Apply shell theme with gnome

app/src/handlers/systemhandler.cpp

@@ -99,7 +99,11 @@ bool SystemHandler::isApplicableType(const QString &installType) const
         applicableTypes << "wallpapers";
     }
     else if (desktop == "gnome") {
-        applicableTypes << "wallpapers" << "icons" << "cursors" << "gtk3_themes";
+        applicableTypes << "wallpapers"
+                        << "icons"
+                        << "cursors"
+                        << "gtk3_themes"
+                        << "gnome_shell_themes";
     }
     else if (desktop == "xfce") {
         applicableTypes << "wallpapers";
@@ -132,6 +136,9 @@ bool SystemHandler::applyFile(const QString &path, const QString &installType) c
             else if (installType == "gtk3_themes") {
                 return applyGnomeGtk3Theme(path);
             }
+            else if (installType == "gnome_shell_themes") {
+                return applyGnomeGnomeShellTheme(path);
+            }
         }
         else if (desktop == "xfce") {
             if (installType == "wallpapers") {
@@ -199,6 +206,13 @@ bool SystemHandler::applyGnomeGtk3Theme(const QString &path) const
     return QProcess::startDetached("gsettings", arguments);
 }
 
+bool SystemHandler::applyGnomeGnomeShellTheme(const QString &path) const
+{
+    auto themeName = QFileInfo(path).fileName();
+    QStringList arguments{"set", "org.gnome.shell.extensions.user-theme", "name", themeName};
+    return QProcess::startDetached("gsettings", arguments);
+}
+
 bool SystemHandler::applyXfceWallpaper(const QString &path) const
 {
     auto message = QDBusMessage::createMethodCall("org.xfce.Xfconf", "/org/xfce/Xfconf", "org.xfce.Xfconf", "SetProperty");

app/src/handlers/systemhandler.h

@@ -29,6 +29,7 @@ private:
     bool applyGnomeIcon(const QString &path) const;
     bool applyGnomeCursor(const QString &path) const;
     bool applyGnomeGtk3Theme(const QString &path) const;
+    bool applyGnomeGnomeShellTheme(const QString &path) const;
 
     bool applyXfceWallpaper(const QString &path) const;
 #endif