void FlatTextarea::updatePlaceholder() {
bool vis = (getLastText().size() <= _phAfter);
if (vis == _phVisible) return;
a_phLeft.start(vis ? 0 : _st.phShift);
a_phAlpha.start(vis ? 1 : 0);
_a_appearance.start();
_phVisible = vis;
}
void FlatTextarea::updatePlaceholder() {
bool vis = getLastText().isEmpty();
if (vis == _phVisible) return;
a_phLeft.start(vis ? 0 : _st.phShift);
a_phAlpha.start(vis ? 1 : 0);
anim::start(this);
_phVisible = vis;
}
void SentCodeField::fix() {
if (_fixing) return;
_fixing = true;
auto newText = QString();
auto now = getLastText();
auto oldPos = textCursor().position();
auto newPos = -1;
auto oldLen = now.size();
auto digitCount = 0;
for_const (auto ch, now) {
if (ch.isDigit()) {
++digitCount;
}
}
if (_autoSubmitLength > 0 && digitCount > _autoSubmitLength) {
digitCount = _autoSubmitLength;
}
auto strict = (_autoSubmitLength > 0 && digitCount == _autoSubmitLength);
newText.reserve(oldLen);
int i = 0;
for_const (auto ch, now) {
if (i++ == oldPos) {
newPos = newText.length();
}
if (ch.isDigit()) {
if (!digitCount--) {
break;
}
newText += ch;
if (strict && !digitCount) {
break;
}
}
}
if (newPos < 0) {
newPos = newText.length();
}
if (newText != now) {
now = newText;
setText(now);
setCursorPosition(newPos);
}
_fixing = false;
if (_changedCallback) {
_changedCallback();
}
if (strict && _submitCallback) {
_submitCallback();
}
}
void FlatTextarea::setPlaceholder(const QString &ph, int32 afterSymbols) {
_ph = ph;
if (_phAfter != afterSymbols) {
_phAfter = afterSymbols;
updatePlaceholder();
}
_phelided = _st.font->elided(_ph, width() - _st.textMrg.left() - _st.textMrg.right() - _st.phPos.x() - 1 - (_phAfter ? _st.font->width(getLastText().mid(0, _phAfter)) : 0));
if (_phVisible) update();
}
void FlatTextarea::paintEvent(QPaintEvent *e) {
QPainter p(viewport());
QRect r(rect().intersected(e->rect()));
p.fillRect(r, _st.bgColor->b);
bool phDraw = _phVisible;
if (_a_appearance.animating()) {
p.setOpacity(a_phAlpha.current());
phDraw = true;
}
if (phDraw) {
p.save();
p.setClipRect(r);
p.setFont(_st.font);
p.setPen(a_phColor.current());
if (_st.phAlign == style::al_topleft && _phAfter > 0) {
p.drawText(_st.textMrg.left() - _fakeMargin + a_phLeft.current() + _st.font->width(getLastText().mid(0, _phAfter)), _st.textMrg.top() - _fakeMargin - st::lineWidth + _st.font->ascent, _ph);
} else {
QRect phRect(_st.textMrg.left() - _fakeMargin + _st.phPos.x() + a_phLeft.current(), _st.textMrg.top() - _fakeMargin + _st.phPos.y(), width() - _st.textMrg.left() - _st.textMrg.right(), height() - _st.textMrg.top() - _st.textMrg.bottom());
p.drawText(phRect, _ph, QTextOption(_st.phAlign));
}
p.restore();
p.setOpacity(1);
}
QTextEdit::paintEvent(e);
}
