thermostat: shutdown heaters if sensor is not available

soft/thermostat/inc/zoneitem.h

@@ -26,6 +26,7 @@ public:
 	double m_temperature_value;
 	double m_hygro_value;
 	double m_target_temperature;
+	bool m_available;
 	bool m_heating_on;
 
 private:

soft/thermostat/src/mainwindow.cpp

@@ -175,6 +175,9 @@ bool MainWindow::get_heater_order(int room_idx)
 	if (m_zones.at(room_idx)->m_temperature_value == FORCE_OFF) {
 		goto out;
 	}
+	if (!m_zones.at(room_idx)->m_available) {
+		goto out;
+	}
 
 	/* TODO: make it smarter */
 	if (qFabs(get_target_temperature(room_idx)
@@ -292,10 +295,13 @@ void MainWindow::availability_slot(int idx, bool ok)
 {
 	Settings *s = Settings::getInstance();
 
-	if ((idx < s->nbZones()) && !ok) {
-		m_zones.at(idx)->m_hygro_value = 0;
-		m_zones.at(idx)->m_temperature_value = 0;
-		m_zones.at(idx)->refresh();
+	if (idx < s->nbZones()) {
+		m_zones.at(idx)->m_available = ok;
+		if (!ok) {
+			m_zones.at(idx)->m_hygro_value = 0;
+			m_zones.at(idx)->m_temperature_value = 0;
+			m_zones.at(idx)->refresh();
+		}
 	}
 }
 

soft/thermostat/src/zoneitem.cpp

@@ -26,6 +26,7 @@ ZoneItem::ZoneItem(const QString &zoneName, QWidget *parent) :
 	m_temperature_value = FORCE_OFF;
 	m_hygro_value = FORCE_OFF;
 	m_target_temperature = FORCE_OFF;
+	m_available = false;
 
 	/*
 	 * Layout for the left part of the window