Load Plugins from QStandardPaths::AppDataLocation

src/plugins/PluginManager.cpp

@@ -11,6 +11,7 @@
 #include <QDir>
 #include <QCoreApplication>
 #include <QPluginLoader>
+#include <QStandardPaths>
 
 Q_GLOBAL_STATIC(PluginManager, uniqueInstance)
 
@@ -31,27 +32,26 @@ void PluginManager::loadPlugins()
 {
     assert(plugins.isEmpty());
 
-    QDir pluginsDir(qApp->applicationDirPath());
-#if defined(Q_OS_WIN)
-    if (pluginsDir.dirName().toLower() == "debug" || pluginsDir.dirName().toLower() == "release")
-        pluginsDir.cdUp();
-#elif defined(Q_OS_MAC)
-    if (pluginsDir.dirName() == "MacOS") {
-        pluginsDir.cdUp();
-        pluginsDir.cdUp();
-        pluginsDir.cdUp();
+    QStringList locations = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation);
+    if (locations.isEmpty()) {
+        qCritical() << "Failed to get a standard path to load plugins from.";
+        return;
     }
-#endif
+    QDir pluginsDir(locations.first());
+
+    pluginsDir.mkdir("plugins");
     if (!pluginsDir.cd("plugins")) {
         return;
     }
 
     QDir nativePluginsDir = pluginsDir;
+    nativePluginsDir.mkdir("native");
     if (nativePluginsDir.cd("native")) {
         loadNativePlugins(nativePluginsDir);
     }
 
     QDir pythonPluginsDir = pluginsDir;
+    pythonPluginsDir.mkdir("python");
     if (pythonPluginsDir.cd("python")) {
         loadPythonPlugins(pythonPluginsDir.absolutePath());
     }