cmake: Do not ship resource.rc on non WIN32 systems

Also add some very early macOS bundle definitions.

CMakeLists.txt

@@ -2,6 +2,10 @@ cmake_minimum_required(VERSION 3.16)
 
 project(imhex VERSION 1.5.0)
 
+if (APPLE)
+    option (CREATE_BUNDLE "Create a bundle on macOS" OFF)
+endif()
+
 set(CMAKE_FIND_PACKAGE_SORT_ORDER NATURAL)
 set(CMAKE_FIND_PACKAGE_SORT_DIRECTION DEC)
 set(CMAKE_CXX_STANDARD 20)
@@ -82,7 +86,29 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DGIT_BRANCH=\"\\\"${GIT_BRANCH}\"\\\"")
 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DRELEASE -DIMHEX_VERSION=\"\\\"${PROJECT_VERSION}\"\\\"")
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG -DIMHEX_VERSION=\"\\\"${PROJECT_VERSION}-Debug\"\\\"")
 
+set(install_dest RUNTIME)
+
+if (WIN32)
+    set(application_type WIN32)
+    set(imhex_icon resource.rc)
+elseif (APPLE)
+    set (imhex_icon "${PROJECT_SOURCE_DIR}/res/mac/AppIcon.icns")
+
+    if (CREATE_BUNDLE)
+        set(application_type MACOSX_BUNDLE)
+        set_source_files_properties(${imhex_icon} PROPERTIES MACOSX_PACKAGE_LOCATION Resources)
+        set(MACOSX_BUNDLE_ICON_FILE "AppIcon.icns")
+        set(MACOSX_BUNDLE_INFO_STRING ${CPACK_PACKAGE_VENDOR})
+        set(MACOSX_BUNDLE_GUI_IDENTIFIER "WerWolv.ImHex")
+        set(MACOSX_BUNDLE_LONG_VERSION_STRING ${CPACK_PACKAGE_VERSION})
+        set(MACOSX_BUNDLE_SHORT_VERSION_STRING "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}")
+        set(MACOSX_BUNDLE_COPYRIGHT "Copyright © 2020 WerWolv. All rights reserved." )
+        set(install_dest BUNDLE)
+    endif()
+endif()
+
 add_executable(imhex
+        ${application_type}
         source/main.cpp
         source/window.cpp
 
@@ -115,7 +141,7 @@ add_executable(imhex
         source/views/view_patches.cpp
         source/views/view_command_palette.cpp
 
-        resource.rc
+        ${imhex_icon}
         )
 
 set_target_properties(imhex PROPERTIES CXX_VISIBILITY_PRESET hidden)
@@ -128,4 +154,4 @@ elseif (UNIX)
     target_link_libraries(imhex magic crypto ${CMAKE_DL_LIBS} capstone LLVMDemangle imgui libimhex ${Python_LIBRARIES} nlohmann_json::nlohmann_json dl)
 endif()
 
-install(TARGETS imhex DESTINATION bin)
+install(TARGETS imhex ${install_dest} DESTINATION ${CMAKE_INSTALL_BINDIR})

resource.rc

@@ -1 +1 @@
-GLFW_ICON ICON icon.ico
+GLFW_ICON ICON res/icon.ico