/// <summary>
/// Draw string accordingly to formatting
/// </summary>
/// <param name="g"></param>
/// <param name="start"></param>
/// <param name="frmt"></param>
/// <param name="text"></param>
protected virtual void DrawStringByFormat(Graphics g, ref Point start,
ToolTipStringFormatter frmt, string text)
{
Font newFont = (Font)frmt;
Color clr = (Color)frmt;
SizeF size = g.MeasureString(text, newFont, 0, m_format);
g.DrawString(text, newFont, new SolidBrush(clr), start);
start.X += ( int )(size.Width + 0.5);
}
public void CopyFrom(ToolTipStringFormatter obj)
{
if (obj == this)
{
return;
}
family = obj.family;
style = obj.style;
size = obj.size;
color = obj.color;
}
/// <summary>
/// Function detect formatting and accordingly to it change formatting
/// class states
/// </summary>
/// <param name="frmt">formatting class</param>
/// <param name="id">string Identificator of formatter</param>
protected virtual void DetectFormatting(ref ToolTipStringFormatter frmt, string id)
{
if (string.Compare(id, "b", true) == 0) // bold
{
frmt.style |= FontStyle.Bold;
}
else if (string.Compare(id, "i", true) == 0) // italic
{
frmt.style |= FontStyle.Italic;
}
else if (string.Compare(id, "u", true) == 0) // underline
{
frmt.style |= FontStyle.Underline;
}
else // try to detect is it a color name
{
try
{
Color clr = Color.FromName(id);
frmt.color = clr;
}
catch {}
}
}
public void CopyFrom( ToolTipStringFormatter obj )
{
if( obj == this ) return;
family = obj.family;
style = obj.style;
size = obj.size;
color = obj.color;
}
/// <summary>
/// Measure one line of tooltip text calcuating formatting
/// </summary>
/// <param name="g"></param>
/// <param name="txt"></param>
/// <returns></returns>
protected virtual Size MeasureToolTipString( Graphics g, string txt )
{
Size sizeText;
int maxHeight = 0;
int totalWidht = 0;
string tempString = txt;
Stack stack = new Stack();
ToolTipStringFormatter frmtString = new ToolTipStringFormatter( this );
stack.Push( frmtString.Clone() );
do
{
Match mt = m_regex.Match( tempString );
if( mt.Success == true )
{
string pretext = mt.Groups[1].Value;
string formatId = mt.Groups[2].Value;
string text = mt.Groups[3].Value;
tempString = tempString.Remove( 0, mt.Groups[0].Value.Length );
frmtString.CopyFrom( (ToolTipStringFormatter)stack.Peek() );
sizeText = MeasureStringByFormat( g, frmtString, pretext );
maxHeight = Math.Max( maxHeight, sizeText.Height );
totalWidht += sizeText.Width;
DetectFormatting( ref frmtString, formatId );
if( IsStringWithFormat( text ) )
{
stack.Push( frmtString.Clone() );
tempString = text + "</stack>" + tempString;
continue;
}
else
{
int pos = text.IndexOf( "</stack>" );
int left = pos + "</stack>".Length;
if( pos != -1 )
{
tempString = text.Substring( left, text.Length - left ) + tempString;
text = text.Substring( 0, pos );
}
sizeText = MeasureStringByFormat( g, frmtString, text );
maxHeight = Math.Max( maxHeight, sizeText.Height );
totalWidht += sizeText.Width;
if( pos != -1 ) stack.Pop();
}
}
else
{
int pos = 0;
while( -1 != ( pos = tempString.IndexOf( "</stack>" ) ) )
{
int left = pos + "</stack>".Length;
string text = tempString.Substring( 0, pos );
tempString = tempString.Substring( left, tempString.Length - left );
sizeText = MeasureStringByFormat( g, (ToolTipStringFormatter)stack.Peek(), text );
maxHeight = Math.Max( maxHeight, sizeText.Height );
totalWidht += sizeText.Width;
stack.Pop();
}
sizeText = MeasureStringByFormat( g, (ToolTipStringFormatter)stack.Peek(), tempString );
maxHeight = Math.Max( maxHeight, sizeText.Height );
totalWidht += sizeText.Width;
tempString = "";
}
if( tempString.Length == 0 ) break;
}
while( true );
stack.Clear();
return new Size( totalWidht, maxHeight );
}
/// <summary>
/// Measure size of tooltip string accorfing to formatting
/// </summary>
/// <param name="g"></param>
/// <param name="frmt"></param>
/// <param name="txt"></param>
/// <returns></returns>
protected virtual Size MeasureStringByFormat( Graphics g, ToolTipStringFormatter frmt, string txt )
{
SizeF size = g.MeasureString( txt, (Font)frmt, 0, m_format );
return new Size( (int)( size.Width + 0.5 ), (int)( size.Height + 0.5 ) );
}
/// <summary>
/// Draw one line of tooltip text with formatting
/// </summary>
/// <param name="g"></param>
/// <param name="pntStart"></param>
/// <param name="txt"></param>
protected virtual void DrawToolTipString( Graphics g, Point pntStart, string txt )
{
string tempString = txt;
Stack stack = new Stack();
ToolTipStringFormatter frmtString = new ToolTipStringFormatter( this );
stack.Push( frmtString.Clone() );
do
{
Match mt = m_regex.Match( tempString );
if( mt.Success == true )
{
string pretext = mt.Groups[1].Value;
string formatId = mt.Groups[2].Value;
string text = mt.Groups[3].Value;
tempString = tempString.Remove( 0, mt.Groups[0].Value.Length );
frmtString.CopyFrom( (ToolTipStringFormatter)stack.Peek() );
DrawStringByFormat( g, ref pntStart, frmtString, pretext );
DetectFormatting( ref frmtString, formatId );
if( IsStringWithFormat( text ) )
{
stack.Push( frmtString.Clone() );
tempString = text + "</stack>" + tempString;
continue;
}
else
{
int pos = text.IndexOf( "</stack>" );
int left = pos + "</stack>".Length;
if( pos != -1 )
{
tempString = text.Substring( left, text.Length - left ) + tempString;
text = text.Substring( 0, pos );
}
DrawStringByFormat( g, ref pntStart, frmtString, text );
if( pos != -1 ) stack.Pop();
}
}
else
{
int pos = 0;
while( -1 != ( pos = tempString.IndexOf( "</stack>" ) ) )
{
int left = pos + "</stack>".Length;
string text = tempString.Substring( 0, pos );
tempString = tempString.Substring( left, tempString.Length - left );
DrawStringByFormat( g, ref pntStart, (ToolTipStringFormatter)stack.Peek(), text );
stack.Pop();
}
DrawStringByFormat( g, ref pntStart, (ToolTipStringFormatter)stack.Peek(), tempString );
tempString = "";
}
if( tempString.Length == 0 ) break;
}
while( true );
stack.Clear();
}
/// <summary>
/// Draw string accordingly to formatting
/// </summary>
/// <param name="g"></param>
/// <param name="start"></param>
/// <param name="frmt"></param>
/// <param name="text"></param>
protected virtual void DrawStringByFormat( Graphics g, ref Point start,
ToolTipStringFormatter frmt, string text )
{
Font newFont = (Font)frmt;
Color clr = (Color)frmt;
SizeF size = g.MeasureString( text, newFont, 0, m_format );
g.DrawString( text, newFont, new SolidBrush( clr ), start );
start.X += ( int )( size.Width + 0.5 );
}
/// <summary>
/// Function detect formatting and accordingly to it change formatting
/// class states
/// </summary>
/// <param name="frmt">formatting class</param>
/// <param name="id">string Identificator of formatter</param>
protected virtual void DetectFormatting( ref ToolTipStringFormatter frmt, string id )
{
if( string.Compare( id, "b", true ) == 0 ) // bold
{
frmt.style |= FontStyle.Bold;
}
else if( string.Compare( id, "i", true ) == 0 ) // italic
{
frmt.style |= FontStyle.Italic;
}
else if( string.Compare( id, "u", true ) == 0 ) // underline
{
frmt.style |= FontStyle.Underline;
}
else // try to detect is it a color name
{
try
{
Color clr = Color.FromName( id );
frmt.color = clr;
}
catch{}
}
}
/// <summary>
/// Draw one line of tooltip text with formatting
/// </summary>
/// <param name="g"></param>
/// <param name="pntStart"></param>
/// <param name="txt"></param>
protected virtual void DrawToolTipString(Graphics g, Point pntStart, string txt)
{
string tempString = txt;
Stack stack = new Stack();
ToolTipStringFormatter frmtString = new ToolTipStringFormatter(this);
stack.Push(frmtString.Clone());
do
{
Match mt = m_regex.Match(tempString);
if (mt.Success == true)
{
string pretext = mt.Groups[1].Value;
string formatId = mt.Groups[2].Value;
string text = mt.Groups[3].Value;
tempString = tempString.Remove(0, mt.Groups[0].Value.Length);
frmtString.CopyFrom((ToolTipStringFormatter)stack.Peek());
DrawStringByFormat(g, ref pntStart, frmtString, pretext);
DetectFormatting(ref frmtString, formatId);
if (IsStringWithFormat(text))
{
stack.Push(frmtString.Clone());
tempString = text + "</stack>" + tempString;
continue;
}
else
{
int pos = text.IndexOf("</stack>");
int left = pos + "</stack>".Length;
if (pos != -1)
{
tempString = text.Substring(left, text.Length - left) + tempString;
text = text.Substring(0, pos);
}
DrawStringByFormat(g, ref pntStart, frmtString, text);
if (pos != -1)
{
stack.Pop();
}
}
}
else
{
int pos = 0;
while (-1 != (pos = tempString.IndexOf("</stack>")))
{
int left = pos + "</stack>".Length;
string text = tempString.Substring(0, pos);
tempString = tempString.Substring(left, tempString.Length - left);
DrawStringByFormat(g, ref pntStart, (ToolTipStringFormatter)stack.Peek(), text);
stack.Pop();
}
DrawStringByFormat(g, ref pntStart, (ToolTipStringFormatter)stack.Peek(), tempString);
tempString = "";
}
if (tempString.Length == 0)
{
break;
}
}while(true);
stack.Clear();
}
/// <summary>
/// Measure size of tooltip string accorfing to formatting
/// </summary>
/// <param name="g"></param>
/// <param name="frmt"></param>
/// <param name="txt"></param>
/// <returns></returns>
protected virtual Size MeasureStringByFormat(Graphics g, ToolTipStringFormatter frmt, string txt)
{
SizeF size = g.MeasureString(txt, (Font)frmt, 0, m_format);
return(new Size((int)(size.Width + 0.5), (int)(size.Height + 0.5)));
}
/// <summary>
/// Measure one line of tooltip text calcuating formatting
/// </summary>
/// <param name="g"></param>
/// <param name="txt"></param>
/// <returns></returns>
protected virtual Size MeasureToolTipString(Graphics g, string txt)
{
Size sizeText;
int maxHeight = 0;
int totalWidht = 0;
string tempString = txt;
Stack stack = new Stack();
ToolTipStringFormatter frmtString = new ToolTipStringFormatter(this);
stack.Push(frmtString.Clone());
do
{
Match mt = m_regex.Match(tempString);
if (mt.Success == true)
{
string pretext = mt.Groups[1].Value;
string formatId = mt.Groups[2].Value;
string text = mt.Groups[3].Value;
tempString = tempString.Remove(0, mt.Groups[0].Value.Length);
frmtString.CopyFrom((ToolTipStringFormatter)stack.Peek());
sizeText = MeasureStringByFormat(g, frmtString, pretext);
maxHeight = Math.Max(maxHeight, sizeText.Height);
totalWidht += sizeText.Width;
DetectFormatting(ref frmtString, formatId);
if (IsStringWithFormat(text))
{
stack.Push(frmtString.Clone());
tempString = text + "</stack>" + tempString;
continue;
}
else
{
int pos = text.IndexOf("</stack>");
int left = pos + "</stack>".Length;
if (pos != -1)
{
tempString = text.Substring(left, text.Length - left) + tempString;
text = text.Substring(0, pos);
}
sizeText = MeasureStringByFormat(g, frmtString, text);
maxHeight = Math.Max(maxHeight, sizeText.Height);
totalWidht += sizeText.Width;
if (pos != -1)
{
stack.Pop();
}
}
}
else
{
int pos = 0;
while (-1 != (pos = tempString.IndexOf("</stack>")))
{
int left = pos + "</stack>".Length;
string text = tempString.Substring(0, pos);
tempString = tempString.Substring(left, tempString.Length - left);
sizeText = MeasureStringByFormat(g, (ToolTipStringFormatter)stack.Peek(), text);
maxHeight = Math.Max(maxHeight, sizeText.Height);
totalWidht += sizeText.Width;
stack.Pop();
}
sizeText = MeasureStringByFormat(g, (ToolTipStringFormatter)stack.Peek(), tempString);
maxHeight = Math.Max(maxHeight, sizeText.Height);
totalWidht += sizeText.Width;
tempString = "";
}
if (tempString.Length == 0)
{
break;
}
}while(true);
stack.Clear();
return(new Size(totalWidht, maxHeight));
}
