From e064380a7db49ceda2bf9fe0addba78d25157d6d Mon Sep 17 00:00:00 2001
From: Megamouse <studienricky89@googlemail.com>
Date: Sat, 21 Jan 2023 00:53:49 +0100
Subject: [PATCH] overlays: add message box to home menu

---
 .../HomeMenu/overlay_home_menu_components.h   |   8 ++
 .../HomeMenu/overlay_home_menu_main_menu.cpp  |   3 +
 .../overlay_home_menu_message_box.cpp         | 108 ++++++++++++++++
 .../HomeMenu/overlay_home_menu_message_box.h  |  28 +++++
 .../HomeMenu/overlay_home_menu_page.cpp       | 115 +++++++++++++++++-
 .../HomeMenu/overlay_home_menu_page.h         |  16 +--
 .../HomeMenu/overlay_home_menu_settings.h     |   5 +
 rpcs3/Emu/System.cpp                          |  45 +++++++
 rpcs3/Emu/System.h                            |   3 +
 rpcs3/Emu/localized_string_id.h               |   4 +
 rpcs3/Emu/system_config.cpp                   |   1 +
 rpcs3/Emu/system_config.h                     |   1 +
 rpcs3/emucore.vcxproj                         |   2 +
 rpcs3/emucore.vcxproj.filters                 |   6 +
 rpcs3/main_application.cpp                    |   8 ++
 rpcs3/rpcs3qt/emu_settings.cpp                |  34 +-----
 rpcs3/rpcs3qt/localized_emu.h                 |   4 +
 17 files changed, 347 insertions(+), 44 deletions(-)
 create mode 100644 rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_message_box.cpp
 create mode 100644 rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_message_box.h

diff --git a/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_components.h b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_components.h
index c7336d3bad..ac6a991552 100644
--- a/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_components.h
+++ b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_components.h
@@ -12,6 +12,14 @@ namespace rsx
 		static constexpr u16 available_side_width = (overlay::virtual_width - 6 * menu_entry_margin) / 2;
 		static constexpr u16 element_height = 25;
 
+		enum class page_navigation
+		{
+			stay,
+			back,
+			next,
+			exit
+		};
+
 		struct home_menu_entry : horizontal_layout
 		{
 		public:
diff --git a/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_main_menu.cpp b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_main_menu.cpp
index 797bdaaea2..78407b5bc0 100644
--- a/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_main_menu.cpp
+++ b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_main_menu.cpp
@@ -15,6 +15,9 @@ namespace rsx
 		{
 			is_current_page = true;
 
+			m_message_box = std::make_shared<home_menu_message_box>(x, y, width, height);
+			m_config_changed = std::make_shared<bool>(g_backup_cfg.to_string() != g_cfg.to_string());
+
 			std::unique_ptr<overlay_element> resume = std::make_unique<home_menu_entry>(get_localized_string(localized_string_id::HOME_MENU_RESUME));
 			add_item(resume, [](pad_button btn) -> page_navigation
 			{
diff --git a/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_message_box.cpp b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_message_box.cpp
new file mode 100644
index 0000000000..c840015618
--- /dev/null
+++ b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_message_box.cpp
@@ -0,0 +1,108 @@
+#include "stdafx.h"
+#include "overlay_home_menu_message_box.h"
+#include "Emu/System.h"
+#include "Emu/system_config.h"
+
+namespace rsx
+{
+	namespace overlays
+	{
+		home_menu_message_box::home_menu_message_box(u16 x, u16 y, u16 width, u16 height)
+			: overlay_element()
+		{
+			back_color = {0.15f, 0.15f, 0.15f, 0.95f};
+
+			set_size(width, height);
+			set_pos(x, y);
+
+			m_label = std::make_unique<label>();
+			m_label->align_text(text_align::center);
+			m_label->set_font("Arial", 16);
+			m_label->back_color.a = 0.0f;
+
+			m_accept_btn = std::make_unique<image_button>(120, 20);
+			m_cancel_btn = std::make_unique<image_button>(120, 20);
+
+			m_accept_btn->set_size(120, 30);
+			m_cancel_btn->set_size(120, 30);
+
+			if (g_cfg.sys.enter_button_assignment == enter_button_assign::circle)
+			{
+				m_accept_btn->set_image_resource(resource_config::standard_image_resource::circle);
+				m_cancel_btn->set_image_resource(resource_config::standard_image_resource::cross);
+			}
+			else
+			{
+				m_accept_btn->set_image_resource(resource_config::standard_image_resource::cross);
+				m_cancel_btn->set_image_resource(resource_config::standard_image_resource::circle);
+			}
+
+			m_accept_btn->set_pos(x + 30, y + height + 20);
+			m_cancel_btn->set_pos(x + 180, y + height + 20);
+
+			m_accept_btn->set_text(localized_string_id::RSX_OVERLAYS_LIST_SELECT);
+			m_cancel_btn->set_text(localized_string_id::RSX_OVERLAYS_LIST_CANCEL);
+
+			m_accept_btn->set_font("Arial", 16);
+			m_cancel_btn->set_font("Arial", 16);
+		}
+
+		compiled_resource& home_menu_message_box::get_compiled()
+		{
+			if (!is_compiled)
+			{
+				compiled_resource& compiled = overlay_element::get_compiled();
+				compiled.add(m_label->get_compiled());
+				compiled.add(m_cancel_btn->get_compiled());
+				compiled.add(m_accept_btn->get_compiled());
+			}
+			return compiled_resources;
+		}
+
+		void home_menu_message_box::show(const std::string& text, std::function<void()> on_accept, std::function<void()> on_cancel)
+		{
+			m_on_accept = std::move(on_accept);
+			m_on_cancel = std::move(on_cancel);
+			m_label->set_text(text);
+			m_label->auto_resize();
+			m_label->set_pos(x + (w - m_label->w) / 2, y + (h - m_label->h) / 2);
+			m_visible = true;
+			refresh();
+		}
+
+		void home_menu_message_box::hide()
+		{
+			m_visible = false;
+			refresh();
+		}
+
+		page_navigation home_menu_message_box::handle_button_press(pad_button button_press)
+		{
+			switch (button_press)
+			{
+			case pad_button::cross:
+			{
+				Emu.GetCallbacks().play_sound(fs::get_config_dir() + "sounds/snd_decide.wav");
+				if (m_on_accept)
+				{
+					m_on_accept();
+				}
+				return page_navigation::next;
+			}
+			case pad_button::circle:
+			{
+				Emu.GetCallbacks().play_sound(fs::get_config_dir() + "sounds/snd_cancel.wav");
+				if (m_on_cancel)
+				{
+					m_on_cancel();
+				}
+				return page_navigation::back;
+			}
+			default:
+			{
+				return page_navigation::stay;
+			}
+			}
+		}
+	}
+}
diff --git a/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_message_box.h b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_message_box.h
new file mode 100644
index 0000000000..938e80aaef
--- /dev/null
+++ b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_message_box.h
@@ -0,0 +1,28 @@
+#pragma once
+
+#include "overlay_home_menu_components.h"
+
+namespace rsx
+{
+	namespace overlays
+	{
+		struct home_menu_message_box : public overlay_element
+		{
+		public:
+			home_menu_message_box(u16 x, u16 y, u16 width, u16 height);
+			compiled_resource& get_compiled() override;
+			void show(const std::string& text, std::function<void()> on_accept = nullptr, std::function<void()> on_cancel = nullptr);
+			void hide();
+			page_navigation handle_button_press(pad_button button_press);
+			bool visible() const { return m_visible; }
+
+		private:
+			bool m_visible = false;
+			std::unique_ptr<label> m_label;
+			std::unique_ptr<image_button> m_cancel_btn;
+			std::unique_ptr<image_button> m_accept_btn;
+			std::function<void()> m_on_accept;
+			std::function<void()> m_on_cancel;
+		};
+	}
+}
diff --git a/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_page.cpp b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_page.cpp
index 286070a38c..fa40c5b9a6 100644
--- a/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_page.cpp
+++ b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_page.cpp
@@ -1,6 +1,7 @@
 #include "stdafx.h"
 #include "overlay_home_menu_page.h"
 #include "Emu/System.h"
+#include "Emu/system_config.h"
 
 namespace rsx
 {
@@ -11,6 +12,30 @@ namespace rsx
 			, title(title)
 			, parent(parent)
 		{
+			if (parent)
+			{
+				m_message_box = parent->m_message_box;
+				m_config_changed = parent->m_config_changed;
+			}
+
+			m_save_btn = std::make_unique<image_button>(120, 20);
+			m_discard_btn = std::make_unique<image_button>(120, 20);
+
+			m_save_btn->set_size(120, 30);
+			m_discard_btn->set_size(120, 30);
+
+			m_save_btn->set_image_resource(resource_config::standard_image_resource::square);
+			m_discard_btn->set_image_resource(resource_config::standard_image_resource::triangle);
+
+			m_save_btn->set_pos(width - 2 * (30 + 120), height + 20);
+			m_discard_btn->set_pos(width - (30 + 120), height + 20);
+
+			m_save_btn->set_text(localized_string_id::HOME_MENU_SETTINGS_SAVE_BUTTON);
+			m_discard_btn->set_text(localized_string_id::HOME_MENU_SETTINGS_DISCARD_BUTTON);
+
+			m_save_btn->set_font("Arial", 16);
+			m_discard_btn->set_font("Arial", 16);
+
 			set_pos(x, y);
 		}
 
@@ -96,8 +121,29 @@ namespace rsx
 			}
 		}
 
+		void home_menu_page::show_dialog(const std::string& text, std::function<void()> on_accept, std::function<void()> on_cancel)
+		{
+			if (m_message_box && !m_message_box->visible())
+			{
+				rsx_log.notice("home_menu_page::show_dialog: page='%s', text='%s'", title, text);
+				m_message_box->show(text, std::move(on_accept), std::move(on_cancel));
+				refresh();
+			}
+		}
+
 		page_navigation home_menu_page::handle_button_press(pad_button button_press)
 		{
+			if (m_message_box && m_message_box->visible())
+			{
+				const page_navigation navigation = m_message_box->handle_button_press(button_press);
+				if (navigation != page_navigation::stay)
+				{
+					m_message_box->hide();
+					refresh();
+				}
+				return navigation;
+			}
+
 			if (home_menu_page* page = get_current_page(false))
 			{
 				return page->handle_button_press(button_press);
@@ -131,6 +177,41 @@ namespace rsx
 				}
 				return page_navigation::exit;
 			}
+			case pad_button::triangle:
+			{
+				if (m_config_changed && *m_config_changed)
+				{
+					show_dialog(get_localized_string(localized_string_id::HOME_MENU_SETTINGS_DISCARD), [this]()
+					{
+						rsx_log.notice("home_menu_page: discarding settings...");
+
+						if (m_config_changed && *m_config_changed)
+						{
+							g_cfg.from_string(g_backup_cfg.to_string());
+							Emu.GetCallbacks().update_emu_settings();
+							*m_config_changed = false;
+						}
+					});
+				}
+				break;
+			}
+			case pad_button::square:
+			{
+				if (m_config_changed && *m_config_changed)
+				{
+					show_dialog(get_localized_string(localized_string_id::HOME_MENU_SETTINGS_SAVE), [this]()
+					{
+						rsx_log.notice("home_menu_page: saving settings...");
+						Emu.GetCallbacks().save_emu_settings();
+
+						if (m_config_changed)
+						{
+							*m_config_changed = false;
+						}
+					});
+				}
+				break;
+			}
 			case pad_button::dpad_up:
 			case pad_button::ls_up:
 			{
@@ -164,14 +245,42 @@ namespace rsx
 			return page_navigation::stay;
 		}
 
+		void home_menu_page::translate(s16 _x, s16 _y)
+		{
+			list_view::translate(_x, _y);
+			m_save_btn->translate(_x, _y);
+			m_discard_btn->translate(_x, _y);
+		}
+
 		compiled_resource& home_menu_page::get_compiled()
 		{
-			if (home_menu_page* page = get_current_page(false))
+			if (!is_compiled || (m_message_box && !m_message_box->is_compiled))
 			{
-				return page->get_compiled();
+				is_compiled = false;
+
+				if (home_menu_page* page = get_current_page(false))
+				{
+					compiled_resources = page->get_compiled();
+				}
+				else
+				{
+					compiled_resources = list_view::get_compiled();
+
+					if (m_message_box && m_message_box->visible())
+					{
+						compiled_resources.add(m_message_box->get_compiled());
+					}
+					else if (m_config_changed && *m_config_changed)
+					{
+						compiled_resources.add(m_save_btn->get_compiled());
+						compiled_resources.add(m_discard_btn->get_compiled());
+					}
+				}
+
+				is_compiled = true;
 			}
 
-			return list_view::get_compiled();
+			return compiled_resources;
 		}
 	}
 }
diff --git a/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_page.h b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_page.h
index 77effa4a2a..ab7c0fb1fc 100644
--- a/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_page.h
+++ b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_page.h
@@ -3,19 +3,12 @@
 #include "Emu/RSX/Overlays/overlays.h"
 #include "Emu/RSX/Overlays/overlay_list_view.hpp"
 #include "Emu/RSX/Overlays/HomeMenu/overlay_home_menu_components.h"
+#include "Emu/RSX/Overlays/HomeMenu/overlay_home_menu_message_box.h"
 
 namespace rsx
 {
 	namespace overlays
 	{
-		enum class page_navigation
-		{
-			stay,
-			back,
-			next,
-			exit
-		};
-
 		struct home_menu_page : public list_view
 		{
 		public:
@@ -25,20 +18,27 @@ namespace rsx
 			home_menu_page* get_current_page(bool include_this);
 			page_navigation handle_button_press(pad_button button_press);
 
+			void translate(s16 _x, s16 _y) override;
 			compiled_resource& get_compiled() override;
 
 			bool is_current_page = false;
 			home_menu_page* parent = nullptr;
 			std::string title;
 
+			std::shared_ptr<home_menu_message_box> m_message_box;
+			std::shared_ptr<bool> m_config_changed;
+
 		protected:
 			void add_page(std::shared_ptr<home_menu_page> page);
 			void add_item(std::unique_ptr<overlay_element>& element, std::function<page_navigation(pad_button)> callback);
 			void apply_layout(bool center_vertically = true);
+			void show_dialog(const std::string& text, std::function<void()> on_accept = nullptr, std::function<void()> on_cancel = nullptr);
 
 			std::vector<std::shared_ptr<home_menu_page>> m_pages;
 
 		private:
+			std::unique_ptr<image_button> m_save_btn;
+			std::unique_ptr<image_button> m_discard_btn;
 			std::vector<std::unique_ptr<overlay_element>> m_entries;
 			std::vector<std::function<page_navigation(pad_button)>> m_callbacks;
 		};
diff --git a/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_settings.h b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_settings.h
index e2562e51c6..85779c23a2 100644
--- a/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_settings.h
+++ b/rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_settings.h
@@ -36,6 +36,7 @@ namespace rsx
 						rsx_log.notice("User toggled '%s' in '%s'. Setting '%s' to %d", text, title, setting->get_name(), value);
 						setting->set(value);
 						Emu.GetCallbacks().update_emu_settings();
+						if (m_config_changed) *m_config_changed = true;
 						refresh();
 					}
 
@@ -78,6 +79,7 @@ namespace rsx
 							rsx_log.error("Can't toggle '%s' in '%s'. Setting '%s' to '%s' failed", text, title, setting->get_name(), next_value);
 						}
 						Emu.GetCallbacks().update_emu_settings();
+						if (m_config_changed) *m_config_changed = true;
 						refresh();
 					}
 
@@ -115,6 +117,7 @@ namespace rsx
 							rsx_log.notice("User toggled '%s' in '%s'. Setting '%s' to %d", text, title, setting->get_name(), value);
 							setting->set(value);
 							Emu.GetCallbacks().update_emu_settings();
+							if (m_config_changed) *m_config_changed = true;
 							refresh();
 						}
 					}
@@ -153,6 +156,7 @@ namespace rsx
 							rsx_log.notice("User toggled '%s' in '%s'. Setting '%s' to %d", text, title, setting->get_name(), value);
 							setting->set(value);
 							Emu.GetCallbacks().update_emu_settings();
+							if (m_config_changed) *m_config_changed = true;
 							refresh();
 						}
 					}
@@ -191,6 +195,7 @@ namespace rsx
 							rsx_log.notice("User toggled '%s' in '%s'. Setting '%s' to %.2f", text, title, setting->get_name(), value);
 							setting->set(value);
 							Emu.GetCallbacks().update_emu_settings();
+							if (m_config_changed) *m_config_changed = true;
 							refresh();
 						}
 					}
diff --git a/rpcs3/Emu/System.cpp b/rpcs3/Emu/System.cpp
index c8b8f2fee8..9344fc1288 100644
--- a/rpcs3/Emu/System.cpp
+++ b/rpcs3/Emu/System.cpp
@@ -368,6 +368,9 @@ void Emulator::Init(bool add_only)
 	// Disable incompatible settings
 	fixup_ppu_settings();
 
+	// Backup config
+	g_backup_cfg.from_string(g_cfg.to_string());
+
 	// Create directories (can be disabled if necessary)
 	auto make_path_verbose = [&](const std::string& path, bool must_exist_outside_emu_dir)
 	{
@@ -1270,6 +1273,9 @@ game_boot_result Emulator::Load(const std::string& title_id, bool add_only, bool
 			{
 				g_cfg.audio.provider.set(audio_provider::cell_audio);
 			}
+
+			// Backup config
+			g_backup_cfg.from_string(g_cfg.to_string());
 		}
 
 		// Set RTM usage
@@ -3318,4 +3324,43 @@ bool Emulator::IsVsh()
 	return g_ps3_process_info.get_cellos_appname() == "vsh.self"sv;
 }
 
+void Emulator::SaveSettings(const std::string& settings, const std::string& title_id)
+{
+	std::string config_name;
+
+	if (title_id.empty())
+	{
+		config_name = fs::get_config_dir() + "/config.yml";
+	}
+	else
+	{
+		config_name = rpcs3::utils::get_custom_config_path(title_id);
+	}
+
+	// Save config atomically
+	fs::pending_file temp(config_name);
+	temp.file.write(settings.c_str(), settings.size());
+	if (!temp.commit())
+	{
+		sys_log.error("Could not save config to %s (error=%s)", config_name, fs::g_tls_error);
+	}
+
+	// Check if the running config/title is the same as the edited config/title.
+	if (config_name == g_cfg.name || title_id == Emu.GetTitleID())
+	{
+		// Update current config
+		if (!g_cfg.from_string({settings.c_str(), settings.size()}, !Emu.IsStopped()))
+		{
+			sys_log.fatal("Failed to update configuration");
+		}
+		else if (!Emu.IsStopped()) // Don't spam the log while emulation is stopped. The config will be logged on boot anyway.
+		{
+			sys_log.notice("Updated configuration:\n%s\n", g_cfg.to_string());
+		}
+	}
+
+	// Backup config
+	g_backup_cfg.from_string(g_cfg.to_string());
+}
+
 Emulator Emu;
diff --git a/rpcs3/Emu/System.h b/rpcs3/Emu/System.h
index 4c23035bf7..17c6af19e2 100644
--- a/rpcs3/Emu/System.h
+++ b/rpcs3/Emu/System.h
@@ -82,6 +82,7 @@ struct EmuCallbacks
 	std::function<void()> init_mouse_handler;
 	std::function<void(std::string_view title_id)> init_pad_handler;
 	std::function<void()> update_emu_settings;
+	std::function<void()> save_emu_settings;
 	std::function<std::unique_ptr<class GSFrameBase>()> get_gs_frame;
 	std::function<std::shared_ptr<class camera_handler_base>()> get_camera_handler;
 	std::function<std::shared_ptr<class music_handler_base>()> get_music_handler;
@@ -343,6 +344,8 @@ public:
 	friend void init_fxo_for_exec(utils::serial*, bool);
 
 	static bool IsVsh();
+
+	static void SaveSettings(const std::string& settings, const std::string& title_id);
 };
 
 extern Emulator Emu;
diff --git a/rpcs3/Emu/localized_string_id.h b/rpcs3/Emu/localized_string_id.h
index 92a57a7d43..0caf3b0928 100644
--- a/rpcs3/Emu/localized_string_id.h
+++ b/rpcs3/Emu/localized_string_id.h
@@ -154,6 +154,10 @@ enum class localized_string_id
 	HOME_MENU_EXIT_GAME,
 	HOME_MENU_RESUME,
 	HOME_MENU_SETTINGS,
+	HOME_MENU_SETTINGS_SAVE,
+	HOME_MENU_SETTINGS_SAVE_BUTTON,
+	HOME_MENU_SETTINGS_DISCARD,
+	HOME_MENU_SETTINGS_DISCARD_BUTTON,
 	HOME_MENU_SETTINGS_AUDIO,
 	HOME_MENU_SETTINGS_VIDEO,
 	HOME_MENU_SETTINGS_INPUT,
diff --git a/rpcs3/Emu/system_config.cpp b/rpcs3/Emu/system_config.cpp
index 948fd22f50..dea815b167 100644
--- a/rpcs3/Emu/system_config.cpp
+++ b/rpcs3/Emu/system_config.cpp
@@ -4,6 +4,7 @@
 #include "util/sysinfo.hpp"
 
 cfg_root g_cfg{};
+cfg_root g_backup_cfg{};
 
 bool cfg_root::node_core::enable_tsx_by_default()
 {
diff --git a/rpcs3/Emu/system_config.h b/rpcs3/Emu/system_config.h
index ce30858cb7..6ddf718559 100644
--- a/rpcs3/Emu/system_config.h
+++ b/rpcs3/Emu/system_config.h
@@ -336,3 +336,4 @@ struct cfg_root : cfg::node
 };
 
 extern cfg_root g_cfg;
+extern cfg_root g_backup_cfg;
diff --git a/rpcs3/emucore.vcxproj b/rpcs3/emucore.vcxproj
index 3c8c101903..6ca290d2be 100644
--- a/rpcs3/emucore.vcxproj
+++ b/rpcs3/emucore.vcxproj
@@ -86,6 +86,7 @@
     <ClCompile Include="Emu\RSX\Common\texture_cache.cpp" />
     <ClCompile Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu.cpp" />
     <ClCompile Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu_components.cpp" />
+    <ClCompile Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu_message_box.cpp" />
     <ClCompile Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu_main_menu.cpp" />
     <ClCompile Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu_page.cpp" />
     <ClCompile Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu_settings.cpp" />
@@ -541,6 +542,7 @@
     <ClInclude Include="Emu\RSX\Core\RSXVertexTypes.h" />
     <ClInclude Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu.h" />
     <ClInclude Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu_components.h" />
+    <ClInclude Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu_message_box.h" />
     <ClInclude Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu_main_menu.h" />
     <ClInclude Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu_page.h" />
     <ClInclude Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu_settings.h" />
diff --git a/rpcs3/emucore.vcxproj.filters b/rpcs3/emucore.vcxproj.filters
index eff820c539..9f58492206 100644
--- a/rpcs3/emucore.vcxproj.filters
+++ b/rpcs3/emucore.vcxproj.filters
@@ -1135,6 +1135,9 @@
     <ClCompile Include="Emu\RSX\Overlays\overlay_shader_compile_notification.cpp">
       <Filter>Emu\GPU\RSX\Overlays</Filter>
     </ClCompile>
+    <ClCompile Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu_message_box.cpp">
+      <Filter>Emu\GPU\RSX\Overlays\HomeMenu</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Crypto\aes.h">
@@ -2284,6 +2287,9 @@
     <ClInclude Include="Emu\RSX\Program\RSXOverlay.h">
       <Filter>Emu\GPU\RSX\Program</Filter>
     </ClInclude>
+    <ClInclude Include="Emu\RSX\Overlays\HomeMenu\overlay_home_menu_message_box.h">
+      <Filter>Emu\GPU\RSX\Overlays\HomeMenu</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="Emu\RSX\Program\GLSLSnippets\GPUDeswizzle.glsl">
diff --git a/rpcs3/main_application.cpp b/rpcs3/main_application.cpp
index e09339a3ac..c720ce1512 100644
--- a/rpcs3/main_application.cpp
+++ b/rpcs3/main_application.cpp
@@ -111,6 +111,14 @@ EmuCallbacks main_application::CreateCallbacks()
 		});
 	};
 
+	callbacks.save_emu_settings = [this]()
+	{
+		Emu.BlockingCallFromMainThread([&]()
+		{
+			Emulator::SaveSettings(g_cfg.to_string(), Emu.GetTitleID());
+		});
+	};
+
 	callbacks.init_kb_handler = [this]()
 	{
 		switch (g_cfg.io.keyboard.get())
diff --git a/rpcs3/rpcs3qt/emu_settings.cpp b/rpcs3/rpcs3qt/emu_settings.cpp
index c5634ed17c..45e9aa9af1 100644
--- a/rpcs3/rpcs3qt/emu_settings.cpp
+++ b/rpcs3/rpcs3qt/emu_settings.cpp
@@ -268,40 +268,8 @@ void emu_settings::RestoreDefaults()
 void emu_settings::SaveSettings()
 {
 	YAML::Emitter out;
-	std::string config_name;
-
-	if (m_title_id.empty())
-	{
-		config_name = fs::get_config_dir() + "/config.yml";
-	}
-	else
-	{
-		config_name = rpcs3::utils::get_custom_config_path(m_title_id);
-	}
-
 	emit_data(out, m_current_settings);
-
-	// Save config atomically
-	fs::pending_file temp(config_name);
-	temp.file.write(out.c_str(), out.size());
-	if (!temp.commit())
-	{
-		cfg_log.error("Could not save config to %s (error=%s)", config_name, fs::g_tls_error);
-	}
-
-	// Check if the running config/title is the same as the edited config/title.
-	if (config_name == g_cfg.name || m_title_id == Emu.GetTitleID())
-	{
-		// Update current config
-		if (!g_cfg.from_string({out.c_str(), out.size()}, !Emu.IsStopped()))
-		{
-			cfg_log.fatal("Failed to update configuration");
-		}
-		else if (!Emu.IsStopped()) // Don't spam the log while emulation is stopped. The config will be logged on boot anyway.
-		{
-			cfg_log.notice("Updated configuration:\n%s\n", g_cfg.to_string());
-		}
-	}
+	Emulator::SaveSettings(out.c_str(), m_title_id);
 }
 
 void emu_settings::EnhanceComboBox(QComboBox* combobox, emu_settings_type type, bool is_ranged, bool use_max, int max, bool sorted, bool strict)
diff --git a/rpcs3/rpcs3qt/localized_emu.h b/rpcs3/rpcs3qt/localized_emu.h
index 89a471595f..86818f90b1 100644
--- a/rpcs3/rpcs3qt/localized_emu.h
+++ b/rpcs3/rpcs3qt/localized_emu.h
@@ -173,6 +173,10 @@ private:
 		case localized_string_id::HOME_MENU_EXIT_GAME: return tr("Exit Game");
 		case localized_string_id::HOME_MENU_RESUME: return tr("Resume Game");
 		case localized_string_id::HOME_MENU_SETTINGS: return tr("Settings");
+		case localized_string_id::HOME_MENU_SETTINGS_SAVE: return tr("Save custom configuration?");
+		case localized_string_id::HOME_MENU_SETTINGS_SAVE_BUTTON: return tr("Save");
+		case localized_string_id::HOME_MENU_SETTINGS_DISCARD: return tr("Discard the current settings' changes?");
+		case localized_string_id::HOME_MENU_SETTINGS_DISCARD_BUTTON: return tr("Discard");
 		case localized_string_id::HOME_MENU_SETTINGS_AUDIO: return tr("Audio");
 		case localized_string_id::HOME_MENU_SETTINGS_VIDEO: return tr("Video");
 		case localized_string_id::HOME_MENU_SETTINGS_INPUT: return tr("Input");