public static string ToGestureString(this ConsoleKeyInfo key)
{
var useKeyEnum = key.IgnoreKeyChar();
var mods = key.Modifiers;
var sb = new StringBuilder();
var isShift = (mods & ConsoleModifiers.Shift) != 0;
var isCtrl = (mods & ConsoleModifiers.Control) != 0;
var isAlt = (mods & ConsoleModifiers.Alt) != 0;
if (useKeyEnum && isShift)
{
sb.Append("Shift");
}
if (isCtrl)
{
if (sb.Length > 0)
{
sb.Append("+");
}
sb.Append("Ctrl");
}
if (isAlt)
{
if (sb.Length > 0)
{
sb.Append("+");
}
sb.Append("Alt");
}
if (sb.Length > 0)
{
sb.Append("+");
}
if (useKeyEnum)
{
sb.Append(key.Key);
}
else
{
var c = key.NormalizeKeyChar();
string s;
switch (c)
{
case ' ': s = "Space"; break;
case '\x1b': s = "Escape"; break;
case '\x1c': s = "\\"; break;
case '\x1d': s = "]"; break;
case '\x1f': s = "_"; break;
case '\x7f': s = "Backspace"; break;
// 'Ctrl+h' is represented as (keychar: 0x08, key: 0, mods: Control). In the case of 'Ctrl+h',
// we don't want the keychar to be interpreted as 'Backspace'.
case '\x08' when !isCtrl:
s = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? "Backspace" : "Ctrl+Backspace";
break;
case char _ when c <= 26:
s = ((char)((isShift ? 'A' : 'a') + c - 1)).ToString();
break;
default:
s = c.ToString();
break;
}
sb.Append(s);
}
return(sb.ToString());
}
public static string ToGestureString(this ConsoleKeyInfo key)
{
var useKeyEnum = key.IgnoreKeyChar();
var mods = key.Modifiers;
var sb = new StringBuilder();
if (useKeyEnum && (mods & ConsoleModifiers.Shift) != 0)
{
sb.Append("Shift");
}
if ((mods & ConsoleModifiers.Control) != 0)
{
if (sb.Length > 0)
{
sb.Append("+");
}
sb.Append("Ctrl");
}
if ((mods & ConsoleModifiers.Alt) != 0)
{
if (sb.Length > 0)
{
sb.Append("+");
}
sb.Append("Alt");
}
if (sb.Length > 0)
{
sb.Append("+");
}
if (useKeyEnum)
{
sb.Append(key.Key);
}
else
{
var c = key.NormalizeKeyChar();
string s;
switch (c)
{
case ' ': s = "Space"; break;
case '\x1b': s = "Escape"; break;
case '\x1c': s = "\\"; break;
case '\x1d': s = "]"; break;
case '\x1f': s = "_"; break;
case '\x7f': s = "Backspace"; break;
case '\x08':
s = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? "Backspace" : "Ctrl+Backspace";
break;
case char _ when c <= 26:
s = ((char)('a' + c - 1)).ToString();
break;
default:
s = c.ToString();
break;
}
sb.Append(s);
}
return(sb.ToString());
}