First runnable version

src/model/Operation.hpp

@@ -21,6 +21,7 @@
 #define OPERATION_H
 
 #include <vector>
+#include <QString>
 
 struct Operation {
     int id;
@@ -29,13 +30,13 @@ struct Operation {
     unsigned int month;
     unsigned int year;
     double amount;
-    std::string description;
+    QString description;
     int category;
     bool fix_cost;
     int account;
     bool checked;
     int transfert;
-    std::string formula;
+    QString formula;
     bool meta;
     bool _virtual;
     std::vector<int> childs;