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-<?xml version="1.0" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
- "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
-
-<refentry id="class-atkvalue">
-
- <refnamediv>
- <refname>atk.Value</refname>
- <refpurpose>the ATK interface implemented by valuators and components
- which display or select a value from a bounded range of values.
- </refpurpose>
- </refnamediv>
-
- <refsect1>
- <title>Synopsis</title>
-
- <classsynopsis language="python">
- <ooclass><classname>atk.Value</classname></ooclass>
- <ooclass><classname>gobject.GInterface</classname></ooclass>
- <methodsynopsis language="python">
- <methodname><link linkend="method-atkvalue--get-current-value">get_current_value</link></methodname>
- </methodsynopsis>
- <methodsynopsis language="python">
- <methodname><link linkend="method-atkvalue--get-maximum-value">get_maximum_value</link></methodname>
- </methodsynopsis>
- <methodsynopsis language="python">
- <methodname><link linkend="method-atkvalue--get-minimum-value">get_minimum_value</link></methodname>
- </methodsynopsis>
- <methodsynopsis language="python">
- <methodname><link linkend="method-atkvalue--set-current-value">set_current_value</link></methodname>
- <methodparam><parameter role="keyword">value</parameter></methodparam>
- </methodsynopsis>
-</classsynopsis>
-
- </refsect1>
-
- <refsect1>
- <title>Description</title>
-
- <para><link
- linkend="class-atkvalue"><classname>atk.Value</classname></link> should
- be implemented for components which either display a value from a
- bounded range, or which allow the user to specify a value from a bounded
- range, or both. For instance, most sliders and range controls, as well
- as dials, should have <link
- linkend="class-atkobject"><classname>atk.Object</classname></link>
- representations which implement <link
- linkend="class-atkvalue"><classname>atk.Value</classname></link> on the
- component's behalf. <link
- linkend="class-atkvalue"><classname>atk.Value</classname></link> objects
- may be read-only, in which case attempts to alter the value return
- <literal>False</literal> to indicate failure.</para>
-
- </refsect1>
-
- <refsect1>
- <title>Methods</title>
-
- <refsect2 id="method-atkvalue--get-current-value">
- <title>atk.Value.get_current_value</title>
-
- <programlisting><methodsynopsis language="python">
- <methodname>get_current_value</methodname>
- </methodsynopsis></programlisting>
-
- <variablelist>
- <varlistentry>
- <term><emphasis>Returns</emphasis>&nbsp;:</term>
- <listitem><simpara>the current accessible
- value</simpara></listitem>
- </varlistentry>
- </variablelist>
-
- <para>Gets the value of this object.</para>
-
- </refsect2>
-
- <refsect2 id="method-atkvalue--get-maximum-value">
- <title>atk.Value.get_maximum_value</title>
-
- <programlisting><methodsynopsis language="python">
- <methodname>get_maximum_value</methodname>
- </methodsynopsis></programlisting>
-
- <variablelist>
- <varlistentry>
- <term><emphasis>Returns</emphasis>&nbsp;:</term>
- <listitem><simpara>the maximum accessible
- value</simpara></listitem>
- </varlistentry>
- </variablelist>
-
- <para>Gets the maximum value of this object.</para>
-
- </refsect2>
-
- <refsect2 id="method-atkvalue--get-minimum-value">
- <title>atk.Value.get_minimum_value</title>
-
- <programlisting><methodsynopsis language="python">
- <methodname>get_minimum_value</methodname>
- </methodsynopsis></programlisting>
-
- <variablelist>
- <varlistentry>
- <term><emphasis>Returns</emphasis>&nbsp;:</term>
- <listitem><simpara> the minimum accessible
- value</simpara></listitem>
- </varlistentry>
- </variablelist>
-
- <para>Gets the minimum value of this object.</para>
-
- </refsect2>
-
- <refsect2 id="method-atkvalue--set-current-value">
- <title>atk.Value.set_current_value</title>
-
- <programlisting><methodsynopsis language="python">
- <methodname>set_current_value</methodname>
- <methodparam><parameter role="keyword">value</parameter></methodparam>
- </methodsynopsis></programlisting>
-
- <variablelist>
- <varlistentry>
- <term><parameter role="keyword">value</parameter>&nbsp;:</term>
- <listitem><simpara>the desired new accessible
- value.</simpara></listitem>
- </varlistentry>
- <varlistentry>
- <term><emphasis>Returns</emphasis>&nbsp;:</term>
- <listitem><simpara><literal>True</literal> if new value is
- successfully set, <literal>False</literal>
- otherwise.</simpara></listitem>
- </varlistentry>
- </variablelist>
-
- <para>Sets the value of this object.</para>
-
- </refsect2>
-
- </refsect1>
-
-</refentry>