glutsetwindowstayontop(3) centos man page | unix.com

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NAME
     glutSetWindowStayOnTop -- Set stay on top mode for current window

LIBRARY
     OpenGLUT - experimental

SYNOPSIS
     #include <openglut.h>

     void
     glutSetWindowStayOnTop(int enable);

PARAMETERS
      enable  Either  GL_TRUE  or  GL_FALSE

DESCRIPTION
CAVEATS
     Does not work on all window managers.

     Sends the Icewm style message to all window managers (KDE, twm, blackbox, ratpoison, amiwm, and whatever others you have).  Can we detect
     Icewm reliably and only send the Icewm formatted message for Icewm?  Possibbly harmless as it stands, but looks wrong.

TODO
     Can a glutGet() be defined to tell us whether a window can be made to stay on top?  Or whether a window has (successfully) been marked for
     staying on top?

     Should walk the tree of menus and glutPopWindow() (or all windows that are of menu-window type?).

     Investigate making a workalike variant using glutPopWindow() to mimic the feature where not directly supported.

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