<chapter id="goscustdesk-6">
  <title>Using the Basic Preference Tools</title>
  <highlights>
    <para>The basic preference tools enable you to customize your
desktop background, and to configure your keyboard settings and your mouse
settings. You can use the basic preference tools to configure shortcut keys,
to set your sound preferences, and to configure your network proxy. You can
also use the basic preference tools to customize your screensaver, choose
a theme and fonts for your desktop environment, and to customize your application
menubars and toolbars. You can also customize window focus behavior.</para>
    <para>This chapter describes how to use the basic preference tools to customize
your desktop environment.</para>
  </highlights>
  <sect1 id="goscustdesk-37">
    <title>Opening a Basic Preference Tool</title>
    <para>You can open one of the basic preference tools in either of the following
ways:</para>
    <itemizedlist>
      <listitem>
        <para>From the <guimenu>Desktop Preferences</guimenu> menu</para>
        <para>Choose <menuchoice><guimenu>Applications</guimenu><guimenuitem>Desktop Preferences</guimenuitem></menuchoice>. Choose the preference tool
that you require from the submenu. The dialog for the tool is displayed.</para>
      </listitem>
      <listitem>
        <para>From the <guilabel>Start Here</guilabel> location</para>
        <para>Open a <application>Nautilus</application> file manager window, then
choose <menuchoice><guimenu>Go</guimenu><guimenuitem>Start Here</guimenuitem></menuchoice>. Alternatively, double-click on the <guilabel>Start Here</guilabel>
object on the desktop. The <guilabel>Start Here</guilabel> location is displayed.
Double-click on the <guilabel>Desktop Preferences</guilabel> object in the
file manager window to display your preference tools.</para>
        <para>Double-click on the tool that you require. The dialog for the tool is
displayed.</para>
      </listitem>
    </itemizedlist>
  </sect1>
  <sect1 id="goscustdesk-7">
    <title>Customizing the Desktop Background</title>
    <indexterm>
      <primary>desktop</primary>
      <secondary>customizing background</secondary>
    </indexterm>
    <indexterm>
      <primary>desktop environment preference tools</primary>
      <see>preference tools</see>
    </indexterm>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Background</secondary>
    </indexterm>
    <indexterm>
      <primary>backgrounds</primary>
      <secondary>customizing desktop background</secondary>
    </indexterm>
    <para>The desktop background is the image or color that is applied
to your desktop. You can customize the desktop background in the following
ways:</para>
    <itemizedlist>
      <listitem>
        <para>Select an image for the desktop background. The image is superimposed
on the desktop background color. The desktop background color is visible if
you select a transparent image, or if the image does not cover the entire
desktop.</para>
      </listitem>
      <listitem>
        <para>Select a color for the desktop background. You can select
a solid color, or create a gradient effect with two colors. A gradient effect
is a visual effect where one color blends gradually into another color. </para>
      </listitem>
    </itemizedlist>
    <para>You can also change the appearance of your desktop background from within
the <application>Nautilus</application> file manager.</para>
    <para><xref linkend="goscustdesk-TBL-14"/> lists the background settings that
you can configure.</para>
    <table frame="topbot" id="goscustdesk-TBL-14">
      <title>Settings for Desktop Background</title>
      <tgroup cols="2" colsep="1" rowsep="1">
        <colspec colname="colspec0" colwidth="18.86*"/>
        <colspec colname="colspec1" colwidth="47.14*"/>
        <thead>
          <row>
            <entry colsep="0" rowsep="1" valign="top">
              <para>Element</para>
            </entry>
            <entry colsep="0" rowsep="1" valign="top">
              <para>Function</para>
            </entry>
          </row>
        </thead>
        <tbody>
          <row>
            <entry colname="colspec0" colsep="0" rowsep="0" valign="top">
              <para>
                <guibutton>Select picture</guibutton>
              </para>
            </entry>
            <entry colname="colspec1" colsep="0" rowsep="0" valign="top">
              <para>Choose an image to display on the desktop. To
choose an image, click on the <guibutton>Select picture</guibutton> button.
An image selector dialog is displayed. Use the dialog to choose an image.
When you choose an image, click <guibutton>OK</guibutton>. </para>
            </entry>
          </row>
          <row>
            <entry colname="colspec0" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Picture Options</guilabel>
              </para>
            </entry>
            <entry colname="colspec1" colsep="0" rowsep="0" valign="top">
              <para>To specify how to display the image, select
one of the following options:</para>
              <itemizedlist>
                <listitem>
                  <para><guilabel>Wallpaper</guilabel>: Repeats the image to cover
the desktop.</para>
                </listitem>
                <listitem>
                  <para><guilabel>Centered</guilabel>: Displays the image in the middle
of the desktop.</para>
                </listitem>
                <listitem>
                  <para><guilabel>Scaled</guilabel>: Enlarges the image until the
image meets the screen edges, and maintains the relative dimensions of the
image.</para>
                </listitem>
                <listitem>
                  <para><guilabel>Stretched</guilabel>: Enlarges the image to cover
the desktop,  and does not maintain the relative dimensions of the image.</para>
                </listitem>
                <listitem>
                  <para><guilabel>No Picture</guilabel>: Displays no image.</para>
                </listitem>
              </itemizedlist>
            </entry>
          </row>
          <row>
            <entry colname="colspec0" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Background Style</guilabel>
              </para>
            </entry>
            <entry colname="colspec1" colsep="0" rowsep="0" valign="top">
              <para>To specify a color scheme, use  the options
in the <guilabel>Background Style</guilabel> drop-down list, and the color
selector buttons.</para>
              <para>You can specify a color scheme in one of the
following ways:</para>
              <itemizedlist>
                <listitem>
                  <para>Choose <guilabel>Solid color</guilabel> from the <guilabel>Background Style</guilabel> drop-down list to specify a single color for the
desktop background. </para>
                  <para>To choose the color that you require, click on the <guibutton>Color</guibutton>  button. The <guilabel>Pick a Color</guilabel> dialog is displayed.
Choose a color, then click <guibutton>OK</guibutton>.</para>
                </listitem>
                <listitem>
                  <para>Choose <guilabel>Horizontal gradient</guilabel> from the <guilabel>Background Style</guilabel> drop-down list. This option creates a gradient
effect from the left screen edge to the right screen edge.</para>
                  <para>Click on the <guibutton>Left Color</guibutton> button  to display the <guilabel>Pick a Color</guilabel> dialog. Choose the color that you want to appear at
the left edge.</para>
                  <para>Click on the <guibutton>Right Color</guibutton> button. Choose the color
that you want to appear at the right edge.</para>
                </listitem>
                <listitem>
                  <para>Choose <guilabel>Vertical gradient</guilabel> from the <guilabel>Background Style</guilabel> drop-down list. This creates a gradient effect
from the top   screen edge to the bottom screen edge.</para>
                  <para>Click on the <guibutton>Top Color</guibutton> button to display the <guilabel>Pick a Color</guilabel> dialog. Choose the color that you want to appear at
the top edge.</para>
                  <para>Click on the <guibutton>Bottom Color</guibutton> button. Choose the
color that you want to appear at the bottom edge.</para>
                </listitem>
              </itemizedlist>
            </entry>
          </row>
        </tbody>
      </tgroup>
    </table>
  </sect1>
  <sect1 id="goscustdesk-84">
    <title>Setting File Management Preferences</title>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>File Management</secondary>
    </indexterm>
    <indexterm>
      <primary>file manager</primary>
      <secondary>preferences</secondary>
      <tertiary>preference tool</tertiary>
    </indexterm>
    <para>Use the <application>File Management</application> preference tool to set your <application>Nautilus</application> file manager preferences. You can also set your file manager
preferences in the <guilabel>File Management</guilabel> preferences dialog,
which you can open from the file manager application. For information on the
settings in the <guilabel>File Management</guilabel> preferences dialog and <application>File Management</application> preference tool, see <citetitle>Nautilus File
Manager</citetitle>.</para>
  </sect1>
  <sect1 id="goscustdesk-38">
    <title>Choosing Default Fonts</title>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Font</secondary>
    </indexterm>
    <indexterm>
      <primary>fonts</primary>
      <secondary>desktop</secondary>
    </indexterm>
    <indexterm>
      <primary>fonts</primary>
      <secondary>applications</secondary>
    </indexterm>
    <indexterm>
      <primary>fonts</primary>
      <secondary>window title</secondary>
    </indexterm>
    <indexterm>
      <primary>fonts</primary>
      <secondary>terminal</secondary>
    </indexterm>
    <indexterm>
      <primary>fonts</primary>
      <secondary>rendering</secondary>
    </indexterm>
    <para>Use the <application>Font</application> preference tool
to select the fonts to use in your applications, windows, terminals, and desktop.</para>
    <para><xref linkend="goscustdesk-TBL-26"/> lists the font settings that you
can configure.</para>
    <table frame="topbot" id="goscustdesk-TBL-26">
      <title>Settings for Fonts</title>
      <tgroup cols="2" colsep="1" rowsep="1">
        <colspec colname="colspec18" colwidth="19.21*"/>
        <colspec colname="colspec19" colwidth="46.79*"/>
        <thead>
          <row>
            <entry colsep="0" rowsep="1" valign="top">
              <para>Option</para>
            </entry>
            <entry colsep="0" rowsep="1" valign="top">
              <para>Function</para>
            </entry>
          </row>
        </thead>
        <tbody>
          <row>
            <entry colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Application
font</guilabel>
              </para>
            </entry>
            <entry colsep="0" rowsep="0" valign="top">
              <para>Click on the font selector button to select a font to use in your applications.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec18" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Desktop font</guilabel>
              </para>
            </entry>
            <entry colname="colspec19" colsep="0" rowsep="0" valign="top">
              <para>Click on the font selector button to select
a font to use on your desktop only.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec18" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Window title font</guilabel>
              </para>
            </entry>
            <entry colname="colspec19" colsep="0" rowsep="0" valign="top">
              <para>Click on the font selector button to select
a font to use in the titlebars of your windows.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec18" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Terminal font</guilabel>
              </para>
            </entry>
            <entry colname="colspec19" colsep="0" rowsep="0" valign="top">
              <para>Click on the font selector button to select
a font to use in the <application>Terminal</application> application</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec18" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Font Rendering</guilabel>
              </para>
            </entry>
            <entry colname="colspec19" colsep="0" rowsep="0" valign="top">
              <para>To specify how to render fonts on your screen,
select one of the following options:</para>
              <itemizedlist>
                <listitem>
                  <para><guilabel>Monochrome</guilabel>: Renders fonts in black and
white only. The edges of characters might appear jagged in some cases because
the characters  are not antialiased. <firstterm>Antialiasing</firstterm> is
an effect that is applied to the edges of characters to make the characters
look smoother.</para>
                </listitem>
                <listitem>
                  <para><guilabel>Best shapes</guilabel>: Antialiases fonts where
possible. Use this option for standard Cathode Ray Tube (CRT) monitors.</para>
                </listitem>
                <listitem>
                  <para><guilabel>Best contrast</guilabel>: Adjusts fonts to give
the sharpest possible contrast, and also antialiases fonts, so that characters
have smooth edges. This option might enhance the accessibility of the desktop
environment to  users with visual impairments.</para>
                </listitem>
                <listitem>
                  <para><guilabel>Subpixel smoothing (LCDs)</guilabel>: Uses techniques
that exploit the shape of individual Liquid Crystal Display (LCD) pixels to
render fonts smoothly. Use this option for LCD or flat-screen displays.</para>
                </listitem>
              </itemizedlist>
            </entry>
          </row>
          <row>
            <entry colname="colspec18" colsep="0" rowsep="0" valign="top">
              <para>
                <guibutton>Details</guibutton>
              </para>
            </entry>
            <entry colname="colspec19" colsep="0" rowsep="0" valign="top">
              <para>Click on this button to specify further details of how
to render fonts on your screen. </para>
              <itemizedlist>
                <listitem>
                  <para><guilabel>Resolution (dots per inch)</guilabel>: Use the spin
box to specify the resolution to use when your screen renders fonts.</para>
                </listitem>
                <listitem>
                  <para><guilabel>Smoothing</guilabel>: Select one of the options
to specify how to antialias fonts.</para>
                </listitem>
                <listitem>
                  <para><guilabel>Hinting</guilabel>:  <firstterm>Hinting</firstterm>
is a font-rendering technique that improves the quality of fonts at small
sizes and an at low screen resolutions. Select one of the options to specify
how to apply hinting your fonts.</para>
                </listitem>
                <listitem>
                  <para><guilabel>Subpixel order</guilabel>: Select one of the options
to specify the subpixel color order for your fonts. Use this option for LCD
or flat-screen displays.</para>
                </listitem>
              </itemizedlist>
            </entry>
          </row>
        </tbody>
      </tgroup>
    </table>
    <sect2 id="goscustdesk-83">
      <title>Previewing Fonts</title>
      <indexterm>
        <primary>fonts</primary>
        <secondary>previewing</secondary>
      </indexterm>
      <para>You can use the file manager to preview fonts. To preview fonts, perform
the following steps:</para>
      <orderedlist>
        <listitem>
          <para>Open a file manager window.</para>
        </listitem>
        <listitem>
          <para>Enter the URI <command>fonts:///</command> in the location
bar. The fonts are displayed as icons in the view pane.</para>
        </listitem>
        <listitem>
          <para>Double-click on an icon to display a preview of the font.</para>
        </listitem>
      </orderedlist>
    </sect2>
  </sect1>
  <sect1 id="goscustperiph-2">
    <title>Configuring Keyboard Settings</title>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Keyboard</secondary>
    </indexterm>
    <indexterm>
      <primary>keyboard</primary>
      <secondary>configuring general
preferences</secondary>
    </indexterm>
    <para>Use the <application>Keyboard</application>
preference tool to select the autorepeat settings for your keyboard, and to
configure typing break settings. </para>
    <para>You can customize the settings for the <application>Keyboard</application>
preference tool in the following functional areas:</para>
    <itemizedlist>
      <listitem>
        <para>
          <guilabel>Keyboard</guilabel>
        </para>
      </listitem>
      <listitem>
        <para>
          <guilabel>Typing Break</guilabel>
        </para>
      </listitem>
    </itemizedlist>
    <sect2 id="goscustdesk-40">
      <title>Keyboard Settings</title>
      <para>Use the <guilabel>Keyboard</guilabel> tabbed section to set general
keyboard preferences. To start the <application>Keyboard</application><emphasis>accessibility</emphasis> preference tool, that is, <application>AccessX</application>,
click on the <guibutton>Accessibility</guibutton> button.</para>
      <para><xref linkend="goscustperiph-TBL-3"/> lists the keyboard settings that
you can configure.</para>
      <table frame="topbot" id="goscustperiph-TBL-3">
        <title>Settings for Keyboard</title>
        <tgroup cols="2" colsep="1" rowsep="1">
          <colspec colname="colspec18" colwidth="19.21*"/>
          <colspec colname="colspec19" colwidth="46.79*"/>
          <thead>
            <row>
              <entry colsep="0" rowsep="1" valign="top">
                <para>Option</para>
              </entry>
              <entry colsep="0" rowsep="1" valign="top">
                <para>Function</para>
              </entry>
            </row>
          </thead>
          <tbody>
            <row>
              <entry colsep="0" rowsep="0" valign="top">
                <para>
                  <guilabel>Keyboard repeats
when key is held down</guilabel>
                </para>
              </entry>
              <entry colsep="0" rowsep="0" valign="top">
                <para>Select this option to enable keyboard repeat. If keyboard
repeat is enabled, when you press-and-hold a key, the action associated with
the key is performed repeatedly. For example, if you press-and-hold a character
key, the character is typed repeatedly.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec18" colsep="0" rowsep="0" valign="top">
                <para>
                  <guilabel>Delay</guilabel>
                </para>
              </entry>
              <entry colname="colspec19" colsep="0" rowsep="0" valign="top">
                <para>Select the delay from the time you press a key to the time
that the action repeats.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec18" colsep="0" rowsep="0" valign="top">
                <para>
                  <guilabel>Speed</guilabel>
                </para>
              </entry>
              <entry colname="colspec19" colsep="0" rowsep="0" valign="top">
                <para>Select the speed at which the action is repeated. </para>
              </entry>
            </row>
            <row>
              <entry colname="colspec18" colsep="0" rowsep="0" valign="top">
                <para>
                  <guilabel>Blinks in text boxes and fields</guilabel>
                </para>
              </entry>
              <entry colname="colspec19" colsep="0" rowsep="0" valign="top">
                <para>Select this option to enable the
cursor to blink in fields and text boxes.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec18" colsep="0" rowsep="0" valign="top">
                <para>
                  <guilabel>Speed</guilabel>
                </para>
              </entry>
              <entry colname="colspec19" colsep="0" rowsep="0" valign="top">
                <para>Use the slider to specify the speed at which the cursor
blinks in fields and text boxes.</para>
              </entry>
            </row>
          </tbody>
        </tgroup>
      </table>
    </sect2>
    <sect2 id="goscustdesk-86">
      <title>Typing Break Settings</title>
      <para>Use the <guilabel>Typing Break</guilabel> tabbed section to set typing
break preferences. To start the <application>Keyboard</application><emphasis>accessibility</emphasis> preference tool, that is, <application>AccessX</application>,
click on the <guibutton>Accessibility</guibutton> button.</para>
      <para><xref linkend="goscustdesk-TBL-87"/> lists the typing break settings
that you can configure.</para>
      <table frame="topbot" id="goscustdesk-TBL-87">
        <title>Typing Break Settings</title>
        <tgroup cols="2" colsep="0" rowsep="0">
          <colspec colwidth="50*"/>
          <colspec colwidth="50*"/>
          <thead>
            <row rowsep="1">
              <entry valign="top">
                <para>Option</para>
              </entry>
              <entry valign="top">
                <para>Function</para>
              </entry>
            </row>
          </thead>
          <tbody>
            <row>
              <entry valign="top">
                <para>
                  <guilabel>Lock screen to enforce typing break</guilabel>
                </para>
              </entry>
              <entry valign="top">
                <para>Select this option to
lock the screen when you are due a typing break.</para>
              </entry>
            </row>
            <row>
              <entry valign="top">
                <para>
                  <guilabel>Work interval lasts</guilabel>
                </para>
              </entry>
              <entry valign="top">
                <para>Use the spin box to specify how long you can work
before a typing break occurs.</para>
              </entry>
            </row>
            <row>
              <entry valign="top">
                <para>
                  <guilabel>Break interval lasts</guilabel>
                </para>
              </entry>
              <entry valign="top">
                <para>Use the spin box to specify the length of your typing
breaks.</para>
              </entry>
            </row>
            <row>
              <entry valign="top">
                <para>
                  <guilabel>Allow postponing of breaks</guilabel>
                </para>
              </entry>
              <entry valign="top">
                <para>Select this option if you want to be able to postpone
typing breaks.</para>
              </entry>
            </row>
          </tbody>
        </tgroup>
      </table>
    </sect2>
  </sect1>
  <sect1 id="goscustdesk-39">
    <title>Customizing Keyboard Shortcuts</title>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Keyboard Shortcuts</secondary>
    </indexterm>
    <indexterm>
      <primary>shortcut keys</primary>
      <secondary>configuring</secondary>
    </indexterm>
    <indexterm>
      <primary>keyboard shortcuts</primary>
      <secondary>configuring</secondary>
    </indexterm>
    <indexterm>
      <primary>hot keys</primary>
      <secondary>configuring</secondary>
    </indexterm>
    <para>A <firstterm>keyboard shortcut</firstterm> is a key or combination of keys that provides
an alternative to standard ways of performing an action. </para>
    <para>Use the <application>Keyboard Shortcuts</application> preference tool
to display the default keyboard shortcuts. You can customize the default keyboard
shortcuts to your requirements. </para>
    <para><xref linkend="goscustdesk-TBL-5"/> lists the keyboard shortcut settings that you
can customize.</para>
    <table frame="topbot" id="goscustdesk-TBL-5">
      <title>Default Settings for Keyboard Shortcuts</title>
      <tgroup cols="2" colsep="0" rowsep="0">
        <colspec colname="colspec0" colwidth="36.11*"/>
        <colspec colname="colspec1" colwidth="63.89*"/>
        <thead>
          <row rowsep="1">
            <entry valign="top">
              <para>Option</para>
            </entry>
            <entry valign="top">
              <para>Function</para>
            </entry>
          </row>
        </thead>
        <tbody>
          <row>
            <entry colname="colspec0" valign="top">
              <para>
                <guilabel>Text editing shortcuts</guilabel>
              </para>
            </entry>
            <entry colname="colspec1" valign="top">
              <para>Select
one of the following settings:</para>
              <itemizedlist>
                <listitem>
                  <para><guilabel>Default</guilabel>: Use this setting for standard
shortcut keys.</para>
                </listitem>
                <listitem>
                  <para><guilabel>Emacs</guilabel>: Use this setting for <application>Emacs</application> shortcut keys.</para>
                </listitem>
              </itemizedlist>
            </entry>
          </row>
          <row>
            <entry colname="colspec0" valign="top">
              <para>
                <guilabel>Desktop shortcuts</guilabel>
              </para>
            </entry>
            <entry colname="colspec1" valign="top">
              <para>This
table lists actions and the shortcut keys that are associated with each action. </para>
              <para>To change the shortcut keys for an action, click on the action
to select the action, then click on the shortcut for the action. Press the
keys that you want to associate with the action.</para>
              <para>To disable the
shortcut keys for an action, click on the action to select the action, then
click on the shortcut for the action. Press <keycap>Back Space</keycap>.</para>
            </entry>
          </row>
        </tbody>
      </tgroup>
    </table>
  </sect1>
  <sect1 id="goscustuserinter-2">
    <title>Customizing Menus and Toolbars in Applications</title>
    <indexterm>
      <primary>toolbars, customizing appearance</primary>
    </indexterm>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Menus &amp; Toolbars</secondary>
    </indexterm>
    <indexterm>
      <primary>menus</primary>
      <secondary>in applications,
customizing appearance</secondary>
    </indexterm>
    <para>You can use the <application>Menus &amp; Toolbars</application> preference tool to customize the appearance
of menus, menubars, and toolbars for GNOME-compliant applications.</para>
    <para><xref linkend="goscustuserinter-TBL-8"/> lists the menu and toolbar settings that
you can customize for GNOME-compliant applications.</para>
    <table frame="topbot" id="goscustuserinter-TBL-8">
      <title>Settings for Customizing Applications</title>
      <tgroup cols="2" colsep="1" rowsep="1">
        <colspec colname="colspec0" colwidth="18.86*"/>
        <colspec colname="colspec1" colwidth="47.14*"/>
        <thead>
          <row>
            <entry colsep="0" rowsep="1" valign="top">
              <para>Option</para>
            </entry>
            <entry colsep="0" rowsep="1" valign="top">
              <para>Function</para>
            </entry>
          </row>
        </thead>
        <tbody>
          <row>
            <entry colname="colspec0" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Show icons in menus</guilabel>
              </para>
            </entry>
            <entry colname="colspec1" colsep="0" rowsep="0" valign="top">
              <para>Select this option to display an icon beside
each item in a menu. Some menu items do not have an icon.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec0" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Detachable toolbars</guilabel>
              </para>
            </entry>
            <entry colname="colspec1" colsep="0" rowsep="0" valign="top">
              <para>Select this option if you want to move toolbars
from application windows to any location on the screen. If you select this
option, handles are displayed on the left side of the toolbars in your applications.
To move a toolbar, click-and-hold on the handle, then drag the toolbar to
the new location.</para>
              <para/>
            </entry>
          </row>
          <row>
            <entry colname="colspec0" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Toolbar button labels</guilabel>
              </para>
            </entry>
            <entry colname="colspec1" colsep="0" rowsep="0" valign="top">
              <para>Choose one of the following options to specify
what to display on the toolbars in your GNOME-compliant applications:</para>
              <itemizedlist>
                <listitem>
                  <para><guilabel>Text Below Icons</guilabel>: Select this option
to display toolbars with text as well as an icon on each button. </para>
                </listitem>
                <listitem>
                  <para><guilabel>Text Beside Icons</guilabel>: Select this option
to display toolbars with an icon only on each button, and with text on the
most important buttons.</para>
                </listitem>
                <listitem>
                  <para><guilabel>Icons Only</guilabel>: Select this option to display
toolbars with an icon only on each button.</para>
                </listitem>
                <listitem>
                  <para><guilabel>Text Only</guilabel>: Select this option to display
toolbars with text only on each button.</para>
                </listitem>
              </itemizedlist>
            </entry>
          </row>
        </tbody>
      </tgroup>
    </table>
  </sect1>
  <sect1 id="goscustperiph-5">
    <title>Configuring Mouse Settings</title>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Mouse</secondary>
    </indexterm>
    <indexterm>
      <primary>mouse</primary>
      <secondary>configuring</secondary>
    </indexterm>
    <para>Use the <application>Mouse</application> preference tool
to configure your mouse for right-hand use or for left-hand use. You can also
specify the speed and sensitivity of mouse movement.</para>
    <para>You can customize the settings for the <application>Mouse</application>
preference tool in the following functional areas:</para>
    <itemizedlist>
      <listitem>
        <para>
          <guilabel>Buttons</guilabel>
        </para>
      </listitem>
      <listitem>
        <para>
          <guilabel>Cursors</guilabel>
        </para>
      </listitem>
      <listitem>
        <para>
          <guilabel>Motion</guilabel>
        </para>
      </listitem>
    </itemizedlist>
    <sect2 id="goscustdesk-55">
      <title>Buttons Settings</title>
      <para>Use the <guilabel>Buttons</guilabel> tabbed section to specify whether
the mouse buttons are configured for left-hand use. You can also specify the
delay between clicks for a double-click.</para>
      <para><xref linkend="goscustperiph-TBL-6"/> lists the mouse button settings
that you can configure.</para>
      <table frame="topbot" id="goscustperiph-TBL-6">
        <title>Settings for Mouse Buttons</title>
        <tgroup cols="2" colsep="1" rowsep="1">
          <colspec colname="colspec18" colwidth="19.21*"/>
          <colspec colname="colspec19" colwidth="46.79*"/>
          <thead>
            <row>
              <entry colsep="0" rowsep="1" valign="top">
                <para>Option</para>
              </entry>
              <entry colsep="0" rowsep="1" valign="top">
                <para>Function</para>
              </entry>
            </row>
          </thead>
          <tbody>
            <row>
              <entry colsep="0" rowsep="0" valign="top">
                <para>
                  <guilabel>Left-handed
mouse</guilabel>
                </para>
              </entry>
              <entry colsep="0" rowsep="0" valign="top">
                <para>Select this option to configure your mouse for left-hand use. When you configure
your mouse for left-hand use, the functions of the left mouse button and the
right mouse button are swapped.</para>
              </entry>
            </row>
            <row>
              <entry colsep="0" rowsep="0" valign="top">
                <para>
                  <guilabel>Delay</guilabel>
                </para>
              </entry>
              <entry colsep="0" rowsep="0" valign="top">
                <para>Use the slider to specify
the amount of time that can pass between clicks when you double-click. If
the interval between the first and second clicks exceeds the time that is
specified here, the action is not interpreted as a double-click. </para>
              </entry>
            </row>
          </tbody>
        </tgroup>
      </table>
    </sect2>
    <sect2 id="goscustdesk-54">
      <title>Pointer Settings</title>
      <para>Use the <guilabel>Cursors</guilabel> tabbed section to set your mouse
pointer preferences.</para>
      <para><xref linkend="goscustdesk-TBL-45"/> lists the mouse pointer settings
that you can configure:</para>
      <table frame="topbot" id="goscustdesk-TBL-45">
        <title>Settings for Mouse Pointers</title>
        <tgroup cols="2" colsep="0" rowsep="0">
          <colspec colname="colspec0" colwidth="50*"/>
          <colspec colname="colspec1" colwidth="50*"/>
          <thead>
            <row rowsep="1">
              <entry valign="top">
                <para>Option</para>
              </entry>
              <entry valign="top">
                <para>Function</para>
              </entry>
            </row>
          </thead>
          <tbody>
            <row>
              <entry valign="top">
                <para>
                  <guilabel>Cursor Theme</guilabel>
                </para>
              </entry>
              <entry valign="top">
                <para>Select the mouse pointer theme that you require
from the list box. </para>
              </entry>
            </row>
            <row>
              <entry colname="colspec0" valign="top">
                <para>
                  <guilabel>Show position
of cursor when the Control key is pressed</guilabel>
                </para>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>Select this option to enable a mouse
pointer animation when you press and release <keycap>Ctrl</keycap>. This feature
can assist you to locate the mouse pointer.</para>
              </entry>
            </row>
          </tbody>
        </tgroup>
      </table>
    </sect2>
    <sect2 id="goscustdesk-53">
      <title>Motion Settings</title>
      <para>Use the <guilabel>Motion</guilabel> tabbed section to set your preferences
for mouse movement.</para>
      <para><xref linkend="goscustdesk-TBL-47"/> lists the mouse motion settings
that you can configure:</para>
      <table frame="topbot" id="goscustdesk-TBL-47">
        <title>Settings for Mouse Motion</title>
        <tgroup cols="2" colsep="0" rowsep="0">
          <colspec colwidth="30.10*"/>
          <colspec colwidth="69.90*"/>
          <thead>
            <row rowsep="1">
              <entry valign="top">
                <para>Setting</para>
              </entry>
              <entry valign="top">
                <para>Function</para>
              </entry>
            </row>
          </thead>
          <tbody>
            <row>
              <entry valign="top">
                <para>
                  <guilabel>Acceleration</guilabel>
                </para>
              </entry>
              <entry valign="top">
                <para>Use the slider to specify the speed at which your
mouse pointer moves on your screen when you move your mouse.</para>
              </entry>
            </row>
            <row>
              <entry valign="top">
                <para>
                  <guilabel>Sensitivity</guilabel>
                </para>
              </entry>
              <entry valign="top">
                <para>Use the slider to specify how sensitive your mouse
pointer is to movements of your mouse.</para>
              </entry>
            </row>
            <row>
              <entry valign="top">
                <para>
                  <guilabel>Threshold</guilabel>
                </para>
              </entry>
              <entry valign="top">
                <para>Use the slider to specify the distance that you
must move an item before the move action is interpreted as a drag-and-drop
action.</para>
              </entry>
            </row>
          </tbody>
        </tgroup>
      </table>
    </sect2>
  </sect1>
  <sect1 id="goscustdesk-50">
    <title>Configuring Network Proxy Settings</title>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Network Proxy</secondary>
    </indexterm>
    <indexterm>
      <primary>network proxy</primary>
      <secondary>setting
preferences</secondary>
    </indexterm>
    <indexterm>
      <primary>proxy</primary>
      <secondary>setting preferences</secondary>
    </indexterm>
    <para>The <application>Network
Proxy</application> preference tool enables you to configure how your system
connects to networks. You can configure the desktop environment to connect
to a <firstterm>proxy server</firstterm>, and specify the details of the proxy
server. A proxy server is a server that intercepts requests to another server,
and fulfills the request itself, if it can. You can enter the Domain Name
Service (DNS) name or the Internet Protocol (IP) address of the proxy server.
A <firstterm>DNS name</firstterm> is a unique alphabetic identifier for a
computer on a network. An <firstterm>IP address</firstterm> is a unique numeric
identifier for a computer on a network. </para>
    <para><xref linkend="goscustdesk-TBL-52"/> lists the network proxy settings
that you can configure.</para>
    <table frame="topbot" id="goscustdesk-TBL-52">
      <title>Network Proxy Settings</title>
      <tgroup cols="2" colsep="0" rowsep="0">
        <colspec colname="colspec2" colwidth="35.09*"/>
        <colspec colname="colspec3" colwidth="64.91*"/>
        <thead>
          <row rowsep="1">
            <entry valign="top">
              <para>Option</para>
            </entry>
            <entry valign="top">
              <para>Function </para>
            </entry>
          </row>
        </thead>
        <tbody>
          <row>
            <entry colname="colspec2" valign="top">
              <para>
                <guilabel>Direct internet
connection</guilabel>
              </para>
            </entry>
            <entry colname="colspec3" valign="top">
              <para>Select this option if you want to connect directly to the Internet, without
a proxy server.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec2">
              <para>
                <guilabel>Manual proxy configuration</guilabel>
              </para>
            </entry>
            <entry colname="colspec3" valign="top">
              <para>Select
this option if you want to connect to the Internet through a proxy server,
and you want to configure the proxy server manually.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec2" valign="top">
              <para>
                <guilabel>HTTP proxy</guilabel>
              </para>
            </entry>
            <entry colname="colspec3" valign="top">
              <para>Enter the DNS name, or the IP
address of the proxy server to use when you request a HTTP service. Enter
the port number of the HTTP service on the proxy server in the <guilabel>Port</guilabel> spin box.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec2" valign="top">
              <para>
                <guilabel>Secure HTTP proxy</guilabel>
              </para>
            </entry>
            <entry colname="colspec3" valign="top">
              <para>Enter
the DNS name, or the IP address of the proxy server to use when you request
a Secure HTTP service. Enter the port number of the Secure HTTP service on
the proxy server in the <guilabel>Port</guilabel> spin box.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec2" valign="top">
              <para>
                <guilabel>FTP proxy</guilabel>
              </para>
            </entry>
            <entry colname="colspec3" valign="top">
              <para>Enter the DNS name, or the IP
address of the proxy server to use when you request a FTP service. Enter the
port number of the FTP service on the proxy server in the <guilabel>Port</guilabel>
spin box.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec2" valign="top">
              <para>
                <guilabel>Socks host</guilabel>
              </para>
            </entry>
            <entry colname="colspec3" valign="top">
              <para>Enter the DNS name, or the IP
address of the Socks host to use. Enter the port number for the Socks protocol
on the proxy server in the <guilabel>Port</guilabel> spin box.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec2" valign="top">
              <para>
                <guilabel>Automatic proxy
configuration</guilabel>
              </para>
            </entry>
            <entry colname="colspec3" valign="top">
              <para>Select this option if you want to connect to the Internet through a proxy
server, and you want to configure the proxy server automatically.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec2" valign="top">
              <para>
                <guilabel>Autoconfiguration
URL</guilabel>
              </para>
            </entry>
            <entry colname="colspec3" valign="top">
              <para>Enter the URL that contains the information required to configure the proxy
server automatically. </para>
            </entry>
          </row>
        </tbody>
      </tgroup>
    </table>
  </sect1>
  <sect1 id="goscustdesk-65">
    <title>Setting Screensaver Preferences</title>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Screensaver</secondary>
    </indexterm>
    <indexterm>
      <primary>sessions</primary>
      <secondary>configuring screensaver</secondary>
    </indexterm>
    <indexterm>
      <primary>screensaver, setting preferences</primary>
    </indexterm>
    <indexterm>
      <primary>XScreenSaver</primary>
      <see>screensaver</see>
    </indexterm>
    <para>A screensaver is an application that you can use to
replace the image on your screen when the screen is not in use. You can use
screensavers in the following ways:</para>
    <itemizedlist>
      <listitem>
        <para>Activate after a specified period of idle time.</para>
      </listitem>
      <listitem>
        <para>Activate when you lock your screen.</para>
      </listitem>
      <listitem>
        <para>Manage power used by your monitor when your system is idle.</para>
      </listitem>
    </itemizedlist>
    <para>You can customize the settings for the <application>Mouse</application>
preference tool in the following functional areas:</para>
    <itemizedlist>
      <listitem>
        <para>
          <guilabel>Display Modes</guilabel>
        </para>
      </listitem>
      <listitem>
        <para>
          <guilabel>Advanced</guilabel>
        </para>
      </listitem>
    </itemizedlist>
    <sect2 id="goscustdesk-59">
      <title>Display Modes Settings</title>
      <para>Use the <guilabel>Display Modes</guilabel> tabbed section to set display
mode preferences.</para>
      <para><xref linkend="goscustdesk-TBL-63"/> lists the display mode settings
that you can configure.</para>
      <table frame="topbot" id="goscustdesk-TBL-63">
        <title>Settings for Screensaver Display Mode</title>
        <tgroup cols="2" colsep="0" rowsep="0">
          <colspec colname="colspec2" colwidth="35.09*"/>
          <colspec colname="colspec3" colwidth="64.91*"/>
          <thead>
            <row rowsep="1">
              <entry valign="top">
                <para>Setting</para>
              </entry>
              <entry valign="top">
                <para>Function</para>
              </entry>
            </row>
          </thead>
          <tbody>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Mode</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Use the drop-down list to specify
the behavior of the screensaver application. Select from the following options:</para>
                <itemizedlist>
                  <listitem>
                    <para><guilabel>Disable Screen Saver</guilabel>: Select this option
if you do not want to use the screensaver application.</para>
                  </listitem>
                  <listitem>
                    <para><guilabel>Blank Screen Only</guilabel>: Select this option
if you want your screen to become blank when your screen locks.</para>
                  </listitem>
                  <listitem>
                    <para><guilabel>Only One Screen Saver</guilabel>: Select this option
if you want to display a single screensaver display from the  display list
when your screen locks.</para>
                  </listitem>
                  <listitem>
                    <para><guilabel>Random Screen Saver</guilabel>: Select this option
if you want to display a random selection of screensaver displays from the
screensaver display list when your screen locks. </para>
                  </listitem>
                </itemizedlist>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>Display list</para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Select the screensaver display
that you require from the list.</para>
              </entry>
            </row>
            <row>
              <entry valign="top">
                <para>
                  <guilabel>Blank After</guilabel>
                </para>
              </entry>
              <entry valign="top">
                <para>Specify how long to wait after the last use of the
mouse or keyboard, to activate the screensaver.</para>
              </entry>
            </row>
            <row>
              <entry valign="top">
                <para>
                  <guilabel>Cycle After</guilabel>
                </para>
              </entry>
              <entry valign="top">
                <para>Specify how long to show a particular screensaver
display before the next display.</para>
              </entry>
            </row>
            <row>
              <entry valign="top">
                <para>
                  <guilabel>Lock Screen After</guilabel>
                </para>
              </entry>
              <entry valign="top">
                <para>Select this option if you want the screen to lock
after the screensaver is activated. Use the spin box to specify the delay
between the activation of the screensaver and when the screen locks.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guibutton>Preview</guibutton>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Click on this button to preview
the screensaver display that is selected in the screensaver display list.
To stop the preview, press any key or click a mouse button.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guibutton>Settings</guibutton>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Click on this button to display
the options for the screensaver display that is selected in the screensaver
display list. </para>
              </entry>
            </row>
          </tbody>
        </tgroup>
      </table>
    </sect2>
    <sect2 id="goscustdesk-60">
      <title>Advanced Settings</title>
      <para>Use the <guilabel>Advanced</guilabel> tabbed section to set advanced
screensaver preferences.</para>
      <para><xref linkend="goscustdesk-TBL-64"/> lists the advanced screensaver settings
that you can configure.</para>
      <table frame="topbot" id="goscustdesk-TBL-64">
        <title>Advanced Screensaver Settings</title>
        <tgroup cols="2" colsep="0" rowsep="0">
          <colspec colname="colspec2" colwidth="40.38*"/>
          <colspec colname="colspec3" colwidth="59.62*"/>
          <thead>
            <row rowsep="1">
              <entry valign="top">
                <para>Setting</para>
              </entry>
              <entry valign="top">
                <para>Function</para>
              </entry>
            </row>
          </thead>
          <tbody>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Grab Desktop Images</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Some
screensavers can take a screenshot of your screen, then manipulate the screenshot
to create your screensaver display. Select this option to enable screensavers
to take a screenshot of your screen.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Grab Video Frames</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Some
screensavers can capture a frame of video, then manipulate the captured image
to create your screensaver display. If your system has a video capture card,
select this option to enable screensavers to capture a frame of video.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Choose Random
Image</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Select this option to enable screensavers to use images from a directory that
you select. Type the path for the directory in the field. Alternatively, click <guibutton>Browse</guibutton> to display a dialog from which you can select a directory.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Verbose Dialognostics</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Select
this option if you want to display screensaver diagnostic information.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Display Subprocess
Errors</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Select this option if you want to display errors related to screensaver subprocesses
on screen.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Display Splash
Screen at Startup</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Select this option to if you want <application>Xscreensaver</application>
to display a splash dialog when <application>Xscreensaver</application> starts.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Power Management
Enabled</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Select this option to enable power management of your monitor. Power management
can reduce energy consumption by your monitor when you are not using the monitor.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Standby After</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Specify
how long to wait to put the monitor in standby mode. When the monitor is in
standby mode, the screen is black.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Suspend After</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Specify
how long to wait to put the monitor in power-saving mode. </para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Off After</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Specify how long to wait to switch
off monitor. </para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Install Colormap</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Select
this option to install a private colormap when the screensaver is active.
Use of a private colormap might improve the quality of the color in particular
screensaver displays.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Fade to Black
When Blanking</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Select this option if you want your display to fade to black when the screensaver
activates.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec2" valign="top">
                <para>
                  <guilabel>Fade from Black
When Unblanking</guilabel>
                </para>
              </entry>
              <entry colname="colspec3" valign="top">
                <para>Select this option if you want your display to fade from black to the screen
contents when the screensaver stops.</para>
              </entry>
            </row>
            <row>
              <entry valign="top">
                <para>
                  <guilabel>Fade Duration</guilabel>
                </para>
              </entry>
              <entry valign="top">
                <para>Specify how long to take to fade to black when the
screensaver activates.</para>
              </entry>
            </row>
          </tbody>
        </tgroup>
      </table>
    </sect2>
  </sect1>
  <sect1 id="goscustdesk-70">
    <title>Setting Screen Resolution Preferences</title>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Screen Resolution</secondary>
    </indexterm>
    <para>Use the Screen Resolution preference tool to
specify the resolution settings for your screen. <xref linkend="goscustdesk-TBL-72"/>
lists the screen resolution settings that you can configure.</para>
    <table frame="topbot" id="goscustdesk-TBL-72">
      <title>Settings for Screen Resolution</title>
      <tgroup cols="2" colsep="0" rowsep="0">
        <colspec colname="colspec0" colwidth="50*"/>
        <colspec colname="colspec1" colwidth="50*"/>
        <thead>
          <row rowsep="1">
            <entry valign="top">
              <para>Setting</para>
            </entry>
            <entry valign="top">
              <para>Description</para>
            </entry>
          </row>
        </thead>
        <tbody>
          <row>
            <entry valign="top">
              <para>
                <guilabel>Resolution</guilabel>
              </para>
            </entry>
            <entry valign="top">
              <para>Select the resolution to use for the screen from
the drop-down list.</para>
            </entry>
          </row>
          <row>
            <entry valign="top">
              <para>
                <guilabel>Refresh rate</guilabel>
              </para>
            </entry>
            <entry valign="top">
              <para>Select the screen refresh rate to use for the screen
from the drop-down list.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec0" valign="top">
              <para>
                <guilabel>Make default for
this computer only</guilabel>
              </para>
            </entry>
            <entry colname="colspec1" valign="top">
              <para>Select this option to make the screen resolution settings the default settings
for the system that you are logged in to only.</para>
            </entry>
          </row>
        </tbody>
      </tgroup>
    </table>
  </sect1>
  <sect1 id="goscustmulti-2">
    <title>Setting Sound Preferences</title>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Sound</secondary>
    </indexterm>
    <indexterm>
      <primary>sound</primary>
      <secondary>setting preferences</secondary>
    </indexterm>
    <indexterm>
      <primary>sound</primary>
      <secondary>associating
events with sounds</secondary>
    </indexterm>
    <indexterm>
      <primary>events, associating
sounds with</primary>
    </indexterm>
    <indexterm>
      <primary>sound server</primary>
    </indexterm>
    <para>The <application>Sound</application> preference tool enables
you to control when the GNOME sound server starts. You can also specify which
sounds to play when particular events occur.</para>
    <para>You can customize the settings for the <application>Sound</application>
preference tool in the following functional areas:</para>
    <itemizedlist>
      <listitem>
        <para>
          <guilabel>General</guilabel>
        </para>
      </listitem>
      <listitem>
        <para>
          <guilabel>Sound Events</guilabel>
        </para>
      </listitem>
      <listitem>
        <para>
          <guilabel>System Bell</guilabel>
        </para>
      </listitem>
    </itemizedlist>
    <sect2 id="goscustmulti-3">
      <title>General Settings</title>
      <para>Use the <guilabel>General</guilabel> tabbed section of the <application>Sound</application> preference tool to specify when to launch the GNOME sound
server. You can also enable sound event functions.</para>
      <para><xref linkend="goscustmulti-TBL-4"/> lists the general sound settings
that you can configure.</para>
      <table frame="topbot" id="goscustmulti-TBL-4">
        <title>Settings for Sound</title>
        <tgroup cols="2" colsep="1" rowsep="1">
          <colspec colname="colspec18" colwidth="19.21*"/>
          <colspec colname="colspec19" colwidth="46.79*"/>
          <thead>
            <row>
              <entry colsep="0" rowsep="1" valign="top">
                <para>Option</para>
              </entry>
              <entry colsep="0" rowsep="1" valign="top">
                <para>Function</para>
              </entry>
            </row>
          </thead>
          <tbody>
            <row>
              <entry colsep="0" rowsep="0" valign="top">
                <para>
                  <guilabel>Enable sound
server startup</guilabel>
                </para>
              </entry>
              <entry colsep="0" rowsep="0" valign="top">
                <para>Select this option to start the GNOME sound server when you start a GNOME
session. When the sound server is active, the desktop environment can play
sounds.</para>
              </entry>
            </row>
            <row>
              <entry colsep="0" rowsep="0" valign="top">
                <para>
                  <guilabel>Sounds for
events</guilabel>
                </para>
              </entry>
              <entry colsep="0" rowsep="0" valign="top">
                <para>Select this option to play sounds when particular events occur in your desktop
environment. You can select this option only if the <guilabel>Enable sound
server startup</guilabel> option is selected.</para>
              </entry>
            </row>
          </tbody>
        </tgroup>
      </table>
    </sect2>
    <sect2 id="goscustdesk-48">
      <title>Sound Event Settings</title>
      <para>Use the <guilabel>Sound Events</guilabel> tabbed section of the <application>Sound</application> preference tool to associate particular sounds with particular
events. </para>
      <note>
        <para>You must select the <guilabel>Enable sound server startup</guilabel>
option, and the <guilabel>Sounds for events</guilabel> option before you can
access the <guilabel>Sound Events</guilabel> tabbed section.</para>
      </note>
      <para><xref linkend="goscustmulti-TBL-6"/> lists the sound events settings
that you can configure.</para>
      <table frame="topbot" id="goscustmulti-TBL-6">
        <title>Settings for Sound Events</title>
        <tgroup cols="2" colsep="1" rowsep="1">
          <colspec colname="colspec18" colwidth="19.21*"/>
          <colspec colname="colspec19" colwidth="46.79*"/>
          <thead>
            <row>
              <entry colsep="0" rowsep="1" valign="top">
                <para>Option</para>
              </entry>
              <entry colsep="0" rowsep="1" valign="top">
                <para>Function</para>
              </entry>
            </row>
          </thead>
          <tbody>
            <row>
              <entry colname="colspec18" colsep="0" rowsep="0" valign="top">
                <para><guilabel>Sounds</guilabel> table</para>
              </entry>
              <entry colname="colspec19" colsep="0" rowsep="0" valign="top">
                <para>Use the <guilabel>Sounds</guilabel> table to
associate particular sounds with particular events. </para>
                <para>The <guilabel>Event</guilabel> column displays a hierarchical list of events that can occur.
To expand a category of events, click on the right arrow beside a category
of events.</para>
                <para>The <guilabel>File to play</guilabel> column lists
the sound file that plays when the event occurs.</para>
              </entry>
            </row>
            <row>
              <entry colsep="0" rowsep="0" valign="top">
                <para>
                  <guibutton>Play </guibutton>
                </para>
              </entry>
              <entry colsep="0" rowsep="0" valign="top">
                <para>Click on this button to play
the sound file that is associated with the selected event. </para>
              </entry>
            </row>
            <row>
              <entry colname="colspec18" colsep="0" rowsep="0" valign="top">
                <para>Sound file drop-down combination box, <guibutton>Browse </guibutton></para>
              </entry>
              <entry colname="colspec19" colsep="0" rowsep="0" valign="top">
                <para>To associate
a sound with an event, select the event in the <guilabel>Sounds</guilabel>
table. Enter the name of the sound file that you want to associate with the
selected event in the drop-down combination box. Alternatively, click <guibutton>Browse </guibutton> to display a <guilabel>Select sound file</guilabel> dialog.
Use the dialog to specify the sound file that you want to associate with the
selected event.</para>
                <note>
                  <para>You can only associate sound files in <filename>.wav</filename> format with events.</para>
                </note>
              </entry>
            </row>
          </tbody>
        </tgroup>
      </table>
    </sect2>
    <sect2 id="goscustdesk-41">
      <title>System Bell Settings</title>
      <indexterm>
        <primary>keyboard</primary>
        <secondary>configuring sound preferences</secondary>
      </indexterm>
      <indexterm>
        <primary>sound</primary>
        <secondary>configuring
system bell preferences</secondary>
      </indexterm>
      <indexterm>
        <primary>system
bell</primary>
        <secondary>configuring preferences</secondary>
      </indexterm>
      <para>Use the <guilabel>System Bell</guilabel> tabbed section to set your preferences
for the system bell.</para>
      <para>Some applications play a bell sound to indicate a keyboard input error.
Use the options in the <guilabel>System Bell</guilabel> tabbed section to
configure the bell sound. <xref linkend="goscustdesk-TBL-1"/> lists the system
bell settings that you can configure.</para>
      <table frame="topbot" id="goscustdesk-TBL-1">
        <title>Settings for System Bell</title>
        <tgroup cols="2" colsep="1" rowsep="1">
          <colspec colname="colspec18" colwidth="19.21*"/>
          <colspec colname="colspec19" colwidth="46.79*"/>
          <thead>
            <row>
              <entry colsep="0" rowsep="1" valign="top">
                <para>Option</para>
              </entry>
              <entry colsep="0" rowsep="1" valign="top">
                <para>Function</para>
              </entry>
            </row>
          </thead>
          <tbody>
            <row>
              <entry colname="colspec18" colsep="0" rowsep="0">
                <para>
                  <guilabel>Sound
an audible bell</guilabel>
                </para>
              </entry>
              <entry colname="colspec19" colsep="0" rowsep="0">
                <para>Select this option to enable the system bell.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec18" colsep="0" rowsep="0" valign="top">
                <para>
                  <guilabel>Visual feedback</guilabel>
                </para>
              </entry>
              <entry colname="colspec19" colsep="0" rowsep="0" valign="top">
                <para>Select this option to enable visual feedback
to indicate input errors. </para>
              </entry>
            </row>
            <row>
              <entry colname="colspec18" colsep="0" rowsep="0">
                <para>
                  <guilabel>Flash
window titlebar</guilabel>
                </para>
              </entry>
              <entry colname="colspec19" colsep="0" rowsep="0">
                <para>Select this option if you want window titlebars to flash
to indicate an input error. </para>
              </entry>
            </row>
            <row>
              <entry colname="colspec18" colsep="0" rowsep="0">
                <para>
                  <guilabel>Flash
entire screen</guilabel>
                </para>
              </entry>
              <entry colname="colspec19" colsep="0" rowsep="0">
                <para>Select this option if you want the entire screen to flash
to indicate an input error. </para>
              </entry>
            </row>
          </tbody>
        </tgroup>
      </table>
    </sect2>
  </sect1>
  <sect1 id="goscustdesk-12">
    <title>Customizing Themes in the Desktop Environment</title>
    <indexterm>
      <primary>themes</primary>
      <secondary>setting controls themes</secondary>
    </indexterm>
    <indexterm>
      <primary>themes</primary>
      <secondary>setting window
frame themes</secondary>
    </indexterm>
    <indexterm>
      <primary>themes</primary>
      <secondary>setting icons themes</secondary>
    </indexterm>
    <indexterm>
      <primary>windows</primary>
      <secondary>setting frame themes</secondary>
    </indexterm>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Theme</secondary>
    </indexterm>
    <para>A
theme is a group of coordinated settings that specifies the visual appearance
of a part of the desktop environment. You can choose themes to change the
appearance of the desktop environment. Use the <application>Theme</application>
preference tool to select a theme for your desktop environment. You can choose
from a list of available themes. The list of available themes includes several
themes for users with accessibility requirements. </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>GTK+
themes</primary><see>themes, controls options</see></indexterm><indexterm><primary>themes</primary><secondary>controls options</secondary><tertiary>introduction</tertiary></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. You 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. You 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. You 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>
    <sect2 id="goscustdesk-61">
      <title>To Create a Custom Theme</title>
      <para>The themes that are listed in the <application>Theme</application> preferences
tool are different combinations of controls options, window frame options,
and icon options. You can create a custom theme that uses different combinations
of controls options, window frame options, and icon options.</para>
      <para>To create a custom theme, perform the following steps:</para>
      <orderedlist>
        <listitem>
          <para>To open the <application>Theme</application> preference tool,
choose <menuchoice><guimenu>Applications</guimenu><guisubmenu>Desktop
Preferences</guisubmenu><guimenuitem>Theme</guimenuitem></menuchoice>.</para>
        </listitem>
        <listitem>
          <para>Select a theme in the list of themes.</para>
        </listitem>
        <listitem>
          <para>Click on the <guibutton>Details</guibutton> button. A <guilabel>Theme Details</guilabel> dialog is displayed.</para>
        </listitem>
        <listitem>
          <para>Select the controls option that you want to use in the custom
theme from the list in the <guilabel>Controls</guilabel> tabbed section. The
list of available controls options includes several options for users with
accessibility requirements.</para>
        </listitem>
        <listitem>
          <para>Click on the <guilabel>Window Border</guilabel> tab to display
the <guilabel>Window Border</guilabel> tabbed section. Select the window frame
option that you want to use in the custom theme from the list of available
options. The list of available window frame options includes several options
for users with accessibility requirements.</para>
        </listitem>
        <listitem>
          <para>Click on the <guilabel>Icons</guilabel> tab to display the <guilabel>Icons</guilabel> tabbed section. Select the icons option that you want to
use in the custom theme from the list of available options. The list of available
icons options includes several options for users with accessibility requirements.</para>
        </listitem>
        <listitem>
          <para>Click <guibutton>Close</guibutton> to close the <guilabel>Theme Details</guilabel> dialog.</para>
        </listitem>
        <listitem>
          <para>On the <application>Theme</application> preferences tool,
click on the <guibutton>Save theme</guibutton> button. A <guilabel>Save theme
to disk</guilabel> dialog is displayed.</para>
        </listitem>
        <listitem>
          <para>Type a name and a short description for the custom theme in
the dialog, then click <guibutton>Save</guibutton>. The custom theme now appears
in your list of available themes.</para>
        </listitem>
      </orderedlist>
    </sect2>
    <sect2 id="goscustdesk-62">
      <title>To Install a New Theme</title>
      <para>You can add a theme to the list of available themes. The new theme must
be an archive file that is tarred and zipped. That is, the new theme must
be a <filename>.tar.gz</filename> file.</para>
      <para>To install a new theme, perform the following steps:</para>
      <orderedlist>
        <listitem>
          <para>To open the <application>Theme</application> preference tool,
choose <menuchoice><guimenu>Applications</guimenu><guisubmenu>Desktop
Preferences</guisubmenu><guimenuitem>Theme</guimenuitem></menuchoice>.</para>
        </listitem>
        <listitem>
          <para>Click on the <guibutton>Install theme</guibutton> button.
An <guilabel>Install New Theme</guilabel> dialog is displayed.</para>
        </listitem>
        <listitem>
          <para>Enter the location of the theme archive file in the drop-down
combination box. Alternatively, to browse for the file, click on the <guibutton>Browse</guibutton> button. When you have selected the file, click <guibutton>OK</guibutton>.</para>
        </listitem>
        <listitem>
          <para>Click on the <guibutton>Install</guibutton> button to install
the new theme. </para>
        </listitem>
      </orderedlist>
    </sect2>
    <sect2 id="goscustdesk-80">
      <title>To Install a New Theme Option</title>
      <para>You can install new controls options, window frame options, or icons
options. You can find many controls options on the Internet.</para>
      <para>To install a new controls option, window frame option, or icons option,
perform the following steps:</para>
      <orderedlist>
        <listitem>
          <para>To open the <application>Theme</application> preference tool,
choose <menuchoice><guimenu>Applications</guimenu><guisubmenu>Desktop
Preferences</guisubmenu><guimenuitem>Theme</guimenuitem></menuchoice>.</para>
        </listitem>
        <listitem>
          <para>Click on the <guibutton>Details</guibutton> button. An <guilabel>Theme Details</guilabel> dialog is displayed.</para>
        </listitem>
        <listitem>
          <para>Click on the tab for the type of theme that you want to install.
For example, to install an icons option, click on the <guilabel>Icons</guilabel>
tab.</para>
        </listitem>
        <listitem>
          <para>Click on the <guibutton>Install new theme</guibutton> button.
An <guilabel>Install New Theme</guilabel> dialog is displayed.</para>
        </listitem>
        <listitem>
          <para>Enter the location of the option archive file in the drop-down
combination box. Alternatively, to browse for the file, click on the <guibutton>Browse</guibutton> button. When you have selected the file, click <guibutton>OK</guibutton>.</para>
        </listitem>
        <listitem>
          <para>Click on the <guibutton>Install</guibutton> button to install
the new option. </para>
        </listitem>
      </orderedlist>
    </sect2>
    <sect2 id="goscustdesk-81">
      <title>To Delete a Theme Option</title>
      <para>You can delete controls options, window frame options, or icons options.</para>
      <para>To delete a controls option, window frame option, or icons option, perform
the following steps:</para>
      <orderedlist>
        <listitem>
          <para>To open the <application>Theme</application> preference tool,
choose <menuchoice><guimenu>Applications</guimenu><guisubmenu>Desktop
Preferences</guisubmenu><guimenuitem>Theme</guimenuitem></menuchoice>.</para>
        </listitem>
        <listitem>
          <para>Click on the <guibutton>Details</guibutton> button. A <guilabel>Theme Details</guilabel> dialog is displayed.</para>
        </listitem>
        <listitem>
          <para>Click on the tab for the type of option that you want to delete. </para>
        </listitem>
        <listitem>
          <para>Click on the <guibutton>Go to theme folder</guibutton> button.
A file manager window opens on the default option folder.</para>
        </listitem>
        <listitem>
          <para>Use the file manager window to delete the option.</para>
        </listitem>
      </orderedlist>
    </sect2>
    <sect2 id="goscustdesk-82">
      <title>Previewing Themes</title>
      <para>You can use the file manager to preview themes. To preview themes, perform
the following steps:</para>
      <orderedlist>
        <listitem>
          <para>Open a file manager window.</para>
        </listitem>
        <listitem>
          <para>Enter the URI <command>themes:///</command> in the location
bar. The themes are displayed as icons in the view pane.</para>
        </listitem>
        <listitem>
          <para>Double-click on a theme to display a preview of the theme.</para>
        </listitem>
      </orderedlist>
    </sect2>
  </sect1>
  <sect1 id="goscustdesk-58">
    <title>Customizing Windows</title>
    <indexterm>
      <primary>window manager</primary>
      <secondary>customizing</secondary>
    </indexterm>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Windows</secondary>
    </indexterm>
    <para>Use the <application>Windows</application> preference
tool to customize window behavior for your desktop environment.</para>
    <para><xref linkend="goscustwindows-TBL-14"/> lists the window behavior settings
that you can customize.</para>
    <table frame="topbot" id="goscustwindows-TBL-14">
      <title>Settings for Window Behavior</title>
      <tgroup cols="2" colsep="1" rowsep="1">
        <colspec colname="colspec0" colwidth="18.86*"/>
        <colspec colname="colspec1" colwidth="47.14*"/>
        <thead>
          <row>
            <entry colsep="0" rowsep="1" valign="top">
              <para>Option</para>
            </entry>
            <entry colsep="0" rowsep="1" valign="top">
              <para>Function</para>
            </entry>
          </row>
        </thead>
        <tbody>
          <row>
            <entry colname="colspec0" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Select windows when the mouse moves over them</guilabel>
              </para>
            </entry>
            <entry colname="colspec1" colsep="0" rowsep="0" valign="top">
              <para>Select this option
to give focus to a window when you point to the window. The window retains
focus until you point to another window.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec0" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Raise selected windows after an interval</guilabel>
              </para>
            </entry>
            <entry colname="colspec1" colsep="0" rowsep="0" valign="top">
              <para>Select this option to raise windows
a short time after the window receives focus.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec0" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Interval before raising</guilabel>
              </para>
            </entry>
            <entry colname="colspec1" colsep="0" rowsep="0" valign="top">
              <para>Specify the interval to wait before
raising a window that has received focus.</para>
            </entry>
          </row>
          <row>
            <entry colname="colspec0" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>Double-click titlebar to perform this action</guilabel>
              </para>
            </entry>
            <entry colname="colspec1" colsep="0" rowsep="0" valign="top">
              <para>Select the behavior
that you want to occur when you double-click on a window titlebar. Select
one of the following options:</para>
              <itemizedlist>
                <listitem>
                  <para><guilabel>Roll up</guilabel>: Shades the window.</para>
                </listitem>
                <listitem>
                  <para><guilabel>Maximize</guilabel>: Maximizes the window.</para>
                </listitem>
              </itemizedlist>
            </entry>
          </row>
          <row>
            <entry colname="colspec0" colsep="0" rowsep="0" valign="top">
              <para>
                <guilabel>To move a window, press-and-hold this key then grab the window</guilabel>
              </para>
            </entry>
            <entry colname="colspec1" colsep="0" rowsep="0" valign="top">
              <para>Select
the key to press-and-hold when you drag a window to move the window.</para>
            </entry>
          </row>
        </tbody>
      </tgroup>
    </table>
  </sect1>
</chapter>
