rsx/overlays: Simplify attach-thread-input API

- Restructure the inputs to encourage shorter input signature.

rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu.cpp

@@ -170,19 +170,8 @@ namespace rsx
 			auto& overlayman = g_fxo->get<display_manager>();
 
 			overlayman.attach_thread_input(
-				uid,                         // Target
-				[](s32 error)               // What to do with the result
-				{
-					if (error && error != selection_code::canceled)
-					{
-						rsx_log.error("Home menu dialog input loop exited with error code=%d", error);
-					}
-				},
-				[&notify]()                  // What to do before starting the loop
-				{
-					*notify = true;
-					notify->notify_one();
-				}
+				uid,
+				[&notify]() { *notify = true; notify->notify_one(); }
 			);
 
 			if (g_cfg.misc.pause_during_home_menu)

rpcs3/Emu/RSX/Overlays/overlay_manager.cpp

@@ -11,6 +11,8 @@ namespace rsx
 			if (m_input_thread)
 			{
 				m_input_thread_abort.store(true);
+
+				*m_input_thread = thread_state::aborting;
 				while (*m_input_thread <= thread_state::aborting)
 				{
 					_mm_pause();
@@ -152,13 +154,18 @@ namespace rsx
 
 		void display_manager::attach_thread_input(
 			u32 uid,
+			std::function<void()> on_input_loop_enter,
 			std::function<void(s32)> on_input_loop_exit,
-			std::function<void()> on_input_loop_enter)
+			std::function<s32()> input_loop_override)
 		{
 			if (auto iface = std::dynamic_pointer_cast<user_interface>(get(uid)))
 			{
 				std::lock_guard lock(m_input_thread_lock);
-				m_input_token_stack.emplace_front(std::move(iface), on_input_loop_enter, on_input_loop_exit);
+				m_input_token_stack.emplace_front(
+					std::move(iface),
+					on_input_loop_enter,
+					on_input_loop_exit,
+					input_loop_override);
 			}
 		}
 
@@ -209,12 +216,24 @@ namespace rsx
 						input_context.input_loop_prologue();
 					}
 
-					const auto result = input_context.target->run_input_loop();
+					s32 result = 0;
+					if (!input_context.input_loop_override) [[ likely ]]
+					{
+						result = input_context.target->run_input_loop();
+					}
+					else
+					{
+						result = input_context.input_loop_override();
+					}
 
 					if (input_context.input_loop_epilogue)
 					{
 						input_context.input_loop_epilogue(result);
 					}
+					else if (result && result != user_interface::selection_code::canceled)
+					{
+						rsx_log.error("Input loop exited with error code=%d", result);
+					}
 				}
 				else
 				{

rpcs3/Emu/RSX/Overlays/overlay_manager.h

@@ -158,8 +158,9 @@ namespace rsx
 			// Enable input thread attach to the specified interface
 			void attach_thread_input(
 				u32 uid,                                                 // The input target
+				std::function<void()> on_input_loop_enter = nullptr,     // [optional] What to do before running the input routine
 				std::function<void(s32)> on_input_loop_exit = nullptr,   // [optional] What to do with the result if any
-				std::function<void()> on_input_loop_enter = nullptr);    // [optional] What to do before running the input routine
+				std::function<s32()> input_loop_override = nullptr);     // [optional] What to do during the input loop. By default calls user_interface::run_input_loop
 
 		private:
 			struct overlay_input_thread
@@ -172,6 +173,7 @@ namespace rsx
 				std::shared_ptr<user_interface> target;
 				std::function<void()> input_loop_prologue = nullptr;
 				std::function<void(s32)> input_loop_epilogue = nullptr;
+				std::function<s32()> input_loop_override = nullptr;
 			};
 
 			std::deque<input_thread_context_t> m_input_token_stack;

rpcs3/Emu/RSX/Overlays/overlay_message_dialog.cpp

@@ -303,23 +303,21 @@ namespace rsx
 					const auto notify = std::make_shared<atomic_t<bool>>(false);
 					auto& overlayman = g_fxo->get<display_manager>();
 
+					if (interactive)
+					{
 						overlayman.attach_thread_input(
 							uid,
-						[](s32 error)
-						{
-							if (error && error != selection_code::canceled)
-							{
-								rsx_log.error("Message dialog input loop exited with error code=%d", error);
-							}
-						},
-						[&notify]()
-						{
-							*notify = true;
-							notify->notify_one();
-						}
+							[&notify]() { *notify = true; notify->notify_one(); }
 						);
-
-#if 0
+					}
+					else
+					{
+						overlayman.attach_thread_input(
+							uid,
+							[&notify]() { *notify = true; notify->notify_one(); },
+							nullptr,
+							[&]()
+							{
 								while (!m_stop_input_loop && thread_ctrl::state() != thread_state::aborting)
 								{
 									refresh();
@@ -333,7 +331,11 @@ namespace rsx
 										break;
 									}
 								}
-#endif
+
+								return 0;
+							}
+						);
+					}
 
 					while (!Emu.IsStopped() && !*notify)
 					{

rpcs3/Emu/RSX/Overlays/overlay_osk.cpp

@@ -1630,18 +1630,7 @@ namespace rsx
 
 			overlayman.attach_thread_input(
 				uid,
-				[](s32 error)
-				{
-					if (error && error != selection_code::canceled)
-					{
-						rsx_log.error("Osk input loop exited with error code=%d", error);
-					}
-				},
-				[&notify]()
-				{
-					*notify = true;
-					notify->notify_one();
-				}
+				[&notify]() { *notify = true; notify->notify_one(); }
 			);
 
 			while (!Emu.IsStopped() && !*notify)

rpcs3/Emu/RSX/Overlays/overlay_user_list_dialog.cpp

@@ -249,18 +249,7 @@ namespace rsx
 
 			overlayman.attach_thread_input(
 				uid,
-				[](s32 error)
-				{
-					if (error && error != selection_code::canceled)
-					{
-						rsx_log.error("User list dialog input loop exited with error code=%d", error);
-					}
-				},
-				[&notify]()
-				{
-					*notify = true;
-					notify->notify_one();
-				}
+				[&notify]() { *notify = true; notify->notify_one(); }
 			);
 
 			while (!Emu.IsStopped() && !*notify)