src: fix qt 5.15 warnings

src/daemon/DaemonManager.cpp

@@ -200,9 +200,9 @@ bool DaemonManager::stopWatcher(NetworkType::Type nettype) const
             if(counter >= 5) {
                 qDebug() << "Killing it! ";
 #ifdef Q_OS_WIN
-                QProcess::execute("taskkill /F /IM monerod.exe");
+                QProcess::execute("taskkill",  {"/F", "/IM", "monerod.exe"});
 #else
-                QProcess::execute("pkill monerod");
+                QProcess::execute("pkill", {"monerod"});
 #endif
             }
 

src/libwalletqt/TransactionHistory.cpp

@@ -34,6 +34,7 @@
 #include <QDebug>
 #include <QReadLocker>
 #include <QWriteLocker>
+#include <QtGlobal>
 
 
 bool TransactionHistory::transaction(int index, std::function<void (TransactionInfo &)> callback)
@@ -58,7 +59,11 @@ bool TransactionHistory::transaction(int index, std::function<void (TransactionI
 
 void TransactionHistory::refresh(quint32 accountIndex)
 {
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
+    QDateTime firstDateTime = QDate(2014, 4, 18).startOfDay();
+#else
     QDateTime firstDateTime = QDateTime(QDate(2014, 4, 18)); // the genesis block
+#endif
     QDateTime lastDateTime  = QDateTime::currentDateTime().addDays(1); // tomorrow (guard against jitter and timezones)
 
     emit refreshStarted();
@@ -143,7 +148,11 @@ bool TransactionHistory::TransactionHistory::locked() const
 TransactionHistory::TransactionHistory(Monero::TransactionHistory *pimpl, QObject *parent)
     : QObject(parent), m_pimpl(pimpl), m_minutesToUnlock(0), m_locked(false)
 {
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
+    m_firstDateTime = QDate(2014, 4, 18).startOfDay();
+#else
     m_firstDateTime  = QDateTime(QDate(2014, 4, 18)); // the genesis block
+#endif
     m_lastDateTime = QDateTime::currentDateTime().addDays(1); // tomorrow (guard against jitter and timezones)
 }
 

src/model/TransactionHistorySortFilterModel.cpp

@@ -30,6 +30,7 @@
 #include "TransactionHistoryModel.h"
 
 #include <QDebug>
+#include <QtGlobal>
 
 namespace {
     /**
@@ -204,9 +205,14 @@ bool TransactionHistorySortFilterModel::filterAcceptsRow(int source_row, const Q
                 break;
             case TransactionHistoryModel::TransactionTimeStampRole:
             {
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
+                QDateTime from = dateFromFilter().startOfDay();
+                QDateTime to = dateToFilter().endOfDay();
+#else
                 QDateTime from = QDateTime(dateFromFilter());
                 QDateTime to   = QDateTime(dateToFilter());
                 to = to.addDays(1); // including upperbound
+#endif
                 QDateTime timestamp = data.toDateTime();
                 bool matchFrom = from.isNull() || timestamp.isNull() || timestamp >= from;
                 bool matchTo = to.isNull() || timestamp.isNull() || timestamp <= to;

src/qt/utils.cpp

@@ -28,6 +28,7 @@
 
 #include <QtCore>
 #include <QApplication>
+#include <QtGlobal>
 
 #include "TailsOS.h"
 #include "utils.h"
@@ -68,7 +69,8 @@ QByteArray fileOpen(QString path) {
 bool fileWrite(QString path, QString data) {
     QFile file(path);
     if(file.open(QIODevice::WriteOnly)){
-        QTextStream out(&file); out << data << endl;
+        QTextStream out(&file);
+        out << data << '\n';
         file.close();
         return true;
     }