From dd653de2510880a21aa960263b746f04d7d5f127 Mon Sep 17 00:00:00 2001
From: Eric Kohl <eric.kohl@reactos.org>
Date: Mon, 23 Apr 2018 23:58:07 +0200
Subject: [PATCH] [SYSSETUP] PS2MousePropPageProvider: Use the UDN_DELTAPOS
 notification to change the input buffer size in steps of 10

---
 dll/win32/syssetup/proppage.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/dll/win32/syssetup/proppage.c b/dll/win32/syssetup/proppage.c
index d200a841eaf..eb38cf988f6 100644
--- a/dll/win32/syssetup/proppage.c
+++ b/dll/win32/syssetup/proppage.c
@@ -188,6 +188,28 @@ MouseOnCommand(
 }
 
 
+static
+BOOL
+MouseOnNotify(
+    HWND hwndDlg,
+    WPARAM wParam,
+    LPARAM lParam)
+{
+    switch (((LPNMHDR)lParam)->idFrom)
+    {
+        case IDC_PS2MOUSEINPUTUPDN:
+            if (((LPNMHDR)lParam)->code == UDN_DELTAPOS)
+            {
+                ((LPNMUPDOWN)lParam)->iDelta *= 10;
+                return FALSE;
+            }
+            break;
+    }
+
+    return FALSE;
+}
+
+
 static
 INT_PTR
 CALLBACK
@@ -209,6 +231,9 @@ MouseDlgProc(
             MouseOnCommand(hwndDlg, wParam, lParam);
             break;
 
+        case WM_NOTIFY:
+            return MouseOnNotify(hwndDlg, wParam, lParam);
+
     }
 
     return FALSE;