refact

InstructorsAndTrainees/instructors/dialogeditinstructor.cpp

@@ -3,6 +3,7 @@
 #include "hashtools.h"
 #include <QPushButton>
 #include <QRegExpValidator>
+#include <QToolTip>
 
 DialogEditInstructor::DialogEditInstructor(bool adminMode, QWidget *parent) :
     QDialog(parent),
@@ -144,3 +145,8 @@ void DialogEditInstructor::on_btnChangePassword_clicked()
 
     ui->editPassword->setFocus();
 }
+
+void DialogEditInstructor::on_editLogin_inputRejected()
+{
+    QToolTip::showText(QCursor::pos(),tr("Only Latin letters and numbers"));
+}