settings: add setting for PERSISTENT_REMAPPABLE_ACTION

lib/logitech_receiver/settings.py

@@ -443,7 +443,6 @@ class Settings(Setting):
                     _log.debug('%s: settings prepare key value write(%s,%s) => %r', self.name, key, value, data_bytes)
                 reply = self._rw.write(self._device, int(key), data_bytes)
                 if not reply:
-                    # tell whomever is calling that the write failed
                     return None
             return value
 
@@ -978,8 +977,9 @@ class ChoicesMapValidator(ChoicesValidator):
     def __init__(
         self,
         choices_map,
-        key_byte_count=None,
-        byte_count=None,
+        key_byte_count=0,
+        key_postfix_bytes=b'',
+        byte_count=0,
         read_skip_byte_count=0,
         write_prefix_bytes=b'',
         extra_default=None,
@@ -1005,10 +1005,12 @@ class ChoicesMapValidator(ChoicesValidator):
         if byte_count:
             assert self._byte_count <= byte_count
             self._byte_count = byte_count
+
         self.choices = choices_map
         self.needs_current_value = False
         self.extra_default = extra_default
-        self._read_skip_byte_count = read_skip_byte_count
+        self._key_postfix_bytes = key_postfix_bytes
+        self._read_skip_byte_count = read_skip_byte_count if read_skip_byte_count else 0
         self._write_prefix_bytes = write_prefix_bytes if write_prefix_bytes else b''
         self.activate = activate
         self.mask = mask
@@ -1029,10 +1031,14 @@ class ChoicesMapValidator(ChoicesValidator):
         # reprogrammable keys starts out as 0, which is not a choice, so don't use assert here
         if self.extra_default is not None and self.extra_default == reply_value:
             return int(self.choices[key][0])
-        assert reply_value in self.choices[
-            key], '%s: failed to validate read value %02X' % (self.__class__.__name__, reply_value)
+        if reply_value not in self.choices[key]:
+            assert reply_value in self.choices[
+                key], '%s: failed to validate read value %02X' % (self.__class__.__name__, reply_value)
         return reply_value
 
+    def prepare_key(self, key):
+        return key.to_bytes(self._key_byte_count, 'big') + self._key_postfix_bytes
+
     def prepare_write(self, key, new_value):
         choices = self.choices.get(key)
         if choices is None or (new_value not in choices and new_value != self.extra_default):

lib/logitech_receiver/settings_templates.py

@@ -449,9 +449,7 @@ class ReprogrammableKeys(_Settings):
                 tgts = k.remappable_to
                 if len(tgts) > 1:
                     choices[k.key] = tgts
-            if not choices:
-                return None
-            return cls(choices, key_byte_count=2, byte_count=2, extra_default=0)
+            return cls(choices, key_byte_count=2, byte_count=2, extra_default=0) if choices else None
 
 
 class DivertKeys(_Settings):
@@ -1044,6 +1042,48 @@ class MRKeyLED(_Setting):
             return b'\x00'
 
 
+
+## Only implemented for devices that can produce HID and Consumer Key Codes
+## Only interested in current host, so use 0xFF for it
+class PersistentRemappableAction(_Settings):
+    name = 'persistent-remappable-keys'
+    label = _('Persistent Key/Button Mapping')
+    description = (
+        _('Permanently change the mapping for the key or button.') + '\n' +
+        _('Changing important keys or buttons (such as for the left mouse button) can result in an unusable system.')
+    )
+    persist = False  # This setting is persistent in the device so no need to persist it here
+    feature = _F.PERSISTENT_REMAPPABLE_ACTION
+    keys_universe = _special_keys.CONTROL
+    choices_universe = _special_keys.KEYS
+
+    class rw_class:
+        def __init__(self, feature):
+            self.feature = feature
+            self.kind = _FeatureRW.kind
+
+        def read(self, device, key):
+            ks = device.remap_keys[device.remap_keys.index(key)]
+            return b'\x00\x00' + ks.data_bytes
+
+        def write(self, device, key, data_bytes):
+            ks = device.remap_keys[device.remap_keys.index(key)]
+            v = ks.remap(data_bytes)
+            return v
+
+    class validator_class(_ChoicesMapV):
+        @classmethod
+        def build(cls, setting_class, device):
+            remap_keys = device.remap_keys
+            if not remap_keys or not device.remap_keys.capabilities & 0x0041 == 0x0041:  # HID and Consumer Key Codes
+                return None
+            choices = {}
+            for k in remap_keys:
+                key = _special_keys.CONTROL[k.key]
+                choices[key] = _special_keys.KEYS
+            return cls(choices, key_byte_count=2, byte_count=4) if choices else None
+
+
 SETTINGS = [
     RegisterHandDetection,  # simple
     RegisterSmoothScroll,  # simple
@@ -1071,13 +1111,14 @@ SETTINGS = [
     NewFnSwap,  # simple
     K375sFnSwap,  # working
     ReprogrammableKeys,  # working
+    PersistentRemappableAction,
     DivertKeys,  # working
     DisableKeyboardKeys,  # working
     DivertCrown,  # working
     CrownSmooth,  # working
     DivertGkeys,  # working
     MKeyLEDs,  # working
-    MRKeyLED,
+    MRKeyLED, # working
     Multiplatform,  # working
     DualPlatform,  # simple
     ChangeHost,  # working

lib/solaar/cli/show.py

@@ -255,10 +255,7 @@ def _print_device(dev, num=None):
     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 '')
-            )
+            print('        %2d: %-26s => %s%s' % (k.index, 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):' %