docs/reference/html/structsigc_1_1signal__base.html

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  55 <a href="#pub-types">Public Types</a> &#124;
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  57 <a href="#pro-types">Protected Types</a> &#124;
  58 <a href="#pro-methods">Protected Member Functions</a> &#124;
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  61   <div class="headertitle">
  62 <div class="title">sigc::signal_base Struct Reference<div class="ingroups"><a class="el" href="group__signal.html">Signals</a></div></div>  </div>
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  66 <p>Base class for the <a class="el" href="classsigc_1_1signal.html" title="signal can be used to connect() slots that are invoked during subsequent calls to emit()...">sigc::signal</a># templates.
  67  <a href="structsigc_1_1signal__base.html#details">More...</a></p>
  68
  69 <p><code>#include &lt;sigc++/signal_base.h&gt;</code></p>
  70 <div class="dynheader">
  71 Inheritance diagram for sigc::signal_base:</div>
  72 <div class="dyncontent">
  73 <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>
  74 <map name="sigc_1_1signal__base_inherit__map" id="sigc_1_1signal__base_inherit__map">
  75 <area shape="rect" id="node4" href="classsigc_1_1signal__with__accumulator.html" title="Signal declaration. " alt="" coords="508,5,719,61"/><area shape="rect" id="node5" href="classsigc_1_1signal__with__accumulator.html" title="sigc::signal_with_accumulator\l\&lt; T_return, T_accumulator,\l T_arg...\&gt;" alt="" coords="508,85,719,141"/><area shape="rect" id="node7" href="classsigc_1_1signal__with__accumulator.html" title="sigc::signal_with_accumulator\l\&lt; T_return, void, T_arg...\&gt;" alt="" coords="508,165,719,206"/><area shape="rect" id="node2" href="structsigc_1_1trackable.html" title="Base class for objects with auto&#45;disconnection. " alt="" coords="167,100,281,127"/><area shape="rect" id="node3" href="structsigc_1_1notifiable.html" title="sigc::notifiable" alt="" coords="5,100,119,127"/><area shape="rect" id="node6" href="classsigc_1_1signal_3_01T__return_07T__arg_8_8_8_08_4_1_1accumulated.html" title="Like sigc::signal but the additional template parameter T_accumulator defines the accumulator type th..." alt="" coords="767,85,948,141"/><area shape="rect" id="node8" href="classsigc_1_1signal_3_01T__return_07T__arg_8_8_8_08_4.html" title="sigc::signal\&lt; T_return\l(T_arg...)\&gt;" alt="" coords="777,165,937,206"/></map>
  76 <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
  77 <table class="memberdecls">
  78 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
  79 Public Types</h2></td></tr>
  80 <tr class="memitem:a703c48e69c62ef57801e4d29f84f6e94"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a703c48e69c62ef57801e4d29f84f6e94">size_type</a> = std::size_t</td></tr>
  81 <tr class="separator:a703c48e69c62ef57801e4d29f84f6e94"><td class="memSeparator" colspan="2">&#160;</td></tr>
  82 <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="-"/>&#160;Public Types inherited from <a class="el" href="structsigc_1_1trackable.html">sigc::trackable</a></td></tr>
  83 <tr class="memitem:a1721dff57885c3ff2bc409538ceb8097 inherit pub_types_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#a1721dff57885c3ff2bc409538ceb8097">func_destroy_notify</a> = internal::func_destroy_notify</td></tr>
  84 <tr class="separator:a1721dff57885c3ff2bc409538ceb8097 inherit pub_types_structsigc_1_1trackable"><td class="memSeparator" colspan="2">&#160;</td></tr>
  85 <tr class="inherit_header pub_types_structsigc_1_1notifiable"><td colspan="2" onclick="javascript:toggleInherit('pub_types_structsigc_1_1notifiable')"><img src="closed.png" alt="-"/>&#160;Public Types inherited from <a class="el" href="structsigc_1_1notifiable.html">sigc::notifiable</a></td></tr>
  86 <tr class="memitem:a71455cae4b10ff1277e68a1729e1b8c4 inherit pub_types_structsigc_1_1notifiable"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1notifiable.html#a71455cae4b10ff1277e68a1729e1b8c4">func_destroy_notify</a> = internal::func_destroy_notify</td></tr>
  87 <tr class="separator:a71455cae4b10ff1277e68a1729e1b8c4 inherit pub_types_structsigc_1_1notifiable"><td class="memSeparator" colspan="2">&#160;</td></tr>
  88 </table><table class="memberdecls">
  89 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
  90 Public Member Functions</h2></td></tr>
  91 <tr class="memitem:aff65198ddcb4fbccb644ff853e663e0e"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#aff65198ddcb4fbccb644ff853e663e0e">signal_base</a> () noexcept</td></tr>
  92 <tr class="separator:aff65198ddcb4fbccb644ff853e663e0e"><td class="memSeparator" colspan="2">&#160;</td></tr>
  93 <tr class="memitem:a761e95b8c7b460664d3338ed3eb39543"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a761e95b8c7b460664d3338ed3eb39543">signal_base</a> (const <a class="el" href="structsigc_1_1signal__base.html">signal_base</a>&amp; src) noexcept</td></tr>
  94 <tr class="separator:a761e95b8c7b460664d3338ed3eb39543"><td class="memSeparator" colspan="2">&#160;</td></tr>
  95 <tr class="memitem:a9f8570c89cd5c0b35613570a5ea80154"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a9f8570c89cd5c0b35613570a5ea80154">signal_base</a> (<a class="el" href="structsigc_1_1signal__base.html">signal_base</a>&amp;&amp; src)</td></tr>
  96 <tr class="separator:a9f8570c89cd5c0b35613570a5ea80154"><td class="memSeparator" colspan="2">&#160;</td></tr>
  97 <tr class="memitem:afa2e5807537c989b430015e5ae05a357"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#afa2e5807537c989b430015e5ae05a357">~signal_base</a> ()</td></tr>
  98 <tr class="separator:afa2e5807537c989b430015e5ae05a357"><td class="memSeparator" colspan="2">&#160;</td></tr>
  99 <tr class="memitem:a52fda4806ec9dbc02baa95ce70c13fb0"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a52fda4806ec9dbc02baa95ce70c13fb0">block</a> (bool should_block=true) noexcept</td></tr>
 100 <tr class="memdesc:a52fda4806ec9dbc02baa95ce70c13fb0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the blocking state of all slots in the list.  <a href="#a52fda4806ec9dbc02baa95ce70c13fb0">More...</a><br /></td></tr>
 101 <tr class="separator:a52fda4806ec9dbc02baa95ce70c13fb0"><td class="memSeparator" colspan="2">&#160;</td></tr>
 102 <tr class="memitem:a228da4dd1eac6905dafbc5697086e503"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a228da4dd1eac6905dafbc5697086e503">blocked</a> () const noexcept</td></tr>
 103 <tr class="memdesc:a228da4dd1eac6905dafbc5697086e503"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns whether all slots in the list are blocked.  <a href="#a228da4dd1eac6905dafbc5697086e503">More...</a><br /></td></tr>
 104 <tr class="separator:a228da4dd1eac6905dafbc5697086e503"><td class="memSeparator" colspan="2">&#160;</td></tr>
 105 <tr class="memitem:a17597d66e680d222248c523985f0afd6"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a17597d66e680d222248c523985f0afd6">clear</a> ()</td></tr>
 106 <tr class="memdesc:a17597d66e680d222248c523985f0afd6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Empties the list of slots.  <a href="#a17597d66e680d222248c523985f0afd6">More...</a><br /></td></tr>
 107 <tr class="separator:a17597d66e680d222248c523985f0afd6"><td class="memSeparator" colspan="2">&#160;</td></tr>
 108 <tr class="memitem:a24e7fc4e07ac19cebafe8e3bd71bfe94"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a24e7fc4e07ac19cebafe8e3bd71bfe94">empty</a> () const noexcept</td></tr>
 109 <tr class="memdesc:a24e7fc4e07ac19cebafe8e3bd71bfe94"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns whether the list of slots is empty.  <a href="#a24e7fc4e07ac19cebafe8e3bd71bfe94">More...</a><br /></td></tr>
 110 <tr class="separator:a24e7fc4e07ac19cebafe8e3bd71bfe94"><td class="memSeparator" colspan="2">&#160;</td></tr>
 111 <tr class="memitem:a90b36a7b33e107ce0af0de895e0df286"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1signal__base.html">signal_base</a>&amp;&#160;</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>&amp; src)</td></tr>
 112 <tr class="separator:a90b36a7b33e107ce0af0de895e0df286"><td class="memSeparator" colspan="2">&#160;</td></tr>
 113 <tr class="memitem:a277a34edf44207fb4784807eac5872c6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1signal__base.html">signal_base</a>&amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a277a34edf44207fb4784807eac5872c6">operator=</a> (<a class="el" href="structsigc_1_1signal__base.html">signal_base</a>&amp;&amp; src)</td></tr>
 114 <tr class="separator:a277a34edf44207fb4784807eac5872c6"><td class="memSeparator" colspan="2">&#160;</td></tr>
 115 <tr class="memitem:a0725416f747d6db3c57fa318a9f887a8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1signal__base.html#a703c48e69c62ef57801e4d29f84f6e94">size_type</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a0725416f747d6db3c57fa318a9f887a8">size</a> () const noexcept</td></tr>
 116 <tr class="memdesc:a0725416f747d6db3c57fa318a9f887a8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the number of slots in the list.  <a href="#a0725416f747d6db3c57fa318a9f887a8">More...</a><br /></td></tr>
 117 <tr class="separator:a0725416f747d6db3c57fa318a9f887a8"><td class="memSeparator" colspan="2">&#160;</td></tr>
 118 <tr class="memitem:aebb7ac69ea745cd60c0505f8d553d27f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#aebb7ac69ea745cd60c0505f8d553d27f">unblock</a> () noexcept</td></tr>
 119 <tr class="memdesc:aebb7ac69ea745cd60c0505f8d553d27f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Unsets the blocking state of all slots in the list.  <a href="#aebb7ac69ea745cd60c0505f8d553d27f">More...</a><br /></td></tr>
 120 <tr class="separator:aebb7ac69ea745cd60c0505f8d553d27f"><td class="memSeparator" colspan="2">&#160;</td></tr>
 121 <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="-"/>&#160;Public Member Functions inherited from <a class="el" href="structsigc_1_1trackable.html">sigc::trackable</a></td></tr>
 122 <tr class="memitem:a7e1348841e762fb41b41c6f2ce9fa073 inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#a7e1348841e762fb41b41c6f2ce9fa073">trackable</a> () noexcept</td></tr>
 123 <tr class="separator:a7e1348841e762fb41b41c6f2ce9fa073 inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2">&#160;</td></tr>
 124 <tr class="memitem:ac8431d9452c9698a012597e6560c72fa inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#ac8431d9452c9698a012597e6560c72fa">trackable</a> (const <a class="el" href="structsigc_1_1trackable.html">trackable</a>&amp; src) noexcept</td></tr>
 125 <tr class="separator:ac8431d9452c9698a012597e6560c72fa inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2">&#160;</td></tr>
 126 <tr class="memitem:aba42ed8afb6598106cf68c18a7387f18 inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#aba42ed8afb6598106cf68c18a7387f18">trackable</a> (<a class="el" href="structsigc_1_1trackable.html">trackable</a>&amp;&amp; src)</td></tr>
 127 <tr class="separator:aba42ed8afb6598106cf68c18a7387f18 inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2">&#160;</td></tr>
 128 <tr class="memitem:a75587da09e30031db7a2519843f1f4fb inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#a75587da09e30031db7a2519843f1f4fb">~trackable</a> ()</td></tr>
 129 <tr class="separator:a75587da09e30031db7a2519843f1f4fb inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2">&#160;</td></tr>
 130 <tr class="memitem:a146daab307d37c92b68a974c79ed10b7 inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#a146daab307d37c92b68a974c79ed10b7">add_destroy_notify_callback</a> (<a class="el" href="structsigc_1_1notifiable.html">notifiable</a>* data, <a class="el" href="structsigc_1_1notifiable.html#a71455cae4b10ff1277e68a1729e1b8c4">func_destroy_notify</a> func) const </td></tr>
 131 <tr class="memdesc:a146daab307d37c92b68a974c79ed10b7 inherit pub_methods_structsigc_1_1trackable"><td class="mdescLeft">&#160;</td><td class="mdescRight">Add a callback that is executed (notified) when the trackable object is detroyed.  <a href="#a146daab307d37c92b68a974c79ed10b7">More...</a><br /></td></tr>
 132 <tr class="separator:a146daab307d37c92b68a974c79ed10b7 inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2">&#160;</td></tr>
 133 <tr class="memitem:af2e23cfe7adc1ca844a3350bbac557cb inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#af2e23cfe7adc1ca844a3350bbac557cb">notify_callbacks</a> ()</td></tr>
 134 <tr class="memdesc:af2e23cfe7adc1ca844a3350bbac557cb inherit pub_methods_structsigc_1_1trackable"><td class="mdescLeft">&#160;</td><td class="mdescRight">Execute and remove all previously installed callbacks.  <a href="#af2e23cfe7adc1ca844a3350bbac557cb">More...</a><br /></td></tr>
 135 <tr class="separator:af2e23cfe7adc1ca844a3350bbac557cb inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2">&#160;</td></tr>
 136 <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>&amp;&#160;</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>&amp; src)</td></tr>
 137 <tr class="separator:a7494fbad23a65932ff1457d00d4edaf5 inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2">&#160;</td></tr>
 138 <tr class="memitem:ac3d61cdb452dc46fcdc8a8d42d9c079d inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1trackable.html">trackable</a>&amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#ac3d61cdb452dc46fcdc8a8d42d9c079d">operator=</a> (<a class="el" href="structsigc_1_1trackable.html">trackable</a>&amp;&amp; src)</td></tr>
 139 <tr class="separator:ac3d61cdb452dc46fcdc8a8d42d9c079d inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2">&#160;</td></tr>
 140 <tr class="memitem:a700a7b0a5059a9c8eda2b1a6eb6905f8 inherit pub_methods_structsigc_1_1trackable"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1trackable.html#a700a7b0a5059a9c8eda2b1a6eb6905f8">remove_destroy_notify_callback</a> (<a class="el" href="structsigc_1_1notifiable.html">notifiable</a>* data) const </td></tr>
 141 <tr class="memdesc:a700a7b0a5059a9c8eda2b1a6eb6905f8 inherit pub_methods_structsigc_1_1trackable"><td class="mdescLeft">&#160;</td><td class="mdescRight">Remove a callback previously installed with <a class="el" href="structsigc_1_1trackable.html#a146daab307d37c92b68a974c79ed10b7" title="Add a callback that is executed (notified) when the trackable object is detroyed. ...">add_destroy_notify_callback()</a>.  <a href="#a700a7b0a5059a9c8eda2b1a6eb6905f8">More...</a><br /></td></tr>
 142 <tr class="separator:a700a7b0a5059a9c8eda2b1a6eb6905f8 inherit pub_methods_structsigc_1_1trackable"><td class="memSeparator" colspan="2">&#160;</td></tr>
 143 </table><table class="memberdecls">
 144 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-types"></a>
 145 Protected Types</h2></td></tr>
 146 <tr class="memitem:ac3670b4b1b36db33ebeda3fe46532f85"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a> = <a class="el" href="structsigc_1_1slot__iterator.html">internal::signal_impl::iterator_type</a></td></tr>
 147 <tr class="separator:ac3670b4b1b36db33ebeda3fe46532f85"><td class="memSeparator" colspan="2">&#160;</td></tr>
 148 </table><table class="memberdecls">
 149 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
 150 Protected Member Functions</h2></td></tr>
 151 <tr class="memitem:a5c89a76a27d69c512f554b841b1bd08a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a>&#160;</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>&amp; slot_)</td></tr>
 152 <tr class="memdesc:a5c89a76a27d69c512f554b841b1bd08a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adds a slot at the end of the list of slots.  <a href="#a5c89a76a27d69c512f554b841b1bd08a">More...</a><br /></td></tr>
 153 <tr class="separator:a5c89a76a27d69c512f554b841b1bd08a"><td class="memSeparator" colspan="2">&#160;</td></tr>
 154 <tr class="memitem:a50eab6d37728bbbf3beb21d684a72e6c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a50eab6d37728bbbf3beb21d684a72e6c">connect</a> (<a class="el" href="classsigc_1_1slot__base.html">slot_base</a>&amp;&amp; slot_)</td></tr>
 155 <tr class="memdesc:a50eab6d37728bbbf3beb21d684a72e6c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adds a slot at the end of the list of slots.  <a href="#a50eab6d37728bbbf3beb21d684a72e6c">More...</a><br /></td></tr>
 156 <tr class="separator:a50eab6d37728bbbf3beb21d684a72e6c"><td class="memSeparator" colspan="2">&#160;</td></tr>
 157 <tr class="memitem:a21efc57eea29c3139855909ad4807984"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a>&#160;</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#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a> i)</td></tr>
 158 <tr class="memdesc:a21efc57eea29c3139855909ad4807984"><td class="mdescLeft">&#160;</td><td class="mdescRight">Removes the slot at the given position from the list of slots.  <a href="#a21efc57eea29c3139855909ad4807984">More...</a><br /></td></tr>
 159 <tr class="separator:a21efc57eea29c3139855909ad4807984"><td class="memSeparator" colspan="2">&#160;</td></tr>
 160 <tr class="memitem:ab1b7d9bc2a59c4c67d0123a65a7baab9"><td class="memItemLeft" align="right" valign="top">internal::signal_impl*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#ab1b7d9bc2a59c4c67d0123a65a7baab9">impl</a> () const </td></tr>
 161 <tr class="memdesc:ab1b7d9bc2a59c4c67d0123a65a7baab9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the signal_impl object encapsulating the list of slots.  <a href="#ab1b7d9bc2a59c4c67d0123a65a7baab9">More...</a><br /></td></tr>
 162 <tr class="separator:ab1b7d9bc2a59c4c67d0123a65a7baab9"><td class="memSeparator" colspan="2">&#160;</td></tr>
 163 <tr class="memitem:a87da23ad801faa9e2b6b4be2a747e757"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a>&#160;</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#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a> i, const <a class="el" href="classsigc_1_1slot__base.html">slot_base</a>&amp; slot_)</td></tr>
 164 <tr class="memdesc:a87da23ad801faa9e2b6b4be2a747e757"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adds a slot at the given position into the list of slots.  <a href="#a87da23ad801faa9e2b6b4be2a747e757">More...</a><br /></td></tr>
 165 <tr class="separator:a87da23ad801faa9e2b6b4be2a747e757"><td class="memSeparator" colspan="2">&#160;</td></tr>
 166 <tr class="memitem:aa80c33868910139dd2f511afcc31b687"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#aa80c33868910139dd2f511afcc31b687">insert</a> (<a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a> i, <a class="el" href="classsigc_1_1slot__base.html">slot_base</a>&amp;&amp; slot_)</td></tr>
 167 <tr class="memdesc:aa80c33868910139dd2f511afcc31b687"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adds a slot at the given position into the list of slots.  <a href="#aa80c33868910139dd2f511afcc31b687">More...</a><br /></td></tr>
 168 <tr class="separator:aa80c33868910139dd2f511afcc31b687"><td class="memSeparator" colspan="2">&#160;</td></tr>
 169 </table><table class="memberdecls">
 170 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
 171 Protected Attributes</h2></td></tr>
 172 <tr class="memitem:a747d448c28fd256ef580d165eb69f17a"><td class="memItemLeft" align="right" valign="top">internal::signal_impl*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1signal__base.html#a747d448c28fd256ef580d165eb69f17a">impl_</a></td></tr>
 173 <tr class="memdesc:a747d448c28fd256ef580d165eb69f17a"><td class="mdescLeft">&#160;</td><td class="mdescRight">The signal_impl object encapsulating the slot list.  <a href="#a747d448c28fd256ef580d165eb69f17a">More...</a><br /></td></tr>
 174 <tr class="separator:a747d448c28fd256ef580d165eb69f17a"><td class="memSeparator" colspan="2">&#160;</td></tr>
 175 </table>
 176 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 177 <div class="textblock"><p>Base class for the <a class="el" href="classsigc_1_1signal.html" title="signal can be used to connect() slots that are invoked during subsequent calls to emit()...">sigc::signal</a># templates. </p>
 178 <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="signal can be used to connect() slots that are invoked during subsequent calls to emit()...">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>
 179 <p>sigc::internal::signal_impl is reference-counted. When a <a class="el" href="classsigc_1_1signal.html" title="signal can be used to connect() slots that are invoked during subsequent calls to emit()...">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="signal can be used to connect() slots that are invoked during subsequent calls to emit()...">sigc::signal</a># objects then refer to the same sigc::internal::signal_impl object. </p>
 180 </div><h2 class="groupheader">Member Typedef Documentation</h2>
 181 <a class="anchor" id="ac3670b4b1b36db33ebeda3fe46532f85"></a>
 182 <div class="memitem">
 183 <div class="memproto">
 184 <table class="mlabels">
 185   <tr>
 186   <td class="mlabels-left">
 187       <table class="memname">
 188         <tr>
 189           <td class="memname">using <a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">sigc::signal_base::iterator_type</a> =  <a class="el" href="structsigc_1_1slot__iterator.html">internal::signal_impl::iterator_type</a></td>
 190         </tr>
 191       </table>
 192   </td>
 193   <td class="mlabels-right">
 194 <span class="mlabels"><span class="mlabel">protected</span></span>  </td>
 195   </tr>
 196 </table>
 197 </div><div class="memdoc">
 198
 199 </div>
 200 </div>
 201 <a class="anchor" id="a703c48e69c62ef57801e4d29f84f6e94"></a>
 202 <div class="memitem">
 203 <div class="memproto">
 204       <table class="memname">
 205         <tr>
 206           <td class="memname">using <a class="el" href="structsigc_1_1signal__base.html#a703c48e69c62ef57801e4d29f84f6e94">sigc::signal_base::size_type</a> =  std::size_t</td>
 207         </tr>
 208       </table>
 209 </div><div class="memdoc">
 210
 211 </div>
 212 </div>
 213 <h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
 214 <a class="anchor" id="aff65198ddcb4fbccb644ff853e663e0e"></a>
 215 <div class="memitem">
 216 <div class="memproto">
 217 <table class="mlabels">
 218   <tr>
 219   <td class="mlabels-left">
 220       <table class="memname">
 221         <tr>
 222           <td class="memname">sigc::signal_base::signal_base </td>
 223           <td>(</td>
 224           <td class="paramname"></td><td>)</td>
 225           <td></td>
 226         </tr>
 227       </table>
 228   </td>
 229   <td class="mlabels-right">
 230 <span class="mlabels"><span class="mlabel">noexcept</span></span>  </td>
 231   </tr>
 232 </table>
 233 </div><div class="memdoc">
 234
 235 </div>
 236 </div>
 237 <a class="anchor" id="a761e95b8c7b460664d3338ed3eb39543"></a>
 238 <div class="memitem">
 239 <div class="memproto">
 240 <table class="mlabels">
 241   <tr>
 242   <td class="mlabels-left">
 243       <table class="memname">
 244         <tr>
 245           <td class="memname">sigc::signal_base::signal_base </td>
 246           <td>(</td>
 247           <td class="paramtype">const <a class="el" href="structsigc_1_1signal__base.html">signal_base</a>&amp;&#160;</td>
 248           <td class="paramname"><em>src</em></td><td>)</td>
 249           <td></td>
 250         </tr>
 251       </table>
 252   </td>
 253   <td class="mlabels-right">
 254 <span class="mlabels"><span class="mlabel">noexcept</span></span>  </td>
 255   </tr>
 256 </table>
 257 </div><div class="memdoc">
 258
 259 </div>
 260 </div>
 261 <a class="anchor" id="a9f8570c89cd5c0b35613570a5ea80154"></a>
 262 <div class="memitem">
 263 <div class="memproto">
 264       <table class="memname">
 265         <tr>
 266           <td class="memname">sigc::signal_base::signal_base </td>
 267           <td>(</td>
 268           <td class="paramtype"><a class="el" href="structsigc_1_1signal__base.html">signal_base</a>&amp;&amp;&#160;</td>
 269           <td class="paramname"><em>src</em></td><td>)</td>
 270           <td></td>
 271         </tr>
 272       </table>
 273 </div><div class="memdoc">
 274
 275 </div>
 276 </div>
 277 <a class="anchor" id="afa2e5807537c989b430015e5ae05a357"></a>
 278 <div class="memitem">
 279 <div class="memproto">
 280       <table class="memname">
 281         <tr>
 282           <td class="memname">sigc::signal_base::~signal_base </td>
 283           <td>(</td>
 284           <td class="paramname"></td><td>)</td>
 285           <td></td>
 286         </tr>
 287       </table>
 288 </div><div class="memdoc">
 289
 290 </div>
 291 </div>
 292 <h2 class="groupheader">Member Function Documentation</h2>
 293 <a class="anchor" id="a52fda4806ec9dbc02baa95ce70c13fb0"></a>
 294 <div class="memitem">
 295 <div class="memproto">
 296 <table class="mlabels">
 297   <tr>
 298   <td class="mlabels-left">
 299       <table class="memname">
 300         <tr>
 301           <td class="memname">void sigc::signal_base::block </td>
 302           <td>(</td>
 303           <td class="paramtype">bool&#160;</td>
 304           <td class="paramname"><em>should_block</em> = <code>true</code></td><td>)</td>
 305           <td></td>
 306         </tr>
 307       </table>
 308   </td>
 309   <td class="mlabels-right">
 310 <span class="mlabels"><span class="mlabel">noexcept</span></span>  </td>
 311   </tr>
 312 </table>
 313 </div><div class="memdoc">
 314
 315 <p>Sets the blocking state of all slots in the list. </p>
 316 <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#aebb7ac69ea745cd60c0505f8d553d27f" title="Unsets the blocking state of all slots in the list. ">unblock()</a> or <a class="el" href="structsigc_1_1signal__base.html#a52fda4806ec9dbc02baa95ce70c13fb0" 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#a657a8473164c963a5ca4828c88121bb9" title="Sets the blocking state. ">sigc::slot_base::block()</a> and <a class="el" href="classsigc_1_1slot__base.html#a25ad0bd4d2cea4dbfcd09f7d393d266d" 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>
 317   <table class="params">
 318     <tr><td class="paramname">should_block</td><td>Indicates whether the blocking state should be set or unset.</td></tr>
 319   </table>
 320   </dd>
 321 </dl>
 322 <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>
 323
 324 </div>
 325 </div>
 326 <a class="anchor" id="a228da4dd1eac6905dafbc5697086e503"></a>
 327 <div class="memitem">
 328 <div class="memproto">
 329 <table class="mlabels">
 330   <tr>
 331   <td class="mlabels-left">
 332       <table class="memname">
 333         <tr>
 334           <td class="memname">bool sigc::signal_base::blocked </td>
 335           <td>(</td>
 336           <td class="paramname"></td><td>)</td>
 337           <td> const</td>
 338         </tr>
 339       </table>
 340   </td>
 341   <td class="mlabels-right">
 342 <span class="mlabels"><span class="mlabel">noexcept</span></span>  </td>
 343   </tr>
 344 </table>
 345 </div><div class="memdoc">
 346
 347 <p>Returns whether all slots in the list are blocked. </p>
 348 <dl class="section return"><dt>Returns</dt><dd><code>true</code> if all slots are blocked or the list is empty.</dd></dl>
 349 <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>
 350
 351 </div>
 352 </div>
 353 <a class="anchor" id="a17597d66e680d222248c523985f0afd6"></a>
 354 <div class="memitem">
 355 <div class="memproto">
 356       <table class="memname">
 357         <tr>
 358           <td class="memname">void sigc::signal_base::clear </td>
 359           <td>(</td>
 360           <td class="paramname"></td><td>)</td>
 361           <td></td>
 362         </tr>
 363       </table>
 364 </div><div class="memdoc">
 365
 366 <p>Empties the list of slots. </p>
 367
 368 </div>
 369 </div>
 370 <a class="anchor" id="a5c89a76a27d69c512f554b841b1bd08a"></a>
 371 <div class="memitem">
 372 <div class="memproto">
 373 <table class="mlabels">
 374   <tr>
 375   <td class="mlabels-left">
 376       <table class="memname">
 377         <tr>
 378           <td class="memname"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a> sigc::signal_base::connect </td>
 379           <td>(</td>
 380           <td class="paramtype">const <a class="el" href="classsigc_1_1slot__base.html">slot_base</a>&amp;&#160;</td>
 381           <td class="paramname"><em>slot_</em></td><td>)</td>
 382           <td></td>
 383         </tr>
 384       </table>
 385   </td>
 386   <td class="mlabels-right">
 387 <span class="mlabels"><span class="mlabel">protected</span></span>  </td>
 388   </tr>
 389 </table>
 390 </div><div class="memdoc">
 391
 392 <p>Adds a slot at the end of the list of slots. </p>
 393 <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>
 394   <table class="params">
 395     <tr><td class="paramname">slot_</td><td>The slot to add to the list of slots. </td></tr>
 396   </table>
 397   </dd>
 398 </dl>
 399 <dl class="section return"><dt>Returns</dt><dd>An iterator pointing to the new slot in the list. </dd></dl>
 400
 401 </div>
 402 </div>
 403 <a class="anchor" id="a50eab6d37728bbbf3beb21d684a72e6c"></a>
 404 <div class="memitem">
 405 <div class="memproto">
 406 <table class="mlabels">
 407   <tr>
 408   <td class="mlabels-left">
 409       <table class="memname">
 410         <tr>
 411           <td class="memname"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a> sigc::signal_base::connect </td>
 412           <td>(</td>
 413           <td class="paramtype"><a class="el" href="classsigc_1_1slot__base.html">slot_base</a>&amp;&amp;&#160;</td>
 414           <td class="paramname"><em>slot_</em></td><td>)</td>
 415           <td></td>
 416         </tr>
 417       </table>
 418   </td>
 419   <td class="mlabels-right">
 420 <span class="mlabels"><span class="mlabel">protected</span></span>  </td>
 421   </tr>
 422 </table>
 423 </div><div class="memdoc">
 424
 425 <p>Adds a slot at the end of the list of slots. </p>
 426 <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>
 427   <table class="params">
 428     <tr><td class="paramname">slot_</td><td>The slot to add to the list of slots. </td></tr>
 429   </table>
 430   </dd>
 431 </dl>
 432 <dl class="section return"><dt>Returns</dt><dd>An iterator pointing to the new slot in the list.</dd></dl>
 433 <dl class="since_2_8"><dt><b><a class="el" href="since_2_8.html#_since_2_8000004">Since libsigc++ 2.8:</a></b></dt><dd></dd></dl>
 434
 435 </div>
 436 </div>
 437 <a class="anchor" id="a24e7fc4e07ac19cebafe8e3bd71bfe94"></a>
 438 <div class="memitem">
 439 <div class="memproto">
 440 <table class="mlabels">
 441   <tr>
 442   <td class="mlabels-left">
 443       <table class="memname">
 444         <tr>
 445           <td class="memname">bool sigc::signal_base::empty </td>
 446           <td>(</td>
 447           <td class="paramname"></td><td>)</td>
 448           <td> const</td>
 449         </tr>
 450       </table>
 451   </td>
 452   <td class="mlabels-right">
 453 <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span>  </td>
 454   </tr>
 455 </table>
 456 </div><div class="memdoc">
 457
 458 <p>Returns whether the list of slots is empty. </p>
 459 <dl class="section return"><dt>Returns</dt><dd><code>true</code> if the list of slots is empty. </dd></dl>
 460
 461 </div>
 462 </div>
 463 <a class="anchor" id="a21efc57eea29c3139855909ad4807984"></a>
 464 <div class="memitem">
 465 <div class="memproto">
 466 <table class="mlabels">
 467   <tr>
 468   <td class="mlabels-left">
 469       <table class="memname">
 470         <tr>
 471           <td class="memname"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a> sigc::signal_base::erase </td>
 472           <td>(</td>
 473           <td class="paramtype"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a>&#160;</td>
 474           <td class="paramname"><em>i</em></td><td>)</td>
 475           <td></td>
 476         </tr>
 477       </table>
 478   </td>
 479   <td class="mlabels-right">
 480 <span class="mlabels"><span class="mlabel">protected</span></span>  </td>
 481   </tr>
 482 </table>
 483 </div><div class="memdoc">
 484
 485 <p>Removes the slot at the given position from the list of slots. </p>
 486 <p>Note that this function does not work during signal emission! </p><dl class="params"><dt>Parameters</dt><dd>
 487   <table class="params">
 488     <tr><td class="paramname">i</td><td>An iterator pointing to the slot to be removed. </td></tr>
 489   </table>
 490   </dd>
 491 </dl>
 492 <dl class="section return"><dt>Returns</dt><dd>An iterator pointing to the slot in the list after the one removed. </dd></dl>
 493
 494 </div>
 495 </div>
 496 <a class="anchor" id="ab1b7d9bc2a59c4c67d0123a65a7baab9"></a>
 497 <div class="memitem">
 498 <div class="memproto">
 499 <table class="mlabels">
 500   <tr>
 501   <td class="mlabels-left">
 502       <table class="memname">
 503         <tr>
 504           <td class="memname">internal::signal_impl* sigc::signal_base::impl </td>
 505           <td>(</td>
 506           <td class="paramname"></td><td>)</td>
 507           <td> const</td>
 508         </tr>
 509       </table>
 510   </td>
 511   <td class="mlabels-right">
 512 <span class="mlabels"><span class="mlabel">protected</span></span>  </td>
 513   </tr>
 514 </table>
 515 </div><div class="memdoc">
 516
 517 <p>Returns the signal_impl object encapsulating the list of slots. </p>
 518 <dl class="section return"><dt>Returns</dt><dd>The signal_impl object encapsulating the list of slots. </dd></dl>
 519
 520 </div>
 521 </div>
 522 <a class="anchor" id="a87da23ad801faa9e2b6b4be2a747e757"></a>
 523 <div class="memitem">
 524 <div class="memproto">
 525 <table class="mlabels">
 526   <tr>
 527   <td class="mlabels-left">
 528       <table class="memname">
 529         <tr>
 530           <td class="memname"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a> sigc::signal_base::insert </td>
 531           <td>(</td>
 532           <td class="paramtype"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a>&#160;</td>
 533           <td class="paramname"><em>i</em>, </td>
 534         </tr>
 535         <tr>
 536           <td class="paramkey"></td>
 537           <td></td>
 538           <td class="paramtype">const <a class="el" href="classsigc_1_1slot__base.html">slot_base</a>&amp;&#160;</td>
 539           <td class="paramname"><em>slot_</em>&#160;</td>
 540         </tr>
 541         <tr>
 542           <td></td>
 543           <td>)</td>
 544           <td></td><td></td>
 545         </tr>
 546       </table>
 547   </td>
 548   <td class="mlabels-right">
 549 <span class="mlabels"><span class="mlabel">protected</span></span>  </td>
 550   </tr>
 551 </table>
 552 </div><div class="memdoc">
 553
 554 <p>Adds a slot at the given position into the list of slots. </p>
 555 <p>Note that this function does not work during signal emission! </p><dl class="params"><dt>Parameters</dt><dd>
 556   <table class="params">
 557     <tr><td class="paramname">i</td><td>An iterator indicating the position where <em>slot_</em> should be inserted. </td></tr>
 558     <tr><td class="paramname">slot_</td><td>The slot to add to the list of slots. </td></tr>
 559   </table>
 560   </dd>
 561 </dl>
 562 <dl class="section return"><dt>Returns</dt><dd>An iterator pointing to the new slot in the list. </dd></dl>
 563
 564 </div>
 565 </div>
 566 <a class="anchor" id="aa80c33868910139dd2f511afcc31b687"></a>
 567 <div class="memitem">
 568 <div class="memproto">
 569 <table class="mlabels">
 570   <tr>
 571   <td class="mlabels-left">
 572       <table class="memname">
 573         <tr>
 574           <td class="memname"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a> sigc::signal_base::insert </td>
 575           <td>(</td>
 576           <td class="paramtype"><a class="el" href="structsigc_1_1signal__base.html#ac3670b4b1b36db33ebeda3fe46532f85">iterator_type</a>&#160;</td>
 577           <td class="paramname"><em>i</em>, </td>
 578         </tr>
 579         <tr>
 580           <td class="paramkey"></td>
 581           <td></td>
 582           <td class="paramtype"><a class="el" href="classsigc_1_1slot__base.html">slot_base</a>&amp;&amp;&#160;</td>
 583           <td class="paramname"><em>slot_</em>&#160;</td>
 584         </tr>
 585         <tr>
 586           <td></td>
 587           <td>)</td>
 588           <td></td><td></td>
 589         </tr>
 590       </table>
 591   </td>
 592   <td class="mlabels-right">
 593 <span class="mlabels"><span class="mlabel">protected</span></span>  </td>
 594   </tr>
 595 </table>
 596 </div><div class="memdoc">
 597
 598 <p>Adds a slot at the given position into the list of slots. </p>
 599 <p>Note that this function does not work during signal emission! </p><dl class="params"><dt>Parameters</dt><dd>
 600   <table class="params">
 601     <tr><td class="paramname">i</td><td>An iterator indicating the position where <em>slot_</em> should be inserted. </td></tr>
 602     <tr><td class="paramname">slot_</td><td>The slot to add to the list of slots. </td></tr>
 603   </table>
 604   </dd>
 605 </dl>
 606 <dl class="section return"><dt>Returns</dt><dd>An iterator pointing to the new slot in the list.</dd></dl>
 607 <dl class="since_2_8"><dt><b><a class="el" href="since_2_8.html#_since_2_8000005">Since libsigc++ 2.8:</a></b></dt><dd></dd></dl>
 608
 609 </div>
 610 </div>
 611 <a class="anchor" id="a90b36a7b33e107ce0af0de895e0df286"></a>
 612 <div class="memitem">
 613 <div class="memproto">
 614       <table class="memname">
 615         <tr>
 616           <td class="memname"><a class="el" href="structsigc_1_1signal__base.html">signal_base</a>&amp; sigc::signal_base::operator= </td>
 617           <td>(</td>
 618           <td class="paramtype">const <a class="el" href="structsigc_1_1signal__base.html">signal_base</a>&amp;&#160;</td>
 619           <td class="paramname"><em>src</em></td><td>)</td>
 620           <td></td>
 621         </tr>
 622       </table>
 623 </div><div class="memdoc">
 624
 625 </div>
 626 </div>
 627 <a class="anchor" id="a277a34edf44207fb4784807eac5872c6"></a>
 628 <div class="memitem">
 629 <div class="memproto">
 630       <table class="memname">
 631         <tr>
 632           <td class="memname"><a class="el" href="structsigc_1_1signal__base.html">signal_base</a>&amp; sigc::signal_base::operator= </td>
 633           <td>(</td>
 634           <td class="paramtype"><a class="el" href="structsigc_1_1signal__base.html">signal_base</a>&amp;&amp;&#160;</td>
 635           <td class="paramname"><em>src</em></td><td>)</td>
 636           <td></td>
 637         </tr>
 638       </table>
 639 </div><div class="memdoc">
 640
 641 </div>
 642 </div>
 643 <a class="anchor" id="a0725416f747d6db3c57fa318a9f887a8"></a>
 644 <div class="memitem">
 645 <div class="memproto">
 646 <table class="mlabels">
 647   <tr>
 648   <td class="mlabels-left">
 649       <table class="memname">
 650         <tr>
 651           <td class="memname"><a class="el" href="structsigc_1_1signal__base.html#a703c48e69c62ef57801e4d29f84f6e94">size_type</a> sigc::signal_base::size </td>
 652           <td>(</td>
 653           <td class="paramname"></td><td>)</td>
 654           <td> const</td>
 655         </tr>
 656       </table>
 657   </td>
 658   <td class="mlabels-right">
 659 <span class="mlabels"><span class="mlabel">noexcept</span></span>  </td>
 660   </tr>
 661 </table>
 662 </div><div class="memdoc">
 663
 664 <p>Returns the number of slots in the list. </p>
 665 <dl class="section return"><dt>Returns</dt><dd>The number of slots in the list. </dd></dl>
 666
 667 </div>
 668 </div>
 669 <a class="anchor" id="aebb7ac69ea745cd60c0505f8d553d27f"></a>
 670 <div class="memitem">
 671 <div class="memproto">
 672 <table class="mlabels">
 673   <tr>
 674   <td class="mlabels-left">
 675       <table class="memname">
 676         <tr>
 677           <td class="memname">void sigc::signal_base::unblock </td>
 678           <td>(</td>
 679           <td class="paramname"></td><td>)</td>
 680           <td></td>
 681         </tr>
 682       </table>
 683   </td>
 684   <td class="mlabels-right">
 685 <span class="mlabels"><span class="mlabel">noexcept</span></span>  </td>
 686   </tr>
 687 </table>
 688 </div><div class="memdoc">
 689
 690 <p>Unsets the blocking state of all slots in the list. </p>
 691 <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>
 692
 693 </div>
 694 </div>
 695 <h2 class="groupheader">Member Data Documentation</h2>
 696 <a class="anchor" id="a747d448c28fd256ef580d165eb69f17a"></a>
 697 <div class="memitem">
 698 <div class="memproto">
 699 <table class="mlabels">
 700   <tr>
 701   <td class="mlabels-left">
 702       <table class="memname">
 703         <tr>
 704           <td class="memname">internal::signal_impl* sigc::signal_base::impl_</td>
 705         </tr>
 706       </table>
 707   </td>
 708   <td class="mlabels-right">
 709 <span class="mlabels"><span class="mlabel">mutable</span><span class="mlabel">protected</span></span>  </td>
 710   </tr>
 711 </table>
 712 </div><div class="memdoc">
 713
 714 <p>The signal_impl object encapsulating the slot list. </p>
 715
 716 </div>
 717 </div>
 718 </div><!-- contents -->
 719 <!-- start footer part -->
 720 <hr class="footer"/><address class="footer"><small>
 721 Generated on Wed Mar 16 2016 20:53:28 for libsigc++ by &#160;<a href="http://www.doxygen.org/index.html">
 722 <img class="footer" src="doxygen.png" alt="doxygen"/>
 723 </a> 1.8.9.1
 724 </small></address>
 725 </body>
 726 </html>