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87 lines
3.1 KiB
87 lines
3.1 KiB
3 years ago
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# Xlib.XK -- X keysym defs
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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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#
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# This module defines some functions for working with X keysyms as well
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# as a modular keysym definition and loading mechanism. See the keysym
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# definition modules in the Xlib/keysymdef directory.
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from Xlib.X import NoSymbol
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def string_to_keysym(keysym):
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'''Return the (16 bit) numeric code of keysym.
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Given the name of a keysym as a string, return its numeric code.
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Don't include the 'XK_' prefix, just use the base, i.e. 'Delete'
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instead of 'XK_Delete'.'''
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return globals().get('XK_' + keysym, NoSymbol)
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def load_keysym_group(group):
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'''Load all the keysyms in group.
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Given a group name such as 'latin1' or 'katakana' load the keysyms
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defined in module 'Xlib.keysymdef.group-name' into this XK module.'''
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if '.' in group:
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raise ValueError('invalid keysym group name: %s' % group)
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G = globals() #Get a reference to XK.__dict__ a.k.a. globals
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#Import just the keysyms module.
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mod = __import__('Xlib.keysymdef.%s' % group, G, locals(), [group])
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#Extract names of just the keysyms.
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keysyms = [n for n in dir(mod) if n.startswith('XK_')]
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#Copy the named keysyms into XK.__dict__
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for keysym in keysyms:
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## k = mod.__dict__[keysym]; assert k == int(k) #probably too much.
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G[keysym] = mod.__dict__[keysym]
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#And get rid of the keysym module.
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del mod
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def _load_keysyms_into_XK(mod):
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'''keysym definition modules need no longer call Xlib.XK._load_keysyms_into_XK().
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You should remove any calls to that function from your keysym modules.'''
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pass
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# Always import miscellany and latin1 keysyms
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load_keysym_group('miscellany')
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load_keysym_group('latin1')
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def keysym_to_string(keysym):
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'''Translate a keysym (16 bit number) into a python string.
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This will pass 0 to 0xff as well as XK_BackSpace, XK_Tab, XK_Clear,
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XK_Return, XK_Pause, XK_Scroll_Lock, XK_Escape, XK_Delete. For other
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values it returns None.'''
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# ISO latin 1, LSB is the code
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if keysym & 0xff00 == 0:
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return chr(keysym & 0xff)
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if keysym in [XK_BackSpace, XK_Tab, XK_Clear, XK_Return,
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XK_Pause, XK_Scroll_Lock, XK_Escape, XK_Delete]:
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return chr(keysym & 0xff)
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# We should be able to do these things quite automatically
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# for latin2, latin3, etc, in Python 2.0 using the Unicode,
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# but that will have to wait.
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return None
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