Refactor input handling in Emulator and Controller for improved key event management

src/app/emu/emulator.cc

@@ -261,7 +261,101 @@ void Emulator::RenderNavBar() {
 
 void Emulator::HandleEvents() {
   // Handle user input events
-  // ...
+  if (ImGui::IsKeyPressed(keybindings_.a_button)) {
+    snes_.SetButtonState(1, 0, true);
+  }
+
+  if (ImGui::IsKeyPressed(keybindings_.b_button)) {
+    snes_.SetButtonState(1, 1, true);
+  }
+
+  if (ImGui::IsKeyPressed(keybindings_.select_button)) {
+    snes_.SetButtonState(1, 2, true);
+  }
+
+  if (ImGui::IsKeyPressed(keybindings_.start_button)) {
+    snes_.SetButtonState(1, 3, true);
+  }
+
+  if (ImGui::IsKeyPressed(keybindings_.up_button)) {
+    snes_.SetButtonState(1, 4, true);
+  }
+
+  if (ImGui::IsKeyPressed(keybindings_.down_button)) {
+    snes_.SetButtonState(1, 5, true);
+  }
+
+  if (ImGui::IsKeyPressed(keybindings_.left_button)) {
+    snes_.SetButtonState(1, 6, true);
+  }
+
+  if (ImGui::IsKeyPressed(keybindings_.right_button)) {
+    snes_.SetButtonState(1, 7, true);
+  }
+
+  if (ImGui::IsKeyPressed(keybindings_.x_button)) {
+    snes_.SetButtonState(1, 8, true);
+  }
+
+  if (ImGui::IsKeyPressed(keybindings_.y_button)) {
+    snes_.SetButtonState(1, 9, true);
+  }
+
+  if (ImGui::IsKeyPressed(keybindings_.l_button)) {
+    snes_.SetButtonState(1, 10, true);
+  }
+
+  if (ImGui::IsKeyPressed(keybindings_.r_button)) {
+    snes_.SetButtonState(1, 11, true);
+  }
+
+  if (ImGui::IsKeyReleased(keybindings_.a_button)) {
+    snes_.SetButtonState(1, 0, false);
+  }
+
+  if (ImGui::IsKeyReleased(keybindings_.b_button)) {
+    snes_.SetButtonState(1, 1, false);
+  }
+
+  if (ImGui::IsKeyReleased(keybindings_.select_button)) {
+    snes_.SetButtonState(1, 2, false);
+  }
+
+  if (ImGui::IsKeyReleased(keybindings_.start_button)) {
+    snes_.SetButtonState(1, 3, false);
+  }
+
+  if (ImGui::IsKeyReleased(keybindings_.up_button)) {
+    snes_.SetButtonState(1, 4, false);
+  }
+
+  if (ImGui::IsKeyReleased(keybindings_.down_button)) {
+    snes_.SetButtonState(1, 5, false);
+  }
+
+  if (ImGui::IsKeyReleased(keybindings_.left_button)) {
+    snes_.SetButtonState(1, 6, false);
+  }
+
+  if (ImGui::IsKeyReleased(keybindings_.right_button)) {
+    snes_.SetButtonState(1, 7, false);
+  }
+
+  if (ImGui::IsKeyReleased(keybindings_.x_button)) {
+    snes_.SetButtonState(1, 8, false);
+  }
+
+  if (ImGui::IsKeyReleased(keybindings_.y_button)) {
+    snes_.SetButtonState(1, 9, false);
+  }
+
+  if (ImGui::IsKeyReleased(keybindings_.l_button)) {
+    snes_.SetButtonState(1, 10, false);
+  }
+
+  if (ImGui::IsKeyReleased(keybindings_.r_button)) {
+    snes_.SetButtonState(1, 11, false);
+  }
 }
 
 void Emulator::RenderBreakpointList() {

src/app/emu/emulator.h

@@ -19,6 +19,21 @@ namespace app {
  */
 namespace emu {
 
+struct EmulatorKeybindings {
+  ImGuiKey a_button = ImGuiKey_Z;
+  ImGuiKey b_button = ImGuiKey_A;
+  ImGuiKey x_button = ImGuiKey_S;
+  ImGuiKey y_button = ImGuiKey_X;
+  ImGuiKey l_button = ImGuiKey_Q;
+  ImGuiKey r_button = ImGuiKey_W;
+  ImGuiKey start_button = ImGuiKey_RETURN;
+  ImGuiKey select_button = ImGuiKey_BACKSPACE;
+  ImGuiKey up_button = ImGuiKey_UP;
+  ImGuiKey down_button = ImGuiKey_DOWN;
+  ImGuiKey left_button = ImGuiKey_LEFT;
+  ImGuiKey right_button = ImGuiKey_RIGHT;
+};
+
 /**
  * @class Emulator
  * @brief A class for emulating and debugging SNES games.
@@ -145,6 +160,8 @@ class Emulator : public SharedRom {
 
   std::vector<uint8_t> rom_data_;
 
+  EmulatorKeybindings keybindings_;
+
   gui::zeml::Node emulator_node_;
 };