receiver: gather and show PERSISTENT_REMAPPABLE_ACTION information

lib/logitech_receiver/device.py

@@ -74,6 +74,7 @@ class Device:
 
         self._firmware = None
         self._keys = None
+        self._remap_keys = None
         self._gestures = None
         self._gestures_lock = _threading.Lock()
         self._registers = None
@@ -294,6 +295,13 @@ class Device:
                 self._keys = _hidpp20.get_keys(self) or ()
         return self._keys
 
+    @property
+    def remap_keys(self):
+        if self._remap_keys is None:
+            if self.online and self.protocol >= 2.0:
+                self._remap_keys = _hidpp20.get_remap_keys(self) or ()
+        return self._remap_keys
+
     @property
     def gestures(self):
         if self._gestures is None:

lib/logitech_receiver/receiver.py

@@ -39,7 +39,6 @@ _IR = _hidpp10.INFO_SUBREGISTERS
 #
 #
 
-
 class Receiver:
     """A Unifying Receiver instance.
 

lib/solaar/cli/show.py

@@ -252,6 +252,13 @@ def _print_device(dev, num=None):
                 report_fmt = ', '.join(k.mapping_flags)
                 report_fmt = report_fmt if report_fmt else 'default'
                 print('             reporting: %s' % (report_fmt))
+    if dev.online and dev.remap_keys:
+        print('     Has %d persistent remappable keys:' % len(dev.remap_keys))
+        for k in dev.remap_keys:
+            print(
+                '        %2d: %4d %-26s => %s%s' %
+                (k.index, int(k.key), k.key, k.action, ' (remapped)' if k.cidStatus else '')
+            )
     if dev.online and dev.gestures:
         print(
             '     Has %d gesture(s), %d param(s) and %d spec(s):' %