add the possibility to set maximum number of character

src/gui/UBTeacherGuideWidget.cpp

@@ -697,6 +697,7 @@ UBTeacherGuidePageZeroWidget::UBTeacherGuidePageZeroWidget(QWidget* parent, cons
 
     mpSessionTitle = new UBTGAdaptableText(0, this, "UBTGSessionTitle");
     mpSessionTitle->setPlaceHolderText(tr("Type session title here ..."));
+    mpSessionTitle->setMaximumLength(1000);
     mpButtonTitleLayout->addWidget(mpSessionTitle);
     connect(this, SIGNAL(resized()), mpSessionTitle, SLOT(onTextChanged()));
 

src/gui/UBTeacherGuideWidgetsTools.cpp

@@ -120,6 +120,7 @@ UBTGAdaptableText::UBTGAdaptableText(QTreeWidgetItem* widget, QWidget* parent, c
   , mMinimumHeight(0)
   , mHasPlaceHolder(false)
   , mIsUpdatingSize(false)
+  , mMaximumLength(0)
 {
     setObjectName(name);
     connect(this,SIGNAL(textChanged()),this,SLOT(onTextChanged()));
@@ -131,6 +132,11 @@ UBTGAdaptableText::UBTGAdaptableText(QTreeWidgetItem* widget, QWidget* parent, c
 
 }
 
+void UBTGAdaptableText::setMaximumLength(int length)
+{
+    mMaximumLength = length;
+}
+
 void UBTGAdaptableText::setPlaceHolderText(QString text)
 {
     mHasPlaceHolder = true;
@@ -166,6 +172,12 @@ void UBTGAdaptableText::keyReleaseEvent(QKeyEvent* e)
         setTextColor(QColor(Qt::lightGray));
         setPlainText(mPlaceHolderText);
     }
+    if(mMaximumLength && toPlainText().length()>mMaximumLength){
+        setPlainText(toPlainText().left(mMaximumLength));
+        QTextCursor tc(document());
+        tc.setPosition(mMaximumLength);
+        setTextCursor(tc);
+    }
 }
 
 void UBTGAdaptableText::showEvent(QShowEvent* e)
@@ -212,8 +224,10 @@ void UBTGAdaptableText::onTextChanged()
         setFocus();
     }
     mIsUpdatingSize = false;
+    
 
 }
+
 void UBTGAdaptableText::setInitialText(const QString& text)
 {
     setText(text);

src/gui/UBTeacherGuideWidgetsTools.h

@@ -97,6 +97,7 @@ public:
     void setPlaceHolderText(QString text);
     QString text();
     void setInitialText(const QString& text);
+    void setMaximumLength(int length);
 
 public slots:
     void onTextChanged();
@@ -113,6 +114,7 @@ private:
     bool mHasPlaceHolder;
     QString mPlaceHolderText;
     bool mIsUpdatingSize;
+    int mMaximumLength;
 };