126 lines
2.8 KiB
C++
126 lines
2.8 KiB
C++
// This file is part of Desktop App Toolkit,
|
|
// a set of libraries for developing nice desktop applications.
|
|
//
|
|
// For license and copyright information please follow this link:
|
|
// https://github.com/desktop-app/legal/blob/master/LEGAL
|
|
//
|
|
#include "ui/widgets/fields/time_part_input.h"
|
|
|
|
#include "base/qt/qt_string_view.h"
|
|
#include "ui/ui_utility.h" // WheelDirection
|
|
|
|
#include <QtCore/QRegularExpression>
|
|
|
|
namespace Ui {
|
|
|
|
std::optional<int> TimePart::number() {
|
|
static const auto RegExp = QRegularExpression("^\\d+$");
|
|
const auto text = getLastText();
|
|
auto view = QStringView(text);
|
|
while (view.size() > 1 && view.at(0) == '0') {
|
|
view = base::StringViewMid(view, 1);
|
|
}
|
|
return RegExp.match(view).hasMatch()
|
|
? std::make_optional(view.toInt())
|
|
: std::nullopt;
|
|
}
|
|
|
|
void TimePart::setMaxValue(int value) {
|
|
_maxValue = value;
|
|
_maxDigits = 0;
|
|
while (value > 0) {
|
|
++_maxDigits;
|
|
value /= 10;
|
|
}
|
|
}
|
|
|
|
void TimePart::setWheelStep(int value) {
|
|
_wheelStep = value;
|
|
}
|
|
|
|
rpl::producer<> TimePart::erasePrevious() const {
|
|
return _erasePrevious.events();
|
|
}
|
|
|
|
rpl::producer<QChar> TimePart::putNext() const {
|
|
return _putNext.events();
|
|
}
|
|
|
|
void TimePart::keyPressEvent(QKeyEvent *e) {
|
|
const auto isBackspace = (e->key() == Qt::Key_Backspace);
|
|
const auto isBeginning = (cursorPosition() == 0);
|
|
if (isBackspace && isBeginning && !hasSelectedText()) {
|
|
_erasePrevious.fire({});
|
|
} else {
|
|
MaskedInputField::keyPressEvent(e);
|
|
}
|
|
}
|
|
|
|
void TimePart::wheelEvent(QWheelEvent *e) {
|
|
const auto direction = WheelDirection(e);
|
|
const auto now = number();
|
|
if (!now.has_value()) {
|
|
return;
|
|
}
|
|
auto time = *now + (direction * _wheelStep);
|
|
const auto max = _maxValue + 1;
|
|
if (time < 0) {
|
|
time += max;
|
|
} else if (time >= max) {
|
|
time -= max;
|
|
}
|
|
setText(QString::number(time));
|
|
Ui::MaskedInputField::changed();
|
|
}
|
|
|
|
void TimePart::correctValue(
|
|
const QString &was,
|
|
int wasCursor,
|
|
QString &now,
|
|
int &nowCursor) {
|
|
auto newText = QString();
|
|
auto newCursor = -1;
|
|
const auto oldCursor = nowCursor;
|
|
const auto oldLength = now.size();
|
|
auto accumulated = 0;
|
|
auto limit = 0;
|
|
for (; limit != oldLength; ++limit) {
|
|
if (now[limit].isDigit()) {
|
|
accumulated *= 10;
|
|
accumulated += (now[limit].unicode() - '0');
|
|
if (accumulated > _maxValue || limit == _maxDigits) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
for (auto i = 0; i != limit;) {
|
|
if (now[i].isDigit()) {
|
|
newText += now[i];
|
|
}
|
|
if (++i == oldCursor) {
|
|
newCursor = newText.size();
|
|
}
|
|
}
|
|
if (newCursor < 0) {
|
|
newCursor = newText.size();
|
|
}
|
|
if (newText != now) {
|
|
now = newText;
|
|
setText(now);
|
|
startPlaceholderAnimation();
|
|
}
|
|
if (newCursor != nowCursor) {
|
|
nowCursor = newCursor;
|
|
setCursorPosition(nowCursor);
|
|
}
|
|
if (accumulated > _maxValue
|
|
|| (limit == _maxDigits && oldLength > _maxDigits)) {
|
|
if (oldCursor > limit) {
|
|
_putNext.fire('0' + (accumulated % 10));
|
|
} else {
|
|
_putNext.fire(0);
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace Ui
|