public void Select(int start, int length)
{
start = Math.Abs(start);
start = Math.Abs(length);
Execute.OnUIThreadEx(() =>
{
if (start > textEditor.Document.TextLength)
{
start = textEditor.Document.TextLength - 1;
}
if (start + length > textEditor.Document.TextLength)
{
length = textEditor.Document.TextLength - start;
}
textEditor.Select(start, length);
});
}
/// <summary>
/// Move caret to offset.
/// </summary>
/// <param name="findText">Text which was finded.</param>
/// <param name="offset">Offset where the text is.</param>
/// <param name="scrollToCaret">If true editor will scroll to caret.</param>
/// <returns>Returns true if the caret was moved, false otherwise.</returns>
/// <remarks>This function will return false if the finded text need to be 'whole word' and it isn't.</remarks>
private bool MoveCaret(string findText, int offset, bool scrollToCaret)
{
CodeTextEditor editor = Workspace.CurrentEditor.TextEditor;
editor.Select(offset, findText.Length);
// Check if we need the whole word, if we need it let's compare with the selection.
if (this.wholeWordCheckBox.Checked == true && string.Compare(editor.SelectedText, findText) != 0)
{
editor.TextArea.ClearSelection();
return(false);
}
if (scrollToCaret == true)
{
DocumentLine documentLine = editor.TextArea.Document.GetLineByOffset(offset);
editor.ScrollTo(documentLine.LineNumber, 0);
}
return(true);
}
/// <summary>
/// Scroll to correct line in the editor. This could be called from a DispatcherTimer.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void GotoDefinition_ScrollToLine(object sender = null, EventArgs e = null)
{
var timer = sender as DispatcherTimer;
if (timer != null)
{
timer.Stop();
}
var args = _gotoDefinitionArgs;
if (CodeTextEditor != null)
{
if (args.LineNumber != -1)
{
ICSharpCode.AvalonEdit.Document.DocumentLine line = CodeTextEditor.Document.GetLineByNumber(args.LineNumber);
CodeTextEditor.Select(line.Offset, line.Length);
CodeTextEditor.CaretOffset = line.Offset;
CodeTextEditor.ScrollToLine(args.LineNumber);
CodeTextEditor.Focus();
}
}
}