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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | <html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>goocanvas.Widget</title><link rel="stylesheet" type="text/css" href="style.css"><meta name="generator" content="DocBook XSL Stylesheets V1.79.1"><link rel="home" href="index.html" title="PyGooCanvas Reference Manual"><link rel="up" href="pygoocanvas-std-items.html" title="PyGooCanvas Standard Canvas Items Reference"><link rel="prev" href="class-canvas-table.html" title="goocanvas.Table"><link rel="next" href="pygoocanvas-model-items.html" title="PyGooCanvas Canvas Item Models Reference"></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.Widget</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="class-canvas-table.html">Prev</a> </td><th width="60%" align="center">PyGooCanvas Standard Canvas Items Reference</th><td width="20%" align="right"> <a accesskey="n" href="pygoocanvas-model-items.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="class-canvas-widget"></a><div class="titlepage"></div><div class="refnamediv"><h2>goocanvas.Widget</h2><p>goocanvas.Widget — An embedded widget item.</p></div><div class="refsect1"><a name="idm7478"></a><h2>Synopsis</h2><table bgcolor="#D0E0F0" width="100%"><tr><td><pre class="classsynopsis">class <span class="ooclass"><span class="classname">goocanvas.Widget</span></span>(<span class="ooclass"><span class="classname">goocanvas.ItemSimple</span></span>):
<code class="constructorsynopsis"> <span class="methodname"><a class="link" href="class-canvas-widget.html#constructor-canvas-widget" title="Constructor">goocanvas.Widget</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>properties</code></strong></span><span class="initializer">=None</span></span>)</code><br></pre></td></tr></table></div><div class="refsect1"><a name="idm7491"></a><h2>Ancestry</h2><pre class="synopsis">+-- <a
href="../pygobject/class-gobject.html"
>gobject.GObject</a>
+-- <a class="link" href="class-canvas-item-simple.html" title="goocanvas.ItemSimple">goocanvas.ItemSimple</a>
+-- <a class="link" href="class-canvas-widget.html" title="goocanvas.Widget">goocanvas.Widget</a>
</pre></div><div class="refsect1"><a name="properties-goocanvaswidget"></a><h2>goocanvas.Widget Properties</h2><div class="blockquote"><table width="100%" border="0" bgcolor="#E0E0E0"><tr><td valign="top"><div class="informaltable"><table class="informaltable" width="100%" border="0"><colgroup><col width="1in"><col width="1in"><col width="3.5in"></colgroup><tbody><tr valign="top"><td valign="top">"anchor"</td><td valign="top">Read/Write</td><td valign="top">How to position the widget relative to the item's x and y coordinate settings.
Default value: gtk.ANCHOR_NORTH_WEST</td></tr><tr valign="top"><td valign="top">"height"</td><td valign="top">Read/Write</td><td valign="top">The height of the widget, or -1 to use its requested height. Default value: -1</td></tr><tr valign="top"><td valign="top">"widget"</td><td valign="top">Read/Write</td><td valign="top">The widget to place in the canvas.</td></tr><tr valign="top"><td valign="top">"width"</td><td valign="top">Read/Write</td><td valign="top">The width of the widget, or -1 to use its requested width. Default value: -1</td></tr><tr valign="top"><td valign="top">"x"</td><td valign="top">Read/Write</td><td valign="top">The x coordinate of the widget. Default value: 0</td></tr><tr valign="top"><td valign="top">"y"</td><td valign="top">Read/Write</td><td valign="top">he y coordinate of the widget. Default value: 0</td></tr></tbody></table></div></td></tr></table></div></div><div class="refsect1"><a name="idm7530"></a><h2>Implemented Interfaces</h2><p>
<a class="link" href="class-canvas-widget.html" title="goocanvas.Widget"><code class="classname">goocanvas.Widget</code></a>
implements
<a class="link" href="class-canvas-item.html" title="goocanvas.Item"><code class="classname">goocanvas.Item</code></a>
</p></div><div class="refsect1"><a name="idm7537"></a><h2>Description</h2><a class="link" href="class-canvas-widget.html" title="goocanvas.Widget"><code class="classname">goocanvas.Widget</code></a>
provides support for placing any GtkWidget in the canvas.
Note that there are a number of limitations in the use of GooCanvasWidget:
It doesn't support any transformation besides simple translation. This means you can't scale a canvas with a GooCanvasWidget in it.
It doesn't support layering, so you can't place other items beneath or above the GooCanvasWidget.
It doesn't support rendering of widgets to a given cairo_t, which means you can't output the widget to a pdf or postscript file.
It doesn't have a model/view variant like the other standard items, so it can only be used in a simple canvas without a model.
</div><div class="refsect1"><a name="constructor-canvas-widget"></a><h2>Constructor</h2><pre class="programlisting"><code class="constructorsynopsis"> <span class="methodname">goocanvas.Widget</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>properties</code></strong></span><span class="initializer">=None</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>properties</code></strong> :</span></p></td><td>A comma separated properties as **kwargs.</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>A new
<a class="link" href="class-canvas-widget.html" title="goocanvas.Widget"><code class="classname">goocanvas.Widget</code></a>
</td></tr></tbody></table><p>
Creates a new canvas widget item.
</p><p>
Here's an example showing how to create an entry widget centered at (100.0, 100.0):
</p><pre class="programlisting">
entry = gtk.Entry()
ellipse = goocanvas.Widget(parent = root,
widget = entry,
x = 100,
y = 100,
width = -1,
height = -1,
anchor = gtk.ANCHOR_CENTER)
</pre></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="class-canvas-table.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="pygoocanvas-std-items.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="pygoocanvas-model-items.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">goocanvas.Table </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> PyGooCanvas Canvas Item Models Reference</td></tr></table></div></body></html>
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