added busy flag into mainscreen

main/mainscreen.cpp

@@ -5,7 +5,7 @@
 MainScreen::MainScreen(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainScreen)
 {
     ui->setupUi(this);
-
+    this->isBlocked = false;
     //Login Tab
     iconPix.load(":/icons/iconX.png");
     ui->pswdLineEdit->setEchoMode((QLineEdit::Password));
@@ -57,6 +57,9 @@ MainScreen::~MainScreen()
 //EVENTS ON LOGIN TAB
 void MainScreen::on_loginButton_clicked()
 {
+    if (!isBusy())
+    {
+        lock();
         qDebug() << Q_FUNC_INFO <<  "in: " << ui->tabWidget->currentWidget()->objectName();
         if ((ui->usrnmLineEdit->text().isEmpty()) || (ui->pswdLineEdit->text().isEmpty()))
         {
@@ -82,7 +85,6 @@ void MainScreen::on_loginButton_clicked()
             ui->labelPswInputStatus->setVisible(false);
         }
         qDebug() << Q_FUNC_INFO <<  "login session start";
-  QApplication::setOverrideCursor(Qt::WaitCursor);
         if (this->loginHandel->login(ui->usrnmLineEdit->text(),ui->pswdLineEdit->text()) == true)
         {
             qDebug() << Q_FUNC_INFO <<  "login session end with true";
@@ -102,7 +104,10 @@ void MainScreen::on_loginButton_clicked()
             ui->usrnmLineEdit->setDisabled(false);
 
         }
-  QApplication::restoreOverrideCursor();
+        unlock();
+    }
+
+
 }
 void MainScreen::on_keepLogin_clicked()
 {
@@ -126,6 +131,9 @@ void MainScreen::on_usrnmLineEdit_editingFinished()
 void MainScreen::on_ratesButton_clicked()
 {
     qDebug() << Q_FUNC_INFO <<  "in: " << ui->tabWidget->currentWidget()->objectName();
+    if (!isBusy())
+    {
+        lock();
         if (!checkIfValidDates())
         {
             qWarning() << Q_FUNC_INFO << "Invalid dates! return";
@@ -134,7 +142,6 @@ void MainScreen::on_ratesButton_clicked()
         }
         QString pageString;
         int status = 0;
-  QApplication::setOverrideCursor(Qt::WaitCursor);
         if (loginHandel->isLoggedInFlag())
         {
             statusBar->setIconConnectionStatus(jceStatusBar::Ready);
@@ -162,7 +169,8 @@ void MainScreen::on_ratesButton_clicked()
                 qCritical() << Q_FUNC_INFO << "grade get ended with" << status;
             }
         }
-  QApplication::restoreOverrideCursor();
+        unlock();
+    }
 }
 bool MainScreen::checkIfValidDates()
 {
@@ -232,14 +240,15 @@ void MainScreen::on_graphButton_clicked()
 void MainScreen::on_examsBtn_clicked()
 {
     calendar->showExamDialog();
-
 }
 void MainScreen::on_getCalendarBtn_clicked()
 {
     qDebug() << Q_FUNC_INFO <<  "in: " << ui->tabWidget->currentWidget()->objectName();
+    if (!isBusy())
+    {
+        lock();
         int status = 0;
         QString page;
-  QApplication::setOverrideCursor(Qt::WaitCursor);
         if (loginHandel->isLoggedInFlag())
         {
             if ((status = loginHandel->makeCalendarRequest(ui->spinBoxYear->value(),ui->spinBoxSemester->value())) == jceLogin::JCE_PAGE_PASSED)
@@ -282,7 +291,8 @@ void MainScreen::on_getCalendarBtn_clicked()
                     qCritical() << Q_FUNC_INFO << "calendar get ended with" << status;
             }
         }
-  QApplication::restoreOverrideCursor();
+        unlock();
+    }
 }
 void MainScreen::on_exportToCVSBtn_clicked()
 {
@@ -392,9 +402,26 @@ void MainScreen::checkLocale()
     }
 }
 
+//MAIN SCREEN
 void MainScreen::on_labelMadeBy_linkActivated(const QString &link)
 {
     qDebug() << Q_FUNC_INFO << "link: " << link;
 }
-
+/**
-
+ * @brief MainScreen::lock
+ * turn isblocked into true to avoid multiple requests and to cause errors
+ */
+void MainScreen::lock()
+{
+    QApplication::setOverrideCursor(Qt::WaitCursor);
+    this->isBlocked = true;
+}
+void MainScreen::unlock()
+{
+    QApplication::restoreOverrideCursor();
+    this->isBlocked = false;
+}
+bool MainScreen::isBusy()
+{
+    return this->isBlocked;
+}

main/mainscreen.h

@@ -66,8 +66,14 @@ private:
     void checkLocale();
     bool checkIfValidDates();
 
+    bool isBusy();
+    void lock();
+    void unlock();
+
     Ui::MainScreen *ui;
 
+    bool isBlocked;
+
     QPixmap iconPix;
     user *userLoginSetting;
     SaveData *data;