Time to increase version + add Q_EMIT, port foreach

CMakeLists.txt

-cmake_minimum_required (VERSION 3.5 FATAL_ERROR)
+cmake_minimum_required (VERSION 3.16 FATAL_ERROR)
 
 # KDE Application Version, managed by release script
 set(RELEASE_SERVICE_VERSION_MAJOR "21")
@@ -9,8 +9,8 @@ set(RELEASE_SERVICE_VERSION "${RELEASE_SERVICE_VERSION_MAJOR}.${RELEASE_SERVICE_
 project(blinken VERSION ${RELEASE_SERVICE_VERSION})
 
 # minimal Qt requirement
-set(QT_MIN_VERSION "5.10.0")
-set(KF5_MIN_VERSION "5.55.0")
+set(QT_MIN_VERSION "5.15.0")
+set(KF5_MIN_VERSION "5.82.0")
 
 # ECM
 find_package (ECM ${KF5_MIN_VERSION} REQUIRED NO_MODULE)

src/CMakeLists.txt

@@ -25,7 +25,7 @@ target_link_libraries(blinken
     KF5::I18n
     KF5::XmlGui
     KF5::GuiAddons
-    Qt5::Svg
+    Qt::Svg
     KF5::DBusAddons
     KF5::Crash
     ${PHONON_LIBRARIES}

src/blinkengame.cpp

@@ -65,8 +65,8 @@ void blinkenGame::clicked(color c)
 	else
 	{
 		m_soundsPlayer -> play(all);
-		emit highlight(all, true);
-		emit gameEnded();
+		Q_EMIT highlight(all, true);
+		Q_EMIT gameEnded();
 		setPhase(choosingLevel);
 	}
 }
@@ -75,7 +75,7 @@ void blinkenGame::setPhase(gamePhase p)
 {
 	if (p != waiting3 && p != waiting2 && p != waiting1) m_waitTimer -> stop();
 	m_phase = p;
-	emit phaseChanged();
+	Q_EMIT phaseChanged();
 }
 
 void blinkenGame::start(int level)
@@ -96,13 +96,13 @@ void blinkenGame::nextSound()
 		c = *m_nextColor;
 		++m_nextColor;
 		m_soundsPlayer -> play(c);
-		emit highlight(c, false);
+		Q_EMIT highlight(c, false);
 	}
 	else
 	{
 		setPhase(typingTheSequence);
 		m_nextColor = m_sequence.constBegin();
-		emit highlight(none, false);
+		Q_EMIT highlight(none, false);
 		m_soundsPlayer->disconnect();
 	}
 }
@@ -115,7 +115,7 @@ void blinkenGame::soundEnded()
 
 void blinkenGame::unhighlight()
 {
-	emit highlight(none, false);
+	Q_EMIT highlight(none, false);
 }
 
 void blinkenGame::waiting()

src/highscoredialog.cpp

@@ -213,7 +213,7 @@ void highScoreManager::addScore(int level, int score, const QString &name)
 		}
 		cfg.sync();
 
-		foreach(highScoreManager *hsm, s_allHSM)
+        for(highScoreManager *hsm : qAsConst(s_allHSM))
 		{
 			if (hsm != this)
 			{