public static string ToGestureString(this ConsoleKeyInfo key)
{
var mods = key.Modifiers;
var sb = new StringBuilder();
if (key.Modifiers.HasFlag(ConsoleModifiers.Control))
{
sb.Append("Ctrl");
}
if (key.Modifiers.HasFlag(ConsoleModifiers.Alt))
{
if (sb.Length > 0)
{
sb.Append("+");
}
sb.Append("Alt");
}
char c = ConsoleKeyChordConverter.GetCharFromConsoleKey(key.Key,
(mods & ConsoleModifiers.Shift) != 0 ? ConsoleModifiers.Shift : 0);
if (char.IsControl(c) || char.IsWhiteSpace(c))
{
if (key.Modifiers.HasFlag(ConsoleModifiers.Shift))
{
if (sb.Length > 0)
{
sb.Append("+");
}
sb.Append("Shift");
}
if (sb.Length > 0)
{
sb.Append("+");
}
sb.Append(key.Key);
}
else
{
if (sb.Length > 0)
{
sb.Append("+");
}
sb.Append(c);
}
return(sb.ToString());
}
private void SetKeyHandlerInternal(string[] keys, Action <ConsoleKeyInfo?, object> handler, string briefDescription, string longDescription, ScriptBlock scriptBlock)
{
foreach (var key in keys)
{
var chord = ConsoleKeyChordConverter.Convert(key);
if (chord.Length == 1)
{
_dispatchTable[chord[0]] = MakeKeyHandler(handler, briefDescription, longDescription, scriptBlock);
}
else
{
_dispatchTable[chord[0]] = MakeKeyHandler(Chord, "ChordFirstKey");
if (!_chordDispatchTable.TryGetValue(chord[0], out var secondDispatchTable))
{
secondDispatchTable = new Dictionary <ConsoleKeyInfo, KeyHandler>(ConsoleKeyInfoComparer.Instance);
_chordDispatchTable[chord[0]] = secondDispatchTable;
}
secondDispatchTable[chord[1]] = MakeKeyHandler(handler, briefDescription, longDescription, scriptBlock);
}
}
}
private void RemoveKeyHandlerInternal(string[] keys)
{
foreach (var key in keys)
{
var chord = ConsoleKeyChordConverter.Convert(key);
if (chord.Length == 1)
{
_dispatchTable.Remove(chord[0]);
}
else
{
if (_chordDispatchTable.TryGetValue(chord[0], out var secondDispatchTable))
{
secondDispatchTable.Remove(chord[1]);
if (secondDispatchTable.Count == 0)
{
_dispatchTable.Remove(chord[0]);
}
}
}
}
}
/// <summary>
/// Return key handlers bound to specified chords.
/// </summary>
/// <returns></returns>
public static IEnumerable <PowerShell.KeyHandler> GetKeyHandlers(string[] Chord)
{
var boundFunctions = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
if (Chord == null || Chord.Length == 0)
{
yield break;
}
foreach (string Key in Chord)
{
ConsoleKeyInfo[] consoleKeyChord = ConsoleKeyChordConverter.Convert(Key);
PSKeyInfo firstKey = PSKeyInfo.FromConsoleKeyInfo(consoleKeyChord[0]);
if (_singleton._dispatchTable.TryGetValue(firstKey, out KeyHandler entry))
{
if (consoleKeyChord.Length == 1)
{
yield return(new PowerShell.KeyHandler
{
Key = firstKey.KeyStr,
Function = entry.BriefDescription,
Description = entry.LongDescription,
Group = GetDisplayGrouping(entry.BriefDescription),
});
}
else
{
PSKeyInfo secondKey = PSKeyInfo.FromConsoleKeyInfo(consoleKeyChord[1]);
if (_singleton._chordDispatchTable.TryGetValue(firstKey, out var secondDispatchTable) &&
secondDispatchTable.TryGetValue(secondKey, out entry))
{
yield return(new PowerShell.KeyHandler
{
Key = firstKey.KeyStr + "," + secondKey.KeyStr,
Function = entry.BriefDescription,
Description = entry.LongDescription,
Group = GetDisplayGrouping(entry.BriefDescription),
});
}
}
}
// If in Vi mode, also check Vi's command mode list.
if (_singleton._options.EditMode == EditMode.Vi)
{
if (_viCmdKeyMap.TryGetValue(firstKey, out entry))
{
if (consoleKeyChord.Length == 1)
{
if (entry.BriefDescription == "Ignore")
{
continue;
}
yield return(new PowerShell.KeyHandler
{
Key = "<" + firstKey.KeyStr + ">",
Function = entry.BriefDescription,
Description = entry.LongDescription,
Group = GetDisplayGrouping(entry.BriefDescription),
});
}
else
{
PSKeyInfo secondKey = PSKeyInfo.FromConsoleKeyInfo(consoleKeyChord[1]);
if (_viCmdChordTable.TryGetValue(firstKey, out var secondDispatchTable) &&
secondDispatchTable.TryGetValue(secondKey, out entry))
{
if (entry.BriefDescription == "Ignore")
{
continue;
}
yield return(new PowerShell.KeyHandler
{
Key = "<" + firstKey.KeyStr + "," + secondKey.KeyStr + ">",
Function = entry.BriefDescription,
Description = entry.LongDescription,
Group = GetDisplayGrouping(entry.BriefDescription),
});
}
}
}
}
}
}
public ConsoleKeyInfo AsConsoleKeyInfo()
{
return(ConsoleKeyChordConverter.Convert(KeyStr)[0]);
}