[greatlrd] 20470: Implement ShowCursor, it is a issue with quake when you moving the mouse, the mousepointer will show, when you stand still with the mouse it will not show the mousepointer.

Implement ShowCursor, it is a issue with quake when you moving the
mouse, the mousepointer will show, when you stand still with the mouse
it will not show the mousepointer.
Modified: trunk/reactos/include/win32k/ntuser.h
Modified: trunk/reactos/lib/user32/include/user32p.h
Modified: trunk/reactos/lib/user32/windows/cursor.c
Modified: trunk/reactos/subsys/win32k/ntuser/misc.c
  _____
Modified: trunk/reactos/include/win32k/ntuser.h
--- trunk/reactos/include/win32k/ntuser.h       2005-12-30 21:18:25 UTC
(rev 20469)
+++ trunk/reactos/include/win32k/ntuser.h       2005-12-30 22:02:59 UTC
(rev 20470)
@@ -379,6 +379,7 @@
 #define ONEPARAM_ROUTINE_MSQSETWAKEMASK       0x27
 #define ONEPARAM_ROUTINE_GETKEYBOARDTYPE      0x28
 #define ONEPARAM_ROUTINE_GETKEYBOARDLAYOUT    0x29
+#define ONEPARAM_ROUTINE_SHOWCURSOR           0x30
 DWORD
 NTAPI
 NtUserCallOneParam(
  _____
Modified: trunk/reactos/lib/user32/include/user32p.h
--- trunk/reactos/lib/user32/include/user32p.h  2005-12-30 21:18:25 UTC
(rev 20469)
+++ trunk/reactos/lib/user32/include/user32p.h  2005-12-30 22:02:59 UTC
(rev 20470)
@@ -112,6 +112,11 @@
 #define NtUserEnableProcessWindowGhosting(bEnable) \
   NtUserCallOneParam((DWORD)bEnable,
ONEPARAM_ROUTINE_ENABLEPROCWNDGHSTING)
+#define NtUserShowCursor(bShow) \
+  NtUserCallOneParam((DWORD)bShow, ONEPARAM_ROUTINE_SHOWCURSOR)
+
+
+
 /* Internal Thread Data */
 extern HINSTANCE User32Instance;
  _____
Modified: trunk/reactos/lib/user32/windows/cursor.c
--- trunk/reactos/lib/user32/windows/cursor.c   2005-12-30 21:18:25 UTC
(rev 20469)
+++ trunk/reactos/lib/user32/windows/cursor.c   2005-12-30 22:02:59 UTC
(rev 20470)
@@ -320,13 +320,12 @@
 /*
- * @unimplemented
+ * @implemented
  */
 int STDCALL
 ShowCursor(BOOL bShow)
 {
-  UNIMPLEMENTED;
-  return 0;
+  return NtUserShowCursor(bShow);
 }
 HCURSOR
  _____
Modified: trunk/reactos/subsys/win32k/ntuser/misc.c
--- trunk/reactos/subsys/win32k/ntuser/misc.c   2005-12-30 21:18:25 UTC
(rev 20469)
+++ trunk/reactos/subsys/win32k/ntuser/misc.c   2005-12-30 22:02:59 UTC
(rev 20470)
@@ -11,7 +11,8 @@
 #include <w32k.h>
-#define NDEBUG
+//#define NDEBUG
+#undef NDEBUG
 #include <debug.h>
 /* registered Logon process */
@@ -164,6 +165,7 @@
    END_CLEANUP;
 }
+
 /*
  * @implemented
  */
@@ -176,10 +178,90 @@
    DECLARE_RETURN(DWORD);
    DPRINT("Enter NtUserCallOneParam\n");
+
+
+   if (Routine == ONEPARAM_ROUTINE_SHOWCURSOR)
+   {
+      PWINSTATION_OBJECT WinSta =
PsGetWin32Thread()->Desktop->WindowStation;
+      PSYSTEM_CURSORINFO CurInfo;
+
+      HDC Screen;
+      HBITMAP dcbmp;
+      SURFOBJ *SurfObj;
+      BITMAPOBJ *BitmapObj;
+      GDIDEVICE *ppdev;
+      GDIPOINTER *pgp;
+
+      if(!(Screen = IntGetScreenDC()))
+      {
+        return 1; /* No mouse */
+      }
+
+      PDC dc = DC_LockDc(Screen);
+
+      if (!dc)
+      {
+        return 1; /* No mouse */
+      }
+
+      dcbmp = dc->w.hBitmap;
+      DC_UnlockDc(dc);
+
+      BitmapObj = BITMAPOBJ_LockBitmap(dcbmp);
+      if ( !BitmapObj )
+      {
+         BITMAPOBJ_UnlockBitmap(BitmapObj);
+         return 1; /* No Mouse */
+      }
+
+      SurfObj = &BitmapObj->SurfObj;
+      if (SurfObj == NULL)
+      {
+        BITMAPOBJ_UnlockBitmap(BitmapObj);
+        return 1; /* No mouse */
+      }
+
+      ppdev = GDIDEV(SurfObj);
+
+      if(ppdev == NULL)
+      {
+        BITMAPOBJ_UnlockBitmap(BitmapObj);
+        return 1; /* No mouse */
+      }
+
+      pgp = &ppdev->Pointer;
+
+      CurInfo = IntGetSysCursorInfo(WinSta);
+
+      if (Param == FALSE)
+      {
+          if (CurInfo->ShowingCursor != 0)
+          {
+             ppdev->SafetyRemoveCount = 1;
+             ppdev->SafetyRemoveLevel = 1;
+             EngMovePointer(SurfObj,-1,-1,NULL);
+             CurInfo->ShowingCursor = 0;
+           }
+
+       }
+       else
+       {
+          /* Show Cursor */
+          ppdev->SafetyRemoveCount = 0;
+          ppdev->SafetyRemoveLevel = 0;
+          EngMovePointer(SurfObj,-1,-1,NULL);
+          CurInfo->ShowingCursor = CURSOR_SHOWING;
+       }
+
+       BITMAPOBJ_UnlockBitmap(BitmapObj);
+       return 0;
+       }
+
+
    UserEnterExclusive();
    switch(Routine)
-   {
+   {
       case ONEPARAM_ROUTINE_GETMENU:
          {
             PWINDOW_OBJECT Window;