implement joystick item switching

src/items/itemstore.cpp

@@ -1,6 +1,8 @@
 #include "itemstore.h"
 #include <QJsonArray>
 #include <QDebug>
+#include "train.h"
+#include "../trainjs.h"
 
 ItemStore::ItemStore(QObject *parent): QObject(parent)
 {
@@ -19,11 +21,54 @@ void ItemStore::addItem(std::shared_ptr<Item> item)
     if(!mached)
     {
         items_.push_back(std::shared_ptr<Item>(item));
+
+		if(dynamic_cast<Train*>(item.get()))
+		{
+			std::vector<std::shared_ptr<TrainJs>> joysticks = TrainJs::getJsDevices();
+			for(auto joystick: joysticks)
+			{
+				if(!joystick->itemIsSet())
+				{
+					joystick->setItem(item);
+					connect(joystick.get(), &TrainJs::reqNewItem, this, &ItemStore::jsReqNewItem);
+					break;
+				}
+			}
+		}
+
         itemAdded(std::weak_ptr<Item>(items_.back()));
     }
     qDebug()<<"Got item: "<<item->id()<<" matched: "<<mached;
 }
 
+void ItemStore::jsReqNewItem()
+{
+	if(items_.empty())
+		return;
+
+	qDebug()<<__func__<<"new item requested";
+
+	std::vector<std::shared_ptr<TrainJs>> joysticks = TrainJs::getJsDevices();
+	for(auto joystick: joysticks)
+	{
+		if(joystick->getWantsNewItem())
+		{
+			std::shared_ptr<Item> oldItem = joystick->getItem().lock();
+			for(size_t i = 0; i < items_.size(); ++i)
+			{
+				if(!oldItem || *items_[i] == *oldItem)
+				{
+					if(i+1 < items_.size())
+						joystick->setItem(items_[i+1]);
+					else
+						joystick->setItem(items_[0]);
+					break;
+				}
+			}
+		}
+	}
+}
+
 void ItemStore::addItems(const std::vector<std::shared_ptr<Item>>& itemIn)
 {
     for(unsigned j = 0; j < itemIn.size(); j++)

src/items/itemstore.h

@@ -20,6 +20,10 @@ public:
 
     void clear();
 
+private slots:
+
+	void jsReqNewItem();
+
 signals:
 
     void itemDeleted(ItemData item);

src/items/turnout.cpp

@@ -14,5 +14,5 @@ void Turnout::setValue(int8_t value)
 {
     Item::setValue(value);
     if(micro)
-        micro->tunoutSetDirection(turnoutId_, value);
+		micro->tunoutSetDirection(turnoutId_, value > 0);
 }