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<div id="projectname">gtkmm
 <span id="projectnumber">3.14.0</span>
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<li class="navelem"><a class="el" href="namespaceGtk.html">Gtk</a></li><li class="navelem"><a class="el" href="classGtk_1_1TreeModelColumnRecord.html">TreeModelColumnRecord</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">Gtk::TreeModelColumnRecord Class Reference<div class="ingroups"><a class="el" href="group__TreeView.html">TreeView Classes</a></div></div> </div>
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<p>Typedefed as <a class="el" href="classGtk_1_1TreeModel.html#a58f10daabaa507b4c2473c9d1b6fa584">TreeModel::ColumnRecord</a>.
<a href="classGtk_1_1TreeModelColumnRecord.html#details">More...</a></p>
<p><code>#include <gtkmm/treemodelcolumn.h></code></p>
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Inheritance diagram for Gtk::TreeModelColumnRecord:</div>
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<area shape="rect" id="node2" href="classGtk_1_1ListViewText_1_1TextModelColumns.html" title="Gtk::ListViewText::\lTextModelColumns" alt="" coords="39,81,179,122"/></map>
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Public Member Functions</h2></td></tr>
<tr class="memitem:af0c1c552400694ad0d7e5695f8868d78"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1TreeModelColumnRecord.html#af0c1c552400694ad0d7e5695f8868d78">TreeModelColumnRecord</a> ()</td></tr>
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<tr class="memitem:a3ebe61558fecbcf761ee01f5ec8c0312"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1TreeModelColumnRecord.html#a3ebe61558fecbcf761ee01f5ec8c0312">~TreeModelColumnRecord</a> ()</td></tr>
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<tr class="memitem:a7084fc10fa1abf0d7317558b8462559f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1TreeModelColumnRecord.html#a7084fc10fa1abf0d7317558b8462559f">add</a> (<a class="el" href="classGtk_1_1TreeModelColumnBase.html">TreeModelColumnBase</a>& column)</td></tr>
<tr class="memdesc:a7084fc10fa1abf0d7317558b8462559f"><td class="mdescLeft"> </td><td class="mdescRight">Adds a <a class="el" href="classGtk_1_1TreeModelColumn.html" title="A Gtk::TreeModelColumn describes the C++ type of the data in a model column, and identifies that colu...">TreeModelColumn</a> to this record. <a href="#a7084fc10fa1abf0d7317558b8462559f">More...</a><br /></td></tr>
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<tr class="memitem:a024f6f44405b1f1c61a7e85d41dafe7d"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1TreeModelColumnRecord.html#a024f6f44405b1f1c61a7e85d41dafe7d">size</a> () const </td></tr>
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<tr class="memitem:af56c98a2bce96003a281b4cd831f1139"><td class="memItemLeft" align="right" valign="top">const GType* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1TreeModelColumnRecord.html#af56c98a2bce96003a281b4cd831f1139">types</a> () const </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Typedefed as <a class="el" href="classGtk_1_1TreeModel.html#a58f10daabaa507b4c2473c9d1b6fa584">TreeModel::ColumnRecord</a>. </p>
<p>Keeps a record of <a class="el" href="classGtk_1_1TreeModelColumn.html">TreeModelColumns</a>.</p>
<p>ColumnRecord objects are used to setup a new instance of a <a class="el" href="classGtk_1_1TreeModel.html" title="This class defines a generic tree interface for use by the Gtk::TreeView widget. ">TreeModel</a> (or rather, a new instance of an implementation of the model, such as <a class="el" href="classGtk_1_1ListStore.html" title="Thist is a list model for use with a Gtk::TreeView widget. ">Gtk::ListStore</a> or <a class="el" href="classGtk_1_1TreeStore.html">Gtk::TreeStore</a>). It is convenient to do that by deriving from <a class="el" href="classGtk_1_1TreeModel.html#a58f10daabaa507b4c2473c9d1b6fa584">TreeModel::ColumnRecord</a>: </p><div class="fragment"><div class="line"><span class="keyword">class </span>MyModelColumns : <span class="keyword">public</span> <a class="code" href="classGtk_1_1TreeModelColumnRecord.html">Gtk::TreeModel::ColumnRecord</a></div>
<div class="line">{</div>
<div class="line"><span class="keyword">public</span>:</div>
<div class="line"> <a class="code" href="classGtk_1_1TreeModelColumn.html">Gtk::TreeModelColumn<Glib::ustring></a> filename;</div>
<div class="line"> <a class="code" href="classGtk_1_1TreeModelColumn.html">Gtk::TreeModelColumn<Glib::ustring></a> description;</div>
<div class="line"> <a class="code" href="classGtk_1_1TreeModelColumn.html">Gtk::TreeModelColumn< Glib::RefPtr<Gdk::Pixbuf></a> > thumbnail;</div>
<div class="line"></div>
<div class="line"> MyModelColumns() { <a class="code" href="classGtk_1_1TreeModelColumnRecord.html#a7084fc10fa1abf0d7317558b8462559f">add</a>(filename); <a class="code" href="classGtk_1_1TreeModelColumnRecord.html#a7084fc10fa1abf0d7317558b8462559f">add</a>(description); <a class="code" href="classGtk_1_1TreeModelColumnRecord.html#a7084fc10fa1abf0d7317558b8462559f">add</a>(thumbnail); }</div>
<div class="line">};</div>
</div><!-- fragment --><p>Whether or not you derive your own ColumnRecord, you need to add the <a class="el" href="classGtk_1_1TreeModelColumn.html">TreeModelColumns</a> to the ColumnRecord with the <a class="el" href="classGtk_1_1TreeModelColumnRecord.html#a7084fc10fa1abf0d7317558b8462559f" title="Adds a TreeModelColumn to this record. ">add()</a> method.</p>
<p>A ColumnRecord instance, such as an instance of <code>MyModelColumns</code> should then be passed to <a class="el" href="classGtk_1_1ListStore.html#aaa6c530560f66872482a0650739276c5" title="Instantiate a new ListStore. ">ListStore::create()</a> or <a class="el" href="classGtk_1_1TreeStore.html#a65fc563bfbef2f1a31028cd33ff228c0" title="Instantiate a new TreeStore. ">TreeStore::create()</a>. The <a class="el" href="classGtk_1_1TreeModelColumn.html">TreeModelColumns</a>, such as the members <code>filename</code>, <code>description</code> and <code>thumbnail</code> can then be used with <a class="el" href="classGtk_1_1TreeRow.html#aaf9be9abd2a264e1a562f0e745ad4721" title="Use this to set and get the value of this column of this row. ">Gtk::TreeRow::operator[]()</a> to specify the column you're interested in.</p>
<p>Neither <a class="el" href="classGtk_1_1TreeModel.html#a58f10daabaa507b4c2473c9d1b6fa584">TreeModel::ColumnRecord</a> nor the <a class="el" href="classGtk_1_1TreeModelColumn.html">TreeModelColumns</a> contain any real data – they merely describe what C++ type is stored in which column of a <a class="el" href="classGtk_1_1TreeModel.html" title="This class defines a generic tree interface for use by the Gtk::TreeView widget. ">TreeModel</a>, and save you from having to repeat that type information in several places.</p>
<p>Thus <a class="el" href="classGtk_1_1TreeModel.html#a58f10daabaa507b4c2473c9d1b6fa584">TreeModel::ColumnRecord</a> can be made a singleton (as long as you make sure it's instantiated after <a class="el" href="classGtk_1_1Main.html" title="Main application class. ">Gtk::Main</a>), even when creating multiple models from it. </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">Gtk::TreeModelColumnRecord::TreeModelColumnRecord </td>
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<td class="memname">virtual Gtk::TreeModelColumnRecord::~TreeModelColumnRecord </td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">void Gtk::TreeModelColumnRecord::add </td>
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<td class="paramtype"><a class="el" href="classGtk_1_1TreeModelColumnBase.html">TreeModelColumnBase</a>& </td>
<td class="paramname"><em>column</em></td><td>)</td>
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<p>Adds a <a class="el" href="classGtk_1_1TreeModelColumn.html" title="A Gtk::TreeModelColumn describes the C++ type of the data in a model column, and identifies that colu...">TreeModelColumn</a> to this record. </p>
<p><a class="el" href="classGtk_1_1TreeModelColumnRecord.html#a7084fc10fa1abf0d7317558b8462559f" title="Adds a TreeModelColumn to this record. ">add()</a> not only registers the <em>column</em>, but also assigns a column index to it. Once registered, the <a class="el" href="classGtk_1_1TreeModelColumn.html" title="A Gtk::TreeModelColumn describes the C++ type of the data in a model column, and identifies that colu...">TreeModelColumn</a> is final, and you're free to pass it around by value. </p>
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<td class="memname">unsigned int Gtk::TreeModelColumnRecord::size </td>
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<td class="memname">const GType* Gtk::TreeModelColumnRecord::types </td>
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<td> const</td>
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