From 2b2735829af5aae42c737c3c56a97a57dc364c66 Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@operamail.com>
Date: Thu, 23 Jul 2015 08:39:08 +0200
Subject: new idea: epimonitors
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Signed-off-by: Mattias Andrée <maandree@operamail.com>
---
 TODO                 |  2 +-
 doc/info/mds.texinfo | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 61 insertions(+), 2 deletions(-)

diff --git a/TODO b/TODO
index 4d7e0b2..7452bb7 100644
--- a/TODO
+++ b/TODO
@@ -16,7 +16,7 @@ Extra servers:
 	tray		retro-crt	kbd2rat		multikey
 	keystick	posmem		nest		mds
 	meta		keybounce	slowkey		keycue
-	ratbarrier	desktop
+	ratbarrier	desktop		epimon
 	a speech-to-keyboard server
 	some server that hides the cursor when appropriate, such
 	  as when the user starts typing
diff --git a/doc/info/mds.texinfo b/doc/info/mds.texinfo
index cf622bf..00b832c 100644
--- a/doc/info/mds.texinfo
+++ b/doc/info/mds.texinfo
@@ -1784,6 +1784,7 @@ server.
 * mds-crtc::                                  The @command{mds-crtc} server.
 * mds-dri::                                   The @command{mds-dri} server.
 * mds-fb::                                    The @command{mds-fb} server.
+* mds-epimon::                                The @command{mds-epimon} server.
 * mds-mds::                                   The @command{mds-mds} server.
 * mds-meta::                                  The @command{mds-meta} server.
 * mds-seat::                                  The @command{mds-seat} server.
@@ -2508,6 +2509,29 @@ using framebuffers.
 
 
 
+@node mds-epimon
+@section @command{mds-epimon}
+
+@pgindex @command{mds-epimon}
+@cpindex CRTC
+@cpindex Cathode ray tube controller
+@cpindex Presentation
+@cpindex Display of content
+@cpindex Content, display
+@cpindex Epimonitor
+@cpindex Monitor, epi-
+@cpindex Cinerama
+@pgindex @command{mds-cinerama}
+@command{mds-epimon} is a server that provides
+a logical monitor on top of another monitor or
+cinerama, an epimonitor. The epimonitor is position
+is inside the physical monitor. This lets you
+for example start a single-monitor full screen game
+but keep a part, for example the status bar with
+the clock, visible.
+
+
+
 @node mds-mds
 @section @command{mds-mds}
 
@@ -11035,7 +11059,8 @@ Should be added if you are running an
 @chapter New Concepts
 
 @menu
-* Metadisplay Server::                        Goals and features and metadisplays.
+* Metadisplay Server::                        Goals and features of metadisplays.
+* Epimonitor::                                Goals and features of epimonitors.
 @end menu
 
 
@@ -11092,6 +11117,40 @@ output servers, and even windowing servers.
 
 
 
+@node Epimonitor
+@section Epimonitor
+
+@pgindex @command{mds-epimon}
+@cpindex CRTC
+@cpindex Cathode ray tube controller
+@cpindex Presentation
+@cpindex Display of content
+@cpindex Content, display
+@cpindex Epimonitor
+@cpindex Monitor, epi-
+@cpindex Cinerama
+@pgindex @command{mds-cinerama}
+There are two forms of logical monitors: cineramas
+and epimonitor. A cinerama combines monitors into
+one monitor. Epimonitors takes a subset of a single
+monitor. Similar to having two monitors with overlaping
+output,@footnote{For example a monitor with mode--position
+1600x1200+0+0 and a monitor with mode--position
+1600x1200+800+600.} An epimonitor overlaps with another
+monitor, but only with that monitor and cannot be outside
+it even partially. But it does not need to cover it
+completely. This allows you to put a full-screen window
+on the epimonitor and thus only partially cover the
+physical monitor; for example keeping the clock visible.
+
+Epimonitors do not need to be placed inside a physical
+monitor. They can be placed on top of a logical monitor
+too. Putting an epimonitor on top of a cineramma lets
+you create a logical monitor that covers multiple
+monitors partially.
+
+
+
 @node Discussion
 @chapter Discussion
 
-- 
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