Merge pull request #366 from elevatormind/qt6-cmake

Qt6 cmake
2025-12-30 15:50:52 +01:00 · 2025-02-21 15:36:54 +01:00
parent 8c3343795a 49ce6bc4b3
commit 99dfe6a50c
60 changed files with 242 additions and 286 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,7 +16,7 @@

 include(cmake/hoto_update_cmake_message.cmake)

-cmake_minimum_required(VERSION 3.14...3.19 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.21.1 FATAL_ERROR)

 project(qelectrotech
  VERSION 0.9.0
@@ -27,6 +27,13 @@ project(qelectrotech
 include(cmake/copyright_message.cmake)

 set(QET_DIR ${PROJECT_SOURCE_DIR})
+include(cmake/qet_compilation_vars.cmake)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+find_package(Qt6 REQUIRED COMPONENTS ${QET_COMPONENTS})
+qt_standard_project_setup()

 # Add sub directories
 option(PACKAGE_TESTS "Build the tests" ON)
@@ -43,42 +50,17 @@ include(cmake/git_last_commit_sha.cmake)
 include(cmake/fetch_kdeaddons.cmake)
 include(cmake/fetch_singleapplication.cmake)
 include(cmake/fetch_pugixml.cmake)
-include(cmake/qet_compilation_vars.cmake)

 set(CMAKE_INCLUDE_CURRENT_DIR ON)

-set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTORCC ON)
-set(CMAKE_AUTOUIC ON)
-
-SET(CMAKE_CXX_STANDARD 17)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
-
-find_package(
-  QT
- NAMES
-  Qt6
-  Qt5
- COMPONENTS
-  ${QET_COMPONENTS}
- REQUIRED
- )
-
-find_package(
-  Qt${QT_VERSION_MAJOR}
- COMPONENTS
- ${QET_COMPONENTS}
- REQUIRED)

 set(CMAKE_AUTOUIC_SEARCH_PATHS ${QET_DIR}/sources/ui)
-qt5_create_translation(QM_FILES ${CMAKE_SOURCE_DIR} ${TS_FILES})
-set_source_files_properties(${TS_FILES} PROPERTIES OUTPUT_LOCATION "${QET_DIR}/lang")
-qt5_add_translation(QM_FILES ${TS_FILES})

 # als laatse
 include(cmake/define_definitions.cmake)

-add_executable(
+qt_add_executable(
  ${PROJECT_NAME}
  ${QET_RES_FILES}
  ${QET_SRC_FILES}
@@ -86,13 +68,24 @@ add_executable(
  ${QET_DIR}/qelectrotech.qrc
  )

+if(QMFILES_AS_RESOURCE)
+  qt_add_translations(${PROJECT_NAME} TS_FILES ${TS_FILES} RESOURCE_PREFIX "/lang")
+else()
+  qt_create_translation(QM_FILES ${CMAKE_SOURCE_DIR} ${TS_FILES})
+  set_source_files_properties(${TS_FILES} PROPERTIES OUTPUT_LOCATION "${QET_DIR}/lang")
+  qt_add_translation(QM_FILES ${TS_FILES})
+endif()
+
+find_package(SQLite3 REQUIRED)
+
 target_link_libraries(
  ${PROJECT_NAME}
  PUBLIC
  PRIVATE
  pugixml::pugixml
  SingleApplication::SingleApplication
-  ${KF5_PRIVATE_LIBRARIES}
+  SQLite::SQLite3
+  ${KF6_PRIVATE_LIBRARIES}
  ${QET_PRIVATE_LIBRARIES}
  )

@@ -149,6 +142,7 @@ install(FILES LICENSE ELEMENTS.LICENSE CREDIT README ChangeLog DESTINATION share
 install(FILES misc/org.qelectrotech.qelectrotech.desktop DESTINATION share/applications)
 install(FILES misc/qelectrotech.xml DESTINATION share/mime/packages)
 install(FILES misc/qelectrotech.appdata.xml DESTINATION ${QET_APPDATA_PATH})
-install(FILES ${QM_FILES} DESTINATION ${QET_LANG_PATH})
-
+if(NOT QMFILES_AS_RESOURCE)
+  install(FILES ${QM_FILES} DESTINATION ${QET_LANG_PATH})
+endif()
 endif()
--- a/cmake/define_definitions.cmake
+++ b/cmake/define_definitions.cmake
@@ -62,10 +62,14 @@ message("PROJECT_SOURCE_DIR        :" ${PROJECT_SOURCE_DIR})
 message("QET_DIR                   :" ${QET_DIR})
 message("GIT_COMMIT_SHA            :" ${GIT_COMMIT_SHA})

-if(BUILD_WITH_KF5)
-  message("KF5_GIT_TAG               :" ${KF5_GIT_TAG})
+if(BUILD_WITH_KF6 AND BUILD_KF6)
+  message("KF6_GIT_TAG               :" ${KF6_GIT_TAG})
 else()
-  add_definitions(-DBUILD_WITHOUT_KF5)
+  add_definitions(-DBUILD_WITHOUT_KF6)
 endif()
 message("QET_COMPONENTS            :" ${QET_COMPONENTS})
-message("QT_VERSION_MAJOR          :" ${QT_VERSION_MAJOR})
+message("Qt version                :" ${Qt6_VERSION})
+
+if(QMFILES_AS_RESOURCE)
+  add_definitions(-DQMFILES_AS_RESOURCE)
+endif()
--- a/cmake/developer_options.cmake
+++ b/cmake/developer_options.cmake
@@ -31,5 +31,8 @@ add_definitions(-DQT_MESSAGELOGCONTEXT)
 # In order to do so, uncomment the following line.
 #add_definitions(-DTODO_LIST)

-# Build with KF5
-option(BUILD_WITH_KF5 "Build with KF5" ON)
+# Build with KF6
+option(BUILD_WITH_KF6 "Build with KF6" ON)
+
+# Use translations as a Qt resource
+option(QMFILES_AS_RESOURCE "Use .qm files as Qt resource" ON)
--- a/cmake/fetch_kdeaddons.cmake
+++ b/cmake/fetch_kdeaddons.cmake
@@ -14,54 +14,59 @@
 # You should have received a copy of the GNU General Public License
 # along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.

-message(" - fetch_kdeaddons")
+message(STATUS "fetch_kdeaddons")

-if(DEFINED BUILD_WITH_KF5)
-  Include(FetchContent)
+if(BUILD_WITH_KF6)
+  option(BUILD_KF6 "Build KF6 libraries, use system ones otherwise" OFF)
+  block(PROPAGATE KF6_GIT_TAG)
+  set(BUILD_TESTING OFF)
+  set(KDE_SKIP_TEST_SETTINGS ON)
+  set(BUILD_DESIGNERPLUGIN OFF)
+  set(KCOREADDONS_USE_QML OFF)
+  set(BUILD_QCH OFF)
+  set(BUILD_SHARED_LIBS OFF)
+  find_package(ECM 6.8.0 REQUIRED NO_MODULE)
+  list(APPEND CMAKE_MODULE_PATH ${ECM_MODULE_PATH})

-  option(BUILD_KF5 "Build KF5 libraries, use system ones otherwise" YES)
+  if(BUILD_KF6)
+    Include(FetchContent)

-  if(BUILD_KF5)
-
-    if(NOT DEFINED KF5_GIT_TAG)
-      #https://qelectrotech.org/forum/viewtopic.php?pid=13924#p13924
-      set(KF5_GIT_TAG v5.77.0)
+    if(NOT DEFINED KF6_GIT_TAG)
+      set(KF6_GIT_TAG v6.8.0)
    endif()

-    # Fix stop the run autotests of kcoreaddons
-    # see
-    # https://invent.kde.org/frameworks/kcoreaddons/-/blob/master/CMakeLists.txt#L98
-    # issue:
-    # CMake Error at /usr/share/ECM/modules/ECMAddTests.cmake:89 (add_executable):
-    # Cannot find source file:
-    # see
-    # https://qelectrotech.org/forum/viewtopic.php?pid=13929#p13929
-    set(KDE_SKIP_TEST_SETTINGS "TRUE")
-    set(BUILD_TESTING "0")
-    FetchContent_Declare(
-      ecm
-      GIT_REPOSITORY https://invent.kde.org/frameworks/extra-cmake-modules.git
-      GIT_TAG        ${KF5_GIT_TAG})
-    FetchContent_MakeAvailable(ecm)
-
    FetchContent_Declare(
      kcoreaddons
      GIT_REPOSITORY https://invent.kde.org/frameworks/kcoreaddons.git
-      GIT_TAG        ${KF5_GIT_TAG})
+      GIT_TAG        ${KF6_GIT_TAG})
    FetchContent_MakeAvailable(kcoreaddons)
+    get_target_property(kca_version KF6::CoreAddons VERSION)

    FetchContent_Declare(
      kwidgetsaddons
      GIT_REPOSITORY https://invent.kde.org/frameworks/kwidgetsaddons.git
-      GIT_TAG        ${KF5_GIT_TAG})
+      GIT_TAG        ${KF6_GIT_TAG})
    FetchContent_MakeAvailable(kwidgetsaddons)
+    get_target_property(kwa_version KF6::WidgetsAddons VERSION)
  else()
-    find_package(KF5CoreAddons REQUIRED)
-    find_package(KF5WidgetsAddons REQUIRED)
+    find_package(KF6CoreAddons REQUIRED)
+    set(kca_version ${KF6CoreAddons_VERSION})
+    find_package(KF6WidgetsAddons REQUIRED)
+    set(kwa_version ${KF6WidgetsAddons_VERSION})
  endif()

-  set(KF5_PRIVATE_LIBRARIES
-    KF5::WidgetsAddons
-    KF5::CoreAddons
+  get_target_property(kca_type KF6::WidgetsAddons TYPE)
+  get_target_property(kwa_type KF6::CoreAddons TYPE)
+
+  message(NOTICE "ecm version            : " ${ECM_VERSION})
+  message(NOTICE "kcoreaddons library    : " ${kca_type})
+  message(NOTICE "kcoreaddons version    : " ${kca_version})
+  message(NOTICE "kwidgetsaddons library : " ${kwa_type})
+  message(NOTICE "kwidgetsaddons version : " ${kwa_version})
+  endblock()
+
+  set(KF6_PRIVATE_LIBRARIES
+    KF6::WidgetsAddons
+    KF6::CoreAddons
    )
 endif()
--- a/cmake/fetch_pugixml.cmake
+++ b/cmake/fetch_pugixml.cmake
@@ -25,7 +25,7 @@ if(BUILD_PUGIXML)
  FetchContent_Declare(
    pugixml
    GIT_REPOSITORY https://github.com/zeux/pugixml.git
-    GIT_TAG        v1.11.4)
+    GIT_TAG        v1.14)

  FetchContent_MakeAvailable(pugixml)
 else()
--- a/cmake/fetch_singleapplication.cmake
+++ b/cmake/fetch_singleapplication.cmake
@@ -26,6 +26,6 @@ Include(FetchContent)
 FetchContent_Declare(
  SingleApplication
  GIT_REPOSITORY https://github.com/itay-grudev/SingleApplication.git
-  GIT_TAG        v3.2.0)
+  GIT_TAG        v3.5.1)

 FetchContent_MakeAvailable(SingleApplication)
--- a/cmake/qet_compilation_vars.cmake
+++ b/cmake/qet_compilation_vars.cmake
@@ -17,6 +17,8 @@
 message(" - qet_compilation_vars")

 set(QET_COMPONENTS
+  Core
+  Gui
  LinguistTools
  PrintSupport
  Xml
@@ -710,7 +712,6 @@ set(QET_SRC_FILES

 set(TS_FILES
  ${QET_DIR}/lang/qet_ar.ts
-  ${QET_DIR}/lang/qet_be.ts
  ${QET_DIR}/lang/qet_ca.ts
  ${QET_DIR}/lang/qet_cs.ts
  ${QET_DIR}/lang/qet_da.ts
@@ -727,6 +728,7 @@ set(TS_FILES
  ${QET_DIR}/lang/qet_mn.ts
  ${QET_DIR}/lang/qet_nb.ts
  ${QET_DIR}/lang/qet_nl.ts
+  ${QET_DIR}/lang/qet_nl_BE.ts
  ${QET_DIR}/lang/qet_no.ts
  ${QET_DIR}/lang/qet_pl.ts
  ${QET_DIR}/lang/qet_pt.ts
--- a/cmake/start_options.cmake
+++ b/cmake/start_options.cmake
@@ -29,4 +29,4 @@ add_definitions(-DQET_ALLOW_OVERRIDE_CD_OPTION)
 add_definitions(-DQET_ALLOW_OVERRIDE_DD_OPTION)

 #comment the line below to disable the project database export
-#add_definitions(-DQET_EXPORT_PROJECT_DB) #error Todo
+add_definitions(-DQET_EXPORT_PROJECT_DB)
--- a/sources/ElementsCollection/elementscollectionwidget.cpp
+++ b/sources/ElementsCollection/elementscollectionwidget.cpp
@@ -765,7 +765,7 @@ void ElementsCollectionWidget::search()
 	}

 		//start the search when text have at least 3 letters.
-	if (text.count() < 3) {
+	if (text.length() < 3) {
 		return;
 	}

--- a/sources/ElementsCollection/elementslocation.cpp
+++ b/sources/ElementsCollection/elementslocation.cpp
@@ -805,15 +805,15 @@ bool ElementsLocation::setXml(const QDomDocument &xml_document) const
 			qDebug() << "Help code for QT 6 or later";

 			QString			   path_ = collectionPath(false);
-			QRegularExpression rx("^(.*)/(.*\\.elmt)$");
-
-			if (rx.exactMatch(path_))
+			QRegularExpression rx(QRegularExpression::anchoredPattern("(.*)/(.*\\.elmt)"));
+			QRegularExpressionMatch match = rx.match(path_);
+			if (match.hasMatch())
 			{
 				return project()
 					->embeddedElementCollection()
 					->addElementDefinition(
-						rx.cap(1),
-						rx.cap(2),
+						match.captured(1),
+						match.captured(2),
 						xml_document.documentElement());
 			}
 			else
--- a/sources/TerminalStrip/GraphicsItem/terminalstripdrawer.cpp
+++ b/sources/TerminalStrip/GraphicsItem/terminalstripdrawer.cpp
@@ -17,6 +17,7 @@
 */
 #include "terminalstripdrawer.h"
 #include <QPainter>
+#include <QHash>

 namespace TerminalStripDrawer {

@@ -202,7 +203,7 @@ void TerminalStripDrawer::paint(QPainter *painter)
 		painter->restore();

 			//Draw the bridges
-		for (const auto &points_ : qAsConst(bridges_anchor_points))
+		for (const auto &points_ : std::as_const(bridges_anchor_points))
 		{
 			painter->save();
 			auto pen_{painter->pen()};
--- a/sources/TerminalStrip/UndoCommand/addterminaltostripcommand.cpp
+++ b/sources/TerminalStrip/UndoCommand/addterminaltostripcommand.cpp
@@ -126,7 +126,7 @@ void RemoveTerminalFromStripCommand::redo()
 	if (m_strip)
 	{
 		QVector<QSharedPointer<RealTerminal>> real_t;
-		for (const auto &real_t_vector : qAsConst(m_terminals)) {
+		for (const auto &real_t_vector : std::as_const(m_terminals)) {
 			real_t.append(real_t_vector);
 		}

--- a/sources/TerminalStrip/UndoCommand/groupterminalscommand.cpp
+++ b/sources/TerminalStrip/UndoCommand/groupterminalscommand.cpp
@@ -68,7 +68,7 @@ void UnGroupTerminalsCommand::undo()
 			m_terminal_strip->groupTerminals(key, m_physical_real_H.value(key));
 		}
 			//Second, set level.
-		for (const auto &pair : qAsConst(m_real_t_level)) {
+		for (const auto &pair : std::as_const(m_real_t_level)) {
 			m_terminal_strip->setLevel(pair.first, pair.second);
 		}
 	}
@@ -78,7 +78,7 @@ void UnGroupTerminalsCommand::redo()
 {
 	if (m_terminal_strip)
 	{
-		for (const auto &value : qAsConst(m_physical_real_H)) {
+		for (const auto &value : std::as_const(m_physical_real_H)) {
 			m_terminal_strip->unGroupTerminals(value);
 		}
 	}
--- a/sources/TerminalStrip/physicalterminal.cpp
+++ b/sources/TerminalStrip/physicalterminal.cpp
@@ -131,7 +131,7 @@ bool PhysicalTerminal::setLevelOf(const QSharedPointer<RealTerminal> &terminal,
 	if (i >= 0)
 	{
 #if QT_VERSION >= QT_VERSION_CHECK(5,14,0)
-		m_real_terminal.swapItemsAt(i, std::min(level, m_real_terminal.size()-1));
+		m_real_terminal.swapItemsAt(i, std::min((qsizetype)level, m_real_terminal.size()-1));
 #else
 		auto j = std::min(level, m_real_terminal.size()-1);
 		std::swap(m_real_terminal.begin()[i], m_real_terminal.begin()[j]);
--- a/sources/TerminalStrip/terminalstrip.cpp
+++ b/sources/TerminalStrip/terminalstrip.cpp
@@ -466,7 +466,7 @@ QSharedPointer<RealTerminal> TerminalStrip::realTerminalForUuid(const QUuid &uui
 QVector<QSharedPointer<RealTerminal>> TerminalStrip::realTerminals() const
 {
 	QVector<QSharedPointer<RealTerminal>> vector_;
-	for (const auto &phy : qAsConst(m_physical_terminals)) {
+	for (const auto &phy : std::as_const(m_physical_terminals)) {
 		vector_.append(phy->realTerminals());
 	}
 	return vector_;
@@ -639,7 +639,7 @@ bool TerminalStrip::isBridgeable(const QVector<QSharedPointer<RealTerminal>> &re
 		// Get the physical terminal and pos
 	auto first_physical_terminal = first_real_terminal->physicalTerminal();
 	QVector<shared_physical_terminal> physical_vector{first_physical_terminal};
-	QVector<int> pos_vector{m_physical_terminals.indexOf(first_physical_terminal)};
+	QVector<qsizetype> pos_vector{m_physical_terminals.indexOf(first_physical_terminal)};

 	auto bridge_ = isBridged(first_real_terminal);
 		//bool to know at the end of this function if at least one terminal is not bridged
@@ -856,7 +856,7 @@ QSharedPointer<TerminalStripBridge> TerminalStrip::isBridged(const QSharedPointe
 {
 	if (real_terminal)
 	{
-		for (const auto &bridge_ : qAsConst(m_bridge)) {
+		for (const auto &bridge_ : std::as_const(m_bridge)) {
 			if (bridge_->realTerminals().contains(real_terminal))
 				return bridge_;
 		}
@@ -983,7 +983,7 @@ QDomElement TerminalStrip::toXml(QDomDocument &parent_document)
 	}
 	root_elmt.appendChild(xml_layout);

-	for (const auto &bridge_ : qAsConst(m_bridge)) {
+	for (const auto &bridge_ : std::as_const(m_bridge)) {
 		root_elmt.appendChild(bridge_->toXml(parent_document));
 	}

@@ -1024,7 +1024,7 @@ bool TerminalStrip::fromXml(QDomElement &xml_element)
 			for (auto &xml_real : QETXML::findInDomElement(xml_physical, RealTerminal::xmlTagName()))
 			{
 				const auto uuid_ = QUuid(xml_real.attribute(QStringLiteral("element_uuid")));
-				for (auto terminal_elmt : qAsConst(free_terminals))
+				for (auto terminal_elmt : std::as_const(free_terminals))
 				{
 					if (terminal_elmt->uuid() == uuid_)
 					{
--- a/sources/TerminalStrip/terminalstripbridge.cpp
+++ b/sources/TerminalStrip/terminalstripbridge.cpp
@@ -85,7 +85,7 @@ QDomElement TerminalStripBridge::toXml(QDomDocument &parent_document) const
 	root_elmt.setAttribute(QStringLiteral("color"), m_color.name());

 	auto terminals_elmt = parent_document.createElement(QStringLiteral("real_terminals"));
-	for (const auto &real_t : qAsConst(m_real_terminals))
+	for (const auto &real_t : std::as_const(m_real_terminals))
 	{
 		if (real_t)
 		{
@@ -106,7 +106,7 @@ void TerminalStripBridge::fromXml(const QDomElement &dom_element)
 	}

 	m_uuid = QUuid(dom_element.attribute(QStringLiteral("uuid"), m_uuid.toString()));
-	m_color.setNamedColor(dom_element.attribute(QStringLiteral("color")));
+	m_color = QColor::fromString(dom_element.attribute(QStringLiteral("color")));

 	const auto real_t_vector = QETXML::subChild(dom_element,
 										 QStringLiteral("real_terminals"),
--- a/sources/TerminalStrip/ui/terminalstripmodel.cpp
+++ b/sources/TerminalStrip/ui/terminalstripmodel.cpp
@@ -535,7 +535,7 @@ modelRealTerminalData TerminalStripModel::dataAtRow(int row) const
 	else
 	{
 		auto current_row = 0;
-		for (const auto &physical_data : qAsConst(m_physical_data))
+		for (const auto &physical_data : std::as_const(m_physical_data))
 		{
 			for (const auto &real_data : physical_data.real_data)
 			{
@@ -567,7 +567,7 @@ void TerminalStripModel::replaceDataAtRow(modelRealTerminalData data, int row)
 		auto current_row = 0;
 		auto current_physical = 0;

-		for (const auto &physical_data : qAsConst(m_physical_data))
+		for (const auto &physical_data : std::as_const(m_physical_data))
 		{
 			auto current_real = 0;
 			for (int i=0 ; i<physical_data.real_data.count() ; ++i)
@@ -606,7 +606,7 @@ modelPhysicalTerminalData TerminalStripModel::physicalDataAtIndex(int index) con
 	int current_phy = -1;
 	bool match_ = false;

-	for (const auto &ptd_ : qAsConst(m_physical_data))
+	for (const auto &ptd_ : std::as_const(m_physical_data))
 	{
 		current_checked_index += ptd_.real_data.size();
 		++current_phy;
@@ -637,9 +637,9 @@ modelRealTerminalData TerminalStripModel::realDataAtIndex(int index) const

 	int current_checked_index = -1;

-	for (const auto & ptd_ : qAsConst(m_physical_data))
+	for (const auto & ptd_ : std::as_const(m_physical_data))
 	{
-		for (const auto & rtd_ : qAsConst(ptd_.real_data)) {
+		for (const auto & rtd_ : std::as_const(ptd_.real_data)) {
 			++current_checked_index;
 			if (current_checked_index == index) {
 				return rtd_;
--- a/sources/TerminalStrip/ui/terminalstripmodel.h
+++ b/sources/TerminalStrip/ui/terminalstripmodel.h
@@ -29,12 +29,12 @@
 #include "modelTerminalData.h"

 //Code to use QColor as key for QHash
-inline uint qHash(const QColor &key, uint seed) {
+inline size_t qHash(const QColor &key, size_t seed) {
 	return qHash(key.name(), seed);
 }

 //needed to use QPointer<Element> as key of QHash
-inline uint qHash(const QPointer<Element> &key, uint seed) {
+inline size_t qHash(const QPointer<Element> &key, size_t seed) {
 	if (key)
 		return qHash(key->uuid(), seed);
 	else
--- a/sources/TerminalStrip/ui/terminalstriptreedockwidget.cpp
+++ b/sources/TerminalStrip/ui/terminalstriptreedockwidget.cpp
@@ -60,7 +60,7 @@ void TerminalStripTreeDockWidget::reload()
 	m_uuid_terminal_H.clear();
 	m_uuid_strip_H.clear();

-	for (const auto &connection_ : qAsConst(m_strip_changed_connection)) {
+	for (const auto &connection_ : std::as_const(m_strip_changed_connection)) {
 		disconnect(connection_);
 	}
 	m_strip_changed_connection.clear();
@@ -222,7 +222,7 @@ void TerminalStripTreeDockWidget::buildTree()
 		return a->name() < b->name();
 	});

-	for (const auto &ts : qAsConst(ts_vector)) {
+	for (const auto &ts : std::as_const(ts_vector)) {
 		addTerminalStrip(ts);
 	}
 	addFreeTerminal();
@@ -324,7 +324,7 @@ void TerminalStripTreeDockWidget::addFreeTerminal()

 	auto free_terminal_item = ui->m_tree_view->topLevelItem(1);

-	for (const auto terminal : qAsConst(vector_))
+	for (const auto terminal : std::as_const(vector_))
 	{
 		QUuid uuid_ = terminal->uuid();
 		QStringList strl{terminal->actualLabel()};
--- a/sources/autoNum/numerotationcontext.cpp
+++ b/sources/autoNum/numerotationcontext.cpp
@@ -57,9 +57,9 @@ bool NumerotationContext::addValue(const QString &type,
 				   const QVariant &value,
 				   const int increase,
 				   const int initialvalue) {
-	if (!keyIsAcceptable(type) && !value.canConvert(QVariant::String))
+	if (!keyIsAcceptable(type) && !value.canConvert<QString>())
 		return false;
-	if (keyIsNumber(type) && !value.canConvert(QVariant::Int))
+	if (keyIsNumber(type) && !value.canConvert<int>())
 		return false;

 	QString valuestr = value.toString();
--- a/sources/bordertitleblock.cpp
+++ b/sources/bordertitleblock.cpp
@@ -941,8 +941,8 @@ QString BorderTitleBlock::incrementLetters(const QString &string) {
 	} else {
 		// separate previous digits from last digit
 		// separe les digits precedents du dernier digit
-		QString first_digits(string.left(string.count() - 1));
-		QChar last_digit(string.at(string.count() - 1));
+		QString first_digits(string.left(string.length() - 1));
+		QChar last_digit(string.at(string.length() - 1));
 		if (last_digit != 'Z') {
 			// increments the last digit
 			// incremente le dernier digit
--- a/sources/dataBase/projectdatabase.cpp
+++ b/sources/dataBase/projectdatabase.cpp
@@ -253,10 +253,12 @@ bool projectDataBase::createDataBase()
 		return false;
 	}

-	m_data_base.exec("PRAGMA temp_store = MEMORY");
-	m_data_base.exec("PRAGMA journal_mode = MEMORY");
-	m_data_base.exec("PRAGMA synchronous = OFF");
-	
+	QSqlQuery *temp_query = new QSqlQuery(m_data_base);
+	temp_query->exec("PRAGMA temp_store = MEMORY");
+	temp_query->exec("PRAGMA journal_mode = MEMORY");
+	temp_query->exec("PRAGMA synchronous = OFF");
+	delete temp_query;
+
 	QSqlQuery query_(m_data_base);
 	bool first_ = true;

--- a/sources/diagram.cpp
+++ b/sources/diagram.cpp
@@ -151,7 +151,7 @@ Diagram::~Diagram()
 			continue;
 		deletable_items.append(qgi);
 	}
-	for (const auto &item : qAsConst(deletable_items))
+	for (const auto &item : std::as_const(deletable_items))
 	{
 		removeItem(item);
 		delete item;
@@ -1453,13 +1453,13 @@ bool Diagram::fromXml(QDomElement &document,
 	if (position != QPointF())
 	{
 		QVector <QGraphicsItem *> added_items;
-		for (auto element : qAsConst(added_elements   )) added_items << element;
-		for (auto cond    : qAsConst(added_conductors )) added_items << cond;
-		for (auto shape   : qAsConst(added_shapes     )) added_items << shape;
-		for (auto text    : qAsConst(added_texts      )) added_items << text;
-		for (auto image   : qAsConst(added_images     )) added_items << image;
-		for (auto table   : qAsConst(added_tables     )) added_items << table;
-		for (const auto &strip : qAsConst(added_strips)) added_items << strip;
+		for (auto element : std::as_const(added_elements   )) added_items << element;
+		for (auto cond    : std::as_const(added_conductors )) added_items << cond;
+		for (auto shape   : std::as_const(added_shapes     )) added_items << shape;
+		for (auto text    : std::as_const(added_texts      )) added_items << text;
+		for (auto image   : std::as_const(added_images     )) added_items << image;
+		for (auto table   : std::as_const(added_tables     )) added_items << table;
+		for (const auto &strip : std::as_const(added_strips)) added_items << strip;

 		//Get the top left corner of the rectangle that contain all added items
 		QRectF items_rect;
@@ -1568,11 +1568,11 @@ void Diagram::refreshContents()
 		conductor->refreshText();
 	}

-	for (auto &table : qAsConst(dc_.m_tables)) {
+	for (auto &table : std::as_const(dc_.m_tables)) {
 		table->initLink();
 	}

-	for (auto &strip :qAsConst(dc_.m_terminal_strip)) {
+	for (auto &strip :std::as_const(dc_.m_terminal_strip)) {
 		strip->refreshPending();
 	}
 }
@@ -1757,7 +1757,7 @@ void Diagram::invertSelection()
 			item_list << item;
 		}
 	}
-	for (auto item : qAsConst(item_list)) {
+	for (auto item : std::as_const(item_list)) {
 		item -> setSelected(!item -> isSelected());
 	}

--- a/sources/diagramcontent.cpp
+++ b/sources/diagramcontent.cpp
@@ -55,7 +55,7 @@ DiagramContent::DiagramContent(Diagram *diagram, bool selected) :
 		item_list = diagram->items();
 	}

-	for (const auto &item : qAsConst(item_list))
+	for (const auto &item : std::as_const(item_list))
 	{
 		switch (item->type())
 		{
@@ -391,10 +391,10 @@ QList<QGraphicsItem *> DiagramContent::items(int filter) const
 	if (filter & ElementTextFields) for(auto qgi : m_element_texts) items_list << qgi;
 	if (filter & TextGroup)			for(auto qgi : m_texts_groups)  items_list << qgi;
 	if (filter & Tables)            for(auto qgi : m_tables)        items_list << qgi;
-	if (filter & TerminalStrip)     for(const auto qgi : qAsConst(m_terminal_strip)) items_list << qgi;
+	if (filter & TerminalStrip)     for(const auto qgi : std::as_const(m_terminal_strip)) items_list << qgi;

 	if (filter & SelectedOnly) {
-		for(const auto &qgi : qAsConst(items_list)) {
+		for(const auto &qgi : std::as_const(items_list)) {
 			if (!qgi -> isSelected()) items_list.removeOne(qgi);
 		}
 	}
@@ -420,7 +420,7 @@ int DiagramContent::count(int filter) const
 		if (filter & ElementTextFields)  for(auto deti      : m_element_texts)        { if (deti      -> isSelected()) ++ count; }
 		if (filter & TextGroup)          for(auto etig      : m_texts_groups)         { if (etig      -> isSelected()) ++ count; }
 		if (filter & Tables)             for(auto table     : m_tables)               { if (table     -> isSelected()) ++ count;  }
-		if (filter & TerminalStrip)      for(const auto &strip : qAsConst(m_terminal_strip)) {if (strip->isSelected()) ++ count;}
+		if (filter & TerminalStrip)      for(const auto &strip : std::as_const(m_terminal_strip)) {if (strip->isSelected()) ++ count;}
 	}
 	else {
 		if (filter & Elements)           count += m_elements.count();
--- a/sources/editor/elementscene.cpp
+++ b/sources/editor/elementscene.cpp
@@ -746,7 +746,7 @@ void ElementScene::addItems(QVector<QGraphicsItem *> items)
 */
 void ElementScene::removeItems(QVector<QGraphicsItem *> items)
 {
-	const int previous_selected_count{selectedItems().size()};
+	const qsizetype previous_selected_count{selectedItems().size()};

 		//block signal to avoid multiple emit of selection changed,
 		//we emit this signal only once at the end of this function.
--- a/sources/editor/ui/dynamictextfieldeditor.cpp
+++ b/sources/editor/ui/dynamictextfieldeditor.cpp
@@ -140,7 +140,7 @@ void DynamicTextFieldEditor::updateForm()
 		ui -> m_user_text_le -> setText(m_text_field.data() -> text());
 		ui -> m_size_sb -> setValue(m_text_field.data() -> font().pointSize());
 		ui->m_keep_visual_rotation_cb->setChecked(m_text_field.data()->keepVisualRotation());
-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 		m_color_kpb -> setColor(m_text_field.data() -> color());
 #endif
@@ -169,7 +169,7 @@ void DynamicTextFieldEditor::updateForm()

 void DynamicTextFieldEditor::setupWidget()
 {
-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 	m_color_kpb = new KColorButton(this);
 	m_color_kpb->setObjectName(QString::fromUtf8("m_color_kpb"));
--- a/sources/editor/ui/dynamictextfieldeditor.h
+++ b/sources/editor/ui/dynamictextfieldeditor.h
@@ -21,7 +21,7 @@
 #include "../elementitemeditor.h"
 #include "../graphicspart/partdynamictextfield.h"

-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 #	include <KColorButton>
 #endif
@@ -77,7 +77,7 @@ class DynamicTextFieldEditor : public ElementItemEditor {
 		QList<PartDynamicTextField*> m_parts;
 		QList<QMetaObject::Connection> m_connection_list;

-	#ifdef BUILD_WITHOUT_KF5
+	#ifdef BUILD_WITHOUT_KF6
 	#else
 		KColorButton* m_color_kpb = nullptr;
 	#endif
--- a/sources/editor/ui/qetelementeditor.cpp
+++ b/sources/editor/ui/qetelementeditor.cpp
@@ -1069,7 +1069,7 @@ void QETElementEditor::updateAction()
 			<< ui->m_revert_selection_action
 			<< ui->m_paste_from_file_action
 			<< ui->m_paste_from_element_action;
-	for (auto action : qAsConst(ro_list)) {
+	for (auto action : std::as_const(ro_list)) {
 		action->setDisabled(m_read_only);
 	}

@@ -1084,7 +1084,7 @@ void QETElementEditor::updateAction()
 				<< ui->m_flip_action
 				<< ui->m_mirror_action;
 	auto items_selected = !m_read_only && m_elmt_scene->selectedItems().count();
-	for (auto action : qAsConst(select_list)) {
+	for (auto action : std::as_const(select_list)) {
 		action->setEnabled(items_selected);
 	}

--- a/sources/editor/ui/terminaleditor.cpp
+++ b/sources/editor/ui/terminaleditor.cpp
@@ -229,7 +229,7 @@ void TerminalEditor::activeConnections(bool active)
 		m_editor_connections << connect(ui->m_type_cb, QOverload<int>::of(&QComboBox::activated),
 										this, &TerminalEditor::typeEdited);
 	} else {
-		for (auto const & con : qAsConst(m_editor_connections)) {
+		for (auto const & con : std::as_const(m_editor_connections)) {
 			QObject::disconnect(con);
 		}
 		m_editor_connections.clear();
--- a/sources/editor/ui/texteditor.cpp
+++ b/sources/editor/ui/texteditor.cpp
@@ -62,7 +62,7 @@ void TextEditor::updateForm()
 	m_rotation_sb -> setValue(m_text -> rotation());
 	m_size_sb -> setValue(m_text -> font().pointSize());
 	m_font_pb -> setText(m_text -> font().family());
-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 	m_color_pb -> setColor(m_text -> defaultTextColor());
 #endif
@@ -84,7 +84,7 @@ void TextEditor::setUpChangeConnection(QPointer<PartText> part)

 void TextEditor::disconnectChangeConnection()
 {
-	for (const auto &connection : qAsConst(m_change_connection)) {
+	for (const auto &connection : std::as_const(m_change_connection)) {
 		disconnect(connection);
 	}
 	m_change_connection.clear();
@@ -344,7 +344,7 @@ void TextEditor::setUpWidget(QWidget *parent)
 	m_line_edit->setPlaceholderText(tr("Entrer votre texte ici"));

 	gridLayout->addWidget(m_line_edit, 0, 0, 1, 6);
-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 	m_color_pb = new KColorButton(parent);
 	m_color_pb->setObjectName(QString::fromUtf8("m_color_pb"));
--- a/sources/editor/ui/texteditor.h
+++ b/sources/editor/ui/texteditor.h
@@ -25,7 +25,7 @@
 #include <QSpinBox>
 #include <QLineEdit>
 #include <QPushButton>
-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 #include <KColorButton>
 #endif
@@ -65,7 +65,7 @@ class TextEditor : public ElementItemEditor {
 		QSpinBox *m_size_sb;
 		QLineEdit *m_line_edit;
 		QPushButton *m_font_pb;
-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 		KColorButton *m_color_pb;
 #endif
--- a/sources/elementprovider.cpp
+++ b/sources/elementprovider.cpp
@@ -59,11 +59,11 @@ QVector <QPointer<Element>> ElementProvider::freeElement(ElementData::Types filt
 	QList<Element *> elmt_list;

 		//search in all diagram
-	for (const auto &diagram_ : qAsConst(m_diagram_list))
+	for (const auto &diagram_ : std::as_const(m_diagram_list))
 	{
 			//get all element in diagram d
 		elmt_list = diagram_->elements();
-		for (const auto &elmt_ : qAsConst(elmt_list))
+		for (const auto &elmt_ : std::as_const(elmt_list))
 		{
 			if (filter & elmt_->elementData().m_type &&
 				elmt_->isFree())
@@ -106,7 +106,7 @@ QList <Element *> ElementProvider::fromUuids(QList<QUuid> uuid_list) const
 QVector<QPointer<Element>> ElementProvider::find(ElementData::Types elmt_type) const
 {
 	QVector<QPointer<Element>> returned_vector;
-	for (const auto &diagram_ : qAsConst(m_diagram_list))
+	for (const auto &diagram_ : std::as_const(m_diagram_list))
 	{
 		const auto elmt_list = diagram_->elements();
 		for (const auto &elmt_ : elmt_list)
@@ -198,7 +198,7 @@ QVector<TerminalElement *> ElementProvider::freeTerminal() const
 {
 	QVector<TerminalElement *> vector_;

-	for (const auto &diagram : qAsConst(m_diagram_list))
+	for (const auto &diagram : std::as_const(m_diagram_list))
 	{
 		const auto elmt_list{diagram->elements()};

--- a/sources/elementscollectioncache.cpp
+++ b/sources/elementscollectioncache.cpp
@@ -45,18 +45,19 @@ ElementsCollectionCache::ElementsCollectionCache(const QString &database_path, Q
 		qDebug() << "Unable to open the SQLite database " << database_path << " as " << connection_name << ": " << cache_db_.lastError();
 	else
 	{
-		cache_db_.exec("PRAGMA temp_store = MEMORY");
-		cache_db_.exec("PRAGMA journal_mode = MEMORY");
-		cache_db_.exec("PRAGMA page_size = 4096");
-		cache_db_.exec("PRAGMA cache_size = 16384");
-		cache_db_.exec("PRAGMA locking_mode = EXCLUSIVE");
-		cache_db_.exec("PRAGMA synchronous = OFF");
+		QSqlQuery *temp_query = new QSqlQuery(cache_db_);
+		temp_query->exec("PRAGMA temp_store = MEMORY");
+		temp_query->exec("PRAGMA journal_mode = MEMORY");
+		temp_query->exec("PRAGMA page_size = 4096");
+		temp_query->exec("PRAGMA cache_size = 16384");
+		temp_query->exec("PRAGMA locking_mode = EXCLUSIVE");
+		temp_query->exec("PRAGMA synchronous = OFF");

 #if TODO_LIST
 #pragma message("@TODO the tables could already exist, handle that case.")
 #endif
 			//@TODO the tables could already exist, handle that case.
-		cache_db_.exec("CREATE TABLE names"
+		temp_query->exec("CREATE TABLE names"
 					   "("
 					   "path VARCHAR(512) NOT NULL,"
 					   "locale VARCHAR(2) NOT NULL,"
@@ -65,12 +66,13 @@ ElementsCollectionCache::ElementsCollectionCache(const QString &database_path, Q
 					   "PRIMARY KEY(path, locale)"
 					   ");");

-		cache_db_.exec("CREATE TABLE pixmaps"
+		temp_query->exec("CREATE TABLE pixmaps"
 					   "("
 					   "path VARCHAR(512) NOT NULL UNIQUE,"
 					   "uuid VARCHAR(512) NOT NULL,"
 					   "pixmap BLOB, PRIMARY KEY(path),"
 					   "FOREIGN KEY(path) REFERENCES names (path) ON DELETE CASCADE);");
+		delete temp_query;

 			// prepare queries
 		select_name_   = new QSqlQuery(cache_db_);
--- a/sources/machine_info.cpp
+++ b/sources/machine_info.cpp
@@ -150,7 +150,7 @@ void MachineInfo::send_info_to_debug()
 	qInfo()<< "";
 	
 	qInfo()<< " OS System language:"<< QLocale::system().name();
-	qInfo()<< " OS System Native Country Name:"<< QLocale::system().nativeCountryName();
+	qInfo()<< " OS System Native Country Name:"<< QLocale::system().nativeTerritoryName();
 	qInfo()<< " OS System Native Language Name:"<< QLocale::system().nativeLanguageName();	
 	qInfo()<< "";
 	qInfo()<< " System language defined in QET configuration:"<< QString(QETApp::langFromSetting().toLatin1());
@@ -188,7 +188,7 @@ void MachineInfo::send_info_to_debug()
 	QDirIterator it1(QETApp::commonElementsDir().toLatin1(),nameFilters,  QDir::Files, QDirIterator::Subdirectories);
 			while (it1.hasNext())
 			{
-				if(it1.next() > 0 )
+				if(it1.next() != "")
 				{
 				commomElementsDir ++;
 				}
@@ -200,7 +200,7 @@ void MachineInfo::send_info_to_debug()
 	QDirIterator it2(QETApp::customElementsDir().toLatin1(), nameFilters, QDir::Files, QDirIterator::Subdirectories);
 			while (it2.hasNext())
 			{
-				if(it2.next() > 0 )
+				if(it2.next() != "")
 				{
 				customElementsDir ++;
 				}
@@ -211,7 +211,7 @@ void MachineInfo::send_info_to_debug()
 	QDirIterator it3(QETApp::companyElementsDir().toLatin1(), nameFilters, QDir::Files, QDirIterator::Subdirectories);
 			while (it3.hasNext())
 			{
-				if(it3.next() > 0 )
+				if(it3.next() != "")
 				{
 				companyElementsDir ++;
 				}
--- a/sources/main.cpp
+++ b/sources/main.cpp
@@ -23,7 +23,7 @@
 #include "utils/qetsettings.h"

 #include <QStyleFactory>
-#include <QtConcurrentRun>
+#include <QThreadPool>

 /**
 	@brief myMessageOutput
@@ -216,7 +216,7 @@ QGuiApplication::setHighDpiScaleFactorRoundingPolicy(QetSettings::hdpiScaleFacto
 	QObject::connect(&app, &SingleApplication::receivedMessage,
 			 &qetapp, &QETApp::receiveMessage);

-	QtConcurrent::run([=]()
+	QThreadPool::globalInstance()->start([=]()
 	{
 		// for debugging
 		qInstallMessageHandler(myMessageOutput);
--- a/sources/properties/userproperties.cpp
+++ b/sources/properties/userproperties.cpp
@@ -44,17 +44,17 @@ QDomElement UserProperties::toXml(QDomDocument &xml_document) const

 	for (auto i = m_properties.begin(); i != m_properties.end(); ++i)
 	{
-		auto type = i.value().type();
+		auto type = i.value().typeId();
 		switch(type) {
-		case QVariant::Type::String:
+		case QMetaType::QString:
 			up.appendChild(QETXML::createXmlProperty(i.key(), i.value().toString())); break;
-		case QVariant::Type::Int:
+		case QMetaType::Int:
 			up.appendChild(QETXML::createXmlProperty(i.key(), i.value().toInt())); break;
-		case QVariant::Type::Double:
+		case QMetaType::Double:
 			up.appendChild(QETXML::createXmlProperty(i.key(), i.value().toDouble())); break;
-		case QVariant::Type::Bool:
+		case QMetaType::Bool:
 			up.appendChild(QETXML::createXmlProperty(i.key(), i.value().toBool())); break;
-		case QVariant::Type::Color:
+		case QMetaType::QColor:
 			up.appendChild(QETXML::createXmlProperty(i.key(), QColor(i.value().value<QColor>()))); break;
 		default:
 			break;
--- a/sources/qetapp.cpp
+++ b/sources/qetapp.cpp
@@ -45,7 +45,7 @@
 #define STRINGIFY(x) #x
 #include <QProcessEnvironment>
 #include <QRegularExpression>
-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 #	include <KAutoSaveFile>
 #endif
@@ -222,6 +222,23 @@ void QETApp::setLanguage(const QString &desired_language) {

 	// load translations for the QET application
 	// charge les traductions pour l'application QET
+#ifdef QMFILES_AS_RESOURCE
+	if (!qetTranslator.load(QLocale(desired_language), "qet" "_", ":/lang")) {
+		/* in case of failure,
+		 *  we fall back on the native channels for French
+		 * en cas d'echec,
+		 *  on retombe sur les chaines natives pour le francais
+		 */
+		if (desired_language != "fr") {
+			// use of the English version by default
+			// utilisation de la version anglaise par defaut
+			if(!qetTranslator.load(QLocale(desired_language), "qet", "_", ":/lang"))
+				qWarning() << "failed to load"
+						   << ":/lang/qet_en.qm" << "(" << __FILE__
+						   << __LINE__ << __FUNCTION__ << ")";
+		}
+	}
+#else
 	if (!qetTranslator.load("qet_" + desired_language, languages_path)) {
 		/* in case of failure,
 		 *  we fall back on the native channels for French
@@ -237,6 +254,8 @@ void QETApp::setLanguage(const QString &desired_language) {
 						   << __LINE__ << __FUNCTION__ << ")";
 		}
 	}
+#endif
+	qInfo() << "Loaded language file:" << qetTranslator.filePath();
 	qApp->installTranslator(&qetTranslator);

 	QString ltr_special_string = tr(
@@ -2368,7 +2387,7 @@ void QETApp::buildSystemTrayMenu()
 */
 void QETApp::checkBackupFiles()
 {
-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 	return;
 #else
 	QList<KAutoSaveFile *> stale_files = KAutoSaveFile::allStaleFiles();
--- a/sources/qetdiagrameditor.cpp
+++ b/sources/qetdiagrameditor.cpp
@@ -46,7 +46,7 @@
 #include "ui/diagrameditorhandlersizewidget.h"
 #include "TerminalStrip/ui/addterminalstripitemdialog.h"

-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 #	include <KAutoSaveFile>
 #endif
@@ -1892,7 +1892,7 @@ bool QETDiagramEditor::drawGrid() const
 	return m_draw_grid->isChecked();
 }

-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 /**
 	@brief QETDiagramEditor::openBackupFiles
--- a/sources/qetdiagrameditor.h
+++ b/sources/qetdiagrameditor.h
@@ -43,7 +43,7 @@ class DiagramPropertiesEditorDockWidget;
 class ElementsCollectionWidget;
 class AutoNumberingDockWidget;

-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 class KAutoSaveFile;
 #endif
@@ -69,7 +69,7 @@ class QETDiagramEditor : public QETMainWindow
 		ProjectView *currentProjectView() const;
 		QETProject *currentProject() const;
 		bool drawGrid() const;
-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 		void openBackupFiles (QList<KAutoSaveFile *> backup_files);
 #endif
@@ -195,7 +195,9 @@ class QETDiagramEditor : public QETMainWindow
 		*m_terminal_strip_dialog = nullptr, ///<Launch terminal strip dialog
 		*m_project_terminalBloc,	///< generate terminal block
 		*m_project_export_conductor_num,///<Export the wire num to csv
+#ifdef QET_EXPORT_PROJECT_DB
 		*m_export_project_db,		///Export to file the internal database of the current project
+#endif
 		*m_tile_window,			///< Show MDI subwindows as tile
 		*m_cascade_window,		///< Show MDI subwindows as cascade
 		*m_previous_window,		///< Switch to the previous document
--- a/sources/qetgraphicsitem/qetshapeitem.cpp
+++ b/sources/qetgraphicsitem/qetshapeitem.cpp
@@ -594,7 +594,7 @@ void QetShapeItem::addHandler()
 		{
 			m_handler_vector = QetGraphicsHandlerItem::handlerForPoint(mapToScene(points_vector), QETUtils::graphicsHandlerSize(this));

-			for(const auto handler : qAsConst(m_handler_vector))
+			for(const auto handler : std::as_const(m_handler_vector))
 			{
 				handler->setZValue(this->zValue()+1);
 				handler->setColor(Qt::blue);
--- a/sources/qetproject.cpp
+++ b/sources/qetproject.cpp
@@ -86,7 +86,7 @@ QETProject::QETProject(const QString &path, QObject *parent) :
 	init();
 }

-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 /**
 	@brief QETProject::QETProject
@@ -330,7 +330,7 @@ void QETProject::setFilePath(const QString &filepath)
 	if (filepath == m_file_path) {
 		return;
 	}
-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 	if (m_backup_file.isOpen()) {
 		m_backup_file.close();
@@ -1911,7 +1911,7 @@ NamesList QETProject::namesListForIntegrationCategory()
 */
 void QETProject::writeBackup()
 {
-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 #	if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) // ### Qt 6: remove
 	QDomDocument xml_project(toXml());
@@ -2077,7 +2077,7 @@ void QETProject::updateDiagramsFolioData()
 		}
 	}

-	for (const auto &diagram_ : qAsConst(m_diagrams_list)) {
+	for (const auto &diagram_ : std::as_const(m_diagrams_list)) {
 		diagram_->update();
 	}
 }
--- a/sources/qetproject.h
+++ b/sources/qetproject.h
@@ -29,7 +29,7 @@
 #include "titleblock/templatescollection.h"
 #include "titleblockproperties.h"

-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 #	include <KAutoSaveFile>
 #endif
@@ -47,7 +47,7 @@ class XmlElementCollection;
 class QTimer;
 class TerminalStrip;

-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 class KAutoSaveFile;
 #endif
@@ -78,7 +78,7 @@ class QETProject : public QObject
 	public:
 		QETProject (QObject *parent = nullptr);
 		QETProject (const QString &path, QObject * = nullptr);
-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 		QETProject (KAutoSaveFile *backup, QObject *parent=nullptr);
 #endif
@@ -288,7 +288,7 @@ class QETProject : public QObject
 		bool m_freeze_new_conductors = false;
 		QTimer m_save_backup_timer,
 			   m_autosave_timer;
-#ifdef BUILD_WITHOUT_KF5
+#ifdef BUILD_WITHOUT_KF6
 #else
 		KAutoSaveFile m_backup_file;
 #endif
--- a/sources/qetxml.h
+++ b/sources/qetxml.h
@@ -20,6 +20,8 @@

 #include <QDomElement>
 #include <QPen>
+#include <QUuid>
+

 class QDomDocument;
 class QDir;
--- a/sources/qgimanager.cpp
+++ b/sources/qgimanager.cpp
@@ -89,18 +89,6 @@ void QGIManager::release(const QList<QGraphicsItem *> &qgis) {
 	foreach(QGraphicsItem *qgi, qgis) release(qgi);
 }

-void QGIManager::manage(const QVector<QGraphicsItem *> &items) {
-	for (const auto &qgi : items) {
-		manage(qgi);
-	}
-}
-
-void QGIManager::release(const QVector<QGraphicsItem *> &items) {
-	for (const auto &qgi : items) {
-		release(qgi);
-	}
-}
-
 /**
 	Indique au QGIManager de detruire les QGraphicsItem restants lors de sa
 	destruction si ceux-ci n'appartiennent pas a la scene
--- a/sources/qgimanager.h
+++ b/sources/qgimanager.h
@@ -45,12 +45,8 @@ class QGIManager {
 	public:
 	void manage(QGraphicsItem *);
 	void release(QGraphicsItem *);
-	QT_DEPRECATED_X("Use QGIManager::manage(const QVector<QGraphicsItem *> &) instead")
-		void manage(const QList<QGraphicsItem *> &);
-	QT_DEPRECATED_X("Use QGIManager::release(const QVector<QGraphicsItem *> &) instead")
-		void release(const QList<QGraphicsItem *> &);
-	void manage(const QVector<QGraphicsItem *> &items);
-	void release(const QVector<QGraphicsItem *> &items);
+	void manage(const QList<QGraphicsItem *> &);
+	void release(const QList<QGraphicsItem *> &);
 	void setDestroyQGIOnDelete(bool);
 	bool manages(QGraphicsItem *) const;
 };
--- a/sources/recentfiles.cpp
+++ b/sources/recentfiles.cpp
@@ -33,7 +33,7 @@ RecentFiles::RecentFiles(const QString &identifier, int size, QObject *parent) :
 	menu_(nullptr)
 {
 	mapper_ = new QSignalMapper(this);
-	connect(mapper_, SIGNAL(mapped(const QString &)), this, SLOT(handleMenuRequest(const QString &)));
+	connect(mapper_, &QSignalMapper::mappedString, this, &RecentFiles::handleMenuRequest);

 	extractFilesFromSettings();
 	buildMenu();
--- a/sources/titleblock/templatescollection.cpp
+++ b/sources/titleblock/templatescollection.cpp
@@ -454,7 +454,7 @@ QDomElement TitleBlockTemplatesFilesCollection::getTemplateXmlDescription(const
 	}

 	QDomDocument *xml_document = new QDomDocument();
-	bool xml_parsing = xml_document -> setContent(&xml_file);
+	bool xml_parsing = (bool)xml_document -> setContent(&xml_file);
 	if (!xml_parsing) {
 		delete xml_document;
 		return(QDomElement());
--- a/sources/titleblock/templateview.h
+++ b/sources/titleblock/templateview.h
@@ -19,6 +19,8 @@
 #define TITLEBLOCK_SLASH_TEMPLATE_VIEW_H
 #include "../titleblocktemplate.h"

+#include <QGraphicsGridLayout>
+#include <QGraphicsLayoutItem>
 #include <QGraphicsView>
 class HelperCell;
 class SplittedHelperCell;
--- a/sources/titleblocktemplate.cpp
+++ b/sources/titleblocktemplate.cpp
@@ -103,7 +103,7 @@ bool TitleBlockTemplate::loadFromXmlFile(const QString &filepath) {

 	// parse its content as XML
 	QDomDocument xml_doc;
-	bool xml_parsing = xml_doc.setContent(&template_file);
+	bool xml_parsing = (bool)xml_doc.setContent(&template_file);
 	if (!xml_parsing) {
 		return(false);
 	}
--- a/sources/ui/elementinfowidget.cpp
+++ b/sources/ui/elementinfowidget.cpp
@@ -203,7 +203,7 @@ void ElementInfoWidget::buildInterface()
 */
 ElementInfoPartWidget *ElementInfoWidget::infoPartWidgetForKey(const QString &key) const
 {
-	for (const auto &eipw : qAsConst(m_eipw_list))
+	for (const auto &eipw : std::as_const(m_eipw_list))
 	{
 		if (eipw->key() == key)
 			return eipw;
@@ -245,7 +245,7 @@ DiagramContext ElementInfoWidget::currentInfo() const
 {
 	DiagramContext info_;

-	for (const auto &eipw : qAsConst(m_eipw_list))
+	for (const auto &eipw : std::as_const(m_eipw_list))
 	{

 			//add value only if they're something to store
--- a/sources/ui/shapegraphicsitempropertieswidget.cpp
+++ b/sources/ui/shapegraphicsitempropertieswidget.cpp
@@ -504,7 +504,7 @@ void ShapeGraphicsItemPropertiesWidget::setUpEditConnection()

 void ShapeGraphicsItemPropertiesWidget::clearEditConnection()
 {
-	for (const auto &c : qAsConst(m_edit_connection)) {
+	for (const auto &c : std::as_const(m_edit_connection)) {
 		disconnect(c);
 	}
 	m_edit_connection.clear();
--- a/sources/undocommand/movegraphicsitemcommand.cpp
+++ b/sources/undocommand/movegraphicsitemcommand.cpp
@@ -139,7 +139,7 @@ void MoveGraphicsItemCommand::move(const QPointF &movement)
 	}

 		//Move some conductors
-	for (const auto &conductor : qAsConst(m_content.m_conductors_to_move)) {
+	for (const auto &conductor : std::as_const(m_content.m_conductors_to_move)) {
 		setupAnimation(conductor,
 					   "pos",
 					   conductor->pos(),
@@ -147,7 +147,7 @@ void MoveGraphicsItemCommand::move(const QPointF &movement)
 	}

 		//Recalculate the path of other conductors
-	for (const auto &conductor : qAsConst(m_content.m_conductors_to_update)) {
+	for (const auto &conductor : std::as_const(m_content.m_conductors_to_update)) {
 		setupAnimation(conductor, "animPath", 1, 1);
 	}
 }
--- a/tests/catch/CMakeLists.txt
+++ b/tests/catch/CMakeLists.txt
@@ -40,31 +40,15 @@ if(NOT DEFINED QET_COMPONENTS)
  message(".. QET_COMPONENTS is not set !!! I set them up !!!")
  include(../../cmake/qet_compilation_vars.cmake)
 endif()
-if(NOT DEFINED QT_VERSION_MAJOR)
-  find_package(
-    QT
-   NAMES
-    Qt6
-    Qt5
-   COMPONENTS
-    ${QET_COMPONENTS}
-   REQUIRED
-   )
-endif()
-message(".. QT_VERSION_MAJOR   :" ${QT_VERSION_MAJOR})
-
-find_package(
-  Qt${QT_VERSION_MAJOR}
- COMPONENTS
- ${QET_COMPONENTS}
- REQUIRED)
+find_package(Qt6 REQUIRED COMPONENTS ${QET_COMPONENTS})
+message(".. Qt version                :" ${Qt6_VERSION})

 Include(FetchContent)

 FetchContent_Declare(
  Catch2
  GIT_REPOSITORY https://github.com/catchorg/Catch2.git
-  GIT_TAG        v2.13.1)
+  GIT_TAG        v3.7.0)

 FetchContent_MakeAvailable(Catch2)

@@ -88,7 +72,7 @@ target_link_libraries(
    PUBLIC
    Catch2::Catch2
    PRIVATE
-    ${KF5_PRIVATE_LIBRARIES}
+    ${KF6_PRIVATE_LIBRARIES}
    ${QET_PRIVATE_LIBRARIES})

 if (DEFINED ENV{CATCH_INCLUDE_DIR})
--- a/tests/catch/main.cpp
+++ b/tests/catch/main.cpp
@@ -1,6 +1,6 @@
 #define CATCH_CONFIG_RUNNER
 #include <QtGui/QGuiApplication>
-#include <catch2/catch.hpp>
+#include <catch2/catch_all.hpp>

 int main(int argc, char** argv)
 {
--- a/tests/catch/src/borderproperties_test.cpp
+++ b/tests/catch/src/borderproperties_test.cpp
@@ -1,6 +1,6 @@
 #include "../../../sources/borderproperties.h"

-#include <catch2/catch.hpp>
+#include <catch2/catch_all.hpp>

 TEST_CASE("BorderProperties")
 {
--- a/tests/catch/src/qet_test.cpp
+++ b/tests/catch/src/qet_test.cpp
@@ -1,6 +1,6 @@
 #include "../../../sources/qet.h"

-#include <catch2/catch.hpp>
+#include <catch2/catch_all.hpp>

 TEST_CASE("qet stringToFileName")
 {
--- a/tests/catch/tst_My_test.cpp
+++ b/tests/catch/tst_My_test.cpp
@@ -1,3 +1,3 @@
-#include <catch2/catch.hpp>
+#include <catch2/catch_all.hpp>

 TEST_CASE("My first test with Catch2", "[fancy]") { REQUIRE(0 == 0); }
--- a/tests/googlemock/CMakeLists.txt
+++ b/tests/googlemock/CMakeLists.txt
@@ -40,31 +40,15 @@ if(NOT DEFINED QET_COMPONENTS)
  message(".. QET_COMPONENTS is not set !!! I set them up !!!")
  include(../../cmake/qet_compilation_vars.cmake)
 endif()
-if(NOT DEFINED QT_VERSION_MAJOR)
-  find_package(
-    QT
-   NAMES
-    Qt6
-    Qt5
-   COMPONENTS
-    ${QET_COMPONENTS}
-   REQUIRED
-   )
-endif()
-message(".. QT_VERSION_MAJOR          :" ${QT_VERSION_MAJOR})
-
-find_package(
-  Qt${QT_VERSION_MAJOR}
- COMPONENTS
- ${QET_COMPONENTS}
- REQUIRED)
+find_package(Qt6 REQUIRED COMPONENTS ${QET_COMPONENTS})
+message(".. Qt version                :" ${Qt6_VERSION})

 Include(FetchContent)

 FetchContent_Declare(
  GTest
  GIT_REPOSITORY https://github.com/google/googletest.git
-  GIT_TAG        release-1.10.0)
+  GIT_TAG        v1.15.2)

 FetchContent_MakeAvailable(GTest)

@@ -85,6 +69,6 @@ target_link_libraries(
    PUBLIC
    gmock gmock_main
    PRIVATE
-    ${KF5_PRIVATE_LIBRARIES}
+    ${KF6_PRIVATE_LIBRARIES}
    ${QET_PRIVATE_LIBRARIES})

--- a/tests/googletest/CMakeLists.txt
+++ b/tests/googletest/CMakeLists.txt
@@ -40,31 +40,15 @@ if(NOT DEFINED QET_COMPONENTS)
  message(".. QET_COMPONENTS is not set !!! I set them up !!!")
  include(../../cmake/qet_compilation_vars.cmake)
 endif()
-if(NOT DEFINED QT_VERSION_MAJOR)
-  find_package(
-    QT
-   NAMES
-    Qt6
-    Qt5
-   COMPONENTS
-    ${QET_COMPONENTS}
-   REQUIRED
-   )
-endif()
-message(".. QT_VERSION_MAJOR          :" ${QT_VERSION_MAJOR})
-
-find_package(
-  Qt${QT_VERSION_MAJOR}
- COMPONENTS
- ${QET_COMPONENTS}
- REQUIRED)
+find_package(Qt6 REQUIRED COMPONENTS ${QET_COMPONENTS})
+message(".. Qt version                :" ${Qt6_VERSION})

 Include(FetchContent)

 FetchContent_Declare(
  GTest
  GIT_REPOSITORY https://github.com/google/googletest.git
-  GIT_TAG        release-1.10.0)
+  GIT_TAG        v1.15.2)

 FetchContent_MakeAvailable(GTest)

@@ -84,6 +68,6 @@ target_link_libraries(
    PUBLIC
    gtest gtest_main
    PRIVATE
-    ${KF5_PRIVATE_LIBRARIES}
+    ${KF6_PRIVATE_LIBRARIES}
    ${QET_PRIVATE_LIBRARIES})

--- a/tests/qttest/CMakeLists.txt
+++ b/tests/qttest/CMakeLists.txt
@@ -40,26 +40,8 @@ if(NOT DEFINED QET_COMPONENTS)
  message(".. QET_COMPONENTS is not set !!! I set them up !!!")
  include(../../cmake/qet_compilation_vars.cmake)
 endif()
-if(NOT DEFINED QT_VERSION_MAJOR)
-  find_package(
-    QT
-   NAMES
-    Qt6
-    Qt5
-   COMPONENTS
-    ${QET_COMPONENTS}
-    Test
-   REQUIRED
-   )
-endif()
-message(".. QT_VERSION_MAJOR          :" ${QT_VERSION_MAJOR})
-
-find_package(
-  Qt${QT_VERSION_MAJOR}
- COMPONENTS
- ${QET_COMPONENTS}
- Test
- REQUIRED)
+find_package(Qt6 REQUIRED COMPONENTS Test ${QET_COMPONENTS})
+message(".. Qt version                :" ${Qt6_VERSION})

 include(../../cmake/fetch_kdeaddons.cmake)
 include(../../cmake/fetch_singleapplication.cmake)
@@ -74,6 +56,6 @@ target_link_libraries(
  ${PROJECT_NAME}
  PRIVATE
  Qt::Test
-  ${KF5_PRIVATE_LIBRARIES}
+  ${KF6_PRIVATE_LIBRARIES}
  ${QET_PRIVATE_LIBRARIES})