private void KeydownEventHandler(object sender, IControlHtmlEventArgs e)
{
if (!Enabled)
{
return;
}
LogTo.Debug("Handling key down");
var ev = e?.EventObj;
if (ev == null)
{
return;
}
if (CurrentPopup == null || !CurrentPopup.IsOpen())
{
return;
}
var info = new HtmlKeyInfo(ev);
if (info.Key == Keys.None)
{
return;
}
if (info.Key == Keys.Escape)
{
CurrentPopup?.Hide();
ev.returnValue = false;
}
else if ((info.Key == Keys.Up && info.Modifiers == KeyModifiers.None) ||
(info.Key == Keys.K && info.Modifiers == KeyModifiers.Ctrl))
{
CurrentPopup?.SelectPreviousItem();
ev.returnValue = false;
}
else if ((info.Key == Keys.Down && info.Modifiers == KeyModifiers.None) ||
(info.Key == Keys.J && info.Modifiers == KeyModifiers.Ctrl))
{
CurrentPopup?.SelectNextItem();
ev.returnValue = false;
}
else if ((info.Key == Keys.Right && info.Modifiers == KeyModifiers.None) ||
info.Key == Keys.Tab)
{
CurrentPopup?.InsertSelectedItem();
ev.returnValue = false;
}
}
private void HandleKeyUp(HtmlKeyInfo info)
{
if (!Enabled)
{
return;
}
if (info.Key == Keys.None || info.Modifiers != KeyModifiers.None || info.Key == Keys.Escape)
{
return;
}
if ((info.Key == Keys.Up) ||
info.Key == Keys.Right ||
info.Key == Keys.Down ||
(info.Key == Keys.J && info.Modifiers == KeyModifiers.Ctrl) ||
(info.Key == Keys.K && info.Modifiers == KeyModifiers.Ctrl))
{
LogTo.Debug("KeyUp: Ignoring because it was an arrow key.");
return;
}
else if (info.Key == Keys.Escape)
{
LogTo.Debug("KeyUp: Escape pressed, closing popup");
CurrentPopup?.Hide();
return;
}
var selObj = ContentUtils.GetSelectionObject();
if (selObj == null || !string.IsNullOrEmpty(selObj.text))
{
return;
}
var lastWord = ContentUtils.GetLastPartialWord(selObj);
if (lastWord == null || string.IsNullOrEmpty(lastWord))
{
CurrentPopup?.Hide();
return;
}
var matches = CurrentSuggestions.GetWords(lastWord);
if (matches == null || !matches.Any())
{
CurrentPopup?.Hide();
return;
}
if (matches.Count() == 1 && matches.First() == lastWord)
{
CurrentPopup?.Hide();
return;
}
if (CurrentPopup == null)
{
ShowNewAutocompleteWdw(matches, lastWord);
}
else
{
CurrentPopup?.Show(matches, lastWord);
}
}