public void ExtendSelection(NSTextView view, NSEvent evt)
{
int index = DoMouseEventToIndex(view, evt);
NSRange range = view.selectedRange();
if (range.length == 0 && index < view.string_().length() && view.string_()[index] == '\n')
{
// don't extend the selection if the user clicked off to the right side of a line
}
else if (index >= view.string_().length())
{
// don't extend the selection if the user clicked below the last line of text
view.setSelectedRange(NSRange.Empty);
}
else
{
// Extend the selection so that it contains the entire word the user right-clicked on.
if (range.length == 0 || !range.Intersects(index))
{
range = new NSRange(index, 1);
range = view.selectionRangeForProposedRange_granularity(range, Enums.NSSelectByWord);
view.setSelectedRange(range);
}
}
}