From 360c92f6b0761aa91098a57eee2b7230fa93ddc8 Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Date: Tue, 21 Mar 2017 14:16:09 -0300
Subject: [PATCH] Add support for CLI show to display High Res Wheel settings

Add support for the high resolution wheel found on MX Anywhere 2.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---
 lib/logitech_receiver/hidpp20.py | 27 +++++++++++++++++++++++++++
 lib/solaar/cli/show.py           | 25 +++++++++++++++++++++++++
 2 files changed, 52 insertions(+)

diff --git a/lib/logitech_receiver/hidpp20.py b/lib/logitech_receiver/hidpp20.py
index 7faff999..8b441b6f 100644
--- a/lib/logitech_receiver/hidpp20.py
+++ b/lib/logitech_receiver/hidpp20.py
@@ -477,3 +477,30 @@ def get_mouse_pointer_info(device):
 				'suggest_os_ballistics': suggest_os_ballistics,
 				'suggest_vertical_orientation': suggest_vertical_orientation
 			}
+
+def get_hires_wheel(device):
+	caps = feature_request(device, FEATURE.HIRES_WHEEL, 0x00)
+	mode = feature_request(device, FEATURE.HIRES_WHEEL, 0x10)
+	ratchet = feature_request(device, FEATURE.HIRES_WHEEL, 0x030)
+
+
+	if caps and mode and ratchet:
+		# Parse caps
+		multi, flags = _unpack('!BB', caps[:2])
+
+		has_invert = (flags & 0x08) != 0
+		has_ratchet = (flags & 0x04) != 0
+
+		# Parse mode
+		wheel_mode, reserved = _unpack('!BB', mode[:2])
+
+		target = (wheel_mode & 0x01) != 0
+		res = (wheel_mode & 0x02) != 0
+		inv = (wheel_mode & 0x04) != 0
+
+		# Parse Ratchet switch
+		ratchet_mode, reserved = _unpack('!BB', ratchet[:2])
+
+		ratchet = (ratchet_mode & 0x01) != 0
+
+		return multi, has_invert, has_ratchet, inv, res, target, ratchet
diff --git a/lib/solaar/cli/show.py b/lib/solaar/cli/show.py
index e69c2a01..d1c3f7ac 100644
--- a/lib/solaar/cli/show.py
+++ b/lib/solaar/cli/show.py
@@ -93,6 +93,31 @@ def _print_device(dev):
 			flags = 0 if flags is None else ord(flags[1:2])
 			flags = _hidpp20.FEATURE_FLAG.flag_names(flags)
 			print ('        %2d: %-22s {%04X}   %s' % (index, feature, feature, ', '.join(flags)))
+			if feature == _hidpp20.FEATURE.HIRES_WHEEL:
+				wheel = _hidpp20.get_hires_wheel(dev)
+				if wheel:
+					multi, has_invert, has_switch, inv, res, target, ratchet = wheel
+					print("            Multiplier: %s" % multi)
+					if has_invert:
+						print("            Has invert")
+						if inv:
+							print("              Inverse wheel motion")
+						else:
+							print("              Normal wheel motion")
+					if has_switch:
+						print("            Has ratchet switch")
+						if ratchet:
+							print("              Normal wheel mode")
+						else:
+							print("              Free wheel mode")
+					if res:
+						print("            High resolution mode")
+					else:
+						print("            Low resolution mode")
+					if target:
+						print("            HID++ notification")
+					else:
+						print("            HID notification")
 
 	if dev.online and dev.keys:
 		print ('     Has %d reprogrammable keys:' % len(dev.keys))