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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<div id="projectname">glibmm
 <span id="projectnumber">2.42.0</span>
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<li class="navelem"><a class="el" href="namespaceGlib.html">Glib</a></li><li class="navelem"><a class="el" href="classGlib_1_1Source.html">Source</a></li> </ul>
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<a href="#pub-types">Public Types</a> |
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<div class="title">Glib::Source Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span><div class="ingroups"><a class="el" href="group__MainLoop.html">The Main Event Loop</a></div></div> </div>
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<p><code>#include <glibmm/main.h></code></p>
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Inheritance diagram for Glib::Source:</div>
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<div class="center"><img src="classGlib_1_1Source__inherit__graph.png" border="0" usemap="#Glib_1_1Source_inherit__map" alt="Inheritance graph"/></div>
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<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a2edc89f6c4601e50f5aa22cb36eb9437"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="classGlib_1_1Source.html">Glib::Source</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a2edc89f6c4601e50f5aa22cb36eb9437">CppObjectType</a></td></tr>
<tr class="separator:a2edc89f6c4601e50f5aa22cb36eb9437"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6dbe7bc8cfb1b72d61f06a180119db7b"><td class="memItemLeft" align="right" valign="top">typedef GSource </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a6dbe7bc8cfb1b72d61f06a180119db7b">BaseObjectType</a></td></tr>
<tr class="separator:a6dbe7bc8cfb1b72d61f06a180119db7b"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:aa61d28e643f2b286203b0d8e533b2c88"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#aa61d28e643f2b286203b0d8e533b2c88">attach</a> (const <a class="el" href="classGlib_1_1RefPtr.html">Glib::RefPtr</a>< <a class="el" href="classGlib_1_1MainContext.html">MainContext</a> >& context)</td></tr>
<tr class="memdesc:aa61d28e643f2b286203b0d8e533b2c88"><td class="mdescLeft"> </td><td class="mdescRight">Adds a <a class="el" href="classGlib_1_1Source.html">Source</a> to a context so that it will be executed within that context. <a href="#aa61d28e643f2b286203b0d8e533b2c88">More...</a><br /></td></tr>
<tr class="separator:aa61d28e643f2b286203b0d8e533b2c88"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a77c4b83960b2fd8d65b10ade1fc2e2fb"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a77c4b83960b2fd8d65b10ade1fc2e2fb">attach</a> ()</td></tr>
<tr class="memdesc:a77c4b83960b2fd8d65b10ade1fc2e2fb"><td class="mdescLeft"> </td><td class="mdescRight">Adds a <a class="el" href="classGlib_1_1Source.html">Source</a> to a context so that it will be executed within that context. <a href="#a77c4b83960b2fd8d65b10ade1fc2e2fb">More...</a><br /></td></tr>
<tr class="separator:a77c4b83960b2fd8d65b10ade1fc2e2fb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a98c983f075cdcb77c576b10900b3e052"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a98c983f075cdcb77c576b10900b3e052">destroy</a> ()</td></tr>
<tr class="memdesc:a98c983f075cdcb77c576b10900b3e052"><td class="mdescLeft"> </td><td class="mdescRight">Removes a source from its <a class="el" href="classGlib_1_1MainContext.html" title="Main context. ">MainContext</a>, if any, and marks it as destroyed. <a href="#a98c983f075cdcb77c576b10900b3e052">More...</a><br /></td></tr>
<tr class="separator:a98c983f075cdcb77c576b10900b3e052"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0c485044d82729a97b19cbcb841f3c53"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a0c485044d82729a97b19cbcb841f3c53">set_priority</a> (int priority)</td></tr>
<tr class="memdesc:a0c485044d82729a97b19cbcb841f3c53"><td class="mdescLeft"> </td><td class="mdescRight">Sets the priority of a source. <a href="#a0c485044d82729a97b19cbcb841f3c53">More...</a><br /></td></tr>
<tr class="separator:a0c485044d82729a97b19cbcb841f3c53"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abdbea3f0b3404098729945a9973d638e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#abdbea3f0b3404098729945a9973d638e">get_priority</a> () const </td></tr>
<tr class="memdesc:abdbea3f0b3404098729945a9973d638e"><td class="mdescLeft"> </td><td class="mdescRight">Gets the priority of a source. <a href="#abdbea3f0b3404098729945a9973d638e">More...</a><br /></td></tr>
<tr class="separator:abdbea3f0b3404098729945a9973d638e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9ca4bf99d7837587021e3cafd6775aba"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a9ca4bf99d7837587021e3cafd6775aba">set_can_recurse</a> (bool can_recurse)</td></tr>
<tr class="memdesc:a9ca4bf99d7837587021e3cafd6775aba"><td class="mdescLeft"> </td><td class="mdescRight">Sets whether a source can be called recursively. <a href="#a9ca4bf99d7837587021e3cafd6775aba">More...</a><br /></td></tr>
<tr class="separator:a9ca4bf99d7837587021e3cafd6775aba"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ada9f428f6265066eb9879b95246795be"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#ada9f428f6265066eb9879b95246795be">get_can_recurse</a> () const </td></tr>
<tr class="memdesc:ada9f428f6265066eb9879b95246795be"><td class="mdescLeft"> </td><td class="mdescRight">Checks whether a source is allowed to be called recursively. <a href="#ada9f428f6265066eb9879b95246795be">More...</a><br /></td></tr>
<tr class="separator:ada9f428f6265066eb9879b95246795be"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad4b66f89818dcc0c22479ec3c4f8f21e"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#ad4b66f89818dcc0c22479ec3c4f8f21e">get_id</a> () const </td></tr>
<tr class="memdesc:ad4b66f89818dcc0c22479ec3c4f8f21e"><td class="mdescLeft"> </td><td class="mdescRight">Returns the numeric ID for a particular source. <a href="#ad4b66f89818dcc0c22479ec3c4f8f21e">More...</a><br /></td></tr>
<tr class="separator:ad4b66f89818dcc0c22479ec3c4f8f21e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a42935adf57e6605188e38236cb14b607"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGlib_1_1RefPtr.html">Glib::RefPtr</a>< <a class="el" href="classGlib_1_1MainContext.html">MainContext</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a42935adf57e6605188e38236cb14b607">get_context</a> ()</td></tr>
<tr class="memdesc:a42935adf57e6605188e38236cb14b607"><td class="mdescLeft"> </td><td class="mdescRight">Gets the <a class="el" href="classGlib_1_1MainContext.html" title="Main context. ">MainContext</a> with which the source is associated. <a href="#a42935adf57e6605188e38236cb14b607">More...</a><br /></td></tr>
<tr class="separator:a42935adf57e6605188e38236cb14b607"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4e855292e2a99861f33c3ba3e5cc3486"><td class="memItemLeft" align="right" valign="top">GSource* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a4e855292e2a99861f33c3ba3e5cc3486">gobj</a> ()</td></tr>
<tr class="separator:a4e855292e2a99861f33c3ba3e5cc3486"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af22441954ace1f7d0d1e0314a9778787"><td class="memItemLeft" align="right" valign="top">const GSource* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#af22441954ace1f7d0d1e0314a9778787">gobj</a> () const </td></tr>
<tr class="separator:af22441954ace1f7d0d1e0314a9778787"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:affb708925e62814627bb2d332e1de0ec"><td class="memItemLeft" align="right" valign="top">GSource* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#affb708925e62814627bb2d332e1de0ec">gobj_copy</a> () const </td></tr>
<tr class="separator:affb708925e62814627bb2d332e1de0ec"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a72a59a45934a94a26aea8de5f1262235"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a72a59a45934a94a26aea8de5f1262235">reference</a> () const </td></tr>
<tr class="separator:a72a59a45934a94a26aea8de5f1262235"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7c87c88cbce09d3a7fb10c4e9856f57f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a7c87c88cbce09d3a7fb10c4e9856f57f">unreference</a> () const </td></tr>
<tr class="separator:a7c87c88cbce09d3a7fb10c4e9856f57f"><td class="memSeparator" colspan="2"> </td></tr>
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Static Public Member Functions</h2></td></tr>
<tr class="memitem:aeaffb039abf99982d7a89403bca71569"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classGlib_1_1RefPtr.html">Glib::RefPtr</a>< <a class="el" href="classGlib_1_1Source.html">Source</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#aeaffb039abf99982d7a89403bca71569">create</a> ()</td></tr>
<tr class="separator:aeaffb039abf99982d7a89403bca71569"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a9d081ba880470694d7aae3daaee30198"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a9d081ba880470694d7aae3daaee30198">Source</a> ()</td></tr>
<tr class="memdesc:a9d081ba880470694d7aae3daaee30198"><td class="mdescLeft"> </td><td class="mdescRight">Construct an object that uses the virtual functions <a class="el" href="classGlib_1_1Source.html#abc0e9e88fa74766818d317cd75d6aa3f">prepare()</a>, <a class="el" href="classGlib_1_1Source.html#a914448375c7e0dfcee1a686a006c685d">check()</a> and <a class="el" href="classGlib_1_1Source.html#aaf867fd3b09fc05d9c3e20cd89f35bd9">dispatch()</a>. <a href="#a9d081ba880470694d7aae3daaee30198">More...</a><br /></td></tr>
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<tr class="memitem:accc8cdb2f85ee750e196236a6533b1f0"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#accc8cdb2f85ee750e196236a6533b1f0">Source</a> (GSource* cast_item, GSourceFunc callback_func)</td></tr>
<tr class="memdesc:accc8cdb2f85ee750e196236a6533b1f0"><td class="mdescLeft"> </td><td class="mdescRight">Wrap an existing GSource object and install the given callback function. <a href="#accc8cdb2f85ee750e196236a6533b1f0">More...</a><br /></td></tr>
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<tr class="memitem:ab075ead07aec68d085190935fe49ba22"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#ab075ead07aec68d085190935fe49ba22">~Source</a> ()</td></tr>
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<tr class="memitem:a7ee23894376489ae9cebf18bada4e014"><td class="memItemLeft" align="right" valign="top"><a class="elRef" doxygen="/opt/gnome/share/doc/libsigc++-2.0/reference/libsigc++-2.0.tag:http://library.gnome.org/devel/libsigc++/unstable/" href="http://library.gnome.org/devel/libsigc++/unstable/structsigc_1_1connection.html">sigc::connection</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a7ee23894376489ae9cebf18bada4e014">connect_generic</a> (const <a class="elRef" doxygen="/opt/gnome/share/doc/libsigc++-2.0/reference/libsigc++-2.0.tag:http://library.gnome.org/devel/libsigc++/unstable/" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot__base.html">sigc::slot_base</a>& slot)</td></tr>
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<tr class="memitem:a3a0843a960cad7a25919a682c37c9d03"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a3a0843a960cad7a25919a682c37c9d03">add_poll</a> (<a class="el" href="classGlib_1_1PollFD.html">PollFD</a>& poll_fd)</td></tr>
<tr class="memdesc:a3a0843a960cad7a25919a682c37c9d03"><td class="mdescLeft"> </td><td class="mdescRight">Adds a file descriptor to the set of file descriptors polled for this source. <a href="#a3a0843a960cad7a25919a682c37c9d03">More...</a><br /></td></tr>
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<tr class="memitem:a67b7133527caa4f788674af0b4f185b2"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a67b7133527caa4f788674af0b4f185b2">remove_poll</a> (<a class="el" href="classGlib_1_1PollFD.html">PollFD</a>& poll_fd)</td></tr>
<tr class="memdesc:a67b7133527caa4f788674af0b4f185b2"><td class="mdescLeft"> </td><td class="mdescRight">Removes a file descriptor from the set of file descriptors polled for this source. <a href="#a67b7133527caa4f788674af0b4f185b2">More...</a><br /></td></tr>
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<tr class="memitem:aec16c75c6c202ea5cb4667aef2637d3c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#aec16c75c6c202ea5cb4667aef2637d3c">get_current_time</a> (<a class="el" href="structGlib_1_1TimeVal.html">Glib::TimeVal</a>& current_time)</td></tr>
<tr class="memdesc:aec16c75c6c202ea5cb4667aef2637d3c"><td class="mdescLeft"> </td><td class="mdescRight">Gets the "current time" to be used when checking this source. <a href="#aec16c75c6c202ea5cb4667aef2637d3c">More...</a><br /></td></tr>
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<tr class="memitem:a84e6fe51e3b1123c2cb2ec936133de48"><td class="memItemLeft" align="right" valign="top">gint64 </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a84e6fe51e3b1123c2cb2ec936133de48">get_time</a> () const </td></tr>
<tr class="memdesc:a84e6fe51e3b1123c2cb2ec936133de48"><td class="mdescLeft"> </td><td class="mdescRight">Gets the time to be used when checking this source. <a href="#a84e6fe51e3b1123c2cb2ec936133de48">More...</a><br /></td></tr>
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<tr class="memitem:abc0e9e88fa74766818d317cd75d6aa3f"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#abc0e9e88fa74766818d317cd75d6aa3f">prepare</a> (int& timeout)=0</td></tr>
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<tr class="memitem:a914448375c7e0dfcee1a686a006c685d"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#a914448375c7e0dfcee1a686a006c685d">check</a> ()=0</td></tr>
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<tr class="memitem:aaf867fd3b09fc05d9c3e20cd89f35bd9"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Source.html#aaf867fd3b09fc05d9c3e20cd89f35bd9">dispatch</a> (<a class="elRef" doxygen="/opt/gnome/share/doc/libsigc++-2.0/reference/libsigc++-2.0.tag:http://library.gnome.org/devel/libsigc++/unstable/" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot__base.html">sigc::slot_base</a>* slot)=0</td></tr>
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<h2 class="groupheader">Member Typedef Documentation</h2>
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<td class="memname">typedef GSource <a class="el" href="classGlib_1_1Source.html#a6dbe7bc8cfb1b72d61f06a180119db7b">Glib::Source::BaseObjectType</a></td>
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<td class="memname">typedef <a class="el" href="classGlib_1_1Source.html">Glib::Source</a> <a class="el" href="classGlib_1_1Source.html#a2edc89f6c4601e50f5aa22cb36eb9437">Glib::Source::CppObjectType</a></td>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">Glib::Source::Source </td>
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<p>Construct an object that uses the virtual functions <a class="el" href="classGlib_1_1Source.html#abc0e9e88fa74766818d317cd75d6aa3f">prepare()</a>, <a class="el" href="classGlib_1_1Source.html#a914448375c7e0dfcee1a686a006c685d">check()</a> and <a class="el" href="classGlib_1_1Source.html#aaf867fd3b09fc05d9c3e20cd89f35bd9">dispatch()</a>. </p>
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<td class="memname">Glib::Source::Source </td>
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<p>Wrap an existing GSource object and install the given callback function. </p>
<p>The constructed object doesn't use the virtual functions <a class="el" href="classGlib_1_1Source.html#abc0e9e88fa74766818d317cd75d6aa3f">prepare()</a>, <a class="el" href="classGlib_1_1Source.html#a914448375c7e0dfcee1a686a006c685d">check()</a> and <a class="el" href="classGlib_1_1Source.html#aaf867fd3b09fc05d9c3e20cd89f35bd9">dispatch()</a>. This constructor is for use by derived types that need to wrap a GSource object. The callback function can be a static member function. But beware - depending on the actual implementation of the GSource's virtual functions the expected type of the callback function can differ from GSourceFunc. </p>
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<td class="memname">virtual Glib::Source::~Source </td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">void Glib::Source::add_poll </td>
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<p>Adds a file descriptor to the set of file descriptors polled for this source. </p>
<p>The event source's check function will typically test the revents field in the <a class="el" href="classGlib_1_1PollFD.html">PollFD</a> and return true if events need to be processed. </p><dl class="params"><dt>Parameters</dt><dd>
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<td class="memname">unsigned int Glib::Source::attach </td>
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<p>Adds a <a class="el" href="classGlib_1_1Source.html">Source</a> to a context so that it will be executed within that context. </p>
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<dl class="section return"><dt>Returns</dt><dd>The ID for the source within the <a class="el" href="classGlib_1_1MainContext.html" title="Main context. ">MainContext</a>. </dd></dl>
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<p>Adds a <a class="el" href="classGlib_1_1Source.html">Source</a> to a context so that it will be executed within that context. </p>
<p>The default context will be used. </p><dl class="section return"><dt>Returns</dt><dd>The ID for the source within the <a class="el" href="classGlib_1_1MainContext.html" title="Main context. ">MainContext</a>. </dd></dl>
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<p>Implemented in <a class="el" href="classGlib_1_1IOSource.html#a110d00d58e547a8c3f0af3885c7ec7cb">Glib::IOSource</a>, <a class="el" href="classGlib_1_1IdleSource.html#ad909d691258ed037243d2ae444160964">Glib::IdleSource</a>, and <a class="el" href="classGlib_1_1TimeoutSource.html#a1d618d99c0d7d6b65b0118174e1cfdfc">Glib::TimeoutSource</a>.</p>
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<td class="memname"><a class="elRef" doxygen="/opt/gnome/share/doc/libsigc++-2.0/reference/libsigc++-2.0.tag:http://library.gnome.org/devel/libsigc++/unstable/" href="http://library.gnome.org/devel/libsigc++/unstable/structsigc_1_1connection.html">sigc::connection</a> Glib::Source::connect_generic </td>
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<td class="memname">static <a class="el" href="classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classGlib_1_1Source.html">Source</a>> Glib::Source::create </td>
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<p>Removes a source from its <a class="el" href="classGlib_1_1MainContext.html" title="Main context. ">MainContext</a>, if any, and marks it as destroyed. </p>
<p>The source cannot be subsequently added to another context. </p>
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<td class="memname">virtual bool Glib::Source::dispatch </td>
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<p>Implemented in <a class="el" href="classGlib_1_1IOSource.html#aaf471a16f9b9659af63d8f0b39cea51f">Glib::IOSource</a>, <a class="el" href="classGlib_1_1IdleSource.html#a47da1054d939bd656d704c719ddd5633">Glib::IdleSource</a>, and <a class="el" href="classGlib_1_1TimeoutSource.html#a27f49b37169765057787f68dabb0cad3">Glib::TimeoutSource</a>.</p>
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<p>Checks whether a source is allowed to be called recursively. </p>
<p>see <a class="el" href="classGlib_1_1Source.html#a9ca4bf99d7837587021e3cafd6775aba" title="Sets whether a source can be called recursively. ">set_can_recurse()</a>. </p><dl class="section return"><dt>Returns</dt><dd>Whether recursion is allowed. </dd></dl>
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<td class="memname"><a class="el" href="classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classGlib_1_1MainContext.html">MainContext</a>> Glib::Source::get_context </td>
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<p>Gets the <a class="el" href="classGlib_1_1MainContext.html" title="Main context. ">MainContext</a> with which the source is associated. </p>
<p>Calling this function on a destroyed source is an error. </p><dl class="section return"><dt>Returns</dt><dd>The <a class="el" href="classGlib_1_1MainContext.html" title="Main context. ">MainContext</a> with which the source is associated, or a null <a class="el" href="classGlib_1_1RefPtr.html" title="RefPtr<> is a reference-counting shared smartpointer. ">RefPtr</a> if the context has not yet been added to a source. </dd></dl>
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<td class="memname">void Glib::Source::get_current_time </td>
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<td class="paramname"><em>current_time</em></td><td>)</td>
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<p>Gets the "current time" to be used when checking this source. </p>
<p>The advantage of calling this function over calling <a class="el" href="classGlib_1_1Source.html#aec16c75c6c202ea5cb4667aef2637d3c" title="Gets the "current time" to be used when checking this source. ">get_current_time()</a> directly is that when checking multiple sources, GLib can cache a single value instead of having to repeatedly get the system time. </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">current_time</td><td><a class="el" href="structGlib_1_1TimeVal.html" title="Glib::TimeVal is a wrapper around the glib structure GTimeVal. ">Glib::TimeVal</a> in which to store current time.</td></tr>
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<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000035">Deprecated:</a></b></dt><dd>Use <a class="el" href="classGlib_1_1Source.html#a84e6fe51e3b1123c2cb2ec936133de48" title="Gets the time to be used when checking this source. ">get_time()</a> instead. </dd></dl>
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<p>Returns the numeric ID for a particular source. </p>
<p>The ID of a source is unique within a particular main loop context. The reverse mapping from ID to source is done by MainContext::find_source_by_id(). </p><dl class="section return"><dt>Returns</dt><dd>The ID for the source. </dd></dl>
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<td class="memname">int Glib::Source::get_priority </td>
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<p>Gets the priority of a source. </p>
<dl class="section return"><dt>Returns</dt><dd>The priority of the source. </dd></dl>
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<td class="memname">gint64 Glib::Source::get_time </td>
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<p>Gets the time to be used when checking this source. </p>
<p>The advantage of calling this function over calling g_get_monotonic_time() directly is that when checking multiple sources, GLib can cache a single value instead of having to repeatedly get the system monotonic time.</p>
<p>The time here is the system monotonic time, if available, or some other reasonable alternative otherwise. See g_get_monotonic_time().</p>
<dl class="section return"><dt>Returns</dt><dd>The monotonic time in microseconds.</dd></dl>
<dl class="since_2_28"><dt><b><a class="el" href="since_2_28.html#_since_2_28000053">Since glibmm 2.28:</a></b></dt><dd></dd></dl>
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<td class="memname">virtual bool Glib::Source::prepare </td>
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<p>Implemented in <a class="el" href="classGlib_1_1IOSource.html#a3a4aec26372e72bdfb709e6fe37a205d">Glib::IOSource</a>, <a class="el" href="classGlib_1_1IdleSource.html#acc5555f554ce39e52a039da6a49bd259">Glib::IdleSource</a>, and <a class="el" href="classGlib_1_1TimeoutSource.html#a08b0603920ff6ca9d3986121d584746a">Glib::TimeoutSource</a>.</p>
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<td class="memname">void Glib::Source::reference </td>
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<td class="memname">void Glib::Source::remove_poll </td>
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<td class="paramtype"><a class="el" href="classGlib_1_1PollFD.html">PollFD</a>& </td>
<td class="paramname"><em>poll_fd</em></td><td>)</td>
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<p>Removes a file descriptor from the set of file descriptors polled for this source. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">poll_fd</td><td>A <a class="el" href="classGlib_1_1PollFD.html">PollFD</a> object previously passed to <a class="el" href="classGlib_1_1Source.html#a3a0843a960cad7a25919a682c37c9d03" title="Adds a file descriptor to the set of file descriptors polled for this source. ">add_poll()</a>. </td></tr>
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<td class="memname">void Glib::Source::set_can_recurse </td>
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<p>Sets whether a source can be called recursively. </p>
<p>If <em>can_recurse</em> is true, then while the source is being dispatched then this source will be processed normally. Otherwise, all processing of this source is blocked until the dispatch function returns. </p><dl class="params"><dt>Parameters</dt><dd>
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<td class="memname">void Glib::Source::set_priority </td>
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<p>Sets the priority of a source. </p>
<p>While the main loop is being run, a source will be dispatched if it is ready to be dispatched and no sources at a higher (numerically smaller) priority are ready to be dispatched. </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">priority</td><td>The new priority. </td></tr>
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<td class="memname">void Glib::Source::unreference </td>
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