public void HighlightWord(RichTextBox richText, string stString, LineNumbersControlForRichTextBox.LineNumbersForRichText lnRT)
{
Regex rex = new Regex(stString);
MatchCollection mcCollection = rex.Matches(richText.Text);
//
// http://weblogs.asp.net/jdanforth/archive/2004/03/12/88458.aspx
//
IntPtr eventMask = IntPtr.Zero;
IntPtr eventMaskLRT = IntPtr.Zero;
int StartCursorPosition = richText.SelectionStart;
int EndCursorPosition = richText.SelectionLength;
try
{
// Stop redrawing:
SendMessage(richText.Handle, WM_SETREDRAW, 0, IntPtr.Zero);
if (lnRT != null)
{
SendMessage(lnRT.Handle, WM_SETREDRAW, 0, IntPtr.Zero);
}
// Stop sending of events:
eventMask = SendMessage(richText.Handle, EM_GETEVENTMASK, 0, IntPtr.Zero);
if (lnRT != null)
{
eventMaskLRT = SendMessage(lnRT.Handle, EM_GETEVENTMASK, 0, IntPtr.Zero);
}
foreach (Match mMatch in mcCollection)
{
int startIndex = mMatch.Index;
int StopIndex = mMatch.Length;
richText.SelectionColor = Color.Red;
richText.SelectionBackColor = Color.Black;
richText.Select(startIndex, StopIndex);
richText.SelectionStart = StartCursorPosition;
richText.SelectionLength = 0;
richText.SelectionColor = Color.Black;
richText.SelectionBackColor = Color.White;
}
}
finally
{
richText.SelectionStart = StartCursorPosition;
richText.SelectionLength = EndCursorPosition;
richText.ScrollToCaret();
// turn on events
SendMessage(richText.Handle, EM_SETEVENTMASK, 0, eventMask);
if (lnRT != null)
{
SendMessage(lnRT.Handle, EM_SETEVENTMASK, 0, eventMaskLRT);
}
// turn on redrawing
SendMessage(richText.Handle, WM_SETREDRAW, 1, IntPtr.Zero);
if (lnRT != null)
{
SendMessage(lnRT.Handle, WM_SETREDRAW, 1, IntPtr.Zero);
}
SendMessage(richText.Handle, WM_NCPAINT, 0, IntPtr.Zero);
}
}
public void MakeUpRichText(RichTextBox richText, string strExt, LineNumbersControlForRichTextBox.LineNumbersForRichText lnRT)
{
foreach (CodeMarkUp cmuLookup in codeMarkUps)
{
foreach (string strMExt in cmuLookup.strExts)
{
if (strMExt.Equals(strExt))
{
richText.SelectionLength = 0;
richText.SelectionColor = Color.Black;
StringBuilder sbTemp = new StringBuilder();
sbTemp.Append("(");
bool bFirst = true;
foreach (string strKeyword in cmuLookup.strKeyWords)
{
if (bFirst)
{
sbTemp.Append(strKeyword + "\\s");
bFirst = false;
}
else
{
sbTemp.Append("|" + strKeyword + "\\s");
}
}
sbTemp.Append(")");
Regex rex = new Regex(sbTemp.ToString());
MatchCollection mcCollection = rex.Matches(richText.Text);
//
// http://weblogs.asp.net/jdanforth/archive/2004/03/12/88458.aspx
//
IntPtr eventMask = IntPtr.Zero;
IntPtr eventMaskLRT = IntPtr.Zero;
try
{
// Stop redrawing:
SendMessage(richText.Handle, WM_SETREDRAW, 0, IntPtr.Zero);
if (lnRT != null)
{
SendMessage(lnRT.Handle, WM_SETREDRAW, 0, IntPtr.Zero);
}
// Stop sending of events:
eventMask = SendMessage(richText.Handle, EM_GETEVENTMASK, 0, IntPtr.Zero);
if (lnRT != null)
{
eventMaskLRT = SendMessage(lnRT.Handle, EM_GETEVENTMASK, 0, IntPtr.Zero);
}
int StartCursorPosition = 0;
foreach (Match mMatch in mcCollection)
{
int startIndex = mMatch.Index;
int StopIndex = mMatch.Length;
richText.Select(startIndex, StopIndex);
richText.SelectionColor = Color.Blue;
richText.SelectionStart = StartCursorPosition;
richText.SelectionLength = 0;
richText.SelectionColor = Color.Black;
}
}
finally
{
// turn on events
SendMessage(richText.Handle, EM_SETEVENTMASK, 0, eventMask);
if (lnRT != null)
{
SendMessage(lnRT.Handle, EM_SETEVENTMASK, 0, eventMaskLRT);
}
// turn on redrawing
SendMessage(richText.Handle, WM_SETREDRAW, 1, IntPtr.Zero);
if (lnRT != null)
{
SendMessage(lnRT.Handle, WM_SETREDRAW, 1, IntPtr.Zero);
}
SendMessage(richText.Handle, WM_NCPAINT, 0, IntPtr.Zero);
}
}
}
}
}
private void CreateRTBAndNumbersList(out FixedRichTextBox richTextBox1, out LineNumbersControlForRichTextBox.LineNumbersForRichText lineNumbersForRichText1)
{
richTextBox1 = new FixedRichTextBox();
richTextBox1.AcceptsTab = true;
richTextBox1.BackColor = rtbBackColour;
richTextBox1.ContextMenuStrip = this.contextMenuStrip1;
richTextBox1.DetectUrls = false;
richTextBox1.Font = rtbFont;
richTextBox1.ForeColor = rtbForeColour;
richTextBox1.Location = new System.Drawing.Point(36, 0);
richTextBox1.Name = "richTextBox1";
richTextBox1.ScrollBars = System.Windows.Forms.RichTextBoxScrollBars.ForcedVertical;
richTextBox1.Size = new System.Drawing.Size(528, 362);
richTextBox1.TabIndex = 0;
richTextBox1.Text = "";
richTextBox1.WordWrap = false;
richTextBox1.TextChanged += new System.EventHandler(this.richTextBox1_TextChanged);
scripts.Add(richTextBox1);
lineNumbersForRichText1 = new LineNumbersControlForRichTextBox.LineNumbersForRichText();
lineNumbersForRichText1.AutoSizing = false;
lineNumbersForRichText1.BackColor = System.Drawing.SystemColors.Control;
lineNumbersForRichText1.BackgroundGradientAlphaColor = System.Drawing.Color.Transparent;
lineNumbersForRichText1.BackgroundGradientBetaColor = System.Drawing.Color.Transparent;
lineNumbersForRichText1.BackgroundGradientDirection = System.Drawing.Drawing2D.LinearGradientMode.Horizontal;
lineNumbersForRichText1.BorderLinesColor = System.Drawing.Color.Transparent;
lineNumbersForRichText1.BorderLinesStyle = System.Drawing.Drawing2D.DashStyle.Dot;
lineNumbersForRichText1.BorderLinesThickness = 1F;
lineNumbersForRichText1.DockSide = LineNumbersControlForRichTextBox.LineNumbersForRichText.LineNumberDockSide.Left;
lineNumbersForRichText1.GridLinesColor = System.Drawing.Color.Transparent;
lineNumbersForRichText1.GridLinesStyle = System.Drawing.Drawing2D.DashStyle.Dot;
lineNumbersForRichText1.GridLinesThickness = 1F;
lineNumbersForRichText1.LineNumbersAlignment = System.Drawing.ContentAlignment.MiddleRight;
lineNumbersForRichText1.LineNumbersAntiAlias = true;
lineNumbersForRichText1.LineNumbersAsHexadecimal = false;
lineNumbersForRichText1.LineNumbersClippedByItemRectangle = true;
lineNumbersForRichText1.LineNumbersLeadingZeroes = true;
lineNumbersForRichText1.LineNumbersOffset = new System.Drawing.Size(0, 0);
lineNumbersForRichText1.Location = new System.Drawing.Point(-8, 0);
lineNumbersForRichText1.Margin = new System.Windows.Forms.Padding(0);
lineNumbersForRichText1.MarginLinesColor = System.Drawing.Color.Transparent;
lineNumbersForRichText1.MarginLinesSide = LineNumbersControlForRichTextBox.LineNumbersForRichText.LineNumberDockSide.None;
lineNumbersForRichText1.MarginLinesStyle = System.Drawing.Drawing2D.DashStyle.Solid;
lineNumbersForRichText1.MarginLinesThickness = 1F;
lineNumbersForRichText1.Name = "lineNumbersForRichText1";
lineNumbersForRichText1.Padding = new System.Windows.Forms.Padding(0, 0, 2, 0);
lineNumbersForRichText1.ParentRichTextBox = richTextBox1;
lineNumbersForRichText1.SeeThroughMode = false;
lineNumbersForRichText1.ShowBackgroundGradient = true;
lineNumbersForRichText1.ShowBorderLines = false;
lineNumbersForRichText1.ShowGridLines = false;
lineNumbersForRichText1.ShowLineNumbers = true;
lineNumbersForRichText1.ShowMarginLines = true;
lineNumbersForRichText1.Size = new System.Drawing.Size(43, 362);
lineNumbersForRichText1.TabIndex = 12;
}