Added MusicControllerLogic, now we can handle audio buttons anywhere in the game.

OpenRA.Mods.Common/Widgets/Logic/Ingame/MusicControllerLogic.cs

@@ -0,0 +1,70 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2016 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System.Linq;
+using OpenRA.GameRules;
+using OpenRA.Graphics;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.Widgets.Logic.Ingame
+{
+	public class MusicControllerLogic : ChromeLogic
+    {
+		MusicPlaylist musicPlaylist;
+
+		[ObjectCreator.UseCtor]
+		public MusicControllerLogic(Widget widget, World world, WorldRenderer worldRenderer)
+		{
+			musicPlaylist = world.WorldActor.Trait<MusicPlaylist>();
+
+			var keyhandler = widget.Get<LogicKeyListenerWidget>("MUSICCONTROLLER_KEYHANDLER");
+			keyhandler.OnKeyPress = e =>
+			{
+				if (e.Event == KeyInputEvent.Down)
+				{
+					var key = Hotkey.FromKeyInput(e);
+
+					if (key == Game.Settings.Keys.NextTrack)
+						musicPlaylist.Play(musicPlaylist.GetNextSong());
+					else if (key == Game.Settings.Keys.PreviousTrack)
+						musicPlaylist.Play(musicPlaylist.GetPrevSong());
+					else if (key == Game.Settings.Keys.StopMusic)
+						StopMusic();
+					else if (key == Game.Settings.Keys.PauseMusic)
+						PauseOrResumeMusic();
+				}
+
+				return false;
+			};
+		}
+
+		void PauseOrResumeMusic()
+		{
+			if (Game.Sound.MusicPlaying)
+				Game.Sound.PauseMusic();
+			else if (Game.Sound.CurrentMusic != null)
+				Game.Sound.PlayMusic();
+			else
+			{
+				musicPlaylist.Play(musicPlaylist.GetNextSong());
+			}
+		}
+
+		void StopMusic()
+		{
+			if (!musicPlaylist.CurrentSongIsBackground)
+				musicPlaylist.Stop();
+			else
+				musicPlaylist.Play(musicPlaylist.GetNextSong());
+		}
+	}
+}

OpenRA.Mods.Common/Widgets/Logic/SettingsLogic.cs

@@ -560,6 +560,24 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 					BindHotkeyPref(kv, ks, developerTemplate, hotkeyList);
 			}
 
+			// Music
+			{
+				var hotkeys = new Dictionary<string, string>()
+				{
+					{ "NextTrack", "Next" },
+					{ "PreviousTrack", "Previous" },
+					{ "StopMusic", "Stop" },
+					{ "PauseMusic", "Pause or Resume" }
+				};
+
+				var header = ScrollItemWidget.Setup(hotkeyHeader, returnTrue, doNothing);
+				header.Get<LabelWidget>("LABEL").GetText = () => "Music commands";
+				hotkeyList.AddChild(header);
+
+				foreach (var kv in hotkeys)
+					BindHotkeyPref(kv, ks, developerTemplate, hotkeyList);
+			}
+
 			return () => { };
 		}