Make singleton

src/recurring.cpp

@@ -108,4 +108,7 @@ QDateTime Recurring::getNextPaymentDate(Schedule s) {
 
     return nextDate;
 
-}
+}
+
+// Singleton
+Recurring* Recurring::instance = nullptr;

src/recurring.h

@@ -37,12 +37,15 @@ struct RecurringPaymentInfo {
 class Recurring
 {
 public:
-    Recurring() = default;
+    static Recurring* getInstance() { if (!instance) { instance = new Recurring(); } return instance; }
 
-    static RecurringPaymentInfo*    getNewRecurringFromTx(QWidget* parent, MainWindow* main, Tx tx, RecurringPaymentInfo* rpi);
+    RecurringPaymentInfo*    getNewRecurringFromTx(QWidget* parent, MainWindow* main, Tx tx, RecurringPaymentInfo* rpi);
     
-    static QDateTime    getNextPaymentDate(Schedule s);
-    static void         updateInfoWithTx(RecurringPaymentInfo* r, Tx tx);
+    QDateTime    getNextPaymentDate(Schedule s);
+    void         updateInfoWithTx(RecurringPaymentInfo* r, Tx tx);
+private:
+    Recurring() = default;
+    static Recurring* instance;
 };
 
 

src/sendtab.cpp

@@ -103,7 +103,8 @@ void MainWindow::setupSendTab() {
 
 void MainWindow::editSchedule() {
     // Open the edit schedule dialog
-    RecurringPaymentInfo* recurringInfo = Recurring::getNewRecurringFromTx(this, this, createTxFromSendPage(), this->sendTxRecurringInfo);
+    RecurringPaymentInfo* recurringInfo = Recurring::getInstance()->getNewRecurringFromTx(this, this, 
+                                                createTxFromSendPage(), this->sendTxRecurringInfo);
     if (recurringInfo == nullptr) {
 
     }
@@ -505,7 +506,7 @@ bool MainWindow::confirmTx(Tx tx, RecurringPaymentInfo* rpi) {
 
     // Update the recurring info with the latest Tx
     if (rpi != nullptr) {
-        Recurring::updateInfoWithTx(rpi, tx);
+        Recurring::getInstance()->updateInfoWithTx(rpi, tx);
     }
 
     // Show a confirmation dialog