Better theme reset

Signed-off-by: TheKodeToad <TheKodeToad@proton.me>

launcher/Application.cpp

@@ -526,7 +526,7 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
         m_settings.reset(new INISettingsObject({ BuildConfig.LAUNCHER_CONFIGFILE, "polymc.cfg", "multimc.cfg" }, this));
 
         // Theming
-        m_settings->registerSetting("IconTheme", QString("pe_colored"));
+        m_settings->registerSetting("IconTheme", QString());
         m_settings->registerSetting("ApplicationTheme", QString());
         m_settings->registerSetting("BackgroundCat", QString("kitteh"));
 
@@ -801,7 +801,7 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
     }
 
     // Themes
-    m_themeManager = std::make_unique<ThemeManager>(m_mainWindow);
+    m_themeManager = std::make_unique<ThemeManager>();
 
     // initialize and load all instances
     {
@@ -893,8 +893,6 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
         }
     });
 
-    applyCurrentlySelectedTheme(true);
-
     updateCapabilities();
 
     if(createSetupWizard())
@@ -902,6 +900,7 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
         return;
     }
 
+    applyCurrentlySelectedTheme(true);
     performMainStartupAction();
 }
 
@@ -930,11 +929,21 @@ bool Application::createSetupWizard()
     }();
     bool languageRequired = settings()->get("Language").toString().isEmpty();
     bool pasteInterventionRequired = settings()->get("PastebinURL") != "";
-    bool themeInterventionRequired = settings()->get("ApplicationTheme") == "";
+    bool validWidgets = m_themeManager->isValidApplicationTheme(settings()->get("ApplicationTheme").toString());
+    bool validIcons = m_themeManager->isValidIconTheme(settings()->get("IconTheme").toString());
+    bool themeInterventionRequired = !validWidgets || !validIcons;
     bool wizardRequired = javaRequired || languageRequired || pasteInterventionRequired || themeInterventionRequired;
 
     if(wizardRequired)
     {
+        // set default theme after going into theme wizard
+        if (!validIcons)
+            settings()->set("IconTheme", QString("pe_colored"));
+        if (!validWidgets)
+            settings()->set("ApplicationTheme", QString("system"));
+
+        applyCurrentlySelectedTheme(true);
+
         m_setupWizard = new SetupWizard(nullptr);
         if (languageRequired)
         {
@@ -953,9 +962,9 @@ bool Application::createSetupWizard()
 
         if (themeInterventionRequired)
         {
-            settings()->set("ApplicationTheme", QString("system")); // set default theme after going into theme wizard
             m_setupWizard->addPage(new ThemeWizardPage(m_setupWizard));
         }
+
         connect(m_setupWizard, &QDialog::finished, this, &Application::setupWizardFinished);
         m_setupWizard->show();
         return true;

launcher/ui/themes/ThemeManager.cpp

@@ -29,9 +29,8 @@
 
 #include "Application.h"
 
-ThemeManager::ThemeManager(MainWindow* mainWindow)
+ThemeManager::ThemeManager()
 {
-    m_mainWindow = mainWindow;
     initializeThemes();
 }
 
@@ -169,33 +168,27 @@ QList<IconTheme*> ThemeManager::getValidIconThemes()
     return ret;
 }
 
-bool ThemeManager::setIconTheme(const QString& name)
+bool ThemeManager::isValidApplicationTheme(const QString& id)
+{
+    return !id.isEmpty() && m_themes.find(id) != m_themes.end();
+}
+
+bool ThemeManager::isValidIconTheme(const QString& id)
+{
+    return !id.isEmpty() && m_icons.find(id) != m_icons.end();
+}
+
+void ThemeManager::setIconTheme(const QString& name)
 {
     if (m_icons.find(name) == m_icons.end()) {
         themeWarningLog() << "Tried to set invalid icon theme:" << name;
-        return false;
+        return;
     }
 
     QIcon::setThemeName(name);
-    return true;
 }
 
-void ThemeManager::applyCurrentlySelectedTheme(bool initial)
+void ThemeManager::setApplicationTheme(const QString& name, bool initial)
-{
-    auto settings = APPLICATION->settings();
-    if (!setIconTheme(settings->get("IconTheme").toString())) {
-        APPLICATION->settings()->reset("IconTheme");
-        setIconTheme(settings->get("IconTheme").toString());
-    }
-    themeDebugLog() << "<> Icon theme set.";
-    if (!setApplicationTheme(settings->get("ApplicationTheme").toString(), initial)) {
-        APPLICATION->settings()->reset("ApplicationTheme");
-        setApplicationTheme(settings->get("ApplicationTheme").toString(), initial);
-    }
-    themeDebugLog() << "<> Application theme set.";
-}
-
-bool ThemeManager::setApplicationTheme(const QString& name, bool initial)
 {
     auto systemPalette = qApp->palette();
     auto themeIter = m_themes.find(name);
@@ -203,13 +196,20 @@ bool ThemeManager::setApplicationTheme(const QString& name, bool initial)
         auto& theme = themeIter->second;
         themeDebugLog() << "applying theme" << theme->name();
         theme->apply(initial);
-        return true;
     } else {
         themeWarningLog() << "Tried to set invalid theme:" << name;
-        return false;
     }
 }
 
+void ThemeManager::applyCurrentlySelectedTheme(bool initial)
+{
+    auto settings = APPLICATION->settings();
+    setIconTheme(settings->get("IconTheme").toString());
+    themeDebugLog() << "<> Icon theme set.";
+    setApplicationTheme(settings->get("ApplicationTheme").toString(), initial);
+    themeDebugLog() << "<> Application theme set.";
+}
+
 QString ThemeManager::getCatImage(QString catName)
 {
     QDateTime now = QDateTime::currentDateTime();

launcher/ui/themes/ThemeManager.h

@@ -35,13 +35,15 @@ inline auto themeWarningLog()
 
 class ThemeManager {
    public:
-    ThemeManager(MainWindow* mainWindow);
+    ThemeManager();
 
     QList<ITheme*> getValidApplicationThemes();
     QList<IconTheme*> getValidIconThemes();
-    bool setIconTheme(const QString& name);
+    bool isValidApplicationTheme(const QString& id);
+    bool isValidIconTheme(const QString& id);
     void applyCurrentlySelectedTheme(bool initial = false);
-    bool setApplicationTheme(const QString& name, bool initial = false);
+    void setIconTheme(const QString& name);
+    void setApplicationTheme(const QString& name, bool initial = false);
 
     /// <summary>
     /// Returns the cat based on selected cat and with events (Birthday, XMas, etc.)
@@ -53,7 +55,6 @@ class ThemeManager {
    private:
     std::map<QString, std::unique_ptr<ITheme>> m_themes;
     std::map<QString, IconTheme> m_icons;
-    MainWindow* m_mainWindow;
 
     void initializeThemes();
     QString addTheme(std::unique_ptr<ITheme> theme);