QString::toAscii() doesn't exist in Qt5, using toLatin1() instead.

src/GAudioOutput.cc

@@ -223,7 +223,7 @@ bool GAudioOutput::say(QString text, int severity)
             text = "\\" + text;
             QStdWString str = text.toStdWString();
             unsigned char str2[1024] = {};
-            memcpy(str2, text.toAscii().data(), str.length());
+            memcpy(str2, text.toLatin1().data(), str.length());
             SpeakString(str2);
             res = true;
 #endif // Q_OS_MAC

src/comm/QGCFlightGearLink.cc

@@ -236,7 +236,7 @@ void QGCFlightGearLink::updateControls(quint64 time, float rollAilerons, float p
     {
         QString state("%1\t%2\t%3\t%4\t%5\n");
         state = state.arg(rollAilerons).arg(pitchElevator).arg(yawRudder).arg(true).arg(throttle);
-        writeBytes(state.toAscii().constData(), state.length());
+        writeBytes(state.toLatin1().constData(), state.length());
         //qDebug() << "Updated controls" << rollAilerons << pitchElevator << yawRudder << throttle;
         //qDebug() << "Updated controls" << state;
     }

src/comm/QGCJSBSimLink.cc

@@ -257,7 +257,7 @@ void QGCJSBSimLink::updateControls(quint64 time, float rollAilerons, float pitch
     {
         QString state("%1\t%2\t%3\t%4\t%5\n");
         state = state.arg(rollAilerons).arg(pitchElevator).arg(yawRudder).arg(true).arg(throttle);
-        writeBytes(state.toAscii().constData(), state.length());
+        writeBytes(state.toLatin1().constData(), state.length());
     }
     else
     {

src/comm/QGCParamID.h

@@ -72,7 +72,7 @@ public:
         return static_cast<const QString>(data);
     }
     int8_t* toInt8_t() const {
-        return (int8_t*)data.toAscii().data();
+        return (int8_t*)data.toLatin1().data();
     }
 
 protected:

src/comm/QGCXPlaneLink.cc

@@ -226,8 +226,8 @@ void QGCXPlaneLink::run()
     }
 
     ip.index = 0;
-    strncpy(ip.str_ipad_them, localAddrStr.toAscii(), qMin((int)sizeof(ip.str_ipad_them), 16));
-    strncpy(ip.str_port_them, localPortStr.toAscii(), qMin((int)sizeof(ip.str_port_them), 6));
+    strncpy(ip.str_ipad_them, localAddrStr.toLatin1(), qMin((int)sizeof(ip.str_ipad_them), 16));
+    strncpy(ip.str_port_them, localPortStr.toLatin1(), qMin((int)sizeof(ip.str_port_them), 6));
     ip.use_ip = 1;
 
     writeBytes((const char*)&ip, sizeof(ip));

src/comm/XbeeLink.cpp

@@ -73,7 +73,7 @@ bool XbeeLink::setPortName(QString portName)
 		m_portName = new char[this->m_portNameLength];
 		for(int i=0;i<list[0].size();i++)
 		{
-			this->m_portName[i]=list[0][i].toAscii();
+			this->m_portName[i]=list[0][i].toLatin1();
 		}
 		this->m_portName[list[0].size()] = '\0';
 	}

src/uas/UAS.cc

@@ -2563,7 +2563,7 @@ void UAS::setParameter(const int compId, const QString& paramId, const QVariant&
             switch ((int)value.type())
             {
             case QVariant::Char:
-                union_value.param_float = (unsigned char)value.toChar().toAscii();
+                union_value.param_float = (unsigned char)value.toChar().toLatin1();
                 p.param_type = MAV_PARAM_TYPE_INT8;
                 break;
             case QVariant::Int:
@@ -2588,7 +2588,7 @@ void UAS::setParameter(const int compId, const QString& paramId, const QVariant&
             switch ((int)value.type())
             {
             case QVariant::Char:
-                union_value.param_int8 = (unsigned char)value.toChar().toAscii();
+                union_value.param_int8 = (unsigned char)value.toChar().toLatin1();
                 p.param_type = MAV_PARAM_TYPE_INT8;
                 break;
             case QVariant::Int:
@@ -2621,7 +2621,7 @@ void UAS::setParameter(const int compId, const QString& paramId, const QVariant&
             // String characters
             if ((int)i < paramId.length())
             {
-                p.param_id[i] = paramId.toAscii()[i];
+                p.param_id[i] = paramId.toLatin1()[i];
             }
             else
             {

src/ui/MainWindow.cc

@@ -1185,7 +1185,7 @@ void MainWindow::saveScreen()
 
     if (!screenFileName.isEmpty())
     {
-        window.save(screenFileName, format.toAscii());
+        window.save(screenFileName, format.toLatin1());
     }
 }
 void MainWindow::enableDockWidgetTitleBars(bool enabled)

src/ui/map3D/Q3DWidget.cc

@@ -254,7 +254,7 @@ Q3DWidget::handleKeyPressEvent(QKeyEvent* event)
     {
         mOsgGW->getEventQueue()->keyPress(
             static_cast<osgGA::GUIEventAdapter::KeySymbol>(
-                *(event->text().toAscii().data())));
+                *(event->text().toLatin1().data())));
     }
 }
 
@@ -274,7 +274,7 @@ Q3DWidget::handleKeyReleaseEvent(QKeyEvent* event)
     {
         mOsgGW->getEventQueue()->keyRelease(
             static_cast<osgGA::GUIEventAdapter::KeySymbol>(
-                *(event->text().toAscii().data())));
+                *(event->text().toLatin1().data())));
     }
 }
 

src/ui/mavlink/QGCMAVLinkMessageSender.cc

@@ -81,7 +81,7 @@ bool QGCMAVLinkMessageSender::sendMessage(unsigned int msgid)
                 {
                     // Single char
                     char* b = ((char*)(m+messageInfo[msgid].fields[fieldid].wire_offset));
-                    *b = field->data(1, Qt::DisplayRole).toChar().toAscii();
+                    *b = field->data(1, Qt::DisplayRole).toChar().toLatin1();
                 }
                 break;
             case MAVLINK_TYPE_UINT8_T:
@@ -100,7 +100,7 @@ bool QGCMAVLinkMessageSender::sendMessage(unsigned int msgid)
                 {
                     // Single value
                     uint8_t* u = (m+messageInfo[msgid].fields[fieldid].wire_offset);
-                    *u = field->data(1, Qt::DisplayRole).toChar().toAscii();
+                    *u = field->data(1, Qt::DisplayRole).toChar().toLatin1();
                 }
                 break;
             case MAVLINK_TYPE_INT8_T:
@@ -119,7 +119,7 @@ bool QGCMAVLinkMessageSender::sendMessage(unsigned int msgid)
                 {
                     // Single value
                     int8_t* u = reinterpret_cast<int8_t*>(m+messageInfo[msgid].fields[fieldid].wire_offset);
-                    *u = field->data(1, Qt::DisplayRole).toChar().toAscii();
+                    *u = field->data(1, Qt::DisplayRole).toChar().toLatin1();
                 }
                 break;
             case MAVLINK_TYPE_INT16_T: