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Software architecture

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This section does not cite any sources . Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources:  "X Window System" – news  · newspapers  · books  · scholar  · JSTOR ( October 2020 ) (Learn how and when to remove this template message) X uses a client–server model: an X server communicates with various client programs. The server accepts requests for graphical output (windows) and sends back user input (from keyboard, mouse, or touchscreen). The server may function as: an application displaying to a window of another display system a system program controlling the video output of a PC a dedicated piece of hardware This client–server terminology – the user's terminal being the server and the applications being the clients – often confuses new X users, because the terms appear reversed. But X takes the perspective of the application, rather than that of the end-user: X provides displ...
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Limitations and criticism

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This article's Criticism or Controversy section may compromise the article's neutral point of view of the subject . Please integrate the section's contents into the article as a whole, or rewrite the material. ( July 2014 ) The Unix-Haters Handbook (1994) devoted a full chapter to the problems of X. Why X Is Not Our Ideal Window System (1990) by Gajewska, Manasse and McCormack detailed problems in the protocol with recommendations for improvement. User interface issues edit The lack of design guidelines in X has resulted in several vastly different interfaces, and in applications that have not always worked well together. The Inter-Client Communication Conventions Manual (ICCCM), a specification for client interoperability, has a reputation for being difficult to implement correctly. Further standards efforts such as Motif and CDE did not alleviate problems. This has frustrated users and programmers. Graphics programmers now generally address consistency of applicatio...
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User interfaces

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This section does not cite any sources . Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources:  "X Window System" – news  · newspapers  · books  · scholar  · JSTOR ( October 2020 ) (Learn how and when to remove this template message) X primarily defines protocol and graphics primitives – it deliberately contains no specification for application user-interface design, such as button, menu, or window title-bar styles. Instead, application software – such as window managers, GUI widget toolkits and desktop environments, or application-specific graphical user interfaces – define and provide such details. As a result, there is no typical X interface and several different desktop environments have become popular among users. A window manager controls the placement and appearance of application windows. This may result in desktop interfaces reminiscent of those of Microsoft Windows or of the ...
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