Software components: Difference between revisions
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{{OLPC}} |
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{{Translations}} |
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{{TOCright}} |
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:'''''See [[Activities]] for downloadable software.''''' |
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[[Software]] has some general discussion. |
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==Operating system== |
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* Linux Kernel: Linux 2.6.22; [http://fedoraproject.org/ Fedora] 7 base environment. |
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** The OLPC specific bits of the kernel are pulled from the olpc-2.6 GIT tree on dev.laptop.org: (http://dev.laptop.org/git?p=olpc-2.6) |
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==Programming environment== |
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* [[Python]] (Version 2.5); |
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* [[JavaScript]]™; |
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* [[Csound]], music programming language; |
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* The [[Etoys]] implementation of [[Squeak]] using Smalltalk, an object-based programming language; |
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** Please see [[Sugar Etoys]] for a detailed description of the Sugar implementation |
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* [[Turtle Art]], a graphical programming environment; |
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* Gnash, a free and open source plug-in for the Adobe Flash™ file format supporting vector and raster graphics, a scripting language called ActionScript™ and streaming of audio and video; |
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* Adobe's Flash Player and Java™ virtual machine can be added via Yum or RPM install but are not part of the standard distribution. |
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===Libraries=== |
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* Mozilla [http://www.mozilla.org/newlayout/ Gecko]/[[Xulrunner]] (the Firefox web engine); |
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* GUI toolkit ([http://www.gtk.org/ GTK+]) ([http://www.gnome.org Gnome]); |
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* [http://projects.o-hand.com/matchbox Matchbox] window manager; |
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* [http://www.pango.org/ Pango] text layout; |
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* Gnome accessibility toolkit ([http://developer.gnome.org/projects/gap/ ATK]); |
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* Python [[GTK for OLPC | GTK]]+ bindings version 2.10; |
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* [http://cairographics.org/ Cairo] 2D-graphics support; |
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* [http://x.org X Window System] X.org Foundation; |
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* Font rendering ([http://www.freetype.org/ Freetype]); |
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* [http://telepathy.freedesktop.org/ Telepathy] real-time communications framework; |
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* [http://avahi.org/ Avahi] local service discovery; |
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* Multimedia framework: [[GStreamer]] and [http://www.helixcommunity.org RealNetworks]; |
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* [[Bitfrost]] security system; |
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* Mesh network; |
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* Game library: [[Pygame]] |
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Libraries to support all of the above, others can be installed by Yum or RPM. |
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===User environment=== |
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* [[Sugar]] graphical user interface, written in Python, on top of the X Window System and the Matchbox Window Manager. |
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** “Zooming” interface to mesh network; |
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** [[Journal]] interface to file system; |
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Flash space available for other software content ~800 MiB. |
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==Applications== |
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There are three types of activities distributed with the base system: tools for exploring, expressing, and collaborating. A matrix of applications that have been (or are being) built for the laptop can be found [[Activities|here]]. |
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===Tools for exploring=== |
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* a [[Browse|web browser]] built on the [[xulrunner | Firefox engine]]; |
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* a simple [[Read|document viewer]] based upon [http://www.gnome.org/projects/evince/ evince] (including the ability to view PDF); |
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* [[News Reader]], an RSS (“really simple syndication”) reader ([http://penguintv.sourceforge.net/ PenguinTV]); |
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* multimedia playback using gstreamer (the Real Networks Helix™ platform has been ported to the laptop and is available for download but is not part of the base distribution); |
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* OpenDocument Viewer to read documents in OpenDocument format, a highly-compressed format that is a fully open international standard (ISO 26300); |
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* The [[Opera]] web browser and the Real Networks [[Helix media activity|Helix™]] platform have been ported to the laptop and are available for download but not part of the standard distribution. |
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* [[Measure]], a tool for exploring the physical world by measuring DC and AC voltages, observing them on a oscilloscope-like interface, being able to watch waveforms in frequency domain (spectrum analyzer), logging data at a specified time interval, and drawing the graph of logged data. |
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===Tools for expressing=== |
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* [[TamTam]], a music synthesis and composition tool; |
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* Etoys (see above); |
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* a [[Write|word processor]] based upon the [[Abiword]] project; |
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* [[Record]] video, audio, and still-image capture and playback (a “video wiki” is under development); |
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* [[Draw]], a pixel-paint programming; |
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* a [[OLPC_Human_Interface_Guidelines#Journaling|journal]]; |
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* [[MikMik]], a wiki with WYSIWYG editing, using [[Crossmark]] (under development); |
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* [http://www.vim.org VIM] and NANO text editors. |
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===Tools for communicating=== |
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* [[Chat]] and serverless instant messenger; |
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* [[Video Chat]] (under development); |
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* a VoIP client (under development); |
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* Email through the web-based Gmail service; |
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* Native email client (under development). |
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===Other Tools=== |
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* Calculator; |
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* Spreadsheet (under development); |
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* a shell and debugger; |
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* [[Develop]], an activity editor (under development); |
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* [http://foss.sit.rp.sg/main Remote Desktop], a tool to remotely control XO laptop; |
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===Games=== |
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* Numerous games, including variations of the “memory game”, strategy games, etc. |
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See the games list on the activities download page [[Activities#Games]] |
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===Shared Applications=== |
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All applications share a common data store accessible through the Journal; |
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Most applications, including reading, writing, recording and browsing, allow for collaboration; through the network: child-to-child and teacher-to-child. See [[Activity Sharing]] and [[Shared Sugar Activities]] and [[Tubes Tutorial]]. |
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==Mesh Networking== |
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* The specifications for the wireless networking interface include: |
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* Ability to act as a mesh point when laptop's main CPU is off; |
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* Support for asymmetric links/paths; |
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* Incremental releases—mesh networking is available immediately on XO; Upgrades will continue to improve functionality and adherence with standards; |
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* Simultaneously acts as a mesh point and an infrastructure node. |
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* Standards Compliance: follow 802.11s draft when possible. |
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== Additional [[Software projects]] == |
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* [[Measure_/_Oscilloscope]] |
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* [[OLPCities]], a virtual world programming environment |
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* [[FACIL]], a webpage editor developed to be used by children. (In English at http://wiki.laptop.org/go/EASE) |
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* [[Musical Editor]], a music composition toolkit |
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* [[Drawing Workshop]], a shared graphics space |
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* [[Tux Paint]], a paint program with extreme ease-of-use |
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* [[BlockParty]], a Tetris-like game that exploits the mesh |
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* chat, serverless linux instant messenger http://retroshare.sf.net , VOIP, email |
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* a shell and debugger |
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* [[Develop]], an activity editor |
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==See also== |
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* [[Software|Software overview]] |
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** [[Software/Goals|Software goals]] |
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** [[OLPC on open source software]] |
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** [[Our_software|Software FAQ]] |
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** [[Software ideas]] |
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** [[Documentation]] |
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* [[OLPC Human Interface Guidelines]] |
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** [[Sugar]] |
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** [[Activities]] |
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** [[542_Demo_Notes|Demo notes]] |
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* [[Developers program]] |
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** [[Autoreinstallation_image|Updating your software image]] |
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** [[Customizing NAND images]] |
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*** [[Localization]] |
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*** [[Python_i18n]] |
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** [[OS_images_for_emulation|Using an emulator]] |
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** [[Hacking Sugar]] |
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*** [[Sugar Architecture]] |
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*** [[Sugar_with_sugar-jhbuild|Building the Sugar environment]] |
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*** [[Sugar on Fedora_7]] |
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*** [[Activity Sharing]] |
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*** [[Shared Sugar Activities]] |
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*** [[Tubes Tutorial]] |
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*** [[Low-level Activity API]] |
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** [[Ejabberd Configuration|Running your own XMPP server]] |
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** [http://dev.laptop.org Bug reporting/tracking] |
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** [[Test issues]] |
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*** [[Test Group Release Notes]] |
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*** [[Test_Config_Notes#OLPC_Update|Updating to test configurations]] |
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** [[:Category:API|Sugar-specific APIs]] |
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* [[School server]] |
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** [[XS Server Software]] |
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** [[XS Installing Software]] |
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[[Category:Software ideas]] |
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[[Category:Resources]] |
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[[Category:Software]] |
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[[Category:Sugar]] |
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