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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 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | <html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>gtk.CellRenderer</title><link rel="stylesheet" href="style.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.75.2"><link rel="home" href="index.html" title="PyGTK 2.0 Reference Manual"><link rel="up" href="gtk-class-reference.html" title="The gtk Class Reference"><link rel="prev" href="class-gtkcelllayout.html" title="gtk.CellLayout"><link rel="next" href="class-gtkcellrendereraccel.html" title="gtk.CellRendererAccel"></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">gtk.CellRenderer</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="class-gtkcelllayout.html">Prev</a> </td><th width="60%" align="center">The gtk Class Reference</th><td width="20%" align="right"> <a accesskey="n" href="class-gtkcellrendereraccel.html">Next</a></td></tr></table><hr></div><div class="refentry" title="gtk.CellRenderer"><a name="class-gtkcellrenderer"></a><div class="titlepage"></div><div class="refnamediv"><h2>gtk.CellRenderer</h2><p>gtk.CellRenderer — a base class for objects that render on a <a class="link" href="class-gdkdrawable.html" title="gtk.gdk.Drawable"><code class="classname">gtk.gdk.Drawable</code></a></p></div><div class="refsect1" title="Synopsis"><a name="id3628485"></a><h2>Synopsis</h2><table bgcolor="#D0E0F0" width="100%"><tr><td><pre class="classsynopsis">class <span class="ooclass"><span class="classname">gtk.CellRenderer</span></span>(<span class="ooclass"><span class="classname"><a class="link" href="class-gtkobject.html" title="gtk.Object">gtk.Object</a></span></span>):
<code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--get-size" title="gtk.CellRenderer.get_size">get_size</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>widget</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cell_area</code></strong></span><span class="initializer">=None</span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--render" title="gtk.CellRenderer.render">render</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>window</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>widget</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>background_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cell_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>expose_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>flags</code></strong></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--activate" title="gtk.CellRenderer.activate">activate</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>event</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>widget</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>path</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>background_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cell_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>flags</code></strong></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--start-editing" title="gtk.CellRenderer.start_editing">start_editing</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>event</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>widget</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>path</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>background_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cell_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>flags</code></strong></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--editing-canceled" title="gtk.CellRenderer.editing_canceled">editing_canceled</a></span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--stop-editing" title="gtk.CellRenderer.stop_editing">stop_editing</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>canceled</code></strong></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--set-fixed-size" title="gtk.CellRenderer.set_fixed_size">set_fixed_size</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>width</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>height</code></strong></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--get-fixed-size" title="gtk.CellRenderer.get_fixed_size">get_fixed_size</a></span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--set-visible" title="gtk.CellRenderer.set_visible">set_visible</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>visible</code></strong></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--get-visible" title="gtk.CellRenderer.get_visible">get_visible</a></span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--set-sensitive" title="gtk.CellRenderer.set_sensitive">set_sensitive</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>sensitive</code></strong></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--get-sensitive" title="gtk.CellRenderer.get_sensitive">get_sensitive</a></span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--set-alignment" title="gtk.CellRenderer.set_alignment">set_alignment</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>xalign</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>yalign</code></strong></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--get-alignment" title="gtk.CellRenderer.get_alignment">get_alignment</a></span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--set-padding" title="gtk.CellRenderer.set_padding">set_padding</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>xpad</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>ypad</code></strong></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--get-padding" title="gtk.CellRenderer.get_padding">get_padding</a></span>(<span class="methodparam"></span>)</code><br></pre></td></tr></table></div><div class="refsect1" title="Ancestry"><a name="id3629088"></a><h2>Ancestry</h2><pre class="synopsis">+-- <PYGTKDOCLINK HREF="class-gobject">gobject.GObject</PYGTKDOCLINK>
+-- <a class="link" href="class-gtkobject.html" title="gtk.Object">gtk.Object</a>
+-- <a class="link" href="class-gtkcellrenderer.html" title="gtk.CellRenderer">gtk.CellRenderer</a>
</pre></div><div class="refsect1" title="gtk.CellRenderer Properties"><a name="properties-gtkcellrenderer"></a><h2>gtk.CellRenderer Properties</h2><p><a class="link" href="class-gtkobject.html#properties-gtkobject" title="gtk.Object Properties">gtk.Object Properties</a></p><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">"cell-background"</td><td valign="top">Write</td><td valign="top">The background color of the cell as a string. Default: None.</td></tr><tr valign="top"><td valign="top">"cell-background-gdk"</td><td valign="top">Read/Write</td><td valign="top">The background color of the cell as a <a class="link" href="class-gdkcolor.html" title="gtk.gdk.Color">
<code class="classname">gtk.gdk.Color</code></a>.</td></tr><tr valign="top"><td valign="top">"cell-background-set"</td><td valign="top">Read/Write</td><td valign="top">If <code class="literal">True</code> the cell background color is set by this cellrenderer. Default: <code class="literal">False</code>.</td></tr><tr valign="top"><td valign="top">"editing"</td><td valign="top">Read</td><td valign="top">If <code class="literal">True</code> the cell renderer is currently in editing mode.</td></tr><tr valign="top"><td valign="top">"height"</td><td valign="top">Read/Write</td><td valign="top">The fixed height of the cell. Allowed values >= -1. Default: -1.</td></tr><tr valign="top"><td valign="top">"is-expanded"</td><td valign="top">Read/Write</td><td valign="top">If <code class="literal">True</code> the row has children and it is expanded to show the children. Default: <code class="literal">False</code>.</td></tr><tr valign="top"><td valign="top">"is-expander"</td><td valign="top">Read/Write</td><td valign="top">If <code class="literal">True</code> the row has children. Default: <code class="literal">False</code>.</td></tr><tr valign="top"><td valign="top">"mode"</td><td valign="top">Read/Write</td><td valign="top">The editable mode of the cellrenderer. One of the
<a class="xref" href="gtk-constants.html#gtk-cellrenderer-mode-constants" title="GTK CellRenderer Mode Constants">GTK CellRenderer Mode Constants</a>.
Default: <code class="literal">gtk.CELL_RENDERER_MODE_INERT</code>,</td></tr><tr valign="top"><td valign="top">"sensitive"</td><td valign="top">Read/Write</td><td valign="top">If <code class="literal">True</code> the cell is displayed as sensitive. Available in PyGTK 2.6 and above.
Default: <code class="literal">True</code>.</td></tr><tr valign="top"><td valign="top">"visible"</td><td valign="top">Read/Write</td><td valign="top">If <code class="literal">True</code> the cell is displayed. Default: <code class="literal">True</code>.</td></tr><tr valign="top"><td valign="top">"width"</td><td valign="top">Read/Write</td><td valign="top">The fixed width of the cell. Allowed values >= -1. Default: -1.</td></tr><tr valign="top"><td valign="top">"xalign"</td><td valign="top">Read/Write</td><td valign="top">The fraction of <span class="emphasis"><em>free</em></span> space to the left
of the cell in the range 0.0 to 1.0. Allowed values between 0 and
1. Default: 0.5.</td></tr><tr valign="top"><td valign="top">"xpad"</td><td valign="top">Read/Write</td><td valign="top">The amount of padding to the left and right of the
cell. Default: 0.</td></tr><tr valign="top"><td valign="top">"yalign"</td><td valign="top">Read/Write</td><td valign="top">The fraction of <span class="emphasis"><em>free</em></span> space above the
cell in the range 0.0 to 1.0. Allowed values between 0 and 1.
Default: 0.5.</td></tr><tr valign="top"><td valign="top">"ypad"</td><td valign="top">Read/Write</td><td valign="top">The amount of padding above and below cell. Default:
0.</td></tr></tbody></table></div></td></tr></table></div></div><div class="refsect1" title="gtk.CellRenderer Signal Prototypes"><a name="signal-prototypes-gtkcellrenderer"></a><h2>gtk.CellRenderer Signal Prototypes</h2><p><PYGTKDOCLINK HREF="signal-prototypes-gobject">gobject.GObject Signal Prototypes</PYGTKDOCLINK></p><p><a class="link" href="class-gtkobject.html#signal-prototypes-gtkobject" title="gtk.Object Signal Prototypes">gtk.Object Signal Prototypes</a></p><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term">"<a class="link" href="class-gtkcellrenderer.html#signal-gtkcellrenderer--editing-canceled" title='The "editing-canceled" gtk.CellRenderer Signal'>editing-canceled</a>"</span></p></td><td><code class="methodsynopsis"> def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>cellrenderer</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param1</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">"<a class="link" href="class-gtkcellrenderer.html#signal-gtkcellrenderer--editing-started" title='The "editing-started" gtk.CellRenderer Signal'>editing-started</a>"</span></p></td><td><code class="methodsynopsis"> def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>cellrenderer</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>editable</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>path</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param1</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" title="Description"><a name="id3629644"></a><h2>Description</h2><p>The <a class="link" href="class-gtkcellrenderer.html" title="gtk.CellRenderer"><code class="classname">gtk.CellRenderer</code></a>
is a base class for a set of objects used for rendering a cell to a <a class="link" href="class-gdkdrawable.html" title="gtk.gdk.Drawable"><code class="classname">gtk.gdk.Drawable</code></a>. The
<a class="link" href="class-gtkcellrenderer.html" title="gtk.CellRenderer"><code class="classname">gtk.CellRenderer</code></a>
provides the common attributes and methods for its subclasses (<a class="link" href="class-gtkcellrendererpixbuf.html" title="gtk.CellRendererPixbuf"><code class="classname">gtk.CellRendererPixbuf</code></a>,
<a class="link" href="class-gtkcellrenderertext.html" title="gtk.CellRendererText"><code class="classname">gtk.CellRendererText</code></a>
and <a class="link" href="class-gtkcellrenderertoggle.html" title="gtk.CellRendererToggle"><code class="classname">gtk.CellRendererToggle</code></a>).</p><p>The primary use of a <a class="link" href="class-gtkcellrenderer.html" title="gtk.CellRenderer"><code class="classname">gtk.CellRenderer</code></a>
is for drawing a certain graphical elements on a <a class="link" href="class-gdkdrawable.html" title="gtk.gdk.Drawable"><code class="classname">gtk.gdk.Drawable</code></a>. Typically,
one cell renderer is used to draw many cells on the screen. To this
extent, it isn't expected that a CellRenderer keep any permanent state
around. Instead, any state is set just prior to use using the GObjects
property system. Then, the cell is measured using the <a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--get-size" title="gtk.CellRenderer.get_size"><code class="methodname">get_size</code>()</a>
method. Finally, the cell is rendered in the correct location using the
<a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--render" title="gtk.CellRenderer.render"><code class="methodname">render</code>()</a>
method.</p></div><div class="refsect1" title="Methods"><a name="id3629731"></a><h2>Methods</h2><div class="refsect2" title="gtk.CellRenderer.get_size"><a name="method-gtkcellrenderer--get-size"></a><h3>gtk.CellRenderer.get_size</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">get_size</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>widget</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cell_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>widget</code></strong> :</span></p></td><td>the widget the renderer is rendering to</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>cell_area</code></strong> :</span></p></td><td>The area a cell will be allocated, or <code class="literal">None</code></td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a tuple containing the xoffset, yoffset, width and height</td></tr></tbody></table><p>The <code class="methodname">get_size</code>() method obtains the width
and height needed to render the cell. These values are returned as part of a
tuple containing the x_offset, y_offset, width and height.
<code class="methodname">get_size</code>() is used by view widgets to determine the
appropriate size for the <em class="parameter"><code>cell_area</code></em> to be passed to the <a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--render" title="gtk.CellRenderer.render"><code class="function">gtk.CellRenderer.render()</code></a>
method. If <em class="parameter"><code>cell_area</code></em> is not <code class="literal">None</code>,
the x and y offsets of the cell relative to this location are returned.
Please note that the values set in the returned width and height, as well as
those in x_offset and y_offset are inclusive of the xpad and ypad
properties.</p></div><div class="refsect2" title="gtk.CellRenderer.render"><a name="method-gtkcellrenderer--render"></a><h3>gtk.CellRenderer.render</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">render</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>window</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>widget</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>background_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cell_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>expose_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>flags</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>window</code></strong> :</span></p></td><td>a <a class="link" href="class-gdkdrawable.html" title="gtk.gdk.Drawable"><code class="classname">gtk.gdk.Drawable</code></a> to draw to</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>widget</code></strong> :</span></p></td><td>the widget owning <em class="parameter"><code>window</code></em></td></tr><tr><td><p><span class="term"><strong class="parameter"><code>background_area</code></strong> :</span></p></td><td>entire cell area (including tree expanders and maybe padding on the sides)</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>cell_area</code></strong> :</span></p></td><td>area normally rendered by a cell renderer</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>expose_area</code></strong> :</span></p></td><td>area that actually needs updating</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>flags</code></strong> :</span></p></td><td>flags that affect rendering</td></tr></tbody></table><p>The <code class="methodname">render</code>() method invokes the virtual
render function of the <a class="link" href="class-gtkcellrenderer.html" title="gtk.CellRenderer"><code class="classname">gtk.CellRenderer</code></a>.
The three passed-in rectangles are areas of <em class="parameter"><code>window</code></em>.
Most renderers will draw within <em class="parameter"><code>cell_area</code></em>; the
xalign, yalign, xpad, and ypad properties of the <a class="link" href="class-gtkcellrenderer.html" title="gtk.CellRenderer"><code class="classname">gtk.CellRenderer</code></a>
should be honored with respect to <em class="parameter"><code>cell_area</code></em>.
<em class="parameter"><code>background_area</code></em> includes the blank space around the
cell, and also the area containing the tree expander; so the
<em class="parameter"><code>background_area</code></em> rectangles for all cells tile to
cover the entire <em class="parameter"><code>window</code></em>.
<em class="parameter"><code>expose_area</code></em> is a clip rectangle.</p><p>The <em class="parameter"><code>flags</code></em> value is one of:
<code class="literal">gtk.CELL_RENDERER_SELECTED</code>,
<code class="literal">gtk.CELL_RENDERER_PRELIT</code>,
<code class="literal">gtk.CELL_RENDERER_INSENSITIVE</code> or
<code class="literal">gtk.CELL_RENDERER_SORTED</code></p></div><div class="refsect2" title="gtk.CellRenderer.activate"><a name="method-gtkcellrenderer--activate"></a><h3>gtk.CellRenderer.activate</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">activate</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>event</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>widget</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>path</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>background_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cell_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>flags</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>event</code></strong> :</span></p></td><td>a <a class="link" href="class-gdkevent.html" title="gtk.gdk.Event"><code class="classname">gtk.gdk.Event</code></a></td></tr><tr><td><p><span class="term"><strong class="parameter"><code>widget</code></strong> :</span></p></td><td>widget that received the event</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>path</code></strong> :</span></p></td><td>widget-dependent string representation of the event location; e.g. for <a class="link" href="class-gtktreeview.html" title="gtk.TreeView"><code class="classname">gtk.TreeView</code></a>, a string representation of <code class="literal">gtk.TreePath</code></td></tr><tr><td><p><span class="term"><strong class="parameter"><code>background_area</code></strong> :</span></p></td><td>background area as passed to <a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--render" title="gtk.CellRenderer.render"><code class="methodname">render</code>()</a></td></tr><tr><td><p><span class="term"><strong class="parameter"><code>cell_area</code></strong> :</span></p></td><td>cell area as passed to <a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--render" title="gtk.CellRenderer.render"><code class="methodname">render</code>()</a></td></tr><tr><td><p><span class="term"><strong class="parameter"><code>flags</code></strong> :</span></p></td><td>render flags</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td><code class="literal">True</code> if the event was consumed/handled</td></tr></tbody></table><p>The <code class="methodname">activate</code>() method passes an
activate event to the cell renderer for possible processing. Some cell
renderers may use events; for example, <a class="link" href="class-gtkcellrenderertoggle.html" title="gtk.CellRendererToggle"><code class="classname">gtk.CellRendererToggle</code></a>
toggles when it gets a mouse click.</p><p>The <em class="parameter"><code>flags</code></em> value is one of:
<code class="literal">gtk.CELL_RENDERER_SELECTED</code>,
<code class="literal">gtk.CELL_RENDERER_PRELIT</code>,
<code class="literal">gtk.CELL_RENDERER_INSENSITIVE</code> or
<code class="literal">gtk.CELL_RENDERER_SORTED</code></p></div><div class="refsect2" title="gtk.CellRenderer.start_editing"><a name="method-gtkcellrenderer--start-editing"></a><h3>gtk.CellRenderer.start_editing</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">start_editing</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>event</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>widget</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>path</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>background_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>cell_area</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>flags</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>event</code></strong> :</span></p></td><td>a <a class="link" href="class-gdkevent.html" title="gtk.gdk.Event"><code class="classname">gtk.gdk.Event</code></a></td></tr><tr><td><p><span class="term"><strong class="parameter"><code>widget</code></strong> :</span></p></td><td>the widget that received the event</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>path</code></strong> :</span></p></td><td>a widget-dependent string representation of the event location; e.g. for <a class="link" href="class-gtktreeview.html" title="gtk.TreeView"><code class="classname">gtk.TreeView</code></a>, a string representation of <code class="literal">gtk.TreePath</code></td></tr><tr><td><p><span class="term"><strong class="parameter"><code>background_area</code></strong> :</span></p></td><td>background area as passed to <a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--render" title="gtk.CellRenderer.render"><code class="methodname">render</code>()</a>.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>cell_area</code></strong> :</span></p></td><td>cell area as passed to <a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--render" title="gtk.CellRenderer.render"><code class="methodname">render</code>()</a></td></tr><tr><td><p><span class="term"><strong class="parameter"><code>flags</code></strong> :</span></p></td><td>render flags</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-gtkcelleditable.html" title="gtk.CellEditable"><code class="classname">gtk.CellEditable</code></a>, or <code class="literal">None</code></td></tr></tbody></table><p>The <code class="methodname">start_editing</code>() method initiates
the editing of a cell.</p></div><div class="refsect2" title="gtk.CellRenderer.editing_canceled"><a name="method-gtkcellrenderer--editing-canceled"></a><h3>gtk.CellRenderer.editing_canceled</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">editing_canceled</span>(<span class="methodparam"></span>)</code></pre><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This method is available in PyGTK 2.4 and above.</p></div><div class="warning" title="Warning" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Warning</h3><p>This method is deprecated in PyGTK 2.6 and above and should not be used in newly-written code. Use the
<a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--stop-editing" title="gtk.CellRenderer.stop_editing"><code class="methodname">stop_editing</code>()</a>
method instead.</p></div><p>The <code class="methodname">editing_canceled</code>() method causes
the cell renderer to emit the "editing-canceled" signal. This method is for
use only by implementations of cell renderers that need to notify the client
program that an editing process was canceled and the changes were not
committed.</p></div><div class="refsect2" title="gtk.CellRenderer.stop_editing"><a name="method-gtkcellrenderer--stop-editing"></a><h3>gtk.CellRenderer.stop_editing</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">stop_editing</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>canceled</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>canceled</code></strong> :</span></p></td><td>if <code class="literal">True</code> the editing has been canceled</td></tr></tbody></table><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This method is available in PyGTK 2.6 and above.</p></div><p>The <code class="methodname">stop_editing</code>() method informs the
cell renderer that the editing is stopped. If
<em class="parameter"><code>canceled</code></em> is <code class="literal">True</code>, the cell
renderer will emit the "editing-canceled" signal. This method should be
called by cell renderer implementations in response to the "editing-done"
signal of <a class="link" href="class-gtkcelleditable.html" title="gtk.CellEditable"><code class="classname">gtk.CellEditable</code></a>.</p></div><div class="refsect2" title="gtk.CellRenderer.set_fixed_size"><a name="method-gtkcellrenderer--set-fixed-size"></a><h3>gtk.CellRenderer.set_fixed_size</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">set_fixed_size</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>width</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>height</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>width</code></strong> :</span></p></td><td>the width of the cell renderer, or -1</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>height</code></strong> :</span></p></td><td>the height of the cell renderer, or -1</td></tr></tbody></table><p>The <code class="methodname">set_fixed_size</code>() method sets the
renderer size to the specified <em class="parameter"><code>width</code></em> and
<em class="parameter"><code>height</code></em>, independent of the properties set.</p></div><div class="refsect2" title="gtk.CellRenderer.get_fixed_size"><a name="method-gtkcellrenderer--get-fixed-size"></a><h3>gtk.CellRenderer.get_fixed_size</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">get_fixed_size</span>(<span class="methodparam"></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 width and height of the cell</td></tr></tbody></table><p>The <code class="methodname">get_fixed_size</code>() method retrieves a
tuple containing the fixed <em class="parameter"><code>width</code></em> and
<em class="parameter"><code>height</code></em> of the cell.</p></div><div class="refsect2" title="gtk.CellRenderer.set_visible"><a name="method-gtkcellrenderer--set-visible"></a><h3>gtk.CellRenderer.set_visible</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">set_visible</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>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>visible</code></strong> :</span></p></td><td>the cell renderer's visibility.</td></tr></tbody></table><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This method is available in PyGTK 2.22 and above.</p></div><p>The <code class="methodname">set_visible</code>() method sets the cell
renderer's visibility.</p></div><div class="refsect2" title="gtk.CellRenderer.get_visible"><a name="method-gtkcellrenderer--get-visible"></a><h3>gtk.CellRenderer.get_visible</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">get_visible</span>(<span class="methodparam"></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 cell renderer's visibility.</td></tr></tbody></table><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This method is available in PyGTK 2.22 and above.</p></div><p>The <code class="methodname">get_visible</code>() method gets the cell
renderer's visibility.</p></div><div class="refsect2" title="gtk.CellRenderer.set_sensitive"><a name="method-gtkcellrenderer--set-sensitive"></a><h3>gtk.CellRenderer.set_sensitive</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">set_sensitive</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>sensitive</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>sensitive</code></strong> :</span></p></td><td>the cell renderer's sensitivity.</td></tr></tbody></table><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This method is available in PyGTK 2.22 and above.</p></div><p>The <code class="methodname">set_sensitive</code>() method sets the cell
renderer's sensitivity.</p></div><div class="refsect2" title="gtk.CellRenderer.get_sensitive"><a name="method-gtkcellrenderer--get-sensitive"></a><h3>gtk.CellRenderer.get_sensitive</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">get_sensitive</span>(<span class="methodparam"></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 cell renderer's sensitivity.</td></tr></tbody></table><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This method is available in PyGTK 2.22 and above.</p></div><p>The <code class="methodname">get_sensitive</code>() method gets the cell
renderer's sensitivity.</p></div><div class="refsect2" title="gtk.CellRenderer.set_alignment"><a name="method-gtkcellrenderer--set-alignment"></a><h3>gtk.CellRenderer.set_alignment</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">set_alignment</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>xalign</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>yalign</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>xalign</code></strong> :</span></p></td><td>the x alignment of the cell renderer.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>yalign</code></strong> :</span></p></td><td>the y alignment of the cell renderer.</td></tr></tbody></table><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This method is available in PyGTK 2.22 and above.</p></div><p>The <code class="methodname">set_alignment</code>() method sets the renderer's
alignment within its available space.</p></div><div class="refsect2" title="gtk.CellRenderer.get_alignment"><a name="method-gtkcellrenderer--get-alignment"></a><h3>gtk.CellRenderer.get_alignment</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">get_alignment</span>(<span class="methodparam"></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 2-tuple containing the cell renderer's alignment within its available space.</td></tr></tbody></table><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This method is available in PyGTK 2.22 and above.</p></div><p>The <code class="methodname">get_alignment</code>() gets the the renderer's
alignment within its available space.</p></div><div class="refsect2" title="gtk.CellRenderer.set_padding"><a name="method-gtkcellrenderer--set-padding"></a><h3>gtk.CellRenderer.set_padding</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">set_padding</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>xpad</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>ypad</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>xpad</code></strong> :</span></p></td><td>the x padding of the cell renderer.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>ypad</code></strong> :</span></p></td><td>the y padding of the cell renderer.</td></tr></tbody></table><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This method is available in PyGTK 2.22 and above.</p></div><p>The <code class="methodname">set_padding</code>() method sets the renderer's
padding.</p></div><div class="refsect2" title="gtk.CellRenderer.get_padding"><a name="method-gtkcellrenderer--get-padding"></a><h3>gtk.CellRenderer.get_padding</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">get_padding</span>(<span class="methodparam"></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 2-tuple containing the cell renderer's padding.</td></tr></tbody></table><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This method is available in PyGTK 2.22 and above.</p></div><p>The <code class="methodname">get_padding</code>() gets the the renderer's
padding.</p></div></div><div class="refsect1" title="Signals"><a name="id3631591"></a><h2>Signals</h2><div class="refsect2" title='The "editing-canceled" gtk.CellRenderer Signal'><a name="signal-gtkcellrenderer--editing-canceled"></a><h3>The "editing-canceled" gtk.CellRenderer Signal</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>cellrenderer</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param1</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>cellrenderer</code></em> :</span></p></td><td>the cellrenderer that received the signal</td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param1</code></em> :</span></p></td><td>the first user parameter (if any) specified with the <PYGTKDOCLINK HREF="method-gobject--connect"><code class="methodname">connect</code>()</PYGTKDOCLINK> 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><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This signal is available in GTK+ 2.4 and above.</p></div><p>The "editing-canceled" signal is emitted when the user cancels
the process of editing a cell. For example, an editable cell renderer
could be written to cancel editing when the user presses Escape. Also
see the <a class="link" href="class-gtkcellrenderer.html#method-gtkcellrenderer--editing-canceled" title="gtk.CellRenderer.editing_canceled"><code class="methodname">editing_canceled</code>()</a>
method.</p></div><div class="refsect2" title='The "editing-started" gtk.CellRenderer Signal'><a name="signal-gtkcellrenderer--editing-started"></a><h3>The "editing-started" gtk.CellRenderer Signal</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>cellrenderer</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>editable</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>path</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param1</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>cellrenderer</code></em> :</span></p></td><td>the cellrenderer that received the signal</td></tr><tr><td><p><span class="term"><em class="parameter"><code>editable</code></em> :</span></p></td><td>the <a class="link" href="class-gtkcelleditable.html" title="gtk.CellEditable"><code class="classname">gtk.CellEditable</code></a></td></tr><tr><td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td><td>he path identifying the edited cell</td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param1</code></em> :</span></p></td><td>the first user parameter (if any) specified with the <PYGTKDOCLINK HREF="method-gobject--connect"><code class="methodname">connect</code>()</PYGTKDOCLINK> 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><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This signal is available in GTK+ 2.6 and above.</p></div><p>The "editing-started" signal is emitted when a cell starts to be
edited. The intended use of this signal is to do special setup on
<em class="parameter"><code>editable</code></em>, e.g. adding a <a class="link" href="class-gtkentrycompletion.html" title="gtk.EntryCompletion"><code class="classname">gtk.EntryCompletion</code></a>
or setting up additional columns in a <a class="link" href="class-gtkcombobox.html" title="gtk.ComboBox"><code class="classname">gtk.ComboBox</code></a>.</p><p>Note that GTK+ doesn't guarantee that cell renderers will
continue to use the same kind of widget for editing in future releases,
therefore you should check the type of editable before doing any specific
setup, as in the following example:</p><pre class="programlisting">
def text_editing_started(cell, editable, path, data):
if isinstance(editable, gtk.Entry):
# ... create a GtkEntryCompletion
completion = gtk.EntryCompletion()
editable.set_completion(completion)
...
...
</pre></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="class-gtkcelllayout.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="gtk-class-reference.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="class-gtkcellrendereraccel.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">gtk.CellLayout </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> gtk.CellRendererAccel</td></tr></table></div></body></html>
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