path: root/gnome2-user-guide/C/goscustaccess.xml

<chapter id="goscustaccess-1">
  <title>Using the Accessibility Preference Tools</title>
  <highlights>
    <para>This chapter describes how to use the <guilabel>Accessibility</guilabel> preference tools to customize your desktop environment.</para>
  </highlights>
  <sect1 id="goscustaccess-2">
    <title>Opening an Accessibility Tool</title>
    <para>You can open an <guilabel>Accessibility</guilabel> preference tool in
the following ways: </para>
    <itemizedlist>
      <listitem>
        <para>From the <guisubmenu>Desktop Preferences</guisubmenu> menu</para>
        <para>Choose <menuchoice><guimenu>Applications</guimenu><guisubmenu>Desktop Preferences</guisubmenu><guisubmenu>Accessibility</guisubmenu></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, then double-click on the <guilabel>Accessibility</guilabel>
folder. </para>
      </listitem>
    </itemizedlist>
  </sect1>
  <sect1 id="goscustaccess-11">
    <title>Setting Assistive Technology Preferences</title>
    <indexterm>
      <primary>accessibility</primary>
      <secondary>setting assistive technology
preferences</secondary>
    </indexterm>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Assistive Technology</secondary>
    </indexterm>
    <para>Use the <application>Assistive Technology</application> preference tool to enable assistive technologies
in your desktop environment. You can also use the <application>Assistive Technology</application> preference tool to specify assistive technology applications
to start automatically when you log in.</para>
    <para><xref linkend="goscustaccess-TBL-14"/> lists the font settings that you
can configure.</para>
    <table frame="topbot" id="goscustaccess-TBL-14">
      <title>Assistive Technology Settings</title>
      <tgroup cols="2" colsep="0" rowsep="0">
        <colspec colwidth="50*"/>
        <colspec 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>Enable assistive technologies</guilabel>
              </para>
            </entry>
            <entry valign="top">
              <para>Select this option to enable assistive technologies
in your desktop environment. </para>
            </entry>
          </row>
          <row>
            <entry valign="top">
              <para>
                <guilabel>Screenreader</guilabel>
              </para>
            </entry>
            <entry valign="top">
              <para>Select this option to start the <application>Screenreader</application> application automatically when you log in.</para>
            </entry>
          </row>
          <row>
            <entry valign="top">
              <para>
                <guilabel>Magnifier</guilabel>
              </para>
            </entry>
            <entry valign="top">
              <para>Select this option to start the <application>Magnifier</application> application automatically when you log in.</para>
            </entry>
          </row>
          <row>
            <entry valign="top">
              <para>
                <guilabel>On-screen keyboard</guilabel>
              </para>
            </entry>
            <entry valign="top">
              <para>Select this option to start the <application>On-screen keyboard</application> application automatically when you log in.</para>
            </entry>
          </row>
        </tbody>
      </tgroup>
    </table>
  </sect1>
  <sect1 id="goscustaccess-6">
    <title>Configuring Keyboard Accessibility Options</title>
    <indexterm>
      <primary>AccessX</primary>
      <see>preference tools, Keyboard Accessibility</see>
    </indexterm>
    <indexterm>
      <primary>keyboard</primary>
      <secondary>configuring
accessibility options</secondary>
    </indexterm>
    <indexterm>
      <primary>accessibility</primary>
      <secondary>configuring keyboard</secondary>
    </indexterm>
    <indexterm>
      <primary>preference tools</primary>
      <secondary>Keyboard Accessibility</secondary>
    </indexterm>
    <para>Use the <application>Keyboard</application> accessibility
preference tool to set the keyboard accessibility preferences. The <application>Keyboard</application> accessibility preference tool is also known as <application>AccessX</application>.</para>
    <para>You can customize the settings for the <application>Keyboard</application>
accessibility preference tool in the following functional areas:</para>
    <itemizedlist>
      <listitem>
        <para>
          <guilabel>Basic</guilabel>
        </para>
      </listitem>
      <listitem>
        <para>
          <guilabel>Filters</guilabel>
        </para>
      </listitem>
      <listitem>
        <para>
          <guilabel>Mouse</guilabel>
        </para>
      </listitem>
    </itemizedlist>
    <sect2 id="goscustaccess-8">
      <title>Basic Settings</title>
      <para><xref linkend="goscustaccess-TBL-1"/> lists the basic keyboard accessibility
settings that you can modify.</para>
      <table frame="topbot" id="goscustaccess-TBL-1">
        <title>Keyboard Accessibility Settings</title>
        <tgroup cols="2" colsep="0" rowsep="0">
          <colspec colname="colspec0" colwidth="25.64*"/>
          <colspec colname="colspec1" colwidth="74.36*"/>
          <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>Enable keyboard
accessibility features</guilabel>
                </para>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>Select this option to enable keyboard accessibility features.
When you select this option, the other options in the preference tool become
available.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec0">
                <para>
                  <guilabel>Disable if unused for</guilabel>
                </para>
              </entry>
              <entry colname="colspec1">
                <para>Select this option to deactivate keyboard
accessibility preferences if the keyboard is not used for a specified period
of time. Use the slider to specify the number of seconds of keyboard idle
time required before the system disables the keyboard accessibility preferences.
 When the specified number of seconds elapses, the following keyboard accessibility
preferences are disabled:</para>
                <itemizedlist>
                  <listitem>
                    <para>Bounce keys</para>
                  </listitem>
                  <listitem>
                    <para>Mouse keys</para>
                  </listitem>
                  <listitem>
                    <para>Slow keys</para>
                  </listitem>
                  <listitem>
                    <para>Sticky keys</para>
                  </listitem>
                  <listitem>
                    <para>Toggle keys</para>
                  </listitem>
                </itemizedlist>
              </entry>
            </row>
            <row>
              <entry colname="colspec0" valign="top">
                <para>
                  <guilabel>Beep when features
turned on or off from keyboard</guilabel>
                </para>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>Select this option for an audible indication when a feature
such as sticky keys or slow keys is activated, or deactivated.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec0" valign="top">
                <para>
                  <guibutton>Import Feature
Settings</guibutton>
                </para>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>Click on this button to import an <application>AccessX</application> configuration
file. </para>
              </entry>
            </row>
            <row>
              <entry colname="colspec0" valign="top">
                <para>
                  <guilabel>Enable Sticky
Keys</guilabel>
                </para>
                <indexterm>
                  <primary>accessibility</primary>
                  <secondary>sticky keys</secondary>
                </indexterm>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>Select this option to perform multiple simultaneous keypress operations by
pressing the keys in sequence. You can specify the following sticky keys settings: </para>
                <itemizedlist>
                  <listitem>
                    <para><guilabel>Beep when modifier is pressed</guilabel>: Select
this option for an audible indication when you press a modifier key. </para>
                  </listitem>
                  <listitem>
                    <para><guilabel>Disable if two keys pressed together</guilabel>:
Select this option to specify that when you press two keys simultaneously,
you can no longer press keys in sequence to perform multiple simultaneous
keypresses.</para>
                  </listitem>
                </itemizedlist>
              </entry>
            </row>
            <row>
              <entry colname="colspec0" valign="top">
                <para>
                  <guilabel>Repeat Keys</guilabel>
                </para>
                <indexterm>
                  <primary>accessibility</primary>
                  <secondary>repeat keys</secondary>
                </indexterm>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>Select this option to enable
the autorepeat settings for your keyboard.</para>
                <itemizedlist>
                  <listitem>
                    <para><guilabel>Delay</guilabel>: Use this setting to specify the
interval to wait after the first keypress before the automatic repeat of a
pressed key. </para>
                  </listitem>
                  <listitem>
                    <para><guilabel>Speed</guilabel>: Use this setting to specify the
number of characters per second to enter. </para>
                  </listitem>
                </itemizedlist>
              </entry>
            </row>
            <row>
              <entry colname="colspec0" valign="top">
                <para>
                  <guilabel>Type to test settings</guilabel>
                </para>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>The
test area is an interactive interface so you can see how the keyboard settings
affect the display as you type. Type text in the test area to test the effect
of your settings.</para>
              </entry>
            </row>
          </tbody>
        </tgroup>
      </table>
      <para>For more information
on configuring keyboard accessibility preferences, see <citetitle>GNOME 2.2
Desktop Accessibility Guide</citetitle>.</para>
    </sect2>
    <sect2 id="goscustaccess-9">
      <title>Filter Settings</title>
      <para><xref linkend="goscustaccess-TBL-11"/> lists the filter settings that
you can modify.</para>
      <table frame="topbot" id="goscustaccess-TBL-11">
        <title>Filter Settings</title>
        <tgroup cols="2" colsep="0" rowsep="0">
          <colspec colname="colspec0" colwidth="25.64*"/>
          <colspec colname="colspec1" colwidth="74.36*"/>
          <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>Enable keyboard
accessibility features</guilabel>
                </para>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>Select this option to enable keyboard accessibility features.
When you select this option, the other options in the preference tool become
available.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec0" valign="top">
                <para>
                  <guilabel>Enable Slow Keys</guilabel>
                </para>
                <indexterm>
                  <primary>accessibility</primary>
                  <secondary>slow keys</secondary>
                </indexterm>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>Select this option to control the period of time that you must press-and-hold
a key before acceptance. You can specify the following slow keys settings: </para>
                <itemizedlist>
                  <listitem>
                    <para><guilabel>Only accept keys held for</guilabel>: Use this setting
to specify the period of time that you must press-and-hold a key before acceptance. </para>
                  </listitem>
                  <listitem>
                    <para><guilabel>Beep when key is</guilabel>: Select the appropriate
option or options for an audible indication  when a key is pressed, accepted,
or rejected. </para>
                  </listitem>
                </itemizedlist>
              </entry>
            </row>
            <row>
              <entry colname="colspec0" valign="top">
                <para>
                  <guilabel>Enable Bounce
Keys</guilabel>
                </para>
                <indexterm>
                  <primary>accessibility</primary>
                  <secondary>bounce keys</secondary>
                </indexterm>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>Select this option to accept a key input and to control the key repeat characteristics
of the keyboard. You can specify the following bounce keys settings:  </para>
                <itemizedlist>
                  <listitem>
                    <para><guilabel>Ignore duplicate keypresses within</guilabel>: Use
this setting to specify the interval to wait after the first keypress before
the automatic repeat of a pressed key. </para>
                  </listitem>
                  <listitem>
                    <para><guilabel>Beep if key is rejected</guilabel>: Select this
option for an audible indication of key rejection. </para>
                  </listitem>
                </itemizedlist>
              </entry>
            </row>
            <row>
              <entry colname="colspec0" valign="top">
                <para>
                  <guilabel>Enable Toggle
Keys</guilabel>
                </para>
                <indexterm>
                  <primary>accessibility</primary>
                  <secondary>toggle keys</secondary>
                </indexterm>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>Select this option for an audible indication of a toggle keypress. You hear
one beep when a toggle key is turned on. You hear two beeps when a toggle
key is turned off.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec0" valign="top">
                <para>
                  <guilabel>Type to test settings</guilabel>
                </para>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>The
test area is an interactive interface so you can see how the keyboard settings
affect the display as you type. Type text in the test area to test the effect
of your settings.</para>
              </entry>
            </row>
          </tbody>
        </tgroup>
      </table>
      <para>For more information
on configuring keyboard accessibility preferences, see <citetitle>GNOME 2.2
Desktop Accessibility Guide</citetitle>.</para>
    </sect2>
    <sect2 id="goscustaccess-10">
      <title>Mouse Settings</title>
      <para><xref linkend="goscustaccess-TBL-12"/> lists the mouse settings that
you can modify.</para>
      <table frame="topbot" id="goscustaccess-TBL-12">
        <title>Mouse Settings</title>
        <tgroup cols="2" colsep="0" rowsep="0">
          <colspec colname="colspec0" colwidth="25.64*"/>
          <colspec colname="colspec1" colwidth="74.36*"/>
          <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>Enable keyboard
accessibility features</guilabel>
                </para>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>Select this option to enable keyboard accessibility features.
When you select this option, the other options in the preference tool become
available.</para>
              </entry>
            </row>
            <row>
              <entry colname="colspec0" valign="top">
                <para>
                  <guilabel>Enable Mouse Keys</guilabel>
                </para>
                <indexterm>
                  <primary>accessibility</primary>
                  <secondary>mouse keys</secondary>
                </indexterm>
              </entry>
              <entry colname="colspec1" valign="top">
                <para>Select this option to make the numeric keypad emulate mouse actions. You can
specify the following mouse key settings: </para>
                <itemizedlist>
                  <listitem>
                    <para><guilabel>Maximum pointer speed</guilabel>: Use this setting
to specify the maximum speed that the pointer moves across the screen.</para>
                  </listitem>
                  <listitem>
                    <para><guilabel>Time to accelerate to maximum speed</guilabel>:
Use this setting to specify the duration of the acceleration time of the pointer. </para>
                  </listitem>
                  <listitem>
                    <para><guilabel>Delay between keypress and pointer movement</guilabel>:
Use this setting to specify the period of time that must pass after a keypress
before the pointer moves. </para>
                  </listitem>
                </itemizedlist>
              </entry>
            </row>
            <row>
              <entry colname="colspec0">
                <para>
                  <guibutton>Mouse Preferences</guibutton>
                </para>
              </entry>
              <entry colname="colspec1">
                <para>Click on this button to open the <application>Mouse</application> preference tool.</para>
              </entry>
            </row>
          </tbody>
        </tgroup>
      </table>
      <para>For more information
on configuring keyboard accessibility preferences, see <citetitle>GNOME 2.2
Desktop Accessibility Guide</citetitle>.</para>
    </sect2>
  </sect1>
</chapter>