refact

InstructorsAndTrainees/trainees/dialogedittrainee.cpp

@@ -3,6 +3,7 @@
 #include "hashtools.h"
 #include <QPushButton>
 #include <QRegExpValidator>
+#include <QToolTip>
 
 DialogEditTrainee::DialogEditTrainee(bool adminMode, QWidget *parent) :
     QDialog(parent),
@@ -137,3 +138,8 @@ void DialogEditTrainee::on_btnChangePassword_clicked()
 
     ui->editPassword->setFocus();
 }
+
+void DialogEditTrainee::on_editLogin_inputRejected()
+{
+    QToolTip::showText(QCursor::pos(),tr("Only Latin letters and numbers"));
+}

InstructorsAndTrainees/trainees/dialogedittrainee.h

@@ -34,6 +34,8 @@ private slots:
 
     void on_btnChangePassword_clicked();
 
+    void on_editLogin_inputRejected();
+
 private:
     void verify();