Set minimum supported Qt 5.12

CMakeLists.txt

@@ -1,7 +1,4 @@
-cmake_minimum_required(VERSION 3.10)
-if(POLICY CMP0074)
-    cmake_policy(SET CMP0074 NEW)
-endif()
+cmake_minimum_required(VERSION 3.16)
 project(qdigidoc4 VERSION 4.3.0)
 
 set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules)
@@ -15,7 +12,7 @@ find_package( PKCS11 )
 find_package(LibDigiDocpp 3.14.11 REQUIRED)
 find_package( LDAP REQUIRED )
 find_package(QT NAMES Qt6 Qt5 COMPONENTS Core REQUIRED)
-find_package(Qt${QT_VERSION_MAJOR} 5.9.0 REQUIRED COMPONENTS Core Widgets Network PrintSupport Svg LinguistTools)
+find_package(Qt${QT_VERSION_MAJOR} 5.12.0 REQUIRED COMPONENTS Core Widgets Network PrintSupport Svg LinguistTools)
 
 set_env( TSL_URL "https://ec.europa.eu/tools/lotl/eu-lotl.xml" CACHE STRING "TSL trust list primary URL" )
 set_env( TSL_INCLUDE "EE" CACHE STRING "TSL list include in binary" )

client/Application.cpp

@@ -268,7 +268,7 @@ class DigidocConf final: public digidoc::XmlConfCurrent
 			s.remove(QStringLiteral("TSA-URL")); // Cleanup user conf if it is default url
 		QList<QSslCertificate> list;
 		for(const QJsonValue &cert: obj.value(QStringLiteral("CERT-BUNDLE")).toArray())
-			list << QSslCertificate(QByteArray::fromBase64(cert.toString().toLatin1()), QSsl::Der);
+			list.append(QSslCertificate(QByteArray::fromBase64(cert.toString().toLatin1()), QSsl::Der));
 		QSslConfiguration ssl = QSslConfiguration::defaultConfiguration();
 		ssl.setCaCertificates(list);
 		QSslConfiguration::setDefaultConfiguration(ssl);
@@ -326,11 +326,13 @@ Application::Application( int &argc, char **argv )
 #endif
 	, d(new Private)
 {
+#ifdef CONFIG_URL
 	d->conf = new Configuration(this);
 	connect(d->conf, &Configuration::updateReminder,
 			[&](bool /* expired */, const QString & /* title */, const QString &message){
 		WarningDialog(message, qApp->activeWindow()).exec();
 	});
+#endif
 
 	qRegisterMetaType<TokenData>("TokenData");
 	qRegisterMetaType<QSmartCardData>("QSmartCardData");
@@ -404,10 +406,8 @@ Application::Application( int &argc, char **argv )
 				tl.remove();
 				QFile::copy(":/TSL/" + file, tl.fileName());
 				tl.setPermissions(QFile::Permissions(0x6444));
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
 				if(tl.open(QFile::Append))
 					tl.setFileTime(tslTime, QFileDevice::FileModificationTime);
-#endif
 			}
 		}
 
@@ -530,7 +530,7 @@ void Application::activate( QWidget *w )
 #ifdef Q_OS_WIN
 void Application::addTempFile(const QString &file)
 {
-	d->tempFiles << file;
+	d->tempFiles.append(file);
 }
 #endif
 
@@ -623,7 +623,7 @@ QVariant Application::confValue( ConfParameter parameter, const QVariant &value
 		{
 			std::vector<unsigned char> v = cert;
 			if(!v.empty())
-				list << QSslCertificate(QByteArray::fromRawData((const char*)v.data(), int(v.size())), QSsl::Der);
+				list.append(QSslCertificate(QByteArray::fromRawData((const char*)v.data(), int(v.size())), QSsl::Der));
 		}
 		return QVariant::fromValue(list);
 	}
@@ -983,16 +983,14 @@ void Application::openHelp()
 void Application::parseArgs( const QString &msg )
 {
 	QStringList params;
-
-
 #if QT_VERSION > QT_VERSION_CHECK(5, 14, 0)
 	for(const QString &param: msg.split(QStringLiteral("\", \""), Qt::SkipEmptyParts))
 #else
 	for(const QString &param: msg.split(QStringLiteral("\", \""), QString::SkipEmptyParts))
 #endif
 	{
 		QUrl url( param, QUrl::StrictMode );
-		params << (param != QLatin1String("-crypto") && !url.toLocalFile().isEmpty() ? url.toLocalFile() : param);
+		params.append(param != QLatin1String("-crypto") && !url.toLocalFile().isEmpty() ? url.toLocalFile() : param);
 	}
 	parseArgs( params );
 }
@@ -1118,20 +1116,7 @@ void Application::showClient(const QStringList &params, bool crypto, bool sign,
 #ifdef Q_OS_LINUX
 		else
 		{
-#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
-			QScreen *screen = [w]() -> QScreen* {
-				for (const QScreen *screen : QGuiApplication::screens()) {
-					for (QScreen *sibling : screen->virtualSiblings()) {
-						if (sibling->geometry().contains(w->pos()))
-							return sibling;
-					}
-				}
-				return nullptr;
-			}();
-#else
-			QScreen *screen = QGuiApplication::screenAt(w->pos());
-#endif
-			if(screen)
+			if(QScreen *screen = QGuiApplication::screenAt(w->pos()))
 				w->move(screen->availableGeometry().center() - w->frameGeometry().adjusted(0, 0, 10, 40).center());
 		}
 #endif

client/Application_mac.mm

@@ -25,12 +25,6 @@
 #include <QtCore/QUrlQuery>
 #include <QtGui/QDesktopServices>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
-namespace Qt {
-using ::endl;
-}
-#endif
-
 @implementation NSApplication (ApplicationObjC)
 
 - (void)appReopen:(NSAppleEventDescriptor *)event withReplyEvent:(NSAppleEventDescriptor *)replyEvent
@@ -46,7 +40,7 @@ - (void)openClient:(NSPasteboard *)pboard userData:(NSString *)data error:(NSStr
 	Q_UNUSED(error)
 	QStringList result;
 	for( NSString *filename in [pboard propertyListForType:NSFilenamesPboardType] )
-		result << QString::fromNSString(filename).normalized(QString::NormalizationForm_C);
+		result.append(QString::fromNSString(filename).normalized(QString::NormalizationForm_C));
 	QMetaObject::invokeMethod( qApp, "showClient", Q_ARG(QStringList,result) );
 }
 
@@ -56,7 +50,7 @@ - (void)signClient:(NSPasteboard *)pboard userData:(NSString *)data error:(NSStr
 	Q_UNUSED(error)
 	QStringList result;
 	for(NSString *filename in [pboard propertyListForType:NSFilenamesPboardType])
-		result << QString::fromNSString(filename).normalized(QString::NormalizationForm_C);
+		result.append(QString::fromNSString(filename).normalized(QString::NormalizationForm_C));
 	QMetaObject::invokeMethod(qApp, "showClient", Q_ARG(QStringList,result), Q_ARG(bool,false), Q_ARG(bool,true));
 }
 
@@ -66,7 +60,7 @@ - (void)openCrypto:(NSPasteboard *)pboard userData:(NSString *)data error:(NSStr
 	Q_UNUSED(error)
 	QStringList result;
 	for( NSString *filename in [pboard propertyListForType:NSFilenamesPboardType] )
-		result << QString::fromNSString(filename).normalized(QString::NormalizationForm_C);
+		result.append(QString::fromNSString(filename).normalized(QString::NormalizationForm_C));
 	QMetaObject::invokeMethod( qApp, "showClient", Q_ARG(QStringList,result), Q_ARG(bool,true) );
 }
 @end
@@ -121,8 +115,8 @@ - (void)openCrypto:(NSPasteboard *)pboard userData:(NSString *)data error:(NSStr
 		else if([appUrl.path rangeOfString:@"Entourage"].location != NSNotFound)
 		{
 			s << "on run" << Qt::endl
-			<< "set vattachment to \"" << q.queryItemValue("attachment") << "\"" << Qt::endl
-			<< "set vsubject to \"" << q.queryItemValue("subject") << "\"" << Qt::endl
+			<< "set vattachment to \"" << q.queryItemValue(QStringLiteral("attachment")) << "\"" << Qt::endl
+			<< "set vsubject to \"" << q.queryItemValue(QStringLiteral("subject")) << "\"" << Qt::endl
 			<< "tell application \"Microsoft Entourage\"" << Qt::endl
 			<< "set vmessage to make new outgoing message with properties" << Qt::endl
 			<< "{subject:vsubject, attachments:vattachment}" << Qt::endl
@@ -134,8 +128,8 @@ - (void)openCrypto:(NSPasteboard *)pboard userData:(NSString *)data error:(NSStr
 		else if([appUrl.path rangeOfString:@"Outlook"].location != NSNotFound)
 		{
 			s << "on run" << Qt::endl
-			<< "set vattachment to \"" << q.queryItemValue("attachment") << "\" as POSIX file" << Qt::endl
-			<< "set vsubject to \"" << q.queryItemValue("subject") << "\"" << Qt::endl
+			<< "set vattachment to \"" << q.queryItemValue(QStringLiteral("attachment")) << "\" as POSIX file" << Qt::endl
+			<< "set vsubject to \"" << q.queryItemValue(QStringLiteral("subject")) << "\"" << Qt::endl
 			<< "tell application \"Microsoft Outlook\"" << Qt::endl
 			<< "activate" << Qt::endl
 			<< "set vmessage to make new outgoing message with properties {subject:vsubject}" << Qt::endl

client/main.cpp

@@ -24,27 +24,11 @@
 #include <QtCore/QTimer>
 #include <QtCore/QRegularExpression>
 
-#ifdef Q_OS_WIN32
-#include <QtCore/QDebug>
-#include <QtCore/qt_windows.h>
-#endif
-
 int main( int argc, char *argv[] )
 {
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 	QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
-#ifdef Q_OS_WIN32
-	SetProcessDPIAware();
-	HDC screen = GetDC(nullptr);
-	qreal dpix = GetDeviceCaps(screen, LOGPIXELSX);
-	qreal dpiy = GetDeviceCaps(screen, LOGPIXELSY);
-	qreal scale = dpiy / qreal(96);
-	qputenv("QT_SCALE_FACTOR", QByteArray::number(scale));
-	ReleaseDC(nullptr, screen);
-	qDebug() << "Current DPI x: " << dpix << " y: " << dpiy << " setting scale:" << scale;
-#else
 	QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
-#endif
 #endif
 
 	for(int i = 1; i < argc; ++i)

client/widgets/ComboBox.h

@@ -17,6 +17,8 @@
  *
  */
 
+#pragma once
+
 #include <QtWidgets/QComboBox>
 
 class ComboBox: public QComboBox