public override bool KeyPress(KeyDescriptor descriptor)
{
// generic mode escape handler
if (
(descriptor.ModifierKeys == 0 && descriptor.SpecialKey == SpecialKey.Escape) ||
(descriptor.ModifierKeys == ModifierKeys.Control && descriptor.KeyChar == '[') ||
(descriptor.ModifierKeys == ModifierKeys.Control && descriptor.KeyChar == 'c'))
{
_currentMode.Deactivate();
_currentMode = _requestedMode = _normalMode;
_currentMode.Activate();
return false;
}
var pass = _currentMode.KeyPress (descriptor);
var newMode = _currentMode.RequestedMode;
if (newMode == ViMode.Normal)
_requestedMode = _normalMode;
else if (newMode == ViMode.Insert)
_requestedMode = _insertMode;
else if (newMode == ViMode.Visual)
_requestedMode = _visualMode;
if (_requestedMode != _currentMode)
{
_currentMode.RequestedMode = ViMode.None;
_currentMode.Deactivate();
_requestedMode.Activate();
_currentMode = _requestedMode;
}
return pass && base.KeyPress(descriptor);
}
protected override void Initialize()
{
_normalMode = new NormalEditMode(Editor);
_insertMode = new InsertEditMode(Editor);
_visualMode = new VisualEditMode(Editor);
// start in normal mode
_currentMode = _requestedMode = _normalMode;
_currentMode.Activate();
}