[feature] basic demo screen

1 files changed, 241 insertions, 18 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3669e77..0db7d1a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,30 +1,253 @@
 cmake_minimum_required(VERSION 3.15)
-project(boltdbg VERSION 0.1.0 LANGUAGES C CXX)
 
-# Load BoltDBG option definitions first
-list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
-include(BoltDbgOptions)
+# ============================================================================
+# Project Definition
+# ============================================================================
+project(BoltDBG
+    VERSION 0.1.0
+    DESCRIPTION "Modern C++ Debugger with GUI"
+    LANGUAGES C CXX
+)
+
+# ============================================================================
+# C++ Standard
+# ============================================================================
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
 
-# Some basic options
-set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED ON)
 
-# include helper modules
-include(compiler_warnings)
-include(Sanitizer)
-include(PlatformConfig)
-#include(CodeStyle)
+# Export compile commands for IDE support
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
-# src
-add_subdirectory(src)
+# Make builds more robust when mixing static/shared libs
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
+# ============================================================================
+# Options
+# ============================================================================
+option(BOLTDBG_BUILD_TESTS "Build test suite" OFF)
+option(BOLTDBG_BUILD_EXAMPLES "Build examples" OFF)
+option(BOLTDBG_USE_SYSTEM_LIBS "Prefer system libraries" ON)
+option(BOLTDBG_ENABLE_ASAN "Enable Address Sanitizer" OFF)
+option(BOLTDBG_ENABLE_UBSAN "Enable UB Sanitizer" OFF)
+option(BOLTDBG_ENABLE_TSAN "Enable Thread Sanitizer" OFF)
 
-# add optional format targets if enabled
-if (BOLTDBG_ENABLE_FORMAT_TARGET)
-    #add_clang_format_target(boltdbg)
+# ============================================================================
+# CMake Modules Path
+# ============================================================================
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+
+# Include compiler warnings if available
+if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/cmake/CompilerWarnings.cmake")
+    include(CompilerWarnings)
 endif()
 
-# Tests
-if (BOLTDBG_BUILD_TESTS)
+# Include sanitizers if available
+if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Sanitizers.cmake")
+    include(Sanitizers)
+endif()
+
+# ============================================================================
+# Basic packages
+# ============================================================================
+# Threads (pthread) is commonly required for libraries and linking
+find_package(Threads REQUIRED)
+
+# ============================================================================
+# Dependencies (FetchContent)
+# ============================================================================
+include(FetchContent)
+
+# --- GLFW ---
+if(BOLTDBG_USE_SYSTEM_LIBS)
+    find_package(glfw3 3.3 QUIET)
+endif()
+
+if(NOT TARGET glfw AND NOT TARGET glfw3::glfw3)
+    if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/external/glfw/CMakeLists.txt")
+        message(STATUS "Using vendored GLFW from external/glfw")
+        set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
+        set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
+        set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
+        set(GLFW_INSTALL OFF CACHE BOOL "" FORCE)
+        add_subdirectory(external/glfw)
+    else()
+        message(STATUS "Fetching GLFW via FetchContent")
+        FetchContent_Declare(
+            glfw
+            GIT_REPOSITORY https://github.com/glfw/glfw.git
+            GIT_TAG 3.3.8
+            GIT_SHALLOW TRUE
+        )
+        set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
+        set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
+        set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
+        FetchContent_MakeAvailable(glfw)
+    endif()
+endif()
+
+# Create alias if needed
+if(TARGET glfw3::glfw3 AND NOT TARGET glfw)
+    add_library(glfw ALIAS glfw3::glfw3)
+endif()
+
+# --- spdlog ---
+if(BOLTDBG_USE_SYSTEM_LIBS)
+    find_package(spdlog 1.11 QUIET)
+endif()
+
+if(NOT TARGET spdlog::spdlog)
+    if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/external/spdlog/CMakeLists.txt")
+        message(STATUS "Using vendored spdlog from external/spdlog")
+        add_subdirectory(external/spdlog)
+    else()
+        message(STATUS "Fetching spdlog via FetchContent")
+        FetchContent_Declare(
+            spdlog
+            GIT_REPOSITORY https://github.com/gabime/spdlog.git
+            GIT_TAG v1.11.0
+            GIT_SHALLOW TRUE
+        )
+        FetchContent_MakeAvailable(spdlog)
+    endif()
+endif()
+
+# --- ImGui ---
+if(NOT TARGET imgui)
+    if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/external/imgui/imgui.cpp")
+        message(STATUS "Using vendored ImGui from external/imgui")
+        set(IMGUI_DIR "${CMAKE_CURRENT_SOURCE_DIR}/external/imgui")
+    else()
+        message(STATUS "Fetching ImGui via FetchContent")
+        FetchContent_Declare(
+            imgui
+            GIT_REPOSITORY https://github.com/ocornut/imgui.git
+            GIT_TAG v1.89.8
+            GIT_SHALLOW TRUE
+        )
+        FetchContent_MakeAvailable(imgui)
+        set(IMGUI_DIR ${imgui_SOURCE_DIR})
+    endif()
+    
+    # Create ImGui library target
+    add_library(imgui STATIC
+        ${IMGUI_DIR}/imgui.cpp
+        ${IMGUI_DIR}/imgui_demo.cpp
+        ${IMGUI_DIR}/imgui_draw.cpp
+        ${IMGUI_DIR}/imgui_tables.cpp
+        ${IMGUI_DIR}/imgui_widgets.cpp
+        ${IMGUI_DIR}/backends/imgui_impl_glfw.cpp
+        ${IMGUI_DIR}/backends/imgui_impl_opengl3.cpp
+    )
+    target_include_directories(imgui PUBLIC
+        ${IMGUI_DIR}
+        ${IMGUI_DIR}/backends
+    )
+
+    # Link libraries imgui backend needs — glad/glfw/OpenGL/Threads
+    # Note: glad and platform libs may be created later; using PUBLIC allows consumers to pick them up.
+    # We'll append actual platform libs after platform-detection block below.
+endif()
+
+# --- GLAD ---
+if(NOT TARGET glad)
+    if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/external/glad/src/glad.c")
+        message(STATUS "Using vendored GLAD from external/glad")
+        set(GLAD_DIR "${CMAKE_CURRENT_SOURCE_DIR}/external/glad")
+        # Create GLAD library target manually
+        add_library(glad STATIC ${GLAD_DIR}/src/glad.c)
+        target_include_directories(glad PUBLIC ${GLAD_DIR}/include)
+    else()
+        message(STATUS "Fetching GLAD via FetchContent")
+        FetchContent_Declare(
+            glad
+            GIT_REPOSITORY https://github.com/Dav1dde/glad.git
+            GIT_TAG v0.1.36
+            GIT_SHALLOW TRUE
+        )
+        FetchContent_MakeAvailable(glad)
+        # GLAD's CMakeLists.txt typically creates the 'glad' target automatically.
+    endif()
+endif()
+
+# ============================================================================
+# Platform-specific OpenGL and platform libs
+# ============================================================================
+set(PLATFORM_LIBS "")
+if(APPLE)
+    find_library(COCOA_FRAMEWORK Cocoa REQUIRED)
+    find_library(IOKIT_FRAMEWORK IOKit REQUIRED)
+    find_library(COREVIDEO_FRAMEWORK CoreVideo REQUIRED)
+    find_library(OPENGL_FRAMEWORK OpenGL REQUIRED)
+    list(APPEND PLATFORM_LIBS ${COCOA_FRAMEWORK} ${IOKIT_FRAMEWORK} ${COREVIDEO_FRAMEWORK} ${OPENGL_FRAMEWORK})
+elseif(WIN32)
+    list(APPEND PLATFORM_LIBS opengl32)
+else()
+    # Unix/Linux
+    find_package(OpenGL REQUIRED)
+    list(APPEND PLATFORM_LIBS OpenGL::GL ${CMAKE_DL_LIBS})
+    if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+        list(APPEND PLATFORM_LIBS pthread)
+    endif()
+endif()
+
+# Now that PLATFORM_LIBS and glad exist, make sure imgui links them
+if(TARGET imgui)
+    # link what we have: glfw, glad, platform libs, threads
+    # Use PRIVATE here because imgui's public headers don't require these symbols, but keep PUBLIC if consumers need transitive link.
+    # Use PUBLIC to be safe for consumers (exe targets).
+    target_link_libraries(imgui PUBLIC glfw)
+    if(TARGET glad)
+        target_link_libraries(imgui PUBLIC glad)
+    endif()
+    # PLATFORM_LIBS may contain import targets or plain names; link them too
+    if(PLATFORM_LIBS)
+        target_link_libraries(imgui PUBLIC ${PLATFORM_LIBS})
+    endif()
+    # Threads
+    target_link_libraries(imgui PUBLIC Threads::Threads)
+endif()
+
+# ============================================================================
+# Subdirectories
+# ============================================================================
+# Add src (this file should contain project targets like executable/library)
+add_subdirectory(src)
+
+# Tests and examples
+if(BOLTDBG_BUILD_TESTS AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/tests/CMakeLists.txt")
     enable_testing()
     add_subdirectory(tests)
 endif()
+
+if(BOLTDBG_BUILD_EXAMPLES AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/examples/CMakeLists.txt")
+    add_subdirectory(examples)
+endif()
+
+# ============================================================================
+# Sanitizers flags summary (if your included Sanitizers.cmake sets flags, keep it)
+# (Sanitizers.cmake is optional and included at top if exists)
+# ============================================================================
+
+# ============================================================================
+# Summary
+# ============================================================================
+message(STATUS "")
+message(STATUS "========================================")
+message(STATUS "  BoltDBG ${PROJECT_VERSION}")
+message(STATUS "========================================")
+message(STATUS "Build type:       ${CMAKE_BUILD_TYPE}")
+message(STATUS "C++ compiler:     ${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION}")
+message(STATUS "")
+message(STATUS "Options:")
+message(STATUS "  Build tests:    ${BOLTDBG_BUILD_TESTS}")
+message(STATUS "  Build examples: ${BOLTDBG_BUILD_EXAMPLES}")
+message(STATUS "  System libs:    ${BOLTDBG_USE_SYSTEM_LIBS}")
+message(STATUS "  ASAN:           ${BOLTDBG_ENABLE_ASAN}")
+message(STATUS "  UBSAN:          ${BOLTDBG_ENABLE_UBSAN}")
+message(STATUS "  TSAN:           ${BOLTDBG_ENABLE_TSAN}")
+message(STATUS "========================================")
+message(STATUS "")