131 lines
3.4 KiB
Python
131 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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import struct
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from subprocess import check_output
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import re
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from ._nixcommon import EV_KEY, EV_REL, EV_MSC, EV_SYN, EV_ABS, aggregate_devices, ensure_root
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from ._mouse_event import ButtonEvent, WheelEvent, MoveEvent, LEFT, RIGHT, MIDDLE, X, X2, UP, DOWN
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import ctypes
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import ctypes.util
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from ctypes import c_uint32, c_uint, c_int, byref
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display = None
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window = None
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x11 = None
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def build_display():
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global display, window, x11
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if display and window and x11: return
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x11 = ctypes.cdll.LoadLibrary(ctypes.util.find_library('X11'))
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# Required because we will have multiple threads calling x11,
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# such as the listener thread and then main using "move_to".
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x11.XInitThreads()
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display = x11.XOpenDisplay(None)
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# Known to cause segfault in Fedora 23 64bits, no known workarounds.
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# http://stackoverflow.com/questions/35137007/get-mouse-position-on-linux-pure-python
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window = x11.XDefaultRootWindow(display)
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def get_position():
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build_display()
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root_id, child_id = c_uint32(), c_uint32()
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root_x, root_y, win_x, win_y = c_int(), c_int(), c_int(), c_int()
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mask = c_uint()
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ret = x11.XQueryPointer(display, c_uint32(window), byref(root_id), byref(child_id),
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byref(root_x), byref(root_y),
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byref(win_x), byref(win_y), byref(mask))
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return root_x.value, root_y.value
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def move_to(x, y):
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build_display()
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x11.XWarpPointer(display, None, window, 0, 0, 0, 0, x, y)
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x11.XFlush(display)
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REL_X = 0x00
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REL_Y = 0x01
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REL_Z = 0x02
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REL_HWHEEL = 0x06
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REL_WHEEL = 0x08
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ABS_X = 0x00
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ABS_Y = 0x01
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BTN_MOUSE = 0x110
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BTN_LEFT = 0x110
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BTN_RIGHT = 0x111
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BTN_MIDDLE = 0x112
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BTN_SIDE = 0x113
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BTN_EXTRA = 0x114
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button_by_code = {
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BTN_LEFT: LEFT,
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BTN_RIGHT: RIGHT,
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BTN_MIDDLE: MIDDLE,
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BTN_SIDE: X,
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BTN_EXTRA: X2,
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}
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code_by_button = {button: code for code, button in button_by_code.items()}
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device = None
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def build_device():
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global device
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if device: return
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ensure_root()
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device = aggregate_devices('mouse')
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init = build_device
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def listen(queue):
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build_device()
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while True:
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time, type, code, value, device_id = device.read_event()
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if type == EV_SYN or type == EV_MSC:
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continue
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event = None
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arg = None
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if type == EV_KEY:
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event = ButtonEvent(DOWN if value else UP, button_by_code.get(code, '?'), time)
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elif type == EV_REL:
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value, = struct.unpack('i', struct.pack('I', value))
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if code == REL_WHEEL:
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event = WheelEvent(value, time)
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elif code in (REL_X, REL_Y):
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x, y = get_position()
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event = MoveEvent(x, y, time)
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if event is None:
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# Unknown event type.
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continue
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queue.put(event)
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def press(button=LEFT):
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build_device()
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device.write_event(EV_KEY, code_by_button[button], 0x01)
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def release(button=LEFT):
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build_device()
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device.write_event(EV_KEY, code_by_button[button], 0x00)
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def move_relative(x, y):
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build_device()
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# Note relative events are not in terms of pixels, but millimeters.
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if x < 0:
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x += 2**32
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if y < 0:
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y += 2**32
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device.write_event(EV_REL, REL_X, x)
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device.write_event(EV_REL, REL_Y, y)
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def wheel(delta=1):
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build_device()
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if delta < 0:
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delta += 2**32
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device.write_event(EV_REL, REL_WHEEL, delta)
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if __name__ == '__main__':
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#listen(print)
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move_to(100, 200)
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