/// <summary>
/// Extends OnDwellStart to provide DwellOnIdentifier event
/// </summary>
/// <param name="e"></param>
protected override void OnDwellStart(DwellEventArgs e) {
bool isDebug = false;
System.Diagnostics.Debug.Assert(isDebug = true);
if (DwellOnIdentifier != null || isDebug) {
var index = CharPositionFromPointClose(e.X, e.Y);
if (index >= 0) {
if (isDebug) System.Diagnostics.Debug.Print("Lexer style @{0}: {1}", index, GetStyleAt(index));
if (DwellOnIdentifier == null) return;
string identifier = null;
var identifierRange = default(CharacterRange);
var visibleRange = default(CharacterRange);
string visibleText = null;
if (index >= 0) identifier = FindIdentifierAt(index, out identifierRange, out visibleRange, out visibleText);
if (identifier != null) {
var eventArgs = new DwellOnIdentifierEventArgs(identifier, identifierRange, visibleRange, visibleText);
OnDwellOnIdentifier(eventArgs);
if (!String.IsNullOrEmpty(eventArgs.CallTipText))
CallTipShow(identifierRange.First, eventArgs.CallTipText);
else CallTipCancel();
} else CallTipCancel();
} else CallTipCancel();
}
base.OnDwellStart(e);
}
/// <summary>
/// Quick test of new DwellOnIdentifier event
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Ed_DwellOnIdentifier(object sender, DwellOnIdentifierEventArgs e) {
e.CallTipText = String.Format(
"Identifier: {0}\r\nIndex: {1}\r\nLength: {2}",
e.Identifier, e.IdentifierRange.First, e.IdentifierRange.Length
);
var s = sender as CodeEditor;
}
/// <summary>
/// Provides DwellOnIdentifier event
/// </summary>
/// <param name="e"></param>
protected virtual void OnDwellOnIdentifier(DwellOnIdentifierEventArgs e) {
if (DwellOnIdentifier != null) DwellOnIdentifier.Invoke(this, e);
}