mirror of
https://github.com/arthur-pbty/arthur-os.git
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d2a4cc0c4d
* Add omarchy CLI * Remove outdated or internal * Add bash completions for command * Add omarchy command documentation * Add missing docs * Correct to what's now right * Fix tests --------- Co-authored-by: David Heinemeier Hansson <david@hey.com>
97 lines
2.9 KiB
Python
Executable File
97 lines
2.9 KiB
Python
Executable File
#!/usr/bin/env python3
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# omarchy:summary=Run the Synaptics touchpad haptic feedback daemon
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"""Haptic feedback daemon for Synaptics touchpads with Manual Trigger.
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Monitors touchpad button press events and sends haptic pulses via HID
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feature reports. Required because the kernel's HID haptic subsystem only
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supports Auto Trigger with waveform enumeration, not the simpler Manual
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Trigger protocol used by these Synaptics touchpads.
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"""
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import fcntl, glob, os, struct, sys
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VENDOR = "06CB"
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REPORT_ID = 0x37
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INTENSITY = 40 # 0-100
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# input_event: struct timeval (16 bytes on 64-bit) + type(H) + code(H) + value(i)
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EVENT_FORMAT = "llHHi"
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EVENT_SIZE = struct.calcsize(EVENT_FORMAT)
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EV_KEY = 0x01
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BTN_LEFT = 272
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BTN_RIGHT = 273
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BTN_MIDDLE = 274
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# ioctl: HIDIOCSFEATURE(len) = _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x06, len)
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def HIDIOCSFEATURE(length):
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return 0xC0000000 | (length << 16) | (ord("H") << 8) | 0x06
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def find_hidraw():
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for path in sorted(glob.glob("/sys/class/hidraw/hidraw*")):
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uevent = os.path.join(path, "device", "uevent")
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try:
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with open(uevent) as f:
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content = f.read().upper()
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if f"0000{VENDOR}" in content:
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return os.path.join("/dev", os.path.basename(path))
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except OSError:
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continue
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return None
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def find_touchpad_event():
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for path in sorted(glob.glob("/sys/class/input/event*/device/name")):
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try:
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with open(path) as f:
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name = f.read().strip().upper()
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if VENDOR in name and "TOUCHPAD" in name:
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event = path.split("/")[-3]
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return os.path.join("/dev/input", event)
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except OSError:
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continue
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return None
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def main():
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hidraw = find_hidraw()
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if not hidraw:
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print("No Synaptics haptic touchpad hidraw device found", file=sys.stderr)
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sys.exit(1)
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event = find_touchpad_event()
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if not event:
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print("No Synaptics haptic touchpad input device found", file=sys.stderr)
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sys.exit(1)
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print(f"Haptic touchpad: hidraw={hidraw} input={event} intensity={INTENSITY}", flush=True)
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haptic_report = struct.pack("BB", REPORT_ID, INTENSITY)
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ioctl_req = HIDIOCSFEATURE(len(haptic_report))
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hidraw_fd = os.open(hidraw, os.O_RDWR)
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event_fd = os.open(event, os.O_RDONLY)
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try:
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while True:
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data = os.read(event_fd, EVENT_SIZE)
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if len(data) < EVENT_SIZE:
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continue
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_, _, ev_type, code, value = struct.unpack(EVENT_FORMAT, data)
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if ev_type == EV_KEY and code in (BTN_LEFT, BTN_RIGHT, BTN_MIDDLE) and value == 1:
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try:
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fcntl.ioctl(hidraw_fd, ioctl_req, haptic_report)
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except OSError:
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pass
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except KeyboardInterrupt:
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pass
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finally:
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os.close(event_fd)
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os.close(hidraw_fd)
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if __name__ == "__main__":
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main()
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