<?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" type="topic" style="task" id="desktop-background" lang="fa">

  <info>
    <link type="guide" xref="appearance"/>
    <link type="seealso" xref="backgrounds-extra"/>
    <revision pkgversion="3.11" date="2014-01-29" status="draft"/>
    <revision pkgversion="3.14" date="2014-06-17" status="incomplete">
      <desc>All prose and instructions are up to par. Extra info needs
      to be provided on picture options, per comment below. --shaunm</desc>
    </revision>

    <credit type="author copyright">
      <name>Matthias Clasen</name>
      <email>matthias.clasen@gmail.com</email>
      <years>۲۰۱۲</years>
    </credit>
    <credit type="editor">
      <name>یانا سواروا</name>
      <email>jana.svarova@gmail.com</email>
      <years>۲۰۱۳</years>
    </credit>
    <credit type="editor">
      <name>پیتر کوار</name>
      <email>pknbe@volny.cz</email>
      <years>۲۰۱۴</years>
    </credit>
    <credit type="editor">
      <name>دیوید کینگ</name>
      <email>davidk@gnome.org</email>
      <years>۲۰۱۴</years>
    </credit>
    <credit type="editor">
      <name>اکاترینا گراسیموفا</name>
      <email>kittykat3756@gmail.com</email>
      <years>۲۰۱۴</years>
    </credit>

    <desc>Change the default desktop background for all users.</desc>
  </info>

  <title>تنظیم پس‌زمینهٔ سفارشی</title>

  <p>You can change the default desktop background to one that you want to use.
  For example, you may want to use a background with your company or university
  logo instead of the default GNOME background.</p>

  <steps>
    <title>Set the default background</title>
    <item xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" xml:id="dconf-profile-user">
    <p>Create the <file its:translate="no">user</file> profile which contains
    the following lines:</p>
    <listing its:translate="no">
      <title><file>/etc/dconf/profile/user</file></title>
      <code>user-db:user
system-db:local</code>
    </listing>
    <p><input its:translate="no">local</input> is the name of a
    <sys its:translate="no" xref="dconf">dconf</sys> database.</p>
  </item>
    <item xmlns="http://projectmallard.org/1.0/" xml:id="dconf-profile-user-dir">
    <p>Create the directory <file>/etc/dconf/db/local.d/</file>
    if it does not already exist.</p>
  </item>
    <item>
      <p>Create the key file
      <file>/etc/dconf/db/local.d/00-background</file> to provide
      information for the <sys>local</sys> database.</p>
      <listing>
        <title><file>/etc/dconf/db/local.d/00-background</file></title>
<code>
# Specify the dconf path
[org/gnome/desktop/background]

# Specify the path to the desktop background image file
picture-uri='file:///usr/local/share/backgrounds/wallpaper.jpg'

# Specify one of the rendering options for the background image:
picture-options='scaled'

# Specify the left or top color when drawing gradients, or the solid color
primary-color='000000'

# Specify the right or bottom color when drawing gradients
secondary-color='FFFFFF'
</code>
      </listing>
    </item>
    <item>
      <p>To prevent the user from overriding these settings, create the file
      <file>/etc/dconf/db/local.d/locks/background</file> with the following
      content:</p>
      <listing>
        <title><file>/etc/dconf/db/local.d/locks/background</file></title>
<code>
# Lock desktop background settings
/org/gnome/desktop/background/picture-uri
/org/gnome/desktop/background/picture-options
/org/gnome/desktop/background/primary-color
/org/gnome/desktop/background/secondary-color
</code>
      </listing>
    </item>
    <item xmlns="http://projectmallard.org/1.0/" xml:id="dconf-update">
    <p>Update the system databases:</p>
    <screen><output style="prompt"># </output><input>dconf update</input></screen>
  </item>
    <item xmlns="http://projectmallard.org/1.0/" xml:id="dconf-logoutin">
    <p>Users must log out and back in again before the system-wide
    settings take effect.</p>
  </item>
  </steps>

</page>
