Add CMake option to conditionally build examples

- Add WEBUI_BUILD_EXAMPLES option (default: ON)
- Improves integration when used as subproject via FetchContent

Author: kaniteru

CMakeLists.txt

@@ -92,25 +92,27 @@ install(EXPORT webui
 # Build examples 
 #//////////////////////////
 
-message(STATUS "Source directory is " ${CMAKE_SOURCE_DIR})
-message(STATUS "Build directory is " ${CMAKE_BINARY_DIR})
-
-include_directories(${CMAKE_SOURCE_DIR}/include)
-
-add_executable(minimal ${CMAKE_SOURCE_DIR}/examples/C++/minimal/main.cpp)
-add_executable(call_js_from_cpp ${CMAKE_SOURCE_DIR}/examples/C++/call_js_from_cpp/main.cpp)
-add_executable(call_js_from_c ${CMAKE_SOURCE_DIR}/examples/C/call_js_from_c/main.c)
-
-target_link_libraries(minimal webui)
-target_link_libraries(call_js_from_cpp webui)
-target_link_libraries(call_js_from_c webui)
-
-if (MSVC)
-  set_target_properties(minimal PROPERTIES LINK_FLAGS "/SubSystem:\"Windows\"" VS_DPI_AWARE "ON")
-  set_target_properties(call_js_from_cpp PROPERTIES LINK_FLAGS "/SubSystem:\"Windows\"" VS_DPI_AWARE "ON")
-  set_target_properties(call_js_from_c PROPERTIES LINK_FLAGS "/SubSystem:\"Windows\"" VS_DPI_AWARE "ON")
-endif()
-
-if (MSVC)
-  set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT call_js_from_cpp)
-endif()
+if (WEBUI_BUILD_EXAMPLES)
+    message(STATUS "WebUI Source directory is " ${CMAKE_CURRENT_SOURCE_DIR})
+    message(STATUS "WebUI Build directory is " ${CMAKE_BINARY_DIR})
+
+    include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
+
+    add_executable(minimal ${CMAKE_CURRENT_SOURCE_DIR}/examples/C++/minimal/main.cpp)
+    add_executable(call_js_from_cpp ${CMAKE_CURRENT_SOURCE_DIR}/examples/C++/call_js_from_cpp/main.cpp)
+    add_executable(call_js_from_c ${CMAKE_CURRENT_SOURCE_DIR}/examples/C/call_js_from_c/main.c)
+
+    target_link_libraries(minimal webui)
+    target_link_libraries(call_js_from_cpp webui)
+    target_link_libraries(call_js_from_c webui)
+
+    if (MSVC)
+        set_target_properties(minimal PROPERTIES LINK_FLAGS "/SubSystem:\"Windows\"" VS_DPI_AWARE "ON")
+        set_target_properties(call_js_from_cpp PROPERTIES LINK_FLAGS "/SubSystem:\"Windows\"" VS_DPI_AWARE "ON")
+        set_target_properties(call_js_from_c PROPERTIES LINK_FLAGS "/SubSystem:\"Windows\"" VS_DPI_AWARE "ON")
+    endif()
+
+    if (MSVC)
+        set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT call_js_from_cpp)
+    endif()
+endif()