WonderLookPro uses the Qt under the terms of the GNU Lesser General Public License v. 3 and the GNU Lesser General Public License v. 2.1. In compliance with LGPL, this document collects the relevant information about downloading, installing, and building the Qt Toolkit from sources. The main source of the information and most of the web links provided here come from the Qt Company's website.


https://www.qt.io/


GPLv3 and LGPLv3


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           GNU LESSER GENERAL PUBLIC LICENSE




The Qt Toolkit is Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).


Contact: http://www.qt.io/licensing




You may use, distribute and copy the Qt GUI Toolkit under the terms of


GNU Lesser General Public License version 3, which supplements GNU General


Public License Version 3. Both of the licenses are displayed below.




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                   GNU GENERAL PUBLIC LICENSE


                      Version 3, 29 June 2007




Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>


Everyone is permitted to copy and distribute verbatim copies


of this license document, but changing it is not allowed.




                           Preamble




 The GNU General Public License is a free, copyleft license for


software and other kinds of works.




 The licenses for most software and other practical works are designed


to take away your freedom to share and change the works.  By contrast,


the GNU General Public License is intended to guarantee your freedom to


share and change all versions of a program--to make sure it remains free


software for all its users.  We, the Free Software Foundation, use the


GNU General Public License for most of our software; it applies also to


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your programs, too.




 When we speak of free software, we are referring to freedom, not


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 Some devices are designed to deny users access to install or run


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                      TERMS AND CONDITIONS




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permission, would make you directly or secondarily liable for


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can regenerate automatically from other parts of the Corresponding


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 The Corresponding Source for a work in source code form is that


same work.




 2. Basic Permissions.




 All rights granted under this License are granted for the term of


copyright on the Program, and are irrevocable provided the stated


conditions are met.  This License explicitly affirms your unlimited


permission to run the unmodified Program.  The output from running a


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similar laws prohibiting or restricting circumvention of such


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modification of the work as a means of enforcing, against the work's


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receive it, in any medium, provided that you conspicuously and


appropriately publish on each copy an appropriate copyright notice;


keep intact all notices stating that this License and any


non-permissive terms added in accord with section 7 apply to the code;


keep intact all notices of the absence of any warranty; and give all


recipients a copy of this License along with the Program.




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and you may offer support or warranty protection for a fee.




 5. Conveying Modified Source Versions.




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produce it from the Program, in the form of source code under the


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   a) The work must carry prominent notices stating that you modified


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   b) The work must carry prominent notices stating that it is


   released under this License and any conditions added under section


   7.  This requirement modifies the requirement in section 4 to


   "keep intact all notices".




   c) You must license the entire work, as a whole, under this


   License to anyone who comes into possession of a copy.  This


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used to limit the access or legal rights of the compilation's users


beyond what the individual works permit.  Inclusion of a covered work


in an aggregate does not cause this License to apply to the other


parts of the aggregate.




 6. Conveying Non-Source Forms.




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of sections 4 and 5, provided that you also convey the


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   long as you offer spare parts or customer support for that product


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   copy of the Corresponding Source for all the software in the


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   more than your reasonable cost of physically performing this


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   Corresponding Source from a network server at no charge.




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   with subsection 6b.




   d) Convey the object code by offering access from a designated


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   Corresponding Source in the same way through the same place at no


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   e) Convey the object code using peer-to-peer transmission, provided


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   Source of the work are being offered to the general public at no


   charge under subsection 6d.




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included in conveying the object code work.




 A "User Product" is either (1) a "consumer product", which means any


tangible personal property which is normally used for personal, family,


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 "Installation Information" for a User Product means any methods,


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modification has been made.




 If you convey an object code work under this section in, or with, or


specifically for use in, a User Product, and the conveying occurs as


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if neither you nor any third party retains the ability to install


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been installed in ROM).




 The requirement to provide Installation Information does not include a


requirement to continue to provide support service, warranty, or updates


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 Corresponding Source conveyed, and Installation Information provided,


in accord with this section must be in a format that is publicly


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unpacking, reading or copying.




 7. Additional Terms.




 "Additional permissions" are terms that supplement the terms of this


License by making exceptions from one or more of its conditions.


Additional permissions that are applicable to the entire Program shall


be treated as though they were included in this License, to the extent


that they are valid under applicable law.  If additional permissions


apply only to part of the Program, that part may be used separately


under those permissions, but the entire Program remains governed by


this License without regard to the additional permissions.




 When you convey a copy of a covered work, you may at your option


remove any additional permissions from that copy, or from any part of


it.  (Additional permissions may be written to require their own


removal in certain cases when you modify the work.)  You may place


additional permissions on material, added by you to a covered work,


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 Notwithstanding any other provision of this License, for material you


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that material) supplement the terms of this License with terms:




   a) Disclaiming warranty or limiting liability differently from the


   terms of sections 15 and 16 of this License; or




   b) Requiring preservation of specified reasonable legal notices or


   author attributions in that material or in the Appropriate Legal


   Notices displayed by works containing it; or




   c) Prohibiting misrepresentation of the origin of that material, or


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   authors of the material; or




   e) Declining to grant rights under trademark law for use of some


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   f) Requiring indemnification of licensors and authors of that


   material by anyone who conveys the material (or modified versions of


   it) with contractual assumptions of liability to the recipient, for


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   those licensors and authors.




 All other non-permissive additional terms are considered "further


restrictions" within the meaning of section 10.  If the Program as you


received it, or any part of it, contains a notice stating that it is


governed by this License along with a term that is a further


restriction, you may remove that term.  If a license document contains


a further restriction but permits relicensing or conveying under this


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of that license document, provided that the further restriction does


not survive such relicensing or conveying.




 If you add terms to a covered work in accord with this section, you


must place, in the relevant source files, a statement of the


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where to find the applicable terms.




 Additional terms, permissive or non-permissive, may be stated in the


form of a separately written license, or stated as exceptions;


the above requirements apply either way.




 8. Termination.




 You may not propagate or modify a covered work except as expressly


provided under this License.  Any attempt otherwise to propagate or


modify it is void, and will automatically terminate your rights under


this License (including any patent licenses granted under the third


paragraph of section 11).




 However, if you cease all violation of this License, then your


license from a particular copyright holder is reinstated (a)


provisionally, unless and until the copyright holder explicitly and


finally terminates your license, and (b) permanently, if the copyright


holder fails to notify you of the violation by some reasonable means


prior to 60 days after the cessation.




 Moreover, your license from a particular copyright holder is


reinstated permanently if the copyright holder notifies you of the


violation by some reasonable means, this is the first time you have


received notice of violation of this License (for any work) from that


copyright holder, and you cure the violation prior to 30 days after


your receipt of the notice.




 Termination of your rights under this section does not terminate the


licenses of parties who have received copies or rights from you under


this License.  If your rights have been terminated and not permanently


reinstated, you do not qualify to receive new licenses for the same


material under section 10.




 9. Acceptance Not Required for Having Copies.




 You are not required to accept this License in order to receive or


run a copy of the Program.  Ancillary propagation of a covered work


occurring solely as a consequence of using peer-to-peer transmission


to receive a copy likewise does not require acceptance.  However,


nothing other than this License grants you permission to propagate or


modify any covered work.  These actions infringe copyright if you do


not accept this License.  Therefore, by modifying or propagating a


covered work, you indicate your acceptance of this License to do so.




 10. Automatic Licensing of Downstream Recipients.




 Each time you convey a covered work, the recipient automatically


receives a license from the original licensors, to run, modify and


propagate that work, subject to this License.  You are not responsible


for enforcing compliance by third parties with this License.




 An "entity transaction" is a transaction transferring control of an


organization, or substantially all assets of one, or subdividing an


organization, or merging organizations.  If propagation of a covered


work results from an entity transaction, each party to that


transaction who receives a copy of the work also receives whatever


licenses to the work the party's predecessor in interest had or could


give under the previous paragraph, plus a right to possession of the


Corresponding Source of the work from the predecessor in interest, if


the predecessor has it or can get it with reasonable efforts.




 You may not impose any further restrictions on the exercise of the


rights granted or affirmed under this License.  For example, you may


not impose a license fee, royalty, or other charge for exercise of


rights granted under this License, and you may not initiate litigation


(including a cross-claim or counterclaim in a lawsuit) alleging that


any patent claim is infringed by making, using, selling, offering for


sale, or importing the Program or any portion of it.




 11. Patents.




 A "contributor" is a copyright holder who authorizes use under this


License of the Program or a work on which the Program is based.  The


work thus licensed is called the contributor's "contributor version".




 A contributor's "essential patent claims" are all patent claims


owned or controlled by the contributor, whether already acquired or


hereafter acquired, that would be infringed by some manner, permitted


by this License, of making, using, or selling its contributor version,


but do not include claims that would be infringed only as a


consequence of further modification of the contributor version.  For


purposes of this definition, "control" includes the right to grant


patent sublicenses in a manner consistent with the requirements of


this License.




 Each contributor grants you a non-exclusive, worldwide, royalty-free


patent license under the contributor's essential patent claims, to


make, use, sell, offer for sale, import and otherwise run, modify and


propagate the contents of its contributor version.




 In the following three paragraphs, a "patent license" is any express


agreement or commitment, however denominated, not to enforce a patent


(such as an express permission to practice a patent or covenant not to


sue for patent infringement).  To "grant" such a patent license to a


party means to make such an agreement or commitment not to enforce a


patent against the party.




 If you convey a covered work, knowingly relying on a patent license,


and the Corresponding Source of the work is not available for anyone


to copy, free of charge and under the terms of this License, through a


publicly available network server or other readily accessible means,


then you must either (1) cause the Corresponding Source to be so


available, or (2) arrange to deprive yourself of the benefit of the


patent license for this particular work, or (3) arrange, in a manner


consistent with the requirements of this License, to extend the patent


license to downstream recipients.  "Knowingly relying" means you have


actual knowledge that, but for the patent license, your conveying the


covered work in a country, or your recipient's use of the covered work


in a country, would infringe one or more identifiable patents in that


country that you have reason to believe are valid.




 If, pursuant to or in connection with a single transaction or


arrangement, you convey, or propagate by procuring conveyance of, a


covered work, and grant a patent license to some of the parties


receiving the covered work authorizing them to use, propagate, modify


or convey a specific copy of the covered work, then the patent license


you grant is automatically extended to all recipients of the covered


work and works based on it.




 A patent license is "discriminatory" if it does not include within


the scope of its coverage, prohibits the exercise of, or is


conditioned on the non-exercise of one or more of the rights that are


specifically granted under this License.  You may not convey a covered


work if you are a party to an arrangement with a third party that is


in the business of distributing software, under which you make payment


to the third party based on the extent of your activity of conveying


the work, and under which the third party grants, to any of the


parties who would receive the covered work from you, a discriminatory


patent license (a) in connection with copies of the covered work


conveyed by you (or copies made from those copies), or (b) primarily


for and in connection with specific products or compilations that


contain the covered work, unless you entered into that arrangement,


or that patent license was granted, prior to 28 March 2007.




 Nothing in this License shall be construed as excluding or limiting


any implied license or other defenses to infringement that may


otherwise be available to you under applicable patent law.




 12. No Surrender of Others' Freedom.




 If conditions are imposed on you (whether by court order, agreement or


otherwise) that contradict the conditions of this License, they do not


excuse you from the conditions of this License.  If you cannot convey a


covered work so as to satisfy simultaneously your obligations under this


License and any other pertinent obligations, then as a consequence you may


not convey it at all.  For example, if you agree to terms that obligate you


to collect a royalty for further conveying from those to whom you convey


the Program, the only way you could satisfy both those terms and this


License would be to refrain entirely from conveying the Program.




 13. Use with the GNU Affero General Public License.




 Notwithstanding any other provision of this License, you have


permission to link or combine any covered work with a work licensed


under version 3 of the GNU Affero General Public License into a single


combined work, and to convey the resulting work.  The terms of this


License will continue to apply to the part which is the covered work,


but the special requirements of the GNU Affero General Public License,


section 13, concerning interaction through a network will apply to the


combination as such.




 14. Revised Versions of this License.




 The Free Software Foundation may publish revised and/or new versions of


the GNU General Public License from time to time.  Such new versions will


be similar in spirit to the present version, but may differ in detail to


address new problems or concerns.




 Each version is given a distinguishing version number.  If the


Program specifies that a certain numbered version of the GNU General


Public License "or any later version" applies to it, you have the


option of following the terms and conditions either of that numbered


version or of any later version published by the Free Software


Foundation.  If the Program does not specify a version number of the


GNU General Public License, you may choose any version ever published


by the Free Software Foundation.




 If the Program specifies that a proxy can decide which future


versions of the GNU General Public License can be used, that proxy's


public statement of acceptance of a version permanently authorizes you


to choose that version for the Program.




 Later license versions may give you additional or different


permissions.  However, no additional obligations are imposed on any


author or copyright holder as a result of your choosing to follow a


later version.




 15. Disclaimer of Warranty.




 THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY


APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT


HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY


OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,


THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR


PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM


IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF


ALL NECESSARY SERVICING, REPAIR OR CORRECTION.




 16. Limitation of Liability.




 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING


WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS


THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY


GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE


USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF


DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD


PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),


EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF


SUCH DAMAGES.




 17. Interpretation of Sections 15 and 16.




 If the disclaimer of warranty and limitation of liability provided


above cannot be given local legal effect according to their terms,


reviewing courts shall apply local law that most closely approximates


an absolute waiver of all civil liability in connection with the


Program, unless a warranty or assumption of liability accompanies a


copy of the Program in return for a fee.




                    END OF TERMS AND CONDITIONS




           How to Apply These Terms to Your New Programs




 If you develop a new program, and you want it to be of the greatest


possible use to the public, the best way to achieve this is to make it


free software which everyone can redistribute and change under these terms.




 To do so, attach the following notices to the program.  It is safest


to attach them to the start of each source file to most effectively


state the exclusion of warranty; and each file should have at least


the "copyright" line and a pointer to where the full notice is found.




   <one line to give the program's name and a brief idea of what it does.>


   Copyright (C) <year>  <name of author>




   This program is free software: you can redistribute it and/or modify


   it under the terms of the GNU General Public License as published by


   the Free Software Foundation, either version 3 of the License, or


   (at your option) any later version.




   This program 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 General Public License for more details.




   You should have received a copy of the GNU General Public License


   along with this program.  If not, see <http://www.gnu.org/licenses/>.




Also add information on how to contact you by electronic and paper mail.




 If the program does terminal interaction, make it output a short


notice like this when it starts in an interactive mode:




   <program>  Copyright (C) <year>  <name of author>


   This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.


   This is free software, and you are welcome to redistribute it


   under certain conditions; type `show c' for details.




The hypothetical commands `show w' and `show c' should show the appropriate


parts of the General Public License.  Of course, your program's commands


might be different; for a GUI interface, you would use an "about box".




 You should also get your employer (if you work as a programmer) or school,


if any, to sign a "copyright disclaimer" for the program, if necessary.


For more information on this, and how to apply and follow the GNU GPL, see


<http://www.gnu.org/licenses/>.




 The GNU General Public License does not permit incorporating your program


into proprietary programs.  If your program is a subroutine library, you


may consider it more useful to permit linking proprietary applications with


the library.  If this is what you want to do, use the GNU Lesser General


Public License instead of this License.  But first, please read


<http://www.gnu.org/philosophy/why-not-lgpl.html>.






-------------------------------------------------------------------------




           GNU LESSER GENERAL PUBLIC LICENSE


               Version 3, 29 June 2007




Copyright c 2007 Free Software Foundation, Inc. <http://fsf.org/>


Everyone is permitted to copy and distribute verbatim copies of this


license document, but changing it is not allowed.




This version of the GNU Lesser General Public License incorporates


the terms and conditions of version 3 of the GNU General Public


License, supplemented by the additional permissions listed below.




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If the Library as you received it specifies that a proxy can decide


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