86 lines
2.5 KiB
C#
86 lines
2.5 KiB
C#
using System.Diagnostics.Contracts;
|
|
// ==++==
|
|
//
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|
//
|
|
// ==--==
|
|
/*=============================================================================
|
|
**
|
|
** Class: ConsoleKeyInfo
|
|
**
|
|
**
|
|
** Purpose: This value type represents a single key press, with modifier keys
|
|
** like Alt, Control, and Shift.
|
|
**
|
|
**
|
|
=============================================================================*/
|
|
|
|
namespace System {
|
|
[Serializable]
|
|
public struct ConsoleKeyInfo {
|
|
private char _keyChar;
|
|
private ConsoleKey _key;
|
|
private ConsoleModifiers _mods;
|
|
|
|
public ConsoleKeyInfo(char keyChar, ConsoleKey key, bool shift, bool alt, bool control) {
|
|
// Limit ConsoleKey values to 0 to 255, but don't check whether the
|
|
// key is a valid value in our ConsoleKey enum. There are a few
|
|
// values in that enum that we didn't define, and reserved keys
|
|
// that might start showing up on keyboards in a few years.
|
|
if (((int)key) < 0 || ((int)key) > 255)
|
|
throw new ArgumentOutOfRangeException("key", Environment.GetResourceString("ArgumentOutOfRange_ConsoleKey"));
|
|
Contract.EndContractBlock();
|
|
|
|
_keyChar = keyChar;
|
|
_key = key;
|
|
_mods = 0;
|
|
if (shift)
|
|
_mods |= ConsoleModifiers.Shift;
|
|
if (alt)
|
|
_mods |= ConsoleModifiers.Alt;
|
|
if (control)
|
|
_mods |= ConsoleModifiers.Control;
|
|
}
|
|
|
|
public char KeyChar {
|
|
get { return _keyChar; }
|
|
}
|
|
|
|
public ConsoleKey Key {
|
|
get { return _key; }
|
|
}
|
|
|
|
public ConsoleModifiers Modifiers {
|
|
get { return _mods; }
|
|
}
|
|
|
|
public override bool Equals(Object value)
|
|
{
|
|
if (value is ConsoleKeyInfo)
|
|
return Equals((ConsoleKeyInfo)value);
|
|
else
|
|
return false;
|
|
}
|
|
|
|
public bool Equals(ConsoleKeyInfo obj)
|
|
{
|
|
return obj._keyChar == _keyChar && obj._key == _key && obj._mods == _mods;
|
|
}
|
|
|
|
public static bool operator ==(ConsoleKeyInfo a, ConsoleKeyInfo b)
|
|
{
|
|
return a.Equals(b);
|
|
}
|
|
|
|
public static bool operator !=(ConsoleKeyInfo a, ConsoleKeyInfo b)
|
|
{
|
|
return !(a == b);
|
|
}
|
|
|
|
public override int GetHashCode()
|
|
{
|
|
return (int)_keyChar | (int) _mods;
|
|
}
|
|
}
|
|
}
|