refactor: add separate settings

src/singletons/Theme.cpp

@@ -212,15 +212,7 @@ const std::vector<ThemeDescriptor> Theme::builtInThemes{
         .key = "Black",
         .path = ":/themes/Black.json",
         .name = "Black",
-    }
-#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
-    ,
-    {
-        .key = "System",
-        .path = ":/themes/Dark.json",
-        .name = "System",
     },
-#endif
 };
 
 // Dark is our default & fallback theme
@@ -244,6 +236,14 @@ void Theme::initialize(Settings &settings, const Paths &paths)
             this->update();
         },
         false);
+    auto updateIfSystem = [this](const auto &) {
+        if (this->isSystemTheme())
+        {
+            this->update();
+        }
+    };
+    this->darkSystemThemeName.connect(updateIfSystem, false);
+    this->lightSystemThemeName.connect(updateIfSystem, false);
 
     this->loadAvailableThemes(paths);
 
@@ -270,10 +270,10 @@ void Theme::update()
             switch (qApp->styleHints()->colorScheme())
             {
                 case Qt::ColorScheme::Light:
-                    return u"Light"_s;
+                    return this->lightSystemThemeName;
                 case Qt::ColorScheme::Unknown:
                 case Qt::ColorScheme::Dark:
-                    return u"Dark"_s;
+                    return this->darkSystemThemeName;
             }
         }
 #endif

src/singletons/Theme.hpp

@@ -154,6 +154,9 @@ public:
     pajlada::Signals::NoArgSignal updated;
 
     QStringSetting themeName{"/appearance/theme/name", "Dark"};
+    QStringSetting lightSystemThemeName{"/appearance/theme/lightSystem",
+                                        "Light"};
+    QStringSetting darkSystemThemeName{"/appearance/theme/darkSystem", "Dark"};
 
 private:
     bool isLight_ = false;

src/widgets/settingspages/GeneralPage.cpp

@@ -122,16 +122,49 @@ void GeneralPage::initLayout(GeneralPageView &layout)
 
     layout.addTitle("Interface");
 
-    layout.addDropdown<QString>(
-        "Theme", getIApp()->getThemes()->availableThemes(),
-        getIApp()->getThemes()->themeName,
+    {
+        auto *themes = getIApp()->getThemes();
+        auto available = themes->availableThemes();
+#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
+        available.emplace_back("System", "System");
+#endif
+
+        auto addThemeDropdown = [&](auto name, auto &setting,
+                                    const auto &options,
+                                    const QString &tooltip = {}) {
+            return layout.addDropdown<QString>(
+                name, options, setting,
                 [](const auto *combo, const auto &themeKey) {
                     return combo->findData(themeKey, Qt::UserRole);
                 },
                 [](const auto &args) {
-            return args.combobox->itemData(args.index, Qt::UserRole).toString();
+                    return args.combobox->itemData(args.index, Qt::UserRole)
+                        .toString();
                 },
-        {}, Theme::fallbackTheme.name);
+                tooltip, Theme::fallbackTheme.name);
+        };
+
+        addThemeDropdown("Theme", themes->themeName, available);
+
+#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
+        auto *darkDropdown = addThemeDropdown(
+            "Dark system theme", themes->darkSystemThemeName,
+            themes->availableThemes(),
+            "This theme is selected if your system is in a dark theme and you "
+            "enabled the adaptive 'System' theme.");
+        auto *lightDropdown = addThemeDropdown(
+            "Light system theme", themes->lightSystemThemeName,
+            themes->availableThemes(),
+            "This theme is selected if your system is in a light theme and you "
+            "enabled the adaptive 'System' theme.");
+
+        auto isSystem = [](const auto &s) {
+            return s == "System";
+        };
+        layout.enableIf(darkDropdown, themes->themeName, isSystem);
+        layout.enableIf(lightDropdown, themes->themeName, isSystem);
+#endif
+    }
 
     layout.addDropdown<QString>(
         "Font", {"Segoe UI", "Arial", "Choose..."},

src/widgets/settingspages/GeneralPageView.hpp

@@ -306,6 +306,15 @@ public:
         return combo;
     }
 
+    void enableIf(QComboBox *widget, auto &setting, auto cb)
+    {
+        auto updateVisibility = [cb = std::move(cb), &setting, widget]() {
+            auto enabled = cb(setting.getValue());
+            widget->setEnabled(enabled);
+        };
+        setting.connect(updateVisibility, this->managedConnections_);
+    }
+
     DescriptionLabel *addDescription(const QString &text);
 
     void addSeperator();