LibreOffice Developer Consultant Software Engineer @Collabora · LibreOffice Development Workshop, METU NCC, 2018 Code Reading Timeline of major StarOffice derivatives 1985 1994 1995

Muhammet KaraLibreOffice DeveloperConsultant Software Engineer @Collabora

Development Workshop

LibreOffice Development Workshop, METU NCC, 2018

Why LibreOffice?

Libre/free, powerfullFun project & fantastic communityLucrative experience11 students @GSoC 2018Various companies, as part of the community


Companies/Institutions

CanonicalCIBCollaboraIgaliaRed HatSUSEThe Document FoundationTÜBİTAK ULAKBİMSome Turkish companies


Required Skills

Programming

Code reading

Patience


Programming

C++ → Main language of core

Python → Testing

Javascript → LO Online

Java, BASIC...


Code Reading

Timeline of major StarOffice derivatives

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 20161996 1997 1998 19991994 19951985 2017 2018

StarOffice 1.0

StarOffice 2.0

StarOffice 3.0

StarOffice 3.1

StarOffice 4.0

StarOffice 5.0

StarOffice 5.1

StarOffice 5.2

StarOffice 6.0

OpenOffice.org 638c

OOo 1.1

ooo-build

NeoOffice 3.1

NeoOffice 3.2

NeoOffice 3.3

NeoOffice 2013

NeoOffice 2014

NeoOffice 2015

LO 3.5

LO 3.4

LO 3.3

LO 3.3b

LO 3.6

LO 4.0

LO 4.1

LO 4.2

LO 4.3

LO 4.4

LO 5.1

LO 5.2

LO 5.0

LibreOffice 5.3

StarOffice 8.0

StarOffice 7.0

OOo 1.0

StarOffice 9.0

OOo 2.0

OOo 2.1

OOo 2.2

OOo 2.3

Oracle OpenOffice

3.3

Apache OpenOffice

3.4AOO 4.0

AOO 4.1

OOo 2.4

OOo 3.0

OOo 3.1

OOo 3.2

OOo 3.3b

WorkPlace 2.6

IBM Symphony 1.0

IBM Symphony 3.0

Go-oo 2.3

Go-oo 2.4

Go-oo 3.0

Go-oo 3.1

Go-OpenOffice 3.2

NeoOffice 2.1

NeoOffice 1.2

NeoOffice 2.2

NeoOffice 3.0


Code Reading


Patience

Many languages

Hundreds of classes

Complicated relations

Note taking

Logging

Small steps

Asking for help


What is where?

C++ code → .cxx, .hxx

Interface designs (XML) → .ui

String literals → .src, .hrc


Tools - Offline

IDE/Editor: Vim, emacs, KDevelop, eclipse…

Git, grep → Code management & search

Glade → Interface design


Tools - Online

GerritBugzillaTDF WikiOpenGrokCppcheck

http://devcentral.libreoffice.org/

http://devcentral.libreoffice.org/


Let’s Start

Get & build the source codeChoose a problem/bug to solveFind the relevant code segmentDig deeperTest the changesSubmit patch


Get & Build the Source Code

git clone https://gerrit.libreoffice.org/core libreoffice

sudo apt-get build-dep libreoffice

./autogen.shmake

./instdir/program/soffice

https://www.libreoffice.org/about-us/source-code/

https://www.libreoffice.org/about-us/source-code/


IDE Integration

make & make check

make qtcreator-ide-integration

https://wiki.documentfoundation.org/Development/IDE

Code completionGo to definition, find usagesSwitch between header and source easily & quicklyIntegrated debuggingFamilier interface...

https://wiki.documentfoundation.org/Development/IDE


Find the Relevant Code Segment

OpenGrok

git grepgit grep “a string on a dialog”

http://docs.libreoffice.org/

E-mail listhttp://lists.freedesktop.org/mailman/listinfo/libreoffice

IRC#libreoffice-dev @ freenode

http://docs.libreoffice.org/http://lists.freedesktop.org/mailman/listinfo/libreoffice


Dig deeper...

Enable debugging./autogen.sh –enable-debugmakemake dev-install

Run with GDBcd [lo-root]/install/program. ./ooenvgdb ./soffice.bin(gdb) run

http://www.yolinux.com/TUTORIALS/GDB-Commands.html

http://www.yolinux.com/TUTORIALS/GDB-Commands.html


Test the changes

Rebuild a single modulemake [module-name]

Run tests/checksmake check

Run & check manually


Submit the Patch

Register on gerrit, and complete the setuphttps://wiki.documentfoundation.org/Development/gerrit

Commit the changesgit commit

Submit to gerrit./logerrit submit master

https://wiki.documentfoundation.org/Development/gerrit


More...

http://www.libreoffice.org/community/developers/

http://www.libreoffice.org/community/developers/


LibreOffice is being developed, improved, and distributed by a world-wide community of volunteers (individuals & companies).You can also join the LibreOffice project as a:

DeveloperTesterTranslatorSupport volunteerDesignerMarketer…

www.libreoffice.org.tr

Community


All text and image content in this document is licensed under the Creative Commons Attribution-Share Alike 3.0 License (unless otherwise specified). "LibreOffice" and "The Document Foundation" are registered trademarks. Their respective logos and icons are subject to international copyright laws. The use of these therefore is subject to the trademark policy.

Thank you!https://muhammetkara.com

[email protected]@collabora.com

@muhamm3tkara

http://libreoffice.orghttps://wiki.documentfoundation.org/Developmenthttp://www.gnome.org/~michael/blog/http://www.lanedo.com/libreoffice-development-howto/

References

http://creativecommons.org/licenses/by-sa/3.0/http://wiki.documentfoundation.org/TradeMark_Policyhttps://muhammetkara.com/mailto:[email protected]:[email protected]://libreoffice.org/https://wiki.documentfoundation.org/Developmenthttp://www.gnome.org/~michael/blog/http://www.lanedo.com/libreoffice-development-howto/

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LibreOffice Developer Consultant Software Engineer @Collabora · LibreOffice Development Workshop, METU NCC, 2018 Code Reading Timeline of major StarOffice derivatives 1985 1994 1995

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