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Enlightenment (software)

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Enlightenment
Original author(s)Carsten Haitzler
Developer(s)E17 Development Team
Initial release1997
Stable release
E17 0.17.4 / 2 August 2013; 10 years ago (2013-08-02)[1]
Preview release
E18 0.17.99.83478 / 31 January 2013; 11 years ago (2013-01-31)[2]
Repository
Written inC
Operating systemUnix-like
TypeWindow manager
LicenseBSD
Websitewww.enlightenment.org

Enlightenment, also known simply as E, is a stacking window manager for the X Window System which can function as a compositing window manager as well. It may be used alone as a substitute for a full desktop environment, or in conjunction with a desktop environment such as GNOME or KDE. The latest stable release is E17.

History

The first version of Enlightenment was released by Rasterman (Carsten Haitzler) in 1997.[3]

Version 0.17, also referred to as E17, was in development for 12 years starting in December 2000 [4] until 21 December 2012 when it was officially presented to the world as a stable release.[5] During the development period it was also referred to as DR17 (Development Release 17).

It is a complete rewrite on DR16 and was designed to be a full-fledged desktop shell, based on the new Enlightenment Foundation Libraries (EFL).

E16 itself is still in active development which runs independently on E17 and reached the 1.0 milestone in 2009 (1.0.11 as of 2013).

Enlightenment developers have referred to it as "the original eye-candy window manager".[6]

Features

E16

  • Enlightenment allows you to have a grid of workspaces called virtual desktops. Switching between them is achieved by hurling the mouse cursor to the edge of the screen, at which the desktop appears to slide across to reveal the next. The maximum grid size is currently 8 by 8 desktops, and you can have 32 grids (each with a different background), making 2048 total possible desktop spaces. (Users can enable a map of the desktops, in case they get lost, which is called the pager.)
  • The desktop dragbar allows a desktop to be 'slid back' to reveal the desktop 'underneath'. The E team use the analogy of sheets of paper, stacked on top of each other, where you can slide off a piece partially to reveal what's beneath.
  • Window grouping – the ability to put windows into groups so that they can all be moved, resized, closed, etc. together.
  • Iconification – reducing windows to an icon, stored in 'iconboxes' that can be placed about the screen.
  • Ability to change window borders (or remove borders and title bars completely).
  • Users can create keybindings for actions such as maximizing windows, launching programs, moving between desktops and moving the mouse cursor, hence making it possible to use Enlightenment solely with a keyboard. e16keyedit is a graphical program for simplifying keybinding creation.
  • It contains a command line interface, eesh, which affects the window manager actions, and makes it possible to write powerful shell scripts controlling most features on the desktop - from settings to single window manipulations.
  • Newer versions include compositing effects such as fading and transparency.

One of the aims of the window manager is to be as configurable as possible, and to this end, it includes customization dialogs for focus settings, window movement, resizing, grouping and placement settings, audio, multiple desktop, desktop background, pager, tooltip and autoraise settings. It also includes a special effects dialog, including a desktop 'ripple' effect.

E17

E17 has many core features such as:

  • Fully themeable, with both a menu-based and command-line theme-changing interface
  • A built-in file manager
  • Icons on the desktop
  • Virtual desktop grid feature
  • Modular design – can dynamically load external modules. Currently available modules include:
    • Pager – Switching between different virtual desktops
    • iBar – Launching applications
    • iBox - Holding minimized applications
    • Engage (formerly known as iTask NG) – A dock similar to the Mac OS X dock
    • Dropshadow – Provides a drop-shadow for every window
    • Clock – Analog and digital clock
    • Battery – Monitoring a laptop battery
    • CPUFreq – Monitoring a laptop CPU
    • Temperature – Monitoring laptop temperature
    • Illume - Modifies the user interface of enlightenment to work cleanly on a mobile device
    • Composite - Allows the user to run enlightenment with composite effects
  • One or more shelves to manage the gadget placement and appearance on the screen
  • Animated, interactive desktop backgrounds, menu items, iBar items and desktop widgets are all possible
  • Window shading, iconification, maximising and sticky settings
  • Customizable key bindings
  • Support for internationalization
  • Standardized – supports all needed standards (NetWM, ICCCM, XDG and so on)

Developers

Principal

Inactive

  • Geoff "Mandrake" Harrison[8]

See also

References

  1. ^ etrunko. "New EFL stable release: 1.7.8 and Enlightenment 0.17.4".
  2. ^ Mike Blumenkrantz. "E17 bugfix release, E18 + EDBUSv2 snapshots".
  3. ^ "Enlightenment DR16". Enlightenment.
  4. ^ Geisler, Martin (9 December 2000). "E17 has been committed to CVS". Martin Geisler Online.
  5. ^ Blumenkrantz, Mike. "E17 Release: ZERO". Enlightenment.org. Retrieved 22 December 2012.
  6. ^ Keith Packard, Deron Johnson (3 July 2007). "Composite Extension".
  7. ^ Hisham Mardam Bey. "About Me". CodeWarrior's Cruft.
  8. ^ "About Mandrake". mandrake.net.
  9. ^ "Quelitu: A Free Computer Operating System for the Environment". Waves of the Future. Retrieved 19 August 2012.

External links

Wikibooks has a book on the topic of: The Unofficial Enlightenment User's Manual

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