public static bool ReplaceSelection(this Gtk.TextBuffer buffer, string newText, bool keepSelection = true)
{
bool retval = false;
TextIter start;
TextIter end;
if (buffer.GetSelectionBounds(out start, out end))
{
TextMark startMark = buffer.CreateMark("start", start, false);
TextMark endMark = buffer.CreateMark("end", end, true);
buffer.DeleteSelection(true, true);
TextIter start2 = buffer.GetIterAtMark(startMark);
buffer.Insert(ref start2, newText);
if (keepSelection)
{
TextIter start3 = buffer.GetIterAtMark(startMark);
TextIter end3 = buffer.GetIterAtMark(endMark);
buffer.SelectRange(start3, end3);
}
retval = true;
}
return(retval);
}
private void FormatTextBuffer(TextBuffer textBuffer, XmlNode linkTextNode)
{
XmlNodeList childNodes = linkTextNode.ChildNodes;
foreach(XmlNode childNode in childNodes)
{
if (childNode.Name.Equals("a"))
{
XmlAttribute href = childNode.Attributes["href"];
if (href != null)
{
string textTagName = href.Value;
TextTag textTag = textBuffer.TagTable.Lookup(textTagName);
if (textTag != null)
{
TextMark startTagMark = textBuffer.CreateMark(textTagName, textBuffer.EndIter, true);
textBuffer.InsertAtCursor(childNode.InnerText);
TextIter startTagIter = textBuffer.GetIterAtMark(startTagMark);
TextIter endTagIter = textBuffer.EndIter;
textBuffer.ApplyTag(textTag, startTagIter, endTagIter);
}
}
else
textBuffer.InsertAtCursor(childNode.InnerText);
}
else
{
textBuffer.InsertAtCursor(childNode.InnerText);
}
}
textBuffer.ApplyTag("small-font", textBuffer.StartIter, textBuffer.EndIter);
}
protected void UpdCursorLocation(TextBuffer tb)
{
TextIter ti = tb.GetIterAtMark(tb.InsertMark);
cursorLineNo = ti.Line + 1;
cursorColumnNo = ti.LineOffset + 1;
// Update cursor position on status bar:
StatusBarCursorPosLabel.Text = "(" + cursorLineNo.ToString() + ", " +
cursorColumnNo.ToString() + ")";
}
// Execute first SQL statement at cursor
public string GetSqlStatementAtCursor(TextBuffer sqlTextBuffer, out TextIter iter)
{
TextIter start_iter, end_iter, insert_iter;
TextIter match_start1, match_end1, match_start2, match_end2;
TextIter begin_iter, finish_iter;
string text = String.Empty;
int char_count = 0;
TextMark insert_mark;
insert_mark = sqlTextBuffer.InsertMark;
insert_iter = sqlTextBuffer.GetIterAtMark (insert_mark);
start_iter = sqlTextBuffer.GetIterAtOffset (0);
char_count = sqlTextBuffer.CharCount;
end_iter = sqlTextBuffer.GetIterAtOffset (char_count);
iter = end_iter;
match_start1 = sqlTextBuffer.GetIterAtOffset (0);
match_end1 = sqlTextBuffer.GetIterAtOffset (char_count);
match_start2 = sqlTextBuffer.GetIterAtOffset (0);
match_end2 = sqlTextBuffer.GetIterAtOffset (char_count);
begin_iter = sqlTextBuffer.GetIterAtOffset (0);
finish_iter = sqlTextBuffer.GetIterAtOffset (char_count);
if (start_iter.IsEnd == false)
{
if (insert_iter.BackwardSearch (";", TextSearchFlags.TextOnly,
out match_start1, out match_end1, start_iter) == true) {
begin_iter = match_start1;
begin_iter.ForwardChars (1);
}
if (insert_iter.ForwardSearch (";", TextSearchFlags.TextOnly,
out match_start2, out match_end2, end_iter) == true) {
finish_iter = match_end2;
finish_iter.BackwardChars (1);
}
iter = finish_iter;
text = sqlTextBuffer.GetText (begin_iter, finish_iter, false);
// FIXME: for this to work. GetSqlStatement has to rewritten to be line-based
if (text.Length > 0) {
// search does not work if what you are searching for is
// at the end of the buffer,
// this compensates for this
int j = text.Length;
int cont = 1;
for(int i = text.Length - 1; cont == 1 && i >= 0; i--) {
char ch = text[i];
switch(ch) {
case ' ':
case ';':
j--;
break;
default:
cont = 0;
break;
}
}
if (j != text.Length) {
string t = text.Substring(0, j);
text = t;
}
}
}
return text;
}
