void RoundButton::Numbers::paint(Painter &p, int x, int y, int outerWidth) {
auto digitsCount = _digits.size();
if (!digitsCount) return;
auto progress = anim::easeOutCirc(1., _a_ready.current(1.));
auto width = anim::interpolate(_fromWidth, _toWidth, progress);
QString singleChar('0');
if (rtl()) x = outerWidth - x - width;
x += width - _digits.size() * _digitWidth;
auto fromTop = anim::interpolate(0, _st.font->height, progress) * (_growing ? 1 : -1);
auto toTop = anim::interpolate(_st.font->height, 0, progress) * (_growing ? -1 : 1);
for (auto i = 0; i != digitsCount; ++i) {
auto &digit = _digits[i];
auto from = digit.from;
auto to = digit.to;
if (from.unicode()) {
p.setOpacity(1. - progress);
singleChar[0] = from;
p.drawText(x + (_digitWidth - digit.fromWidth) / 2, y + fromTop + _st.font->ascent, singleChar);
}
if (to.unicode()) {
p.setOpacity(progress);
singleChar[0] = to;
p.drawText(x + (_digitWidth - digit.toWidth) / 2, y + toTop + _st.font->ascent, singleChar);
}
x += _digitWidth;
}
p.setOpacity(1.);
}
void matchSingleChar() const {
givenACodeSampleToTokenize singleChar("a", true);
ASSERT_EQUALS(true, Token::Match(singleChar.tokens(), "[a|bc]"));
ASSERT_EQUALS(false, Token::Match(singleChar.tokens(), "[d|ef]"));
Token multiChar(0);
multiChar.str("[ab");
ASSERT_EQUALS(false, Token::Match(&multiChar, "[ab|def]"));
}
