private void insertPuncInNonPunc(TextBlock tb, char c, int cp) {
PunctuationBlock wb = new PunctuationBlock();
wb.setText("" + c);
tb.insert(wb, cp);
caretBlock = wb;
caretPos = 1;
}
private void insertLetterInNonWord(TextBlock tb, char c, int cp) {
WordBlock wb = new WordBlock();
wb.setText("" + c);
tb.insert(wb, cp);
caretBlock = wb;
caretPos = 1;
}