From fead1d4c6f423183a5f5536b094656a11e2d6dde Mon Sep 17 00:00:00 2001
From: Huo Yaoyuan <huoyaoyuan@hotmail.com>
Date: Tue, 25 Oct 2016 09:18:47 +0800
Subject: [PATCH] Seek by clicking and dragging on progress bar.

---
 osu.Game/Overlays/MusicController.cs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/osu.Game/Overlays/MusicController.cs b/osu.Game/Overlays/MusicController.cs
index 74c3d3392b..4d83070ef5 100644
--- a/osu.Game/Overlays/MusicController.cs
+++ b/osu.Game/Overlays/MusicController.cs
@@ -247,6 +247,28 @@ namespace osu.Game.Overlays
             return scaledSprite;
         }
 
+        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+        {
+            trySeek(state);
+            return base.OnMouseDown(state, args);
+        }
+
+        protected override bool OnMouseMove(InputState state)
+        {
+            trySeek(state);
+            return base.OnMouseMove(state);
+        }
+
+        private void trySeek(InputState state)
+        {
+            if (state.Mouse.LeftButton)
+            {
+                Vector2 pos = GetLocalPosition(state.Mouse.NativeState.Position);
+                if (pos.Y > 120)
+                    CurrentTrack?.Seek(CurrentTrack.Length * pos.X / 400f);
+            }
+        }
+
         //placeholder for toggling
         protected override void PopIn() => FadeIn(500);