79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
|
# Copyright (c) 2012, Matthias Schiffer <mschiffer@universe-factory.net>
|
||
|
|
# All rights reserved.
|
||
|
|
#
|
||
|
|
# Redistribution and use in source and binary forms, with or without
|
||
|
|
# modification, are permitted provided that the following conditions are met:
|
||
|
|
#
|
||
|
|
# 1. Redistributions of source code must retain the above copyright notice,
|
||
|
|
# this list of conditions and the following disclaimer.
|
||
|
|
# 2. Redistributions in binary form must reproduce the above copyright notice,
|
||
|
|
# this list of conditions and the following disclaimer in the documentation
|
||
|
|
# and/or other materials provided with the distribution.
|
||
|
|
#
|
||
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||
|
|
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||
|
|
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||
|
|
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||
|
|
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||
|
|
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
|
||
|
|
|
||
|
|
import ctypes
|
||
|
|
import ctypes.util
|
||
|
|
|
||
|
|
from gi.repository import Gdk, GdkX11
|
||
|
|
|
||
|
|
|
||
|
|
XEvent_p = ctypes.c_void_p
|
||
|
|
display_p = ctypes.c_void_p
|
||
|
|
xid = ctypes.c_ulong
|
||
|
|
x11_bool = ctypes.c_int
|
||
|
|
x11_time = ctypes.c_ulong
|
||
|
|
status = ctypes.c_int
|
||
|
|
|
||
|
|
|
||
|
|
libX11 = ctypes.util.find_library('X11')
|
||
|
|
if libX11 == None:
|
||
|
|
raise OSError('libX11 could not be found.')
|
||
|
|
libX11 = ctypes.cdll.LoadLibrary(libX11)
|
||
|
|
|
||
|
|
libX11.XSendEvent.argtypes = display_p, xid, x11_bool, ctypes.c_long, XEvent_p
|
||
|
|
libX11.XSendEvent.restype = status
|
||
|
|
libX11.XSetSelectionOwner.argtypes = display_p, xid, xid, x11_time
|
||
|
|
libX11.XSetSelectionOwner.restype = ctypes.c_int
|
||
|
|
libX11.XGetSelectionOwner.argtypes = display_p, xid
|
||
|
|
libX11.XGetSelectionOwner.restype = xid
|
||
|
|
|
||
|
|
|
||
|
|
display = Gdk.Display.get_default()
|
||
|
|
dpy_p = display_p(hash(GdkX11.X11Display.get_xdisplay(display)))
|
||
|
|
atomPylockWindow = GdkX11.x11_get_xatom_by_name("PYLOCK_WINDOW")
|
||
|
|
atomPylockActionLock = GdkX11.x11_get_xatom_by_name("PYLOCK_ACTION_LOCK")
|
||
|
|
|
||
|
|
|
||
|
|
def getSelection():
|
||
|
|
return libX11.XGetSelectionOwner(dpy_p, atomPylockWindow)
|
||
|
|
|
||
|
|
def sendLockMessage():
|
||
|
|
window = getSelection()
|
||
|
|
if window == 0:
|
||
|
|
return
|
||
|
|
|
||
|
|
gdkWindow = GdkX11.X11Window.foreign_new_for_display(display, window)
|
||
|
|
gdkWindow.show()
|
||
|
|
display.sync()
|
||
|
|
|
||
|
|
def acquireSelection(window):
|
||
|
|
if getSelection() != 0:
|
||
|
|
return False
|
||
|
|
|
||
|
|
window.realize()
|
||
|
|
xid = GdkX11.X11Window.get_xid(window.get_window())
|
||
|
|
libX11.XSetSelectionOwner(dpy_p, atomPylockWindow, xid, 0)
|
||
|
|
|
||
|
|
return (getSelection() == xid)
|