Add support for signals

src/ui/itemwidget.h

@@ -1,5 +1,4 @@
-#ifndef RELAYWIDGET_H
-#define RELAYWIDGET_H
+#pragma once
 
 #include <QWidget>
 #include <memory>
@@ -7,52 +6,26 @@
 #include "itemsettingsdialog.h"
 #include "../items/item.h"
 
-namespace Ui
-{
-class ItemWidget;
-}
-
 class ItemWidget : public QWidget
 {
 	Q_OBJECT
-private:
+protected:
 	std::weak_ptr<Item> item_;
 
-	std::vector< std::unique_ptr<QShortcut> > shortcuts_;
-
-	void disable();
+	virtual void disable(){}
 
 signals:
 
 	void deleteRequest(const ItemData& item);
 
-private slots:
-	void setValue(int8_t value);
-	void moveToValue(int8_t value);
-	void deleteItem();
-
-	void stepUp();
-	void stepDown();
-
-	void f1(int state);
-	void f2(int state);
-	void f3(int state);
-	void f4(int state);
-	void reverse();
-
 public:
 	explicit ItemWidget(std::weak_ptr<Item> item, QWidget *parent);
 	std::weak_ptr<Item> getItem();
 	bool controles(const ItemData& relay);
 	~ItemWidget();
-	void setShortcuts(QKeySequence up, QKeySequence down, QKeySequence rev);
 
 public slots:
 
-	void stateChanged(int state);
-
-private:
-	Ui::ItemWidget *ui;
+	virtual void stateChanged(int state){(void)state;}
 };
 
-#endif // RELAYWIDGET_H