Qt: Clean and remove empty game settings

src/common/file_system.cpp

@@ -1736,17 +1736,29 @@ bool FileSystem::CreateDirectory(const char* Path, bool Recursive, Error* error)
   }
 }
 
-bool FileSystem::DeleteFile(const char* path)
+bool FileSystem::DeleteFile(const char* path, Error* error)
 {
   if (path[0] == '\0')
+  {
+    Error::SetStringView(error, "Path is empty.");
     return false;
+  }
 
   const std::wstring wpath = GetWin32Path(path);
   const DWORD fileAttributes = GetFileAttributesW(wpath.c_str());
   if (fileAttributes == INVALID_FILE_ATTRIBUTES || fileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+  {
+    Error::SetStringView(error, "File does not exist.");
     return false;
+  }
 
-  return (DeleteFileW(wpath.c_str()) == TRUE);
+  if (!DeleteFileW(wpath.c_str()))
+  {
+    Error::SetWin32(error, "DeleteFileW() failed: ", GetLastError());
+    return false;
+  }
+
+  return true;
 }
 
 bool FileSystem::RenamePath(const char* old_path, const char* new_path, Error* error)
@@ -2241,16 +2253,28 @@ bool FileSystem::CreateDirectory(const char* path, bool recursive, Error* error)
   }
 }
 
-bool FileSystem::DeleteFile(const char* path)
+bool FileSystem::DeleteFile(const char* path, Error* error)
 {
   if (path[0] == '\0')
+  {
+    Error::SetStringView(error, "Path is empty.");
     return false;
+  }
 
   struct stat sysStatData;
   if (stat(path, &sysStatData) != 0 || S_ISDIR(sysStatData.st_mode))
+  {
+    Error::SetStringView(error, "File does not exist.");
     return false;
+  }
 
-  return (unlink(path) == 0);
+  if (unlink(path) != 0)
+  {
+    Error::SetErrno(error, "unlink() failed: ", errno);
+    return false;
+  }
+
+  return true;
 }
 
 bool FileSystem::RenamePath(const char* old_path, const char* new_path, Error* error)

src/common/file_system.h

@@ -86,7 +86,7 @@ bool DirectoryExists(const char* path);
 bool DirectoryIsEmpty(const char* path);
 
 /// Delete file
-bool DeleteFile(const char* path);
+bool DeleteFile(const char* path, Error* error = nullptr);
 
 /// Rename file
 bool RenamePath(const char* OldPath, const char* NewPath, Error* error = nullptr);

src/common/layered_settings_interface.cpp

@@ -19,6 +19,11 @@ void LayeredSettingsInterface::Clear()
   Panic("Attempting to clear layered settings interface");
 }
 
+bool LayeredSettingsInterface::IsEmpty()
+{
+  return false;
+}
+
 bool LayeredSettingsInterface::GetIntValue(const char* section, const char* key, s32* value) const
 {
   for (u32 layer = FIRST_LAYER; layer <= LAST_LAYER; layer++)
@@ -170,6 +175,16 @@ void LayeredSettingsInterface::ClearSection(const char* section)
   Panic("Attempt to call ClearSection() on layered settings interface");
 }
 
+void LayeredSettingsInterface::RemoveSection(const char* section)
+{
+  Panic("Attempt to call RemoveSection() on layered settings interface");
+}
+
+void LayeredSettingsInterface::RemoveEmptySections()
+{
+  Panic("Attempt to call RemoveEmptySections() on layered settings interface");
+}
+
 std::vector<std::string> LayeredSettingsInterface::GetStringList(const char* section, const char* key) const
 {
   std::vector<std::string> ret;

src/common/layered_settings_interface.h

@@ -27,6 +27,8 @@ public:
 
   void Clear() override;
 
+  bool IsEmpty() override;
+
   bool GetIntValue(const char* section, const char* key, s32* value) const override;
   bool GetUIntValue(const char* section, const char* key, u32* value) const override;
   bool GetFloatValue(const char* section, const char* key, float* value) const override;
@@ -44,6 +46,8 @@ public:
   bool ContainsValue(const char* section, const char* key) const override;
   void DeleteValue(const char* section, const char* key) override;
   void ClearSection(const char* section) override;
+  void RemoveSection(const char* section) override;
+  void RemoveEmptySections() override;
 
   std::vector<std::string> GetStringList(const char* section, const char* key) const override;
   void SetStringList(const char* section, const char* key, const std::vector<std::string>& items) override;

src/common/memory_settings_interface.cpp

@@ -22,6 +22,11 @@ void MemorySettingsInterface::Clear()
   m_sections.clear();
 }
 
+bool MemorySettingsInterface::IsEmpty()
+{
+  return m_sections.empty();
+}
+
 bool MemorySettingsInterface::GetIntValue(const char* section, const char* key, s32* value) const
 {
   const auto sit = m_sections.find(section);
@@ -315,3 +320,26 @@ void MemorySettingsInterface::ClearSection(const char* section)
 
   m_sections.erase(sit);
 }
+
+void MemorySettingsInterface::RemoveSection(const char* section)
+{
+  auto sit = m_sections.find(section);
+  if (sit == m_sections.end())
+    return;
+
+  m_sections.erase(sit);
+}
+
+void MemorySettingsInterface::RemoveEmptySections()
+{
+  for (auto sit = m_sections.begin(); sit != m_sections.end();)
+  {
+    if (sit->second.size() > 0)
+    {
+      ++sit;
+      continue;
+    }
+
+    sit = m_sections.erase(sit);
+  }
+}

src/common/memory_settings_interface.h

@@ -16,6 +16,8 @@ public:
 
   void Clear() override;
 
+  bool IsEmpty() override;
+
   bool GetIntValue(const char* section, const char* key, s32* value) const override;
   bool GetUIntValue(const char* section, const char* key, u32* value) const override;
   bool GetFloatValue(const char* section, const char* key, float* value) const override;
@@ -37,6 +39,8 @@ public:
   bool ContainsValue(const char* section, const char* key) const override;
   void DeleteValue(const char* section, const char* key) override;
   void ClearSection(const char* section) override;
+  void RemoveSection(const char* section) override;
+  void RemoveEmptySections();
 
   std::vector<std::string> GetStringList(const char* section, const char* key) const override;
   void SetStringList(const char* section, const char* key, const std::vector<std::string>& items) override;

src/common/settings_interface.h

@@ -19,6 +19,7 @@ public:
 
   virtual bool Save(Error* error = nullptr) = 0;
   virtual void Clear() = 0;
+  virtual bool IsEmpty() = 0;
 
   virtual bool GetIntValue(const char* section, const char* key, s32* value) const = 0;
   virtual bool GetUIntValue(const char* section, const char* key, u32* value) const = 0;
@@ -46,6 +47,8 @@ public:
   virtual bool ContainsValue(const char* section, const char* key) const = 0;
   virtual void DeleteValue(const char* section, const char* key) = 0;
   virtual void ClearSection(const char* section) = 0;
+  virtual void RemoveSection(const char* section) = 0;
+  virtual void RemoveEmptySections() = 0;
 
   ALWAYS_INLINE s32 GetIntValue(const char* section, const char* key, s32 default_value = 0) const
   {

src/core/fullscreen_ui.cpp

@@ -836,7 +836,29 @@ void FullscreenUI::Render()
   {
     if (s_game_settings_interface)
     {
-      s_game_settings_interface->Save();
+      Error error;
+      s_game_settings_interface->RemoveEmptySections();
+
+      if (s_game_settings_interface->IsEmpty())
+      {
+        if (FileSystem::FileExists(s_game_settings_interface->GetFileName().c_str()) &&
+            !FileSystem::DeleteFile(s_game_settings_interface->GetFileName().c_str(), &error))
+        {
+          ImGuiFullscreen::OpenInfoMessageDialog(
+            FSUI_STR("Error"), fmt::format(FSUI_FSTR("An error occurred while deleting empty game settings:\n{}"),
+                                           error.GetDescription()));
+        }
+      }
+      else
+      {
+        if (!s_game_settings_interface->Save(&error))
+        {
+          ImGuiFullscreen::OpenInfoMessageDialog(
+            FSUI_STR("Error"),
+            fmt::format(FSUI_FSTR("An error occurred while saving game settings:\n{}"), error.GetDescription()));
+        }
+      }
+
       if (System::IsValid())
         Host::RunOnCPUThread([]() { System::ReloadGameSettings(false); });
     }
@@ -7052,6 +7074,8 @@ TRANSLATE_NOOP("FullscreenUI", "Advanced Settings");
 TRANSLATE_NOOP("FullscreenUI", "All Time: {}");
 TRANSLATE_NOOP("FullscreenUI", "Allow Booting Without SBI File");
 TRANSLATE_NOOP("FullscreenUI", "Allows loading protected games without subchannel information.");
+TRANSLATE_NOOP("FullscreenUI", "An error occurred while deleting empty game settings:\n{}");
+TRANSLATE_NOOP("FullscreenUI", "An error occurred while saving game settings:\n{}");
 TRANSLATE_NOOP("FullscreenUI", "Applies modern dithering techniques to further smooth out gradients when true color is enabled.");
 TRANSLATE_NOOP("FullscreenUI", "Apply Image Patches");
 TRANSLATE_NOOP("FullscreenUI", "Apply Per-Game Settings");
@@ -7220,6 +7244,7 @@ TRANSLATE_NOOP("FullscreenUI", "Enhancements");
 TRANSLATE_NOOP("FullscreenUI", "Ensures every frame generated is displayed for optimal pacing. Enable for variable refresh displays, such as GSync/FreeSync. Disable if you are having speed or sound issues.");
 TRANSLATE_NOOP("FullscreenUI", "Enter Value");
 TRANSLATE_NOOP("FullscreenUI", "Enter the name of the input profile you wish to create.");
+TRANSLATE_NOOP("FullscreenUI", "Error");
 TRANSLATE_NOOP("FullscreenUI", "Execution Mode");
 TRANSLATE_NOOP("FullscreenUI", "Exit");
 TRANSLATE_NOOP("FullscreenUI", "Exit And Save State");
@@ -7330,6 +7355,7 @@ TRANSLATE_NOOP("FullscreenUI", "Macro {} Buttons");
 TRANSLATE_NOOP("FullscreenUI", "Macro {} Frequency");
 TRANSLATE_NOOP("FullscreenUI", "Macro {} Trigger");
 TRANSLATE_NOOP("FullscreenUI", "Makes games run closer to their console framerate, at a small cost to performance.");
+TRANSLATE_NOOP("FullscreenUI", "Memory Card Busy");
 TRANSLATE_NOOP("FullscreenUI", "Memory Card Directory");
 TRANSLATE_NOOP("FullscreenUI", "Memory Card Port {}");
 TRANSLATE_NOOP("FullscreenUI", "Memory Card Settings");
@@ -7351,6 +7377,7 @@ TRANSLATE_NOOP("FullscreenUI", "No input profiles available.");
 TRANSLATE_NOOP("FullscreenUI", "No resume save state found.");
 TRANSLATE_NOOP("FullscreenUI", "No save present in this slot.");
 TRANSLATE_NOOP("FullscreenUI", "No save states found.");
+TRANSLATE_NOOP("FullscreenUI", "No, resume the game.");
 TRANSLATE_NOOP("FullscreenUI", "None (Double Speed)");
 TRANSLATE_NOOP("FullscreenUI", "None (Normal Speed)");
 TRANSLATE_NOOP("FullscreenUI", "Not Logged In");
@@ -7599,6 +7626,7 @@ TRANSLATE_NOOP("FullscreenUI", "Uses perspective-correct interpolation for textu
 TRANSLATE_NOOP("FullscreenUI", "Uses screen positions to resolve PGXP data. May improve visuals in some games.");
 TRANSLATE_NOOP("FullscreenUI", "Value: {} | Default: {} | Minimum: {} | Maximum: {}");
 TRANSLATE_NOOP("FullscreenUI", "Vertical Sync (VSync)");
+TRANSLATE_NOOP("FullscreenUI", "WARNING: Your game is still saving to the memory card. Continuing to {0} may IRREVERSIBLY DESTROY YOUR MEMORY CARD. We recommend resuming your game and waiting 5 seconds for it to finish saving.\n\nDo you want to {0} anyway?");
 TRANSLATE_NOOP("FullscreenUI", "When enabled and logged in, DuckStation will scan for achievements on startup.");
 TRANSLATE_NOOP("FullscreenUI", "When enabled, DuckStation will assume all achievements are locked and not send any unlock notifications to the server.");
 TRANSLATE_NOOP("FullscreenUI", "When enabled, DuckStation will list achievements from unofficial sets. These achievements are not tracked by RetroAchievements.");
@@ -7611,8 +7639,12 @@ TRANSLATE_NOOP("FullscreenUI", "When this option is chosen, the clock speed set
 TRANSLATE_NOOP("FullscreenUI", "Widescreen Hack");
 TRANSLATE_NOOP("FullscreenUI", "Wireframe Rendering");
 TRANSLATE_NOOP("FullscreenUI", "Writes textures which can be replaced to the dump directory.");
+TRANSLATE_NOOP("FullscreenUI", "Yes, {} now and risk memory card corruption.");
 TRANSLATE_NOOP("FullscreenUI", "\"Challenge\" mode for achievements, including leaderboard tracking. Disables save state, cheats, and slowdown functions.");
 TRANSLATE_NOOP("FullscreenUI", "\"PlayStation\" and \"PSX\" are registered trademarks of Sony Interactive Entertainment Europe Limited. This software is not affiliated in any way with Sony Interactive Entertainment.");
+TRANSLATE_NOOP("FullscreenUI", "change disc");
+TRANSLATE_NOOP("FullscreenUI", "reset");
+TRANSLATE_NOOP("FullscreenUI", "shut down");
 TRANSLATE_NOOP("FullscreenUI", "{:%H:%M}");
 TRANSLATE_NOOP("FullscreenUI", "{:%Y-%m-%d %H:%M:%S}");
 TRANSLATE_NOOP("FullscreenUI", "{} Frames");

src/duckstation-qt/controllerbindingwidgets.cpp

@@ -336,7 +336,7 @@ void ControllerBindingWidget::doDeviceAutomaticBinding(const QString& device)
   else
   {
     result = InputManager::MapController(*m_dialog->getProfileSettingsInterface(), m_port_number, mapping);
-    m_dialog->getProfileSettingsInterface()->Save();
+    QtHost::SaveGameSettings(m_dialog->getProfileSettingsInterface(), false);
     g_emu_thread->reloadInputBindings();
   }
 

src/duckstation-qt/controllersettingswindow.cpp

@@ -278,8 +278,7 @@ void ControllerSettingsWindow::setBoolValue(const char* section, const char* key
   if (m_profile_interface)
   {
     m_profile_interface->SetBoolValue(section, key, value);
-    m_profile_interface->Save();
-    g_emu_thread->reloadGameSettings();
+    saveAndReloadGameSettings();
   }
   else
   {
@@ -294,8 +293,7 @@ void ControllerSettingsWindow::setIntValue(const char* section, const char* key,
   if (m_profile_interface)
   {
     m_profile_interface->SetIntValue(section, key, value);
-    m_profile_interface->Save();
-    g_emu_thread->reloadGameSettings();
+    saveAndReloadGameSettings();
   }
   else
   {
@@ -310,8 +308,7 @@ void ControllerSettingsWindow::setStringValue(const char* section, const char* k
   if (m_profile_interface)
   {
     m_profile_interface->SetStringValue(section, key, value);
-    m_profile_interface->Save();
-    g_emu_thread->reloadGameSettings();
+    saveAndReloadGameSettings();
   }
   else
   {
@@ -321,6 +318,13 @@ void ControllerSettingsWindow::setStringValue(const char* section, const char* k
   }
 }
 
+void ControllerSettingsWindow::saveAndReloadGameSettings()
+{
+  DebugAssert(m_profile_interface);
+  QtHost::SaveGameSettings(m_profile_interface.get(), false);
+  g_emu_thread->reloadGameSettings(false);
+}
+
 void ControllerSettingsWindow::clearSettingValue(const char* section, const char* key)
 {
   if (m_profile_interface)

src/duckstation-qt/controllersettingswindow.h

@@ -64,6 +64,7 @@ public:
   void setIntValue(const char* section, const char* key, s32 value);
   void setStringValue(const char* section, const char* key, const char* value);
   void clearSettingValue(const char* section, const char* key);
+  void saveAndReloadGameSettings();
 
 Q_SIGNALS:
   void inputProfileSwitched();

src/duckstation-qt/controllersettingwidgetbinder.h

@@ -37,7 +37,7 @@ static void BindWidgetToInputProfileBool(SettingsInterface* sif, WidgetType* wid
     Accessor::connectValueChanged(widget, [sif, widget, section = std::move(section), key = std::move(key)]() {
       const bool new_value = Accessor::getBoolValue(widget);
       sif->SetBoolValue(section.c_str(), key.c_str(), new_value);
-      sif->Save();
+      QtHost::SaveGameSettings(sif, false);
       g_emu_thread->reloadGameSettings();
     });
   }
@@ -70,7 +70,7 @@ static void BindWidgetToInputProfileFloat(SettingsInterface* sif, WidgetType* wi
     Accessor::connectValueChanged(widget, [sif, widget, section = std::move(section), key = std::move(key)]() {
       const float new_value = Accessor::getFloatValue(widget);
       sif->SetFloatValue(section.c_str(), key.c_str(), new_value);
-      sif->Save();
+      QtHost::SaveGameSettings(sif, false);
       g_emu_thread->reloadGameSettings();
     });
   }
@@ -103,7 +103,7 @@ static void BindWidgetToInputProfileNormalized(SettingsInterface* sif, WidgetTyp
     Accessor::connectValueChanged(widget, [sif, widget, section = std::move(section), key = std::move(key), range]() {
       const int new_value = Accessor::getIntValue(widget);
       sif->SetFloatValue(section.c_str(), key.c_str(), static_cast<float>(new_value) / range);
-      sif->Save();
+      QtHost::SaveGameSettings(sif, false);
       g_emu_thread->reloadGameSettings();
     });
   }
@@ -142,7 +142,7 @@ static void BindWidgetToInputProfileString(SettingsInterface* sif, WidgetType* w
       else
         sif->DeleteValue(section.c_str(), key.c_str());
 
-      sif->Save();
+      QtHost::SaveGameSettings(sif, false);
       g_emu_thread->reloadGameSettings();
     });
   }

src/duckstation-qt/inputbindingdialog.cpp

@@ -234,7 +234,7 @@ void InputBindingDialog::saveListToSettings()
       m_sif->SetStringList(m_section_name.c_str(), m_key_name.c_str(), m_bindings);
     else
       m_sif->DeleteValue(m_section_name.c_str(), m_key_name.c_str());
-    m_sif->Save();
+    QtHost::SaveGameSettings(m_sif, false);
     g_emu_thread->reloadGameSettings();
   }
   else

src/duckstation-qt/inputbindingwidgets.cpp

@@ -218,7 +218,7 @@ void InputBindingWidget::setNewBinding()
     if (m_sif)
     {
       m_sif->SetStringValue(m_section_name.c_str(), m_key_name.c_str(), new_binding.c_str());
-      m_sif->Save();
+      QtHost::SaveGameSettings(m_sif, false);
       g_emu_thread->reloadGameSettings();
     }
     else
@@ -239,7 +239,7 @@ void InputBindingWidget::clearBinding()
   if (m_sif)
   {
     m_sif->DeleteValue(m_section_name.c_str(), m_key_name.c_str());
-    m_sif->Save();
+    QtHost::SaveGameSettings(m_sif, false);
     g_emu_thread->reloadGameSettings();
   }
   else

src/duckstation-qt/postprocessingsettingswidget.cpp

@@ -41,15 +41,13 @@ void PostProcessingSettingsWidget::commitSettingsUpdate()
 {
   if (m_dialog->isPerGameSettings())
   {
-    m_dialog->getSettingsInterface()->Save();
-    g_emu_thread->reloadGameSettings(false);
+    m_dialog->saveAndReloadGameSettings();
   }
   else
   {
     Host::CommitBaseSettingChanges();
+    g_emu_thread->updatePostProcessingSettings();
   }
-
-  g_emu_thread->updatePostProcessingSettings();
 }
 
 void PostProcessingSettingsWidget::connectUi()

src/duckstation-qt/qthost.cpp

@@ -171,6 +171,42 @@ INISettingsInterface* QtHost::GetBaseSettingsInterface()
   return s_base_settings_interface.get();
 }
 
+bool QtHost::SaveGameSettings(SettingsInterface* sif, bool delete_if_empty)
+{
+  INISettingsInterface* ini = static_cast<INISettingsInterface*>(sif);
+  Error error;
+
+  // if there's no keys, just toss the whole thing out
+  if (delete_if_empty && ini->IsEmpty())
+  {
+    Log_InfoFmt("Removing empty gamesettings ini {}", Path::GetFileName(ini->GetFileName()));
+    if (FileSystem::FileExists(ini->GetFileName().c_str()) &&
+        !FileSystem::DeleteFile(ini->GetFileName().c_str(), &error))
+    {
+      Host::ReportErrorAsync(
+        TRANSLATE_SV("QtHost", "Error"),
+        fmt::format(TRANSLATE_FS("QtHost", "An error occurred while deleting empty game settings:\n{}"),
+                    error.GetDescription()));
+      return false;
+    }
+
+    return true;
+  }
+
+  // clean unused sections, stops the file being bloated
+  sif->RemoveEmptySections();
+
+  if (!sif->Save(&error))
+  {
+    Host::ReportErrorAsync(
+      TRANSLATE_SV("QtHost", "Error"),
+      fmt::format(TRANSLATE_FS("QtHost", "An error occurred while saving game settings:\n{}"), error.GetDescription()));
+    return false;
+  }
+
+  return true;
+}
+
 QIcon QtHost::GetAppIcon()
 {
   return QIcon(QStringLiteral(":/icons/duck.png"));

src/duckstation-qt/qthost.h

@@ -280,6 +280,9 @@ QString GetResourcesBasePath();
 /// Returns the base settings interface. Should lock before manipulating.
 INISettingsInterface* GetBaseSettingsInterface();
 
+/// Saves a game settings interface.
+bool SaveGameSettings(SettingsInterface* sif, bool delete_if_empty);
+
 /// Downloads the specified URL to the provided path.
 bool DownloadFile(QWidget* parent, const QString& title, std::string url, const char* path);
 

src/duckstation-qt/settingswindow.cpp

@@ -289,8 +289,7 @@ void SettingsWindow::onCopyGlobalSettingsClicked()
     temp.Load(*Host::Internal::GetBaseSettingsLayer());
     temp.Save(*m_sif.get(), true);
   }
-  m_sif->Save();
-  g_emu_thread->reloadGameSettings();
+  saveAndReloadGameSettings();
 
   reloadPages();
 
@@ -311,8 +310,7 @@ void SettingsWindow::onClearSettingsClicked()
   }
 
   Settings::Clear(*m_sif.get());
-  m_sif->Save();
-  g_emu_thread->reloadGameSettings();
+  saveAndReloadGameSettings();
 
   reloadPages();
 
@@ -524,8 +522,7 @@ void SettingsWindow::setBoolSettingValue(const char* section, const char* key, s
   if (m_sif)
   {
     value.has_value() ? m_sif->SetBoolValue(section, key, value.value()) : m_sif->DeleteValue(section, key);
-    m_sif->Save();
-    g_emu_thread->reloadGameSettings();
+    saveAndReloadGameSettings();
   }
   else
   {
@@ -541,8 +538,7 @@ void SettingsWindow::setIntSettingValue(const char* section, const char* key, st
   if (m_sif)
   {
     value.has_value() ? m_sif->SetIntValue(section, key, value.value()) : m_sif->DeleteValue(section, key);
-    m_sif->Save();
-    g_emu_thread->reloadGameSettings();
+    saveAndReloadGameSettings();
   }
   else
   {
@@ -558,8 +554,7 @@ void SettingsWindow::setFloatSettingValue(const char* section, const char* key,
   if (m_sif)
   {
     value.has_value() ? m_sif->SetFloatValue(section, key, value.value()) : m_sif->DeleteValue(section, key);
-    m_sif->Save();
-    g_emu_thread->reloadGameSettings();
+    saveAndReloadGameSettings();
   }
   else
   {
@@ -575,8 +570,7 @@ void SettingsWindow::setStringSettingValue(const char* section, const char* key,
   if (m_sif)
   {
     value.has_value() ? m_sif->SetStringValue(section, key, value.value()) : m_sif->DeleteValue(section, key);
-    m_sif->Save();
-    g_emu_thread->reloadGameSettings();
+    saveAndReloadGameSettings();
   }
   else
   {
@@ -600,8 +594,7 @@ void SettingsWindow::removeSettingValue(const char* section, const char* key)
   if (m_sif)
   {
     m_sif->DeleteValue(section, key);
-    m_sif->Save();
-    g_emu_thread->reloadGameSettings();
+    saveAndReloadGameSettings();
   }
   else
   {
@@ -611,6 +604,13 @@ void SettingsWindow::removeSettingValue(const char* section, const char* key)
   }
 }
 
+void SettingsWindow::saveAndReloadGameSettings()
+{
+  DebugAssert(m_sif);
+  QtHost::SaveGameSettings(m_sif.get(), true);
+  g_emu_thread->reloadGameSettings(false);
+}
+
 void SettingsWindow::openGamePropertiesDialog(const std::string& path, const std::string& serial, DiscRegion region)
 {
   const GameDatabase::Entry* dentry = nullptr;

src/duckstation-qt/settingswindow.h

@@ -88,6 +88,7 @@ public:
   void setStringSettingValue(const char* section, const char* key, std::optional<const char*> value);
   bool containsSettingValue(const char* section, const char* key) const;
   void removeSettingValue(const char* section, const char* key);
+  void saveAndReloadGameSettings();
 
 Q_SIGNALS:
   void settingsResetToDefaults();

src/duckstation-qt/settingwidgetbinder.h

@@ -710,7 +710,7 @@ static void BindWidgetToBoolSetting(SettingsInterface* sif, WidgetType* widget,
       else
         sif->DeleteValue(section.c_str(), key.c_str());
 
-      sif->Save();
+      QtHost::SaveGameSettings(sif, true);
       g_emu_thread->reloadGameSettings();
     });
   }
@@ -753,7 +753,7 @@ static void BindWidgetToIntSetting(SettingsInterface* sif, WidgetType* widget, s
         else
           sif->DeleteValue(section.c_str(), key.c_str());
 
-        sif->Save();
+        QtHost::SaveGameSettings(sif, true);
         g_emu_thread->reloadGameSettings();
       });
   }
@@ -828,7 +828,7 @@ static inline void BindWidgetAndLabelToIntSetting(SettingsInterface* sif, Widget
         }
       }
 
-      sif->Save();
+      QtHost::SaveGameSettings(sif, true);
       g_emu_thread->reloadGameSettings();
     });
   }
@@ -876,7 +876,7 @@ static void BindWidgetToFloatSetting(SettingsInterface* sif, WidgetType* widget,
       else
         sif->DeleteValue(section.c_str(), key.c_str());
 
-      sif->Save();
+      QtHost::SaveGameSettings(sif, true);
       g_emu_thread->reloadGameSettings();
     });
   }
@@ -917,7 +917,7 @@ static void BindWidgetToNormalizedSetting(SettingsInterface* sif, WidgetType* wi
       else
         sif->DeleteValue(section.c_str(), key.c_str());
 
-      sif->Save();
+      QtHost::SaveGameSettings(sif, true);
       g_emu_thread->reloadGameSettings();
     });
   }
@@ -959,7 +959,7 @@ static void BindWidgetToStringSetting(SettingsInterface* sif, WidgetType* widget
       else
         sif->DeleteValue(section.c_str(), key.c_str());
 
-      sif->Save();
+      QtHost::SaveGameSettings(sif, true);
       g_emu_thread->reloadGameSettings();
     });
   }
@@ -1024,7 +1024,7 @@ static void BindWidgetToEnumSetting(SettingsInterface* sif, WidgetType* widget,
           sif->DeleteValue(section.c_str(), key.c_str());
         }
 
-        sif->Save();
+        QtHost::SaveGameSettings(sif, true);
         g_emu_thread->reloadGameSettings();
       });
   }
@@ -1092,7 +1092,7 @@ static void BindWidgetToEnumSetting(SettingsInterface* sif, WidgetType* widget,
         else
           sif->DeleteValue(section.c_str(), key.c_str());
 
-        sif->Save();
+        QtHost::SaveGameSettings(sif, true);
         g_emu_thread->reloadGameSettings();
       });
   }
@@ -1160,7 +1160,7 @@ static void BindWidgetToEnumSetting(SettingsInterface* sif, WidgetType* widget,
         else
           sif->DeleteValue(section.c_str(), key.c_str());
 
-        sif->Save();
+        QtHost::SaveGameSettings(sif, true);
         g_emu_thread->reloadGameSettings();
       });
   }

src/util/ini_settings_interface.cpp

@@ -135,6 +135,11 @@ void INISettingsInterface::Clear()
   m_ini.Reset();
 }
 
+bool INISettingsInterface::IsEmpty()
+{
+  return (m_ini.GetKeyCount() == 0);
+}
+
 bool INISettingsInterface::GetIntValue(const char* section, const char* key, s32* value) const
 {
   const char* str_value = m_ini.GetValue(section, key);
@@ -279,6 +284,29 @@ void INISettingsInterface::ClearSection(const char* section)
   m_ini.SetValue(section, nullptr, nullptr);
 }
 
+void INISettingsInterface::RemoveSection(const char* section)
+{
+  if (!m_ini.GetSection(section))
+    return;
+
+  m_dirty = true;
+  m_ini.Delete(section, nullptr);
+}
+
+void INISettingsInterface::RemoveEmptySections()
+{
+  std::list<CSimpleIniA::Entry> entries;
+  m_ini.GetAllSections(entries);
+  for (const CSimpleIniA::Entry& entry : entries)
+  {
+    if (m_ini.GetSectionSize(entry.pItem) > 0)
+      continue;
+
+    m_dirty = true;
+    m_ini.Delete(entry.pItem, nullptr);
+  }
+}
+
 std::vector<std::string> INISettingsInterface::GetStringList(const char* section, const char* key) const
 {
   std::list<CSimpleIniA::Entry> entries;

src/util/ini_settings_interface.h

@@ -22,6 +22,7 @@ public:
   bool Save(Error* error = nullptr) override;
 
   void Clear() override;
+  bool IsEmpty() override;
 
   bool GetIntValue(const char* section, const char* key, s32* value) const override;
   bool GetUIntValue(const char* section, const char* key, u32* value) const override;
@@ -40,6 +41,8 @@ public:
   bool ContainsValue(const char* section, const char* key) const override;
   void DeleteValue(const char* section, const char* key) override;
   void ClearSection(const char* section) override;
+  void RemoveSection(const char* section) override;
+  void RemoveEmptySections() override;
 
   std::vector<std::string> GetStringList(const char* section, const char* key) const override;
   void SetStringList(const char* section, const char* key, const std::vector<std::string>& items) override;