OP-1887 Add tooltips over links, extended GPS info

ground/openpilotgcs/share/openpilotgcs/pfd/default/Info.qml

@@ -84,6 +84,10 @@ Item {
     //
 
     property real bar_width: (info_bg.height + info_bg.width) / 110
+    property int satsInView: String(GPSSatellites.SatsInView).charCodeAt(0)
+    property variant gps_tooltip: "Altitude : "+GPSPositionSensor.Altitude +"m\n"+ 
+                                  "H/V/P DOP : "+GPSPositionSensor.HDOP+"/"+GPSPositionSensor.VDOP+"/"+GPSPositionSensor.PDOP+"m\n"+
+                                   satsInView+" Sats in view"
 
     Repeater {
         id: satNumberBar
@@ -97,6 +101,10 @@ Item {
             width: Math.round(bar_width)
             radius: width / 4
 
+            TooltipArea {
+               text: gps_tooltip
+            }
+
             x: Math.round((bar_width*4.5) + (bar_width * 1.6 * index))
             height: bar_width * index * 0.6
             y: (bar_width*8) - height
@@ -109,6 +117,10 @@ Item {
         sceneSize: info.sceneSize
         elementName: "gps-mode-text"
 
+        TooltipArea {
+            text: gps_tooltip
+        }
+
         Text {
             property int satNumber : String(GPSPositionSensor.Satellites).charCodeAt(0)
 
@@ -127,6 +139,10 @@ Item {
         elementName: "gps-icon"
         width: scaledBounds.width * sceneItem.width
         height: scaledBounds.height * sceneItem.height
+
+        TooltipArea {
+            text: gps_tooltip
+        }
     }
 
     // Waypoint Info (Top)
@@ -370,6 +386,10 @@ Item {
         Rectangle {
             anchors.fill: parent
 
+            TooltipArea {
+                  text: "Reset consumed energy"
+            }
+
             MouseArea { 
                id: reset_consumed_energy_mouseArea; 
                anchors.fill: parent;
@@ -418,6 +438,10 @@ Item {
         y: Math.floor(scaledBounds.y * sceneItem.height)
         visible: SystemAlarms.Alarm_PathPlan != 1
 
+        TooltipArea {
+            text: "Reset distance counter"
+        }
+
         MouseArea { id: total_dist_mouseArea2; anchors.fill: parent; cursorShape: Qt.PointingHandCursor; onClicked: reset_distance()}
 
         Text {

ground/openpilotgcs/share/openpilotgcs/pfd/default/Panels.qml

@@ -241,7 +241,11 @@ Item {
         elementName: "close-panel-mousearea"
         sceneSize: panels.sceneSize
         y: Math.floor(scaledBounds.y * sceneItem.height)
-        z: close_bg.z+100 
+        z: close_bg.z+100
+
+        TooltipArea {
+            text: show_panels == true ? "Close panels" : "Open panels"
+        }
 
         MouseArea {
              id: hidedisp_close;
@@ -315,6 +319,10 @@ Item {
         y: Math.floor(scaledBounds.y * sceneItem.height)
         z: rc_input_bg.z+1
 
+        TooltipArea {
+            text: "RC panel"
+        }
+
         MouseArea {
              id: hidedisp_rcinput;
              anchors.fill: parent;
@@ -527,6 +535,10 @@ Item {
         Rectangle {
             anchors.fill: parent
 
+            TooltipArea {
+                  text: "Reset consumed energy"
+            }
+
             MouseArea { 
                id: reset_panel_consumed_energy_mouseArea; 
                anchors.fill: parent;
@@ -581,11 +593,15 @@ Item {
             anchors.fill: parent
             //color: panels.batColors[SystemAlarms.Alarm_Battery]
 
+            TooltipArea {
+                  text: "Reset consumed energy"
+            }
+
             MouseArea { 
                id: reset_panel_consumed_energy_mouseArea2; 
                anchors.fill: parent;
-               visible: display_bat == true ? 1 : 0
                cursorShape: Qt.PointingHandCursor; 
+               visible: display_bat == true ? 1 : 0
                onClicked: qmlWidget.resetConsumedEnergy();
             }
 
@@ -636,6 +652,10 @@ Item {
         y: Math.floor(scaledBounds.y * sceneItem.height)
         z: battery_bg.z+6
 
+        TooltipArea {
+            text: "Battery panel"
+        }
+
         MouseArea {
              id: hidedisp_battery;
              anchors.fill: parent;
@@ -816,8 +836,8 @@ Item {
             MouseArea {
                  id: idButton_oplm_mousearea;
                  anchors.fill: parent;
+                 cursorShape: Qt.PointingHandCursor;
                  visible: display_oplm == true ? 1 : 0
-                 cursorShape: display_oplm == true ? Qt.PointingHandCursor  : Qt.ArrowCursor
                  onClicked: select_oplm(index)
             }
 
@@ -897,6 +917,10 @@ Item {
         y: Math.floor(scaledBounds.y * sceneItem.height)
         z: oplm_bg.z
 
+        TooltipArea {
+            text: "Link panel"
+        }
+
         MouseArea {
              id: hidedisp_oplm;
              anchors.fill: parent;
@@ -1139,6 +1163,10 @@ Item {
         y: Math.floor(scaledBounds.y * sceneItem.height)
         z: system_bg.z+1
 
+        TooltipArea {
+            text: "System panel"
+        }
+
         MouseArea {
              id: hidedisp_system;
              anchors.fill: parent;

ground/openpilotgcs/src/plugins/pfdqml/pfdqmlgadgetwidget.cpp

@@ -60,6 +60,7 @@ PfdQmlGadgetWidget::PfdQmlGadgetWidget(QWindow *parent) :
         "PathDesired" <<
         "AltitudeHoldDesired" <<
         "GPSPositionSensor" <<
+        "GPSSatellites" <<
         "GCSTelemetryStats" <<
         "SystemAlarms" <<
         "NedAccel" <<