Scwm

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Scwm

Scwm or Scheme Constraints Window Manager is a window manager

X window manager

An X window manager is a window manager which runs on top of the X Window System, a windowing system mainly used on Unix-like systems.Unlike the Mac OS and Microsoft Windows platforms, which have historically provided a vendor-controlled, fixed set of ways to control how windows and paned windows display on a Computer display, and how the...
for the X Window System

X Window System

The X Window System is a computing software system and network protocol that provides a graphical user interface for networked computers. It implements the X Window System protocols and architecture and provides windowing system on raster graphics Visual display units and manages Keyboard and pointing device control functions....
. Its main features are dynamic configurability and programmability via a language based on GNU Guile

GNU Guile

GNU Guile is an interpreter /virtual machine for the Scheme . It was first released in 1993. Guile includes modularized extensions for POSIX system calls, APL array functionality, and others, packaged as an Object library Library ....
and the embedded arithmetic Cassowary constraint solver

Cassowary constraint solver

Cassowary is an incremental constraint solving toolkit that efficiently solves systems of linear equalities and inequalities. Constraints may be either requirements or preferences....
. The primary developers were Greg Badros and Maciej Stachowiak.

The constraint solver is used to constrain window behavior.

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Encyclopedia

Scwm or Scheme Constraints Window Manager is a window manager

X window manager

X Window System

GNU Guile

Cassowary constraint solver

Cassowary is an incremental constraint solving toolkit that efficiently solves systems of linear equalities and inequalities. Constraints may be either requirements or preferences....
re-solves the system of equalities and inequalities and applies the new mathematical solution to the on-screen layout, animating windows to their new positions. Other features include flexible GUI-driven customization and per window decoration settings (per window 'themes').

Scwm, like many window managers, began from Fvwm

FVWM

The F Virtual Window Manager is a virtual window manager for the X Window System. Originally a twm derivative, FVWM has evolved into a powerful and highly configurable environment for Unix systems....
, another highly configurable window manager.. Scwm development has been stagnant since 2000 when Badros completed his Ph.D. at the University of Washington

University of Washington

University of Washington, founded in 1861, is a public research university in Seattle, Washington, Washington, United States. Also known as Washington and locally as UW or the U, it is the largest university in the northwestern United States and the oldest public university on the west coast....
; the last updates to the CVS

Concurrent Versions System

In the field of software development, the Concurrent Versions System , also known as the Concurrent Versioning System, is a free software revision control system....
repository have focused on maintaining compatibility with Guile 1.4.x.

Scwm

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