protected String GetTTText(String strLine, int iChar)
{ //====================================================================
// Look for controlled lines first
RegexTag retLine = GetLineTag(strLine);
if (retLine != null)
{
if (retLine.ToolTip)
{
return(retLine.Comment);
}
return(String.Empty);
}
// Now look through the rest
foreach (RegexTag ret in Tags)
{
if (ret.ToolTip && !ret.ControlsWholeLine)
{
foreach (Match m in ret.MatchesIn(strLine))
{
if (m.Index <= iChar && m.Index + m.Length >= iChar)
{
return(ret.Comment);
}
}
}
}
return(String.Empty);
}
private void SetLineToTag(int iLine, RegexTag ret)
{ //====================================================================
SelectBackBufferLine(iLine);
rtfBackBuffer.SelectionFont = ret.Font;
rtfBackBuffer.SelectionColor = ret.ForeColor;
rtfBackBuffer.SelectionBackColor = ret.BackColor;
return;
}
private void SetMatchToTag(int iLine, Match m, RegexTag ret)
{ //====================================================================
rtfBackBuffer.SelectionStart = GetFirstCharIndexFromLine(iLine) + m.Index;
rtfBackBuffer.SelectionLength = m.Length;
rtfBackBuffer.SelectionFont = ret.Font;
rtfBackBuffer.SelectionColor = ret.ForeColor;
rtfBackBuffer.SelectionBackColor = ret.BackColor;
return;
}
public void RescanTags()
{ //====================================================================
if (_bInRescan)
{
return; // Preventing an infinite loop when we're called by OnChange and then change the text
}
// Reset the text, re-run the regexes, and re-apply the regex settings
int iSelStart = SelectionStart;
int iSelLen = SelectionLength;
rtfBackBuffer.Rtf = Rtf;
for (int i = 0; i < Lines.Length; i += 1)
{
RegexTag retLine = GetLineTag(Lines[i]);
if (null != retLine)
{
SetLineToTag(i, retLine);
}
else
{
SelectBackBufferLine(i);
rtfBackBuffer.SelectionFont = Font;
rtfBackBuffer.SelectionBackColor = BackColor;
rtfBackBuffer.SelectionColor = ForeColor;
// So, do any of the non-line tags match any parts?
foreach (RegexTag ret in Tags)
{
if (!ret.ControlsWholeLine && ret.Enabled)
{
foreach (Match m in ret.MatchesIn(Lines[i]))
{
SetMatchToTag(i, m, ret);
} // Loop over matches
} // Not a whole-line tag
} // Loop over tags
} // Not a line controlled by a tag
} // Loop over lines
// Prevent exceptions from leaving this flag stranded
_bInRescan = true;
try
{
Rtf = rtfBackBuffer.Rtf;
SelectionStart = iSelStart;
SelectionLength = iSelLen;
}
finally { _bInRescan = false; }
return;
}