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petlipetli
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Started on high-level xlib
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‎Xlib/display.py‎

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# $Id: display.py,v 1.1 2000-08-02 09:39:24 petli Exp $
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#
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# Xlib.display -- high level display object
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#
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# Copyright (C) 2000 Peter Liljenberg <petli@ctrl-c.liu.se>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# Xlib modules
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import error
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# Xlib.protocol modules
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import protocol.display
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from protocol import request
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class Display:
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def __init__(self, display = None):
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self.display = protocol.display.Display(display)
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self.resource_ids = {}
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self.last_resource_id = 0
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def fileno(self):
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return self.display.fileno()
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def close(self):
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self.display.close()
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###
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### X requests
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###
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def intern_atom(self, name, only_if_exists = 0):
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r = request.InternAtom(display = self.display,
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name = name,
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only_if_exists = only_if_exists)
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return r.atom
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def get_atom_name(self, atom):
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r = request.GetAtomName(display = self.display,
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atom = atom)
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return r.name
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def bell(self, percent = 0):
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request.Bell(display = self.display,
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percent = percent)
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###
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### Private interface
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###
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def allocate_resource_id(self):
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"""id = d.allocate_resource_id()
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Allocate a new X resource id number ID.
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Raises ResourceIDError if there are no free resource ids.
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"""
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i = self.last_resource_id
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while self.resource_ids.has_key(i):
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i = i + 1
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if i > self.display.info.resource_id_mask:
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i = 0
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if i == self.last_resource_id:
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raise error.ResourceIDError('out of resource ids')
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self.resource_ids[i] = None
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self.last_resource_id = i
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return self.info.resource_id_base | i
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def free_resource_id(self, rid):
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"""d.free_resource_id(rid)
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Free resource id RID.
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Raises ResourceIDError if RID is not allocated.
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"""
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i = rid & self.display.info.resource_id_mask
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# Attempting to free a resource id outside our range
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if rid - i != self.display.info.resource_id_base:
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raise error.ResourceIDError('resource id 0x%08x is not in our range' % rid)
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try:
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del self.resource_ids[i]
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except KeyError:
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raise error.ResourceIDError('resouce id 0x%08x is not allocated' % rid)
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‎Xlib/error.py‎

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# $Id: error.py,v 1.1 2000-07-21 09:54:49 petli Exp $
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# $Id: error.py,v 1.2 2000-08-02 09:39:24 petli Exp $
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#
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# Xlib.error -- basic error classes
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#
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def __str__(self):
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return 'Display connection closed by %s' % self.whom
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class ResourceIDError(Exception): pass
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class XError(rq.GetAttrData, Exception):
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_fields = rq.Struct( rq.Card8('type'), # Always 0
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rq.Card8('code'),

‎Xlib/xobject/__init__.py‎

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# $Id: __init__.py,v 1.1 2000-08-02 09:39:24 petli Exp $
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#
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# Xlib.xobject.__init__ -- glue for Xlib.xobject package
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#
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# Copyright (C) 2000 Peter Liljenberg <petli@ctrl-c.liu.se>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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__all__ = [
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'font',
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'gc',
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'window',
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]

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