cmake_minimum_required(VERSION 3.24)
set(PROJECT_NAME scwx-imgui)

find_package(QT NAMES Qt6
             COMPONENTS Gui
                        Widgets
             REQUIRED)
find_package(Qt${QT_VERSION_MAJOR}
             COMPONENTS Gui
                        Widgets
             REQUIRED)
             
find_package(Freetype)

set(IMGUI_SOURCES include/scwx/external/imgui/imconfig.h
                  imgui/imgui.cpp
                  imgui/imgui.h
                  imgui/imgui_demo.cpp
                  imgui/imgui_draw.cpp
                  imgui/imgui_internal.h
                  imgui/imgui_tables.cpp
                  imgui/imgui_widgets.cpp
                  imgui/imstb_rectpack.h
                  imgui/imstb_textedit.h
                  imgui/imstb_truetype.h
                  imgui/backends/imgui_impl_opengl3.cpp
                  imgui/backends/imgui_impl_opengl3.h
                  imgui/misc/freetype/imgui_freetype.cpp
                  imgui/misc/freetype/imgui_freetype.h
                  imgui-backend-qt/backends/imgui_impl_qt.cpp
                  imgui-backend-qt/backends/imgui_impl_qt.hpp)

add_library(imgui STATIC ${IMGUI_SOURCES})

target_include_directories(imgui PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/imgui)
target_include_directories(imgui PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include)

target_compile_definitions(imgui PUBLIC IMGUI_USER_CONFIG=<scwx/external/imgui/imconfig.h>)

target_link_libraries(imgui PRIVATE Qt${QT_VERSION_MAJOR}::Widgets
                                    Freetype::Freetype)

if (MSVC)
    # Produce PDB file for debug
    target_compile_options(imgui PRIVATE "$<$<CONFIG:Release>:/Zi>")
else()
    target_compile_options(imgui PRIVATE "$<$<CONFIG:Release>:-g>")
endif()

set(IMGUI_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/imgui
                       ${CMAKE_CURRENT_SOURCE_DIR}/imgui-backend-qt
    PARENT_SCOPE)

set_target_properties(imgui PROPERTIES FOLDER imgui)