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<chapter id="themes-0">
<title>Installing Themes</title>
<highlights>
<para>This chapter describes themes, the theme settings that are
available in the GNOME Desktop, how to install options for theme settings,
and how to create a custom option.</para>
</highlights>
<sect1 id="themes-1">
<title>Introduction to Themes</title>
<indexterm>
<primary>themes</primary>
<secondary>introduction</secondary>
</indexterm>
<para>A theme is a group of coordinated settings that specifies the visual
appearance of a part of the GNOME Desktop. Users can choose themes to change
the appearance of the GNOME Desktop.</para>
<para>A theme contains settings that affect different parts of the GNOME Desktop,
as follows:</para>
<variablelist>
<varlistentry>
<term>Controls</term>
<listitem>
<para><indexterm><primary>themes</primary><secondary>controls options</secondary><tertiary>introduction</tertiary></indexterm><indexterm><primary>GTK+ themes</primary><see>themes, controls
options</see></indexterm>The controls setting for a theme determines the visual
appearance of windows, panels, and applets. The controls setting also determines
the visual appearance of the GNOME-compliant interface items that appear on
windows, panels, and applets, such as menus, icons, and buttons. Some of the
controls setting options that are available are designed for special accessibility
needs. Users can choose an option for the controls setting from the <guilabel>Controls</guilabel> tabbed section in the <application>Theme</application>
preference tool.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Window frame</term>
<listitem>
<para><indexterm><primary>themes</primary><secondary>window frame options</secondary><tertiary>introduction</tertiary></indexterm><indexterm><primary>Metacity themes</primary><see>themes, window frame options</see></indexterm>The window frame setting for
a theme determines the appearance of the frames around windows only. Users
can choose an option for the window frame setting from the <guilabel>Window
Border</guilabel> tabbed section in the <application>Theme</application> preference
tool.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Icon</term>
<listitem>
<para><indexterm><primary>themes</primary><secondary>icons options</secondary><tertiary>introduction</tertiary></indexterm><indexterm><primary>icon themes</primary><see>themes, icons options</see></indexterm>The icon setting for a theme determines the appearance of
the icons on panels and the desktop background. Users can choose an option
for the icon setting from the <guilabel>Icons</guilabel> tabbed section in
the <application>Theme</application> preference tool.</para>
</listitem>
</varlistentry>
</variablelist>
</sect1>
<sect1 id="themes-17">
<title>Theme Index File</title>
<para>Each theme has an index file which defines the characteristics of the
theme. The name of the index file is <filename>/usr/share/themes/<replaceable>theme-name</replaceable>/index.theme</filename>. </para>
<para>The following is a sample theme index file:</para>
<literallayout>[Desktop Entry]
Type=X-GNOME-Metatheme
Name=High Contrast Large
Name[es]=Alto contraste grande
Comment=Large black-on-white text and icons
Comment[es]=Textos e iconos grandes en negro sobre blanco
Encoding=UTF-8
[X-GNOME-Metatheme]
GtkTheme=HighContrastLargePrint
IconTheme=HighContrast
MetacityTheme=Atlanta
ApplicationFont=sans 18
</literallayout>
<para>The following table describes the keys in theme index files:</para>
<table frame="topbot" id="themes-TBL-18">
<title>Keys in Theme Index Files</title>
|
