Add ftxui to z3ed cmake

src/cli/z3ed.cmake

@@ -1,6 +1,20 @@
+include(FetchContent)
+
+FetchContent_Declare(ftxui
+  GIT_REPOSITORY https://github.com/ArthurSonzogni/ftxui
+  GIT_TAG v5.0.0
+)
+
+FetchContent_GetProperties(ftxui)
+if(NOT ftxui_POPULATED)
+  FetchContent_Populate(ftxui)
+  add_subdirectory(${ftxui_SOURCE_DIR} ${ftxui_BINARY_DIR} EXCLUDE_FROM_ALL)
+endif()
+
 add_executable(
   z3ed
   cli/z3ed.cc
+  cli/tui.cc
   cli/handlers/compress.cc
   cli/handlers/patch.cc
   cli/handlers/tile16_transfer.cc
@@ -31,6 +45,9 @@ target_include_directories(
 target_link_libraries(
   z3ed PUBLIC
   asar-static
+  ftxui::component
+  ftxui::screen
+  ftxui::dom
   ${ABSL_TARGETS}
   ${SDL_TARGETS}
   ${PNG_LIBRARIES}
@@ -39,4 +56,4 @@ target_link_libraries(
   ${CMAKE_DL_LIBS}
   ImGuiTestEngine
   ImGui
-)
+)