Build system changed to Cmake, ORM changed to QxORM, Qt6 compatibility.

core/autoform.h

@@ -16,13 +16,13 @@ template <class T>
 class AutoForm : public FormBinder<T>
 {
 public:
-    explicit AutoForm(QWidget *parent = 0) {
+    explicit AutoForm(QWidget *parent = nullptr) {
         this->setParent(parent);
         m_serviceConnected = false;
         m_saved = false;
     }
 
-    virtual ~AutoForm() { }
+    virtual ~AutoForm() = default;
 
     void setNewRec(bool isNew) {
         this->m_newRec = isNew;
@@ -37,11 +37,11 @@ public slots:
 
         if (!m_serviceConnected)
         {
-            this->connect(service(), &IService::dbError, [this](QString msg) {
+            this->connect(service(), &IService::dbError, [this](const QString& msg) {
                 QMessageBox::critical(this, this->tr("Database error"), msg.toStdString().c_str());
                 m_saved = false;
             });
-            this->connect(service(), &IService::permissionDenied, [this](QString permission) {
+            this->connect(service(), &IService::permissionDenied, [this](const QString& permission) {
                 if (permission != PERM_DELETE) {
                     QMessageBox::critical(this, this->tr("Permission denied"), permission.toStdString().c_str());
                     m_saved = false;
@@ -73,15 +73,15 @@ public slots:
 private:
     Service<T> *service() {
         IPlugin *plugin = Context::instance().plugin(this->pluginId());
-        if (plugin == NULL) {
+        if (plugin == nullptr) {
             Q_ASSERT(false);
-            return NULL;
+            return nullptr;
         }
 
         Service<T> *service = plugin->service<T>();
-        if (service == NULL) {
+        if (service == nullptr) {
             Q_ASSERT(false);
-            return NULL;
+            return nullptr;
         }
 
         return service;