chore: add CMakeLists.

CMakeLists.txt

@@ -0,0 +1,50 @@
+cmake_minimum_required(VERSION 3.12)
+
+project(nwidget VERSION 0.1.0 LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
+
+add_library(nwidget INTERFACE)
+
+target_include_directories(nwidget
+INTERFACE
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+    $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+)
+
+include(GNUInstallDirs)
+
+install(TARGETS nwidget
+    EXPORT nwidget-targets
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)
+
+include(CMakePackageConfigHelpers)
+
+write_basic_package_version_file(
+    ${PROJECT_BINARY_DIR}/nwidget-config-version.cmake
+    VERSION ${PROJECT_VERSION}
+    COMPATIBILITY SameMajorVersion
+)
+configure_package_config_file(
+    ${PROJECT_SOURCE_DIR}/cmake/nwidget-config.cmake.in
+    ${PROJECT_BINARY_DIR}/nwidget-config.cmake
+    INSTALL_DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/nwidget/cmake
+)
+
+install(EXPORT nwidget-targets
+    FILE nwidget-targets.cmake
+    NAMESPACE nwidget::
+    DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/nwidget/cmake
+)
+
+install(FILES
+    ${PROJECT_BINARY_DIR}/nwidget-config.cmake
+    ${PROJECT_BINARY_DIR}/nwidget-config-version.cmake
+    DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/nwidget/cmake
+)
+
+install(DIRECTORY ${PROJECT_SOURCE_DIR}/include/nwidget DESTINATION include)

README.md

@@ -87,6 +87,20 @@ nw::asprintf("%d", slider1.value() + slider2.value())
 - Easy to maintain
 - Fun
 
+## Installing
+
+```shell
+mkdir build
+cd build
+cmake .. -DCMAKE_INSTALL_PREFIX:PATH=/installation/path
+cmake --build . --config Release --target install
+```
+
+```cmake
+find_package(nwidget CONFIG REQUIRED)
+target_link_libraries(main PRIVATE nwidget::nwidget)
+```
+
 ## Examples
 
 [NWidget Gallery](./examples/gallery) : [Widget Gallery](https://doc.qt.io/qt-6/qtwidgets-gallery-example.html) written with nwidget.

cmake/nwidget-config.cmake.in

@@ -0,0 +1,3 @@
+@PACKAGE_INIT@
+
+include("${CMAKE_CURRENT_LIST_DIR}/nwidget-targets.cmake")

doc/zh_cn/README.md

@@ -85,6 +85,20 @@ nw::asprintf("%d", slider1.value() + slider2.value())
 - 易于维护
 - 有趣
 
+## 安装
+
+```shell
+mkdir build
+cd build
+cmake .. -DCMAKE_INSTALL_PREFIX:PATH=/installation/path
+cmake --build . --config Release --target install
+```
+
+```cmake
+find_package(nwidget CONFIG REQUIRED)
+target_link_libraries(main PRIVATE nwidget::nwidget)
+```
+
 ## 示例
 
 [NWidget Gallery](../../examples/gallery)：用 nwidget 编写的 [Widget Gallery](https://doc.qt.io/qt-6/qtwidgets-gallery-example.html)