From d587e0fbfe7f983b39dfbbf21e4ca05aa1354583 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Axel=20D=C3=B6rfler?= <axeld@pinc-software.de>
Date: Fri, 21 Aug 2009 19:36:07 +0000
Subject: [PATCH] * Not sure why we are that generous (copying BView
 behaviour), but pressing   Alt, Option, or Control while scrolling the menu
 via the mouse wheel now   scrolls page wise.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32581 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/kits/interface/Menu.cpp | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/kits/interface/Menu.cpp b/src/kits/interface/Menu.cpp
index 008ebe3b89..c7c46761a0 100644
--- a/src/kits/interface/Menu.cpp
+++ b/src/kits/interface/Menu.cpp
@@ -842,11 +842,20 @@ BMenu::MessageReceived(BMessage* msg)
 			if (window == NULL)
 				return;
 
+			float largeStep;
 			float smallStep;
-			window->GetSteps(&smallStep, NULL);
-			window->TryScrollBy(deltaY * smallStep);
+			window->GetSteps(&smallStep, &largeStep);
+
+			// pressing the option/command/control key scrolls faster
+			if (modifiers() & (B_OPTION_KEY | B_COMMAND_KEY | B_CONTROL_KEY))
+				deltaY *= largeStep;
+			else
+				deltaY *= smallStep;
+
+			window->TryScrollBy(deltaY);
 			break;
 		}
+
 		default:
 			BView::MessageReceived(msg);
 			break;