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tools: switch measure-touchpad-tap to python-libevdev

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2019-03-15 12:00:17 +10:00
parent 33afe9f875
commit 274b80d06c
1 changed files with 15 additions and 24 deletions
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39
tools/libinput-measure-touchpad-tap.py
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@ -27,8 +27,7 @@
import sys
import argparse
try:
import evdev
import evdev.ecodes
import libevdev
import textwrap
import pyudev
except ModuleNotFoundError as e:
@ -83,27 +82,18 @@ class InvalidDeviceError(Exception):
pass
class Device(object):
class Device(libevdev.Device):
def __init__(self, path):
if path is None:
self.path = self._find_touch_device()
else:
self.path = path
fd = open(self.path, 'rb')
super().__init__(fd)
self.device = evdev.InputDevice(self.path)
print("Using {}: {}\n".format(self.name, self.path))
print("Using {}: {}\n".format(self.device.name, self.path))
# capabilities returns a dict with the EV_* codes as key,
# each of which is a list of tuples of (code, AbsInfo)
#
# Get the abs list first (or empty list if missing),
# then extract the pressure absinfo from that
codes = self.device.capabilities(absinfo=True).get(
evdev.ecodes.EV_KEY, []
)
if evdev.ecodes.BTN_TOUCH not in codes:
if not self.has(libevdev.EV_KEY.BTN_TOUCH):
raise InvalidDeviceError("device does not have BTN_TOUCH")
self.touches = []
@ -141,16 +131,16 @@ class Device(object):
end='')
def handle_key(self, event):
tapcodes = [evdev.ecodes.BTN_TOOL_DOUBLETAP,
evdev.ecodes.BTN_TOOL_TRIPLETAP,
evdev.ecodes.BTN_TOOL_QUADTAP,
evdev.ecodes.BTN_TOOL_QUINTTAP]
tapcodes = [libevdev.EV_KEY.BTN_TOOL_DOUBLETAP,
libevdev.EV_KEY.BTN_TOOL_TRIPLETAP,
libevdev.EV_KEY.BTN_TOOL_QUADTAP,
libevdev.EV_KEY.BTN_TOOL_QUINTTAP]
if event.code in tapcodes and event.value > 0:
error("\rThis tool cannot handle multiple fingers, "
"output will be invalid")
return
if event.code == evdev.ecodes.BTN_TOUCH:
if event.matches(libevdev.EV_KEY.BTN_TOUCH):
self.handle_btn_touch(event)
def handle_syn(self, event):
@ -161,12 +151,13 @@ class Device(object):
orientation=self.touch.orientation)
def handle_event(self, event):
if event.type == evdev.ecodes.EV_KEY:
if event.matches(libevdev.EV_KEY):
self.handle_key(event)
def read_events(self):
for event in self.device.read_loop():
self.handle_event(event)
while True:
for event in self.events():
self.handle_event(event)
def print_summary(self):
deltas = sorted(t.tdelta for t in self.touches)