// 要求的cmake最低版本
cmake_minimum_required(VERSION 3.16)

// 设置项目名称、版本、即所用的开发语言
project(bookkeeper VERSION 0.1 LANGUAGES CXX)

//启用自动生成组件代码
set(CMAKE_AUTOUIC ON)

// 启用 自动处理 MOC 文件。
set(CMAKE_AUTOMOC ON)

// 启用自动处理 Qt 资源文件。
set(CMAKE_AUTORCC ON)

// 设置C++标准
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

// 查找Qt6或Qt5，并且有Widgets组件
find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Widgets)

// 查找Qt主版本，并且拥有指定的包
find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets)

// 设置变量，枚举源代码
set(PROJECT_SOURCES
        main.cpp
        mywidget.cpp
        mywidget.h
        mywidget.ui
)

// 如果Qt版本>=6，则添加可执行文件。
// MANUAL_FINALIZATION表示手动控制构建完成阶段
// 即在qt_finalize_executable()之前完成一些链接库等自定义操作
if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
    qt_add_executable(bookkeeper
        MANUAL_FINALIZATION
        ${PROJECT_SOURCES}
    )
# Define target properties for Android with Qt 6 as:
#    set_property(TARGET bookkeeper APPEND PROPERTY QT_ANDROID_PACKAGE_SOURCE_DIR
#                 ${CMAKE_CURRENT_SOURCE_DIR}/android)
# For more information, see https://doc.qt.io/qt-6/qt-add-executable.html#target-creation
else()
    if(ANDROID)
        add_library(bookkeeper SHARED
            ${PROJECT_SOURCES}
        )
# Define properties for Android with Qt 5 after find_package() calls as:
#    set(ANDROID_PACKAGE_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/android")
    else()
        add_executable(bookkeeper
            ${PROJECT_SOURCES}
        )
    endif()
endif()

// 链接一些库
target_link_libraries(bookkeeper PRIVATE Qt${QT_VERSION_MAJOR}::Widgets)

# Qt for iOS sets MACOSX_BUNDLE_GUI_IDENTIFIER automatically since Qt 6.1.
# If you are developing for iOS or macOS you should consider setting an
# explicit, fixed bundle identifier manually though.
if(${QT_VERSION} VERSION_LESS 6.1.0)
  set(BUNDLE_ID_OPTION MACOSX_BUNDLE_GUI_IDENTIFIER com.example.bookkeeper)
endif()
set_target_properties(bookkeeper PROPERTIES
    ${BUNDLE_ID_OPTION}
    MACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION}
    MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
    MACOSX_BUNDLE TRUE
    WIN32_EXECUTABLE TRUE
)

// 包含头文件
include(GNUInstallDirs)

// 安装文件
install(TARGETS bookkeeper
    BUNDLE DESTINATION .
    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)

if(QT_VERSION_MAJOR EQUAL 6)
    qt_finalize_executable(bookkeeper)
endif()