串口调通，采用在其他线程的模式

opmap/mapwidget/opmapwidget.cpp

@@ -99,34 +99,6 @@ OPMapWidget::OPMapWidget(QWidget *parent, Configuration *config) : QGraphicsView
 void OPMapWidget::SetShowDiagnostics(bool const & value)
 {
     showDiag = value;
-    /*
-    if (!showDiag) {
-        if (diagGraphItem != 0) {
-            delete diagGraphItem;
-            diagGraphItem = 0;
-        }
-        if (diagTimer != 0) {
-            delete diagTimer;
-            diagTimer = 0;
-        }
-
-        if (GPS != 0) {
-            GPS->DeleteTrail();
-            delete GPS;
-            GPS = 0;
-        }
-    } else {
-        diagTimer = new QTimer();
-        connect(diagTimer, SIGNAL(timeout()), this, SLOT(diagRefresh()));
-        diagTimer->start(500);
-        if (GPS == 0) {
-            GPS = new GPSItem(map, this);
-            GPS->setParentItem(map);
-            GPS->setOpacity(overlayOpacity);
-            setOverlayOpacity(overlayOpacity);
-        }
-    }
-    */
 }
 void OPMapWidget::SetUavPic(QString UAVPic)
 {
@@ -177,7 +149,7 @@ void OPMapWidget::addUAV(int sysid,int compid)
 
         uavItem->setOpacity(overlayOpacity);
 
-        uavItem->setSelect(true);
+        uavItem->setSelect(false);
 
 }
 
@@ -264,6 +236,24 @@ void OPMapWidget::setUAVHeading(int sysid,int compid,float Heading)
 
 }
 
+
+
+void OPMapWidget::DeleteTrail(void)
+{
+    foreach(QGraphicsItem * i, map->childItems()) {
+        UAVItem *u = qgraphicsitem_cast<UAVItem *>(i);
+        if (u) {
+            if(u->Select())
+            {
+                 u->DeleteTrail();
+            }
+        }
+    }
+}
+
+
+
+
 WayPointLine *OPMapWidget::WPLineCreate(WayPointItem *from, WayPointItem *to, QColor color, bool dashed, int width)
 {
     if (!from | !to) {