private bool TryConvert(KeyInput keyInput, out Key key, out ModifierKeys modifierKeys)
{
if (AlternateKeyUtil.TrySpecialVimKeyToKey(keyInput.Key, out key))
{
var keyModifiers = keyInput.KeyModifiers;
modifierKeys = ModifierKeys.None;
if (KeyModifiers.Control == (keyModifiers & KeyModifiers.Control))
{
modifierKeys |= ModifierKeys.Control;
}
if (KeyModifiers.Shift == (keyModifiers & KeyModifiers.Shift))
{
modifierKeys |= ModifierKeys.Shift;
}
if (KeyModifiers.Alt == (keyModifiers & KeyModifiers.Alt))
{
modifierKeys |= ModifierKeys.Alt;
}
return(true);
}
if (keyInput.RawChar.IsSome())
{
uint virtualKey;
VirtualKeyModifiers virtualKeyModifiers;
if (_virtualKeyboard.TryMapChar(keyInput.Char, out virtualKey, out virtualKeyModifiers))
{
key = KeyInterop.KeyFromVirtualKey((int)virtualKey);
modifierKeys = ModifierKeys.None;
if (VirtualKeyModifiers.Control == (virtualKeyModifiers & VirtualKeyModifiers.Control))
{
modifierKeys |= ModifierKeys.Control;
}
if (VirtualKeyModifiers.Shift == (virtualKeyModifiers & VirtualKeyModifiers.Shift))
{
modifierKeys |= ModifierKeys.Shift;
}
if (VirtualKeyModifiers.Alt == (virtualKeyModifiers & VirtualKeyModifiers.Alt))
{
modifierKeys |= ModifierKeys.Alt;
}
return(true);
}
}
key = Key.None;
modifierKeys = ModifierKeys.None;
return(false);
}
private void BuildKeyInputData(Dictionary <char, KeyInput> map, KeyInput current)
{
if (current.Key == VimKey.Nop)
{
return;
}
uint virtualKey;
if (TrySpecialVimKeyToVirtualKey(current.Key, out virtualKey))
{
// This is a key for which we do direct virtual key mapping. Add it to the final
// map now. It's not depnedent upon the character that is generated by a given
// key stroke as are many of the items
var key = KeyInterop.KeyFromVirtualKey((int)virtualKey);
if (Key.None == key)
{
return;
}
var text = current.RawChar.IsSome()
? current.Char.ToString()
: String.Empty;
var keyState = new KeyState(key, ModifierKeys.None);
AddMapping(keyState, current, text);
}
else
{
// At this point we should have a char for all of the other inputs
Debug.Assert(current.RawChar.IsSome());
Debug.Assert(!map.ContainsKey(current.Char));
Debug.Assert(current.KeyModifiers == KeyModifiers.None || current.KeyModifiers == KeyModifiers.Control);
// Do a quick check to see if we have an extended shift state modifier in our midst.
VirtualKeyModifiers virtualKeyModifiers;
if (_virtualKeyboard.TryMapChar(current.Char, out virtualKey, out virtualKeyModifiers) &&
0 != (virtualKeyModifiers & VirtualKeyModifiers.Extended))
{
LookForOemModifiers(current.Char, virtualKey, virtualKeyModifiers);
}
map[current.Char] = current;
}
}