REFAC: Remove code specific to non-supported Qt versions

This has been done under the assumption that we require at least Qt 6.2

src/ACL.cpp

@@ -106,13 +106,7 @@ QFlags< ChanACL::Perm > ChanACL::effectivePermissions(ServerUser *p, Channel *ch
 		return static_cast< Permissions >(All & ~(Speak | Whisper));
 	}
 
-#	if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
-	// Qt 5.15 introduced a default constructor that initializes the flags to be set to no flags
 	Permissions granted;
-#	else
-	// Before Qt 5.15 we have emulate the default constructor by assigning a literal zero
-	Permissions granted = 0;
-#	endif
 
 	if (cache) {
 		QHash< Channel *, Permissions > *h = cache->value(p);

src/Connection.cpp

@@ -243,19 +243,11 @@ QSslCipher Connection::sessionCipher() const {
 }
 
 QSsl::SslProtocol Connection::sessionProtocol() const {
-#if QT_VERSION >= 0x050400
 	return qtsSocket->sessionProtocol();
-#else
-	return QSsl::UnknownProtocol; // Cannot determine session cipher. We only know it's some TLS variant
-#endif
 }
 
 QString Connection::sessionProtocolString() const {
-#if QT_VERSION >= 0x050400
 	return MumbleSSL::protocolToString(sessionProtocol());
-#else
-	return QLatin1String("TLS");  // Cannot determine session cipher. We only know it's some TLS variant
-#endif
 }
 
 #ifdef Q_OS_WIN

src/SSL.cpp

@@ -75,18 +75,10 @@ QList< QSslCipher > MumbleSSL::ciphersFromOpenSSLCipherString(QString cipherStri
 		if (!name) {
 			break;
 		}
-#if QT_VERSION >= 0x050300
 		QSslCipher c = QSslCipher(QString::fromLatin1(name));
 		if (!c.isNull()) {
 			chosenCiphers << c;
 		}
-#else
-		foreach (const QSslCipher &c, QSslSocket::supportedCiphers()) {
-			if (c.name() == QString::fromLatin1(name)) {
-				chosenCiphers << c;
-			}
-		}
-#endif
 		++i;
 	}
 
@@ -97,16 +89,11 @@ QList< QSslCipher > MumbleSSL::ciphersFromOpenSSLCipherString(QString cipherStri
 }
 
 void MumbleSSL::addSystemCA() {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
-	// Qt 5.15 introduced adding certificates to the QSslConfiguration and deprecated doing so on QSslSocket
 	auto config = QSslConfiguration::defaultConfiguration();
 
 	config.addCaCertificates(QSslConfiguration::systemCaCertificates());
 
 	QSslConfiguration::setDefaultConfiguration(config);
-#else
-	QSslSocket::addDefaultCaCertificates(QSslConfiguration::systemCaCertificates());
-#endif
 
 #ifdef Q_OS_WIN
 	// Work around issue #1271.
@@ -144,18 +131,16 @@ void MumbleSSL::addSystemCA() {
 
 QString MumbleSSL::protocolToString(QSsl::SslProtocol protocol) {
 	switch (protocol) {
-#if QT_VERSION < 0x060300
+#if QT_VERSION < QT_VERSION_CHECK(6, 3, 0)
 		case QSsl::TlsV1_0:
 			return QLatin1String("TLS 1.0");
 		case QSsl::TlsV1_1:
 			return QLatin1String("TLS 1.1");
 #endif
 		case QSsl::TlsV1_2:
 			return QLatin1String("TLS 1.2");
-#if QT_VERSION >= 0x050C00
 		case QSsl::TlsV1_3:
 			return QLatin1String("TLS 1.3");
-#endif
 		case QSsl::AnyProtocol:
 			return QLatin1String("AnyProtocol");
 		case QSsl::SecureProtocols:

src/ServerResolver.cpp

@@ -79,13 +79,9 @@ void ServerResolverPrivate::srvResolved() {
 }
 
 void ServerResolverPrivate::hostResolved(QHostInfo hostInfo) {
-	const int lookupId  = hostInfo.lookupId();
-	const qsizetype idx = m_hostInfoIdToIndexMap[lookupId];
-#if QT_VERSION >= 0x060000
+	const int lookupId       = hostInfo.lookupId();
+	const qsizetype idx      = m_hostInfoIdToIndexMap[lookupId];
 	QDnsServiceRecord record = m_srvQueue.at(idx);
-#else
-	QDnsServiceRecord record = m_srvQueue.at(static_cast< int >(idx));
-#endif
 
 	if (hostInfo.error() == QHostInfo::NoError) {
 		QList< QHostAddress > resolvedAddresses = hostInfo.addresses();

src/mumble/ACLEditor.cpp

@@ -15,11 +15,7 @@
 #include "User.h"
 #include "widgets/EventFilters.h"
 
-#if QT_VERSION >= 0x050000
-#	include <QtWidgets/QMessageBox>
-#else
-#	include <QtGui/QMessageBox>
-#endif
+#include <QtWidgets/QMessageBox>
 
 #include "Global.h"
 
@@ -794,11 +790,7 @@ void ACLEditor::on_qpbACLUp_clicked() {
 	if (idx <= numInheritACL + 1)
 		return;
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 13, 0)
 	qlACLs.swapItemsAt(idx - 1, idx);
-#else
-	qlACLs.swap(idx - 1, idx);
-#endif
 	qlwACLs->setCurrentRow(qlwACLs->currentRow() - 1);
 	refillACL();
 }
@@ -812,11 +804,7 @@ void ACLEditor::on_qpbACLDown_clicked() {
 	if (idx >= qlACLs.count())
 		return;
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 13, 0)
 	qlACLs.swapItemsAt(idx - 1, idx);
-#else
-	qlACLs.swap(idx - 1, idx);
-#endif
 	qlwACLs->setCurrentRow(qlwACLs->currentRow() + 1);
 	refillACL();
 }

src/mumble/API_v_1_x_x.cpp

@@ -1213,13 +1213,8 @@ QVariant getMumbleSettingHelper(mumble_settings_key_t key) {
 
 // IS_TYPE actually only checks if the QVariant can be converted to the needed type since that's all that we really care
 // about at the end of the day.
-#if QT_VERSION >= 0x060000
-#	define IS_TYPE(var, varType) static_cast< QMetaType::Type >(var.typeId()) == varType
-#	define IS_NOT_TYPE(var, varType) static_cast< QMetaType::Type >(var.typeId()) != varType
-#else
-#	define IS_TYPE(var, varType) static_cast< QMetaType::Type >(var.type()) == varType
-#	define IS_NOT_TYPE(var, varType) static_cast< QMetaType::Type >(var.type()) != varType
-#endif
+#define IS_TYPE(var, varType) static_cast< QMetaType::Type >(var.typeId()) == varType
+#define IS_NOT_TYPE(var, varType) static_cast< QMetaType::Type >(var.typeId()) != varType
 
 void MumbleAPI::getMumbleSetting_bool_v_1_0_x(mumble_plugin_id_t callerID, mumble_settings_key_t key, bool *outValue,
 											  std::shared_ptr< api_promise_t > promise) {

src/mumble/ASIOInput.cpp

@@ -95,11 +95,7 @@ void ASIOInit::initialize() {
 		DWORD keynamelen = 255;
 		WCHAR keyname[255];
 		while (RegEnumKeyEx(hkDevs, idx++, keyname, &keynamelen, nullptr, nullptr, nullptr, &ft) == ERROR_SUCCESS) {
-#if QT_VERSION >= 0x060000
 			QString name = QString::fromUtf16(reinterpret_cast< char16_t * >(keyname), keynamelen);
-#else
-			QString name = QString::fromUtf16(reinterpret_cast< ushort * >(keyname), keynamelen);
-#endif
 			if (RegOpenKeyEx(hkDevs, keyname, 0, KEY_READ, &hk) == ERROR_SUCCESS) {
 				DWORD dtype = REG_SZ;
 				WCHAR wclsid[255];
@@ -109,13 +105,8 @@ void ASIOInit::initialize() {
 					== ERROR_SUCCESS) {
 					if (datasize > 76)
 						datasize = 76;
-#if QT_VERSION >= 0x060000
 					QString qsCls =
 						QString::fromUtf16(reinterpret_cast< char16_t * >(wclsid), datasize / 2).toLower().trimmed();
-#else
-					QString qsCls =
-						QString::fromUtf16(reinterpret_cast< ushort * >(wclsid), datasize / 2).toLower().trimmed();
-#endif
 					if (!blacklist.contains(qsCls.toLower()) && !FAILED(CLSIDFromString(wclsid, &clsid))) {
 						bFound = true;
 					}
@@ -163,11 +154,7 @@ ASIOConfig::ASIOConfig(Settings &st) : ConfigWidget(st) {
 		DWORD idx        = 0;
 		DWORD keynamelen = keynamebufsize;
 		while (RegEnumKeyEx(hkDevs, idx++, keyname, &keynamelen, nullptr, nullptr, nullptr, &ft) == ERROR_SUCCESS) {
-#if QT_VERSION >= 0x060000
 			QString deviceName = QString::fromUtf16(reinterpret_cast< char16_t * >(keyname), keynamelen);
-#else
-			QString deviceName = QString::fromUtf16(reinterpret_cast< ushort * >(keyname), keynamelen);
-#endif
 			HKEY hk;
 			if (RegOpenKeyEx(hkDevs, keyname, 0, KEY_READ, &hk) == ERROR_SUCCESS) {
 				DWORD dtype = REG_SZ;
@@ -177,13 +164,8 @@ ASIOConfig::ASIOConfig(Settings &st) : ConfigWidget(st) {
 					== ERROR_SUCCESS) {
 					if (datasize > 76)
 						datasize = 76;
-#if QT_VERSION >= 0x060000
 					QString qsCls =
 						QString::fromUtf16(reinterpret_cast< char16_t * >(wclsid), datasize / 2).toLower().trimmed();
-#else
-					QString qsCls =
-						QString::fromUtf16(reinterpret_cast< ushort * >(wclsid), datasize / 2).toLower().trimmed();
-#endif
 					CLSID clsid;
 					if (!blacklist.contains(qsCls) && !FAILED(CLSIDFromString(wclsid, &clsid))) {
 						ASIODev ad(std::move(deviceName), qsCls);

src/mumble/AudioStats.cpp

@@ -307,12 +307,7 @@ AudioStats::AudioStats(QWidget *p) : QDialog(p) {
 AudioStats::~AudioStats() {
 }
 
-#if QT_VERSION >= 0x050500
-#	define FORMAT_TO_TXT(format, arg) txt = QString::asprintf(format, arg)
-#else
-// sprintf() has been deprecated in Qt 5.5 in favor for the static QString::asprintf()
-#	define FORMAT_TO_TXT(format, arg) txt.sprintf(format, arg)
-#endif
+#define FORMAT_TO_TXT(format, arg) txt = QString::asprintf(format, arg)
 void AudioStats::on_Tick_timeout() {
 	AudioInputPtr ai = Global::get().ai;
 

src/mumble/ConfigDialog.cpp

@@ -252,11 +252,7 @@ void ConfigDialog::updateListView() {
 	int configNavbarWidth = 0;
 
 	foreach (ConfigWidget *cw, qmWidgets) {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
 		configNavbarWidth = qMax(configNavbarWidth, qfm.horizontalAdvance(cw->title()));
-#else
-		configNavbarWidth = qMax(configNavbarWidth, qfm.width(cw->title()));
-#endif
 
 		QListWidgetItem *i = new QListWidgetItem(qlwIcons);
 		i->setIcon(cw->icon());

src/mumble/ConnectDialog.cpp

@@ -108,7 +108,7 @@ ServerView::ServerView(QWidget *p) : QTreeWidget(p) {
 	siLAN->setExpanded(true);
 	siLAN->setHidden(true);
 #else
-	siLAN = nullptr;
+	siLAN         = nullptr;
 #endif
 
 	if (!Global::get().s.bDisablePublicList) {
@@ -130,11 +130,7 @@ ServerView::~ServerView() {
 	delete siPublic;
 }
 
-#if QT_VERSION >= 0x060000
 QMimeData *ServerView::mimeData(const QList< QTreeWidgetItem * > &mimeitems) const {
-#else
-QMimeData *ServerView::mimeData(const QList< QTreeWidgetItem * > mimeitems) const {
-#endif
 	if (mimeitems.isEmpty())
 		return nullptr;
 
@@ -233,7 +229,7 @@ ServerItem::ServerItem(const FavoriteServer &fs) : QTreeWidgetItem(QTreeWidgetIt
 		qsHostname = fs.qsHostname;
 	}
 #else
-	qsHostname = fs.qsHostname;
+	qsHostname    = fs.qsHostname;
 #endif
 	init();
 }
@@ -274,7 +270,7 @@ ServerItem::ServerItem(const QString &name, const QString &host, unsigned short
 		qsHostname = host;
 	}
 #else
-	qsHostname = host;
+	qsHostname    = host;
 #endif
 	init();
 }
@@ -1216,7 +1212,7 @@ void ConnectDialog::on_qaFavoriteEdit_triggered() {
 	else
 		host = si->qsHostname;
 #else
-	host = si->qsHostname;
+	host          = si->qsHostname;
 #endif
 	ConnectDialogEdit *cde = new ConnectDialogEdit(this, si->qsName, host, si->qsUsername, si->usPort, si->qsPassword);
 
@@ -1243,7 +1239,7 @@ void ConnectDialog::on_qaFavoriteEdit_triggered() {
 				si->zeroconfRecord = BonjourRecord();
 			}
 #else
-			si->qsHostname = cde->qsHostname;
+            si->qsHostname = cde->qsHostname;
 #endif
 			startDns(si);
 		}
@@ -1422,13 +1418,8 @@ void ConnectDialog::onResolved(const BonjourRecord record, const QString host, c
 
 void ConnectDialog::onUpdateLanList(const QList< BonjourRecord > &list) {
 	QSet< ServerItem * > items;
-#	if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
 	QSet< ServerItem * > old =
 		QSet< ServerItem * >(qtwServers->siLAN->qlChildren.begin(), qtwServers->siLAN->qlChildren.end());
-#	else
-	// In Qt 5.14 QList::toSet() has been deprecated as there exists a dedicated constructor of QSet for this now
-	QSet< ServerItem * > old = qtwServers->siLAN->qlChildren.toSet();
-#	endif
 
 	foreach (const BonjourRecord &record, list) {
 		bool found = false;
@@ -1767,12 +1758,7 @@ void ConnectDialog::sendPing(const QHostAddress &host, unsigned short port, Vers
 	if (qhPingRand.contains(addr)) {
 		uiRand = qhPingRand.value(addr);
 	} else {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
 		uiRand = QRandomGenerator::global()->generate64() << 32;
-#else
-		// Qt 5.10 introduces the QRandomGenerator class and in Qt 5.15 qrand got deprecated in its favor
-		uiRand = (static_cast< quint64 >(qrand()) << 32) | static_cast< quint64 >(qrand());
-#endif
 		qhPingRand.insert(addr, uiRand);
 	}
 

src/mumble/ConnectDialog.h

@@ -101,11 +101,7 @@ class ServerView : public QTreeWidget {
 	void fixupName(ServerItem *si);
 
 protected:
-#if QT_VERSION >= 0x060000
 	QMimeData *mimeData(const QList< QTreeWidgetItem * > &) const Q_DECL_OVERRIDE;
-#else
-	QMimeData *mimeData(const QList< QTreeWidgetItem * >) const Q_DECL_OVERRIDE;
-#endif
 	QStringList mimeTypes() const Q_DECL_OVERRIDE;
 	Qt::DropActions supportedDropActions() const Q_DECL_OVERRIDE;
 	bool dropMimeData(QTreeWidgetItem *, int, const QMimeData *, Qt::DropAction) Q_DECL_OVERRIDE;

src/mumble/GKey.cpp

@@ -94,11 +94,7 @@ GKeyLibrary::GKeyLibrary() {
 	if (RegOpenKeyEx(GKEY_LOGITECH_DLL_REG_HKEY, GKEY_LOGITECH_DLL_REG_PATH, 0, KEY_READ, &key) == ERROR_SUCCESS) {
 		LONG err = RegQueryValueEx(key, L"", nullptr, &type, reinterpret_cast< LPBYTE >(wcLocation), &len);
 		if (err == ERROR_SUCCESS && type == REG_SZ) {
-#if QT_VERSION >= 0x060000
 			const auto qsLocation = QString::fromUtf16(reinterpret_cast< char16_t * >(wcLocation), len / 2);
-#else
-			const auto qsLocation = QString::fromUtf16(reinterpret_cast< ushort * >(wcLocation), len / 2);
-#endif
 			qWarning("GKeyLibrary: Found ServerBinary with libLocation = \"%s\", len = %lu", qPrintable(qsLocation),
 					 static_cast< unsigned long >(len));
 			alternatives << qsLocation;