/// <summary>Constructor.</summary>
public LabelEx()
{
_parsed = EggsML.Parse("");
DoubleBuffered = true;
SetStyle(ControlStyles.FixedHeight, false);
SetStyle(ControlStyles.ResizeRedraw, true);
SetStyle(ControlStyles.SupportsTransparentBackColor, true);
// Set default properties
TabStop = false;
AutoSize = true;
LinkColor = SystemColors.HotTrack;
LinkActiveColor = Color.Red;
}
/// <summary>Override; see base.</summary>
protected override void OnTextChanged(EventArgs e)
{
// If a link has focus, trigger the LinkLostFocus event.
// OnPaint will trigger the LinkGotFocus event as appropriate
_keyboardFocusOnLink = null;
_cachedPreferredSizes.Clear();
_cachedRendering = null;
base.OnTextChanged(e);
_mnemonic = '\0';
TabStop = false;
var origText = base.Text;
try
{
_parsed = EggsML.Parse(origText);
ParseError = null;
// We know there are no mnemonics or links in the exception message, so only do this if there was no parse error
extractMnemonicEtc(_parsed);
}
catch (EggsMLParseException epe)
{
ParseError = epe;
var msg = "";
int ind = 0;
if (epe.FirstIndex != null)
{
ind = epe.FirstIndex.Value;
msg += EggsML.Escape(origText.Substring(0, ind));
msg += "<Red>={0}=".Fmt(EggsML.Escape(origText.Substring(ind, 1)));
ind++;
}
msg += EggsML.Escape(origText.Substring(ind, epe.Index - ind));
ind = epe.Index;
if (epe.Length > 0)
{
msg += "<Red>={0}=".Fmt(EggsML.Escape(origText.Substring(ind, epe.Length)));
ind += epe.Length;
}
msg += "<Red>= ← (" + EggsML.Escape(epe.Message) + ")=";
msg += EggsML.Escape(origText.Substring(ind));
_parsed = EggsML.Parse(msg);
}
autosize();
Invalidate();
}