[navaraf] 17963: Incomplete support for WS_EX_TRANSPARENT, should fix Task Manager painting bugs.

Incomplete support for WS_EX_TRANSPARENT, should fix Task Manager
painting bugs.
Modified: trunk/reactos/subsys/win32k/ntuser/painting.c
Modified: trunk/reactos/subsys/win32k/ntuser/vis.c
Modified: trunk/reactos/subsys/win32k/ntuser/windc.c
Modified: trunk/reactos/subsys/win32k/ntuser/winpos.c
  _____

Modified: trunk/reactos/subsys/win32k/ntuser/painting.c
--- trunk/reactos/subsys/win32k/ntuser/painting.c	2005-09-21
03:20:07 UTC (rev 17962)
+++ trunk/reactos/subsys/win32k/ntuser/painting.c	2005-09-21
13:49:09 UTC (rev 17963)
@@ -602,13 +602,28 @@

IntFindWindowToRepaint(PWINDOW_OBJECT Window, PW32THREAD Thread)
 {
    HWND hChild;
+   PWINDOW_OBJECT TempWindow;

-   while (Window != NULL)
+   for (; Window != NULL; Window = Window->NextSibling)
    {
-      /* FIXME: Transparent windows. */
-      if (IntIsWindowDirty(Window) &&
-          IntWndBelongsToThread(Window, Thread))
+      if (IntWndBelongsToThread(Window, Thread) &&
+          IntIsWindowDirty(Window))
       {
+         /* Make sure all non-transparent siblings are already drawn.
*/
+         if (Window->ExStyle & WS_EX_TRANSPARENT)
+         {
+            for (TempWindow = Window->NextSibling; TempWindow != NULL;
+                 TempWindow = TempWindow->NextSibling)
+            {
+               if (!(TempWindow->ExStyle & WS_EX_TRANSPARENT) &&
+                   IntWndBelongsToThread(TempWindow, Thread) &&
+                   IntIsWindowDirty(TempWindow))
+               {
+                  return TempWindow->hSelf;
+               }
+            }
+         }
+
          return Window->hSelf;
       }

@@ -617,9 +632,7 @@
          hChild = IntFindWindowToRepaint(Window->FirstChild, Thread);
          if (hChild != NULL)
             return hChild;
-      }
-
-      Window = Window->NextSibling;
+      }      
    }

return NULL;
  _____

Modified: trunk/reactos/subsys/win32k/ntuser/vis.c
--- trunk/reactos/subsys/win32k/ntuser/vis.c	2005-09-21 03:20:07 UTC
(rev 17962)
+++ trunk/reactos/subsys/win32k/ntuser/vis.c	2005-09-21 13:49:09 UTC
(rev 17963)
@@ -89,7 +89,8 @@

CurrentSibling = CurrentWindow->FirstChild;
          while (CurrentSibling != NULL && CurrentSibling !=
PreviousWindow)
          {
-            if (CurrentSibling->Style & WS_VISIBLE)
+            if ((CurrentSibling->Style & WS_VISIBLE) &&
+                !(CurrentSibling->ExStyle & WS_EX_TRANSPARENT))
             {
                ClipRgn =
UnsafeIntCreateRectRgnIndirect(&CurrentSibling->WindowRect);
                /* Combine it with the window region if available */
@@ -115,7 +116,8 @@
       CurrentWindow = Window->FirstChild;
       while (CurrentWindow)
       {
-         if (CurrentWindow->Style & WS_VISIBLE)
+         if ((CurrentWindow->Style & WS_VISIBLE) &&
+             !(CurrentWindow->ExStyle & WS_EX_TRANSPARENT))
          {
             ClipRgn =
UnsafeIntCreateRectRgnIndirect(&CurrentWindow->WindowRect);
             /* Combine it with the window region if available */
  _____

Modified: trunk/reactos/subsys/win32k/ntuser/windc.c
--- trunk/reactos/subsys/win32k/ntuser/windc.c	2005-09-21 03:20:07 UTC
(rev 17962)
+++ trunk/reactos/subsys/win32k/ntuser/windc.c	2005-09-21 13:49:09 UTC
(rev 17963)
@@ -342,7 +342,6 @@

Flags |= DCX_CACHE;
    }

-
    if (Flags & DCX_USESTYLE)
    {
       Flags &= ~(DCX_CLIPCHILDREN | DCX_CLIPSIBLINGS | DCX_PARENTCLIP);
  _____

Modified: trunk/reactos/subsys/win32k/ntuser/winpos.c
--- trunk/reactos/subsys/win32k/ntuser/winpos.c	2005-09-21 03:20:07 UTC
(rev 17962)
+++ trunk/reactos/subsys/win32k/ntuser/winpos.c	2005-09-21 13:49:09 UTC
(rev 17963)
@@ -1118,7 +1118,8 @@

* change.
        */
       if (VisBefore != NULL && VisAfter != NULL && !(WinPos.flags &
SWP_NOCOPYBITS) &&
-            ((WinPos.flags & SWP_NOSIZE) || !(WvrFlags & WVR_REDRAW)))
+          ((WinPos.flags & SWP_NOSIZE) || !(WvrFlags & WVR_REDRAW)) &&
+          !(Window->ExStyle & WS_EX_TRANSPARENT))
       {
          CopyRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
          RgnType = NtGdiCombineRgn(CopyRgn, VisAfter, VisBefore,
RGN_AND);