feat: added information dialog and handle selection change

CMakeLists.txt

@@ -40,3 +40,35 @@ target_link_libraries(
     Qt5::Widgets
 )
 
+find_package(Git QUIET)
+
+set(GIT_BRANCH "unknown")
+set(GIT_COMMIT_HASH "unknown")
+
+if(GIT_FOUND)
+    execute_process(
+            COMMAND "${GIT_EXECUTABLE}" rev-parse --abbrev-ref HEAD
+            WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+            OUTPUT_VARIABLE GIT_BRANCH
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+            ERROR_QUIET
+    )
+
+    execute_process(
+            COMMAND "${GIT_EXECUTABLE}" rev-parse HEAD
+            WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+            OUTPUT_VARIABLE GIT_COMMIT_HASH
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+            ERROR_QUIET
+    )
+
+    if(GIT_BRANCH STREQUAL "HEAD")
+        set(GIT_BRANCH "detached")
+    endif()
+endif()
+
+target_compile_definitions(${PROJECT_NAME} PRIVATE
+        PROJECT_VERSION_STR=\"${PROJECT_NAME}\"
+        GIT_BRANCH_STR=\"${GIT_BRANCH}\"
+        GIT_COMMIT_HASH_STR=\"${GIT_COMMIT_HASH}\"
+)