details: If we know the channel target name, pretty list it

tests/testdriver.xml

@@ -266,7 +266,11 @@
       <address type='virtio-serial' controller='1' bus='0' port='3'/>
     </channel>
     <channel type='pty'>
-      <target type='virtio' name='org.linux-kvm.port.0'/>
+      <target type='virtio' name='org.qemu.guest_agent.0'/>
+    </channel>
+    <channel type='unix'>
+      <source mode='bind'/>
+      <target type='virtio' name='org.libguestfs.channel.0'/>
     </channel>
 
 

virtManager/details.py

@@ -3511,9 +3511,12 @@ class vmmDetails(vmmGObjectUI):
             port = chardev.target_port
 
             label = devtype.capitalize()
-            if devtype not in ["console", "channel"]:
+            if devtype in ["serial", "parallel"]:
-                # Don't show port for console
                 label += " %s" % (int(port) + 1)
+            elif devtype == "channel":
+                name = chardev.pretty_channel_name(chardev.target_name)
+                if name:
+                    label += " %s" % name
 
             update_hwlist(HW_LIST_TYPE_CHAR, chardev, label,
                           "device_serial")

virtinst/devicechar.py

@@ -71,6 +71,16 @@ class _VirtualCharDevice(VirtualDevice):
                      CHANNEL_NAME_QEMUGA,
                      CHANNEL_NAME_LIBGUESTFS]
 
+    @staticmethod
+    def pretty_channel_name(val):
+        if val == _VirtualCharDevice.CHANNEL_NAME_SPICE:
+            return "spice"
+        if val == _VirtualCharDevice.CHANNEL_NAME_QEMUGA:
+            return "qemu-ga"
+        if val == _VirtualCharDevice.CHANNEL_NAME_LIBGUESTFS:
+            return "libguestfs"
+        return None
+
     @staticmethod
     def pretty_type(ctype):
         """