Updated with native ui (imgui + qt)

2026-05-27 15:46:50 +02:00
parent 3dd0d863fa
commit cf174edde8
205 changed files with 157039 additions and 0 deletions
@@ -0,0 +1,133 @@
+cmake_minimum_required(VERSION 3.5)
+project(daq_viewer LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+# ─── Options ─────────────────────────────────────────────────────────
+option(DAQ_USE_SDL2    "Use SDL2 instead of GLFW" OFF)
+option(DAQ_OPENGL3     "Request OpenGL 3.2 core profile" OFF)
+option(DAQ_VENDOR_DEPS "Compile vendored third-party sources" ON)
+
+# ─── Platform detection ──────────────────────────────────────────────
+if(UNIX AND NOT APPLE)
+    find_package(Threads REQUIRED)
+    find_package(OpenGL REQUIRED)
+    set(DAQ_PLATFORM_LIBS ${CMAKE_THREAD_LIBS_INIT} ${CMAKE_DL_LIBS} ${OPENGL_LIBRARIES})
+    if(NOT DAQ_USE_SDL2)
+        find_package(X11 REQUIRED)
+        list(APPEND DAQ_PLATFORM_LIBS ${X11_LIBRARIES})
+    endif()
+endif()
+
+# ─── Third-party libraries ───────────────────────────────────────────
+
+set(IMGUI_DIR  "${CMAKE_SOURCE_DIR}/third_party/imgui")
+set(IMPLOT_DIR "${CMAKE_SOURCE_DIR}/third_party/implot")
+set(GLFW_DIR   "${CMAKE_SOURCE_DIR}/third_party/glfw")
+
+# --- Dear ImGui ---
+if(DAQ_VENDOR_DEPS AND EXISTS "${IMGUI_DIR}/imgui.cpp")
+    file(GLOB IMGUI_SOURCES
+        "${IMGUI_DIR}/*.cpp"
+        "${IMGUI_DIR}/backends/imgui_impl_glfw.cpp"
+        "${IMGUI_DIR}/backends/imgui_impl_opengl2.cpp"
+        "${IMGUI_DIR}/backends/imgui_impl_opengl3.cpp"
+    )
+    add_library(imgui STATIC ${IMGUI_SOURCES})
+    target_include_directories(imgui PUBLIC
+        "${IMGUI_DIR}"
+        "${IMGUI_DIR}/backends"
+    )
+    target_compile_definitions(imgui PUBLIC
+        IMGUI_DISABLE_OBSOLETE_FUNCTIONS=1
+    )
+    target_compile_definitions(imgui PRIVATE
+        $<$<BOOL:${DAQ_OPENGL3}>:IMGUI_IMPL_OPENGL_LOADER_GLAD>
+    )
+    set(IMGUI_TARGET imgui)
+else()
+    message(FATAL_ERROR
+        "ImGui sources not found at ${IMGUI_DIR}.\n"
+        "Clone https://github.com/ocornut/imgui into third_party/imgui\n"
+        "or set DAQ_VENDOR_DEPS=OFF and provide a system-installed ImGui.")
+endif()
+
+# --- ImPlot ---
+if(DAQ_VENDOR_DEPS AND EXISTS "${IMPLOT_DIR}/implot.cpp")
+    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_TARGET})
+    set(IMPLOT_TARGET implot)
+else()
+    message(FATAL_ERROR
+        "ImPlot sources not found at ${IMPLOT_DIR}.\n"
+        "Clone https://github.com/epezent/implot into third_party/implot")
+endif()
+
+# --- GLFW (or SDL2) ---
+if(NOT DAQ_USE_SDL2)
+    if(EXISTS "${GLFW_DIR}/src/glfw_config.h")
+        add_subdirectory("${GLFW_DIR}" glfw_build EXCLUDE_FROM_ALL)
+        set(GLFW_TARGET glfw)
+    else()
+        find_package(glfw3 QUIET)
+        if(NOT glfw3_FOUND)
+            message(FATAL_ERROR
+                "GLFW not found. Options:\n"
+                "  - Clone https://github.com/glfw/glfw into third_party/glfw\n"
+                "  - Install libglfw3-dev system package\n"
+                "  - Set DAQ_USE_SDL2=ON to use SDL2 instead")
+        endif()
+        set(GLFW_TARGET glfw)
+    endif()
+else()
+    find_package(SDL2 REQUIRED)
+    set(GLFW_TARGET ${SDL2_LIBRARIES})
+endif()
+
+# ─── Application sources ─────────────────────────────────────────────
+set(DAQ_SOURCES
+    src/main.cpp
+    src/config.cpp
+    src/protocol.cpp
+    src/decimator.cpp
+    src/trigger_engine.cpp
+    src/udp_client.cpp
+    src/source.cpp
+    src/renderer.cpp
+    # ring_buffer.h is header-only (template); .cpp has explicit instantiations
+    # kept for backward compatibility but not needed by the new code
+    src/ring_buffer.cpp
+)
+
+add_executable(daq_viewer ${DAQ_SOURCES})
+
+target_include_directories(daq_viewer PRIVATE src)
+
+target_link_libraries(daq_viewer PRIVATE
+    ${IMGUI_TARGET}
+    ${IMPLOT_TARGET}
+    ${GLFW_TARGET}
+    ${DAQ_PLATFORM_LIBS}
+)
+
+# GL version
+if(DAQ_OPENGL3)
+    target_compile_definitions(daq_viewer PRIVATE DAQ_OPENGL3)
+else()
+    target_compile_definitions(daq_viewer PRIVATE DAQ_OPENGL2)
+endif()
+
+# ─── Compiler flags ──────────────────────────────────────────────────
+if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
+    target_compile_options(daq_viewer PRIVATE -Wall -Wextra -Wpedantic)
+endif()
+
+# ─── Install ─────────────────────────────────────────────────────────
+install(TARGETS daq_viewer RUNTIME DESTINATION bin)
+install(FILES config/example.ini DESTINATION share/daq_viewer)