feat: add C++ support with ImGui/ImPlot framework and vendor submodules

Añade soporte C++ al registry: vendor submodules (glfw, imgui, implot, tracy), sistema de build con CMake y toolchains cross-platform, runner C++ en fn CLI, parser de tests Google Test, y funciones bash para build Linux/Windows. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-06 23:46:36 +02:00
parent 0c759c1b66
commit 4b2bb6998a
36 changed files with 1065 additions and 0 deletions
@@ -0,0 +1,100 @@
+cmake_minimum_required(VERSION 3.16)
+project(fn_registry_cpp LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+# --- Options ---
+option(TRACY_ENABLE "Enable Tracy profiling" OFF)
+
+# --- Vendor: Dear ImGui ---
+set(IMGUI_DIR ${CMAKE_CURRENT_SOURCE_DIR}/vendor/imgui)
+add_library(imgui STATIC
+    ${IMGUI_DIR}/imgui.cpp
+    ${IMGUI_DIR}/imgui_draw.cpp
+    ${IMGUI_DIR}/imgui_tables.cpp
+    ${IMGUI_DIR}/imgui_widgets.cpp
+    ${IMGUI_DIR}/imgui_demo.cpp
+    ${IMGUI_DIR}/backends/imgui_impl_glfw.cpp
+    ${IMGUI_DIR}/backends/imgui_impl_opengl3.cpp
+)
+target_include_directories(imgui PUBLIC
+    ${IMGUI_DIR}
+    ${IMGUI_DIR}/backends
+)
+
+# --- Vendor: ImPlot ---
+set(IMPLOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/vendor/implot)
+add_library(implot STATIC
+    ${IMPLOT_DIR}/implot.cpp
+    ${IMPLOT_DIR}/implot_items.cpp
+)
+target_include_directories(implot PUBLIC ${IMPLOT_DIR})
+target_link_libraries(implot PUBLIC imgui)
+
+# --- Vendor: Tracy (optional) ---
+if(TRACY_ENABLE)
+    set(TRACY_DIR ${CMAKE_CURRENT_SOURCE_DIR}/vendor/tracy)
+    add_library(tracy STATIC
+        ${TRACY_DIR}/public/TracyClient.cpp
+    )
+    target_include_directories(tracy PUBLIC ${TRACY_DIR}/public)
+    target_compile_definitions(tracy PUBLIC TRACY_ENABLE)
+endif()
+
+# --- Platform dependencies ---
+if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
+    # Cross-compile: use vendored or system GLFW, link opengl32/gdi32
+    find_package(glfw3 QUIET)
+    if(NOT glfw3_FOUND)
+        # Build GLFW from source if available
+        if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/vendor/glfw/CMakeLists.txt)
+            set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
+            set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
+            set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
+            add_subdirectory(vendor/glfw)
+        else()
+            message(FATAL_ERROR "GLFW not found. For Windows cross-compile, add GLFW source to cpp/vendor/glfw/")
+        endif()
+    endif()
+    set(PLATFORM_LIBS glfw opengl32 gdi32 imm32)
+else()
+    # Linux native
+    find_package(glfw3 REQUIRED)
+    find_package(OpenGL REQUIRED)
+    set(PLATFORM_LIBS glfw OpenGL::GL ${CMAKE_DL_LIBS})
+endif()
+
+target_link_libraries(imgui PUBLIC ${PLATFORM_LIBS})
+
+# --- Framework ---
+add_library(fn_framework STATIC
+    framework/app_base.cpp
+)
+target_include_directories(fn_framework PUBLIC
+    ${CMAKE_CURRENT_SOURCE_DIR}/framework
+    ${CMAKE_CURRENT_SOURCE_DIR}/functions
+)
+target_link_libraries(fn_framework PUBLIC imgui implot)
+if(TRACY_ENABLE)
+    target_link_libraries(fn_framework PUBLIC tracy)
+endif()
+
+# --- Macro for creating ImGui apps ---
+function(add_imgui_app target)
+    add_executable(${target} ${ARGN})
+    target_link_libraries(${target} PRIVATE fn_framework)
+    target_include_directories(${target} PRIVATE
+        ${CMAKE_CURRENT_SOURCE_DIR}/functions
+    )
+endfunction()
+
+# --- Function libraries (headers for composition) ---
+# Functions are compiled as part of apps that use them via add_imgui_app.
+# Each function is a .h/.cpp pair included by the app's CMakeLists.txt.
+
+# --- Demo app ---
+if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/apps/chart_demo/CMakeLists.txt)
+    add_subdirectory(apps/chart_demo)
+endif()