- start button implementation

Lib.Audio/Channel.cs

@@ -3,6 +3,7 @@
 // Copyright(c) 2021 SimonG. All Rights Reserved.
 
 using System.Collections.Generic;
+using System.Linq;
 using Lib.Audio.Controls.Buttons.Factories;
 using Lib.Audio.Controls.Buttons.Interfaces;
 using Lib.Audio.Controls.Factories;
@@ -40,7 +41,7 @@ namespace Lib.Audio
             {
                 Buttons = new List<IButton>();
                 foreach (var button in xmlChannel.Buttons) 
-                    Buttons.Add(buttonFactory.Create(button));
+                    Buttons.Add(buttonFactory.Create(button, _channelNumber));
             }
         }
 
@@ -56,6 +57,11 @@ namespace Lib.Audio
             {
                 if (Fader?.NoteNumber == noteOnMessage.NoteNumber)
                     Fader.IsTouched = true;
+                else 
+                {
+                    IButton? button = Buttons?.FirstOrDefault(b => b.NoteNumber == noteOnMessage.NoteNumber);
+                    _acknowledgeMessage = button?.HandleOn(Controllable, noteOnMessage.Velocity);
+                }
             }
             else if (message is NoteMessage noteMessage)
             {
@@ -64,6 +70,11 @@ namespace Lib.Audio
                     Fader.IsTouched = false;
                     _acknowledgeMessage = new PitchWheelChangeMessage(0, _channelNumber, Fader.Position);
                 }
+                else 
+                {
+                    IButton? button = Buttons?.FirstOrDefault(b => b.NoteNumber == noteMessage.NoteNumber);
+                    _acknowledgeMessage = button?.HandleOff(Controllable, noteMessage.Velocity);
+                }
             }
             else if (message is PitchWheelChangeMessage pitchWheelChangeMessage)
             {

Lib.Audio/Controls/Buttons/Button.cs

@@ -3,11 +3,28 @@
 // Copyright(c) 2021 SimonG. All Rights Reserved.
 
 using Lib.Audio.Controls.Buttons.Interfaces;
+using Lib.Audio.Interfaces;
+using Lib.Midi.Messages;
+using Lib.Midi.Messages.Interfaces;
 
 namespace Lib.Audio.Controls.Buttons
 {
-    public class Button : IButton
+    public class Button : IButton //TODO: Make abstract?
     {
+        private readonly int _channelNumber;
         
+        public Button(int noteNumber, int channelNumber)
+        {
+            NoteNumber = noteNumber;
+            _channelNumber = channelNumber;
+        }
+
+        public int NoteNumber { get; }
+        
+        public virtual IMidiMessage HandleOn(IControllable? controllable, int velocity) =>
+            new NoteOnMessage(0, _channelNumber, NoteNumber, velocity, 0);
+        
+        public virtual IMidiMessage HandleOff(IControllable? controllable, int velocity) => 
+            new NoteMessage(0, _channelNumber, NoteNumber, velocity);
     }
 }

Lib.Audio/Controls/Buttons/Factories/ButtonFactory.cs

@@ -9,9 +9,14 @@ namespace Lib.Audio.Controls.Buttons.Factories
 {
     public class ButtonFactory : IButtonFactory
     {
-        public IButton Create(XmlButton xmlButton)
+        public IButton Create(XmlButton xmlButton, int channelNumber)
         {
-            return new Button();
+            if (xmlButton.ButtonType == "Select")
+                return new SelectButton(xmlButton.NoteNumber, channelNumber);
+            else if (xmlButton.ButtonType == "Mute")
+                return new MuteButton(xmlButton.NoteNumber, channelNumber);
+            
+            return new Button(xmlButton.NoteNumber, channelNumber);
         }
     }
 }

Lib.Audio/Controls/Buttons/Factories/IButtonFactory.cs

@@ -9,6 +9,6 @@ namespace Lib.Audio.Controls.Buttons.Factories
 {
     public interface IButtonFactory
     {
-        IButton Create(XmlButton xmlButton);
+        IButton Create(XmlButton xmlButton, int channelNumber);
     }
 }

Lib.Audio/Controls/Buttons/Interfaces/IButton.cs

@@ -2,10 +2,16 @@
 // Created: 2021-04-07
 // Copyright(c) 2021 SimonG. All Rights Reserved.
 
+using Lib.Audio.Interfaces;
+using Lib.Midi.Messages.Interfaces;
+
 namespace Lib.Audio.Controls.Buttons.Interfaces
 {
     public interface IButton
     {
-        
+        int NoteNumber { get; }
+
+        IMidiMessage HandleOn(IControllable? controllable, int velocity);
+        IMidiMessage HandleOff(IControllable? controllable, int velocity);
     }
 }

Lib.Audio/Controls/Buttons/Interfaces/ISelectButton.cs

@@ -0,0 +1,11 @@
+// Author: Simon Gockner
+// Created: 2021-04-17
+// Copyright(c) 2021 SimonG. All Rights Reserved.
+
+namespace Lib.Audio.Controls.Buttons.Interfaces
+{
+    public interface ISelectButton : IButton
+    {
+        
+    }
+}

Lib.Audio/Controls/Buttons/MuteButton.cs

@@ -3,11 +3,29 @@
 // Copyright(c) 2021 SimonG. All Rights Reserved.
 
 using Lib.Audio.Controls.Buttons.Interfaces;
+using Lib.Audio.Interfaces;
+using Lib.Midi.Messages.Interfaces;
 
 namespace Lib.Audio.Controls.Buttons
 {
     public class MuteButton : Button, IMuteButton
     {
-        
+        public MuteButton(int noteNumber, int channelNumber)
+            : base(noteNumber, channelNumber)
+        {
+            
+        }
+
+        public override IMidiMessage HandleOn(IControllable? controllable, int velocity)
+        {
+            controllable?.Mute();
+            return base.HandleOn(controllable, velocity);
+        }
+
+        public override IMidiMessage HandleOff(IControllable? controllable, int velocity)
+        {
+            controllable?.UnMute();
+            return base.HandleOff(controllable, velocity);
+        }
     }
 }

Lib.Audio/Controls/Buttons/SelectButton.cs

@@ -0,0 +1,17 @@
+// Author: Simon Gockner
+// Created: 2021-04-17
+// Copyright(c) 2021 SimonG. All Rights Reserved.
+
+using Lib.Audio.Controls.Buttons.Interfaces;
+
+namespace Lib.Audio.Controls.Buttons
+{
+    public class SelectButton : Button, ISelectButton
+    {
+        public SelectButton(int noteNumber, int channelNumber)
+            : base(noteNumber, channelNumber)
+        {
+            
+        }
+    }
+}

Lib.Driver/Xml/XmlButton.cs

@@ -11,5 +11,8 @@ namespace Lib.Driver.Xml
     {
         [XmlAttribute("Type")]
         public string? ButtonType { get; set; }
+        
+        [XmlAttribute("Note")]
+        public int NoteNumber { get; set; }
     }
 }

Lib.Midi/Messages/NoteMessage.cs

@@ -12,9 +12,16 @@ namespace Lib.Midi.Messages
             : base(noteEvent)
         {
             
+        }
+
+        public NoteMessage(long absoluteTime, int channelNumber, int noteNumber, int velocity)
+            : base(new NoteEvent(absoluteTime, channelNumber, MidiCommandCode.NoteOff, noteNumber, velocity)) //TODO: don't always pass note off?
+        {
+            
         }
         
         private NoteEvent NoteEvent => (NoteEvent) _midiEvent;
         public int NoteNumber => NoteEvent.NoteNumber;
+        public int Velocity => NoteEvent.Velocity;
     }
 }

Lib.Midi/Messages/NoteOnMessage.cs

@@ -14,7 +14,14 @@ namespace Lib.Midi.Messages
             
         }
 
+        public NoteOnMessage(long absoluteTime, int channelNumber, int noteNumber, int velocity, int duration)
+            : base(new NoteOnEvent(absoluteTime, channelNumber, noteNumber, velocity, duration))
+        {
+            
+        }
+
         private NoteOnEvent NoteOnEvent => (NoteOnEvent) _midiEvent;
         public int NoteNumber => NoteOnEvent.NoteNumber;
+        public int Velocity => NoteOnEvent.Velocity;
     }
 }

Mystify/Installers/AudioInstaller.cs

@@ -31,6 +31,7 @@ namespace Mystify.Installers
             container.Register<IKnob, Knob>();
             container.Register<IButton, Button>();
             container.Register<IMuteButton, MuteButton>();
+            container.Register<ISelectButton, SelectButton>();
 
             //factories
             container.RegisterFactory<IDeviceFactory>();