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use libevent for keyboard input

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This commit is contained in:
Keyvan Fatehi
2023-02-11 14:10:36 -08:00
parent 6dc9217fbb
commit 6d4a2ff768
2 changed files with 14 additions and 46 deletions
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56
desktop_control_interface.py
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@@ -1,6 +1,7 @@
import numpy
import keymap
import libevdev
import numpy # for mouse position interpolation
import keymap # for mapping iOS folio keys to libevdev events
import libevdev # for all low-level mouse and keyboard events
import pyautogui # only for the high-level string "paste" support
from libevdev import InputEvent, InputAbsInfo
class DesktopControlInterface():
@@ -16,13 +17,15 @@ class DesktopControlInterface():
self.dev.enable(libevdev.EV_KEY.BTN_LEFT)
self.dev.enable(libevdev.EV_KEY.BTN_MIDDLE)
self.dev.enable(libevdev.EV_KEY.BTN_RIGHT)
for value in keymap.iOStoLinux.values():
self.dev.enable(value)
self.uinput = self.dev.create_uinput_device()
def handle_action(self, action, data):
if action == "mousemove":
x = numpy.interp(data["cursorPositionX"], (0, data["displayWidth"]), (0, self.resolution.width))
y = numpy.interp(data["cursorPositionY"], (0, data["displayHeight"]), (0, self.resolution.height))
print(f"mousemove {x} {y}")
# print(f"mousemove {x} {y}")
events = [InputEvent(libevdev.EV_ABS.ABS_X, int(x)),
InputEvent(libevdev.EV_ABS.ABS_Y, int(y)),
InputEvent(libevdev.EV_SYN.SYN_REPORT, 0)]
@@ -46,50 +49,15 @@ class DesktopControlInterface():
self.uinput.send_events(press)
elif action == "keyboard":
try:
# keymap.reload()
# use keymap.reload() here to reload your source changes when adding more keys
osKey = keymap.iOStoLinux[data["key"]]
print(osKey)
# self.ui.write(e.EV_KEY, osKey, data["direction"])
# self.ui.syn()
press = [libevdev.InputEvent(osKey, value=data["direction"]),
libevdev.InputEvent(libevdev.EV_SYN.SYN_REPORT, value=0)]
self.uinput.send_events(press)
except KeyError:
print(f"Unknown key: {data['key']}")
elif action == "paste":
pass
# might as well support the secureput protocol completely
# pyautogui.write(data["payload"]["string"])
pyautogui.write(data["payload"]["string"])
def supports(self, action):
return action in ["keyboard", "leftclickbegan", "leftclickend", "rightclickbegan", "rightclickend", "mousemove", "paste"]
def stop(self):
pass
# self.ui.close()
if __name__ == "__main__":
import time
import libevdev
from libevdev import InputEvent, InputAbsInfo
dev = libevdev.Device()
dev.name = 'some test device'
a = InputAbsInfo(minimum=0, maximum=1920, resolution=200)
dev.enable(libevdev.EV_ABS.ABS_X, data=a)
a = InputAbsInfo(minimum=0, maximum=1080, resolution=200)
dev.enable(libevdev.EV_ABS.ABS_Y, data=a)
dev.enable(libevdev.EV_KEY.BTN_LEFT)
dev.enable(libevdev.EV_KEY.BTN_MIDDLE)
dev.enable(libevdev.EV_KEY.BTN_RIGHT)
uinput = dev.create_uinput_device()
print("New device at {} ({})".format(uinput.devnode, uinput.syspath))
# Sleep for a bit so udev, libinput, Xorg, Wayland, ... all have had
# a chance to see the device and initialize it. Otherwise the event
# will be sent by the kernel but nothing is ready to listen to the
# device yet.
time.sleep(1)
events = [InputEvent(libevdev.EV_ABS.ABS_X, 1900),
InputEvent(libevdev.EV_ABS.ABS_Y, 1000),
InputEvent(libevdev.EV_SYN.SYN_REPORT, 0)]

2
keymap.py
View File

@@ -1,4 +1,4 @@
from evdev import ecodes as e
from libevdev import EV_KEY as e
# Some info can be found here
# https://www.kernel.org/doc/Documentation/input/event-codes.txt