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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | <html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>gobject Functions</title><link rel="stylesheet" type="text/css" href="style.css"><meta name="generator" content="DocBook XSL Stylesheets V1.76.1"><link rel="home" href="index.html" title="PyGObject Reference Manual"><link rel="up" href="gobject-class-reference.html" title="PyGObject Class Reference"><link rel="prev" href="class-gobjectginterface.html" title="gobject.GInterface"><link rel="next" href="gobject-constants.html" title="gobject Constants"></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">gobject Functions</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="class-gobjectginterface.html">Prev</a> </td><th width="60%" align="center">PyGObject Class Reference</th><td width="20%" align="right"> <a accesskey="n" href="gobject-constants.html">Next</a></td></tr></table><hr></div><div class="refentry" title="gobject Functions"><a name="gobject-functions"></a><div class="titlepage"></div><div class="refnamediv"><h2>gobject Functions</h2><p>gobject Functions — miscellaneous functions</p></div><div class="refsect1" title="Synopsis"><a name="id361138"></a><h2>Synopsis</h2><pre class="programlisting">
<code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--type-name" title="gobject.type_name">gobject.type_name</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--type-from-name" title="gobject.type_from_name">gobject.type_from_name</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type_name</code></em></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--type-parent" title="gobject.type_parent">gobject.type_parent</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--type-is-a" title="gobject.type_is_a">gobject.type_is_a</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>parent_type</code></em></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--type-children" title="gobject.type_children">gobject.type_children</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--type-interfaces" title="gobject.type_interfaces">gobject.type_interfaces</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--type-register" title="gobject.type_register">gobject.type_register</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>class</code></em></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--signal-new" title="gobject.signal_new">gobject.signal_new</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>signal_name</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>flags</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>return_type</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>param_types</code></em></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--signal-list-names" title="gobject.signal_list_names">gobject.signal_list_names</a></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"><a class="link" href="gobject-functions.html#function-gobject--signal-list-ids" title="gobject.signal_list_ids">gobject.signal_list_ids</a></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"><a class="link" href="gobject-functions.html#function-gobject--signal-lookup" title="gobject.signal_lookup">gobject.signal_lookup</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>name</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"><a class="link" href="gobject-functions.html#function-gobject--signal-name" title="gobject.signal_name">gobject.signal_name</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>signal_id</code></strong></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--signal-query1" title="gobject.signal_query">gobject.signal_query</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>name</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"><a class="link" href="gobject-functions.html#function-gobject--signal-query2" title="gobject.signal_query">gobject.signal_query</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>signal_id</code></strong></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--list-properties" title="gobject.list_properties">gobject.list_properties</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--new" title="gobject.new">gobject.new</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--signal-accumulator-true-handled" title="gobject.signal_accumulator_true_handled">gobject.signal_accumulator_true_handled</a></span>()</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--add-emission-hook" title="gobject.add_emission_hook">gobject.add_emission_hook</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>name</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>callback</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject--remove-emission-hook" title="gobject.remove_emission_hook">gobject.remove_emission_hook</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>name</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>hook_id</code></em></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="gobject-functions.html#function-gobject---install-metaclass" title="gobject._install_metaclass">gobject._install_metaclass</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>metaclass</code></em></span></span>)</code>
</pre></div><div class="refsect1" title="Description"><a name="id363851"></a><h2>Description</h2><p>These functions are part of the <code class="literal">PyGTK</code> gobject
module but are not directly associated with a specific class.</p><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>
Many functions that previously were in this namespace got moved to <a class="link" href="glib-functions.html" title="glib Functions"><code class="literal">glib</code></a> namespace instead. They
are still available in <code class="literal">gobject</code> for backward compatibility, but
not documented here. If you miss documentation for some function, be sure to
check <a class="link" href="glib-functions.html" title="glib Functions"><code class="literal">glib</code></a> first.
</p></div></div><div class="refsect1" title="Functions"><a name="id427695"></a><h2>Functions</h2><div class="refsect2" title="gobject.type_name"><a name="function-gobject--type-name"></a><h3>gobject.type_name</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.type_name</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</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>type</code></em> :</span></p></td><td>a GObject type, type ID or
instance</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td></td></tr></tbody></table><p>The <code class="function">gobject.type_name</code>() function returns
the unique name that is assigned to the specified
<em class="parameter"><code>type</code></em>. <em class="parameter"><code>type</code></em> can be a GObject
type, type ID or instance. This function raises a TypeError exception
if <em class="parameter"><code>type</code></em> isn't a <code class="literal">PyGTK</code> type.</p></div><div class="refsect2" title="gobject.type_from_name"><a name="function-gobject--type-from-name"></a><h3>gobject.type_from_name</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.type_from_name</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type_name</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>type_name</code></em> :</span></p></td><td>a string containing the name of a
type</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>the type ID named
<em class="parameter"><code>type_name</code></em></td></tr></tbody></table><p>The <code class="function">gobject.type_from_name</code>() function
returns the type ID of the <code class="literal">PyGTK</code> type with the name
specified by <em class="parameter"><code>type_name</code></em>. This function raises a
RuntimeError exception if no type matches
<em class="parameter"><code>type_name</code></em>.</p></div><div class="refsect2" title="gobject.type_parent"><a name="function-gobject--type-parent"></a><h3>gobject.type_parent</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.type_parent</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</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>type</code></em> :</span></p></td><td>a GObject type, type ID or
instance</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>the parent type ID</td></tr></tbody></table><p>The <code class="function">gobject.type_parent</code>() function returns
the direct parent type ID of the specified <em class="parameter"><code>type</code></em>.
<em class="parameter"><code>type</code></em> can be a GObject type, type ID or instance. If
<em class="parameter"><code>type</code></em> has no parent, i.e. is a fundamental type, the
RuntimeError exception is raised. </p></div><div class="refsect2" title="gobject.type_is_a"><a name="function-gobject--type-is-a"></a><h3>gobject.type_is_a</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.type_is_a</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>parent_type</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>type</code></em> :</span></p></td><td>a GObject type, type ID or
instance</td></tr><tr><td><p><span class="term"><em class="parameter"><code>parent_type</code></em> :</span></p></td><td>a GObject type, type ID or
instance</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
<em class="parameter"><code>parent_type</code></em> is an ancestor of
<em class="parameter"><code>type</code></em></td></tr></tbody></table><p>The <code class="function">gobject.type_is_a</code>() function returns
<code class="literal">True</code> if the specified <em class="parameter"><code>type</code></em> is a
descendant of the type specified by <em class="parameter"><code>parent_type</code></em>. This
function also returns <code class="literal">True</code> if
<em class="parameter"><code>parent_type</code></em> is an interface and
<em class="parameter"><code>type</code></em> conforms to it.</p></div><div class="refsect2" title="gobject.type_children"><a name="function-gobject--type-children"></a><h3>gobject.type_children</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.type_children</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</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>type</code></em> :</span></p></td><td>a GObject type, type ID or
instance</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a list of the child types of
<em class="parameter"><code>type</code></em></td></tr></tbody></table><p>The <code class="function">gobject.type_children</code>() function
returns a list containing the child types of the specified
<em class="parameter"><code>type</code></em>.</p></div><div class="refsect2" title="gobject.type_interfaces"><a name="function-gobject--type-interfaces"></a><h3>gobject.type_interfaces</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.type_interfaces</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</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>type</code></em> :</span></p></td><td>a GObject type, type ID or
instance</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a list of the interface types supported by
<em class="parameter"><code>type</code></em></td></tr></tbody></table><p>The <code class="function">gobject.type_interfaces</code>() function
returns a list of the interface types supported by
<em class="parameter"><code>type</code></em>. <em class="parameter"><code>type</code></em> can be a GObject
type, type ID or instance. This function returns a RuntimeError exception if
type is not a valid type or has no interfaces.</p></div><div class="refsect2" title="gobject.type_register"><a name="function-gobject--type-register"></a><h3>gobject.type_register</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.type_register</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>class</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>class</code></em> :</span></p></td><td>a Python class that is a descendant of <a class="link" href="class-gobject.html" title="gobject.GObject"><code class="classname">gobject.GObject</code></a></td></tr></tbody></table><p>The <code class="function">gobject.type_register</code>() function
registers the specified Python <em class="parameter"><code>class</code></em> as a PyGTK type.
class must be a descendant of <a class="link" href="class-gobject.html" title="gobject.GObject"><code class="classname">gobject.GObject</code></a>. The function generates a name for the new type.</p></div><div class="refsect2" title="gobject.signal_new"><a name="function-gobject--signal-new"></a><h3>gobject.signal_new</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.signal_new</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>signal_name</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>flags</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>return_type</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>param_types</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>signal_name</code></em> :</span></p></td><td>a string containing the name of the
signal</td></tr><tr><td><p><span class="term"><em class="parameter"><code>type</code></em> :</span></p></td><td>the object type that the signal is associated
with</td></tr><tr><td><p><span class="term"><em class="parameter"><code>flags</code></em> :</span></p></td><td>the signal flags</td></tr><tr><td><p><span class="term"><em class="parameter"><code>return_type</code></em> :</span></p></td><td>the return type of the signal
handler</td></tr><tr><td><p><span class="term"><em class="parameter"><code>param_types</code></em> :</span></p></td><td>the parameter types passed to the signal
handler</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a unique integer signal ID</td></tr></tbody></table><p>The <code class="function">gobject.signal_new</code>() function registers
a signal with the specified <em class="parameter"><code>signal_name</code></em> for the
specified object <em class="parameter"><code>type</code></em>. The value of
<em class="parameter"><code>flags</code></em> is a combination of:</p><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><code class="literal">gobject.SIGNAL_RUN_FIRST</code></span></p></td><td>Invoke the object method handler in the first emission
stage. </td></tr><tr><td><p><span class="term"><code class="literal">gobject.SIGNAL_RUN_LAST</code></span></p></td><td>Invoke the object method handler in the third emission
stage.</td></tr><tr><td><p><span class="term"><code class="literal">gobject.SIGNAL_RUN_CLEANUP</code></span></p></td><td>Invoke the object method handler in the last emission
stage.</td></tr><tr><td><p><span class="term"><code class="literal">gobject.SIGNAL_NO_RECURSE</code></span></p></td><td>Signals being emitted for an object while currently
being in emission for this very object will not be emitted recursively, but
instead cause the first emission to be restarted.</td></tr><tr><td><p><span class="term"><code class="literal">gobject.SIGNAL_DETAILED</code></span></p></td><td>This signal supports "::detail" appendixes to the
signal name upon handler connections and emissions.</td></tr><tr><td><p><span class="term"><code class="literal">gobject.SIGNAL_ACTION</code></span></p></td><td>Action signals are signals that may freely be emitted
on alive objects from user code via <a class="link" href="class-gobject.html#method-gobject--emit" title="gobject.GObject.emit"><code class="methodname">gobject.emit()</code>()</a>
and friends, without the need of being embedded into extra code that
performs pre or post emission adjustments on the object. They can also be
thought of as generically callable object methods.</td></tr><tr><td><p><span class="term"><code class="literal">gobject.SIGNAL_NO_HOOKS</code></span></p></td><td> No emissions hooks are supported for this
signal.</td></tr></tbody></table><p><em class="parameter"><code>return_type</code></em> is the type of the return
value from a signal handler and may be a gobject type, type ID or instance.
The <em class="parameter"><code>param_types</code></em> parameter is a list of additional
types that are passed to the signal handler. Each parameter type may be
specified as a gobject type, type ID or instance. For example, to add a
signal to the gtk.Window type called "my-signal" that calls a handler with a
gtk.Button widget and an integer value and a return value that is a
boolean, use:</p><pre class="programlisting">
gobject.signal_new("my_signal", gtk.Window, gobject.SIGNAL_RUN_LAST, gobject.TYPE_BOOLEAN, (gtk.Button, gobject.TYPE_INT))
</pre></div><div class="refsect2" title="gobject.signal_list_names"><a name="function-gobject--signal-list-names"></a><h3>gobject.signal_list_names</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.signal_list_names</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>type</code></strong> :</span></p></td><td>a GObject type, type ID or
instance</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a list of the signal names supported by
<em class="parameter"><code>type</code></em></td></tr></tbody></table><p>The <code class="function">gobject.signal_list_names</code>() function
returns a list of the names of the signals that are supported by the
specified GObject <em class="parameter"><code>type</code></em></p><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>The type keyword is available in PyGTK 2.6 and above.</p></div></div><div class="refsect2" title="gobject.signal_list_ids"><a name="function-gobject--signal-list-ids"></a><h3>gobject.signal_list_ids</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.signal_list_ids</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>type</code></strong> :</span></p></td><td>a GObject type, type ID or
instance</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a list of the signal ids supported by
<em class="parameter"><code>type</code></em></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="function">gobject.signal_list_ids</code>() function
returns a list of the integer ids of the signals that are supported by the
GObject specified by <em class="parameter"><code>type</code></em></p></div><div class="refsect2" title="gobject.signal_lookup"><a name="function-gobject--signal-lookup"></a><h3>gobject.signal_lookup</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.signal_lookup</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>name</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>name</code></strong> :</span></p></td><td>the name of a signal for
<em class="parameter"><code>type</code></em></td></tr><tr><td><p><span class="term"><strong class="parameter"><code>type</code></strong> :</span></p></td><td>a GObject type, type ID or
instance</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>the integer id of a signal supported by
<em class="parameter"><code>type</code></em> or 0.</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="function">gobject.signal_lookup</code>() function
returns the id of the signal with the name specified by
<em class="parameter"><code>name</code></em> that is supported by the GObject specified
specified by<em class="parameter"><code>type</code></em>. 0 is returned if the signal is not
found.</p></div><div class="refsect2" title="gobject.signal_name"><a name="function-gobject--signal-name"></a><h3>gobject.signal_name</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.signal_name</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>signal_id</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>signal_id</code></strong> :</span></p></td><td>an integer signal id</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>the name of the signal or
<code class="literal">None</code>.</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="function">gobject.signal_name</code>() function returns
the name of the signal that has the signal id specified by
<em class="parameter"><code>id</code></em>.</p></div><div class="refsect2" title="gobject.signal_query"><a name="function-gobject--signal-query1"></a><h3>gobject.signal_query</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.signal_query</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>name</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>name</code></strong> :</span></p></td><td>the name of a signal for
<em class="parameter"><code>type</code></em></td></tr><tr><td><p><span class="term"><strong class="parameter"><code>type</code></strong> :</span></p></td><td>a GObject type, type ID or
instance</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a 6-tuple containing signal information or
<code class="literal">None</code></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="function">gobject.signal_query</code>() function returns
a 6-tuple containing information about the signal with the name specified by
<em class="parameter"><code>name</code></em> that is supported by the GObject specified by
<em class="parameter"><code>type</code></em>. If the signal is not found
<code class="literal">None</code> is returned.</p><p>The signal information 6-tuple contains:</p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">the integer signal id</li><li class="listitem">the signal name</li><li class="listitem">the GType that the signal is registered for</li><li class="listitem">the signal flags (see the <a class="xref" href="gobject-constants.html#gobject-signal-constants" title="GObject Signal Flag Constants">GObject Signal Flag Constants</a>)</li><li class="listitem">the GType of the return from the signal callback
function</li><li class="listitem">a tuple containing the GTypes of the parameters that are
passed to the signal callback function. Note that these may not correspond
exactly to the <code class="literal">PyGTK</code> signal callback parameters.</li></ul></div></div><div class="refsect2" title="gobject.signal_query"><a name="function-gobject--signal-query2"></a><h3>gobject.signal_query</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.signal_query</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>signal_id</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>signal_id</code></strong> :</span></p></td><td>the integer id of a signal</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a 6-tuple containing signal information or
<code class="literal">None</code></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="function">gobject.signal_query</code>() function returns
a 6-tuple containing information about the signal with the id specified by
<em class="parameter"><code>signal_id</code></em>. If the signal is not found
<code class="literal">None</code> is returned.</p><p>The signal information 6-tuple contains:</p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">the integer signal id</li><li class="listitem">the signal name</li><li class="listitem">the GType that the signal is registered for</li><li class="listitem">the signal flags (see the <a class="xref" href="gobject-constants.html#gobject-signal-constants" title="GObject Signal Flag Constants">GObject Signal Flag Constants</a>)</li><li class="listitem">the GType of the return from the signal callback
function</li><li class="listitem">a tuple containing the GTypes of the parameters that are
passed to the signal callback function. Note that these may not correspond
exactly to the <code class="literal">PyGTK</code> signal callback parameters.</li></ul></div></div><div class="refsect2" title="gobject.list_properties"><a name="function-gobject--list-properties"></a><h3>gobject.list_properties</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.list_properties</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</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>type</code></em> :</span></p></td><td>a GObject type, type ID or
instance</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a list of the properties (as GParam objects)
supported by <em class="parameter"><code>type</code></em></td></tr></tbody></table><p>The <code class="function">gobject.list_properties</code>() function
returns a list of the properties (as GParam objects) supported by
<em class="parameter"><code>type</code></em>.</p></div><div class="refsect2" title="gobject.new"><a name="function-gobject--new"></a><h3>gobject.new</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.new</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</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>type</code></em> :</span></p></td><td>a GObject type, type ID or
instance</td></tr><tr><td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td><td>zero or more property-value
pairs</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a new object if the specified
<em class="parameter"><code>type</code></em></td></tr></tbody></table><p>The <code class="function">gobject.new</code>() function returns a new
object of the specified <em class="parameter"><code>type</code></em>. type must specify a
type that is a descendant of <a class="link" href="class-gobject.html" title="gobject.GObject"><code class="classname">gobject.GObject</code></a>. A
TypeError exception is raised if <em class="parameter"><code>type</code></em> specifies an
abstract class or a type that is not a descendant of <a class="link" href="class-gobject.html" title="gobject.GObject"><code class="classname">gobject.GObject</code></a>. A set
of property-value pairs may be specified to set the value of the object's
properties.</p></div><div class="refsect2" title="gobject.signal_accumulator_true_handled"><a name="function-gobject--signal-accumulator-true-handled"></a><h3>gobject.signal_accumulator_true_handled</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.signal_accumulator_true_handled</span>()</code></pre><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This function is available in PyGTK 2.8 and above.</p></div><p>The <code class="function">signal_accumulator_true_handled</code>()
function is only used as accumulator argument when registering
signals.</p></div><div class="refsect2" title="gobject.add_emission_hook"><a name="function-gobject--add-emission-hook"></a><h3>gobject.add_emission_hook</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.add_emission_hook</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>name</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>callback</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"><span class="emphasis"><em>type</em></span> :</span></p></td><td>a Python GObject instance or
type</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>name</em></span> :</span></p></td><td>a signal name</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>callback</em></span> :</span></p></td><td>a function</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>...</em></span> :</span></p></td><td>zero or more extra arguments that will be
passed to callback.</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>the hook id, for later use with <PYGTKDOCLINK HREF="function-gobject--signal-remove-emission-hook"><code class="function">gobject.signal_remove_emission_hook</code>()</PYGTKDOCLINK>.</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 function is available in PyGTK 2.8 and above.</p></div><p>The <code class="function">add_emission_hook</code>() function adds an
emission hook for the signal specified by <em class="parameter"><code>name</code></em>,
which will get called for any emission of that signal, independent of
the instance. This is possible only for signals which don't have the
<code class="literal">gobject.SIGNAL_NO_HOOKS</code> flag set.</p></div><div class="refsect2" title="gobject.remove_emission_hook"><a name="function-gobject--remove-emission-hook"></a><h3>gobject.remove_emission_hook</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject.remove_emission_hook</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>type</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>name</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>hook_id</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"><span class="emphasis"><em>type</em></span> :</span></p></td><td>a Python GObject instance or
type</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>name</em></span> :</span></p></td><td>a signal name</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>hook_id</em></span> :</span></p></td><td>the id of the emission hook as returned by the
<a class="link" href="gobject-functions.html#function-gobject--add-emission-hook" title="gobject.add_emission_hook"><code class="function">gobject.add_emission_hook</code>()</a>)
function.</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td></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 function is available in PyGTK 2.8 and above.</p></div><p>The <code class="function">remove_emission_hook</code>() function deletes
an emission hook.</p></div><div class="refsect2" title="gobject._install_metaclass"><a name="function-gobject---install-metaclass"></a><h3>gobject._install_metaclass</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">gobject._install_metaclass</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>metaclass</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"><span class="emphasis"><em>metaclass</em></span> :</span></p></td><td></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 function is available in PyGTK 2.10 and above.</p></div><p>The <code class="function">_install_metaclass</code>() function installs
the metaclass specified by <em class="parameter"><code>metaclass</code></em>.</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-gobjectginterface.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="gobject-class-reference.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="gobject-constants.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">gobject.GInterface </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> gobject Constants</td></tr></table></div></body></html>
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