6f20cee79c
Start collecting the per-screen data into an own struct. Leaving this struct in a global array (just like the individual fields) right now, because several places still need to iterate over it. In later steps might move into a per screen's devPrivate. Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
X Server
The X server accepts requests from client applications to create windows, which are (normally rectangular) "virtual screens" that the client program can draw into.
Windows are then composed on the actual screen by the X server (or by a separate composite manager) as directed by the window manager, which usually communicates with the user via graphical controls such as buttons and draggable titlebars and borders.
For a comprehensive overview of X Server and X Window System, consult the following article: https://en.wikipedia.org/wiki/X_server
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https://lists.freedesktop.org/mailman/listinfo/xorg
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https://gitlab.freedesktop.org/xorg/xserver
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