public void showMark(long position)
    {
        lastLocationPosition = position;
        if (position < 0) return;

        position = position - position % bytesPerLine;
        textAreasStart = position;
        if (numberOfLines > 2)
            textAreasStart = position - (numberOfLines / 2) * bytesPerLine;
        ensureWholeScreenIsVisible();
        redrawTextAreas(true);
//	setFocus();
        updateScrollBar();
    }
Shows the position on screen.

@param position where relocation should go
plugins/org.jkiss.dbeaver.ui.editors.hex/src/org/jkiss/dbeaver/ui/editors/binary/HexEditControl.java