Initial commit (project based on widgets)
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Yury Shuvakin
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utility.cpp
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258
utility.cpp
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/*
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Original copyright 2018 Benjamin Vedder benjamin@vedder.se and the VESC Tool project ( https://github.com/vedderb/vesc_tool )
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Forked to:
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Copyright 2018 Danny Bokma github@diebie.nl (https://github.com/DieBieEngineering/DieBieMS-Tool)
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Now forked to:
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Copyright 2019 - 2020 Kevin Dionne kevin.dionne@ennoid.me (https://github.com/EnnoidMe/ENNOID-BMS-Tool)
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This file is part of ENNOID-BMS Tool.
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ENNOID-BMS Tool is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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ENNOID-BMS Tool is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "utility.h"
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#include <cmath>
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#include <QProgressDialog>
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#include <QEventLoop>
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#include <QNetworkAccessManager>
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#include <QUrl>
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#include <QNetworkRequest>
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#include <QDebug>
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#include <QNetworkReply>
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#include <QMessageBox>
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#include <QFile>
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#include <QFileInfo>
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#include <QtGlobal>
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#include <QNetworkInterface>
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#include <QDirIterator>
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#ifdef Q_OS_ANDROID
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#include <QtAndroid>
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#include <QAndroidJniObject>
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#include <QAndroidJniEnvironment>
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#endif
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Utility::Utility(QObject *parent) : QObject(parent)
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{
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}
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double Utility::map(double x, double in_min, double in_max, double out_min, double out_max)
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{
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return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
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}
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float Utility::throttle_curve(float val, float curve_acc, float curve_brake, int mode)
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{
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float ret = 0.0;
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float val_a = fabsf(val);
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if (val < -1.0f) {
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val = -1.0;
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}
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if (val > 1.0f) {
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val = 1.0;
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}
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float curve;
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if (val >= 0.0f) {
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curve = curve_acc;
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} else {
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curve = curve_brake;
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}
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// See
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// http://math.stackexchange.com/questions/297768/how-would-i-create-a-exponential-ramp-function-from-0-0-to-1-1-with-a-single-val
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if (mode == 0) { // Power
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if (curve >= 0.0f) {
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ret = 1.0f - powf(1.0f - val_a, 1.0f + curve);
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} else {
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ret = powf(val_a, 1.0f - curve);
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}
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} else if (mode == 1) { // Exponential
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if (fabsf(curve) < 1e-10f) {
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ret = val_a;
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} else {
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if (curve >= 0.0f) {
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ret = 1.0f - ((expf(curve * (1.0f - val_a)) - 1.0f) / (expf(curve) - 1.0f));
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} else {
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ret = (expf(-curve * val_a) - 1.0f) / (expf(-curve) - 1.0f);
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}
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}
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} else if (mode == 2) { // Polynomial
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if (curve >= 0.0f) {
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ret = 1.0f - ((1.0f - val_a) / (1.0f + curve * val_a));
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} else {
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ret = val_a / (1.0f - curve * (1.0f - val_a));
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}
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} else { // Linear
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ret = val_a;
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}
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if (val < 0.0f) {
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ret = -ret;
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}
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return ret;
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}
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bool Utility::autoconnectBlockingWithProgress(BMSInterface *dieBieMS, QWidget *parent)
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{
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if (!dieBieMS) {
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return false;
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}
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QProgressDialog dialog("Autoconnecting...", QString(), 0, 0, parent);
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dialog.setWindowModality(Qt::WindowModal);
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dialog.show();
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bool res = dieBieMS->autoconnect();
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if (!res) {
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dieBieMS->emitMessageDialog(QObject::tr("Autoconnect"),
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QObject::tr("Could not autoconnect. Make sure that the USB cable is plugged in"
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" and that the ENNOID-BMS is powered."),
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false);
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}
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return res;
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}
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void Utility::checkVersion(BMSInterface *dieBieMS)
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{
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QString version = QString::number(DT_VERSION);
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QUrl url("https://raw.githubusercontent.com/EnnoidMe/ENNOID-BMS-Tool/ENNOID/res/ennoidbmstool-version.html");
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QNetworkAccessManager manager;
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QNetworkRequest request(url);
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QNetworkReply *reply = manager.get(request);
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QEventLoop loop;
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QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
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loop.exec();
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QString res = QString::fromUtf8(reply->readAll());
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if (res.startsWith("ennoidbmstoolversion")) {
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res.remove(0, 20);
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res.remove(res.indexOf("ennoidbmstoolversion"), res.size());
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if (res.toDouble() > version.toDouble()) {
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if (dieBieMS) {
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dieBieMS->emitStatusMessage("A new version of ENNOID-BMS Tool is available", true);
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} else {
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qDebug() << "A new version of ENNOID-BMS Tool is available. Go to www.ennoid.me to download it"
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"and get all the latest features.";
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}
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}
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} else {
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qWarning() << res;
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}
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}
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QString Utility::fwChangeLog()
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{
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QFile cl("://res/firmwares/CHANGELOG");
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if (cl.open(QIODevice::ReadOnly | QIODevice::Text)) {
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return QString::fromUtf8(cl.readAll());
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} else {
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return "";
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}
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}
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QString Utility::vescToolChangeLog()
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{
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QFile cl("://res/CHANGELOG");
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if (cl.open(QIODevice::ReadOnly | QIODevice::Text)) {
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return QString::fromUtf8(cl.readAll());
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} else {
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return "";
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}
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}
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QString Utility::aboutText()
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{
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return tr("<b>ENNOID-BMS Tool V%1</b><br>"
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"© Kevin Dionne 2019<br>"
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"<a href=\"mailto:kevin.dionne@ennoid.me\">kevin.dionne@ennoid.me</a><br>"
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"<a href=\"https://www.ennoid.me/\">https://www.ennoid.me/</a><br>"
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"Based on: DieBieMS-tool<br>"
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"<br>"
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"<b>DieBieMS Tool </b><br>"
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"© Danny Bokma 2018<br>"
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"<a href=\"mailto:bms@diebie.nl\">bms@diebie.nl</a><br>"
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"<a href=\"https://diebie.nl/\">https://diebie.nl/</a><br>"
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"Based on: VESC-tool<br>"
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"<br>"
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"<b>VESC Tool </b><br>"
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"© Benjamin Vedder 2018<br>"
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"<a href=\"mailto:benjamin@vedder.se\">benjamin@vedder.se</a><br>"
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"<a href=\"https://vesc-project.com/\">https://vesc-project.com/</a><br>"
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"<br>").
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arg(QString::number(DT_VERSION, 'f', 1));
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}
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QString Utility::uuid2Str(QByteArray uuid, bool space)
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{
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QString strUuid;
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for (int i = 0;i < uuid.size();i++) {
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QString str = QString::number(uuid.at(i), 16).
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rightJustified(2, '0').toUpper();
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strUuid.append(((i > 0 && space) ? " " : "") + str);
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}
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return strUuid;
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}
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bool Utility::requestFilePermission()
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{
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#ifdef Q_OS_ANDROID
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// Note: The following should work on Qt 5.10
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// https://codereview.qt-project.org/#/c/199162/
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// QtAndroid::PermissionResult r = QtAndroid::checkPermission("android.permission.WRITE_EXTERNAL_STORAGE");
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// if(r == QtAndroid::PermissionResult::Denied) {
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// QtAndroid::requestPermissionsSync( QStringList() << "android.permission.WRITE_EXTERNAL_STORAGE" );
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// r = QtAndroid::checkPermission("android.permission.WRITE_EXTERNAL_STORAGE");
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// if(r == QtAndroid::PermissionResult::Denied) {
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// return false;
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// }
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// }
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return true;
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#else
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return true;
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#endif
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}
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bool Utility::waitSignal(QObject *sender, QString signal, int timeoutMs)
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{
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QEventLoop loop;
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QTimer timeoutTimer;
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timeoutTimer.setSingleShot(true);
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timeoutTimer.start(timeoutMs);
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auto conn1 = QObject::connect(sender, signal.toLocal8Bit().data(), &loop, SLOT(quit()));
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auto conn2 = QObject::connect(&timeoutTimer, SIGNAL(timeout()), &loop, SLOT(quit()));
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loop.exec();
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QObject::disconnect(conn1);
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QObject::disconnect(conn2);
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return timeoutTimer.isActive();
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}
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bool Utility::almostEqual(double A, double B, double eps)
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{
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return fabs(A - B) <= eps * fmax(1.0f, fmax(fabs(A), fabs(B)));
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}
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