First implementation for KPI GUI with Qt5

Authors: Bo Zhao, Marwan Hammouda, Thomas Schlichter (Fraunhofer IIS)

- CMakeLists modification: add QtWidgets library, add new source files, MOC (Meta-Object Compiler) on the given source file
- build_oai modification
- Activate new GUI with Qt on the UE side
- 2 x 3 widget with I/Q sample for PDSCH
- Drop-down list implementation

CMakeLists.txt

@@ -1005,7 +1005,7 @@ add_dependencies(ldpc_cl nrLDPC_decoder_kernels_CL)
 # Base CUDA setting
 ##############################################
 
-add_boolean_option(BUILD_CUDA False "Build support for CUDA" OFF)
+add_boolean_option(ENABLE_LDPC_CUDA OFF "Build support for CUDA" OFF)
 if (ENABLE_LDPC_CUDA)
   find_package(CUDA REQUIRED)
   SET(CUDA_NVCC_FLAG "${CUDA_NVCC_FLAGS};-arch=sm_60;")
@@ -2040,6 +2040,19 @@ add_library(SIMU STATIC ${SIMUSRC} )
 target_include_directories(SIMU PUBLIC ${OPENAIR1_DIR}/SIMULATION/TOOLS ${OPENAIR1_DIR}/SIMULATION/RF)
 target_link_libraries(SIMU PRIVATE asn1_nr_rrc asn1_lte_rrc)
 
+# Qt-based scope
+add_boolean_option(ENABLE_NRQTSCOPE OFF "Build the Qt-Scope" OFF)
+if (ENABLE_NRQTSCOPE)
+  find_package(Qt5 REQUIRED COMPONENTS Widgets Charts)
+  message ("Qt5 Widgets and Charts found for nrqtscope")
+  set(QTSCOPE_SOURCE_NR ${OPENAIR1_DIR}/PHY/TOOLS/nr_phy_qt_scope.cpp)
+  # Creates rules for calling the Meta-Object Compiler (moc) on the given source files
+  qt5_wrap_cpp(QTSCOPE_SOURCE_NR ${OPENAIR1_DIR}/PHY/TOOLS/nr_phy_qt_scope.h)
+  add_library(nrqtscope MODULE ${QTSCOPE_SOURCE_NR})
+  target_link_libraries(nrqtscope PRIVATE Qt5::Widgets Qt5::Charts)
+  target_link_libraries(nrqtscope PRIVATE asn1_nr_rrc asn1_lte_rrc)
+endif()
+
 add_library(SIMU_ETH
 ${OPENAIR1_DIR}/SIMULATION/ETH_TRANSPORT/netlink_init.c
 ${OPENAIR1_DIR}/SIMULATION/ETH_TRANSPORT/multicast_link.c