slider and precision improved

src/parameter/parameterslider.cpp

@@ -2,9 +2,12 @@
 
 ParameterSlider::ParameterSlider(ParameterObject *parameterobject, bool showDescription)
 {
+    this->pressed=true;
     object=parameterobject;
     setName(QString::fromStdString(object->name));
     setValue();
+    connect(slider,SIGNAL(sliderPressed()),this,SLOT(onPressed()));
+    connect(slider,SIGNAL(sliderReleased()),this,SLOT(onReleased()));
     connect(slider,SIGNAL(valueChanged(int)),this,SLOT(onChanged(int)));
     if(showDescription==true){
         setDescription(object->description);
@@ -16,11 +19,13 @@ ParameterSlider::ParameterSlider(ParameterObject *parameterobject, bool showDesc
 
 void ParameterSlider::onChanged(int)
 {
-    object->focus=true;
     double v = slider->value()*step;
     this->labelSliderValue->setText(QString::number(v, 'f', decimalPrecision));
-    object->value = ValuePtr(v);
-    emit changed();
+    if(this->pressed){
+        object->focus=true;
+        object->value = ValuePtr(v);
+        emit changed();
+    }
 }
 
 void ParameterSlider::setParameterFocus()
@@ -29,13 +34,24 @@ void ParameterSlider::setParameterFocus()
    object->focus=false;
 }
 
+void ParameterSlider::onPressed(){
+    this->pressed=false;
+}
+
+void ParameterSlider::onReleased(){
+    this->pressed=true;
+    onChanged(0);
+}
 
 void ParameterSlider::setValue()
 {
-
-    setPrecision(object->values->toRange().step_value());
-    step=object->values->toRange().step_value();
-
+    if(object->values->toRange().step_value()>0){
+        setPrecision(object->values->toRange().step_value());
+        step=object->values->toRange().step_value();
+    }else{
+        decimalPrecision=1;
+        step=1;
+    }
     int min = object->values->toRange().begin_value()/step;
     int max=object->values->toRange().end_value()/step;
     int current=object->value->toDouble()/step;

src/parameter/parameterslider.h

@@ -13,9 +13,11 @@ public:
 
 private:
     double step;
-
+    bool pressed;
 protected slots:
     void onChanged(int);
+    void onReleased();
+    void onPressed();
 };
 
 #endif // PARAMETERSLIDER_H

src/parameter/parameterspinbox.cpp

@@ -28,14 +28,20 @@ void ParameterSpinBox::setParameterFocus()
 }
 
 void ParameterSpinBox::setValue(){
-    setPrecision(object->value->toDouble());
+
+    if(object->values->toDouble()>0){
+         setPrecision(object->values->toDouble());
+        this->doubleSpinBox1->setSingleStep(object->values->toDouble());
+    }
+    else{
+         setPrecision(object->defaultValue->toDouble());
+         this->doubleSpinBox1->setSingleStep(1/pow(10,decimalPrecision));
+    }
     this->doubleSpinBox1->setDecimals(decimalPrecision);
     this->stackedWidget->setCurrentWidget(this->pageVector);
     this->doubleSpinBox1->setRange(object->value->toDouble()-1000,object->value->toDouble()+1000);
     this->doubleSpinBox1->setValue(object->value->toDouble());
-    if(object->values->toDouble()>0){
-        this->doubleSpinBox1->setSingleStep(object->values->toDouble());
-    }
+
     this->doubleSpinBox2->hide();
     this->doubleSpinBox3->hide();
     this->doubleSpinBox4->hide();

src/parameter/parametervirtualwidget.cpp

@@ -17,22 +17,12 @@ void ParameterVirtualWidget::setPrecision(double number){
     long double diff, rn; //rn stands for real number
     unsigned long long intNumber, multi = 1;
     number=abs(number);
-    while(1){
-        rn=number/multi;
-        intNumber=rn;
-        if(intNumber==0){
-            break;
-        }
-        beforeDecimal++;
-        multi=multi*10;
-    }
-    multi=1;
     while(1)
     {
         rn = (number * multi);
         intNumber = rn;  //the fractional part will be truncated here
         diff = rn - intNumber;
-        if(diff == 0 || decimalPrecision>15-beforeDecimal){
+        if(diff <=0.0 || decimalPrecision>6){
             break;
         }
         multi = multi * 10;