Add switch for KF5 (QT6) and Mod Cmake

if we want to test QET on QT6, KF5 must be removed from the code,
this switch is for that,

this is for testing only

cmake/define_definitions.cmake

@@ -61,6 +61,11 @@ message("PROJECT_HOMEPAGE_URL      :" ${PROJECT_HOMEPAGE_URL})
 message("PROJECT_SOURCE_DIR        :" ${PROJECT_SOURCE_DIR})
 message("QET_DIR                   :" ${QET_DIR})
 message("GIT_COMMIT_SHA            :" ${GIT_COMMIT_SHA})
-message("KF5_GIT_TAG               :" ${KF5_GIT_TAG})
+
+if(BUILD_WITH_KF5)
+  message("KF5_GIT_TAG               :" ${KF5_GIT_TAG})
+else()
+  add_definitions(-DBUILD_WITHOUT_KF5)
+endif()
 message("QET_COMPONENTS            :" ${QET_COMPONENTS})
 message("QT_VERSION_MAJOR          :" ${QT_VERSION_MAJOR})

cmake/developer_options.cmake

@@ -30,3 +30,6 @@ add_definitions(-DQT_MESSAGELOGCONTEXT)
 # You can make your code warn on compile time for the TODO's
 # In order to do so, uncomment the following line.
 #add_definitions(-DTODO_LIST)
+
+# Build with KF5
+option(BUILD_WITH_KF5 "Build with KF5" ON)

cmake/fetch_kdeaddons.cmake

@@ -16,40 +16,52 @@
 
 message(" - fetch_kdeaddons")
 
-Include(FetchContent)
+if(DEFINED BUILD_WITH_KF5)
+  Include(FetchContent)
 
-set(BUILD_KF5_YES "YES")
+  set(BUILD_KF5_YES "YES")
 
-if(DEFINED BUILD_KF5_YES)
+  if(DEFINED BUILD_KF5_YES)
 
-  if(NOT DEFINED KF5_GIT_TAG)
-    #https://qelectrotech.org/forum/viewtopic.php?pid=13924#p13924
-    set(KF5_GIT_TAG v5.70.0)
+    if(NOT DEFINED KF5_GIT_TAG)
+      #https://qelectrotech.org/forum/viewtopic.php?pid=13924#p13924
+      set(KF5_GIT_TAG v5.70.0)
+    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})
+    FetchContent_MakeAvailable(kcoreaddons)
+
+    FetchContent_Declare(
+      kwidgetsaddons
+      GIT_REPOSITORY https://invent.kde.org/frameworks/kwidgetsaddons.git
+      GIT_TAG        ${KF5_GIT_TAG})
+    FetchContent_MakeAvailable(kwidgetsaddons)
+  else()
+    find_package(KF5CoreAddons REQUIRED)
+    find_package(KF5WidgetsAddons REQUIRED)
   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(
-    kcoreaddons
-    GIT_REPOSITORY https://invent.kde.org/frameworks/kcoreaddons.git
-    GIT_TAG        ${KF5_GIT_TAG})
-  FetchContent_MakeAvailable(kcoreaddons)
-
-  FetchContent_Declare(
-    kwidgetsaddons
-    GIT_REPOSITORY https://invent.kde.org/frameworks/kwidgetsaddons.git
-    GIT_TAG        ${KF5_GIT_TAG})
-  FetchContent_MakeAvailable(kwidgetsaddons)
-else()
-  find_package(KF5CoreAddons REQUIRED)
-  find_package(KF5WidgetsAddons REQUIRED)
+  set(KF5_PRIVATE_LIBRARIES
+    KF5::WidgetsAddons
+    KF5::CoreAddons
+    )
 endif()

cmake/qet_compilation_vars.cmake

@@ -17,14 +17,25 @@
 message(" - qet_compilation_vars")
 
 set(QET_COMPONENTS
-  Widgets
-  Concurrent
+  LinguistTools
+  PrintSupport
   Xml
   Svg
-  Network
   Sql
-  PrintSupport
-  LinguistTools)
+  Network
+  Widgets
+  Concurrent)
+
+set(QET_PRIVATE_LIBRARIES
+  Qt::PrintSupport
+  Qt::Gui
+  Qt::Xml
+  Qt::Svg
+  Qt::Sql
+  Qt::Network
+  Qt::Widgets
+  Qt::Concurrent
+  )
 
 set(QET_SRC_FILES
   ${QET_DIR}/sources/borderproperties.cpp