From 6e361ec59fb9a416644c60fc58c336c6d63315a3 Mon Sep 17 00:00:00 2001
From: Filip Navara <filip.navara@gmail.com>
Date: Sun, 25 Jan 2004 16:47:10 +0000
Subject: [PATCH] More work on software mouse pointer implementation.

svn path=/trunk/; revision=7876
---
 reactos/subsys/win32k/eng/mouse.c  | 42 +++++++++++++++++++++++++++---
 reactos/subsys/win32k/objects/dc.c | 18 ++++++++++---
 2 files changed, 53 insertions(+), 7 deletions(-)

diff --git a/reactos/subsys/win32k/eng/mouse.c b/reactos/subsys/win32k/eng/mouse.c
index 447a5b23f9a..73e3eaeaa66 100644
--- a/reactos/subsys/win32k/eng/mouse.c
+++ b/reactos/subsys/win32k/eng/mouse.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: mouse.c,v 1.57 2004/01/24 19:47:05 navaraf Exp $
+/* $Id: mouse.c,v 1.58 2004/01/25 16:47:09 navaraf Exp $
  *
  * PROJECT:          ReactOS kernel
  * PURPOSE:          Mouse
@@ -40,6 +40,9 @@
 #include "include/window.h"
 #include "include/cursoricon.h"
 #include "include/callback.h"
+#include "include/palette.h"
+#include "include/inteng.h"
+#include "include/eng.h"
 #include <include/mouse.h>
 
 #define NDEBUG
@@ -706,6 +709,12 @@ EngSetPointerShape(
       ppdev->PointerSaveSurface = NULL;
    }
 
+   if (ppdev->PointerXlateObject != NULL)
+   {
+      EngDeleteXlate(ppdev->PointerXlateObject);
+      ppdev->PointerXlateObject = NULL;
+   }
+
    /*
     * See if we are being asked to hide the pointer.
     */
@@ -723,8 +732,6 @@ EngSetPointerShape(
    ppdev->PointerAttributes.Width = psoMask->lDelta << 3;
    ppdev->PointerAttributes.Height = (psoMask->cjBits / psoMask->lDelta) >> 1;
 
-   ppdev->PointerXlateObject = pxlo;
-
    if (psoColor != NULL)
    {
       SIZEL Size;
@@ -756,6 +763,35 @@ EngSetPointerShape(
          psoMask->lDelta, psoMask->iBitmapFormat, 0, Bits);
    }
 
+   /*
+    * Create and XLATEOBJ that will be used for drawing masks.
+    * FIXME: We should get this in pxlo parameter!
+    */
+
+/*
+   ppdev->PointerXlateObject = pxlo;
+*/
+
+   {
+      HPALETTE BWPalette, DestPalette;
+      ULONG BWColors[] = {0, 0xFFFFFF};
+      PDC Dc;
+      PPALGDI PalObj;
+      LONG DestMode;
+
+      BWPalette = EngCreatePalette(PAL_INDEXED, sizeof(BWColors) / sizeof(ULONG),
+         BWColors, 0, 0, 0);
+      Dc = DC_LockDc(IntGetScreenDC());
+      DestPalette = Dc->w.hPalette;
+      PalObj = PALETTE_LockPalette(DestPalette);
+      DestMode = PalObj->Mode;
+      PALETTE_UnlockPalette(DestPalette);
+      DC_UnlockDc(IntGetScreenDC());
+      ppdev->PointerXlateObject = IntEngCreateXlate(DestMode, PAL_INDEXED,
+         DestPalette, BWPalette);
+      EngDeletePalette(BWPalette);
+   }
+
    /*
     * Create surface for saving the pixels under the cursor.
     */
diff --git a/reactos/subsys/win32k/objects/dc.c b/reactos/subsys/win32k/objects/dc.c
index c5ba1865980..5c1fed554e1 100644
--- a/reactos/subsys/win32k/objects/dc.c
+++ b/reactos/subsys/win32k/objects/dc.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: dc.c,v 1.118 2004/01/16 23:29:10 gvg Exp $
+/* $Id: dc.c,v 1.119 2004/01/25 16:47:10 navaraf Exp $
  *
  * DC.C - Device context functions
  *
@@ -474,6 +474,8 @@ IntCreatePrimarySurface()
   BOOL GotDriver;
   BOOL DoDefault;
 
+  RtlZeroMemory(&PrimarySurface, sizeof(PrimarySurface));
+
   ExInitializeFastMutex(&PrimarySurface.DriverLock);
 
   /*  Open the miniport driver  */
@@ -544,9 +546,6 @@ IntCreatePrimarySurface()
 
   DPRINT("Building DDI Functions\n");
 
-  /*  Make sure the non existant functions are NULL  */
-  RtlZeroMemory(&PrimarySurface.DriverFunctions, sizeof(PrimarySurface.DriverFunctions));
-
   /*  Construct DDI driver function dispatch table  */
   if (! DRIVER_BuildDDIFunctions(&DED, &PrimarySurface.DriverFunctions))
     {
@@ -652,8 +651,19 @@ IntCreatePrimarySurface()
 VOID FASTCALL
 IntDestroyPrimarySurface()
   {
+#if 0
+    PSURFOBJ SurfObj;
+    PSURFGDI SurfGDI;
+#endif
+
     DRIVER_UnreferenceDriver(L"DISPLAY");
 
+#if 0
+    DPRINT("Hiding mouse pointer\n" );
+    SurfObj = (PSURFOBJ)AccessUserObject((ULONG) PrimarySurface.Handle);
+    SurfGDI = (PSURFGDI)AccessInternalObject((ULONG) PrimarySurface.Handle);
+    SurfGDI->SetPointerShape(SurfObj, NULL, NULL, NULL, 0, 0, 0, 0, 0, 0);
+#endif
     DPRINT("Reseting display\n" );
     PrimarySurface.DriverFunctions.AssertMode(PrimarySurface.PDev, FALSE);
     PrimarySurface.DriverFunctions.DisableSurface(PrimarySurface.PDev);