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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-gtkviewport">
<refnamediv>
<refname>gtk.Viewport</refname>
<refpurpose>a widget displaying a portion of a larger
widget.</refpurpose>
</refnamediv>
<refsect1>
<title>Synopsis</title>
<classsynopsis language="python">
<ooclass><classname>gtk.Viewport</classname></ooclass>
<ooclass><classname><link
linkend="class-gtkbin">gtk.Bin</link></classname></ooclass>
<constructorsynopsis language="python">
<methodname><link
linkend="constructor-gtkviewport">gtk.Viewport</link></methodname>
<methodparam><parameter role="keyword">hadjustment</parameter>
<initializer>None</initializer></methodparam>
<methodparam><parameter role="keyword">vadjustment</parameter>
<initializer>None</initializer></methodparam>
</constructorsynopsis>
<methodsynopsis language="python">
<methodname><link
linkend="method-gtkviewport--get-hadjustment">get_hadjustment</link></methodname>
<methodparam></methodparam> </methodsynopsis>
<methodsynopsis language="python">
<methodname><link
linkend="method-gtkviewport--get-vadjustment">get_vadjustment</link></methodname>
<methodparam></methodparam> </methodsynopsis>
<methodsynopsis language="python">
<methodname><link
linkend="method-gtkviewport--set-hadjustment">set_hadjustment</link></methodname>
<methodparam><parameter
role="keyword">adjustment</parameter></methodparam>
</methodsynopsis>
<methodsynopsis language="python">
<methodname><link
linkend="method-gtkviewport--set-vadjustment">set_vadjustment</link></methodname>
<methodparam><parameter
role="keyword">adjustment</parameter></methodparam>
</methodsynopsis>
<methodsynopsis language="python">
<methodname><link
linkend="method-gtkviewport--set-shadow-type">set_shadow_type</link></methodname>
<methodparam><parameter
role="keyword">type</parameter></methodparam>
</methodsynopsis>
<methodsynopsis language="python">
<methodname><link
linkend="method-gtkviewport--get-shadow-type">get_shadow_type</link></methodname>
<methodparam></methodparam> </methodsynopsis>
</classsynopsis>
</refsect1>
<refsect1>
<title>Ancestry</title>
<synopsis>+-- <link linkend="class-gobject">gobject.GObject</link>
+-- <link linkend="class-gtkobject">gtk.Object</link>
+-- <link linkend="class-gtkwidget">gtk.Widget</link>
+-- <link linkend="class-gtkcontainer">gtk.Container</link>
+-- <link linkend="class-gtkbin">gtk.Bin</link>
+-- <link linkend="class-gtkviewport">gtk.Viewport</link>
</synopsis>
</refsect1>
<refsect1>
<title>Implemented Interfaces</title>
<para>
<link linkend="class-gtkviewport"><classname>gtk.Viewport</classname></link>
implements
<link linkend="class-gtkbuildable"><classname>gtk.Buildable</classname></link>
</para>
</refsect1>
<refsect1 id="properties-gtkviewport">
<title>gtk.Viewport Properties</title>
<para><link linkend="properties-gtkobject">gtk.Object Properties</link></para>
<para><link linkend="properties-gtkwidget">gtk.Widget Properties</link></para>
<para><link linkend="properties-gtkcontainer">gtk.Container Properties</link></para>
<blockquote role="properties">
<informaltable pgwide="1" frame="none">
<tgroup cols="3">
<colspec column="1" colwidth="1in"/>
<colspec column="2" colwidth="1in"/>
<colspec column="3" colwidth="4in"/>
<tbody>
<row valign="top">
<entry>"hadjustment"</entry>
<entry>Read-Write</entry>
<entry>The <link
linkend="class-gtkadjustment"><classname>gtk.Adjustment</classname></link>
that determines the values of the horizontal position for this
viewport.</entry>
</row>
<row valign="top">
<entry>"shadow-type"</entry>
<entry>Read-Write</entry>
<entry>The type of shadowed box around the viewport:
<literal>gtk.SHADOW_NONE</literal>, <literal>gtk.SHADOW_IN</literal>,
<literal>gtk.SHADOW_OUT</literal>, <literal>gtk.SHADOW_ETCHED_IN</literal>
or <literal>gtk.SHADOW_ETCHED_OUT</literal></entry>
</row>
<row valign="top">
<entry>"vadjustment"</entry>
<entry>Read-Write</entry>
<entry>The <link
linkend="class-gtkadjustment"><classname>gtk.Adjustment</classname></link>
that determines the values of the vertical position for this
viewport.</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</blockquote>
</refsect1>
<refsect1 id="style-properties-gtkviewport">
<title>gtk.Viewport Style Properties</title>
<para><link linkend="style-properties-gtkwidget">gtk.Widget Style Properties</link></para>
</refsect1>
<refsect1 id="signal-prototypes-gtkviewport">
<title>gtk.Viewport Signal Prototypes</title>
<para><link linkend="signal-prototypes-gobject">gobject.GObject Signal Prototypes</link></para>
<para><link linkend="signal-prototypes-gtkobject">gtk.Object Signal Prototypes</link></para>
<para><link linkend="signal-prototypes-gtkwidget">gtk.Widget Signal Prototypes</link></para>
<para><link linkend="signal-prototypes-gtkcontainer">gtk.Container Signal Prototypes</link></para>
<variablelist>
<varlistentry>
<term>"<link
linkend="signal-gtkviewport--set-scroll-adjustments">set-scroll-adjustments</link>"</term>
<listitem>
<methodsynopsis
language="python"><methodname>callback</methodname>
<methodparam><parameter>viewport</parameter></methodparam>
<methodparam><parameter>hadjustment</parameter></methodparam>
<methodparam><parameter>vadjustment</parameter></methodparam>
<methodparam><parameter>user_param1</parameter></methodparam>
<methodparam><parameter>...</parameter></methodparam>
</methodsynopsis>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Description</title>
<para>A <link
linkend="class-gtkviewport"><classname>gtk.Viewport</classname></link>
widget provides a view into a portion of a larger widget. A <link
linkend="class-gtkviewport"><classname>gtk.Viewport</classname></link> is
usually used to provide adjustment capability for a widget to be used in a
<link
linkend="class-gtkscrolledwindow"><classname>gtk.ScrolledWindow</classname></link>.
For example, a label widget doesn't have any adjustments (does not support
the "set-scroll-adjustments" signal) and would need a viewport when added to
a <link
linkend="class-gtkscrolledwindow"><classname>gtk.ScrolledWindow</classname></link>
to make the scrollbars functional. See the <link
linkend="method-gtkscrolledwindow--add-with-viewport"><methodname>gtk.ScrolledWindow.add_with_viewport</methodname>()</link>
method for more information.</para>
</refsect1>
<refsect1 id="constructor-gtkviewport">
<title>Constructor</title>
<programlisting><constructorsynopsis language="python">
<methodname>gtk.Viewport</methodname>
<methodparam><parameter role="keyword">hadjustment</parameter>
<initializer>None</initializer></methodparam>
<methodparam><parameter role="keyword">vadjustment</parameter>
<initializer>None</initializer></methodparam>
</constructorsynopsis></programlisting>
<variablelist>
<varlistentry>
<term><parameter
role="keyword">hadjustment</parameter> :</term>
<listitem><simpara>a horizontal adjustment.</simpara></listitem>
</varlistentry>
<varlistentry>
<term><parameter
role="keyword">vadjustment</parameter> :</term>
<listitem><simpara>a vertical adjustment.</simpara></listitem>
</varlistentry>
<varlistentry>
<term><emphasis>Returns</emphasis> :</term>
<listitem><simpara>a new <link
linkend="class-gtkviewport"><classname>gtk.Viewport</classname></link>
widget</simpara></listitem>
</varlistentry>
</variablelist>
<para>Creates a new <link
linkend="class-gtkviewport"><classname>gtk.Viewport</classname></link> with
the horizontal and vertical adjustments specified by
<parameter>hadjustment</parameter> and <parameter>vadjustment</parameter>
respectively. If <parameter>hadjustment</parameter> or
<parameter>vadjustment</parameter> is <literal>None</literal> a new
adjustment will be created.</para>
</refsect1>
<refsect1>
<title>Methods</title>
<refsect2 id="method-gtkviewport--get-hadjustment">
<title>gtk.Viewport.get_hadjustment</title>
<programlisting><methodsynopsis language="python">
<methodname>get_hadjustment</methodname>
<methodparam></methodparam> </methodsynopsis></programlisting>
<variablelist>
<varlistentry>
<term><emphasis>Returns</emphasis> :</term>
<listitem><simpara>the horizontal adjustment</simpara></listitem>
</varlistentry>
</variablelist>
<para>The <methodname>get_hadjustment</methodname>() method returns
the value of the "hadjustment" property that contains the horizontal <link
linkend="class-gtkadjustment"><classname>gtk.Adjustment</classname></link>
of the viewport.</para>
</refsect2>
<refsect2 id="method-gtkviewport--get-vadjustment">
<title>gtk.Viewport.get_vadjustment</title>
<programlisting><methodsynopsis language="python">
<methodname>get_vadjustment</methodname>
<methodparam></methodparam> </methodsynopsis></programlisting>
<variablelist>
<varlistentry>
<term><emphasis>Returns</emphasis> :</term>
<listitem><simpara>the vertical adjustment</simpara></listitem>
</varlistentry>
</variablelist>
<para>The <methodname>get_vadjustment</methodname>() method returns
the value of the "vadjustment" property that contains the vertical <link
linkend="class-gtkadjustment"><classname>gtk.Adjustment</classname></link>
of the viewport.</para>
</refsect2>
<refsect2 id="method-gtkviewport--set-hadjustment">
<title>gtk.Viewport.set_hadjustment</title>
<programlisting><methodsynopsis language="python">
<methodname>set_hadjustment</methodname>
<methodparam><parameter
role="keyword">adjustment</parameter></methodparam>
</methodsynopsis></programlisting>
<variablelist>
<varlistentry>
<term><parameter
role="keyword">adjustment</parameter> :</term>
<listitem><simpara>a <link
linkend="class-gtkadjustment"><classname>gtk.Adjustment</classname></link>.</simpara></listitem>
</varlistentry>
</variablelist>
<para>The <methodname>set_hadjustment</methodname>() method sets the
"hadjustment" property to the value of <parameter>adjustment</parameter>
that becomes the horizontal adjustment of the viewport.</para>
</refsect2>
<refsect2 id="method-gtkviewport--set-vadjustment">
<title>gtk.Viewport.set_vadjustment</title>
<programlisting><methodsynopsis language="python">
<methodname>set_vadjustment</methodname>
<methodparam><parameter
role="keyword">adjustment</parameter></methodparam>
</methodsynopsis></programlisting>
<variablelist>
<varlistentry>
<term><parameter
role="keyword">adjustment</parameter> :</term>
<listitem><simpara>a <link
linkend="class-gtkadjustment"><classname>gtk.Adjustment</classname></link>.</simpara></listitem>
</varlistentry>
</variablelist>
<para>The <methodname>set_vadjustment</methodname>() method sets the
"vadjustment" property to the value of <parameter>adjustment</parameter>
that becomes the vertical adjustment of the viewport.</para>
</refsect2>
<refsect2 id="method-gtkviewport--set-shadow-type">
<title>gtk.Viewport.set_shadow_type</title>
<programlisting><methodsynopsis language="python">
<methodname>set_shadow_type</methodname>
<methodparam><parameter
role="keyword">type</parameter></methodparam>
</methodsynopsis></programlisting>
<variablelist>
<varlistentry>
<term><parameter role="keyword">type</parameter> :</term>
<listitem><simpara>the new shadow type.</simpara></listitem>
</varlistentry>
</variablelist>
<para>The <methodname>set_shadow_type</methodname>() method sets the
"shadow-type" property to the value of <parameter>type</parameter>. The
value of <parameter>type</parameter> must be one of:</para>
<itemizedlist>
<listitem>
<simpara><literal>gtk.SHADOW_NONE</literal></simpara>
</listitem>
<listitem>
<simpara><literal>gtk.SHADOW_IN</literal></simpara>
</listitem>
<listitem>
<simpara><literal>gtk.SHADOW_OUT</literal></simpara>
</listitem>
<listitem>
<simpara><literal>gtk.SHADOW_ETCHED_IN</literal></simpara>
</listitem>
<listitem>
<simpara><literal>gtk.SHADOW_ETCHED_OUT</literal></simpara>
</listitem>
</itemizedlist>
<para></para>
</refsect2>
<refsect2 id="method-gtkviewport--get-shadow-type">
<title>gtk.Viewport.get_shadow_type</title>
<programlisting><methodsynopsis language="python">
<methodname>get_shadow_type</methodname>
<methodparam></methodparam> </methodsynopsis></programlisting>
<variablelist>
<varlistentry>
<term><emphasis>Returns</emphasis> :</term>
<listitem><simpara>the shadow type</simpara></listitem>
</varlistentry>
</variablelist>
<para>The <methodname>get_shadow_type</methodname>() method returns
the value of the "shadow-type" property that contains the shadow type of the
<link
linkend="class-gtkviewport"><classname>gtk.Viewport</classname></link>. See
the <link
linkend="method-gtkviewport--set-shadow-type"><methodname>set_shadow_type</methodname>()</link>
method for more information.</para>
</refsect2>
</refsect1>
<refsect1>
<title>Signals</title>
<refsect2 id="signal-gtkviewport--set-scroll-adjustments">
<title>The "set-scroll-adjustments" gtk.Viewport Signal</title>
<programlisting><methodsynopsis language="python">
<methodname>callback</methodname>
<methodparam><parameter>viewport</parameter></methodparam>
<methodparam><parameter>hadjustment</parameter></methodparam>
<methodparam><parameter>vadjustment</parameter></methodparam>
<methodparam><parameter>user_param1</parameter></methodparam>
<methodparam><parameter>...</parameter></methodparam>
</methodsynopsis></programlisting>
<variablelist>
<varlistentry>
<term><parameter>viewport</parameter> :</term>
<listitem><simpara>the viewport that received the
signal</simpara></listitem>
</varlistentry>
<varlistentry>
<term><parameter>hadjustment</parameter> :</term>
<listitem><simpara>the horizontal <link
linkend="class-gtkadjustment"><classname>gtk.Adjustment</classname></link></simpara></listitem>
</varlistentry>
<varlistentry>
<term><parameter>vadjustment</parameter> :</term>
<listitem><simpara>the vertical <link
linkend="class-gtkadjustment"><classname>gtk.Adjustment</classname></link></simpara></listitem>
</varlistentry>
<varlistentry>
<term><parameter>user_param1</parameter> :</term>
<listitem><simpara>the first user parameter (if any) specified
with the <link
linkend="method-gobject--connect"><methodname>connect</methodname>()</link>
method</simpara></listitem>
</varlistentry>
<varlistentry>
<term><parameter>...</parameter> :</term>
<listitem><simpara>additional user parameters (if
any)</simpara></listitem>
</varlistentry>
</variablelist>
<para>The "set-scroll-adjustments" signal is emitted when one or both
of the horizontal and vertical <link
linkend="class-gtkadjustment"><classname>gtk.Adjustment</classname></link>
objects is changed.</para>
</refsect2>
</refsect1>
</refentry>
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