Fixed label update on clicking OK in pattern properties dialog and the label is hidden when there is no text on it

--HG--
branch : feature

src/app/valentina/dialogs/dialogpatternproperties.cpp

@@ -188,6 +188,9 @@ DialogPatternProperties::DialogPatternProperties(const QString &filePath, VPatte
     connect(ui->lineEditPatternNumber, &QLineEdit::editingFinished, this, &DialogPatternProperties::GeneralInfoChanged);
     connect(ui->lineEditCompanyName, &QLineEdit::editingFinished, this, &DialogPatternProperties::GeneralInfoChanged);
     connect(ui->lineEditCustomerName, &QLineEdit::editingFinished, this, &DialogPatternProperties::GeneralInfoChanged);
+    connect(ui->lineEditSize, &QLineEdit::editingFinished, this, &DialogPatternProperties::GeneralInfoChanged);
+    connect(ui->checkBoxShowDate, &QCheckBox::stateChanged, this, &DialogPatternProperties::GeneralInfoChanged);
+    connect(ui->checkBoxShowMeasurements, &QCheckBox::stateChanged, this, &DialogPatternProperties::GeneralInfoChanged);
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/libs/vtools/tools/vtextgraphicsitem.cpp

@@ -293,6 +293,16 @@ void VTextGraphicsItem::UpdateData(const VAbstractPattern* pDoc)
     m_tm.Update(pDoc);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief VTextGraphicsItem::GetTextLines returns the number of lines of text to show
+ * @return number of lines of text
+ */
+int VTextGraphicsItem::GetTextLines() const
+{
+    return m_tm.GetCount();
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief VTextGraphicsItem::GetFontSize returns the currently used text base font size

src/libs/vtools/tools/vtextgraphicsitem.h

@@ -69,6 +69,7 @@ public:
     bool                IsContained(QRectF rectBB, qreal dRot, qreal& dX, qreal& dY) const;
     void                UpdateData(const QString& qsName, const VPatternPieceData& data);
     void                UpdateData(const VAbstractPattern* pDoc);
+    int                 GetTextLines() const;
 
 protected:
     void                mousePressEvent(QGraphicsSceneMouseEvent* pME);

src/libs/vtools/tools/vtooldetail.cpp

@@ -748,7 +748,14 @@ void VToolDetail::UpdatePatternInfo()
         patternInfo->setPos(pt);
         patternInfo->setRotation(geom.GetRotation());
         patternInfo->Update();
-        patternInfo->show();
+        if (patternInfo->GetTextLines() > 0)
+        {
+            patternInfo->show();
+        }
+        else
+        {
+            patternInfo->hide();
+        }
     }
     else
     {