add imgui input experiment flag

src/app/core/common.h

@@ -12,9 +12,19 @@ namespace core {
 class ExperimentFlags {
  public:
   struct Flags {
+    // Load and render overworld sprites to the screen. Unstable.
     bool kDrawOverworldSprites = false;
+
+    // Bitmap manager abstraction to manage graphics bin of ROM.
     bool kUseBitmapManager = true;
+
+    // Log instructions to the GUI debugger.
     bool kLogInstructions = true;
+
+    // Flag to enable ImGui input config flags. Currently is
+    // handled manually by controller class but should be
+    // ported away from that eventually.
+    bool kUseNewImGuiInput = false;
   };
 
   ExperimentFlags() = default;

src/app/core/controller.cc

@@ -208,15 +208,21 @@ absl::Status Controller::CreateRenderer() {
 }
 
 absl::Status Controller::CreateGuiContext() const {
+  IMGUI_CHECKVERSION();
   ImGui::CreateContext();
 
+  ImGuiIO &io = ImGui::GetIO();
+  if (flags()->kUseNewImGuiInput) {
+    io.ConfigFlags |=
+        ImGuiConfigFlags_NavEnableKeyboard;  // Enable Keyboard Controls
+    io.ConfigFlags |=
+        ImGuiConfigFlags_NavEnableGamepad;  // Enable Gamepad Controls
+  }
+
   // Initialize ImGui for SDL
   ImGui_ImplSDL2_InitForSDLRenderer(window_.get(), renderer_.get());
   ImGui_ImplSDLRenderer2_Init(renderer_.get());
 
-  // Load available fonts
-  const ImGuiIO &io = ImGui::GetIO();
-
   // Define constants
   static const char *KARLA_REGULAR = "assets/font/Karla-Regular.ttf";
   static const char *ROBOTO_MEDIUM = "assets/font/Roboto-Medium.ttf";

src/app/core/controller.h

@@ -10,6 +10,7 @@
 #include <memory>
 
 #include "absl/status/status.h"
+#include "app/core/common.h"
 #include "app/editor/master_editor.h"
 #include "app/gui/icons.h"
 #include "app/gui/style.h"
@@ -20,7 +21,7 @@ namespace yaze {
 namespace app {
 namespace core {
 
-class Controller {
+class Controller : public ExperimentFlags {
  public:
   bool IsActive() const;
   absl::Status OnEntry();