more system themes initial changes

Signed-off-by: Tayou <git@tayou.org>

launcher/Application.cpp

@@ -1073,8 +1073,8 @@ bool Application::createSetupWizard()
         // set default theme after going into theme wizard
         if (!validIcons)
             settings()->set("IconTheme", QString("pe_colored"));
-        if (!validWidgets)
-            settings()->set("ApplicationTheme", QString("system"));
+        //if (!validWidgets)
+            //settings()->set("ApplicationTheme", QString("system"));
 
         m_themeManager->applyCurrentlySelectedTheme(true);
 

launcher/ui/themes/SystemTheme.cpp

@@ -43,25 +43,33 @@
 
 SystemTheme::SystemTheme()
 {
+    themeName = QObject::tr("System");
     themeDebugLog() << "Determining System Theme...";
     const auto& style = QApplication::style();
-    systemPalette = QApplication::palette();
-    QString lowerThemeName = style->objectName();
+    colorPalette = QApplication::palette();
+    QString lowerThemeName = style->name();
     themeDebugLog() << "System theme seems to be:" << lowerThemeName;
     QStringList styles = QStyleFactory::keys();
     for (auto& st : styles) {
         themeDebugLog() << "Considering theme from theme factory:" << st.toLower();
         if (st.toLower() == lowerThemeName) {
-            systemTheme = st;
-            themeDebugLog() << "System theme has been determined to be:" << systemTheme;
+            widgetTheme = st;
+            themeDebugLog() << "System theme has been determined to be:" << widgetTheme;
             return;
         }
     }
     // fall back to fusion if we can't find the current theme.
-    systemTheme = "Fusion";
+    widgetTheme = "Fusion";
     themeDebugLog() << "System theme not found, defaulted to Fusion";
 }
 
+SystemTheme::SystemTheme(QString& styleName)
+{
+    themeName = styleName;
+    widgetTheme = styleName;
+    colorPalette = QApplication::palette();
+}
+
 void SystemTheme::apply(bool initial)
 {
     // See https://github.com/MultiMC/Launcher/issues/1790
@@ -76,22 +84,30 @@ void SystemTheme::apply(bool initial)
 
 QString SystemTheme::id()
 {
-    return "system";
+    return themeName;
 }
 
 QString SystemTheme::name()
 {
-    return QObject::tr("System");
+    if (themeName.toLower() == "windowsvista") {
+        return QObject::tr("Windows Vista");
+    } else if (themeName.toLower() == "windows") {
+        return QObject::tr("Windows 9x");
+    } else if (themeName.toLower() == "windows11") {
+        return QObject::tr("Windows 11");
+    } else {
+        return themeName;
+    }
 }
 
 QString SystemTheme::qtTheme()
 {
-    return systemTheme;
+    return widgetTheme;
 }
 
 QPalette SystemTheme::colorScheme()
 {
-    return systemPalette;
+    return colorPalette;
 }
 
 QString SystemTheme::appStyleSheet()

launcher/ui/themes/SystemTheme.h

@@ -39,6 +39,7 @@
 class SystemTheme : public ITheme {
    public:
     SystemTheme();
+    explicit SystemTheme(QString& themeName);
     virtual ~SystemTheme() {}
     void apply(bool initial) override;
 
@@ -53,6 +54,7 @@ class SystemTheme : public ITheme {
     QColor fadeColor() override;
 
    private:
-    QPalette systemPalette;
-    QString systemTheme;
+    QPalette colorPalette;
+    QString widgetTheme;
+    QString themeName;
 };

launcher/ui/themes/ThemeManager.cpp

@@ -23,6 +23,8 @@
 #include <QDirIterator>
 #include <QIcon>
 #include <QImageReader>
+#include <QStyleFactory>
+#include <QStyle>
 #include "Exception.h"
 #include "ui/themes/BrightTheme.h"
 #include "ui/themes/CatPack.h"
@@ -119,14 +121,30 @@ void ThemeManager::initializeIcons()
 
 void ThemeManager::initializeWidgets()
 {
+    themeDebugLog() << "Determining System Widget Theme...";
+    const auto& style = QApplication::style();
+    currentlySelectedSystemTheme = style->name();
+    themeDebugLog() << "System theme seems to be:" << currentlySelectedSystemTheme;
+
     themeDebugLog() << "<> Initializing Widget Themes";
-    themeDebugLog() << "Loading Built-in Theme:" << addTheme(std::make_unique<SystemTheme>());
+    //themeDebugLog() << "Loading Built-in Theme:" << addTheme(std::make_unique<SystemTheme>());
     auto darkThemeId = addTheme(std::make_unique<DarkTheme>());
     themeDebugLog() << "Loading Built-in Theme:" << darkThemeId;
     themeDebugLog() << "Loading Built-in Theme:" << addTheme(std::make_unique<BrightTheme>());
 
-    // TODO: need some way to differentiate same name themes in different subdirectories (maybe smaller grey text next to theme name in
-    // dropdown?)
+    themeDebugLog() << "<> Initializing System Themes";
+    QStringList styles = QStyleFactory::keys();
+    for (auto& st : styles) {
+#if Q_OS_WINDOWS
+        if (QSysInfo::productVersion() != "11" && st == "windows11") {
+            continue;
+        }
+#endif
+        themeDebugLog() << "Loading System Theme:" << addTheme(std::make_unique<SystemTheme>(st));
+    }
+
+    // TODO: need some way to differentiate same name themes in different subdirectories
+    //  (maybe smaller grey text next to theme name in dropdown?)
 
     if (!m_applicationThemeFolder.mkpath("."))
         themeWarningLog() << "Couldn't create theme folder";
@@ -238,7 +256,11 @@ void ThemeManager::applyCurrentlySelectedTheme(bool initial)
     auto settings = APPLICATION->settings();
     setIconTheme(settings->get("IconTheme").toString());
     themeDebugLog() << "<> Icon theme set.";
-    setApplicationTheme(settings->get("ApplicationTheme").toString(), initial);
+    auto applicationTheme = settings->get("ApplicationTheme").toString();
+    if (applicationTheme == "") {
+        applicationTheme = currentlySelectedSystemTheme;
+    }
+    setApplicationTheme(applicationTheme, initial);
     themeDebugLog() << "<> Application theme set.";
 }
 

launcher/ui/themes/ThemeManager.h

@@ -64,6 +64,7 @@ class ThemeManager {
     QDir m_applicationThemeFolder{ "themes" };
     QDir m_catPacksFolder{ "catpacks" };
     std::map<QString, std::unique_ptr<CatPack>> m_cat_packs;
+    QString currentlySelectedSystemTheme;
 
     void initializeThemes();
     void initializeCatPacks();