hWnd)
+{
+    // AG: I don't know if child windows are affected if the parent is
+    // disabled. I think they stop processing messages but stay appearing
+    // as enabled.
+    
+    return (! (GetWindowLongW(hWnd, GWL_STYLE) & WS_DISABLED));
+}
+
+
 /*
  * @implemented
  */