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Use uniform_int_distribution for generating PINs

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This commit is contained in:
Cameron Gutman 2020-07-12 13:19:26 -07:00
parent 16bb4a148e
commit d1c4ca5eae
3 changed files with 15 additions and 1 deletions
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2
app/gui/PcView.qml
View file

@ -187,7 +187,7 @@ CenteredGridView {
}
else {
if (!model.busy) {
var pin = ("0000" + Math.floor(Math.random() * 10000)).slice(-4)
var pin = computerModel.generatePinString()
// Kick off pairing in the background
computerModel.pairComputer(index, pin)

12
app/gui/computermodel.cpp
View file

@ -2,6 +2,8 @@
#include <QThreadPool>
#include <random>
ComputerModel::ComputerModel(QObject* object)
: QAbstractListModel(object) {}
@ -135,6 +137,16 @@ void ComputerModel::renameComputer(int computerIndex, QString name)
m_ComputerManager->renameHost(m_Computers[computerIndex], name);
}
// TODO: Use QRandomGenerator when we drop Qt 5.9 support
QString ComputerModel::generatePinString()
{
std::uniform_int_distribution<int> dist(0, 9999);
std::random_device rd;
std::mt19937 engine(rd());
return QString::asprintf("%04u", dist(engine));
}
void ComputerModel::pairComputer(int computerIndex, QString pin)
{
Q_ASSERT(computerIndex < m_Computers.count());

2
app/gui/computermodel.h
View file

@ -31,6 +31,8 @@ public:
Q_INVOKABLE void deleteComputer(int computerIndex);
Q_INVOKABLE QString generatePinString();
Q_INVOKABLE void pairComputer(int computerIndex, QString pin);
Q_INVOKABLE void wakeComputer(int computerIndex);