switch to signed values for items

src/items/item.cpp

@@ -3,7 +3,7 @@
 
 #include <QJsonArray>
 
-ItemData::ItemData(uint32_t itemIdIn, QString name, uint8_t value): name_(name), value_(value), itemId_(itemIdIn)
+ItemData::ItemData(uint32_t itemIdIn, QString name, int8_t value): name_(name), value_(value), itemId_(itemIdIn)
 {
 
 }
@@ -18,7 +18,7 @@ void ItemData::setName(QString name)
     name_ = name;
 }
 
-uint8_t ItemData::getValue() const
+int8_t ItemData::getValue() const
 {
     return value_;
 }
@@ -31,7 +31,7 @@ uint32_t ItemData::id() const
 
 //item
 
-Item::Item(uint32_t itemIdIn, QString name, uint8_t value,  QObject *parent): QObject(parent), ItemData (itemIdIn, name, value)
+Item::Item(uint32_t itemIdIn, QString name, int8_t value,  QObject *parent): QObject(parent), ItemData (itemIdIn, name, value)
 {
 
 }
@@ -50,13 +50,13 @@ void Item::setFunction(uint8_t function, bool on)
     functionChanged(function, on);
 }
 
-void Item::setValue(uint8_t value)
+void Item::setValue(int8_t value)
 {
     value_ = value;
     valueChanged(value_);
 }
 
-void Item::informValue(uint8_t value)
+void Item::informValue(int8_t value)
 {
     Item::setValue(value);
 }

src/items/item.h

@@ -12,12 +12,12 @@ class ItemData
 {
 protected:
     QString name_;
-    uint8_t value_;
+	int8_t value_;
     uint32_t itemId_;
 
 public:
 
-    ItemData(uint32_t itemIdIn = QRandomGenerator::global()->generate(), QString name = "Item", uint8_t value = 0);
+	ItemData(uint32_t itemIdIn = QRandomGenerator::global()->generate(), QString name = "Item", int8_t value = 0);
 
     inline bool operator==(const ItemData& in) const{ return itemId_==in.itemId_; }
     inline bool operator!=(const ItemData& in) const{ return itemId_!=in.itemId_; }
@@ -25,7 +25,7 @@ public:
     uint32_t id() const;
 
     void setName(QString name);
-    uint8_t getValue() const;
+	int8_t getValue() const;
     virtual QString getName() const;
 };
 
@@ -37,22 +37,22 @@ private:
 
 signals:
 
-    void valueChanged(uint8_t value);
-    void functionChanged(uint8_t function, bool on);
+	void valueChanged(int8_t value);
+	void functionChanged(uint8_t function, bool on);
 
 public slots:
 
-    virtual void setValue(uint8_t value);
+	virtual void setValue(int8_t value);
     virtual void setFunction(uint8_t funciton, bool value);
 
 public:
 
-    Item(uint32_t itemIdIn = QRandomGenerator::global()->generate(), QString name = "Item", uint8_t value = 0,  QObject *parent = nullptr);
+	Item(uint32_t itemIdIn = QRandomGenerator::global()->generate(), QString name = "Item", int8_t value = 0,  QObject *parent = nullptr);
     Item(const ItemData& itemData,  QObject *parent = nullptr);
 
     virtual ~Item();
 
-    void informValue(uint8_t value);
+	void informValue(int8_t value);
 
 };
 

src/items/train.cpp

@@ -17,7 +17,7 @@ void Train::setFunction(uint8_t funciton, bool value)
         micro->trainSetFunction(train_id_, funciton, value);
 }
 
-void Train::setValue(uint8_t value)
+void Train::setValue(int8_t value)
 {
     Item::setValue(value);
     if(micro)

src/items/train.h

@@ -18,8 +18,8 @@ public:
 
 public slots:
     void reverse();
-    virtual void setFunction(uint8_t function, bool on);
-    virtual void setValue(uint8_t value);
+	virtual void setFunction(uint8_t function, bool on);
+	virtual void setValue(int8_t value);
     uint8_t getTrainId(){return train_id_;}
 };
 

src/items/turnout.cpp

@@ -9,7 +9,7 @@ Turnout::Turnout(uint8_t id, uint8_t address, uint8_t subaddress)
     name_ = QString("Turnout ")+QString::number(id);
 }
 
-void Turnout::setValue(uint8_t value)
+void Turnout::setValue(int8_t value)
 {
     Item::setValue(value);
     if(micro)

src/items/turnout.h

@@ -12,7 +12,7 @@ public:
     static Microcontroller *micro;
 
     explicit Turnout(uint8_t id = 0, uint8_t address = 0, uint8_t subaddress = 0);
-    virtual void setValue(uint8_t value);
+	virtual void setValue(int8_t value);
     uint8_t getTurnoutId(){return turnoutId_;}
 };