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# Xlib.ext.xfixes -- XFIXES extension module
#
# Copyright (C) 2010-2011 Outpost Embedded, LLC
# Forest Bond <forest.bond@rapidrollout.com>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public License
# as published by the Free Software Foundation; either version 2.1
# of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc.,
# 59 Temple Place,
# Suite 330,
# Boston, MA 02111-1307 USA
'''
A partial implementation of the XFIXES extension. Only the HideCursor and
ShowCursor requests and SelectionNotify events are provided.
'''
from Xlib.protocol import rq
extname = 'XFIXES'
XFixesSelectionNotify = 0
XFixesSetSelectionOwnerNotifyMask = (1 << 0)
XFixesSelectionWindowDestroyNotifyMask = (1 << 1)
XFixesSelectionClientCloseNotifyMask = (1 << 2)
XFixesSetSelectionOwnerNotify = 0
XFixesSelectionWindowDestroyNotify = 1
XFixesSelectionClientCloseNotify = 2
class QueryVersion(rq.ReplyRequest):
_request = rq.Struct(rq.Card8('opcode'),
rq.Opcode(0),
rq.RequestLength(),
rq.Card32('major_version'),
rq.Card32('minor_version')
)
_reply = rq.Struct(rq.ReplyCode(),
rq.Pad(1),
rq.Card16('sequence_number'),
rq.ReplyLength(),
rq.Card32('major_version'),
rq.Card32('minor_version'),
rq.Pad(16)
)
def query_version(self):
return QueryVersion(display=self.display,
opcode=self.display.get_extension_major(extname),
major_version=4,
minor_version=0)
class HideCursor(rq.Request):
_request = rq.Struct(rq.Card8('opcode'),
rq.Opcode(29),
rq.RequestLength(),
rq.Window('window')
)
def hide_cursor(self):
HideCursor(display=self.display,
opcode=self.display.get_extension_major(extname),
window=self)
class ShowCursor(rq.Request):
_request = rq.Struct(rq.Card8('opcode'),
rq.Opcode(30),
rq.RequestLength(),
rq.Window('window')
)
def show_cursor(self):
ShowCursor(display=self.display,
opcode=self.display.get_extension_major(extname),
window=self)
class SelectSelectionInput(rq.Request):
_request = rq.Struct(rq.Card8('opcode'),
rq.Opcode(2),
rq.RequestLength(),
rq.Window('window'),
rq.Card32('selection'),
rq.Card32('mask')
)
def select_selection_input(self, window, selection, mask):
return SelectSelectionInput(opcode=self.display.get_extension_major(extname),
display=self.display,
window=window,
selection=selection,
mask=mask)
class SelectionNotify(rq.Event):
_code = None
_fields = rq.Struct(rq.Card8('type'),
rq.Card8('sub_code'),
rq.Card16('sequence_number'),
rq.Window('window'),
rq.Window('owner'),
rq.Card32('selection'),
rq.Card32('timestamp'),
rq.Card32('selection_timestamp'),
rq.Pad(8))
class SetSelectionOwnerNotify(SelectionNotify):
pass
class SelectionWindowDestroyNotify(SelectionNotify):
pass
class SelectionClientCloseNotify(SelectionNotify):
pass
def init(disp, info):
disp.extension_add_method('display', 'xfixes_select_selection_input', select_selection_input)
disp.extension_add_method('display', 'xfixes_query_version', query_version)
disp.extension_add_method('window', 'xfixes_hide_cursor', hide_cursor)
disp.extension_add_method('window', 'xfixes_show_cursor', show_cursor)
disp.extension_add_subevent(info.first_event + XFixesSelectionNotify, XFixesSetSelectionOwnerNotify, SetSelectionOwnerNotify)
disp.extension_add_subevent(info.first_event + XFixesSelectionNotify, XFixesSelectionWindowDestroyNotify, SelectionWindowDestroyNotify)
disp.extension_add_subevent(info.first_event + XFixesSelectionNotify, XFixesSelectionClientCloseNotify, SelectionClientCloseNotify)
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