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Top Forums UNIX for Advanced & Expert Users How a windowing system is implemented in C ? Post 302888398 by coolatt on Friday 14th of February 2014 05:31:53 AM
Old 02-14-2014
Debian How a windowing system is implemented in C ?

Hi All,
I was wondering how using C the programmers have implemented a GUI (x window & ms windows). Am curious to learn about the overall architecture.

I learned a bit about graphics primitives, memory mapped io, etc
I want to learn more whether the above is the foundation upon which modern GUI are built on both Windows & Linux.
Also, i want to know how the Kernel comes into play here.
 

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PLTEXT(3plplot) 						    PLplot API							   PLTEXT(3plplot)

NAME
pltext - Switch to text screen SYNOPSIS
pltext() DESCRIPTION
Sets an interactive device to text mode, used in conjunction with plgra(3plplot) to allow graphics and text to be interspersed. On a device which supports separate text and graphics windows, this command causes control to be switched to the text window. This can be use- ful for printing diagnostic messages or getting user input, which would otherwise interfere with the plots. The program must switch back to the graphics window before issuing plot commands, as the text (or console) device will probably become quite confused otherwise. If already in text mode, this command is ignored. It is also ignored on devices which only support a single window or use a different method for shifting focus (see also plgra(3plplot)). Redacted form: pltext() This function is used in example 1. AUTHORS
Geoffrey Furnish and Maurice LeBrun wrote and maintain PLplot. This man page was automatically generated from the DocBook source of the PLplot documentation, maintained by Alan W. Irwin and Rafael Laboissiere. SEE ALSO
PLplot documentation at http://plplot.sourceforge.net/resources. August, 2012 PLTEXT(3plplot)
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