cmake_minimum_required(VERSION 3.9)
cmake_policy(SET CMP0071 NEW)
project(QtAutogen)

if (QT_TEST_VERSION STREQUAL 4)
  find_package(Qt4 REQUIRED)

  # Include this directory before using the UseQt4 file.
  add_subdirectory(defines_test)

  include(UseQt4)

  set(QT_QTCORE_TARGET Qt4::QtCore)

  macro(qtx_wrap_cpp)
    qt4_wrap_cpp(${ARGN})
  endmacro()
  macro(qtx_generate_moc)
    qt4_generate_moc(${ARGN})
  endmacro()

else()
  if (NOT QT_TEST_VERSION STREQUAL 5)
    message(SEND_ERROR "Invalid Qt version specified.")
  endif()
  find_package(Qt5Widgets REQUIRED)

  set(QT_QTCORE_TARGET Qt5::Core)

  include_directories(${Qt5Widgets_INCLUDE_DIRS})
  set(QT_LIBRARIES Qt5::Widgets)

  if(Qt5_POSITION_INDEPENDENT_CODE AND CMAKE_CXX_COMPILE_OPTIONS_PIC)
    add_definitions(${CMAKE_CXX_COMPILE_OPTIONS_PIC})
  endif()

  macro(qtx_wrap_cpp)
    qt5_wrap_cpp(${ARGN})
  endmacro()
  macro(qtx_generate_moc)
    qt5_generate_moc(${ARGN})
  endmacro()

endif()

get_property(QT_COMPILE_FEATURES TARGET ${QT_QTCORE_TARGET} PROPERTY INTERFACE_COMPILE_FEATURES)

# Qt4 moc does not support utf8 paths in _parameter files generated by
# qtx_wrap_cpp
# https://bugreports.qt.io/browse/QTBUG-35480
# Do a simple check if there is are non ASCII character in the build path
string(REGEX MATCH "[^ -~]+" NON_ASCII_BDIR ${CMAKE_CURRENT_BINARY_DIR})
if((NOT NON_ASCII_BDIR) OR (NOT QT_TEST_VERSION STREQUAL 4))
  set(ALLOW_WRAP_CPP TRUE)
endif()
# On windows qtx_wrap_cpp also fails in Qt5 when used on a path that
# contains non ASCII characters
if(NON_ASCII_BDIR AND WIN32)
  set(ALLOW_WRAP_CPP FALSE)
endif()

# -- Test
# MOC only
add_executable(mocOnly mocOnlySource/main.cpp mocOnlySource/StyleA.cpp mocOnlySource/StyleB.cpp)
set_property(TARGET mocOnly PROPERTY AUTOMOC ON)
target_link_libraries(mocOnly ${QT_LIBRARIES})

# -- Test
# UIC only
if(ALLOW_WRAP_CPP)
  qtx_wrap_cpp(uicOnlyMoc uicOnlySource/uiconly.h)
  add_executable(uicOnly uicOnlySource/uiconly.cpp ${uicOnlyMoc})
  set_property(TARGET uicOnly PROPERTY AUTOUIC ON)
  target_link_libraries(uicOnly ${QT_LIBRARIES})
endif()

# -- Test
# RCC only
add_executable(rccOnly rccOnly.cpp rccOnlyRes.qrc)
set_property(TARGET rccOnly PROPERTY AUTORCC ON)
target_link_libraries(rccOnly ${QT_QTCORE_TARGET})

# -- Test
# RCC empty
add_executable(rccEmpty rccEmpty.cpp rccEmptyRes.qrc)
set_property(TARGET rccEmpty PROPERTY AUTORCC ON)
target_link_libraries(rccEmpty ${QT_QTCORE_TARGET})

# -- Test
# Add not_generated_file.qrc to the source list to get the file-level
# dependency, but don't generate a c++ file from it.  Disable the AUTORCC
# feature for this target.  This tests that qrc files in the sources don't
# have an effect on generation if AUTORCC is off.
add_library(empty STATIC empty.cpp not_generated_file.qrc)
set_target_properties(empty PROPERTIES AUTORCC OFF)
set_target_properties(empty PROPERTIES AUTOMOC TRUE)
target_link_libraries(empty no_link_language)
add_library(no_link_language STATIC empty.h)
set_target_properties(no_link_language PROPERTIES AUTOMOC TRUE)
# Pass Qt compiler features to targets that don't link against Qt
target_compile_features(no_link_language PRIVATE ${QT_COMPILE_FEATURES})
target_compile_features(empty PRIVATE ${QT_COMPILE_FEATURES})


# -- Test
# Test for SKIP_AUTOMOC and SKIP_AUTOGEN on an AUTOMOC enabled target
if(ALLOW_WRAP_CPP)
  # Generate header mocs manually
  qtx_wrap_cpp(skipMocWrapMoc
    skipSource/qItemA.hpp
    skipSource/qItemB.hpp
    skipSource/qItemC.hpp
    skipSource/qItemD.hpp
    )
  set(skipMocSources
    skipMoc.cpp
    skipSource/qItemA.cpp
    skipSource/qItemB.cpp
    skipSource/qItemC.cpp
    skipSource/qItemD.cpp
    )
  # When cpp files are skipped, the hpp won't be processed either,
  # unless they are mentioned in the sources - which they aren't.
  set_property(SOURCE skipSource/qItemA.cpp PROPERTY SKIP_AUTOMOC ON)
  set_property(SOURCE skipSource/qItemB.cpp PROPERTY SKIP_AUTOGEN ON)
  # When hpp files are skipped, the cpp still get processed.
  set_property(SOURCE skipSource/qItemC.hpp PROPERTY SKIP_AUTOMOC ON)
  set_property(SOURCE skipSource/qItemD.hpp PROPERTY SKIP_AUTOGEN ON)
  # AUTOMOC enabled only
  add_executable(skipMocA ${skipMocSources} ${skipMocWrapMoc})
  set_property(TARGET skipMocA PROPERTY AUTOMOC ON)
  target_link_libraries(skipMocA ${QT_LIBRARIES})
  # AUTOMOC and AUTOUIC enabled
  add_executable(skipMocB ${skipMocSources} ${skipMocWrapMoc})
  set_property(TARGET skipMocB PROPERTY AUTOMOC ON)
  set_property(TARGET skipMocB PROPERTY AUTOUIC ON)
  target_link_libraries(skipMocB ${QT_LIBRARIES})
endif()

# -- Test
# Test for SKIP_AUTOUIC and SKIP_AUTOGEN on an AUTOUIC enabled target
set(skipUicSources
  skipUic.cpp
  skipSource/skipUicGen.cpp
  skipSource/skipUicNoGen1.cpp
  skipSource/skipUicNoGen2.cpp
)
set_property(SOURCE skipSource/skipUicNoGen1.cpp PROPERTY SKIP_AUTOUIC ON)
set_property(SOURCE skipSource/skipUicNoGen2.cpp PROPERTY SKIP_AUTOGEN ON)
# AUTOUIC enabled
add_executable(skipUicA ${skipUicSources})
set_property(TARGET skipUicA PROPERTY AUTOUIC ON)
target_link_libraries(skipUicA ${QT_LIBRARIES})
# AUTOUIC and AUTOMOC enabled
add_executable(skipUicB ${skipUicSources})
set_property(TARGET skipUicB PROPERTY AUTOUIC ON)
set_property(TARGET skipUicB PROPERTY AUTOMOC ON)
target_link_libraries(skipUicB ${QT_LIBRARIES})

# -- Test
# Test for SKIP_AUTORCC and SKIP_AUTOGEN on an AUTORCC enabled target
set(skipRccSources
  skipRcc.cpp
  skipSource/skipRccBad1.qrc
  skipSource/skipRccBad2.qrc
  skipSource/skipRccGood.qrc
)
set_property(SOURCE skipSource/skipRccBad1.qrc PROPERTY SKIP_AUTORCC ON)
set_property(SOURCE skipSource/skipRccBad2.qrc PROPERTY SKIP_AUTOGEN ON)
# AUTORCC enabled
add_executable(skipRccA ${skipRccSources})
set_property(TARGET skipRccA PROPERTY AUTORCC ON)
target_link_libraries(skipRccA ${QT_LIBRARIES})
# AUTORCC, AUTOUIC and AUTOMOC enabled
add_executable(skipRccB ${skipRccSources})
set_property(TARGET skipRccB PROPERTY AUTORCC ON)
set_property(TARGET skipRccB PROPERTY AUTOUIC ON)
set_property(TARGET skipRccB PROPERTY AUTOMOC ON)
target_link_libraries(skipRccB ${QT_LIBRARIES})

# -- Test
# MOC AUTOMOC_MACRO_NAMES
if (NOT QT_TEST_VERSION STREQUAL 4)
  add_subdirectory(mocMacroName)
endif()

# -- Test
# Tests AUTOMOC with generated sources
add_subdirectory(mocDepends)

# -- Test
# Tests various include moc patterns
if(ALLOW_WRAP_CPP)
  add_subdirectory(mocIncludeStrict)
  add_subdirectory(mocIncludeRelaxed)
endif()

# -- Test
# Tests policy 0071
if(ALLOW_WRAP_CPP)
  add_subdirectory(mocCMP0071)
endif()

# -- Test
# Tests various .ui include directories
add_subdirectory(uicInclude)

# -- Test
# OBJECT libraries
add_subdirectory(objectLibrary)

# -- Test
# Source files with the same basename in different subdirectories
add_subdirectory(sameName)

# -- Test
# Complex test case
add_subdirectory(complex)