openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.

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#include "selfdrive/ui/qt/widgets/drive_stats.h"
#include <QDebug>
#include <QGridLayout>
#include <QJsonObject>
#include <QVBoxLayout>
#include "common/params.h"
#include "selfdrive/ui/qt/request_repeater.h"
#include "selfdrive/ui/qt/util.h"
static QLabel* newLabel(const QString& text, const QString &type) {
QLabel* label = new QLabel(text);
label->setProperty("type", type);
return label;
}
DriveStats::DriveStats(QWidget* parent) : QFrame(parent) {
metric_ = Params().getBool("IsMetric");
QVBoxLayout* main_layout = new QVBoxLayout(this);
main_layout->setContentsMargins(50, 50, 50, 60);
auto add_stats_layouts = [=](const QString &title, StatsLabels& labels) {
QGridLayout* grid_layout = new QGridLayout;
grid_layout->setVerticalSpacing(10);
grid_layout->setContentsMargins(0, 10, 0, 10);
int row = 0;
grid_layout->addWidget(newLabel(title, "title"), row++, 0, 1, 3);
grid_layout->addItem(new QSpacerItem(0, 50), row++, 0, 1, 1);
grid_layout->addWidget(labels.routes = newLabel("0", "number"), row, 0, Qt::AlignLeft);
grid_layout->addWidget(labels.distance = newLabel("0", "number"), row, 1, Qt::AlignLeft);
grid_layout->addWidget(labels.hours = newLabel("0", "number"), row, 2, Qt::AlignLeft);
grid_layout->addWidget(newLabel((tr("Drives")), "unit"), row + 1, 0, Qt::AlignLeft);
grid_layout->addWidget(labels.distance_unit = newLabel(getDistanceUnit(), "unit"), row + 1, 1, Qt::AlignLeft);
grid_layout->addWidget(newLabel(tr("Hours"), "unit"), row + 1, 2, Qt::AlignLeft);
main_layout->addLayout(grid_layout);
};
add_stats_layouts(tr("ALL TIME"), all_);
main_layout->addStretch();
add_stats_layouts(tr("PAST WEEK"), week_);
if (auto dongleId = getDongleId()) {
QString url = CommaApi::BASE_URL + "/v1.1/devices/" + *dongleId + "/stats";
RequestRepeater* repeater = new RequestRepeater(this, url, "ApiCache_DriveStats", 30);
QObject::connect(repeater, &RequestRepeater::requestDone, this, &DriveStats::parseResponse);
}
setStyleSheet(R"(
DriveStats {
background-color: #333333;
border-radius: 10px;
}
QLabel[type="title"] { font-size: 51px; font-weight: 500; }
QLabel[type="number"] { font-size: 78px; font-weight: 500; }
QLabel[type="unit"] { font-size: 51px; font-weight: 300; color: #A0A0A0; }
)");
}
void DriveStats::updateStats() {
auto update = [=](const QJsonObject& obj, StatsLabels& labels) {
labels.routes->setText(QString::number((int)obj["routes"].toDouble()));
labels.distance->setText(QString::number(int(obj["distance"].toDouble() * (metric_ ? MILE_TO_KM : 1))));
labels.distance_unit->setText(getDistanceUnit());
labels.hours->setText(QString::number((int)(obj["minutes"].toDouble() / 60)));
};
QJsonObject json = stats_.object();
update(json["all"].toObject(), all_);
update(json["week"].toObject(), week_);
}
void DriveStats::parseResponse(const QString& response, bool success) {
if (!success) return;
QJsonDocument doc = QJsonDocument::fromJson(response.trimmed().toUtf8());
if (doc.isNull()) {
qDebug() << "JSON Parse failed on getting past drives statistics";
return;
}
stats_ = doc;
updateStats();
}
void DriveStats::showEvent(QShowEvent* event) {
bool metric = Params().getBool("IsMetric");
if (metric_ != metric) {
metric_ = metric;
updateStats();
}
}