Gestion des evenements Midi

DMX-2.0/Conduite.cs

@@ -41,7 +41,7 @@ namespace DMX2
 			Pause = false;
 
 
-			midip = new MidiEventProvider();
+			midip = new MidiEventProvider(eventManager);
 		}
 
 		EventManager eventManager = new EventManager();
@@ -175,8 +175,6 @@ namespace DMX2
 			TimeSpan deltaT = tickTime - dernierTick;
 			dernierTick = tickTime;
 
-			midip.Process();
-
 			if (!Pause) {
 
 				/*	if (deltaT > TimeSpan.FromMilliseconds (15))
@@ -212,6 +210,8 @@ namespace DMX2
 				// Cette fonction retourne quasi immédiatement, même si il y'a beaucoup a faire sur l'affichage
 			}
 
+			EventManager.ProcessEvents();
+
 			if(tickTime - derniereMaj > TimeSpan.FromMilliseconds(50)){
 				MainWindow.Win.ScheduleUpdate();
 				derniereMaj = DateTime.Now;

DMX-2.0/ContextMenuHelper.cs

@@ -0,0 +1,90 @@
+using System;
+using Gdk;
+using GLib;
+using Gtk;
+
+namespace DMX2
+{
+	public class ContextMenuEventArgs : EventArgs
+	{
+		private Widget widget;
+
+		public Widget Widget { get { return widget; } }
+
+		private bool rightClick;
+
+		public bool RightClick { get { return rightClick; } }
+
+		public ContextMenuEventArgs (Widget widget, bool rightClick)
+		{
+			this.widget = widget;
+			this.rightClick = rightClick;
+		}
+	}
+
+	public class ContextMenuHelper
+	{
+		public event EventHandler<ContextMenuEventArgs> ContextMenu;
+
+		public ContextMenuHelper ()
+		{
+		}
+
+		public ContextMenuHelper (Widget widget)
+		{
+			AttachToWidget (widget);
+		}
+
+		public ContextMenuHelper (Widget widget, EventHandler<ContextMenuEventArgs>  handler)
+		{
+			AttachToWidget (widget);
+			ContextMenu += handler;
+		}
+
+		public void AttachToWidget (Widget widget)
+		{
+			widget.PopupMenu += Widget_PopupMenu;
+			widget.ButtonPressEvent += Widget_ButtonPressEvent;
+		}
+
+		public void DetachFromWidget (Widget widget)
+		{
+			widget.PopupMenu -= Widget_PopupMenu;
+			widget.ButtonPressEvent -= Widget_ButtonPressEvent;
+		}
+
+		[GLib.ConnectBefore]
+		private void Widget_PopupMenu (object o, PopupMenuArgs args)
+		{
+			RaiseContextMenuEvent (args, (Widget)o, false);
+		}
+
+		[GLib.ConnectBefore]
+		private void Widget_ButtonPressEvent (object o, ButtonPressEventArgs args)
+		{
+			if (args.Event.Button == 3 && args.Event.Type == EventType.ButtonPress) {
+				RaiseContextMenuEvent (args, (Widget)o, true);
+			}
+		}
+
+		private bool propagating = false;   //Prevent reentry
+
+		private void RaiseContextMenuEvent (SignalArgs signalArgs, Widget widget, bool rightClick)
+		{
+			if (!propagating) {
+//Propagate the event
+				Event evnt = Gtk.Global.CurrentEvent;
+				propagating = true;
+				Gtk.Global.PropagateEvent (widget, evnt);
+				propagating = false;
+				signalArgs.RetVal = true;     //The widget already processed the event in the propagation
+
+//Raise the context menu event
+				ContextMenuEventArgs args = new ContextMenuEventArgs (widget, rightClick);
+				if (ContextMenu != null) {
+					ContextMenu.Invoke (this, args);
+				}
+			}
+		}
+	}
+}

DMX-2.0/DMX-2.0.csproj

@@ -105,6 +105,7 @@
     <Compile Include="EventManager.cs" />
     <Compile Include="MidiEventProvider.cs" />
     <Compile Include="MidiEventProvider.PInvoke.cs" />
+    <Compile Include="ContextMenuHelper.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ProjectExtensions>

DMX-2.0/EventManager.cs

@@ -13,10 +13,11 @@ namespace DMX2
 	public interface IEventProvider
 	{
 		string MenuName{ get; }
-		string[] GetEventList();		
+		ICollection<string>  GetEventList();		
 		bool Bind (string eventId, IEventTarget target);
 		void Unbind (string eventId, IEventTarget target);
-		Gtk.Menu GetProviderSubMenu( Gtk.ButtonPressEventHandler handler );
+		Gtk.Menu GetProviderSubMenu( EventManager.EventMenuData state, Gtk.ButtonPressEventHandler handler );
+		void ProcessEvents();
 	}
 
 	public interface IEventTarget
@@ -26,6 +27,9 @@ namespace DMX2
 
 	public class EventManager
 	{
+		static public object StateKey = new object();
+		static public object EventIdKey = new object();
+
 		class eventBinding
 		{
 			private eventBinding(){}
@@ -51,28 +55,57 @@ namespace DMX2
 		{
 			providers.Add (prov);
 
-			List<string> evList = new List<string>(prov.GetEventList());
+			//List<string> evList = new List<string>(prov.GetEventList());
 
 			foreach (eventBinding b in bindings) {
-				if(b.provider == null && evList.Contains(b.id))
+				if(b.provider == null)
 				{
-					prov.Bind(b.id,b.target);
+					if(prov.Bind(b.id,b.target))
 						b.provider = prov;
 				}
 			}
 
 		}
 
-		public Gtk.Menu GetMenu ( Gtk.ButtonPressEventHandler handler )
-		{
-			Gtk.Menu menu = new Gtk.Menu();
+		public delegate void EventMenuCallBack(object state, string eventId);
+		public class EventMenuData {
+			public EventMenuCallBack CallBack;
+			public object state;
+		}
 
+		public Gtk.Menu GetMenu (object state, EventMenuCallBack callback)
+		{
+			Gtk.Menu menu = new Gtk.Menu ();
+			EventMenuData evd = new EventMenuData();
+			evd.CallBack = callback;
+			evd.state = state;
+
+			Gtk.ButtonPressEventHandler handler = new Gtk.ButtonPressEventHandler (HandleButtonPressEvent);
+
+			foreach (IEventProvider prov in providers) {
+				Gtk.MenuItem provitem = new Gtk.MenuItem(prov.MenuName);
+				provitem.Submenu = prov.GetProviderSubMenu(evd, handler);
+				menu.Add(provitem);
+			}
 
 			return menu;
 
 		}
 
+		void HandleButtonPressEvent (object o, Gtk.ButtonPressEventArgs args)
+		{
+			Gtk.MenuItem item = o as Gtk.MenuItem;
+			EventMenuData evd = item.Data[EventManager.StateKey] as EventMenuData;
+			string id = item.Data[EventManager.EventIdKey] as string;
+			evd.CallBack(evd.state,id);
+		}
 
+		public void ProcessEvents ()
+		{
+			foreach (IEventProvider prov in providers) {
+				prov.ProcessEvents();
+			}
+		}
 
 		public void UnregisterProvider (IEventProvider prov)
 		{

DMX-2.0/MidiEventProvider.cs

@@ -1,36 +1,53 @@
 using System;
 using System.Runtime.InteropServices;
+using System.Collections.Generic;
 
 namespace DMX2
 {
 	public partial class MidiEventProvider : IEventProvider, IDisposable 
 	{
 
-		IntPtr midi_seq_handle = IntPtr.Zero;
-		int midiport;
+		class internalEvent {
+			public string internalName;
+			public string description;
+			List<IEventTarget> boundTargets=null;
 
-		public MidiEventProvider ()
+			public internalEvent(string _id, string _desc)
+			{
+				internalName=_id;
+				description=_desc;
+			}
+			public bool HasTargets {
+				get {
+					return boundTargets==null?false:boundTargets.Count>0;
+				}
+			}
+			public List<IEventTarget> BoundTargets {
+				get {
+					if(boundTargets==null) boundTargets = new List<IEventTarget>();
+					return boundTargets;
+				}
+			}
+		}
+
+		Dictionary<string,internalEvent> eventlist = new Dictionary<string, internalEvent>();
+
+
+
+		IntPtr midi_seq_handle = IntPtr.Zero;
+
+
+		public MidiEventProvider (EventManager manager)
 		{
 			snd_seq_open(out midi_seq_handle, "default",SND_SEQ_OPEN_DUPLEX,0);
 			snd_seq_set_client_name(midi_seq_handle,"DMX2");
-			midiport = snd_seq_create_simple_port(midi_seq_handle,"dmx_ctrl",
+			snd_seq_create_simple_port(midi_seq_handle,"dmx_ctrl",
 			                                      SND_SEQ_PORT_CAP_WRITE + SND_SEQ_PORT_CAP_SUBS_WRITE, 
 			                                      SND_SEQ_PORT_TYPE_APPLICATION);
 
-			Info.Publish(string.Format("Midi port {0}",midiport));
+			manager.RegisterProvider(this);
 		}
 
-		public void Process ()
-		{
-			int i; IntPtr ev;
-			while ((i = snd_seq_event_input_pending(midi_seq_handle,1))>0) {
-				//Console.WriteLine(i);
-				i=snd_seq_event_input(midi_seq_handle, out ev);
-				snd_seq_event_t evS =(snd_seq_event_t) Marshal.PtrToStructure(ev,typeof(snd_seq_event_t));
-				Info.Publish(string.Format ("event {0} {1}", evS.type, evS.data_ev_ctrl.value) );
-				snd_seq_free_event(ev);
-			}
-		}
 
 		#region IDisposable implementation
 		public void Dispose ()
@@ -39,30 +56,110 @@ namespace DMX2
 		}
 		#endregion
 
+
 		#region IEventProvider implementation
-		string[] IEventProvider.GetEventList ()
+		ICollection<string> IEventProvider.GetEventList ()
 		{
-			throw new System.NotImplementedException ();
+			return eventlist.Keys;
 		}
 
 		bool IEventProvider.Bind (string eventId, IEventTarget target)
 		{
-			throw new System.NotImplementedException ();
+			if (!eventlist.ContainsKey (eventId)) {
+				// TODO : check if non received yet midi event...
+				return false;
+			}
+			eventlist[eventId].BoundTargets.Add(target);
+			return true;
 		}
 
 		void IEventProvider.Unbind (string eventId, IEventTarget target)
 		{
-			throw new System.NotImplementedException ();
+			if (!eventlist.ContainsKey (eventId)) return;
+			eventlist[eventId].BoundTargets.Remove(target);
+			return;
 		}
 
-		Gtk.Menu IEventProvider.GetProviderSubMenu (Gtk.ButtonPressEventHandler handler)
+		Gtk.Menu IEventProvider.GetProviderSubMenu (EventManager.EventMenuData state, Gtk.ButtonPressEventHandler handler)
 		{
-			throw new System.NotImplementedException ();
+			Gtk.Menu retmenu = new Gtk.Menu ();
+			//Gtk.MenuItem evmenuitem = new Gtk.MenuItem ("Events");
+			//retmenu.Add (evmenuitem);
+			Gtk.Menu evmenu = retmenu ;// new Gtk.Menu ();
+			//evmenuitem.Submenu = evmenu;
+
+			List<string> sortedKeys = new List<string>(eventlist.Keys);
+			sortedKeys.Sort();
+
+			foreach ( string key in sortedKeys ) {
+				internalEvent evt= eventlist[key];
+				Gtk.MenuItem item = new Gtk.MenuItem(evt.description);
+				item.Data[EventManager.EventIdKey] = evt.internalName;
+				item.Data[EventManager.StateKey] = state;
+				item.ButtonPressEvent += handler;
+				evmenu.Add (item);
+			}
+
+			return retmenu;
+
+		}
+
+		void IEventProvider.ProcessEvents ()
+		{
+			int ret; IntPtr evPtr;
+			while ((ret = snd_seq_event_input_pending(midi_seq_handle,1))>0) {
+				ret=snd_seq_event_input(midi_seq_handle, out evPtr);
+				snd_seq_event_t evS =(snd_seq_event_t) Marshal.PtrToStructure(evPtr,typeof(snd_seq_event_t));
+				snd_seq_free_event(evPtr);
+
+				string id=null, description=null; int value=0;
+
+				switch (evS.type) {
+				case snd_seq_event_type_t.SND_SEQ_EVENT_CONTROLLER:
+					id= string.Format("MIDI-CTRL-C{0}P{1}",evS.data_ev_ctrl.channel,evS.data_ev_ctrl.param);
+					description = string.Format("Controller Ch {0} Param {1}",evS.data_ev_ctrl.channel,evS.data_ev_ctrl.param);
+					value = 255 * evS.data_ev_ctrl.value / 127;
+					break;
+				case snd_seq_event_type_t.SND_SEQ_EVENT_NOTEON:
+					id= string.Format("MIDI-NOTE-C{0}N{1}",evS.data_ev_note.channel, evS.data_ev_note.note );
+					description = string.Format("Note {1} Ch {0}",evS.data_ev_note.channel, evS.data_ev_note.note );
+					value = 255 ;
+					break;
+				case snd_seq_event_type_t.SND_SEQ_EVENT_NOTEOFF:
+					id= string.Format("MIDI-NOTE-C{0}N{1}",evS.data_ev_note.channel, evS.data_ev_note.note );
+					description = string.Format("Note {1} Ch {0}",evS.data_ev_note.channel, evS.data_ev_note.note );
+					value = 0; 
+					break;
+
+				//TODO : Regarder si d'autres controles interessants.
+				default:
+						id= null;
+						Info.Publish(string.Format ("event {0}", evS.type) );
+					break;
+				}
+
+				if(id!=null)
+				{
+					if(!eventlist.ContainsKey(id))
+						eventlist.Add(id,new internalEvent(id,description));
+					else{
+						if(eventlist[id].HasTargets)
+						{
+							EventData evData = new EventData();
+							evData.id = id;
+							evData.value = (byte)value;
+							foreach( IEventTarget t in eventlist[id].BoundTargets)
+								t.FireEvent(evData);
+						}
+					}
+				}
+
+			}
 		}
 
 		string IEventProvider.MenuName {
 			get {
-				throw new System.NotImplementedException ();
+				return "Midi";
 			}
 		}
 		#endregion

DMX-2.0/SeqLinUI.cs

@@ -32,6 +32,8 @@ namespace DMX2
 			}
 		}
 
+
+
 		void OnRenameItemButtonPressed (object o, ButtonPressEventArgs args)
 		{
 			var dlg = new Dialog ("Nouveau Nom ?", GetAncestor(Gtk.Window.GType) as Gtk.Window , DialogFlags.Modal); var entry = new Entry (sequenceur.Name);
@@ -241,6 +243,21 @@ namespace DMX2
 			return tirette;
 		}
 
+		void TirettePopup (object sender, ContextMenuEventArgs e)
+		{
+			Circuit c  = e.Widget.Data[circuitKey] as Circuit;
+			Menu m = Conduite.Courante.EventManager.GetMenu(c,new EventManager.EventMenuCallBack(TirettePopupEnd));
+			m.ShowAll();
+			m.Popup();
+		}
+
+		void TirettePopupEnd (object state, string eventId)
+		{
+			Circuit c = state as Circuit;
+			sequenceur.BindEvent(c,eventId);
+			Console.WriteLine("{0} bound to {1}", c, eventId );
+		}
+
 		static Label NouveauLabel ()
 		{
 			Label l = new Label();
@@ -286,6 +303,7 @@ namespace DMX2
 				tirette.Show();
 				tirette.ValueChanged += TiretteActionee;
 				tirette.Data.Add(circuitKey,c);
+				new ContextMenuHelper(tirette, new EventHandler<ContextMenuEventArgs>(TirettePopup));
 				tirette.TooltipText = c.Name;
 
 

DMX-2.0/SequenceurLineaire.cs

@@ -362,6 +362,29 @@ namespace DMX2
 			}
 		}
 
+		private class circEvTarget : IEventTarget{
+			Circuit c; SequenceurLineaire seq;
+			public circEvTarget(SequenceurLineaire _seq, Circuit _c){
+				c=_c;
+				seq=_seq;
+			}
+			#region IEventTarget implementation
+			bool IEventTarget.FireEvent (EventData data)
+			{
+				seq.ChangeValeur(c,data.value);
+				return true;
+			}
+			#endregion
+
+		}
+
+		public void BindEvent (Circuit c, string eventId)
+		{
+			// TODO : plein de trucs
+
+			Conduite.Courante.EventManager.Bind(eventId,new circEvTarget(this,c));
+		}
+		                                                
 		public override void Save (System.Xml.XmlElement parent)
 		{
 			System.Xml.XmlElement el = parent.OwnerDocument.CreateElement ("SequenceurLineaire");