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Gabor Kelemen 9d51addcda Updated core
Project: help  2aa2111068d6506462f51c5b61c639a70068eda3

Display extended help on the Undo/Redo icons of Standard toolbar

Change-Id: I1a0687c925264625d6bafc2016a1487c008b6480
Reviewed-on: https://gerrit.libreoffice.org/44980
Reviewed-by: Gabor Kelemen <kelemeng@ubuntu.com>
Tested-by: Gabor Kelemen <kelemeng@ubuntu.com>
2017-11-20 21:57:14 +01:00
.git-hooks clang-format: enforce coding style via Jenkins 2017-11-20 13:41:40 +01:00
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android tdf#106370 Android: add ability to insert pictures 2017-11-16 06:31:48 +01:00
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basic silence some coverity warnings 2017-11-18 21:59:23 +01:00
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bin gbuild-to-ide cleaned up double scripts. 2017-11-18 16:12:06 +01:00
binaryurp Replace some lists by vectors in binaryurp 2017-11-18 07:49:45 +01:00
bridges Fix ASan "alloc-dealloc-mismatch (operator new [] vs operator delete)" 2017-11-14 11:44:12 +01:00
canvas Fix typos 2017-11-14 10:42:08 +01:00
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helpcontent2@2aa2111068 Updated core 2017-11-20 21:57:14 +01:00
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i18nlangtag Resolves: tdf#113835 add Fon [fon-BJ] to language list 2017-11-14 19:41:43 +01:00
i18npool Upgrade to ICU 60.1 2017-11-20 19:28:10 +01:00
i18nutil Upgrade to ICU 60.1 2017-11-20 19:28:10 +01:00
icon-themes Elementary Icons sc icon update 2017-11-20 00:35:23 +01:00
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include Upgrade to ICU 60.1 2017-11-20 19:28:10 +01:00
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ios iOS, updated app icon 2017-11-19 19:25:27 +01:00
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linguistic tdf#113739 add "Grammar By" feature to user dictionaries 2017-11-17 17:33:00 +01:00
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offapi Add comment and @since LibreOffice 5.2 2017-11-14 15:55:58 +01:00
officecfg Move position of Formula in File > New to similar to start center 2017-11-20 15:47:22 +01:00
onlineupdate Fix typos 2017-11-19 21:57:17 +01:00
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sc tdf#89216 forward empty cells as empty to BASIC instead of 0.0 2017-11-20 17:08:05 +01:00
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LibreOffice

Coverity Scan Build Status CII Best Practices

LibreOffice is an integrated office suite based on copyleft licenses and compatible with most document formats and standards. Libreoffice is backed by The Document Foundation, which represents a large independent community of enterprises, developers and other volunteers moved by the common goal of bringing to the market the best software for personal productivity. LibreOffice is open source, and free to download, use and distribute.

A quick overview of the LibreOffice code structure.

Overview

You can develop for LibreOffice in one of two ways, one recommended and one much less so. First the somewhat less recommended way: it is possible to use the SDK to develop an extension, for which you can read the API docs here and here. This re-uses the (extremely generic) UNO APIs that are also used by macro scripting in StarBasic.

The best way to add a generally useful feature to LibreOffice is to work on the code base however. Overall this way makes it easier to compile and build your code, it avoids any arbitrary limitations of our scripting APIs, and in general is far more simple and intuitive - if you are a reasonably able C++ programmer.

The build chain and runtime baselines

These are the current minimal operating system and compiler versions to run and compile LibreOffice, also used by the TDF builds:

  • Windows:
    • Runtime: Windows 7
    • Build: Cygwin + Visual Studio 2015 Update 3
  • macOS:
    • Runtime: 10.9
    • Build: 10.12 + Xcode 8
  • Linux:
    • Runtime: RHEL 6 or CentOS 6
    • Build: GCC 4.8.1 or Clang
  • iOS (only for LibreOfficeKit):
    • Runtime: 11.0 (only support for newer i devices == 64 bit)
    • Build: Xcode 9.0 and iPhone SDK 11.1

If you want to use Clang with the LibreOffice compiler plugins, the minimal version of Clang is 3.4. Since Xcode doesn't provide the compiler plugin headers, you have to compile your own Clang to use them on macOS.

You can find the TDF configure switches in the distro-configs/ directory.

To setup your initial build environment on Windows and macOS, we provide the LibreOffice Development Environment (LODE) scripts.

For more information see the build instructions for your platform in the TDF wiki.

The important bits of code

Each module should have a README file inside it which has some degree of documentation for that module; patches are most welcome to improve those. We have those turned into a web page here:

http://docs.libreoffice.org/

However, there are two hundred modules, many of them of only peripheral interest for a specialist audience. So - where is the good stuff, the code that is most useful. Here is a quick overview of the most important ones:

Module Description
sal/ this provides a simple System Abstraction Layer
tools/ this provides basic internal types: 'Rectangle', 'Color' etc.
vcl/ this is the widget toolkit library and one rendering abstraction
framework UNO framework, responsible for building toolbars, menus, status bars, and the chrome around the document using widgets from VCL, and XML descriptions from /uiconfig/ files
sfx2/ legacy core framework used by Writer/Calc/Draw: document model / load/save / signals for actions etc.
svx/ drawing model related helper code, including much of Draw/Impress

Then applications

Module Description
desktop/ this is where the 'main' for the application lives, init / bootstrap. the name dates back to an ancient StarOffice that also drew a desktop
sw/ Writer
sc/ Calc
sd/ Draw / Impress

There are several other libraries that are helpful from a graphical perspective:

Module Description
basegfx/ algorithms and data-types for graphics as used in the canvas
canvas/ new (UNO) canvas rendering model with various backends
cppcanvas/ C++ helper classes for using the UNO canvas
drawinglayer/ View code to render drawable objects and break them down into primitives we can render more easily.

Rules for #include directives (C/C++)

Use the "..." form if and only if the included file is found next to the including file. Otherwise, use the <...> form. (For further details, see the mail Re: C[++]: Normalizing include syntax ("" vs <>).)

The UNO API include files should consistently use double quotes, for the benefit of external users of this API.

Finding out more

Beyond this, you can read the README files, send us patches, ask on the mailing list libreoffice@lists.freedesktop.org (no subscription required) or poke people on IRC #libreoffice-dev on irc.freenode.net - we're a friendly and generally helpful mob. We know the code can be hard to get into at first, and so there are no silly questions.