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<?xml version="1.0" standalone="no"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<refentry id="gobject-constants">
<refnamediv>
<refname>gobject Constants</refname>
<refpurpose>the built-in constants of the gobject module</refpurpose>
</refnamediv>
<refsect1>
<title>Synopsis</title>
<programlisting>
<xref linkend="gobject-param-constants" endterm="gobject-param-constants-title"></xref>
<xref linkend="gobject-signal-constants" endterm="gobject-signal-constants-title"></xref>
<xref linkend="gobject-type-constants" endterm="gobject-type-constants-title"></xref>
<xref linkend="gobject-version-constants" endterm="gobject-version-constants-title"></xref>
</programlisting>
</refsect1>
<refsect1 id="gobject-constants-description">
<title>Description</title>
<refsect2 id="gobject-param-constants">
<title id="gobject-param-constants-title">GObject Param Flag Constants</title>
<para>The Param Flag constants are a set of bit-flags that specify
certain aspects of parameters that can be configured.</para>
<variablelist>
<varlistentry>
<term><literal>gobject.PARAM_READABLE</literal></term>
<listitem>
<simpara>The parameter is readable</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.PARAM_WRITABLE</literal></term>
<listitem>
<simpara>The parameter is writable</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.PARAM_CONSTRUCT</literal></term>
<listitem>
<simpara>The parameter will be set upon object
construction</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.PARAM_CONSTRUCT_ONLY</literal></term>
<listitem>
<simpara>The parameter will only be set upon object
construction</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.PARAM_LAX_VALIDATION</literal></term>
<listitem>
<simpara>Upon parameter conversion strict validation is not
required</simpara>
</listitem>
</varlistentry>
</variablelist>
</refsect2>
<refsect2 id="gobject-signal-constants">
<title id="gobject-signal-constants-title">GObject Signal Flag Constants</title>
<para>The Signal Flag constants are a set of bit-flags that specify a
signal's behavior. The overall signal description outlines how especially
the <literal>RUN</literal> flags control the stages of a signal
emission.</para>
<variablelist>
<varlistentry>
<term><literal>gobject.SIGNAL_RUN_FIRST</literal></term>
<listitem>
<simpara>Invoke the object method handler in the first emission
stage.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.SIGNAL_RUN_LAST</literal></term>
<listitem>
<simpara>Invoke the object method handler in the third emission
stage.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.SIGNAL_RUN_CLEANUP</literal></term>
<listitem>
<simpara>Invoke the object method handler in the last emission
stage.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.SIGNAL_NO_RECURSE</literal></term>
<listitem>
<simpara>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.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.SIGNAL_DETAILED</literal></term>
<listitem>
<simpara>This signal supports "::detail" appendices to the
signal name upon handler connections and emissions.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.SIGNAL_ACTION</literal></term>
<listitem>
<simpara>Action signals are signals that may freely be emitted
on alive objects from user code via the <link
linkend="method-gobject--emit"><methodname>gobject.emit</methodname>()</link>
method 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 object methods which can
be called generically by third-party code.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.SIGNAL_NO_HOOKS</literal></term>
<listitem>
<simpara>No emissions hooks are supported for this
signal.</simpara>
</listitem>
</varlistentry>
</variablelist>
</refsect2>
<refsect2 id="gobject-type-constants">
<title id="gobject-type-constants-title">GObject Built-in Type Constants</title>
<para>The Built-in Type constants specify the pre-defined types used
by gobject.</para>
<variablelist>
<varlistentry>
<term><literal>gobject.TYPE_INVALID</literal></term>
<listitem>
<simpara>An invalid type, used as error return value in some
functions.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_NONE</literal></term>
<listitem>
<simpara>A fundamental type indicating no type.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_INTERFACE</literal></term>
<listitem>
<simpara>The fundamental type from which all interfaces are
derived.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_CHAR</literal></term>
<listitem>
<simpara>The fundamental type corresponding to a
character. This maps to a string in Python.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_UCHAR</literal></term>
<listitem>
<simpara>The fundamental type corresponding to an unsigned
character. This maps to a string in Python.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_BOOLEAN</literal></term>
<listitem>
<simpara>The fundamental type corresponding to a True or False
value. This maps to an integer in Python.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_INT</literal></term>
<listitem>
<simpara>The fundamental type corresponding to an
integer. This maps to an integer in Python.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_UINT</literal></term>
<listitem>
<simpara>he fundamental type corresponding to an unsigned
integer. This maps to an integer in Python.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_LONG</literal></term>
<listitem>
<simpara>The fundamental type corresponding to a long
integer. This maps to an integer in Python.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_ULONG</literal></term>
<listitem>
<simpara>The fundamental type corresponding to an unsigned
integer. This maps to an integer in Python.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_INT64</literal></term>
<listitem>
<simpara>The fundamental type corresponding to an long long
integer. This maps to a long integer in Python.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_UINT64</literal></term>
<listitem>
<simpara>The fundamental type corresponding to an unsigned long
long integer. This maps to a long integer in Python.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_ENUM</literal></term>
<listitem>
<simpara>The fundamental type corresponding to an enumeration
type. This maps to an integer in Python.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_FLAGS</literal></term>
<listitem>
<simpara>The fundamental type corresponding to a flag
type. This maps to an integer in Python.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_FLOAT</literal></term>
<listitem>
<simpara>The fundamental type corresponding to a floating point
number. This maps to a float in Python.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_DOUBLE</literal></term>
<listitem>
<simpara>The fundamental type corresponding to a double
floating point number. This maps to a float in Python.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_STRING</literal></term>
<listitem>
<simpara>The fundamental type corresponding to a string.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_POINTER</literal></term>
<listitem>
<simpara>The fundamental type corresponding to a pointer to an
anonymous type. This has no corresponding Python type.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_BOXED</literal></term>
<listitem>
<simpara>The fundamental type corresponding to a boxed object
type.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_PARAM</literal></term>
<listitem>
<simpara>The fundamental type corresponding to a GParamSpec
type.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_OBJECT</literal></term>
<listitem>
<simpara>The fundamental type corresponding to a GObject
type.</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>gobject.TYPE_PYOBJECT</literal></term>
<listitem>
<simpara>The fundamental type corresponding to a Python Object
type.</simpara>
</listitem>
</varlistentry>
</variablelist>
</refsect2>
</refsect1>
</refentry>
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