/// <summary>
/// Parse string hotkey to KeyModifiers and Virtual Key
///
/// c# 7.0 tuples is better, but is not available on .net 4.5
/// without nuget package
///
/// NOTE: Update to System.ValueTuple
/// </summary>
/// <param name="hotkey">String key to parse</param>
/// <returns></returns>
public static Tuple <NativeMethods.KeyModifiers, Keys> ParseHotkey(string hotkey)
{
NativeMethods.KeyModifiers modifier = NativeMethods.KeyModifiers.None;
Keys key = Keys.None;
var stringKeys = hotkey.Split(new string[] { " + " }, StringSplitOptions.RemoveEmptyEntries);
foreach (var stringKey in stringKeys)
{
if (stringKey == Keys.Control.ToString() || stringKey == "Ctrl")
{
modifier |= NativeMethods.KeyModifiers.Control;
}
else if (stringKey == Keys.Shift.ToString())
{
modifier |= NativeMethods.KeyModifiers.Shift;
}
else if (stringKey == Keys.Alt.ToString())
{
modifier |= NativeMethods.KeyModifiers.Alt;
}
else if (stringKey == Keys.LWin.ToString())
{
modifier |= NativeMethods.KeyModifiers.Win;
}
}
key = (Keys) new KeysConverter().ConvertFromString(stringKeys.Last());
return(Tuple.Create(modifier, key));
}
public Hotkey Register(IntPtr window, NativeMethods.KeyModifiers modifiers, uint key)
{
var result = new Hotkey(window, _nextId, modifiers, key);
_registeredHotkeys.Add(_nextId, result);
IncrementNextId();
return(result);
}
public static string HotkeyString(NativeMethods.KeyModifiers modifiers, Keys key)
{
var modifier = string.Join(" + ", HotkeyModifierStrings(modifiers));
if (modifier == "")
{
return(modifier);
}
return(modifier + " + " + KeyToString(key));
}
private static IEnumerable <string> HotkeyModifierStrings(NativeMethods.KeyModifiers modifiers)
{
if ((modifiers & NativeMethods.KeyModifiers.Control) == NativeMethods.KeyModifiers.Control)
{
yield return("Ctrl");
}
if ((modifiers & NativeMethods.KeyModifiers.Alt) == NativeMethods.KeyModifiers.Alt)
{
yield return("Alt");
}
if ((modifiers & NativeMethods.KeyModifiers.Shift) == NativeMethods.KeyModifiers.Shift)
{
yield return("Shift");
}
}
public Hotkey(IntPtr window, int id, NativeMethods.KeyModifiers modifiers, uint key)
{
_window = window;
Id = id;
NativeMethods.RegisterHotKey(window, id, modifiers, key);
}
