Bug 13506 - xdg-screensaver expects xprop to exit if the window disappears
Summary: xdg-screensaver expects xprop to exit if the window disappears
Status: NEW
Alias: None
Product: Portland
Classification: Unclassified
Component: xdg-utils (show other bugs)
Version: 1.0
Hardware: x86 (IA32) Linux (All)
: medium normal
Assignee: Fathi Boudra
QA Contact:
Depends on: 19381
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Reported: 2007-12-03 21:11 UTC by Dima Ryazanov
Modified: 2009-08-10 02:36 UTC (History)
0 users

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Description Dima Ryazanov 2007-12-03 21:11:31 UTC
As far as I understand, xdg-screensaver should resume the screensaver if the window used to suspend it has disappeared - but this doesn't happen. Even worse, if the window has disappeared, it's impossible to enable the screensaver using "xdg-screensaver resume".

I found these lines in the xdg-screensaver code:

  # Start tracking $window_id
  $XPROP -id $window_id -spy > /dev/null &
  # Wait for xprop to edit, it means that the window disappeared
  wait $xprop_pid

(I assume it's "exit", not "edit".)
But 'xprop -spy' doesn't ever exit - and nowhere in the manual does it say that it should. I even looked at the xprop source code; it has an infinite loop at the end, so it looks like it was never intended to exit.
Comment 1 Ben Hutchings 2009-07-26 10:24:02 UTC
xprop has been changed to exit as expected by xdg-screensaver. I think this bug can be resolved by documenting the version-dependency on xprop.

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