applet: controller: Implement cancel button

src/core/frontend/applets/controller.cpp

@@ -71,7 +71,7 @@ void DefaultControllerApplet::ReconfigureControllers(ReconfigureCallback callbac
         }
     }
 
-    callback();
+    callback(true);
 }
 
 } // namespace Core::Frontend

src/core/frontend/applets/controller.h

@@ -37,7 +37,7 @@ struct ControllerParameters {
 
 class ControllerApplet : public Applet {
 public:
-    using ReconfigureCallback = std::function<void()>;
+    using ReconfigureCallback = std::function<void(bool)>;
 
     virtual ~ControllerApplet();
 

src/core/hle/service/am/applets/applet_controller.cpp

@@ -224,7 +224,8 @@ void Controller::Execute() {
                   parameters.allow_dual_joycons, parameters.allow_left_joycon,
                   parameters.allow_right_joycon);
 
-        frontend.ReconfigureControllers([this] { ConfigurationComplete(); }, parameters);
+        frontend.ReconfigureControllers(
+            [this](bool is_success) { ConfigurationComplete(is_success); }, parameters);
         break;
     }
     case ControllerSupportMode::ShowControllerStrapGuide:
@@ -232,16 +233,16 @@ void Controller::Execute() {
     case ControllerSupportMode::ShowControllerKeyRemappingForSystem:
         UNIMPLEMENTED_MSG("ControllerSupportMode={} is not implemented",
                           controller_private_arg.mode);
-        ConfigurationComplete();
+        ConfigurationComplete(true);
         break;
     default: {
-        ConfigurationComplete();
+        ConfigurationComplete(true);
         break;
     }
     }
 }
 
-void Controller::ConfigurationComplete() {
+void Controller::ConfigurationComplete(bool is_success) {
     ControllerSupportResultInfo result_info{};
 
     // If enable_single_mode is enabled, player_count is 1 regardless of any other parameters.
@@ -250,7 +251,8 @@ void Controller::ConfigurationComplete() {
 
     result_info.selected_id = static_cast<u32>(system.HIDCore().GetFirstNpadId());
 
-    result_info.result = 0;
+    result_info.result =
+        is_success ? ControllerSupportResult::Success : ControllerSupportResult::Cancel;
 
     LOG_DEBUG(Service_HID, "Result Info: player_count={}, selected_id={}, result={}",
               result_info.player_count, result_info.selected_id, result_info.result);

src/core/hle/service/am/applets/applet_controller.h

@@ -48,6 +48,11 @@ enum class ControllerSupportCaller : u8 {
     MaxControllerSupportCaller,
 };
 
+enum class ControllerSupportResult : u32 {
+    Success = 0,
+    Cancel = 2,
+};
+
 struct ControllerSupportArgPrivate {
     u32 arg_private_size{};
     u32 arg_size{};
@@ -112,7 +117,7 @@ struct ControllerSupportResultInfo {
     s8 player_count{};
     INSERT_PADDING_BYTES(3);
     u32 selected_id{};
-    u32 result{};
+    ControllerSupportResult result{};
 };
 static_assert(sizeof(ControllerSupportResultInfo) == 0xC,
               "ControllerSupportResultInfo has incorrect size.");
@@ -131,7 +136,7 @@ public:
     void Execute() override;
     Result RequestExit() override;
 
-    void ConfigurationComplete();
+    void ConfigurationComplete(bool is_success);
 
 private:
     const Core::Frontend::ControllerApplet& frontend;