CMakeLists.txt

cmake_minimum_required(VERSION 3.0)
project(LDForge VERSION 1.0)
set(COPYRIGHT "Copyright (C) 2013 - 2022 Teemu Piippo")
string(TOLOWER ${PROJECT_NAME} TARGET_NAME)
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/CMake")
include(cotire)
set(OpenGL_GL_PREFERENCE GLVND)
find_package(Qt6 COMPONENTS Core Widgets OpenGL UiPlugin OpenGLWidgets)
if (Qt6_FOUND)
	message(NOTICE "-- Using Qt6")
	find_package(Qt6 REQUIRED COMPONENTS Core5Compat)
	# Unfortunately "Qt::UiPlugin" doesn't seem to work so let's resolve
	# it here instead...
	add_library(QtUiPlugin ALIAS Qt6::UiPlugin)
else()
	message(NOTICE "-- Qt6 not found, using Qt5 instead")
	find_package(Qt5 5.5 REQUIRED COMPONENTS Core Widgets OpenGL UiPlugin)
	add_library(QtUiPlugin ALIAS Qt5::UiPlugin)
endif()
find_package(OpenGL REQUIRED)
find_package(GLEW REQUIRED)
find_package(GLM REQUIRED)
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTORCC ON)
include_directories(${CMAKE_CURRENT_BINARY_DIR})
include_directories(${GLM_INCLUDE_DIR})
add_definitions(-DQT_NO_KEYWORDS)
source_group(${PROJECT_NAME} REGULAR_EXPRESSION "src/.+\\.(cpp|h|ui)")

if (NOT MSVC)
	if ("${CMAKE_BUILD_TYPE}" STREQUAL "Debug" OR "${CMAKE_BUILD_TYPE}" STREQUAL "RelWithDebInfo")
		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DDEBUG")
	endif()
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wpedantic -Wunused")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-implicit-fallthrough")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-noexcept-type")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wformat-nonliteral -Wnonnull -Wnull-dereference -Winfinite-recursion -Wuninitialized -Wmissing-noreturn")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wshadow")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wundef -Wmissing-field-initializers")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wcast-qual -Wcast-align -Wcast-function-type -Wconversion")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wmissing-declarations -Wdate-time")
endif()
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wcovered-switch-default -Wextra-semi -Wgnu -Wmicrosoft")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Woverloaded-virtual -Wsometimes-uninitialized -Wstring-concatenation -Wstring-conversion -Wsuggest-override")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wsuggest-override -Wundefined-func-template -Wundefined-reinterpret-cast")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wuninitialized-const-reference -Wunreachable-code -Wunreachable-code-break -Wunreachable-code-return")
endif()

# Pass some CMake variables down to the source code
add_definitions(-DCMAKE_PROJECT_NAME="${CMAKE_PROJECT_NAME}")
add_definitions(-DTARGET_NAME="${TARGET_NAME}")
add_definitions(-DCMAKE_PROJECT_VERSION="${CMAKE_PROJECT_VERSION}")
add_definitions(-DCOPYRIGHT="${COPYRIGHT}")
add_definitions(-DCMAKE_CXX_COMPILER_ID="${CMAKE_CXX_COMPILER_ID}")
add_definitions(-DCMAKE_CXX_COMPILER_VERSION="${CMAKE_CXX_COMPILER_VERSION}")
add_definitions(-DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS}")
add_definitions(-DCMAKE_SYSTEM_PROCESSOR="${CMAKE_SYSTEM_PROCESSOR}")
add_definitions(-DCMAKE_SYSTEM="${CMAKE_SYSTEM}")
add_definitions(-DCMAKE_BUILD_TYPE="${CMAKE_BUILD_TYPE}")

add_subdirectory(widgets)

set(SOURCE_FILES
	src/colors.cpp
	src/documentmanager.cpp
	src/geometry.cpp
	src/ldrawalgorithm.cpp
	src/libraries.cpp
	src/inputvertices.cpp
	src/invert.cpp
	src/main.cpp
	src/messagelog.cpp
	src/model.cpp
	src/parser.cpp
	src/polygoncache.cpp
	src/triangulate.cpp
	src/uiutilities.cpp
	src/version.cpp
	src/vertexmap.cpp
	src/gl/basicshaderprogram.cpp
	src/gl/compiler.cpp
	src/gl/partrenderer.cpp
	src/layers/axeslayer.cpp
	src/layers/edittools.cpp
	src/layers/gridlayer.cpp
	src/settingseditor/keyboardshortcutseditor.cpp
	src/settingseditor/librarieseditor.cpp
	src/settingseditor/settingseditor.cpp
	src/types/boundingbox.cpp
	src/ui/circletooloptionswidget.cpp
	src/ui/objecteditor.cpp
	src/widgets/colorindexinput.cpp
	src/widgets/colorselectdialog.cpp
)
set(HEADER_FILES
	src/basics.h
	src/circularprimitive.h
	src/colors.h
	src/documentmanager.h
	src/geometry.h
	src/inputvertices.h
	src/invert.h
	src/ldrawalgorithm.h
	src/libraries.h
	src/messagelog.h
	src/model.h
	src/parser.h
	src/polygoncache.h
	src/settings.h
	src/triangulate.h
	src/typeconversions.h
	src/uiutilities.h
	src/version.h
	src/vertexmap.h
	src/gl/basicshaderprogram.h
	src/gl/common.h
	src/gl/compiler.h
	src/gl/partrenderer.h
	src/layers/axeslayer.h
	src/layers/edittools.h
	src/layers/gridlayer.h
	src/settingseditor/keyboardshortcutseditor.h
	src/settingseditor/librarieseditor.h
	src/settingseditor/settingseditor.h
	src/types/boundingbox.h
	src/ui/circletooloptionswidget.h
	src/ui/objecteditor.h
	src/widgets/colorindexinput.h
	src/widgets/colorselectdialog.h
	thirdparty/earcut.h
)
set(FORM_FILES
	src/about.ui
	src/mainwindow.ui
	src/settingseditor/librarieseditor.ui
	src/settingseditor/settingseditor.ui
	src/ui/circletool.ui
	src/ui/objecteditor.ui
	src/widgets/colorselectdialog.ui
	src/widgets/colorindexinput.ui
)

set(CMAKE_AUTOUIC_SEARCH_PATHS src/ui)
set(QRC_FILE resources.qrc)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
include_directories("${PROJECT_BINARY_DIR}")
include_directories("${PROJECT_BINARY_DIR}/src")
include_directories("${PROJECT_SOURCE_DIR}")
qt_add_resources(QRC_SOURCE ${QRC_FILE})
qt_wrap_ui(FORMS_HEADERS ${FORM_FILES})

add_executable(${TARGET_NAME} WIN32
	${SOURCE_FILES}
	${HEADER_FILES}
	${QRC_FILE}
	${QRC_SOURCE}
	${FORMS_HEADERS}
	${OTHER_FILES}
)

set_source_files_properties(${HEADER_FILES} PROPERTIES HEADER_FILE_ONLY TRUE)
set_source_files_properties(${QRC_FILE} PROPERTIES HEADER_FILE_ONLY TRUE)
set_source_files_properties(${OTHER_FILES} PROPERTIES HEADER_FILE_ONLY TRUE)
set_target_properties(${TARGET_NAME} PROPERTIES AUTOMOC 1)
target_link_libraries(${TARGET_NAME} PRIVATE Qt::Core)
target_link_libraries(${TARGET_NAME} PRIVATE Qt::Widgets)
target_link_libraries(${TARGET_NAME} PRIVATE Qt::OpenGL)
target_link_libraries(${TARGET_NAME} PRIVATE ${OPENGL_LIBRARIES})
target_link_libraries(${TARGET_NAME} PRIVATE ${GLEW_LIBRARIES})
target_link_libraries(${TARGET_NAME} PRIVATE ${WIDGETLIB})
if (Qt6_FOUND)
	target_link_libraries(${TARGET_NAME} PRIVATE Qt6::Core5Compat)
	target_link_libraries(${TARGET_NAME} PRIVATE Qt6::OpenGLWidgets)
endif()
cotire(${TARGET_NAME})

add_custom_target(linelength ALL
	COMMAND python3
		"${CMAKE_SOURCE_DIR}/tools/linelength.py"
		${SOURCE_FILES}
		${HEADER_FILESl}
	WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
add_dependencies(${TARGET_NAME} linelength)

add_custom_target(indentlevel ALL
	COMMAND python3
		"${CMAKE_SOURCE_DIR}/tools/indentlevel.py"
		${SOURCE_FILES}
		${HEADER_FILESl}
	WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
add_dependencies(${TARGET_NAME} indentlevel)

# Collect the current hg revision into hginfo.h
add_custom_target(revision_check ALL
	COMMAND python3 "${CMAKE_SOURCE_DIR}/tools/updaterevision.py" --cwd "$(CMAKE_SOURCE_DIR)" hginfo.h
	WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
add_dependencies(${TARGET_NAME} revision_check)

install(TARGETS ${TARGET_NAME} RUNTIME DESTINATION bin)