[vcpkg.json] Add allegro5 dep; [CMakeLists.txt] Add BUILD_DEMOS o…

…ption; [demo/CMakeLists.txt] `add_subdirectory` for each demo (comment out all but `allegro5` for now); [demo/allegro5/CMakeLists.txt] Begin implementing allegro5 demo

CMakeLists.txt

@@ -43,9 +43,13 @@ configure_file(
 #=============#
 
 option(BUILD_HEADER_ONLY "Header only variant" "ON")
+option(BUILD_DEMOS "Build demos" "ON")
 option(BUILD_EXAMPLES "Build examples" "ON")
 
 add_subdirectory("src")
+if (BUILD_DEMOS)
+    add_subdirectory("demo")
+endif (BUILD_DEMOS)
 if (BUILD_EXAMPLES)
     add_subdirectory("example")
 endif (BUILD_EXAMPLES)

demo/CMakeLists.txt

@@ -0,0 +1,29 @@
+set(demos
+        "allegro5"
+#        "common"
+#        "d3d11"
+#        "d3d12"
+#        "d3d9"
+#        "gdi"
+#        "gdip"
+#        "glfw_opengl2"
+#        "glfw_opengl3"
+#        "glfw_opengl4"
+#        "sdl2surface_rawfb"
+#        "sdl_opengl2"
+#        "sdl_opengl3"
+#        "sdl_opengles2"
+#        "sdl_renderer"
+#        "sfml_opengl2"
+#        "sfml_opengl3"
+#        "wayland_rawfb"
+#        "x11"
+#        "x11_opengl2"
+#        "x11_opengl3"
+#        "x11_rawfb"
+#        "x11_xft"
+        )
+
+foreach (demo ${demos})
+    add_subdirectory("${demo}")
+endforeach (demo ${demos})

demo/allegro5/CMakeLists.txt

@@ -0,0 +1,66 @@
+###################
+# KeyboardHandler #
+###################
+#get_filename_component(LIBRARY_NAME "${CMAKE_CURRENT_SOURCE_DIR}" NAME)
+#set(LIBRARY_NAME "${PROJECT_NAME}_demo_${LIBRARY_NAME}")
+#
+#set(Header_Files "KeyboardHandleriOS.h")
+#source_group("Header Files" FILES "${Header_Files}")
+#
+#set(Source_Files "KeyboardHandleriOS.m")
+#source_group("Source Files" FILES "${Source_Files}")
+#
+#add_library("${LIBRARY_NAME}" "${Header_Files}" "${Source_Files}")
+#include(GNUInstallDirs)
+#target_include_directories(
+#        "${LIBRARY_NAME}"
+#        PUBLIC
+#        "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
+#        "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
+#)
+#
+#target_link_libraries(
+#        "${LIBRARY_NAME}"
+#        PRIVATE
+#        "${PROJECT_NAME}_compiler_flags"
+#)
+#
+#set_target_properties("${LIBRARY_NAME}" PROPERTIES LINKER_LANGUAGE C)
+
+#################
+# allegro5 demo #
+#################
+
+get_filename_component(EXEC_NAME "${CMAKE_CURRENT_SOURCE_DIR}" NAME)
+set(EXEC_NAME "${PROJECT_NAME}_demo_${EXEC_NAME}")
+
+set(Header_Files "nuklear_allegro5.h")
+source_group("Header Files" FILES "${Header_Files}")
+
+set(Source_Files "main.c")
+source_group("Source Files" FILES "${Source_Files}")
+
+add_executable("${EXEC_NAME}" "${Header_Files}" "${Source_Files}")
+include(GNUInstallDirs)
+target_include_directories(
+        "${EXEC_NAME}"
+        PUBLIC
+        "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
+        "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
+)
+
+target_link_libraries(
+        "${EXEC_NAME}"
+        PRIVATE
+        "${PROJECT_NAME}_compiler_flags"
+)
+
+find_package(unofficial-allegro5 CONFIG REQUIRED)
+target_link_libraries(
+        "${EXEC_NAME}"
+        PRIVATE
+        "unofficial-allegro5::allegro"
+        "unofficial-allegro5::allegro_ttf"
+        "unofficial-allegro5::allegro_font"
+        "unofficial-allegro5::allegro_main"
+)

vcpkg.json

@@ -5,6 +5,7 @@
   "homepage": "https://github.com/Immediate-Mode-UI/Nuklear",
   "description": "Minimal state immediate mode graphical user interface toolkit written in ANSI C and licensed under public domain.",
   "dependencies": [
+    "allegro5",
     "glfw3",
     "glew"
   ]