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View File Name : power-dim-screen.page

<page xmlns="http://projectmallard.org/1.0/"
      xmlns:its="http://www.w3.org/2005/11/its"
      type="topic" style="task"
      id="power-dim-screen">

  <info>
    <link type="guide" xref="user-settings" />
    <link type="seealso" xref="dconf-profiles" />
    <link type="seealso" xref="dconf-lockdown" />
    <revision pkgversion="3.12" date="2014-06-20" status="candidate"/>

    <credit type="author copyright">
      <name>Matthias Clasen</name>
      <email>matthias.clasen@gmail.com</email>
      <years>2012</years>
    </credit>
    <credit type="editor">
      <name>Jana Svarova</name>
      <email>jana.svarova@gmail.com</email>
      <years>2013</years>
    </credit>
    <credit type="editor">
      <name>Petr Kovar</name>
      <email>pknbe@volny.cz</email>
      <years>2014</years>
    </credit>
    <credit type="editor">
      <name>Ekaterina Gerasimova</name>
      <email>kittykat3756@gmail.com</email>
      <years>2014</years>
    </credit>

    <desc>Make the screen dim after a specific amount of time when the user is
    idle.</desc>
  </info>

  <title>Dim screen when user is idle</title>

  <p>You can make the computer screen dim after the computer has been idle (not
  used) for some period of time.</p>

  <steps>
    <title>Dim screen on idle computer</title>
    <include href="dconf-snippets.xml"
             xpointer="xpointer(/*/*[@xml:id='dconf-profile-user'])"
             xmlns="http://www.w3.org/2001/XInclude"/>
    <include href="dconf-snippets.xml"
             xpointer="xpointer(/*/*[@xml:id='dconf-profile-user-dir'])"
             xmlns="http://www.w3.org/2001/XInclude"/>
    <item>
      <p>Create the key file
      <file>/etc/dconf/db/local.d/00-power</file> to provide
      information for the <sys>local</sys> database.</p>
      <listing>
        <title><file>/etc/dconf/db/local.d/00-power</file></title>
<code>
# Specify the dconf path
[org/gnome/settings-daemon/plugins/power]

# Enable screen dimming
idle-dim=true

# Set brightness after dimming
idle-brightness=30
</code>
      </listing>
    </item>
    <item>
      <p>Create the key file
      <file>/etc/dconf/db/local.d/00-session</file> to provide
      information for the <sys>local</sys> database.</p>
      <listing>
        <title><file>/etc/dconf/db/local.d/00-session</file></title>
<code>
# Specify the dconf path
[org/gnome/desktop/session]

# The number of seconds of inactivity before the session is considered idle
idle-delay=uint32 300
</code>
      </listing>
      <p>You must include the <code>uint32</code> along with the
      integer key values as shown.</p>
    </item>
    <item>
      <p>To prevent the user from overriding these settings, create the file
      <file>/etc/dconf/db/local.d/locks/power-saving</file> with the following
      content:</p>
      <listing>
        <title><file>/etc/dconf/db/local.db/locks/power-saving</file></title>
<code>
# Lock screen dimming and idle timeout
/org/gnome/settings-daemon/plugins/power/idle-dim
/org/gnome/settings-daemon/plugins/power/idle-brightness
/org/gnome/desktop/session/idle-delay
</code>
      </listing>
      <p>If you want to let the user change these settings, skip this step.</p>
    </item>
    <include href="dconf-snippets.xml"
             xpointer="xpointer(/*/*[@xml:id='dconf-update'])"
             xmlns="http://www.w3.org/2001/XInclude"/>
    <include href="dconf-snippets.xml"
             xpointer="xpointer(/*/*[@xml:id='dconf-logoutin'])"
             xmlns="http://www.w3.org/2001/XInclude"/>
  </steps>

</page>