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[Bug 729903] Re: Xrandr, Handle RRScreenChangeNotify in src/screen.cpp

 

We didn't manage to reproduce this bug, plus it's quite old and Natty is
not supported anymore. Therefore I changed the status to Won't Fix. If
you are still having the problem in one of the supported Ubuntu releases
please feel free to re-open it and update the description. Thank you!

** Changed in: compiz
       Status: Triaged => Won't Fix

** Changed in: compiz (Ubuntu)
       Status: Confirmed => Won't Fix

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https://bugs.launchpad.net/bugs/729903

Title:
  Xrandr, Handle RRScreenChangeNotify in src/screen.cpp

Status in Compiz:
  Won't Fix
Status in compiz package in Ubuntu:
  Won't Fix

Bug description:
  Binary package hint: compiz

  Release: Ubuntu "Natty Narwhal", current as of today (2011/03/05)
  Package Version: 1:0.9.4-0ubuntu3

  Summary: When using the 'gnome-display-properties' tool or the
  'xrandr' command line tool to change the display configuration from
  single to dual monitor and etc., compiz did not properly handle that
  event. The attached quilt patch fixes this deficiency.

  I have a laptop with a 1400x1050 display, and an LCD monitor with a
  1680x1050 display. When I start with only the laptop screen enabled,
  and use the 'gnome-display-properties' to turn on the external
  display, it defaults to placing the external display to the right of
  the laptop panel. When I turn it on with that configuration, and then
  move the external monitor over to the left of the laptop panel, which
  is where it really is, physically, and then click apply, compiz did
  not update it's idea of the output dimensions. The external display
  will be on the left, but only 1400x1050 of it is used, and windows on
  the laptop panel will maximize to 1680x1050, overlapping the real
  screen onto the external monitor.

  After applying this patch, it works as expected.

  Also, I noticed that nowhere in core or any plugins was compiz
  actually asking the X Server to provide it with RRScreenChangeNotify
  events, despite the fact that the event handler in
  plugins/composite/screen.cpp has a switch case looking for them. It
  could not ever have updated the display refresh rates without having
  selected those events. This patch does that, and so I think that code
  can run now, when a new monitor or projector gets plugged in.

  What remains is to write a plugin that handles screen rotation on
  tablet computers, syncing the rotation setting with the wacom /
  touchscreen rotation and sizes. I might try and write that. Any ideas?

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