private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (!Enabled)
{
return(IntPtr.Zero);
}
//For LocalHotKeys, determine if modifiers Alt, Shift and Control is pressed.
Microsoft.VisualBasic.Devices.Keyboard UserKeyBoard = new Microsoft.VisualBasic.Devices.Keyboard();
bool AltPressed = UserKeyBoard.AltKeyDown;
bool ControlPressed = UserKeyBoard.CtrlKeyDown;
bool ShiftPressed = UserKeyBoard.ShiftKeyDown;
ModifierKeys LocalModifier = ModifierKeys.None;
if (AltPressed)
{
LocalModifier = ModifierKeys.Alt;
}
if (ControlPressed)
{
LocalModifier |= ModifierKeys.Control;
}
if (ShiftPressed)
{
LocalModifier |= ModifierKeys.Shift;
}
switch ((KeyboardMessages)msg)
{
case (KeyboardMessages.WmSyskeydown):
case (KeyboardMessages.WmKeydown):
Keys keydownCode = (Keys)(int)wParam;
if (KeyPressEvent != null)
{
KeyPressEvent(this, new HotKeyEventArgs(keydownCode, LocalModifier, RaiseLocalEvent.OnKeyDown));
}
//Check if a chord has started.
if (InChordMode)
{
//Check if the Key down is a modifier, we'll have to wait for a real key.
switch (keydownCode)
{
case Keys.Control:
case Keys.ControlKey:
case Keys.LControlKey:
case Keys.RControlKey:
case Keys.Shift:
case Keys.ShiftKey:
case Keys.LShiftKey:
case Keys.RShiftKey:
case Keys.Alt:
case Keys.Menu:
case Keys.LMenu:
case Keys.RMenu:
case Keys.LWin:
return(IntPtr.Zero);
}
ChordHotKey ChordMain = ChordHotKeyContainer.Find
(
delegate(ChordHotKey cm)
{
return((cm.BaseKey == PreChordKey) && (cm.BaseModifier == PreChordModifier) && (cm.ChordKey == keydownCode) && (cm.ChordModifier == LocalModifier));
}
);
if (ChordMain != null)
{
ChordMain.RaiseOnHotKeyPressed();
if (ChordPressed != null && ChordMain.Enabled == true)
{
ChordPressed(this, new ChordHotKeyEventArgs(ChordMain));
}
InChordMode = false;
return(IntPtr.Zero);
}
InChordMode = false;
new Microsoft.VisualBasic.Devices.Computer().Audio.PlaySystemSound(System.Media.SystemSounds.Exclamation);
return(IntPtr.Zero);
}
//Check for a LocalHotKey.
LocalHotKey KeyDownHotkey = LocalHotKeyContainer.Find
(
delegate(LocalHotKey d)
{
return((d.Key == keydownCode) && (d.Modifier == LocalModifier) &&
(d.WhenToRaise == RaiseLocalEvent.OnKeyDown));
}
);
if (KeyDownHotkey != null)
{
KeyDownHotkey.RaiseOnHotKeyPressed();
if (LocalHotKeyPressed != null && KeyDownHotkey.Enabled == true)
{
LocalHotKeyPressed(this, new LocalHotKeyEventArgs(KeyDownHotkey));
}
return(IntPtr.Zero);
}
//Check for ChordHotKeys.
ChordHotKey ChordBase = ChordHotKeyContainer.Find
(
delegate(ChordHotKey c)
{
return((c.BaseKey == keydownCode) && (c.BaseModifier == LocalModifier));
}
);
if (ChordBase != null)
{
PreChordKey = ChordBase.BaseKey;
PreChordModifier = ChordBase.BaseModifier;
var e = new PreChordHotKeyEventArgs(new LocalHotKey(ChordBase.Name, ChordBase.BaseModifier, ChordBase.BaseKey));
if (ChordStarted != null)
{
ChordStarted(this, e);
}
InChordMode = !e.HandleChord;
return(IntPtr.Zero);
}
InChordMode = false;
return(IntPtr.Zero);
case (KeyboardMessages.WmSyskeyup):
case (KeyboardMessages.WmKeyup):
Keys keyupCode = (Keys)(int)wParam;
if (KeyPressEvent != null)
{
KeyPressEvent(this, new HotKeyEventArgs(keyupCode, LocalModifier, RaiseLocalEvent.OnKeyDown));
}
LocalHotKey KeyUpHotkey = LocalHotKeyContainer.Find
(
delegate(LocalHotKey u)
{
return((u.Key == keyupCode) && (u.Modifier == LocalModifier) &&
(u.WhenToRaise == RaiseLocalEvent.OnKeyUp));
}
);
if (KeyUpHotkey != null)
{
KeyUpHotkey.RaiseOnHotKeyPressed();
if (LocalHotKeyPressed != null && KeyUpHotkey.Enabled == true)
{
LocalHotKeyPressed(this, new LocalHotKeyEventArgs(KeyUpHotkey));
}
return(IntPtr.Zero);
}
return(IntPtr.Zero);
case KeyboardMessages.WmHotKey:
GlobalHotKey Pressed = GlobalHotKeyContainer.Find
(
delegate(GlobalHotKey g)
{
return(g.Id == (int)wParam);
}
);
Pressed.RaiseOnHotKeyPressed();
if (GlobalHotKeyPressed != null)
{
GlobalHotKeyPressed(this, new GlobalHotKeyEventArgs(Pressed));
}
break;
}
return(IntPtr.Zero);
}
