Fix Qt4 build.

src/base/http/connection.cpp

@@ -32,6 +32,9 @@
 #include "connection.h"
 
 #include <QRegExp>
+#ifndef QBT_USES_QT5
+#include <QStringList>
+#endif
 #include <QTcpSocket>
 
 #include "irequesthandler.h"
@@ -107,7 +110,7 @@ bool Connection::acceptsGzipEncoding(QString codings)
 
     const auto isCodingAvailable = [](const QStringList &list, const QString &encoding) -> bool
     {
-        foreach (const QString &str, list) {
+        for (const QString &str: list) {
             if (!str.startsWith(encoding))
                 continue;
 
@@ -116,7 +119,11 @@ bool Connection::acceptsGzipEncoding(QString codings)
                 return true;
 
             // [rfc7231] 5.3.1. Quality Values
+#ifdef QBT_USES_QT5
             const QStringRef substr = str.midRef(encoding.size() + 3);  // ex. skip over "gzip;q="
+#else
+            const QString substr = str.mid(encoding.size() + 3);  // ex. skip over "gzip;q="
+#endif
 
             bool ok = false;
             const double qvalue = substr.toDouble(&ok);

src/base/http/responsegenerator.cpp

@@ -32,6 +32,9 @@
 #include "responsegenerator.h"
 
 #include <QDateTime>
+#ifndef QBT_USES_QT5
+#include <QLocale>
+#endif
 
 #include "base/utils/gzip.h"
 

src/base/http/server.cpp

@@ -62,7 +62,7 @@ Server::Server(IRequestHandler *requestHandler, QObject *parent)
 #endif
 
     QTimer *dropConnectionTimer = new QTimer(this);
-    connect(dropConnectionTimer, &QTimer::timeout, this, &Server::dropTimedOutConnection);
+    connect(dropConnectionTimer, SIGNAL(timeout()), SLOT(dropTimedOutConnection()));
     dropConnectionTimer->start(CONNECTIONS_SCAN_INTERVAL * 1000);
 }
 
@@ -70,7 +70,11 @@ Server::~Server()
 {
 }
 
+#ifdef QBT_USES_QT5
 void Server::incomingConnection(qintptr socketDescriptor)
+#else
+void Server::incomingConnection(int socketDescriptor)
+#endif
 {
     if (m_connections.size() >= CONNECTIONS_LIMIT) return;
 
@@ -91,7 +95,11 @@ void Server::incomingConnection(qintptr socketDescriptor)
     if (m_https) {
         static_cast<QSslSocket *>(serverSocket)->setProtocol(QSsl::SecureProtocols);
         static_cast<QSslSocket *>(serverSocket)->setPrivateKey(m_key);
+#ifdef QBT_USES_QT5
         static_cast<QSslSocket *>(serverSocket)->setLocalCertificateChain(m_certificates);
+#else
+        static_cast<QSslSocket *>(serverSocket)->setLocalCertificate(m_certificates.first());
+#endif
         static_cast<QSslSocket *>(serverSocket)->setPeerVerifyMode(QSslSocket::VerifyNone);
         static_cast<QSslSocket *>(serverSocket)->startServerEncryption();
     }
@@ -118,7 +126,14 @@ bool Server::setupHttps(const QByteArray &certificates, const QByteArray &key)
 {
     QSslKey sslKey(key, QSsl::Rsa);
     if (sslKey.isNull())
+#ifdef QBT_USES_QT5
         sslKey = QSslKey(key, QSsl::Ec);
+#else
+    {
+        disableHttps();
+        return false;
+    }
+#endif
 
     const QList<QSslCertificate> certs = QSslCertificate::fromData(certificates);
     const bool areCertsValid = !certs.empty() && std::all_of(certs.begin(), certs.end(), [](const QSslCertificate &c) { return !c.isNull(); });
@@ -143,14 +158,6 @@ void Server::disableHttps()
     m_certificates.clear();
     m_key.clear();
 }
-#ifdef QBT_USES_QT5
-#else
-void Server::incomingConnection(int socketDescriptor)
-#endif
-#ifdef QBT_USES_QT5
-#else
-            static_cast<QSslSocket *>(serverSocket)->setLocalCertificate(m_certificates.first());
-#endif
 
 QList<QSslCipher> Server::safeCipherList() const
 {

src/webui/abstractwebapplication.cpp

@@ -255,10 +255,6 @@ void AbstractWebApplication::translateDocument(QString& data)
                 translation = qApp->translate(context.toUtf8().constData(), word.constData(), 0, QCoreApplication::UnicodeUTF8, 1);
 #else
                 translation = qApp->translate(context.toUtf8().constData(), word.constData(), 0, 1);
-#endif
-#ifndef QBT_USES_QT5
-                        translation = qApp->translate(contexts[context_index].c_str(), word.constData(), 0, QCoreApplication::UnicodeUTF8, 1);
-#else
 #endif
             }
             // Remove keyboard shortcuts
@@ -397,16 +393,25 @@ QStringMap AbstractWebApplication::parseCookie(const Http::Request &request) con
     // [rfc6265] 4.2.1. Syntax
     QStringMap ret;
     const QString cookieStr = request.headers.value(QLatin1String("cookie"));
+#ifdef QBT_USES_QT5
     const QVector<QStringRef> cookies = cookieStr.splitRef(';', QString::SkipEmptyParts);
+#else
+    const QStringList cookies = cookieStr.split(';', QString::SkipEmptyParts);
+#endif
 
     for (const auto &cookie : cookies) {
         const int idx = cookie.indexOf('=');
         if (idx < 0)
             continue;
-
+#ifdef QBT_USES_QT5
         const QString name = cookie.left(idx).trimmed().toString();
         const QString value = Utils::String::unquote(cookie.mid(idx + 1).trimmed())
                                   .toString();
+#else
+        const QString name = cookie.left(idx).trimmed();
+        const QString value = Utils::String::unquote(cookie.mid(idx + 1).trimmed());
+#endif
+
         ret.insert(name, value);
     }
     return ret;