Make use of chrono literals from std library

src/gui/mainwindow.cpp

@@ -1762,7 +1762,7 @@ void MainWindow::createTrayIcon(const int retries)
         if (retries > 0)
         {
             LogMsg(tr("System tray icon is not available, retrying..."), Log::WARNING);
-            QTimer::singleShot(std::chrono::seconds(2), this, [this, retries]()
+            QTimer::singleShot(2s, this, [this, retries]()
             {
                 if (Preferences::instance()->systemTrayEnabled())
                     createTrayIcon(retries - 1);

src/gui/properties/speedplotview.cpp

@@ -267,7 +267,7 @@ quint64 SpeedPlotView::maxYValue() const
         if (!m_properties[static_cast<GraphID>(id)].enable)
             continue;
 
-        milliseconds duration {0ms};
+        milliseconds duration {0};
         for (int i = static_cast<int>(queue.size()) - 1; i >= 0; --i)
         {
             maxYValue = std::max(maxYValue, queue[i].data[id]);
@@ -360,7 +360,7 @@ void SpeedPlotView::paintEvent(QPaintEvent *)
             continue;
 
         QVector<QPoint> points;
-        milliseconds duration {0ms};
+        milliseconds duration {0};
 
         for (int i = static_cast<int>(queue.size()) - 1; i >= 0; --i)
         {

src/gui/properties/speedplotview.h

@@ -111,7 +111,7 @@ private:
     private:
         const milliseconds m_resolution;
         const milliseconds m_maxDuration;
-        milliseconds m_currentDuration {0ms};
+        milliseconds m_currentDuration {0};
         int m_counter = 0;
         SampleData m_accumulator {};
         DataCircularBuffer m_sink {};

src/gui/properties/speedwidget.cpp

@@ -32,7 +32,6 @@
 #include <QHBoxLayout>
 #include <QLabel>
 #include <QMenu>
-#include <QTimer>
 #include <QVBoxLayout>
 
 #include "base/bittorrent/session.h"

src/gui/shutdownconfirmdialog.cpp

@@ -29,6 +29,8 @@
 
 #include "shutdownconfirmdialog.h"
 
+#include <chrono>
+
 #include <QDialogButtonBox>
 #include <QIcon>
 #include <QPushButton>
@@ -38,6 +40,8 @@
 #include "ui_shutdownconfirmdialog.h"
 #include "utils.h"
 
+using namespace std::chrono_literals;
+
 ShutdownConfirmDialog::ShutdownConfirmDialog(QWidget *parent, const ShutdownDialogAction &action)
     : QDialog(parent)
     , m_ui(new Ui::ShutdownConfirmDialog)
@@ -64,7 +68,7 @@ ShutdownConfirmDialog::ShutdownConfirmDialog(QWidget *parent, const ShutdownDial
     setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
     move(Utils::Gui::screenCenter(this));
 
-    m_timer.setInterval(1000); // 1sec
+    m_timer.setInterval(1s);
     connect(&m_timer, &QTimer::timeout, this, &ShutdownConfirmDialog::updateSeconds);
 }