public override bool OnKeyboardEvent(KeyboardEvent keyboardevent)
{
if (!Enabled || !HasFocus)
{
return(false);
}
if (keyboardevent.type == KeyboardEventType.InputKey)
{
var inputKeyEvent = (InputKeyEvent)keyboardevent;
if (inputKeyEvent.Ch == '\r' && enterkeycallback != null)
{
enterkeycallback(this);
}
if (inputKeyEvent.Ctrl)
{
if (inputKeyEvent.Ch == 'c' || inputKeyEvent.Ch == 'C')
{
CopyToClipboard(GetHighlightedRegion());
}
else if (inputKeyEvent.Ch == 'V' || inputKeyEvent.Ch == 'v')
{
var ch = CopyFromClipboard();
if (!string.IsNullOrEmpty(ch))
{
if (highlight_start >= 0)
{
var highlightStart = highlight_start;
DeleteHighlightedRegion();
textline.AddStringAt(ch, highlightStart);
}
else
{
textline.AddStringAt(ch, cursor);
}
}
}
else if (inputKeyEvent.Ch == 'X' || inputKeyEvent.Ch == 'x')
{
CopyToClipboard(GetHighlightedRegion());
DeleteHighlightedRegion();
}
}
else
{
DeleteHighlightedRegion();
if (inputKeyEvent.Ch == '\r' || inputKeyEvent.Ch == '\n')
{
OnControlMsg(this, ControlMsg.ENTERHIT, 0.0f, 0.0f);
}
else if (inputKeyEvent.Ch == '\b')
{
if (cursor > 0)
{
textline.DeleteAt(cursor - 1);
}
this.onbackspace?.Invoke(this);
if (cursor > 0)
{
--cursor;
}
}
else if (MAX_CHARS <= 0 || MAX_CHARS > textline.GetSize())
{
var ch = inputKeyEvent.Ch;
if (CAPS)
{
ch = char.ToUpper(ch);
}
textline.AddCharAt(ch, cursor);
this.onnewtext?.Invoke(this);
++cursor;
}
}
return(true);
}
if (keyboardevent.type == KeyboardEventType.CommandKey)
{
var commandKeyEvent = (CommandKeyEvent)keyboardevent;
if (commandKeyEvent.Key == KeyboardCommandKey.Left)
{
if (cursor > 0)
{
if (commandKeyEvent.Shift)
{
if (highlight_start < 0 || highlight_end == highlight_start)
{
highlight_end = cursor;
highlight_start = --cursor;
}
else if (cursor == highlight_end)
{
highlight_end = --cursor;
}
else
{
highlight_start = --cursor;
}
}
else
{
--cursor;
}
}
if (!commandKeyEvent.Shift)
{
CancelHighlight();
}
}
else if (commandKeyEvent.Key == KeyboardCommandKey.Right)
{
if (cursor < Text.Length)
{
if (commandKeyEvent.Shift)
{
if (highlight_start < 0 || highlight_end == highlight_start)
{
highlight_start = cursor;
highlight_end = ++cursor;
}
else if (cursor == highlight_start)
{
highlight_start = ++cursor;
}
else
{
highlight_end = ++cursor;
}
}
else
{
++cursor;
}
}
if (!commandKeyEvent.Shift)
{
CancelHighlight();
}
}
else if (commandKeyEvent.Key == KeyboardCommandKey.Delete)
{
if (highlight_start >= 0)
{
DeleteHighlightedRegion();
}
else if (cursor < Text.Length)
{
textline.DeleteAt(cursor);
}
}
else if (commandKeyEvent.Key == KeyboardCommandKey.Home)
{
if (!commandKeyEvent.Shift)
{
CancelHighlight();
}
else if (Text.Length > 0 && cursor > 0)
{
if (highlight_start < 0)
{
highlight_end = cursor;
}
else if (cursor > highlight_start)
{
highlight_end = highlight_start;
}
highlight_start = 0;
}
cursor = 0;
}
else if (commandKeyEvent.Key == KeyboardCommandKey.End)
{
if (!commandKeyEvent.Shift)
{
CancelHighlight();
}
else if (Text.Length > 0 && cursor < Text.Length)
{
if (highlight_start < 0)
{
highlight_start = cursor;
}
else if (cursor < highlight_end)
{
highlight_start = highlight_end;
}
highlight_end = Text.Length;
}
cursor = Text.Length;
}
}
return(base.OnKeyboardEvent(keyboardevent));
}