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<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>goocanvas.ItemModel</title><link rel="stylesheet" type="text/css" href="style.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="PyGooCanvas Reference Manual"><link rel="up" href="pygoocanvas-core-classes.html" title="PyGooCanvas Core Class Reference"><link rel="prev" href="class-canvas-item-simple.html" title="goocanvas.ItemSimple"><link rel="next" href="class-canvas-item-model-simple.html" title="goocanvas.ItemModelSimple"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">goocanvas.ItemModel</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="class-canvas-item-simple.html">Prev</a> </td><th width="60%" align="center">PyGooCanvas Core Class Reference</th><td width="20%" align="right"> <a accesskey="n" href="class-canvas-item-model-simple.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="class-canvas-item-model"></a><div class="titlepage"></div><div class="refnamediv"><h2>goocanvas.ItemModel</h2><p>goocanvas.ItemModel — The interface for canvas item models.</p></div><div class="refsect1"><a name="idp46888212616848"></a><h2>Synopsis</h2><table bgcolor="#D0E0F0" width="100%"><tr><td><pre class="classsynopsis">class <span class="ooclass"><span class="classname">goocanvas.ItemModel</span></span>(<span class="ooclass"><span class="classname">gobject.GInterface</span></span>):
<code class="methodsynopsis">    def <span class="methodname">add_child</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>item</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>position</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">allocate_area</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>cr</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>requested_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>allocated_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>x_offset</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>y_offset</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">animate</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>x</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>y</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>scale</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>degrees</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>absolute</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>duration</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>step_time</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>type</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">ensure_updated</span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">find_child</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">get_bounds</span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">get_canvas</span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">get_child</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child_num</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">get_child_properties</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>...</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">get_child_property</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>property</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">get_item_at</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>x</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>y</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cr</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>is_pointer_event</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>parent_is_visible</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">get_model</span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">get_n_children</span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">get_parent</span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">get_requested_area</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>cr</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>requested_area</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">get_style</span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">get_transform</span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">get_simple_transform</span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">is_container</span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">is_visible</span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">lower</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>below</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">move_child</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>old_position</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>new_position</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">paint</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>cr</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>bounds</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>scale</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">raise_</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>above</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">remove</span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">remove_child</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child_num</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">request_update</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child_num</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">rotate</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>degrees</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cx</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cy</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">scale</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>sx</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>sy</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">set_canvas</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>canvas</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">set_child_properties</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>properties</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">set_child_property</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>property</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">set_model</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>model</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">set_parent</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>parent</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">set_simple_transform</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>x</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>y</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>scale</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>rotation</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">set_style</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>style</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">set_transform</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>matrix</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">skew_x</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>degrees</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cx</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cy</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">skew_y</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>degrees</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cx</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cy</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">stop_animation</span><span class="methodname"></span>()</code><br><code class="methodsynopsis">    def <span class="methodname">translate</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>tx</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>ty</code></strong></span></span>)</code><br><code class="methodsynopsis">    def <span class="methodname">update</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>entire_tree</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cr</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>bounds</code></strong></span></span>)</code><br></pre></td></tr></table></div><div class="refsect1"><a name="idp46888212746144"></a><h2>Ancestry</h2><pre class="synopsis">+-- <a
href="../pygobject/class-gobjectginterface.html"
>gobject.GInterface</a>
    +-- goocanvas.ItemModel
</pre></div><div class="refsect1"><a name="properties-goocanvasitemmodel"></a><h2>goocanvas.ItemModel Properties</h2><div class="blockquote"><table width="100%" border="0" bgcolor="#E0E0E0"><tr><td valign="top"><div class="informaltable"><table width="100%" border="0"><colgroup><col width="1in"><col width="1in"><col width="3.5in"></colgroup><tbody><tr valign="top"><td valign="top">"can-focus"</td><td valign="top">Read/Write</td><td valign="top">If the item can take the keyboard focus. Default value: False</td></tr><tr valign="top"><td valign="top">"description"</td><td valign="top">Read/Write</td><td valign="top">A description of the item for use by assistive technologies. Default value: NULL</td></tr><tr valign="top"><td valign="top">"parent"</td><td valign="top">Read/Write</td><td valign="top">The parent item.</td></tr><tr valign="top"><td valign="top">"pointer-events"</td><td valign="top">Read/Write</td><td valign="top">Specifies when the item receives pointer events. Default value:
                                goocanvas.EVENTS_VISIBLE_MASK|goocanvas.EVENTS_PAINTED_MASK|
                                goocanvas.EVENTS_FILL_MASK|goocanvas.EVENTS_STROKE_MASK</td></tr><tr valign="top"><td valign="top">"title"</td><td valign="top">Read/Write</td><td valign="top">A short context-rich description of the item for use by 
                                assistive technologies. Default value: NULL</td></tr><tr valign="top"><td valign="top">"transform"</td><td valign="top">Read/Write</td><td valign="top">The transformation matrix of the item. </td></tr><tr valign="top"><td valign="top">"visibility"</td><td valign="top">Read/Write</td><td valign="top">When the canvas item is visible. Default value: goocanvas.ITEM_VISIBLE.</td></tr><tr valign="top"><td valign="top">"visibility-threshold"</td><td valign="top">Read/Write</td><td valign="top">The scale threshold at which the item becomes visible. 
                                Allowed values: &gt;= 0 Default value: 0</td></tr></tbody></table></div></td></tr></table></div></div><div class="refsect1"><a name="signal-prototypes-goocanvasitemmodel"></a><h2>goocanvas.ItemModel Signal Prototypes</h2><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term">"button-press-event"</span></p></td><td><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></td></tr><tr><td><p><span class="term">"button-release-event"</span></p></td><td><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></td></tr><tr><td><p><span class="term">"child-notify"</span></p></td><td><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>pspec</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></td></tr><tr><td><p><span class="term">"enter-notify-event"</span></p></td><td><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></td></tr><tr><td><p><span class="term">"focus-in-event"</span></p></td><td><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></td></tr><tr><td><p><span class="term">"focus-out-event"</span></p></td><td><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></td></tr><tr><td><p><span class="term">"grab-broken-event"</span></p></td><td><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></td></tr><tr><td><p><span class="term">"key-press-event"</span></p></td><td><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></td></tr><tr><td><p><span class="term">"key-release-event"</span></p></td><td><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></td></tr><tr><td><p><span class="term">"leave-notify-event"</span></p></td><td><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></td></tr><tr><td><p><span class="term">"motion-notify-event"</span></p></td><td><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></td></tr></tbody></table></div><div class="refsect1"><a name="idp46888212837520"></a><h2>Known Implementation</h2><p>
            <code class="classname">goocanvas.ItemModel</code>
            is implementated by 
            <code class="classname">goocanvas.Rect</code>,
            <code class="classname">goocanvas.Ellipse</code>,
            <code class="classname">goocanvas.Path</code>,
            <code class="classname">goocanvas.Polyline</code>,
            <code class="classname">goocanvas.Text</code>,
            <code class="classname">goocanvas.Image</code>,
            <code class="classname">goocanvas.Group</code>,
            <code class="classname">goocanvas.Widget</code>,
            <code class="classname">goocanvas.Table</code>,
            <code class="classname">goocanvas.ItemModelSimple</code>
        </p></div><div class="refsect1"><a name="idp46888212848256"></a><h2>Description</h2><code class="classname">goocanvas.ItemModel</code> 
            defines the interface that canvas items must implement, and contains methods for operating on canvas items.
    </div><div class="refsect1"><a name="idp46888212850112"></a><h2>Methods</h2><div class="refsect2"><a name="method-goocanvasitemmodel--add-child"></a><h3>goocanvas.ItemModel.add_child</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">add_child</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>item</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>position</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>item</code></strong>:</span></p></td><td>The item to add.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>position</code></strong>:</span></p></td><td>the position of the item, or -1 to place it 
                            last (at the top of the stacking order).</td></tr></tbody></table><p>
                Adds a child item to a container item at the given stack position.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--allocate-area"></a><h3>goocanvas.ItemModel.allocate_area</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">allocate_area</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>cr</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>requested_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>allocated_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>x_offset</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>y_offset</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>cr</code></strong>:</span></p></td><td>A cairo context.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>requested_area</code></strong>:</span></p></td><td>The area that the item originally requested, in the parent's coordinate space.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>allocated_area</code></strong>:</span></p></td><td>The area that the item has been allocated, in the parent's coordinate space.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>x_offset</code></strong>:</span></p></td><td>The x offset of the allocated area from the requested area in
                                       the device coordinate space.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>y_offset</code></strong>:</span></p></td><td>The y offset of the allocated area from the requested area in
                                       the device coordinate space.</td></tr></tbody></table><p>
                This is used by <code class="classname">goocanvas.Table</code>
                and other layout items to allocate an area to each of their children.
            </p><p>
                Note that the parent item will use a transform to move each of its children for the layout,
                so their is no need for the item to reposition itself. It only needs to recalculate its device bounds.
            </p><p>
                The x_offset and y_offset are provided since for the simple builtin items all they need
                to do is add these to their bounds.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--animate"></a><h3>goocanvas.ItemModel.animate</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">animate</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>x</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>y</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>scale</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>degrees</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>absolute</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>duration</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>step_time</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>type</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>x</code></strong>:</span></p></td><td>the final x offset from the current position.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>y</code></strong>:</span></p></td><td>the final y offset from the current position.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>scale</code></strong>:</span></p></td><td>the final scale of the item.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>degrees</code></strong>:</span></p></td><td>the final rotation of the item.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>absolute</code></strong>:</span></p></td><td>if the x, y, scale and degrees values are absolute, or relative to the
                    current transform. Note that absolute animations only work if the item currently has a simple transform.
                    If the item has a shear or some other complicated transform it may result in strange animations.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>duration</code></strong>:</span></p></td><td>the duration of the animation, in milliseconds 
                            (1/1000ths of a second).</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>step_time</code></strong>:</span></p></td><td>the time between each animation step, in milliseconds.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>type</code></strong>:</span></p></td><td>specifies what happens when the animation finishes.</td></tr></tbody></table><p>
                Animates an item from its current position to the given offsets, scale and rotation.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--ensure-updated"></a><h3>goocanvas.ItemModel.ensure_updated</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">ensure_updated</span>(<span class="methodparam"></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody></tbody></table><p>
                Updates the canvas immediately, if an update is scheduled. This ensures that all item bounds are up-to-date.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--find-child"></a><h3>goocanvas.ItemModel.find_child</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">find_child</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>child</code></strong>:</span></p></td><td>the child item to find.</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>The position of the given child item, or -1 if it isn't found.</td></tr></tbody></table><p>
                Attempts to find the given child item with the container's stack.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--get-bounds"></a><h3>goocanvas.ItemModel.get_bounds</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">get_bounds</span>()</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>A tuple containing the four coordinates.</td></tr></tbody></table><p>
                Gets the bounds of the item.
                Note that the bounds includes the entire fill and stroke extents of the item,
                whether they are painted or not.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--get-canvas"></a><h3>goocanvas.ItemModel.get_canvas</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">get_canvas</span>()</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>The
                    <code class="classname">goocanvas.Canvas</code></td></tr></tbody></table><p>
                Returns the <code class="classname">goocanvas.Canvas</code>
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--get-child"></a><h3>goocanvas.ItemModel.get_child</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">get_child</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child_num</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>child_num</code></strong>:</span></p></td><td>the position of a child in the container's stack.</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>The child item at the given stack position.</td></tr></tbody></table><p>
                Gets the child item at the given stack position.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--get-child-properties"></a><h3>goocanvas.ItemModel.get_child_properties</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">get_child_properties</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>properties</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>child</code></strong>:</span></p></td><td>a child
                    <code class="classname">goocanvas.ItemModel</code>
                    </td></tr><tr><td><p><span class="term"><strong class="parameter"><code>properties</code></strong>:</span></p></td><td>property names as string</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>A tuple containing the property values.</td></tr></tbody></table><p>
                Gets the values of one or more child properties of child.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--get-child-property"></a><h3>goocanvas.ItemModel.get_child_property</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">get_child_property</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>property</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>child</code></strong>:</span></p></td><td>a child
                    <code class="classname">goocanvas.ItemModel</code>
                    </td></tr><tr><td><p><span class="term"><strong class="parameter"><code>property</code></strong>:</span></p></td><td>property name as string</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>The property value.</td></tr></tbody></table><p>
                Gets the value of the property of child.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--get-item-at"></a><h3>goocanvas.ItemModel.get_item_at</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">get_item_at</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>x</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>y</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cr</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>is_pointer_event</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>parent_is_visible</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>x</code></strong>:</span></p></td><td>The x coordinate of the point.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>y</code></strong>:</span></p></td><td>The y coordinate of the point.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>cr</code></strong>:</span></p></td><td>A cairo context.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>is_pointer_event</code></strong>:</span></p></td><td>True if the "pointer-events" properties of items should be used
                                       to determine which parts of the item are tested.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>parent_is_visible</code></strong>:</span></p></td><td>True if the parent item is visible (which implies that all ancestors
                                       are also visible).</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>The item found at the given point, or None if no item was found.</td></tr></tbody></table><p>
                Gets the item at the given point.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--get-model"></a><h3>goocanvas.ItemModel.get_model</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">get_model</span>()</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>the canvas model, or None of 
                            the item isn't in a model.</td></tr></tbody></table><p>
                Gets the model of the canvas item.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--get-n-children"></a><h3>goocanvas.ItemModel.get_n_children</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">get_n_children</span>()</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>The number of children.</td></tr></tbody></table><p>
                Gets the number of children of the container.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--get-parent"></a><h3>goocanvas.ItemModel.get_parent</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">get_parent</span>()</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>The parent item, or None if the 
                            item has no parent.</td></tr></tbody></table><p>
                Gets the parent of the given item.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--get-requested-area"></a><h3>goocanvas.ItemModel.get_requested_area</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">get_requested_area</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>cr</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>requested_area</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>cr</code></strong>:</span></p></td><td>A cairo context.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>requested_area</code></strong>:</span></p></td><td>A GooCanvasBounds to return the requested area in, in the
                                       parent's coordinate space.</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>True if the item should be allocated space.</td></tr></tbody></table><p>
                This is used by GooCanvasTable and other layout items to get the requested area of each of their children.
            </p><p>
                FIXME: This method is currently broken, it needs to be manually wrapped returning the bounds instead of True/False.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--get-style"></a><h3>goocanvas.ItemModel.get_style</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">get_style</span>()</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>The item's style.</td></tr></tbody></table><p>
                Gets the item's style. If the item doesn't have its own style it will return its parent's style.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--get-simple-transform"></a><h3>goocanvas.ItemModel.get_simple_transform</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">get_simple_transform</span>()</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>A 4 item tuple containing the item's x, y, scale and rotation.</td></tr></tbody></table><p>
                This function can be used to get the position, scale and rotation of an item, providing that
                the item has a simple transformation matrix (e.g. set with
                <code class="methodname">goocanvas.ItemModel.set_simple_transform</code>(),
                or using a combination of simple translate, scale and rotate operations).
                If the item has a complex transformation matrix the results will be incorrect.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--get-transform"></a><h3>goocanvas.ItemModel.get_transform</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">get_transform</span>()</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>The item's transformation matrix.</td></tr></tbody></table><p>
                Gets the transformation matrix of an item.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--is-container"></a><h3>goocanvas.ItemModel.is_container</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">is_container</span>()</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>True if the item is a container.</td></tr></tbody></table><p>
                Tests to see if the given item is a container.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--is-visible"></a><h3>goocanvas.ItemModel.is_visible</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">is_visible</span>()</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>True if the item is visible.</td></tr></tbody></table><p>
                Tests to see if the given item is visible.
            </p><p>
                This entails checking the item's own visibility setting, as well as those of its ancestors.
            </p><p>
                Note that the item may be scrolled off the screen and so may not be actually visible to the user.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--lower"></a><h3>goocanvas.ItemModel.lower</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">lower</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>below</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>below</code></strong>:</span></p></td><td>the item to lower item below, 
                            or None to lower item to the bottom of the stack.</td></tr></tbody></table><p>
                Lowers an item in the stacking order.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--move-child"></a><h3>goocanvas.ItemModel.move_child</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">move_child</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>old_position</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>new_position</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>old_position</code></strong>:</span></p></td><td>the current position of the child item.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>new_position</code></strong>:</span></p></td><td>the new position of the child item.</td></tr></tbody></table><p>
                Moves a child item to a new stack position within the container.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--paint"></a><h3>goocanvas.ItemModel.paint</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">paint</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>cr</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>bounds</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>scale</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>cr</code></strong>:</span></p></td><td>A cairo context.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>bounds</code></strong>:</span></p></td><td>The bounds that need to be repainted.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>scale</code></strong>:</span></p></td><td>the scale to use to determine whether an item should be painted.
                    See visibility-thresold</td></tr></tbody></table><p>
                Moves a child item to a new stack position within the container.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--raise-"></a><h3>goocanvas.ItemModel.raise_</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">raise_</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>above</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>above</code></strong>:</span></p></td><td>the item to raise item above, or 
                            NULL to raise item to the top of the stack.</td></tr></tbody></table><p>
                Raises an item in the stacking order.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--remove"></a><h3>goocanvas.ItemModel.remove</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">remove</span>(<span class="methodparam"></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody></tbody></table><p>
                Removes a model from its parent. If the model is in a canvas it will be removed.
            </p><p>
                This would normally also result in the model being freed.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--remove-child"></a><h3>goocanvas.ItemModel.remove_child</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">remove_child</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child_num</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>child_num</code></strong>:</span></p></td><td>the position of the child item to remove.</td></tr></tbody></table><p>
                Removes the child item at the given position.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--request-update"></a><h3>goocanvas.ItemModel.request_update</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">request_update</span>()</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody></tbody></table><p>
                Requests that an update of the item is scheduled. It will be performed
                as soon as the application is idle, and before the canvas is redrawn.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--rotate"></a><h3>goocanvas.ItemModel.rotate</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">rotate</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>degrees</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cx</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cy</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>degrees</code></strong>:</span></p></td><td>the clockwise angle of rotation.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>cx</code></strong>:</span></p></td><td>the x coordinate of the origin of the rotation.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>cy</code></strong>:</span></p></td><td>the y coordinate of the origin of the rotation.</td></tr></tbody></table><p>
                Rotates the item's coordinate system by the given amount, about the given origin.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--scale"></a><h3>goocanvas.ItemModel.scale</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">scale</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>sx</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>sy</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>sx</code></strong>:</span></p></td><td>the amount to scale the horizontal axis.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>sy</code></strong>:</span></p></td><td>the amount to scale the vertical axis.</td></tr></tbody></table><p>
                Scales the item's coordinate system by the given amounts.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--set-canvas"></a><h3>goocanvas.ItemModel.set_canvas</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">set_canvas</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>canvas</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>canvas</code></strong>:</span></p></td><td>A goocanvas.Canvas</td></tr></tbody></table><p>
                Sets the canvas of the item.
            </p><p>
                This is only needed for setting the canvas of the root item, as the other items can
                get the canvas from their parents.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--set-child-properties"></a><h3>goocanvas.ItemModel.set_child_properties</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">set_child_properties</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>properties</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>childs</code></strong>:</span></p></td><td>A child goocanvas.ItemModel</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>properties</code></strong>:</span></p></td><td>The properties to set as **kwargs</td></tr></tbody></table><p>
                Sets the values of one or more child properties of child.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--set-child-property"></a><h3>goocanvas.ItemModel.set_child_property</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">set_child_property</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>child</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>property</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>child</code></strong>:</span></p></td><td>A child goocanvas.ItemModel</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>property</code></strong>:</span></p></td><td>The property to set as string</td></tr></tbody></table><p>
                Sets a child property of child.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--set-model"></a><h3>goocanvas.ItemModel.set_model</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">set_model</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>model</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>model</code></strong>:</span></p></td><td>A goocanvas.ItemModelModel</td></tr></tbody></table><p>
                Sets the model of the given canvas item.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--set-parent"></a><h3>goocanvas.ItemModel.set_parent</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">set_parent</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>parent</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>parent</code></strong>:</span></p></td><td>the new parent item.</td></tr></tbody></table><p>
                This function is only intended to be used when implementing new canvas item models
                (specifically container models such as
                goocanvas.GroupModel).
                It sets the parent of the child model. 
            </p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3>
                This function cannot be used to add a model to a group or to change the parent of a model.
                To do that use the "parent" property.
            </div></div><div class="refsect2"><a name="method-goocanvasitemmodel--set-simple-transform"></a><h3>goocanvas.ItemModel.set_simple_transform</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">set_simple_transform</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>x</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>y</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>scale</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>rotation</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>x</code></strong>:</span></p></td><td>The x coordinate of the origin of the item's coordinate space.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>y</code></strong>:</span></p></td><td>The x coordinate of the origin of the item's coordinate space.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>scale</code></strong>:</span></p></td><td>The scale of the item.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>rotation</code></strong>:</span></p></td><td>The clockwise rotation of the item, in degrees.</td></tr></tbody></table><p>
                A convenience function to set the item's transformation matrix.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--set-style"></a><h3>goocanvas.ItemModel.set_style</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">set_style</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>style</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>style</code></strong>:</span></p></td><td>A goocanvas.Style</td></tr></tbody></table><p>
                Sets the item's style, by copying the properties from the given style.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--set-transform"></a><h3>goocanvas.ItemModel.set_transform</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">set_transform</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>matrix</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>matrix</code></strong>:</span></p></td><td>the new transformation matrix, or None to reset 
                            the transformation to the identity matrix.</td></tr></tbody></table><p>
                Sets the transformation matrix of an item.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--skew-x"></a><h3>goocanvas.ItemModel.skew_x</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">skew_x</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>degrees</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cx</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cy</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>degrees</code></strong>:</span></p></td><td>the skew angle.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>cx</code></strong>:</span></p></td><td>the x coordinate of the origin of the skew transform.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>cy</code></strong>:</span></p></td><td>the y coordinate of the origin of the skew transform.</td></tr></tbody></table><p>
                Skews the item's coordinate system along the x axis by the given amount, about the given origin.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--skew-y"></a><h3>goocanvas.ItemModel.skew_y</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">skew_y</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>degrees</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cx</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cy</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>degrees</code></strong>:</span></p></td><td>the skew angle.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>cx</code></strong>:</span></p></td><td>the x coordinate of the origin of the skew transform.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>cy</code></strong>:</span></p></td><td>the y coordinate of the origin of the skew transform.</td></tr></tbody></table><p>
                Skews the item's coordinate system along the y axis by the given amount, about the given origin.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--stop-animation"></a><h3>goocanvas.ItemModel.stop_animation</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">stop_animation</span>()</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody></tbody></table><p>
                Stops any current animation for the given item, leaving it at its current position.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--translate"></a><h3>goocanvas.ItemModel.translate</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">translate</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>tx</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>ty</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>tx</code></strong>:</span></p></td><td>the amount to move the origin in the horizontal direction.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>ty</code></strong>:</span></p></td><td>the amount to move the origin in the vertical direction.</td></tr></tbody></table><p>
                Translates the origin of the item's coordinate system by the given amounts.
            </p></div><div class="refsect2"><a name="method-goocanvasitemmodel--update"></a><h3>goocanvas.ItemModel.update</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">update</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>entire_tree</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cr</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>bounds</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>entire_tree</code></strong>:</span></p></td><td>If the entire subtree should be updated.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>cr</code></strong>:</span></p></td><td>A cairo context.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>bounds</code></strong>:</span></p></td><td>A GooCanvasBounds to return the new bounds in.</td></tr></tbody></table><p>
                Updates the item, if needed, and any children.
            </p></div></div><div class="refsect1"><a name="idp46888213240576"></a><h2>Signals</h2><div class="refsect2"><a name="signal-goocanvasitemmodel--button-press-event"></a><h3>The "button-press-events" goocanvas.ItemModel Signal</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>item</code></em>:</span></p></td><td>
                            The <code class="classname">goocanvas.ItemModel</code> 
                            that received the signal.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>target_item</code></em>:</span></p></td><td>
                            The target of the event.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>event</code></em>:</span></p></td><td>
                            The event data, with coordinates translated to canvas coordinates.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param</code></em>:</span></p></td><td>the first user parameter (if any) specified
                            with the <a
href="../pygobject/class-gobject.html#method-gobject--connect"
><code class="methodname">connect</code>()</a>
                            method
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>...</code></em>:</span></p></td><td>additional user parameters (if any)</td></tr></tbody></table><p>
                The "button-press-event" signal is emitted when a mouse button is pressed in an item.
            </p></div><div class="refsect2"><a name="signal-goocanvasitemmodel--button-release-event"></a><h3>The "button-press-events" goocanvas.ItemModel Signal</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>item</code></em>:</span></p></td><td>
                            The <code class="classname">goocanvas.ItemModel</code> 
                            that received the signal.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>target_item</code></em>:</span></p></td><td>
                            The target of the event.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>event</code></em>:</span></p></td><td>
                            The event data, with coordinates translated to canvas coordinates.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param</code></em>:</span></p></td><td>the first user parameter (if any) specified
                            with the <a
href="../pygobject/class-gobject.html#method-gobject--connect"
><code class="methodname">connect</code>()</a>
                            method
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>...</code></em>:</span></p></td><td>additional user parameters (if any)</td></tr></tbody></table><p>
                The "button-release-event" signal is emitted when a mouse button is released in an item.
            </p></div><div class="refsect2"><a name="signal-goocanvasitemmodel--child-notify"></a><h3>The "child-notify" goocanvas.ItemModel Signal</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>pspec</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>item</code></em>:</span></p></td><td>
                            The <code class="classname">goocanvas.ItemModel</code> 
                            that received the signal.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>pspec</code></em>:</span></p></td><td>The GParamSpec of the changed child property.</td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param</code></em>:</span></p></td><td>the first user parameter (if any) specified
                            with the <a
href="../pygobject/class-gobject.html#method-gobject--connect"
><code class="methodname">connect</code>()</a>
                            method
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>...</code></em>:</span></p></td><td>additional user parameters (if any)</td></tr></tbody></table><p>
                The "child-notify" signal is emitted for each child property that has changed.
                The signal's detail holds the property name.
            </p></div><div class="refsect2"><a name="signal-goocanvasitemmodel--enter-notify-event"></a><h3>The "enter-notify-events" goocanvas.ItemModel Signal</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>item</code></em>:</span></p></td><td>
                            The <code class="classname">goocanvas.ItemModel</code> 
                            that received the signal.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>target_item</code></em>:</span></p></td><td>
                            The target of the event.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>event</code></em>:</span></p></td><td>
                            The event data, with coordinates translated to canvas coordinates.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param</code></em>:</span></p></td><td>the first user parameter (if any) specified
                            with the <a
href="../pygobject/class-gobject.html#method-gobject--connect"
><code class="methodname">connect</code>()</a>
                            method
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>...</code></em>:</span></p></td><td>additional user parameters (if any)</td></tr><tr><td><p><span class="term"><em class="parameter"><code>Returns</code></em>:</span></p></td><td>True to stop the signal emission, or False to let it continue.</td></tr></tbody></table><p>
                The "enter-notify-event" signal is emitted when the mouse enters an item.
            </p></div><div class="refsect2"><a name="signal-goocanvasitemmodel--focus-in-event"></a><h3>The "focus-in-event" goocanvas.ItemModel Signal</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>item</code></em>:</span></p></td><td>
                            The <code class="classname">goocanvas.ItemModel</code> 
                            that received the signal.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>target_item</code></em>:</span></p></td><td>
                            The target of the event.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>event</code></em>:</span></p></td><td>
                            The event data, with coordinates translated to canvas coordinates.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param</code></em>:</span></p></td><td>the first user parameter (if any) specified
                            with the <a
href="../pygobject/class-gobject.html#method-gobject--connect"
><code class="methodname">connect</code>()</a>
                            method
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>...</code></em>:</span></p></td><td>additional user parameters (if any)</td></tr><tr><td><p><span class="term"><em class="parameter"><code>Returns</code></em>:</span></p></td><td>True to stop the signal emission, or False to let it continue.</td></tr></tbody></table><p>
                The "focus-in-event" signal is emitted when the item receives the keyboard focus.
            </p></div><div class="refsect2"><a name="signal-goocanvasitemmodel--focus-out-event"></a><h3>The "focus-out-event" goocanvas.ItemModel Signal</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>item</code></em>:</span></p></td><td>
                            The <code class="classname">goocanvas.ItemModel</code> 
                            that received the signal.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>target_item</code></em>:</span></p></td><td>
                            The target of the event.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>event</code></em>:</span></p></td><td>
                            The event data, with coordinates translated to canvas coordinates.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param</code></em>:</span></p></td><td>the first user parameter (if any) specified
                            with the <a
href="../pygobject/class-gobject.html#method-gobject--connect"
><code class="methodname">connect</code>()</a>
                            method
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>...</code></em>:</span></p></td><td>additional user parameters (if any)</td></tr><tr><td><p><span class="term"><em class="parameter"><code>Returns</code></em>:</span></p></td><td>True to stop the signal emission, or False to let it continue.</td></tr></tbody></table><p>
                The "focus-out-event" signal is emitted when the item loses the keyboard focus.
            </p></div><div class="refsect2"><a name="signal-goocanvasitemmodel--grab-broken-event"></a><h3>The "grab-broken-event" goocanvas.ItemModel Signal</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>item</code></em>:</span></p></td><td>
                            The <code class="classname">goocanvas.ItemModel</code> 
                            that received the signal.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>target_item</code></em>:</span></p></td><td>
                            The target of the event.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>event</code></em>:</span></p></td><td>
                            The event data, with coordinates translated to canvas coordinates.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param</code></em>:</span></p></td><td>the first user parameter (if any) specified
                            with the <a
href="../pygobject/class-gobject.html#method-gobject--connect"
><code class="methodname">connect</code>()</a>
                            method
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>...</code></em>:</span></p></td><td>additional user parameters (if any)</td></tr><tr><td><p><span class="term"><em class="parameter"><code>Returns</code></em>:</span></p></td><td>True to stop the signal emission, or False to let it continue.</td></tr></tbody></table><p>
                The "grab-broken-event" signal is emitted when the item's keyboard or pointer grab was lost unexpectedly.
            </p></div><div class="refsect2"><a name="signal-goocanvasitemmodel--key-press-event"></a><h3>The "key-press-event" goocanvas.ItemModel Signal</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>item</code></em>:</span></p></td><td>
                            The <code class="classname">goocanvas.ItemModel</code> 
                            that received the signal.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>target_item</code></em>:</span></p></td><td>
                            The target of the event.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>event</code></em>:</span></p></td><td>
                            The event data, with coordinates translated to canvas coordinates.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param</code></em>:</span></p></td><td>the first user parameter (if any) specified
                            with the <a
href="../pygobject/class-gobject.html#method-gobject--connect"
><code class="methodname">connect</code>()</a>
                            method
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>...</code></em>:</span></p></td><td>additional user parameters (if any)</td></tr><tr><td><p><span class="term"><em class="parameter"><code>Returns</code></em>:</span></p></td><td>True to stop the signal emission, or False to let it continue.</td></tr></tbody></table><p>
                The "key-press-event" signal is emitted when a key is pressed and the item has the keyboard focus.
            </p></div><div class="refsect2"><a name="signal-goocanvasitemmodel--key-release-event"></a><h3>The "key-release-event" goocanvas.ItemModel Signal</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>item</code></em>:</span></p></td><td>
                            The <code class="classname">goocanvas.ItemModel</code> 
                            that received the signal.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>target_item</code></em>:</span></p></td><td>
                            The target of the event.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>event</code></em>:</span></p></td><td>
                            The event data, with coordinates translated to canvas coordinates.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param</code></em>:</span></p></td><td>the first user parameter (if any) specified
                            with the <a
href="../pygobject/class-gobject.html#method-gobject--connect"
><code class="methodname">connect</code>()</a>
                            method
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>...</code></em>:</span></p></td><td>additional user parameters (if any)</td></tr><tr><td><p><span class="term"><em class="parameter"><code>Returns</code></em>:</span></p></td><td>True to stop the signal emission, or False to let it continue.</td></tr></tbody></table><p>
                The "key-release-event" signal is emitted when a key is released and the item has the keyboard focus.
            </p></div><div class="refsect2"><a name="signal-goocanvasitemmodel--leave-notify-event"></a><h3>The "leave-notify-event" goocanvas.ItemModel Signal</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>item</code></em>:</span></p></td><td>
                            The <code class="classname">goocanvas.ItemModel</code> 
                            that received the signal.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>target_item</code></em>:</span></p></td><td>
                            The target of the event.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>event</code></em>:</span></p></td><td>
                            The event data, with coordinates translated to canvas coordinates.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param</code></em>:</span></p></td><td>the first user parameter (if any) specified
                            with the <a
href="../pygobject/class-gobject.html#method-gobject--connect"
><code class="methodname">connect</code>()</a>
                            method
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>...</code></em>:</span></p></td><td>additional user parameters (if any)</td></tr><tr><td><p><span class="term"><em class="parameter"><code>Returns</code></em>:</span></p></td><td>True to stop the signal emission, or False to let it continue.</td></tr></tbody></table><p>
                The "leave-notify-event" signal is emitted when the mouse leaves an item.
            </p></div><div class="refsect2"><a name="signal-goocanvasitemmodel--motion-notify-event"></a><h3>The "motion-notify-event" goocanvas.ItemModel Signal</h3><pre class="programlisting"><code class="methodsynopsis">    def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>target_item</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>event</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>item</code></em>:</span></p></td><td>
                            The <code class="classname">goocanvas.ItemModel</code> 
                            that received the signal.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>target_item</code></em>:</span></p></td><td>
                            The target of the event.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>event</code></em>:</span></p></td><td>
                            The event data, with coordinates translated to canvas coordinates.
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param</code></em>:</span></p></td><td>the first user parameter (if any) specified
                            with the <a
href="../pygobject/class-gobject.html#method-gobject--connect"
><code class="methodname">connect</code>()</a>
                            method
                        </td></tr><tr><td><p><span class="term"><em class="parameter"><code>...</code></em>:</span></p></td><td>additional user parameters (if any)</td></tr><tr><td><p><span class="term"><em class="parameter"><code>Returns</code></em>:</span></p></td><td>True to stop the signal emission, or False to let it continue.</td></tr></tbody></table><p>
                The "motion-notify-event" signal is emitted when the mouse moves within an item.
            </p></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="class-canvas-item-simple.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="pygoocanvas-core-classes.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="class-canvas-item-model-simple.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">goocanvas.ItemSimple </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> goocanvas.ItemModelSimple</td></tr></table></div></body></html>

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