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<!-- Generated by Doxygen 1.3.8 -->
<h1>GFC::Pango::AttrList Class Reference</h1>A PangoAttrList C++ wrapper class.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="attributes_8hh-source.html">gfc/pango/attributes.hh</a>></code>
<p>
<p>Inheritance diagram for GFC::Pango::AttrList:
<p><center><img src="classGFC_1_1Pango_1_1AttrList.png" usemap="#GFC::Pango::AttrList_map" border="0" alt=""></center>
<map name="GFC::Pango::AttrList_map">
<area doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Boxed.html" alt="GFC::G::Boxed" shape="rect" coords="0,112,125,136">
<area doxygen="gfccore.tag:" href="classGFC_1_1Object.html" alt="GFC::Object" shape="rect" coords="0,56,125,80">
<area doxygen="gfccore.tag:" href="classGFC_1_1Trackable.html" alt="GFC::Trackable" shape="rect" coords="0,0,125,24">
</map>
<a href="classGFC_1_1Pango_1_1AttrList-members.html">List of all members.</a><h2>Public Types</h2>
<ul>
<li>typedef sigc::slot< bool,<br>
const <a class="el" href="classGFC_1_1Pango_1_1Attribute.html">Attribute</a> & > <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#w0">AttrFilterSlot</a>
<dl class="el"><dd class="mdescRight">Signature of the callback slot used by <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1141_3">filter()</a> to filter out a subset of attributes for a list. <a href="#w0"></a><br></dl></ul>
<h2>Public Member Functions</h2>
<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
<ul>
<li><a class="anchor" name="z1139_0" doxytag="GFC::Pango::AttrList::AttrList" ></a>
<a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1139_0">AttrList</a> ()
<dl class="el"><dd class="mdescRight">Construct a new empty attribute list. <br></dl><li><a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1139_1">AttrList</a> (PangoAttrList *list)
<dl class="el"><dd class="mdescRight">Construct a new attribute list from an existing PangoAttrList. <a href="#z1139_1"></a><br></dl><li><a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1139_2">AttrList</a> (PangoAttrList *list, bool <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Boxed.html#z5_0">copy</a>)
<dl class="el"><dd class="mdescRight">Construct a new attribute list from an existing PangoAttrList. <a href="#z1139_2"></a><br></dl><li><a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1139_3">AttrList</a> (const <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> &src)
<dl class="el"><dd class="mdescRight">Copy constructor. <a href="#z1139_3"></a><br></dl><li><a class="anchor" name="z1139_4" doxytag="GFC::Pango::AttrList::~AttrList" ></a>
<a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1139_4">~AttrList</a> ()
<dl class="el"><dd class="mdescRight">Destructor. <br></dl><li><a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> & <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1139_5">operator=</a> (const <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> &src)
<dl class="el"><dd class="mdescRight">Assignment operator. <a href="#z1139_5"></a><br></dl></ul>
<tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr>
<ul>
<li><a class="anchor" name="z1140_0" doxytag="GFC::Pango::AttrList::pango_attr_list" ></a>
PangoAttrList * <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1140_0">pango_attr_list</a> () const
<dl class="el"><dd class="mdescRight">Get a pointer to the PangoAttrList structure. <br></dl><li><a class="anchor" name="z1140_1" doxytag="GFC::Pango::AttrList::operator PangoAttrList *" ></a>
<a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1140_1">operator PangoAttrList *</a> () const
<dl class="el"><dd class="mdescRight">Conversion operator; safely converts an <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> to a PangoAttrList pointer. <br></dl><li><a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a>< <a class="el" href="classGFC_1_1Pango_1_1AttrIterator.html">AttrIterator</a> > <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1140_2">get_iterator</a> () const
<dl class="el"><dd class="mdescRight">Creates an iterator initialized to the beginning of the list. <a href="#z1140_2"></a><br></dl></ul>
<tr><td colspan="2"><div class="groupHeader">Methods</div></td></tr>
<ul>
<li>void <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1141_0">insert</a> (<a class="el" href="classGFC_1_1Pango_1_1Attribute.html">Attribute</a> &attr, bool before=false)
<dl class="el"><dd class="mdescRight">Insert the given <em>attribute</em> into the list. <a href="#z1141_0"></a><br></dl><li>void <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1141_1">change</a> (<a class="el" href="classGFC_1_1Pango_1_1Attribute.html">Attribute</a> &attr)
<dl class="el"><dd class="mdescRight">Insert the given attribute into the list. <a href="#z1141_1"></a><br></dl><li>void <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1141_2">splice</a> (<a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> &other, int pos, int length)
<dl class="el"><dd class="mdescRight">This method splices the <em>other</em> attribute list into this list. <a href="#z1141_2"></a><br></dl><li><a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a>< <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> > <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1141_3">filter</a> (const <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#w0">AttrFilterSlot</a> &slot)
<dl class="el"><dd class="mdescRight">Given an <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> and callback slot, this method removes any elements of list for which <em>slot</em> returns <em>true</em> and inserts them into a new list. <a href="#z1141_3"></a><br></dl></ul>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A PangoAttrList C++ wrapper class.
<p>
<a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> represents a list of attributes that apply to a section of text. The attributes are, in general, allowed to overlap in an arbitrary fashion, however, if the attributes are manipulated only through <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1141_1">change()</a>, the overlap between properties will meet stricter criteria.<p>
Since the wrapped PangoAttrList structure is stored as a linear list, it is not suitable for storing attributes for large amounts of text. In general, you should not use a single <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> for more than one paragraph of text.
<p>
<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="w0" doxytag="GFC::Pango::AttrList::AttrFilterSlot" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> typedef sigc::slot<bool, const <a class="el" href="classGFC_1_1Pango_1_1Attribute.html">Attribute</a>&> <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#w0">GFC::Pango::AttrList::AttrFilterSlot</a> </td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Signature of the callback slot used by <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1141_3">filter()</a> to filter out a subset of attributes for a list.
<p>
<b>Example:</b> Method signature for AttrFilterSlot. <div class="fragment"><pre> <span class="keywordtype">bool</span> method(<span class="keyword">const</span> Attibute& attr);
<span class="comment">// attr: A Pango::Attribute.</span>
<span class="comment">// return: true if the attribute should be filtered out.</span>
</pre></div> </td>
</tr>
</table>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="z1139_1" doxytag="GFC::Pango::AttrList::AttrList" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> GFC::Pango::AttrList::AttrList </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">PangoAttrList * </td>
<td class="mdname1" valign="top" nowrap> <em>list</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [explicit]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Construct a new attribute list from an existing PangoAttrList.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>list</em> </td><td>A pointer to a PangoAttrList.</td></tr>
</table>
</dl>
<br>
The <em>list</em> can be a newly created PangoAttrList or an existing PangoAttrList. The <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> object created is a temporary object. It doesn't take over the ownership of PangoAttrList and PangoAttrList is not freed by the destructor. </td>
</tr>
</table>
<a class="anchor" name="z1139_2" doxytag="GFC::Pango::AttrList::AttrList" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> GFC::Pango::AttrList::AttrList </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">PangoAttrList * </td>
<td class="mdname" nowrap> <em>list</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>copy</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Construct a new attribute list from an existing PangoAttrList.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>list</em> </td><td>A pointer to a PangoAttrList. </td></tr>
<tr><td></td><td valign=top><em>copy</em> </td><td>Whether the <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> object should make a copy of PangoAttrList or not.</td></tr>
</table>
</dl>
<br>
The <em>list</em> can be a newly created PangoAttrList or an existing PangoAttrList. If <em>copy</em> is true <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> will make a copy of PangoAttrList. If <em>copy</em> is false <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> wont make a copy but instead takes over the ownership of PangoAttrList. Either way, the destructor will free PangoAttrList when the <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> object is destroyed. This constructor is used by <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Boxed.html#z6_0">G::Boxed::wrap()</a> to wrap PangoAttrList objects in a C++ wrapper. </td>
</tr>
</table>
<a class="anchor" name="z1139_3" doxytag="GFC::Pango::AttrList::AttrList" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> GFC::Pango::AttrList::AttrList </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>src</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Copy constructor.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>src</em> </td><td>The source attribute list. </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="z1141_1" doxytag="GFC::Pango::AttrList::change" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void GFC::Pango::AttrList::change </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="classGFC_1_1Pango_1_1Attribute.html">Attribute</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>attr</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Insert the given attribute into the list.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>attr</em> </td><td>The attribute to insert. Ownership of this value is assumed by the list.</td></tr>
</table>
</dl>
<br>
It will replace any attributes of the same type on that segment and be merged with any adjoining attributes that are identical. This function is slower than <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1141_0">insert()</a> for creating an attribute list in order (potentially much slower for large lists). However, <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1141_0">insert()</a> is not suitable for continually changing a set of attributes since it never removes or combines existing attributes. </td>
</tr>
</table>
<a class="anchor" name="z1141_3" doxytag="GFC::Pango::AttrList::filter" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a><<a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a>> GFC::Pango::AttrList::filter </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#w0">AttrFilterSlot</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>slot</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Given an <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> and callback slot, this method removes any elements of list for which <em>slot</em> returns <em>true</em> and inserts them into a new list.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>slot</em> </td><td>A callback slot; returns <em>true</em> if an atttribute should be filtered out. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>A smart pointer to a newly allocated <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a>, or null if no attributes of the given types were found. </dd></dl>
</td>
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<a class="anchor" name="z1140_2" doxytag="GFC::Pango::AttrList::get_iterator" ></a><p>
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<td class="mdRow">
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<td class="md" nowrap valign="top"> <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a><<a class="el" href="classGFC_1_1Pango_1_1AttrIterator.html">AttrIterator</a>> GFC::Pango::AttrList::get_iterator </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Creates an iterator initialized to the beginning of the list.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>A smart pointer to a new attribute iterator.</dd></dl>
<br>
The list must not be modified until the smart pointer has gone out of scope (i.e. the iterator has been destroyed). </td>
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<a class="anchor" name="z1141_0" doxytag="GFC::Pango::AttrList::insert" ></a><p>
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<td class="md" nowrap valign="top"> void GFC::Pango::AttrList::insert </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="classGFC_1_1Pango_1_1Attribute.html">Attribute</a> & </td>
<td class="mdname" nowrap> <em>attr</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>before</em> = <code>false</code></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
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</td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Insert the given <em>attribute</em> into the list.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>attr</em> </td><td>The attribute to insert. Ownership of this value is assumed by the list. </td></tr>
<tr><td></td><td valign=top><em>before</em> </td><td>Set <em>true</em> if <em>attr</em> should be inserted before other attributes.</td></tr>
</table>
</dl>
<br>
If <em>before</em> is false <em>attr</em> will be inserted after all other attributes with a matching start_index. If <em>before</em> is true <em>attr</em> will be inserted before all other attributes with a matching start_index. </td>
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<a class="anchor" name="z1139_5" doxytag="GFC::Pango::AttrList::operator=" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a>& GFC::Pango::AttrList::operator= </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>src</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
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</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Assignment operator.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>src</em> </td><td>The source attribute list. </td></tr>
</table>
</dl>
</td>
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<a class="anchor" name="z1141_2" doxytag="GFC::Pango::AttrList::splice" ></a><p>
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<td class="md" nowrap valign="top"> void GFC::Pango::AttrList::splice </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="classGFC_1_1Pango_1_1AttrList.html">AttrList</a> & </td>
<td class="mdname" nowrap> <em>other</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>pos</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>length</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
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</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
This method splices the <em>other</em> attribute list into this list.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>other</em> </td><td>Another attribute list. </td></tr>
<tr><td></td><td valign=top><em>pos</em> </td><td>The position in list at which to insert <em>other</em>. </td></tr>
<tr><td></td><td valign=top><em>length</em> </td><td>The length of the spliced segment.</td></tr>
</table>
</dl>
<br>
This operation is equivalent to stretching every attribute that applies at position pos in list by an amount len, and then calling <a class="el" href="classGFC_1_1Pango_1_1AttrList.html#z1141_1">change()</a> with a copy of each attribute in other in sequence (offset in position by pos).<p>
This operation proves useful for, for instance, inserting a preedit string in the middle of an edit buffer.<p>
<b>Note:</b> <em>length</em> must be specified since the attributes in <em>other</em> may only be present at some subsection of this range. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="attributes_8hh-source.html">attributes.hh</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Tue Aug 24 00:34:45 2004 for GFC-UI by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0 ></a> 1.3.8 </small></address>
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