<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.7"/>
<title>libsigc++: sigc::signal_base Struct Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="doxygen-extra.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">libsigc++
 <span id="projectnumber">2.4.0</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.7 -->
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li class="current"><a href="annotated.html"><span>Classes</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="annotated.html"><span>Class List</span></a></li>
<li><a href="classes.html"><span>Class Index</span></a></li>
<li><a href="inherits.html"><span>Class Hierarchy</span></a></li>
<li><a href="functions.html"><span>Class Members</span></a></li>
</ul>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="namespacesigc.html">sigc</a></li><li class="navelem"><a class="el" href="structsigc_1_1signal__base.html">signal_base</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="summary">
<a href="#pub-types">Public Types</a> |
<a href="#pub-methods">Public Member Functions</a> |
<a href="#pro-types">Protected Types</a> |
<a href="#pro-methods">Protected Member Functions</a> |
<a href="#pro-attribs">Protected Attributes</a> |
<a href="structsigc_1_1signal__base-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">sigc::signal_base Struct Reference<div class="ingroups"><a class="el" href="group__signal.html">Signals</a></div></div> </div>
</div><!--header-->
<div class="contents">
<p>Base class for the <a class="el" href="classsigc_1_1signal.html" title="Convenience wrapper for the numbered sigc::signal# templates. ">sigc::signal</a># templates.
<a href="structsigc_1_1signal__base.html#details">More...</a></p>
<p><code>#include <sigc++/signal_base.h></code></p>
<div class="dynheader">
Inheritance diagram for sigc::signal_base:</div>
<div class="dyncontent">
<div class="center"><img src="structsigc_1_1signal__base__inherit__graph.png" border="0" usemap="#sigc_1_1signal__base_inherit__map" alt="Inheritance graph"/></div>
<map name="sigc_1_1signal__base_inherit__map" id="sigc_1_1signal__base_inherit__map">
<area shape="rect" id="node3" href="classsigc_1_1signal0.html" title="Signal declaration. " alt="" coords="379,26,551,67"/><area shape="rect" id="node5" href="classsigc_1_1signal1.html" title="Signal declaration. " alt="" coords="372,107,559,149"/><area shape="rect" id="node7" href="classsigc_1_1signal2.html" title="Signal declaration. " alt="" coords="347,190,584,231"/><area shape="rect" id="node9" href="classsigc_1_1signal3.html" title="Signal declaration. " alt="" coords="378,268,553,324"/><area shape="rect" id="node11" href="classsigc_1_1signal4.html" title="Signal declaration. " alt="" coords="372,357,559,413"/><area shape="rect" id="node13" href="classsigc_1_1signal5.html" title="Signal declaration. " alt="" coords="347,448,584,504"/><area shape="rect" id="node15" href="classsigc_1_1signal6.html" title="Signal declaration. " alt="" coords="378,535,553,606"/><area shape="rect" id="node17" href="classsigc_1_1signal7.html" title="Signal declaration. " alt="" coords="372,638,559,709"/><area shape="rect" id="node19" href="classsigc_1_1signal0.html" title="sigc::signal0\< T_return,\l nil \>" alt="" coords="379,739,551,781"/><area shape="rect" id="node21" href="classsigc_1_1signal1.html" title="sigc::signal1\< T_return,\l T_arg1, nil \>" alt="" coords="379,814,551,855"/><area shape="rect" id="node23" href="classsigc_1_1signal2.html" title="sigc::signal2\< T_return,\l T_arg1, T_arg2, nil \>" alt="" coords="379,891,551,933"/><area shape="rect" id="node25" href="classsigc_1_1signal3.html" title="sigc::signal3\< T_return,\l T_arg1, T_arg2, T_arg3,\l nil \>" alt="" coords="378,967,553,1023"/><area shape="rect" id="node27" href="classsigc_1_1signal4.html" title="sigc::signal4\< T_return,\l T_arg1, T_arg2, T_arg3,\l T_arg4, nil \>" alt="" coords="378,1047,553,1103"/><area shape="rect" id="node29" href="classsigc_1_1signal5.html" title="sigc::signal5\< T_return,\l T_arg1, T_arg2, T_arg3,\l T_arg4, T_arg5, nil \>" alt="" coords="378,1127,553,1183"/><area shape="rect" id="node31" href="classsigc_1_1signal6.html" title="sigc::signal6\< T_return,\l T_arg1, T_arg2, T_arg3,\l T_arg4, T_arg5, T_arg6, nil \>" alt="" coords="361,1207,569,1263"/><area shape="rect" id="node33" href="classsigc_1_1signal7.html" title="sigc::signal7\< T_return,\l T_arg1, T_arg2, T_arg3,\l T_arg4, T_arg5, T_arg6,\l T_arg7, nil \>" alt="" coords="378,1287,553,1358"/><area shape="rect" id="node2" href="structsigc_1_1trackable.html" title="Base class for objects with auto-disconnection. " alt="" coords="5,707,120,733"/><area shape="rect" id="node4" href="classsigc_1_1signal_3_01T__return_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_01_4_1_1accumulated.html" title="Convenience wrapper for the numbered sigc::signal0 template. " alt="" coords="655,5,823,61"/><area shape="rect" id="node6" href="classsigc_1_1signal_3_01T__return_00_01T__arg1_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_01_4_1_1accumulated.html" title="Convenience wrapper for the numbered sigc::signal1 template. " alt="" coords="643,85,834,141"/><area shape="rect" id="node8" href="classsigc_1_1signal_3_01T__return_00_01T__arg1_00_01T__arg2_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_01_4_1_1accumulated.html" title="Convenience wrapper for the numbered sigc::signal2 template. " alt="" coords="657,166,821,237"/><area shape="rect" id="node10" href="classsigc_1_1signal_3_01T__return_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01nil_00_01nil_00_01852c349c390cefa04662a850d84c0a94.html" title="Convenience wrapper for the numbered sigc::signal3 template. " alt="" coords="633,261,845,317"/><area shape="rect" id="node12" href="classsigc_1_1signal_3_01T__return_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01T__arg4_00_01nil_0d729ce48b1328d982e0ee754652fed04.html" title="Convenience wrapper for the numbered sigc::signal4 template. " alt="" coords="651,342,826,413"/><area shape="rect" id="node14" href="classsigc_1_1signal_3_01T__return_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01T__arg4_00_01T__arcf6cb51783c363bfae7c4a91d9685109.html" title="Convenience wrapper for the numbered sigc::signal5 template. " alt="" coords="651,437,826,507"/><area shape="rect" id="node16" href="classsigc_1_1signal_3_01T__return_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01T__arg4_00_01T__are33def4d0c1a12dcbfd220489302db67.html" title="Convenience wrapper for the numbered sigc::signal6 template. " alt="" coords="651,531,826,602"/><area shape="rect" id="node18" href="classsigc_1_1signal_1_1accumulated.html" title="Convenience wrapper for the numbered sigc::signal# templates. " alt="" coords="645,627,832,712"/><area shape="rect" id="node20" href="classsigc_1_1signal_3_01T__return_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::signal0 template. " alt="" coords="657,736,821,792"/><area shape="rect" id="node22" href="classsigc_1_1signal_3_01T__return_00_01T__arg1_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::signal1 template. " alt="" coords="657,816,821,872"/><area shape="rect" id="node24" href="classsigc_1_1signal_3_01T__return_00_01T__arg1_00_01T__arg2_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::signal2 template. " alt="" coords="657,896,821,952"/><area shape="rect" id="node26" href="classsigc_1_1signal_3_01T__return_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01nil_00_01nil_00_01nil_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::signal3 template. " alt="" coords="651,976,826,1032"/><area shape="rect" id="node28" href="classsigc_1_1signal_3_01T__return_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01T__arg4_00_01nil_00_01nil_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::signal4 template. " alt="" coords="651,1056,826,1112"/><area shape="rect" id="node30" href="classsigc_1_1signal_3_01T__return_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01T__arg4_00_01T__arg5_00_01nil_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::signal5 template. " alt="" coords="649,1136,828,1192"/><area shape="rect" id="node32" href="classsigc_1_1signal_3_01T__return_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01T__arg4_00_01T__arg5_00_01T__arg6_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::signal6 template. " alt="" coords="635,1216,843,1272"/><area shape="rect" id="node34" href="classsigc_1_1signal.html" title="Convenience wrapper for the numbered sigc::signal# templates. " alt="" coords="651,1297,826,1367"/></map>
<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:aa60e22abd088b6cde2dd50fb3f228aa4"><td class="memItemLeft" align="right" valign="top">typedef std::size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#aa60e22abd088b6cde2dd50fb3f228aa4">size_type</a></td></tr>
<tr class="separator:aa60e22abd088b6cde2dd50fb3f228aa4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_types_structsigc_1_1trackable"><td colspan="2" onclick="javascript:toggleInherit('pub_types_structsigc_1_1trackable')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="structsigc_1_1trackable.html">sigc::trackable</a></td></tr>
<tr class="memitem:a3338954d7565534bd945290b798e13ed inherit pub_types_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top">typedef <br class="typebreak" />
internal::func_destroy_notify </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#a3338954d7565534bd945290b798e13ed">func_destroy_notify</a></td></tr>
<tr class="separator:a3338954d7565534bd945290b798e13ed inherit pub_types_structsigc_1_1trackable"><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:aa6112fc84ae5bd06fb09a8fb0dfbba2c"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#aa6112fc84ae5bd06fb09a8fb0dfbba2c">signal_base</a> ()</td></tr>
<tr class="separator:aa6112fc84ae5bd06fb09a8fb0dfbba2c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aaeb49371ba502691978e2f860117e3c3"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#aaeb49371ba502691978e2f860117e3c3">signal_base</a> (const <a class="el" href="structsigc_1_1signal__base.html">signal_base</a>& src)</td></tr>
<tr class="separator:aaeb49371ba502691978e2f860117e3c3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afa2e5807537c989b430015e5ae05a357"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#afa2e5807537c989b430015e5ae05a357">~signal_base</a> ()</td></tr>
<tr class="separator:afa2e5807537c989b430015e5ae05a357"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa27e3585b4b420957040d93324e6b32d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#aa27e3585b4b420957040d93324e6b32d">block</a> (bool should_block=true)</td></tr>
<tr class="memdesc:aa27e3585b4b420957040d93324e6b32d"><td class="mdescLeft"> </td><td class="mdescRight">Sets the blocking state of all slots in the list. <a href="#aa27e3585b4b420957040d93324e6b32d">More...</a><br /></td></tr>
<tr class="separator:aa27e3585b4b420957040d93324e6b32d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af289509690157d392437be35b40d937a"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#af289509690157d392437be35b40d937a">blocked</a> () const </td></tr>
<tr class="memdesc:af289509690157d392437be35b40d937a"><td class="mdescLeft"> </td><td class="mdescRight">Returns whether all slots in the list are blocked. <a href="#af289509690157d392437be35b40d937a">More...</a><br /></td></tr>
<tr class="separator:af289509690157d392437be35b40d937a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a17597d66e680d222248c523985f0afd6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a17597d66e680d222248c523985f0afd6">clear</a> ()</td></tr>
<tr class="memdesc:a17597d66e680d222248c523985f0afd6"><td class="mdescLeft"> </td><td class="mdescRight">Empties the list of slots. <a href="#a17597d66e680d222248c523985f0afd6">More...</a><br /></td></tr>
<tr class="separator:a17597d66e680d222248c523985f0afd6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abc8fe88ca813837ff3fb3ef4ecb4e8a7"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#abc8fe88ca813837ff3fb3ef4ecb4e8a7">empty</a> () const </td></tr>
<tr class="memdesc:abc8fe88ca813837ff3fb3ef4ecb4e8a7"><td class="mdescLeft"> </td><td class="mdescRight">Returns whether the list of slots is empty. <a href="#abc8fe88ca813837ff3fb3ef4ecb4e8a7">More...</a><br /></td></tr>
<tr class="separator:abc8fe88ca813837ff3fb3ef4ecb4e8a7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a90b36a7b33e107ce0af0de895e0df286"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1signal__base.html">signal_base</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a90b36a7b33e107ce0af0de895e0df286">operator=</a> (const <a class="el" href="structsigc_1_1signal__base.html">signal_base</a>& src)</td></tr>
<tr class="separator:a90b36a7b33e107ce0af0de895e0df286"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a06e0889c75cccc15dcec71a48acae00d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1signal__base.html#aa60e22abd088b6cde2dd50fb3f228aa4">size_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a06e0889c75cccc15dcec71a48acae00d">size</a> () const </td></tr>
<tr class="memdesc:a06e0889c75cccc15dcec71a48acae00d"><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of slots in the list. <a href="#a06e0889c75cccc15dcec71a48acae00d">More...</a><br /></td></tr>
<tr class="separator:a06e0889c75cccc15dcec71a48acae00d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6a2ba287d992bcaa87eb71ba8c78c37c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a6a2ba287d992bcaa87eb71ba8c78c37c">unblock</a> ()</td></tr>
<tr class="memdesc:a6a2ba287d992bcaa87eb71ba8c78c37c"><td class="mdescLeft"> </td><td class="mdescRight">Unsets the blocking state of all slots in the list. <a href="#a6a2ba287d992bcaa87eb71ba8c78c37c">More...</a><br /></td></tr>
<tr class="separator:a6a2ba287d992bcaa87eb71ba8c78c37c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_structsigc_1_1trackable"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_structsigc_1_1trackable')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="structsigc_1_1trackable.html">sigc::trackable</a></td></tr>
<tr class="memitem:a09f5b2fe24c2ac1da8322ed0ea1553ea inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#a09f5b2fe24c2ac1da8322ed0ea1553ea">trackable</a> ()</td></tr>
<tr class="separator:a09f5b2fe24c2ac1da8322ed0ea1553ea inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7efefbcab4645648a366da3439242198 inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#a7efefbcab4645648a366da3439242198">trackable</a> (const <a class="el" href="structsigc_1_1trackable.html">trackable</a>& src)</td></tr>
<tr class="separator:a7efefbcab4645648a366da3439242198 inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a75587da09e30031db7a2519843f1f4fb inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#a75587da09e30031db7a2519843f1f4fb">~trackable</a> ()</td></tr>
<tr class="separator:a75587da09e30031db7a2519843f1f4fb inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab14931670837728e49bb5ca88fb16db5 inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#ab14931670837728e49bb5ca88fb16db5">add_destroy_notify_callback</a> (void* data, <a class="el" href="structsigc_1_1trackable.html#a3338954d7565534bd945290b798e13ed">func_destroy_notify</a> func) const </td></tr>
<tr class="memdesc:ab14931670837728e49bb5ca88fb16db5 inherit pub_methods_structsigc_1_1trackable"><td class="mdescLeft"> </td><td class="mdescRight">Add a callback that is executed (notified) when the trackable object is detroyed. <a href="#ab14931670837728e49bb5ca88fb16db5">More...</a><br /></td></tr>
<tr class="separator:ab14931670837728e49bb5ca88fb16db5 inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af2e23cfe7adc1ca844a3350bbac557cb inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#af2e23cfe7adc1ca844a3350bbac557cb">notify_callbacks</a> ()</td></tr>
<tr class="memdesc:af2e23cfe7adc1ca844a3350bbac557cb inherit pub_methods_structsigc_1_1trackable"><td class="mdescLeft"> </td><td class="mdescRight">Execute and remove all previously installed callbacks. <a href="#af2e23cfe7adc1ca844a3350bbac557cb">More...</a><br /></td></tr>
<tr class="separator:af2e23cfe7adc1ca844a3350bbac557cb inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7494fbad23a65932ff1457d00d4edaf5 inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1trackable.html">trackable</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#a7494fbad23a65932ff1457d00d4edaf5">operator=</a> (const <a class="el" href="structsigc_1_1trackable.html">trackable</a>& src)</td></tr>
<tr class="separator:a7494fbad23a65932ff1457d00d4edaf5 inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8b9dffa8a50ff13ba33e6c7f10468e2b inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#a8b9dffa8a50ff13ba33e6c7f10468e2b">remove_destroy_notify_callback</a> (void* data) const </td></tr>
<tr class="memdesc:a8b9dffa8a50ff13ba33e6c7f10468e2b inherit pub_methods_structsigc_1_1trackable"><td class="mdescLeft"> </td><td class="mdescRight">Remove a callback previously installed with <a class="el" href="structsigc_1_1trackable.html#ab14931670837728e49bb5ca88fb16db5" title="Add a callback that is executed (notified) when the trackable object is detroyed. ...">add_destroy_notify_callback()</a>. <a href="#a8b9dffa8a50ff13ba33e6c7f10468e2b">More...</a><br /></td></tr>
<tr class="separator:a8b9dffa8a50ff13ba33e6c7f10468e2b inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-types"></a>
Protected Types</h2></td></tr>
<tr class="memitem:a328b132e5dfb99dbc3aae1e5c3bb0981"><td class="memItemLeft" align="right" valign="top">typedef <br class="typebreak" />
<a class="el" href="structsigc_1_1slot__iterator.html">internal::signal_impl::iterator_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a328b132e5dfb99dbc3aae1e5c3bb0981">iterator_type</a></td></tr>
<tr class="separator:a328b132e5dfb99dbc3aae1e5c3bb0981"><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:a5c89a76a27d69c512f554b841b1bd08a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1signal__base.html#a328b132e5dfb99dbc3aae1e5c3bb0981">iterator_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a5c89a76a27d69c512f554b841b1bd08a">connect</a> (const <a class="el" href="classsigc_1_1slot__base.html">slot_base</a>& slot_)</td></tr>
<tr class="memdesc:a5c89a76a27d69c512f554b841b1bd08a"><td class="mdescLeft"> </td><td class="mdescRight">Adds a slot at the end of the list of slots. <a href="#a5c89a76a27d69c512f554b841b1bd08a">More...</a><br /></td></tr>
<tr class="separator:a5c89a76a27d69c512f554b841b1bd08a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a21efc57eea29c3139855909ad4807984"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1signal__base.html#a328b132e5dfb99dbc3aae1e5c3bb0981">iterator_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a21efc57eea29c3139855909ad4807984">erase</a> (<a class="el" href="structsigc_1_1signal__base.html#a328b132e5dfb99dbc3aae1e5c3bb0981">iterator_type</a> i)</td></tr>
<tr class="memdesc:a21efc57eea29c3139855909ad4807984"><td class="mdescLeft"> </td><td class="mdescRight">Removes the slot at the given position from the list of slots. <a href="#a21efc57eea29c3139855909ad4807984">More...</a><br /></td></tr>
<tr class="separator:a21efc57eea29c3139855909ad4807984"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab1b7d9bc2a59c4c67d0123a65a7baab9"><td class="memItemLeft" align="right" valign="top">internal::signal_impl* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#ab1b7d9bc2a59c4c67d0123a65a7baab9">impl</a> () const </td></tr>
<tr class="memdesc:ab1b7d9bc2a59c4c67d0123a65a7baab9"><td class="mdescLeft"> </td><td class="mdescRight">Returns the signal_impl object encapsulating the list of slots. <a href="#ab1b7d9bc2a59c4c67d0123a65a7baab9">More...</a><br /></td></tr>
<tr class="separator:ab1b7d9bc2a59c4c67d0123a65a7baab9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a87da23ad801faa9e2b6b4be2a747e757"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1signal__base.html#a328b132e5dfb99dbc3aae1e5c3bb0981">iterator_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a87da23ad801faa9e2b6b4be2a747e757">insert</a> (<a class="el" href="structsigc_1_1signal__base.html#a328b132e5dfb99dbc3aae1e5c3bb0981">iterator_type</a> i, const <a class="el" href="classsigc_1_1slot__base.html">slot_base</a>& slot_)</td></tr>
<tr class="memdesc:a87da23ad801faa9e2b6b4be2a747e757"><td class="mdescLeft"> </td><td class="mdescRight">Adds a slot at the given position into the list of slots. <a href="#a87da23ad801faa9e2b6b4be2a747e757">More...</a><br /></td></tr>
<tr class="separator:a87da23ad801faa9e2b6b4be2a747e757"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr class="memitem:a747d448c28fd256ef580d165eb69f17a"><td class="memItemLeft" align="right" valign="top">internal::signal_impl* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a747d448c28fd256ef580d165eb69f17a">impl_</a></td></tr>
<tr class="memdesc:a747d448c28fd256ef580d165eb69f17a"><td class="mdescLeft"> </td><td class="mdescRight">The signal_impl object encapsulating the slot list. <a href="#a747d448c28fd256ef580d165eb69f17a">More...</a><br /></td></tr>
<tr class="separator:a747d448c28fd256ef580d165eb69f17a"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Base class for the <a class="el" href="classsigc_1_1signal.html" title="Convenience wrapper for the numbered sigc::signal# templates. ">sigc::signal</a># templates. </p>
<p><a class="el" href="structsigc_1_1signal__base.html" title="Base class for the sigc::signal# templates. ">signal_base</a> integrates most of the interface of the derived <a class="el" href="classsigc_1_1signal.html" title="Convenience wrapper for the numbered sigc::signal# templates. ">sigc::signal</a># templates. The implementation, however, resides in sigc::internal::signal_impl. A sigc::internal::signal_impl object is dynamically allocated from <a class="el" href="structsigc_1_1signal__base.html" title="Base class for the sigc::signal# templates. ">signal_base</a> when first connecting a slot to the signal. This ensures that empty signals don't waste memory.</p>
<p>sigc::internal::signal_impl is reference-counted. When a <a class="el" href="classsigc_1_1signal.html" title="Convenience wrapper for the numbered sigc::signal# templates. ">sigc::signal</a># object is copied, the reference count of its sigc::internal::signal_impl object is incremented. Both <a class="el" href="classsigc_1_1signal.html" title="Convenience wrapper for the numbered sigc::signal# templates. ">sigc::signal</a># objects then refer to the same sigc::internal::signal_impl object. </p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a class="anchor" id="a328b132e5dfb99dbc3aae1e5c3bb0981"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">typedef <a class="el" href="structsigc_1_1slot__iterator.html">internal::signal_impl::iterator_type</a> <a class="el" href="structsigc_1_1signal__base.html#a328b132e5dfb99dbc3aae1e5c3bb0981">sigc::signal_base::iterator_type</a></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">protected</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="aa60e22abd088b6cde2dd50fb3f228aa4"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">typedef std::size_t <a class="el" href="structsigc_1_1signal__base.html#aa60e22abd088b6cde2dd50fb3f228aa4">sigc::signal_base::size_type</a></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a class="anchor" id="aa6112fc84ae5bd06fb09a8fb0dfbba2c"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">sigc::signal_base::signal_base </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="aaeb49371ba502691978e2f860117e3c3"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">sigc::signal_base::signal_base </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structsigc_1_1signal__base.html">signal_base</a>& </td>
<td class="paramname"><em>src</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="afa2e5807537c989b430015e5ae05a357"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">sigc::signal_base::~signal_base </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="aa27e3585b4b420957040d93324e6b32d"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void sigc::signal_base::block </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"><em>should_block</em> = <code>true</code></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Sets the blocking state of all slots in the list. </p>
<p>If <em>should_block</em> is <code>true</code> then the blocking state is set. Subsequent emissions of the signal don't invoke the functors contained in the slots until <a class="el" href="structsigc_1_1signal__base.html#a6a2ba287d992bcaa87eb71ba8c78c37c" title="Unsets the blocking state of all slots in the list. ">unblock()</a> or <a class="el" href="structsigc_1_1signal__base.html#aa27e3585b4b420957040d93324e6b32d" title="Sets the blocking state of all slots in the list. ">block()</a> with <em>should_block</em> = <code>false</code> is called. <a class="el" href="classsigc_1_1slot__base.html#a69042c2e2b0e5449fbf8203e862192a7" title="Sets the blocking state. ">sigc::slot_base::block()</a> and <a class="el" href="classsigc_1_1slot__base.html#ad93eaf25fae13186a1af8f699c6004a1" title="Unsets the blocking state. ">sigc::slot_base::unblock()</a> can change the blocking state of individual slots. </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">should_block</td><td>Indicates whether the blocking state should be set or unset.</td></tr>
</table>
</dd>
</dl>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000004">Since libsigc++ 2.4:</a></b></dt><dd></dd></dl>
</div>
</div>
<a class="anchor" id="af289509690157d392437be35b40d937a"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">bool sigc::signal_base::blocked </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Returns whether all slots in the list are blocked. </p>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if all slots are blocked or the list is empty.</dd></dl>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000003">Since libsigc++ 2.4:</a></b></dt><dd></dd></dl>
</div>
</div>
<a class="anchor" id="a17597d66e680d222248c523985f0afd6"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void sigc::signal_base::clear </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Empties the list of slots. </p>
</div>
</div>
<a class="anchor" id="a5c89a76a27d69c512f554b841b1bd08a"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="structsigc_1_1signal__base.html#a328b132e5dfb99dbc3aae1e5c3bb0981">iterator_type</a> sigc::signal_base::connect </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classsigc_1_1slot__base.html">slot_base</a>& </td>
<td class="paramname"><em>slot_</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">protected</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Adds a slot at the end of the list of slots. </p>
<p>With <a class="el" href="structsigc_1_1signal__base.html#a5c89a76a27d69c512f554b841b1bd08a" title="Adds a slot at the end of the list of slots. ">connect()</a>, slots can also be added during signal emission. In this case, they won't be executed until the next emission occurs. </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">slot_</td><td>The slot to add to the list of slots. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>An iterator pointing to the new slot in the list. </dd></dl>
</div>
</div>
<a class="anchor" id="abc8fe88ca813837ff3fb3ef4ecb4e8a7"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">bool sigc::signal_base::empty </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Returns whether the list of slots is empty. </p>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if the list of slots is empty. </dd></dl>
</div>
</div>
<a class="anchor" id="a21efc57eea29c3139855909ad4807984"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="structsigc_1_1signal__base.html#a328b132e5dfb99dbc3aae1e5c3bb0981">iterator_type</a> sigc::signal_base::erase </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structsigc_1_1signal__base.html#a328b132e5dfb99dbc3aae1e5c3bb0981">iterator_type</a> </td>
<td class="paramname"><em>i</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">protected</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Removes the slot at the given position from the list of slots. </p>
<p>Note that this function does not work during signal emission! </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">i</td><td>An iterator pointing to the slot to be removed. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>An iterator pointing to the slot in the list after the one removed. </dd></dl>
</div>
</div>
<a class="anchor" id="ab1b7d9bc2a59c4c67d0123a65a7baab9"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">internal::signal_impl* sigc::signal_base::impl </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">protected</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Returns the signal_impl object encapsulating the list of slots. </p>
<dl class="section return"><dt>Returns</dt><dd>The signal_impl object encapsulating the list of slots. </dd></dl>
</div>
</div>
<a class="anchor" id="a87da23ad801faa9e2b6b4be2a747e757"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="structsigc_1_1signal__base.html#a328b132e5dfb99dbc3aae1e5c3bb0981">iterator_type</a> sigc::signal_base::insert </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structsigc_1_1signal__base.html#a328b132e5dfb99dbc3aae1e5c3bb0981">iterator_type</a> </td>
<td class="paramname"><em>i</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classsigc_1_1slot__base.html">slot_base</a>& </td>
<td class="paramname"><em>slot_</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">protected</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Adds a slot at the given position into the list of slots. </p>
<p>Note that this function does not work during signal emission! </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">i</td><td>An iterator indicating the position where <em>slot_</em> should be inserted. </td></tr>
<tr><td class="paramname">slot_</td><td>The slot to add to the list of slots. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>An iterator pointing to the new slot in the list. </dd></dl>
</div>
</div>
<a class="anchor" id="a90b36a7b33e107ce0af0de895e0df286"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="structsigc_1_1signal__base.html">signal_base</a>& sigc::signal_base::operator= </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structsigc_1_1signal__base.html">signal_base</a>& </td>
<td class="paramname"><em>src</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="a06e0889c75cccc15dcec71a48acae00d"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="structsigc_1_1signal__base.html#aa60e22abd088b6cde2dd50fb3f228aa4">size_type</a> sigc::signal_base::size </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Returns the number of slots in the list. </p>
<dl class="section return"><dt>Returns</dt><dd>The number of slots in the list. </dd></dl>
</div>
</div>
<a class="anchor" id="a6a2ba287d992bcaa87eb71ba8c78c37c"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void sigc::signal_base::unblock </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Unsets the blocking state of all slots in the list. </p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000005">Since libsigc++ 2.4:</a></b></dt><dd></dd></dl>
</div>
</div>
<h2 class="groupheader">Member Data Documentation</h2>
<a class="anchor" id="a747d448c28fd256ef580d165eb69f17a"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">internal::signal_impl* sigc::signal_base::impl_</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">mutable</span><span class="mlabel">protected</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>The signal_impl object encapsulating the slot list. </p>
</div>
</div>
</div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Mon Sep 15 2014 16:00:01 for libsigc++ by  <a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.7
</small></address>
</body>
</html>
distrib
>
Mageia
>
5
>
x86_64
>
media
>
core-release
>
by-pkgid
>
1594165b156266e3a745f0375fa80832
>
files
>
594
