private void ScintillaSrc_DwellStart(object sender, ScintillaNET.DwellEventArgs e)
{
var highlight = highlights.FirstOrDefault(h => h.Start <= e.Position && e.Position <= h.End);
if (highlight != null)
{
scintilla.CallTipShow(highlight.Start, highlight.Message);
}
}
/// <summary>
/// Raises the <see cref="DwellStart" /> event.
/// </summary>
/// <param name="e">A <see cref="DwellEventArgs" /> that contains the event data.</param>
protected virtual void OnDwellStart(DwellEventArgs e)
{
var handler = Events[dwellStartEventKey] as EventHandler<DwellEventArgs>;
if (handler != null)
handler(this, e);
}
private void ScintillaSrc_DwellEnd(object sender, ScintillaNET.DwellEventArgs e)
{
scintilla.CallTipCancel();
}
/// <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);
}
