lib_ui/ui/widgets/fields/number_input.cpp

49 lines
1.2 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/number_input.h"
namespace Ui {
NumberInput::NumberInput(
QWidget *parent,
const style::InputField &st,
rpl::producer<QString> placeholder,
const QString &value,
int limit)
: MaskedInputField(parent, st, std::move(placeholder), value)
, _limit(limit) {
if (!value.toInt() || (limit > 0 && value.toInt() > limit)) {
setText(QString());
}
}
void NumberInput::correctValue(
const QString &was,
int wasCursor,
QString &now,
int &nowCursor) {
QString newText;
newText.reserve(now.size());
auto newPos = nowCursor;
for (auto i = 0, l = int(now.size()); i < l; ++i) {
if (now.at(i).isDigit()) {
newText.append(now.at(i));
} else if (i < nowCursor) {
--newPos;
}
}
if (!newText.toInt()) {
newText = QString();
newPos = 0;
} else if (_limit > 0 && newText.toInt() > _limit) {
newText = was;
newPos = wasCursor;
}
setCorrectedText(now, nowCursor, newText, newPos);
}
} // namespace Ui