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[lxde/lxsession.git] / COPYING
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1LXSession is derived from XSM (X session manager) provided by Xorg.
2Copyright 1993, 1998 The Open Group
3
4We modified XSM, and create our own session manager, LXSession.
5Copyright 2006 Hong Jen Yee (PCMan) <pcman.tw (at) gmail.com>
6
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7gdm-logout-action.c & gdm-logout-action.h are taken from gnome-session.
8These 2 files are released under GNU General Public License.
9
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10HAL support of lxsession-logout is taken from xfce4-session.
11Copyright (c) 2003-2006 Benedikt Meurer <benny@xfce.org>
12
13Image files under image directory are taken from GPL'd icon theme
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14"nuoveXT 2" created by Alexandre Moore (saki).
15http://www.gnome-look.org/content/show.php/nuoveXT+2?content=56625
16
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17LXSession, is released under GNU General Public License.
18
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19 GNU GENERAL PUBLIC LICENSE
20 Version 2, June 1991
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21
22 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
23 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 Everyone is permitted to copy and distribute verbatim copies
25 of this license document, but changing it is not allowed.
26
cdcdf8ee 27 Preamble
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28
29 The licenses for most software are designed to take away your
30freedom to share and change it. By contrast, the GNU General Public
31License is intended to guarantee your freedom to share and change free
32software--to make sure the software is free for all its users. This
33General Public License applies to most of the Free Software
34Foundation's software and to any other program whose authors commit to
35using it. (Some other Free Software Foundation software is covered by
36the GNU Library General Public License instead.) You can apply it to
37your programs, too.
38
39 When we speak of free software, we are referring to freedom, not
40price. Our General Public Licenses are designed to make sure that you
41have the freedom to distribute copies of free software (and charge for
42this service if you wish), that you receive source code or can get it
43if you want it, that you can change the software or use pieces of it
44in new free programs; and that you know you can do these things.
45
46 To protect your rights, we need to make restrictions that forbid
47anyone to deny you these rights or to ask you to surrender the rights.
48These restrictions translate to certain responsibilities for you if you
49distribute copies of the software, or if you modify it.
50
51 For example, if you distribute copies of such a program, whether
52gratis or for a fee, you must give the recipients all the rights that
53you have. You must make sure that they, too, receive or can get the
54source code. And you must show them these terms so they know their
55rights.
56
57 We protect your rights with two steps: (1) copyright the software, and
58(2) offer you this license which gives you legal permission to copy,
59distribute and/or modify the software.
60
61 Also, for each author's protection and ours, we want to make certain
62that everyone understands that there is no warranty for this free
63software. If the software is modified by someone else and passed on, we
64want its recipients to know that what they have is not the original, so
65that any problems introduced by others will not reflect on the original
66authors' reputations.
67
68 Finally, any free program is threatened constantly by software
69patents. We wish to avoid the danger that redistributors of a free
70program will individually obtain patent licenses, in effect making the
71program proprietary. To prevent this, we have made it clear that any
72patent must be licensed for everyone's free use or not licensed at all.
73
74 The precise terms and conditions for copying, distribution and
75modification follow.
76\f
cdcdf8ee 77 GNU GENERAL PUBLIC LICENSE
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78 TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
79
80 0. This License applies to any program or other work which contains
81a notice placed by the copyright holder saying it may be distributed
82under the terms of this General Public License. The "Program", below,
83refers to any such program or work, and a "work based on the Program"
84means either the Program or any derivative work under copyright law:
85that is to say, a work containing the Program or a portion of it,
86either verbatim or with modifications and/or translated into another
87language. (Hereinafter, translation is included without limitation in
88the term "modification".) Each licensee is addressed as "you".
89
90Activities other than copying, distribution and modification are not
91covered by this License; they are outside its scope. The act of
92running the Program is not restricted, and the output from the Program
93is covered only if its contents constitute a work based on the
94Program (independent of having been made by running the Program).
95Whether that is true depends on what the Program does.
96
97 1. You may copy and distribute verbatim copies of the Program's
98source code as you receive it, in any medium, provided that you
99conspicuously and appropriately publish on each copy an appropriate
100copyright notice and disclaimer of warranty; keep intact all the
101notices that refer to this License and to the absence of any warranty;
102and give any other recipients of the Program a copy of this License
103along with the Program.
104
105You may charge a fee for the physical act of transferring a copy, and
106you may at your option offer warranty protection in exchange for a fee.
107
108 2. You may modify your copy or copies of the Program or any portion
109of it, thus forming a work based on the Program, and copy and
110distribute such modifications or work under the terms of Section 1
111above, provided that you also meet all of these conditions:
112
113 a) You must cause the modified files to carry prominent notices
114 stating that you changed the files and the date of any change.
115
116 b) You must cause any work that you distribute or publish, that in
117 whole or in part contains or is derived from the Program or any
118 part thereof, to be licensed as a whole at no charge to all third
119 parties under the terms of this License.
120
121 c) If the modified program normally reads commands interactively
122 when run, you must cause it, when started running for such
123 interactive use in the most ordinary way, to print or display an
124 announcement including an appropriate copyright notice and a
125 notice that there is no warranty (or else, saying that you provide
126 a warranty) and that users may redistribute the program under
127 these conditions, and telling the user how to view a copy of this
128 License. (Exception: if the Program itself is interactive but
129 does not normally print such an announcement, your work based on
130 the Program is not required to print an announcement.)
131\f
132These requirements apply to the modified work as a whole. If
133identifiable sections of that work are not derived from the Program,
134and can be reasonably considered independent and separate works in
135themselves, then this License, and its terms, do not apply to those
136sections when you distribute them as separate works. But when you
137distribute the same sections as part of a whole which is a work based
138on the Program, the distribution of the whole must be on the terms of
139this License, whose permissions for other licensees extend to the
140entire whole, and thus to each and every part regardless of who wrote it.
141
142Thus, it is not the intent of this section to claim rights or contest
143your rights to work written entirely by you; rather, the intent is to
144exercise the right to control the distribution of derivative or
145collective works based on the Program.
146
147In addition, mere aggregation of another work not based on the Program
148with the Program (or with a work based on the Program) on a volume of
149a storage or distribution medium does not bring the other work under
150the scope of this License.
151
152 3. You may copy and distribute the Program (or a work based on it,
153under Section 2) in object code or executable form under the terms of
154Sections 1 and 2 above provided that you also do one of the following:
155
156 a) Accompany it with the complete corresponding machine-readable
157 source code, which must be distributed under the terms of Sections
158 1 and 2 above on a medium customarily used for software interchange; or,
159
160 b) Accompany it with a written offer, valid for at least three
161 years, to give any third party, for a charge no more than your
162 cost of physically performing source distribution, a complete
163 machine-readable copy of the corresponding source code, to be
164 distributed under the terms of Sections 1 and 2 above on a medium
165 customarily used for software interchange; or,
166
167 c) Accompany it with the information you received as to the offer
168 to distribute corresponding source code. (This alternative is
169 allowed only for noncommercial distribution and only if you
170 received the program in object code or executable form with such
171 an offer, in accord with Subsection b above.)
172
173The source code for a work means the preferred form of the work for
174making modifications to it. For an executable work, complete source
175code means all the source code for all modules it contains, plus any
176associated interface definition files, plus the scripts used to
177control compilation and installation of the executable. However, as a
178special exception, the source code distributed need not include
179anything that is normally distributed (in either source or binary
180form) with the major components (compiler, kernel, and so on) of the
181operating system on which the executable runs, unless that component
182itself accompanies the executable.
183
184If distribution of executable or object code is made by offering
185access to copy from a designated place, then offering equivalent
186access to copy the source code from the same place counts as
187distribution of the source code, even though third parties are not
188compelled to copy the source along with the object code.
189\f
190 4. You may not copy, modify, sublicense, or distribute the Program
191except as expressly provided under this License. Any attempt
192otherwise to copy, modify, sublicense or distribute the Program is
193void, and will automatically terminate your rights under this License.
194However, parties who have received copies, or rights, from you under
195this License will not have their licenses terminated so long as such
196parties remain in full compliance.
197
198 5. You are not required to accept this License, since you have not
199signed it. However, nothing else grants you permission to modify or
200distribute the Program or its derivative works. These actions are
201prohibited by law if you do not accept this License. Therefore, by
202modifying or distributing the Program (or any work based on the
203Program), you indicate your acceptance of this License to do so, and
204all its terms and conditions for copying, distributing or modifying
205the Program or works based on it.
206
207 6. Each time you redistribute the Program (or any work based on the
208Program), the recipient automatically receives a license from the
209original licensor to copy, distribute or modify the Program subject to
210these terms and conditions. You may not impose any further
211restrictions on the recipients' exercise of the rights granted herein.
212You are not responsible for enforcing compliance by third parties to
213this License.
214
215 7. If, as a consequence of a court judgment or allegation of patent
216infringement or for any other reason (not limited to patent issues),
217conditions are imposed on you (whether by court order, agreement or
218otherwise) that contradict the conditions of this License, they do not
219excuse you from the conditions of this License. If you cannot
220distribute so as to satisfy simultaneously your obligations under this
221License and any other pertinent obligations, then as a consequence you
222may not distribute the Program at all. For example, if a patent
223license would not permit royalty-free redistribution of the Program by
224all those who receive copies directly or indirectly through you, then
225the only way you could satisfy both it and this License would be to
226refrain entirely from distribution of the Program.
227
228If any portion of this section is held invalid or unenforceable under
229any particular circumstance, the balance of the section is intended to
230apply and the section as a whole is intended to apply in other
231circumstances.
232
233It is not the purpose of this section to induce you to infringe any
234patents or other property right claims or to contest validity of any
235such claims; this section has the sole purpose of protecting the
236integrity of the free software distribution system, which is
237implemented by public license practices. Many people have made
238generous contributions to the wide range of software distributed
239through that system in reliance on consistent application of that
240system; it is up to the author/donor to decide if he or she is willing
241to distribute software through any other system and a licensee cannot
242impose that choice.
243
244This section is intended to make thoroughly clear what is believed to
245be a consequence of the rest of this License.
246\f
247 8. If the distribution and/or use of the Program is restricted in
248certain countries either by patents or by copyrighted interfaces, the
249original copyright holder who places the Program under this License
250may add an explicit geographical distribution limitation excluding
251those countries, so that distribution is permitted only in or among
252countries not thus excluded. In such case, this License incorporates
253the limitation as if written in the body of this License.
254
255 9. The Free Software Foundation may publish revised and/or new versions
256of the General Public License from time to time. Such new versions will
257be similar in spirit to the present version, but may differ in detail to
258address new problems or concerns.
259
260Each version is given a distinguishing version number. If the Program
261specifies a version number of this License which applies to it and "any
262later version", you have the option of following the terms and conditions
263either of that version or of any later version published by the Free
264Software Foundation. If the Program does not specify a version number of
265this License, you may choose any version ever published by the Free Software
266Foundation.
267
268 10. If you wish to incorporate parts of the Program into other free
269programs whose distribution conditions are different, write to the author
270to ask for permission. For software which is copyrighted by the Free
271Software Foundation, write to the Free Software Foundation; we sometimes
272make exceptions for this. Our decision will be guided by the two goals
273of preserving the free status of all derivatives of our free software and
274of promoting the sharing and reuse of software generally.
275
cdcdf8ee 276 NO WARRANTY
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277
278 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
279FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
280OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
281PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
282OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
283MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
284TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
285PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
286REPAIR OR CORRECTION.
287
288 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
289WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
290REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
291INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
292OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
293TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
294YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
295PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
296POSSIBILITY OF SUCH DAMAGES.
297
cdcdf8ee 298 END OF TERMS AND CONDITIONS
8f7acb23 299\f
cdcdf8ee 300 How to Apply These Terms to Your New Programs
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301
302 If you develop a new program, and you want it to be of the greatest
303possible use to the public, the best way to achieve this is to make it
304free software which everyone can redistribute and change under these terms.
305
306 To do so, attach the following notices to the program. It is safest
307to attach them to the start of each source file to most effectively
308convey the exclusion of warranty; and each file should have at least
309the "copyright" line and a pointer to where the full notice is found.
310
311 <one line to give the program's name and a brief idea of what it does.>
312 Copyright (C) <year> <name of author>
313
314 This program is free software; you can redistribute it and/or modify
315 it under the terms of the GNU General Public License as published by
316 the Free Software Foundation; either version 2 of the License, or
317 (at your option) any later version.
318
319 This program is distributed in the hope that it will be useful,
320 but WITHOUT ANY WARRANTY; without even the implied warranty of
321 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
322 GNU General Public License for more details.
323
324 You should have received a copy of the GNU General Public License
325 along with this program; if not, write to the Free Software
326 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
327
328
329Also add information on how to contact you by electronic and paper mail.
330
331If the program is interactive, make it output a short notice like this
332when it starts in an interactive mode:
333
334 Gnomovision version 69, Copyright (C) year name of author
335 Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
336 This is free software, and you are welcome to redistribute it
337 under certain conditions; type `show c' for details.
338
339The hypothetical commands `show w' and `show c' should show the appropriate
340parts of the General Public License. Of course, the commands you use may
341be called something other than `show w' and `show c'; they could even be
342mouse-clicks or menu items--whatever suits your program.
343
344You should also get your employer (if you work as a programmer) or your
345school, if any, to sign a "copyright disclaimer" for the program, if
346necessary. Here is a sample; alter the names:
347
348 Yoyodyne, Inc., hereby disclaims all copyright interest in the program
349 `Gnomovision' (which makes passes at compilers) written by James Hacker.
350
351 <signature of Ty Coon>, 1 April 1989
352 Ty Coon, President of Vice
353
354This General Public License does not permit incorporating your program into
355proprietary programs. If your program is a subroutine library, you may
356consider it more useful to permit linking proprietary applications with the
357library. If this is what you want to do, use the GNU Library General
358Public License instead of this License.