/**
* Assigns Modifier Key values keeping in mind their histories.
* Helpful it Ctrl+X was pressed but Ctrl key was released before X key.
*
*/
private KeyHookEventArgs CreateArgument(KeyHookEventArgs e)
{
bool alt = e.Alt;
bool ctrl = e.Control;
bool shift = e.Shift;
foreach (int key in this.modifierKeys)
{
switch ((Keys)key)
{
case Keys.LMenu:
case Keys.RMenu:
alt = true;
break;
case Keys.LShiftKey:
case Keys.RShiftKey:
shift = true;
break;
case Keys.LControlKey:
case Keys.RControlKey:
ctrl = true;
break;
}
}
return(new KeyHookEventArgs((uint)e.KeyValue, e.KeyChar, e.Injected, alt, ctrl, shift, e.CapsLock, e.NumLock, e.ScrollLock));
}
/// <summary>
/// The callback for the keyboard hook
/// </summary>
/// <param name="code">The hook code, if it isn't >= 0, the function shouldn't do anyting</param>
/// <param name="wParam">The event type</param>
/// <param name="lParam">The keyhook event information</param>
/// <returns></returns>
private IntPtr hookProc(int code, IntPtr wParam, ref NativeMethods.keyboardHookStruct lParam)
{
if (code >= 0)
{
Key key = KeyInterop.KeyFromVirtualKey(lParam.vkCode);
if (HookedKeys.Contains(key))
{
var wparam = wParam.ToInt64();
var args = new KeyHookEventArgs(key);
if ((wparam == NativeMethods.WM_KEYDOWN || wparam == NativeMethods.WM_SYSKEYDOWN) && (KeyDown != null))
{
KeyDown.Invoke(this, args);
}
else if ((wparam == NativeMethods.WM_KEYUP || wparam == NativeMethods.WM_SYSKEYUP) && (KeyUp != null))
{
KeyUp.Invoke(this, args);
}
if (args.Handled)
{
return(new IntPtr(1));
}
}
}
return(NativeMethods.CallNextHookEx(hhook, code, wParam, ref lParam));
}
public static Int32 Hook_Callback(Int32 code, Int32 wParam, ref keyboardHookStruct lParam)
{
if (code >= 0)
{
Key key = (Key)System.Windows.Input.KeyInterop.KeyFromVirtualKey(lParam.vkCode);
Boolean IsPressed = (wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN);
SetModifiers(key, IsPressed, lParam.vkCode);
if (HookedKeys.Contains(key))
{
KeyHookEventArgs kea = CreateEventArgs(key);
Boolean Handled = false;
if (IsPressed)
{
Handled = TriggerKeyDown(kea);
}
else
{
Handled = TriggerKeyUp(kea);
}
if (Handled)
{
return(1);
}
}
}
return(CallNextHookEx(Hook, code, wParam, ref lParam));
}
public static int Hook_Callback(int code, int wParam, ref keyboardHookStruct lParam)
{
if (code < 0)
{
return(CallNextHookEx(Hook, code, wParam, ref lParam));
}
var key = (Key)System.Windows.Input.KeyInterop.KeyFromVirtualKey(lParam.vkCode);
bool IsPressed = (wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN);
SetModifiers(key, IsPressed, lParam.vkCode);
if (!HookedKeys.Contains(key))
{
return(CallNextHookEx(Hook, code, wParam, ref lParam));
}
KeyHookEventArgs kea = CreateEventArgs(key);
var Handled = false;
Handled = IsPressed ? TriggerKeyDown(kea) : TriggerKeyUp(kea);
return(Handled ? 1 : CallNextHookEx(Hook, code, wParam, ref lParam));
}
bool onKey(KeyHookEventArgs e)
{
if (e.Key == Keys.PageUp)
{
active = !active;
this.Invalidate(false);
}
return(true);
}
public static Boolean TriggerKeyUp(KeyHookEventArgs args)
{
if (KeyUp != null)
{
return(KeyUp(args));
}
else
{
return(false);
}
}
public static bool TriggerKeyDown(KeyHookEventArgs args)
{
if (KeyDown != null)
{
return(KeyDown(args));
}
else
{
return(false);
}
}
public static byte[] GetEncodedData(EventClass eventClass, EventType type, HookArgs args, int[] pressedKeys = null, char pressedChar = '\0')
{
byte[] data = null;
using (MemoryStream ms = new MemoryStream())
{
ms.WriteByte(GetHeaderByte(eventClass, type, args));
if (eventClass == EventClass.MouseEvent)
{
MouseHookEventArgs me = args as MouseHookEventArgs;
ms.Write(BitConverter.GetBytes((ushort)me.Location.X), 0, 2);
ms.Write(BitConverter.GetBytes((ushort)me.Location.Y), 0, 2);
//ms.WriteByte((byte)me.Location.X);
//ms.WriteByte((byte)me.Location.Y);
//System.Windows.Forms.MouseButtons.Right;
ms.WriteByte((byte)((int)me.Button >> 20));
byte extra = 0;
switch (type)
{
case EventType.MouseClick:
case EventType.MouseDblClick:
extra = (byte)me.ClickCount;
break;
case EventType.MouseWheel:
extra = (byte)Math.Abs(me.ScrollAmount);
if (me.ScrollAmount < 0)
{
extra |= 0x80;
}
break;
}
ms.WriteByte(extra);
}
else
{
KeyHookEventArgs ke = args as KeyHookEventArgs;
byte[] pKeys = { 0, 0, 0 };
int len = Math.Min(3, pressedKeys.Length);
for (int i = 0; i < len; i++)
{
pKeys[i] = (byte)pressedKeys[i];
}
ms.Write(pKeys, 0, 3);
ms.WriteByte((byte)pressedChar);
}
data = ms.ToArray();
}
return(data);
}
void kh_KeyPressed(KeyHookEventArgs e)
{
// Will not receive CTRL+F6
// Only CTRL + Alphabet
if (!(e.KeyChar == '\0' || Char.IsControl(e.KeyChar)))
{
if (this.pressedChar != e.KeyChar) // If pressed CharKey is different then process. Avoids clutter.
{
this.pressedChar = e.KeyChar;
LogKeyCombo(e);
this.pressedKeys.Remove(e.KeyValue);
}
}
}
void kh_KeyDown(KeyHookEventArgs e)
{
if (this.IsModifierKey(e.KeyCode))
{
if (this.modifierKeys.IndexOf(e.KeyValue) < 0)
{
this.modifierKeys.Add(e.KeyValue);
}
}
else if (this.pressedKeys.IndexOf(e.KeyValue) < 0)
{
this.pressedKeys.Add(e.KeyValue);
}
}
// Called when a key is pressed or released regardless of form focus. etc.
public void OnKeyHook(object sender, KeyHookEventArgs e)
{
if (e.Key == Settings.Default.Audio_PTTKey)
{
if (e.KeyDown)
{
StartRecording();
}
else
{
recorder.StopRecording();
}
}
}
private void LogKeyCombo(KeyHookEventArgs e)
{
if (this.pressedKeys.Count != 0)
{
/*string _t = String.Format("[{0}]", String.Join(" + ", this.pressedKeys.ToArray()));
* if (this.pressedChar != '\0')
* {
* _t += this.pressedChar;
* this.pressedChar = '\0';
* }
* this.keyLog.Enqueue(_t);*/
this.keyLog.Enqueue(HookEventCodec.GetEncodedData(HookEventCodec.EventClass.KeyEvent, HookEventCodec.EventType.KeyPress, this.CreateArgument(e), this.pressedKeys.ToArray(), this.pressedChar));
}
}
/// <summary>
/// Processes the key event captured by the hook.
/// </summary>
private IntPtr HookCallback(
int nCode, IntPtr wParam, ref KBDLLHOOKSTRUCT lParam)
{
//Filter wParam for KeyUp events only
if (nCode >= 0)
{
var khargs = new KeyHookEventArgs(wParam, lParam);
var allow = AllowKey?.Invoke(khargs) != false;
KeyIntercepted?.Invoke(khargs, allow);
//If this key is being suppressed, return a dummy value
if (!allow)
{
return((IntPtr)1);
}
}
//Pass key to next application
return(NativeMethods.CallNextHookEx(hookID_, nCode, wParam, ref lParam));
}
void kh_KeyUp(KeyHookEventArgs e)
{
// Reset CharKey
if (this.pressedChar != '\0')
{
this.pressedKeys.Remove(((int)this.pressedChar - 32)); // Remove CharKey if present due to persistant press
this.pressedChar = '\0';
}
// Log Key
LogKeyCombo(e);
if (this.IsModifierKey(e.KeyCode))
{
this.modifierKeys.Remove(e.KeyValue);
}
else
{
this.pressedKeys.Remove(e.KeyValue);
}
}
private HookEventArgs[] DecodeHookEvents(Stream ls)
{
List <HookEventArgs> hookEvents = new List <HookEventArgs>();
MemoryStream ms = ls as MemoryStream;
HookEventCodec.EventClass ec;
HookEventCodec.EventType et;
HookEventArgs ha;
byte[] pressedKeys;
char pressedChar;
int offset = 0;
while (HookEventCodec.GetDecodedData(offset, ms.ToArray(), out ec, out et, out ha, out pressedKeys, out pressedChar))
{
if (ec == HookEventCodec.EventClass.MouseEvent)
{
ha = new MouseHookEventArgsEx(ha as MouseHookEventArgs, et);
offset += (int)HookEventCodec.Offsets.MouseLogOffset;
}
else
{
KeyHookEventArgs e = ha as KeyHookEventArgs;
List <System.Windows.Forms.Keys> pKeys = new List <System.Windows.Forms.Keys>();
foreach (byte b in pressedKeys)
{
if (b != 0)
{
pKeys.Add((System.Windows.Forms.Keys)b);
}
}
offset += (int)HookEventCodec.Offsets.KeyLogOffset;
ha = new KeyHookEventArgsEx(e, et, pKeys, pressedChar);
}
hookEvents.Add(ha);
}
return(hookEvents.ToArray());
}
public void DecodeEvent(int owner, byte[] data)
{
this._neuroLog.WriteFormat("Decode Event", "Owner: {0}\n\nData:\n{1}", owner, data);
HookEventCodec.EventClass ec;
HookEventCodec.EventType et;
HookEventArgs ea;
byte[] _b;
char _c;
HookEventCodec.GetDecodedData(0, data, out ec, out et, out ea, out _b, out _c);
if (ec == HookEventCodec.EventClass.KeyEvent)
{
KeyHookEventArgs ke = ea as KeyHookEventArgs;
switch (et)
{
case HookEventCodec.EventType.KeyDown:
//Log.WriteLine("[KeyDown]->" + ke.KeyCode);
this._neuroLog.WriteFormat("Key Down", "Key Code: {0}", ke.KeyCode);
this._ki.KeyDown(ke.KeyCode);
break;
case HookEventCodec.EventType.KeyPress:
//Log.WriteLine("[KeyPress]->" + ke.KeyCode);
this._neuroLog.WriteFormat("Key Press", "Key Code: {0}", ke.KeyCode);
this._ki.KeyPress(ke.KeyCode, ke.Alt, ke.Control, ke.Shift);
break;
case HookEventCodec.EventType.KeyUp:
//Log.WriteLine("[KeyUp]->" + ke.KeyCode);
this._neuroLog.WriteFormat("Key Up", "Key Code: {0}", ke.KeyCode);
this._ki.KeyUp(ke.KeyCode);
break;
}
}
else if (ec == HookEventCodec.EventClass.MouseEvent)
{
MouseHookEventArgs me = ea as MouseHookEventArgs;
KeyHookEventArgs ke = ea as KeyHookEventArgs;
switch (et)
{
case HookEventCodec.EventType.MouseClick:
//Log.WriteLine("[Click]");
this._neuroLog.WriteFormat("Mouse Click", "Button: {0}\nCount: {1}", me.Button, me.ClickCount);
this._mi.MouseClick(me.Button, me.ClickCount);
break;
case HookEventCodec.EventType.MouseDoubleClick:
//Log.WriteLine("[DoubleClick]");
this._neuroLog.WriteFormat("Mouse Double Click", "Button: {0}", me.Button);
this._mi.MouseDoubleClick(me.Button);
break;
case HookEventCodec.EventType.MouseDown:
//Log.WriteLine("[MouseDown]");
this._neuroLog.WriteFormat("Mouse Down", "Button: {0}", me.Button);
this._mi.MouseDown(me.Button);
break;
case HookEventCodec.EventType.MouseMove:
//int x = (int)(System.Windows.Forms.Screen.PrimaryScreen.Bounds.Width * (me.Location.X / Math.Pow(10, this.NormalizedPrecisionFactor)));
//int y = (int)(System.Windows.Forms.Screen.PrimaryScreen.Bounds.Height * (me.Location.Y / Math.Pow(10, this.NormalizedPrecisionFactor)));
int x = (int)(System.Windows.Forms.Screen.PrimaryScreen.Bounds.Width * ((ushort)me.Location.X / 65535.0f));
int y = (int)(System.Windows.Forms.Screen.PrimaryScreen.Bounds.Height * ((ushort)me.Location.Y / 65535.0f));
//this._neuroLog.WriteFormat("Mouse Move", "Normalized Location: {0}, {1}\nClient Location: {2}, {3}", me.Location.X, me.Location.Y, x, y);
//Log.WriteLine(String.Format("{0} -> {1}, {2} -> {3}", (ushort)me.Location.X, x, (ushort)me.Location.Y, y));
/*using (StreamWriter sw = new StreamWriter("log.txt",true))
* {
* sw.WriteLine(String.Format("[{0},{1}] | {2}, {3}", me.Location.X.ToString(), me.Location.Y.ToString(), x.ToString(), y.ToString()));
* }*/
this._mi.MouseMove(x, y);
break;
case HookEventCodec.EventType.MouseUp:
//Log.WriteLine("[MouseUp]");
this._neuroLog.WriteFormat("Mouse Up", "Button: {0}", me.Button);
this._mi.MouseUp(me.Button);
break;
case HookEventCodec.EventType.MouseWheel:
//Log.WriteLine("[Scroll]");
this._neuroLog.WriteFormat("Mouse Scroll", "Amount: {0}", me.ScrollAmount);
this._mi.MouseScroll(me.ScrollAmount);
break;
}
}
}
public static Boolean TriggerKeyUp(KeyHookEventArgs args)
{
if (KeyUp != null)
return KeyUp(args);
else return false;
}
public static bool TriggerKeyUp(KeyHookEventArgs args)
{
return KeyUp != null && KeyUp(args);
}
public static bool TriggerKeyDown(KeyHookEventArgs args)
{
return KeyDown != null && KeyDown(args);
}
/// <summary>
/// The callback for the keyboard hook
/// </summary>
/// <param name="code">The hook code, if it isn't >= 0, the function shouldn't do anyting</param>
/// <param name="wParam">The event type</param>
/// <param name="lParam">The keyhook event information</param>
/// <returns></returns>
private IntPtr hookProc(int code, IntPtr wParam, ref NativeMethods.keyboardHookStruct lParam)
{
if (code >= 0)
{
Key key = KeyInterop.KeyFromVirtualKey(lParam.vkCode);
if (HookedKeys.Contains(key))
{
var wparam = wParam.ToInt64();
var args = new KeyHookEventArgs(key);
if ((wparam == NativeMethods.WM_KEYDOWN || wparam == NativeMethods.WM_SYSKEYDOWN) && (KeyDown != null))
{
KeyDown.Invoke(this, args);
}
else if ((wparam == NativeMethods.WM_KEYUP || wparam == NativeMethods.WM_SYSKEYUP) && (KeyUp != null))
{
KeyUp.Invoke(this, args);
}
if (args.Handled)
return new IntPtr(1);
}
}
return NativeMethods.CallNextHookEx(hhook, code, wParam, ref lParam);
}
public static bool TriggerKeyDown(KeyHookEventArgs args)
{
if (KeyDown != null)
return KeyDown(args);
else return false;
}
public static bool TriggerKeyUp(KeyHookEventArgs args)
{
return(KeyUp != null && KeyUp(args));
}
public static bool GetDecodedData(int offset, byte[] data, out EventClass eventClass, out EventType type, out HookArgs args, out byte[] pressedKeys, out char pressedChar)
{
using (MemoryStream ms = new MemoryStream(data))
{
// Set Offset
ms.Position = offset;
// Assign
pressedKeys = null;
pressedChar = '\0';
eventClass = EventClass.None;
type = EventType.None;
args = null;
// Check
if (ms.Position < ms.Length)
{
FromHeaderByte((byte)ms.ReadByte(), out eventClass, out type, out args);
pressedKeys = new byte[3] {
0, 0, 0
};
if (eventClass == EventClass.MouseEvent)
{
//int x = ms.ReadByte();
//int y = ms.ReadByte();
byte[] loc = new byte[2];
ms.Read(loc, 0, 2);
int x = BitConverter.ToInt16(loc, 0);
ms.Read(loc, 0, 2);
int y = BitConverter.ToInt16(loc, 0);
System.Windows.Forms.MouseButtons button = System.Windows.Forms.MouseButtons.None;
switch (ms.ReadByte())
{
case 1:
button = System.Windows.Forms.MouseButtons.Left;
break;
case 2:
button = System.Windows.Forms.MouseButtons.Right;
break;
case 4:
button = System.Windows.Forms.MouseButtons.Middle;
break;
case 8:
button = System.Windows.Forms.MouseButtons.XButton1;
break;
case 16:
button = System.Windows.Forms.MouseButtons.XButton2;
break;
}
int extra = ms.ReadByte();
int click = 0;
int scroll = 0;
switch (type)
{
case EventType.MouseClick:
case EventType.MouseDblClick:
click = extra;
break;
case EventType.MouseWheel:
if ((extra & 0x80) == 0x80)
{
scroll = -1;
}
else
{
scroll = 1;
}
extra &= 0x7F;
scroll = scroll * extra * 120; //Delta
break;
}
args = new MouseHookEventArgs(false, button, click, x, y, scroll, args.Alt, args.Control, args.Shift, args.CapsLock, args.NumLock, args.ScrollLock);
}
else
{
ms.Read(pressedKeys, 0, 3);
pressedChar = (char)ms.ReadByte();
args = new KeyHookEventArgs(pressedKeys[0], pressedChar, false, args.Alt, args.Control, args.Shift, args.CapsLock, args.NumLock, args.ScrollLock);
}
return(true);
}
}
return(false);
}
private void OnKeyUp(object sender, KeyHookEventArgs keyEventArgs)
{
Debug.WriteLine(string.Format("OnKeyUp(sender: {0}, keyEventArgs: {1})", sender, keyEventArgs));
if (LogKeyPresses) KeyPresses.Insert(0, keyEventArgs.Key.ToString());
if (keyEventArgs.Key == VirtualKey.MEDIA_PLAY_PAUSE && _callStatus == TCallStatus.clsRinging)
{
foreach (Call activeCall in _skype.ActiveCalls)
{
if (activeCall.Status == TCallStatus.clsRinging)
{
activeCall.Answer();
}
}
}
if (keyEventArgs.Key == VirtualKey.MEDIA_PLAY_PAUSE && _callStatus == TCallStatus.clsInProgress)
{
var muted = ((ISkype) _skype).Mute;
muted = !muted; // Toggle muted state
((ISkype)_skype).Mute = muted;
SetTrayIcon(muted);
return;
}
if (keyEventArgs.Key == VirtualKey.MEDIA_STOP)
{
foreach (Call call in _skype.ActiveCalls)
{
call.Finish();
}
}
}
