/trunk/WingMan/Bindings/KeyBinding.cs |
@@ -0,0 +1,48 @@ |
using System; |
using System.Collections.Generic; |
using System.Linq; |
|
namespace WingMan.Bindings |
{ |
public class KeyBinding : IEquatable<KeyBinding> |
{ |
public KeyBinding() |
{ |
} |
|
public KeyBinding(string name, List<string> keys) : this() |
{ |
Name = name; |
Keys = keys; |
} |
|
public string DisplayName => $"{Name} ({string.Join(" + ", Keys.ToArray())})"; |
|
public string Name { get; set; } = string.Empty; |
|
public List<string> Keys { get; set; } = new List<string>(); |
|
public bool Equals(KeyBinding other) |
{ |
if (ReferenceEquals(null, other)) return false; |
if (ReferenceEquals(this, other)) return true; |
return string.Equals(Name, other.Name) && Keys.SequenceEqual(other.Keys); |
} |
|
public override bool Equals(object obj) |
{ |
if (ReferenceEquals(null, obj)) return false; |
if (ReferenceEquals(this, obj)) return true; |
if (obj.GetType() != GetType()) return false; |
return Equals((KeyBinding) obj); |
} |
|
public override int GetHashCode() |
{ |
unchecked |
{ |
return ((Name != null ? Name.GetHashCode() : 0) * 397) ^ (Keys != null ? Keys.GetHashCode() : 0); |
} |
} |
} |
} |
/trunk/WingMan/Bindings/KeyBindingsSynchronizer.cs |
@@ -0,0 +1,103 @@ |
using System; |
using System.Collections.Concurrent; |
using System.Collections.Generic; |
using System.IO; |
using System.Linq; |
using System.Threading; |
using System.Threading.Tasks; |
using MQTTnet; |
using WingMan.Communication; |
|
namespace WingMan.Bindings |
{ |
public class KeyBindingsSynchronizer : IDisposable |
{ |
public delegate void MouseKeyBindingsSynchronized(object sender, KeyBindingsSynchronizerEventArgs e); |
|
public KeyBindingsSynchronizer(LocalKeyBindings localKeyBindings, MqttCommunication mqttCommunication, |
TaskScheduler taskScheduler, CancellationToken cancellationToken) |
{ |
LocalKeyBindings = localKeyBindings; |
MqttCommunication = mqttCommunication; |
CancellationToken = cancellationToken; |
TaskScheduler = taskScheduler; |
|
SynchronizedMouseKeyBindings = new ConcurrentDictionary<string, List<KeyBinding>>(); |
|
MqttCommunication.OnMessageReceived += MqttCommunicationOnMessageReceived; |
|
Task.Run(PeriodicSynchronize, CancellationToken); |
} |
|
private LocalKeyBindings LocalKeyBindings { get; } |
|
private ConcurrentDictionary<string, List<KeyBinding>> SynchronizedMouseKeyBindings { get; } |
|
private MqttCommunication MqttCommunication { get; } |
|
private CancellationToken CancellationToken { get; } |
private TaskScheduler TaskScheduler { get; } |
|
public void Dispose() |
{ |
MqttCommunication.OnMessageReceived -= MqttCommunicationOnMessageReceived; |
} |
|
public event MouseKeyBindingsSynchronized OnMouseKeyBindingsSynchronized; |
|
private async void MqttCommunicationOnMessageReceived(object sender, |
MqttApplicationMessageReceivedEventArgs e) |
{ |
if (e.ApplicationMessage.Topic != "exchange") |
return; |
|
using (var memoryStream = new MemoryStream(e.ApplicationMessage.Payload)) |
{ |
memoryStream.Position = 0L; |
|
var mouseKeyBindingsExchange = |
(KeyBindingExchange) KeyBindingExchange.XmlSerializer.Deserialize(memoryStream); |
|
// Do not add own bindings. |
if (string.Equals(mouseKeyBindingsExchange.Nick, MqttCommunication.Nick)) |
return; |
|
if (SynchronizedMouseKeyBindings.TryGetValue(mouseKeyBindingsExchange.Nick, out var mouseKeyBinding) && |
mouseKeyBinding.SequenceEqual(mouseKeyBindingsExchange.KeyBindings)) |
return; |
|
await Task.Delay(0) |
.ContinueWith( |
_ => OnMouseKeyBindingsSynchronized?.Invoke(sender, |
new KeyBindingsSynchronizerEventArgs( |
mouseKeyBindingsExchange)), |
CancellationToken, TaskContinuationOptions.None, TaskScheduler); |
|
// Nick does not exist so the bindings will be added. |
SynchronizedMouseKeyBindings.AddOrUpdate(mouseKeyBindingsExchange.Nick, |
mouseKeyBindingsExchange.KeyBindings, (s, list) => mouseKeyBindingsExchange.KeyBindings); |
} |
} |
|
private async Task PeriodicSynchronize() |
{ |
do |
{ |
await Task.Delay(1000, CancellationToken); |
|
if (!MqttCommunication.Running) |
continue; |
|
using (var memoryStream = new MemoryStream()) |
{ |
KeyBindingExchange.XmlSerializer.Serialize(memoryStream, |
new KeyBindingExchange(MqttCommunication.Nick, LocalKeyBindings.Bindings)); |
|
memoryStream.Position = 0L; |
|
await MqttCommunication.Broadcast("exchange", memoryStream.ToArray()); |
} |
} while (!CancellationToken.IsCancellationRequested); |
} |
} |
} |
/trunk/WingMan/Bindings/KeyInterceptor.cs |
@@ -0,0 +1,155 @@ |
using System; |
using System.Collections.Specialized; |
using System.IO; |
using System.Linq; |
using System.Threading; |
using System.Threading.Tasks; |
using System.Threading.Tasks.Dataflow; |
using System.Windows.Forms; |
using Gma.System.MouseKeyHook; |
using WingMan.Communication; |
using WingMan.Utilities; |
|
namespace WingMan.Bindings |
{ |
public class KeyInterceptor : IDisposable |
{ |
public delegate void MouseKeyBindingMatched(object sender, KeyBindingMatchedEventArgs args); |
|
private volatile bool ProcessPipe; |
|
public KeyInterceptor(RemoteKeyBindings remoteKeyBindings, MqttCommunication mqttCommunication, |
TaskScheduler taskScheduler, CancellationToken cancellationToken) |
{ |
DataFlowSemaphoreSlim = new SemaphoreSlim(1, 1); |
|
RemoteKeyBindings = remoteKeyBindings; |
RemoteKeyBindings.Bindings.CollectionChanged += OnRemoteKeyBindingsChanged; |
|
MqttCommunication = mqttCommunication; |
TaskScheduler = taskScheduler; |
CancellationToken = cancellationToken; |
|
MouseKeyGloalHook = Hook.GlobalEvents(); |
MouseKeyGloalHook.KeyUp += MouseKeyGloalHookOnKeyUp; |
MouseKeyGloalHook.KeyDown += MouseKeyGloalHookOnKeyDown; |
} |
|
private BatchBlock<string> KeyComboBatchBlock { get; set; } |
|
private ActionBlock<string[]> KeyComboActionBlock { get; set; } |
|
private IDisposable KeyComboDataFlowLink { get; set; } |
|
private SemaphoreSlim DataFlowSemaphoreSlim { get; } |
|
private RemoteKeyBindings RemoteKeyBindings { get; } |
private MqttCommunication MqttCommunication { get; } |
private TaskScheduler TaskScheduler { get; } |
private CancellationToken CancellationToken { get; } |
|
private IKeyboardMouseEvents MouseKeyGloalHook { get; set; } |
|
public void Dispose() |
{ |
MouseKeyGloalHook.KeyUp -= MouseKeyGloalHookOnKeyUp; |
MouseKeyGloalHook.KeyDown -= MouseKeyGloalHookOnKeyDown; |
RemoteKeyBindings.Bindings.CollectionChanged -= OnRemoteKeyBindingsChanged; |
|
KeyComboDataFlowLink?.Dispose(); |
KeyComboDataFlowLink = null; |
|
MouseKeyGloalHook?.Dispose(); |
MouseKeyGloalHook = null; |
} |
|
private async void OnRemoteKeyBindingsChanged(object sender, NotifyCollectionChangedEventArgs e) |
{ |
await DataFlowSemaphoreSlim.WaitAsync(CancellationToken); |
|
try |
{ |
// Break the link and dispose it. |
KeyComboDataFlowLink?.Dispose(); |
KeyComboDataFlowLink = null; |
|
// Create a sliding window of size equal to the longest key combination. |
var maxKeyComboLength = RemoteKeyBindings.Bindings.Max(binding => binding.Keys.Count); |
|
KeyComboBatchBlock = |
new BatchBlock<string>(maxKeyComboLength); |
KeyComboActionBlock = new ActionBlock<string[]>(ProcessKeyCombos, |
new ExecutionDataflowBlockOptions {CancellationToken = CancellationToken}); |
KeyComboDataFlowLink = KeyComboBatchBlock.LinkTo(KeyComboActionBlock); |
} |
finally |
{ |
DataFlowSemaphoreSlim.Release(); |
} |
} |
|
private async Task ProcessKeyCombos(string[] keys) |
{ |
await DataFlowSemaphoreSlim.WaitAsync(CancellationToken); |
|
try |
{ |
if (!ProcessPipe) |
return; |
|
foreach (var binding in RemoteKeyBindings.Bindings) |
{ |
if (!keys.SubsetEquals(binding.Keys)) |
continue; |
|
// Raise the match event. |
await Task.Delay(0, CancellationToken) |
.ContinueWith( |
_ => OnMouseKeyBindingMatched?.Invoke(this, |
new KeyBindingMatchedEventArgs(binding.Nick, binding.Name, binding.Keys)), |
CancellationToken, |
TaskContinuationOptions.None, TaskScheduler); |
|
using (var memoryStream = new MemoryStream()) |
{ |
ExecuteKeyBinding.XmlSerializer.Serialize(memoryStream, |
new ExecuteKeyBinding(binding.Nick, binding.Name)); |
|
memoryStream.Position = 0L; |
|
await MqttCommunication.Broadcast("execute", memoryStream.ToArray()); |
} |
} |
} |
finally |
{ |
DataFlowSemaphoreSlim.Release(); |
} |
} |
|
public event MouseKeyBindingMatched OnMouseKeyBindingMatched; |
|
private async void MouseKeyGloalHookOnKeyDown(object sender, KeyEventArgs e) |
{ |
ProcessPipe = true; |
|
if (!KeyConversion.KeysToString.TryGetValue((byte) e.KeyCode, out var key)) |
return; |
|
await DataFlowSemaphoreSlim.WaitAsync(CancellationToken); |
try |
{ |
if (KeyComboBatchBlock != null) await KeyComboBatchBlock.SendAsync(key, CancellationToken); |
} |
finally |
{ |
DataFlowSemaphoreSlim.Release(); |
} |
} |
|
private void MouseKeyGloalHookOnKeyUp(object sender, KeyEventArgs e) |
{ |
ProcessPipe = false; |
} |
} |
} |
/trunk/WingMan/Bindings/KeySimulator.cs |
@@ -0,0 +1,92 @@ |
using System; |
using System.IO; |
using System.Threading; |
using System.Threading.Tasks; |
using MQTTnet; |
using SimWinInput; |
using WingMan.Communication; |
using WingMan.Utilities; |
|
namespace WingMan.Bindings |
{ |
public class KeySimulator : IDisposable |
{ |
public delegate void MouseKeyBindingExecuting(object sender, KeyBindingExecutingEventArgs args); |
|
public KeySimulator(LocalKeyBindings localLocalKeyBindings, MqttCommunication mqttCommunication, |
TaskScheduler formTaskScheduler, CancellationToken cancellationToken) |
{ |
LocalLocalKeyBindings = localLocalKeyBindings; |
MqttCommunication = mqttCommunication; |
TaskScheduler = formTaskScheduler; |
CancellationToken = cancellationToken; |
|
MqttCommunication.OnMessageReceived += OnMqttMessageReceived; |
} |
|
private MqttCommunication MqttCommunication { get; } |
private TaskScheduler TaskScheduler { get; } |
private CancellationToken CancellationToken { get; } |
private LocalKeyBindings LocalLocalKeyBindings { get; } |
|
public void Dispose() |
{ |
MqttCommunication.OnMessageReceived -= OnMqttMessageReceived; |
} |
|
public event MouseKeyBindingExecuting OnMouseKeyBindingExecuting; |
|
private async void OnMqttMessageReceived(object sender, MqttApplicationMessageReceivedEventArgs e) |
{ |
if (e.ApplicationMessage.Topic != "execute") |
return; |
|
using (var memoryStream = new MemoryStream(e.ApplicationMessage.Payload)) |
{ |
var executeMouseKeyBinding = |
(ExecuteKeyBinding) ExecuteKeyBinding.XmlSerializer.Deserialize(memoryStream); |
|
// Do not process own mouse key bindings. |
if (!string.Equals(executeMouseKeyBinding.Nick, MqttCommunication.Nick, StringComparison.Ordinal)) |
return; |
|
await Task.Delay(0, CancellationToken) |
.ContinueWith( |
_ => OnMouseKeyBindingExecuting?.Invoke(sender, |
new KeyBindingExecutingEventArgs(executeMouseKeyBinding.Nick, |
executeMouseKeyBinding.Name)), |
CancellationToken, |
TaskContinuationOptions.None, TaskScheduler); |
|
Simulate(executeMouseKeyBinding); |
} |
} |
|
private void Simulate(ExecuteKeyBinding executeBinding) |
{ |
foreach (var localBinding in LocalLocalKeyBindings.Bindings) |
{ |
if (!string.Equals(localBinding.Name, executeBinding.Name, StringComparison.Ordinal)) |
continue; |
|
// Press |
foreach (var key in localBinding.Keys) |
{ |
if (!KeyConversion.StringToKeys.TryGetValue(key, out var pressKey)) |
continue; |
|
SimKeyboard.KeyDown(pressKey); |
} |
|
// Depress |
foreach (var key in localBinding.Keys) |
{ |
if (!KeyConversion.StringToKeys.TryGetValue(key, out var pressKey)) |
continue; |
|
SimKeyboard.KeyUp(pressKey); |
} |
} |
} |
} |
} |