Qt: Make QSettings use the user config directory

Source/Core/DolphinQt2/Config/LogConfigWidget.cpp

@@ -9,7 +9,6 @@
 #include <QListWidget>
 #include <QPushButton>
 #include <QRadioButton>
-#include <QSettings>
 #include <QVBoxLayout>
 
 #include "Common/FileUtil.h"
@@ -122,7 +121,7 @@ void LogConfigWidget::ConnectWidgets()
 void LogConfigWidget::LoadSettings()
 {
   auto* logmanager = LogManager::GetInstance();
-  QSettings settings;
+  auto& settings = Settings::GetQSettings();
 
   restoreGeometry(settings.value(QStringLiteral("logconfigwidget/geometry")).toByteArray());
   setFloating(settings.value(QStringLiteral("logconfigwidget/floating")).toBool());
@@ -156,7 +155,7 @@ void LogConfigWidget::SaveSettings()
   if (m_block_save)
     return;
 
-  QSettings settings;
+  auto& settings = Settings::GetQSettings();
 
   settings.setValue(QStringLiteral("logconfigwidget/geometry"), saveGeometry());
   settings.setValue(QStringLiteral("logconfigwidget/floating"), isFloating());

Source/Core/DolphinQt2/Config/LogWidget.cpp

@@ -11,7 +11,6 @@
 #include <QGroupBox>
 #include <QPushButton>
 #include <QScrollBar>
-#include <QSettings>
 #include <QTextEdit>
 #include <QTimer>
 #include <QVBoxLayout>
@@ -146,7 +145,7 @@ void LogWidget::ConnectWidgets()
 
 void LogWidget::LoadSettings()
 {
-  QSettings settings;
+  auto& settings = Settings::GetQSettings();
 
   restoreGeometry(settings.value(QStringLiteral("logwidget/geometry")).toByteArray());
   setFloating(settings.value(QStringLiteral("logwidget/floating")).toBool());
@@ -163,7 +162,7 @@ void LogWidget::LoadSettings()
 
 void LogWidget::SaveSettings()
 {
-  QSettings settings;
+  auto& settings = Settings::GetQSettings();
 
   settings.setValue(QStringLiteral("logwidget/geometry"), saveGeometry());
   settings.setValue(QStringLiteral("logwidget/floating"), isFloating());

Source/Core/DolphinQt2/Debugger/BreakpointWidget.cpp

@@ -5,7 +5,6 @@
 #include "DolphinQt2/Debugger/BreakpointWidget.h"
 
 #include <QHeaderView>
-#include <QSettings>
 #include <QTableWidget>
 #include <QToolBar>
 #include <QVBoxLayout>
@@ -26,7 +25,7 @@ BreakpointWidget::BreakpointWidget(QWidget* parent) : QDockWidget(parent)
   setWindowTitle(tr("Breakpoints"));
   setAllowedAreas(Qt::AllDockWidgetAreas);
 
-  QSettings settings;
+  auto& settings = Settings::GetQSettings();
 
   restoreGeometry(settings.value(QStringLiteral("breakpointwidget/geometry")).toByteArray());
   setFloating(settings.value(QStringLiteral("breakpointwidget/floating")).toBool());
@@ -56,7 +55,7 @@ BreakpointWidget::BreakpointWidget(QWidget* parent) : QDockWidget(parent)
 
 BreakpointWidget::~BreakpointWidget()
 {
-  QSettings settings;
+  auto& settings = Settings::GetQSettings();
 
   settings.setValue(QStringLiteral("breakpointwidget/geometry"), saveGeometry());
   settings.setValue(QStringLiteral("breakpointwidget/floating"), isFloating());

Source/Core/DolphinQt2/Debugger/CodeWidget.cpp

@@ -10,7 +10,6 @@
 #include <QGroupBox>
 #include <QLineEdit>
 #include <QListWidget>
-#include <QSettings>
 #include <QSplitter>
 #include <QTableWidget>
 #include <QWidget>
@@ -30,7 +29,7 @@ CodeWidget::CodeWidget(QWidget* parent) : QDockWidget(parent)
   setWindowTitle(tr("Code"));
   setAllowedAreas(Qt::AllDockWidgetAreas);
 
-  QSettings settings;
+  auto& settings = Settings::GetQSettings();
 
   restoreGeometry(settings.value(QStringLiteral("codewidget/geometry")).toByteArray());
   setFloating(settings.value(QStringLiteral("codewidget/floating")).toBool());
@@ -58,7 +57,7 @@ CodeWidget::CodeWidget(QWidget* parent) : QDockWidget(parent)
 
 CodeWidget::~CodeWidget()
 {
-  QSettings settings;
+  auto& settings = Settings::GetQSettings();
 
   settings.setValue(QStringLiteral("codewidget/geometry"), saveGeometry());
   settings.setValue(QStringLiteral("codewidget/floating"), isFloating());

Source/Core/DolphinQt2/Debugger/RegisterWidget.cpp

@@ -12,7 +12,6 @@
 
 #include <QHeaderView>
 #include <QMenu>
-#include <QSettings>
 #include <QTableWidget>
 #include <QVBoxLayout>
 
@@ -21,7 +20,7 @@ RegisterWidget::RegisterWidget(QWidget* parent) : QDockWidget(parent)
   setWindowTitle(tr("Registers"));
   setAllowedAreas(Qt::AllDockWidgetAreas);
 
-  QSettings settings;
+  auto& settings = Settings::GetQSettings();
 
   restoreGeometry(settings.value(QStringLiteral("registerwidget/geometry")).toByteArray());
   setFloating(settings.value(QStringLiteral("registerwidget/floating")).toBool());
@@ -54,7 +53,7 @@ RegisterWidget::RegisterWidget(QWidget* parent) : QDockWidget(parent)
 
 RegisterWidget::~RegisterWidget()
 {
-  QSettings settings;
+  auto& settings = Settings::GetQSettings();
 
   settings.setValue(QStringLiteral("registerwidget/geometry"), saveGeometry());
   settings.setValue(QStringLiteral("registerwidget/floating"), isFloating());

Source/Core/DolphinQt2/Debugger/WatchWidget.cpp

@@ -15,7 +15,6 @@
 #include <QHeaderView>
 #include <QMenu>
 #include <QMessageBox>
-#include <QSettings>
 #include <QTableWidget>
 #include <QToolBar>
 #include <QVBoxLayout>
@@ -27,7 +26,7 @@ WatchWidget::WatchWidget(QWidget* parent) : QDockWidget(parent)
   setWindowTitle(tr("Watch"));
   setAllowedAreas(Qt::AllDockWidgetAreas);
 
-  QSettings settings;
+  auto& settings = Settings::GetQSettings();
 
   restoreGeometry(settings.value(QStringLiteral("watchwidget/geometry")).toByteArray());
   setFloating(settings.value(QStringLiteral("watchwidget/floating")).toBool());
@@ -59,7 +58,7 @@ WatchWidget::WatchWidget(QWidget* parent) : QDockWidget(parent)
 
 WatchWidget::~WatchWidget()
 {
-  QSettings settings;
+  auto& settings = Settings::GetQSettings();
 
   settings.setValue(QStringLiteral("watchwidget/geometry"), saveGeometry());
   settings.setValue(QStringLiteral("watchwidget/floating"), isFloating());

Source/Core/DolphinQt2/GameList/GameList.cpp

@@ -14,7 +14,6 @@
 #include <QMenu>
 #include <QMessageBox>
 #include <QProgressDialog>
-#include <QSettings>
 #include <QUrl>
 
 #include "Common/FileUtil.h"
@@ -106,7 +105,8 @@ void GameList::MakeListView()
   connect(hor_header, &QHeaderView::sectionMoved, this, &GameList::OnHeaderViewChanged);
 
   hor_header->setSectionsMovable(true);
-  hor_header->restoreState(QSettings().value(QStringLiteral("tableheader/state")).toByteArray());
+  hor_header->restoreState(
+      Settings::GetQSettings().value(QStringLiteral("tableheader/state")).toByteArray());
 
   hor_header->setSectionResizeMode(GameListModel::COL_PLATFORM, QHeaderView::ResizeToContents);
   hor_header->setSectionResizeMode(GameListModel::COL_BANNER, QHeaderView::ResizeToContents);
@@ -518,8 +518,8 @@ static bool CompressCB(const std::string& text, float percent, void* ptr)
 
 void GameList::OnHeaderViewChanged()
 {
-  QSettings().setValue(QStringLiteral("tableheader/state"),
+  Settings::GetQSettings().setValue(QStringLiteral("tableheader/state"),
-                       m_list->horizontalHeader()->saveState());
+                                    m_list->horizontalHeader()->saveState());
 }
 
 void GameList::SetSearchTerm(const QString& term)

Source/Core/DolphinQt2/NetPlay/NetPlaySetupDialog.cpp

@@ -17,7 +17,6 @@
 #include <QListWidget>
 #include <QMessageBox>
 #include <QPushButton>
-#include <QSettings>
 #include <QSpinBox>
 #include <QTabWidget>
 
@@ -50,7 +49,7 @@ NetPlaySetupDialog::NetPlaySetupDialog(QWidget* parent)
 
   OnConnectionTypeChanged(m_connection_type->currentIndex());
 
-  int selected_game = QSettings().value(QStringLiteral("netplay/hostgame"), 0).toInt();
+  int selected_game = Settings::GetQSettings().value(QStringLiteral("netplay/hostgame"), 0).toInt();
 
   if (selected_game >= m_host_games->count())
     selected_game = 0;
@@ -160,7 +159,9 @@ void NetPlaySetupDialog::ConnectWidgets()
   connect(m_host_port_box, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged), this,
           &NetPlaySetupDialog::SaveSettings);
   connect(m_host_games, static_cast<void (QListWidget::*)(int)>(&QListWidget::currentRowChanged),
-          [](int index) { QSettings().setValue(QStringLiteral("netplay/hostgame"), index); });
+          [](int index) {
+            Settings::GetQSettings().setValue(QStringLiteral("netplay/hostgame"), index);
+          });
   connect(m_host_force_port_check, &QCheckBox::toggled,
           [this](int value) { m_host_force_port_box->setEnabled(value); });
 #ifdef USE_UPNP

Source/Core/DolphinQt2/Settings.cpp

@@ -33,6 +33,14 @@ Settings& Settings::Instance()
   return settings;
 }
 
+QSettings& Settings::GetQSettings()
+{
+  static QSettings settings(
+      QStringLiteral("%1/Qt.ini").arg(QString::fromStdString(File::GetUserPath(D_CONFIG_IDX))),
+      QSettings::IniFormat);
+  return settings;
+}
+
 void Settings::SetThemeName(const QString& theme_name)
 {
   SConfig::GetInstance().theme_name = theme_name.toStdString();
@@ -88,22 +96,22 @@ void Settings::SetDefaultGame(QString path)
 
 bool Settings::GetPreferredView() const
 {
-  return QSettings().value(QStringLiteral("PreferredView"), true).toBool();
+  return GetQSettings().value(QStringLiteral("PreferredView"), true).toBool();
 }
 
 void Settings::SetPreferredView(bool list)
 {
-  QSettings().setValue(QStringLiteral("PreferredView"), list);
+  GetQSettings().setValue(QStringLiteral("PreferredView"), list);
 }
 
 int Settings::GetStateSlot() const
 {
-  return QSettings().value(QStringLiteral("Emulation/StateSlot"), 1).toInt();
+  return GetQSettings().value(QStringLiteral("Emulation/StateSlot"), 1).toInt();
 }
 
 void Settings::SetStateSlot(int slot)
 {
-  QSettings().setValue(QStringLiteral("Emulation/StateSlot"), slot);
+  GetQSettings().setValue(QStringLiteral("Emulation/StateSlot"), slot);
 }
 
 void Settings::SetHideCursor(bool hide_cursor)
@@ -145,28 +153,28 @@ void Settings::DecreaseVolume(int volume)
 
 bool Settings::IsLogVisible() const
 {
-  return QSettings().value(QStringLiteral("logging/logvisible")).toBool();
+  return GetQSettings().value(QStringLiteral("logging/logvisible")).toBool();
 }
 
 void Settings::SetLogVisible(bool visible)
 {
   if (IsLogVisible() != visible)
   {
-    QSettings().setValue(QStringLiteral("logging/logvisible"), visible);
+    GetQSettings().setValue(QStringLiteral("logging/logvisible"), visible);
     emit LogVisibilityChanged(visible);
   }
 }
 
 bool Settings::IsLogConfigVisible() const
 {
-  return QSettings().value(QStringLiteral("logging/logconfigvisible")).toBool();
+  return GetQSettings().value(QStringLiteral("logging/logconfigvisible")).toBool();
 }
 
 void Settings::SetLogConfigVisible(bool visible)
 {
   if (IsLogConfigVisible() != visible)
   {
-    QSettings().setValue(QStringLiteral("logging/logconfigvisible"), visible);
+    GetQSettings().setValue(QStringLiteral("logging/logconfigvisible"), visible);
     emit LogConfigVisibilityChanged(visible);
   }
 }
@@ -229,7 +237,7 @@ void Settings::SetRegistersVisible(bool enabled)
 {
   if (IsRegistersVisible() != enabled)
   {
-    QSettings().setValue(QStringLiteral("debugger/showregisters"), enabled);
+    GetQSettings().setValue(QStringLiteral("debugger/showregisters"), enabled);
 
     emit RegistersVisibilityChanged(enabled);
   }
@@ -237,14 +245,14 @@ void Settings::SetRegistersVisible(bool enabled)
 
 bool Settings::IsRegistersVisible() const
 {
-  return QSettings().value(QStringLiteral("debugger/showregisters")).toBool();
+  return GetQSettings().value(QStringLiteral("debugger/showregisters")).toBool();
 }
 
 void Settings::SetWatchVisible(bool enabled)
 {
   if (IsWatchVisible() != enabled)
   {
-    QSettings().setValue(QStringLiteral("debugger/showwatch"), enabled);
+    GetQSettings().setValue(QStringLiteral("debugger/showwatch"), enabled);
 
     emit WatchVisibilityChanged(enabled);
   }
@@ -252,14 +260,14 @@ void Settings::SetWatchVisible(bool enabled)
 
 bool Settings::IsWatchVisible() const
 {
-  return QSettings().value(QStringLiteral("debugger/showwatch")).toBool();
+  return GetQSettings().value(QStringLiteral("debugger/showwatch")).toBool();
 }
 
 void Settings::SetBreakpointsVisible(bool enabled)
 {
   if (IsBreakpointsVisible() != enabled)
   {
-    QSettings().setValue(QStringLiteral("debugger/showbreakpoints"), enabled);
+    GetQSettings().setValue(QStringLiteral("debugger/showbreakpoints"), enabled);
 
     emit BreakpointsVisibilityChanged(enabled);
   }
@@ -267,7 +275,7 @@ void Settings::SetBreakpointsVisible(bool enabled)
 
 bool Settings::IsBreakpointsVisible() const
 {
-  return QSettings().value(QStringLiteral("debugger/showbreakpoints")).toBool();
+  return GetQSettings().value(QStringLiteral("debugger/showbreakpoints")).toBool();
 }
 
 bool Settings::IsControllerStateNeeded() const
@@ -284,7 +292,7 @@ void Settings::SetCodeVisible(bool enabled)
 {
   if (IsCodeVisible() != enabled)
   {
-    QSettings().setValue(QStringLiteral("debugger/showcode"), enabled);
+    GetQSettings().setValue(QStringLiteral("debugger/showcode"), enabled);
 
     emit CodeVisibilityChanged(enabled);
   }
@@ -292,14 +300,14 @@ void Settings::SetCodeVisible(bool enabled)
 
 bool Settings::IsCodeVisible() const
 {
-  return QSettings().value(QStringLiteral("debugger/showcode")).toBool();
+  return GetQSettings().value(QStringLiteral("debugger/showcode")).toBool();
 }
 
 void Settings::SetDebugFont(QFont font)
 {
   if (GetDebugFont() != font)
   {
-    QSettings().setValue(QStringLiteral("debugger/font"), font);
+    GetQSettings().setValue(QStringLiteral("debugger/font"), font);
 
     emit DebugFontChanged(font);
   }
@@ -310,7 +318,7 @@ QFont Settings::GetDebugFont() const
   QFont default_font = QFont(QStringLiteral("Monospace"));
   default_font.setStyleHint(QFont::TypeWriter);
 
-  return QSettings().value(QStringLiteral("debugger/font"), default_font).value<QFont>();
+  return GetQSettings().value(QStringLiteral("debugger/font"), default_font).value<QFont>();
 }
 
 void Settings::SetAutoUpdateTrack(const QString& mode)

Source/Core/DolphinQt2/Settings.h

@@ -8,6 +8,7 @@
 
 #include <QFont>
 #include <QObject>
+#include <QSettings>
 #include <QVector>
 
 #include "Core/NetPlayClient.h"
@@ -39,6 +40,7 @@ public:
   Settings& operator=(Settings&&) = delete;
 
   static Settings& Instance();
+  static QSettings& GetQSettings();
 
   // UI
   void SetThemeName(const QString& theme_name);