thermostat: zoneitem: implement long_clicked signal

soft/thermostat/inc/zoneitem.h

@@ -11,6 +11,7 @@
 
 #include <QObject>
 #include <QLabel>
+#include <QElapsedTimer>
 
 #include "boost_dlg.h"
 
@@ -34,9 +35,12 @@ public:
 
 signals:
 	void clicked();
+	void long_clicked();
 
 protected:
+	void mousePressEvent(QMouseEvent* event);
 	void mouseReleaseEvent(QMouseEvent* event);
+	QElapsedTimer m_click_chrono;
 };
 
 #endif // ZONEITEM_H

soft/thermostat/src/zoneitem.cpp

@@ -46,9 +46,21 @@ ZoneItem::~ZoneItem()
 {
 }
 
+void ZoneItem::mousePressEvent(QMouseEvent* event)
+{
+	Q_UNUSED(event);
+
+	m_click_chrono.start();
+}
+
 void ZoneItem::mouseReleaseEvent(QMouseEvent* event) {
-	(void)event;
-	emit clicked();
+	Q_UNUSED(event);
+
+	if (m_click_chrono.elapsed() > 1000) {
+		emit long_clicked();
+	} else {
+		emit clicked();
+	}
 }
 
 void ZoneItem::refresh(void)