patch ui

QuantiDialog.cpp

@@ -6,13 +6,20 @@ QuantiDialog::QuantiDialog(QWidget* parent)
 	: QDialog(parent)
 	, Ui::QuantiDialog()
 {
-	
+
 	setupUi(this);
 	//connect(area_quanti, static_cast<void(QSpinBox::*)(double)>(&QSpinBox::valueChanged), this, SLOT(QuantiDialog::updateLabe()));
-	
+
 	//connect(area_quanti, SIGNAL(valueChanged(int)), this, &QuantiDialog::updateLabelValue);
-	//connect(area_quanti, static_cast<void(QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), this, &QuantiDialog::updateLabelValue);
-	
-		
-	
+
+	connect(area_quanti, static_cast<void(QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), this, &QuantiDialog::updateLabelValues);
+
+
+}
+/*
+	Method applied after entering a value in RGB text fields
+*/
+void QuantiDialog::updateLabelValues()
+{
+	nb_color_label->setText(QString::fromStdString(std::to_string(static_cast<int>(pow(area_quanti->value(), 3)))));
 }

QuantiDialog.h

@@ -9,15 +9,12 @@
 
 class QuantiDialog : public QDialog, public Ui::QuantiDialog
 {
-Q_OBJECT
+	Q_OBJECT
 public:
 	explicit QuantiDialog(QWidget* parent = 0);
 
 
 public slots:
-	void updateLabelValue(double value) {
-		nb_color_label->setText(QString::fromStdString(std::to_string(value * value)));
-	}
+	void updateLabelValues();
 };
-
 #endif 

QuantiDialog.ui

@@ -50,12 +50,15 @@
      </widget>
     </item>
     <item>
-     <widget class="QSpinBox" name="area_quanti">
+     <widget class="QDoubleSpinBox" name="area_quanti">
+      <property name="decimals">
+       <number>0</number>
+      </property>
       <property name="minimum">
-       <number>1</number>
+       <double>1.000000000000000</double>
       </property>
       <property name="maximum">
-       <number>255</number>
+       <double>255.000000000000000</double>
       </property>
      </widget>
     </item>
@@ -111,6 +114,9 @@
       <property name="alignment">
        <set>Qt::AlignCenter</set>
       </property>
+      <property name="margin">
+       <number>0</number>
+      </property>
      </widget>
     </item>
     <item>