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<!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="GooCanvasModelSimple">

<refmeta>

<refentrytitle role="top_of_page">GooCanvasModelSimple</refentrytitle>

<manvolnum>3</manvolnum>

<refmiscinfo>GOOCANVAS Library</refmiscinfo>

</refmeta>

 

<refnamediv>

<refname>GooCanvasModelSimple</refname>

<refpurpose>a simple implementation of the canvas model interface.</refpurpose>

<!--[<xref linkend="desc" endterm="desc.title"/>]-->

</refnamediv>

 

<refsynopsisdiv role="synopsis">

<title role="synopsis.title">Synopsis</title>

 

<synopsis>

 

#include &lt;goocanvas.h&gt;

 

 

            <link linkend="GooCanvasModelSimple-struct">GooCanvasModelSimple</link>;

 

<link linkend="GooCanvasModelSimple">GooCanvasModelSimple</link>* <link linkend="goo-canvas-model-simple-new">goo_canvas_model_simple_new</link>

                                            (void);

 

</synopsis>

</refsynopsisdiv>

 

<refsect1 role="object_hierarchy">

<title role="object_hierarchy.title">Object Hierarchy</title>

<synopsis>

 

  <link linkend="GObject">GObject</link>

   +----GooCanvasModelSimple

</synopsis>

 

</refsect1>

 

 

 

<refsect1 role="impl_interfaces">

<title role="impl_interfaces.title">Implemented Interfaces</title>

<para>

GooCanvasModelSimple implements

 <link linkend="GooCanvasModel">GooCanvasModel</link>.</para>

 

</refsect1>

 

 

 

 

 

<refsect1 role="desc">

<title role="desc.title">Description</title>

<para>

<link linkend="GooCanvasModelSimple"><type>GooCanvasModelSimple</type></link> is a simple implementation of the <link linkend="GooCanvasModel"><type>GooCanvasModel</type></link>

interface.

</para>

<para>

Typically the canvas model is created, items are added, and then the model

is set in the <link linkend="GooCanvasView--"><type>GooCanvasView:</type></link>

</para>

<para>

<informalexample><programlisting>

 GooCanvasModelSimple *canvas_model;

 GooCanvasItem *root, *item;

 

 /&ast; Create a simple model. &ast;/

 canvas_model = goo_canvas_model_simple_new&nbsp;();

 

 /&ast; Get the root item of the model. &ast;/

 root = goo_canvas_model_get_root_item (GOO_CANVAS_MODEL (canvas_model));

 

 /&ast; Create a rectangle item. &ast;/

 item = goo_canvas_rect_new (root, 100, 100, 50, 50, NULL);

 

 /&ast; Pass the model to the GooCanvasView. &ast;/

 goo_canvas_view_set_model (GOO_CANVAS_VIEW (canvas),

                            GOO_CANVAS_MODEL (canvas_model));

  

 /&ast; Unref the model, since the GooCanvasView owns it now. &ast;/

 g_object_unref (canvas_model);

</programlisting></informalexample></para>

<para>

 

</para>

</refsect1>

 

<refsect1 role="details">

<title role="details.title">Details</title>

<refsect2>

<title><anchor id="GooCanvasModelSimple-struct" role="struct"/>GooCanvasModelSimple</title>

<indexterm><primary>GooCanvasModelSimple</primary></indexterm><programlisting>typedef struct _GooCanvasModelSimple GooCanvasModelSimple;</programlisting>

<para>

The <link linkend="GooCanvasModelSimple-struct"><type>GooCanvasModelSimple</type></link> struct contains private data only.</para>

<para>

 

</para></refsect2>

<refsect2>

<title><anchor id="goo-canvas-model-simple-new" role="function"/>goo_canvas_model_simple_new ()</title>

<indexterm><primary>goo_canvas_model_simple_new</primary></indexterm><programlisting><link linkend="GooCanvasModelSimple">GooCanvasModelSimple</link>* goo_canvas_model_simple_new

                                            (void);</programlisting>

<para>

Creates a new simple canvas model.</para>

<para>

 

</para><variablelist role="params">

<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> a new <link linkend="GooCanvasModelSimple"><type>GooCanvasModelSimple</type></link>.

</simpara></listitem></varlistentry>

</variablelist></refsect2>

 

</refsect1>

 

 

 

 

</refentry>