From 834c2849da86b474d1b4c35343e93d6e362ef3fd Mon Sep 17 00:00:00 2001
From: Thomas Goyne <plorkyeran@aegisub.org>
Date: Tue, 1 May 2012 02:49:43 +0000
Subject: [PATCH] Scroll 1/3 of the audio display per mouse wheel click rather
 than 120 pixels

This is what 2.1.x did (except this actually handles nonstandard wheel
deltas) and is generally far more usable.

Originally committed to SVN as r6732.
---
 aegisub/src/audio_box.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aegisub/src/audio_box.cpp b/aegisub/src/audio_box.cpp
index f488baa4d..99057ef68 100644
--- a/aegisub/src/audio_box.cpp
+++ b/aegisub/src/audio_box.cpp
@@ -157,7 +157,7 @@ void AudioBox::OnMouseWheel(wxMouseEvent &evt) {
 	bool zoom = evt.CmdDown() != OPT_GET("Audio/Wheel Default to Zoom")->GetBool();
 	if (!zoom)
 	{
-		int amount = -evt.GetWheelRotation();
+		int amount = -evt.GetWheelRotation() * GetClientSize().GetWidth() / (evt.GetWheelDelta() * 3);
 		// If the user did a horizontal scroll the amount should be inverted
 		// for it to be natural.
 		if (evt.GetWheelAxis() == 1) amount = -amount;