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<title>navit: navigation.h File Reference</title>
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<div id="projectname">navit
 <span id="projectnumber">0.5.3-trunk</span>
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<div class="header">
<div class="summary">
<a href="#define-members">Macros</a> |
<a href="#enum-members">Enumerations</a> |
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">navigation.h File Reference</div> </div>
</div><!--header-->
<div class="contents">
<p><a href="navigation_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:ae12f53427fba2f2790098221f27e8cee"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#ae12f53427fba2f2790098221f27e8cee">FEET_PER_METER</a>   3.2808399</td></tr>
<tr class="separator:ae12f53427fba2f2790098221f27e8cee"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adf409a6032c8d9d39196543724e92836"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#adf409a6032c8d9d39196543724e92836">FEET_PER_MILE</a>   5280</td></tr>
<tr class="separator:adf409a6032c8d9d39196543724e92836"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a32886caa8cb9a4c8aa583a0f6124bfe6"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#a32886caa8cb9a4c8aa583a0f6124bfe6">KILOMETERS_TO_MILES</a>   0.62137119 /* Kilometers to miles */</td></tr>
<tr class="separator:a32886caa8cb9a4c8aa583a0f6124bfe6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad2c9af5d6ed9fc71aadbac0899451945"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#ad2c9af5d6ed9fc71aadbac0899451945">METERS_TO_MILES</a>   (<a class="el" href="navigation_8h.html#a32886caa8cb9a4c8aa583a0f6124bfe6">KILOMETERS_TO_MILES</a>/1000.0) /* Meters to miles */</td></tr>
<tr class="separator:ad2c9af5d6ed9fc71aadbac0899451945"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a977822f448c2c2a69f846839d085fc98"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#a977822f448c2c2a69f846839d085fc98">MPS_TO_KPH</a>   3.6</td></tr>
<tr class="separator:a977822f448c2c2a69f846839d085fc98"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:a7ade999856f5b83d663486411f753860"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860">nav_status</a> { <br />
  <a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860ad38988001a09398f8fe58fa4ab604821">status_invalid</a> = -2,
<a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860a234d3868cd10dcfa742c18df16e51506">status_no_route</a> = -1,
<a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860a3b217d744d8ea3f824bfcce4763d29a6">status_no_destination</a> = 0,
<a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860a4f909d5123ef2c2d18501349471d9019">status_position_wait</a> = 1,
<br />
  <a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860ab8cca9ec8e362d97afa4d07054e9de83">status_calculating</a> = 2,
<a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860a59c814c24dc2a3cad117199eb1c9bb43">status_recalculating</a> = 3,
<a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860aea78c4801c1cd8cc173ba7680e549901">status_routing</a> = 4
<br />
}</td></tr>
<tr class="separator:a7ade999856f5b83d663486411f753860"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ab61fd72ab5180f84206c1619b60c201d"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#ab61fd72ab5180f84206c1619b60c201d">nav_status_to_text</a> (int status)</td></tr>
<tr class="memdesc:ab61fd72ab5180f84206c1619b60c201d"><td class="mdescLeft"> </td><td class="mdescRight">Converts navigation status to human-readable text. <a href="#ab61fd72ab5180f84206c1619b60c201d">More...</a><br /></td></tr>
<tr class="separator:ab61fd72ab5180f84206c1619b60c201d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af52411918a519cbfb8ee3dd4be14b178"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#af52411918a519cbfb8ee3dd4be14b178">navigation_get_attr</a> (struct <a class="el" href="structnavigation.html">navigation</a> *this_, enum <a class="el" href="attr_8h.html#a9a9ab3c12bda86add06f89976f36f98c">attr_type</a> <a class="el" href="garmin__img_8c.html#a8f7b0321b1954f07b747aeb1e311814e">type</a>, struct <a class="el" href="structattr.html">attr</a> *<a class="el" href="structattr.html">attr</a>, struct <a class="el" href="structattr__iter.html">attr_iter</a> *iter)</td></tr>
<tr class="separator:af52411918a519cbfb8ee3dd4be14b178"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af44538ba61ffd85df204d405749f6029"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#af44538ba61ffd85df204d405749f6029">navigation_set_attr</a> (struct <a class="el" href="structnavigation.html">navigation</a> *this_, struct <a class="el" href="structattr.html">attr</a> *<a class="el" href="structattr.html">attr</a>)</td></tr>
<tr class="separator:af44538ba61ffd85df204d405749f6029"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1bd603240f52e2622daf7c2e33901f03"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structnavigation.html">navigation</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#a1bd603240f52e2622daf7c2e33901f03">navigation_new</a> (struct <a class="el" href="structattr.html">attr</a> *<a class="el" href="structparent.html">parent</a>, struct <a class="el" href="structattr.html">attr</a> **attrs)</td></tr>
<tr class="separator:a1bd603240f52e2622daf7c2e33901f03"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae35ea203f309dddf0f4177a292994a73"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#ae35ea203f309dddf0f4177a292994a73">navigation_set_announce</a> (struct <a class="el" href="structnavigation.html">navigation</a> *this_, enum <a class="el" href="item_8h.html#a2679318a14061852e50df3c6e4e42f62">item_type</a> <a class="el" href="garmin__img_8c.html#a8f7b0321b1954f07b747aeb1e311814e">type</a>, int *<a class="el" href="structlevel.html">level</a>)</td></tr>
<tr class="separator:ae35ea203f309dddf0f4177a292994a73"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad3dfa1aabdcb3ee153eddbb91d5c6782"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#ad3dfa1aabdcb3ee153eddbb91d5c6782">navigation_destroy</a> (struct <a class="el" href="structnavigation.html">navigation</a> *this_)</td></tr>
<tr class="separator:ad3dfa1aabdcb3ee153eddbb91d5c6782"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a141e6722ebe071a7c2aa48ac2a16e888"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#a141e6722ebe071a7c2aa48ac2a16e888">navigation_register_callback</a> (struct <a class="el" href="structnavigation.html">navigation</a> *this_, enum <a class="el" href="attr_8h.html#a9a9ab3c12bda86add06f89976f36f98c">attr_type</a> <a class="el" href="garmin__img_8c.html#a8f7b0321b1954f07b747aeb1e311814e">type</a>, struct <a class="el" href="structcallback.html">callback</a> *cb)</td></tr>
<tr class="memdesc:a141e6722ebe071a7c2aa48ac2a16e888"><td class="mdescLeft"> </td><td class="mdescRight">Registers a new callback function. <a href="#a141e6722ebe071a7c2aa48ac2a16e888">More...</a><br /></td></tr>
<tr class="separator:a141e6722ebe071a7c2aa48ac2a16e888"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a22c0a776e9a1c462ce9bbf6d8ebb4d24"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#a22c0a776e9a1c462ce9bbf6d8ebb4d24">navigation_unregister_callback</a> (struct <a class="el" href="structnavigation.html">navigation</a> *this_, enum <a class="el" href="attr_8h.html#a9a9ab3c12bda86add06f89976f36f98c">attr_type</a> <a class="el" href="garmin__img_8c.html#a8f7b0321b1954f07b747aeb1e311814e">type</a>, struct <a class="el" href="structcallback.html">callback</a> *cb)</td></tr>
<tr class="memdesc:a22c0a776e9a1c462ce9bbf6d8ebb4d24"><td class="mdescLeft"> </td><td class="mdescRight">Unregisters a callback function. <a href="#a22c0a776e9a1c462ce9bbf6d8ebb4d24">More...</a><br /></td></tr>
<tr class="separator:a22c0a776e9a1c462ce9bbf6d8ebb4d24"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0a8a5f4e94a4c775901bfeccc4801bd6"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structmap.html">map</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#a0a8a5f4e94a4c775901bfeccc4801bd6">navigation_get_map</a> (struct <a class="el" href="structnavigation.html">navigation</a> *this_)</td></tr>
<tr class="separator:a0a8a5f4e94a4c775901bfeccc4801bd6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adedaab7a3c765b3fd3f44d76a2b18d30"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#adedaab7a3c765b3fd3f44d76a2b18d30">navigation_set_route</a> (struct <a class="el" href="structnavigation.html">navigation</a> *this_, struct <a class="el" href="structroute.html">route</a> *<a class="el" href="structroute.html">route</a>)</td></tr>
<tr class="separator:adedaab7a3c765b3fd3f44d76a2b18d30"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0365f749e045fe22436cb4418a7a96e4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="navigation_8h.html#a0365f749e045fe22436cb4418a7a96e4">navigation_init</a> (void)</td></tr>
<tr class="separator:a0365f749e045fe22436cb4418a7a96e4"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a id="ae12f53427fba2f2790098221f27e8cee"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae12f53427fba2f2790098221f27e8cee">◆ </a></span>FEET_PER_METER</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define FEET_PER_METER   3.2808399</td>
</tr>
</table>
</div><div class="memdoc">
<p>Navit, a modular navigation system. Copyright (C) 2005-2008 Navit Team</p>
<p>This program is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License version 2 as published by the Free Software Foundation.</p>
<p>This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details.</p>
<p>You should have received a copy of the GNU Library General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. </p>
<p class="reference">Referenced by <a class="el" href="osd__core_8c.html#a5bb307bf8e4b8fc62ddfa7d4e7033ade">format_distance()</a>, <a class="el" href="osd__core_8c.html#a048f90976bc0dfeaf113835e2e92e595">format_speed()</a>, <a class="el" href="navigation_8c.html#a55fdd8d56acdf0069268354fca794ab3">get_distance_str()</a>, <a class="el" href="gui__gtk__poi_8c.html#a139bd4131511ebd1499b9c0ccc454492">model_poi()</a>, <a class="el" href="group__navit.html#ga9840d0a2ac5a308e1249fdda78e87dc0">navit_window_roadbook_update()</a>, and <a class="el" href="gui__gtk__statusbar_8c.html#a798ad4510fcf2ee073cf71d5b859a549">statusbar_route_update()</a>.</p>
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<a id="adf409a6032c8d9d39196543724e92836"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adf409a6032c8d9d39196543724e92836">◆ </a></span>FEET_PER_MILE</h2>
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<td class="memname">#define FEET_PER_MILE   5280</td>
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<p class="reference">Referenced by <a class="el" href="osd__core_8c.html#a5bb307bf8e4b8fc62ddfa7d4e7033ade">format_distance()</a>, and <a class="el" href="osd__core_8c.html#a048f90976bc0dfeaf113835e2e92e595">format_speed()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a32886caa8cb9a4c8aa583a0f6124bfe6">◆ </a></span>KILOMETERS_TO_MILES</h2>
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<td class="memname">#define KILOMETERS_TO_MILES   0.62137119 /* Kilometers to miles */</td>
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<p class="reference">Referenced by <a class="el" href="gui__gtk__statusbar_8c.html#a798ad4510fcf2ee073cf71d5b859a549">statusbar_route_update()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad2c9af5d6ed9fc71aadbac0899451945">◆ </a></span>METERS_TO_MILES</h2>
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<td class="memname">#define METERS_TO_MILES   (<a class="el" href="navigation_8h.html#a32886caa8cb9a4c8aa583a0f6124bfe6">KILOMETERS_TO_MILES</a>/1000.0) /* Meters to miles */</td>
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<p class="reference">Referenced by <a class="el" href="navigation_8c.html#a55fdd8d56acdf0069268354fca794ab3">get_distance_str()</a>, <a class="el" href="gui__gtk__poi_8c.html#a139bd4131511ebd1499b9c0ccc454492">model_poi()</a>, and <a class="el" href="group__navit.html#ga9840d0a2ac5a308e1249fdda78e87dc0">navit_window_roadbook_update()</a>.</p>
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<a id="a977822f448c2c2a69f846839d085fc98"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a977822f448c2c2a69f846839d085fc98">◆ </a></span>MPS_TO_KPH</h2>
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<td class="memname">#define MPS_TO_KPH   3.6</td>
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<p class="reference">Referenced by <a class="el" href="group__vehicle-gpsd.html#gadbd0d4ba03eee5e96ead3fcca9496f2c">vehicle_gpsd_callback()</a>.</p>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
<a id="a7ade999856f5b83d663486411f753860"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7ade999856f5b83d663486411f753860">◆ </a></span>nav_status</h2>
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<td class="memname">enum <a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860">nav_status</a></td>
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<p>Values for the</p><div class="fragment"><div class="line"><a class="code" href="navigation_8h.html#a7ade999856f5b83d663486411f753860">nav_status</a> </div></div><!-- fragment --><p> attribute </p>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a7ade999856f5b83d663486411f753860ad38988001a09398f8fe58fa4ab604821"></a>status_invalid </td><td class="fielddoc"><p>Status is unknown. The</p><div class="fragment"><div class="line">nav_status </div></div><!-- fragment --><p> attribute will never return this value but code that listens to changes to this attribute may use this value as a placeholder until the first actual status has been obtained. </p>
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<tr><td class="fieldname"><a id="a7ade999856f5b83d663486411f753860a234d3868cd10dcfa742c18df16e51506"></a>status_no_route </td><td class="fielddoc"><p>No route was found </p>
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<tr><td class="fieldname"><a id="a7ade999856f5b83d663486411f753860a3b217d744d8ea3f824bfcce4763d29a6"></a>status_no_destination </td><td class="fielddoc"><p>No destination set, not routing </p>
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<tr><td class="fieldname"><a id="a7ade999856f5b83d663486411f753860a4f909d5123ef2c2d18501349471d9019"></a>status_position_wait </td><td class="fielddoc"><p>Destination is set but current position is unknown </p>
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<tr><td class="fieldname"><a id="a7ade999856f5b83d663486411f753860ab8cca9ec8e362d97afa4d07054e9de83"></a>status_calculating </td><td class="fielddoc"><p>A new route is being calculated and turn instructions are being generated </p>
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<tr><td class="fieldname"><a id="a7ade999856f5b83d663486411f753860a59c814c24dc2a3cad117199eb1c9bb43"></a>status_recalculating </td><td class="fielddoc"><p>The existing route is being recalculated, along with its turn instructions. Note that as the vehicle follows a route, status will flip between </p><div class="fragment"><div class="line">status_routing </div></div><!-- fragment --><p> and</p><div class="fragment"><div class="line">status_recalculating </div></div><!-- fragment --><p> with every position update. </p>
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<tr><td class="fieldname"><a id="a7ade999856f5b83d663486411f753860aea78c4801c1cd8cc173ba7680e549901"></a>status_routing </td><td class="fielddoc"><p>A route with turn instructions has been calculated and the user is being guided along it </p>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ab61fd72ab5180f84206c1619b60c201d">◆ </a></span>nav_status_to_text()</h2>
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<td class="memname">char* nav_status_to_text </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>status</em></td><td>)</td>
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<p>Converts navigation status to human-readable text. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">The</td><td>status. This must be one of the values for<div class="fragment"><div class="line"><span class="keyword">enum</span> <a class="code" href="navigation_8h.html#a7ade999856f5b83d663486411f753860">nav_status</a> </div></div><!-- fragment --> .</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>A string which corresponds to the constant value. The caller is responsible for calling <div class="fragment"><div class="line">g_free() </div></div><!-- fragment --> when the result is no longer needed. </dd></dl>
<p class="reference">References <a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860ab8cca9ec8e362d97afa4d07054e9de83">status_calculating</a>, <a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860ad38988001a09398f8fe58fa4ab604821">status_invalid</a>, <a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860a3b217d744d8ea3f824bfcce4763d29a6">status_no_destination</a>, <a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860a234d3868cd10dcfa742c18df16e51506">status_no_route</a>, <a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860a4f909d5123ef2c2d18501349471d9019">status_position_wait</a>, <a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860a59c814c24dc2a3cad117199eb1c9bb43">status_recalculating</a>, and <a class="el" href="navigation_8h.html#a7ade999856f5b83d663486411f753860aea78c4801c1cd8cc173ba7680e549901">status_routing</a>.</p>
<p class="reference">Referenced by <a class="el" href="attr_8h.html#a90e7f35e990d0703bd01be1e95b2edc9">attr_to_text_ext()</a>, and <a class="el" href="osd__core_8c.html#a31508e7bce72fa26ea10c53396dccfc1">osd_navigation_status_draw_do()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad3dfa1aabdcb3ee153eddbb91d5c6782">◆ </a></span>navigation_destroy()</h2>
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<td class="memname">void navigation_destroy </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structnavigation.html">navigation</a> * </td>
<td class="paramname"><em>this_</em></td><td>)</td>
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<p class="reference">References <a class="el" href="structnavigation.html#afa0345b5205e539024c81033eaaeb315">navigation::callback</a>, <a class="el" href="callback_8c.html#aeaefe3bee8fe757346872e563d1358a4">callback_list_destroy()</a>, <a class="el" href="structnavigation.html#a41dad16592fa0c25fa9f7cef5a5b1c76">navigation::callback_speech</a>, <a class="el" href="structnavigation.html#af3eaaff4e92ef71858608a23ac36be5c">navigation::hash</a>, <a class="el" href="item_8c.html#aa86dd5c691e5d0d7dae98db2f0017018">item_hash_destroy()</a>, and <a class="el" href="navigation_8c.html#a04b8b7a26b66c823ce96854c8d574c87">navigation_flush()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af52411918a519cbfb8ee3dd4be14b178">◆ </a></span>navigation_get_attr()</h2>
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<td class="memname">int navigation_get_attr </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structnavigation.html">navigation</a> * </td>
<td class="paramname"><em>this_</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">enum <a class="el" href="attr_8h.html#a9a9ab3c12bda86add06f89976f36f98c">attr_type</a> </td>
<td class="paramname"><em>type</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="structattr.html">attr</a> * </td>
<td class="paramname"><em>attr</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="structattr__iter.html">attr_iter</a> * </td>
<td class="paramname"><em>iter</em> </td>
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<td></td>
<td>)</td>
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<p class="reference">References <a class="el" href="attr_8c.html#ae13d70b1ff7bbf7abf2586f15590f253">attr_to_name()</a>, <a class="el" href="debug_8h.html#aba3c0ccefe6daa8941b173073268729e">dbg</a>, <a class="el" href="osm_8c.html#a1b6910c37842678ed6084354f57f6260">item</a>, <a class="el" href="item_8c.html#a1f97d6a6d85956aa73deb31d4a16397f">item_attr_get()</a>, <a class="el" href="structattr.html#a0cbe965ed8abdd4621c7fc07fc694e6a">attr::item_type</a>, <a class="el" href="debug_8h.html#a3ce13c42b29fe2a7552478859b7f3c25aa4a22485b46e3407434f1093e42867d4">lvl_debug</a>, <a class="el" href="structnavigation.html#a79a1f780fc810880ac3291eb317b050a">navigation::map</a>, <a class="el" href="structattr.html#ac07d1f64702eb46e7cc36bbb67d388a9">attr::map</a>, <a class="el" href="map_8c.html#afe7311d63f1e8a4a697634cf79329f7d">map_rect_destroy()</a>, <a class="el" href="map_8c.html#ae025c855207536977afd84d39b316e9c">map_rect_get_item()</a>, <a class="el" href="map_8c.html#a52e6ae5ec3beaec49ce12ce603d7d72a">map_rect_new()</a>, <a class="el" href="structnavigation.html#aaa0fba8756cbd110fc3ab7e775a7235f">navigation::nav_status</a>, <a class="el" href="xmlconfig_8c.html#a23961ccaf9ae2f89b0397fe64953dcb3">navit_object_get_attr()</a>, <a class="el" href="structattr.html#aebf8c468883c8a41033b97c2ae91003b">attr::num</a>, <a class="el" href="structnavigation.html#acb5c9893541faf86ba66f9d389f17e61">navigation::turn_around_count</a>, <a class="el" href="structitem.html#a3abafd36669ef817be82676acd8e5989">item::type</a>, <a class="el" href="garmin__img_8c.html#a8f7b0321b1954f07b747aeb1e311814e">type</a>, <a class="el" href="structattr.html#acbbeecb9ce16c2d7973d0bd2ff544457">attr::type</a>, and <a class="el" href="structattr.html#a682d33096ece5ad806426918c15c4b10">attr::u</a>.</p>
<p class="reference">Referenced by <a class="el" href="navigation_8h.html#a141e6722ebe071a7c2aa48ac2a16e888">navigation_register_callback()</a>, <a class="el" href="navigation_8h.html#a22c0a776e9a1c462ce9bbf6d8ebb4d24">navigation_unregister_callback()</a>, <a class="el" href="osd__core_8c.html#abbb620baa02edaa3e6791b74aebdfd2d">osd_navigation_status_draw()</a>, <a class="el" href="osd__core_8c.html#adc66e4993642c241acad607deb5037e0">osd_navigation_status_init()</a>, and <a class="el" href="binding__dbus_8c.html#a86be29f7fbfe98e943549a3b7af1ee1b">request_navigation_get_attr()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0a8a5f4e94a4c775901bfeccc4801bd6">◆ </a></span>navigation_get_map()</h2>
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<td class="memname">struct <a class="el" href="structmap.html">map</a>* navigation_get_map </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structnavigation.html">navigation</a> * </td>
<td class="paramname"><em>this_</em></td><td>)</td>
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<p class="reference">References <a class="el" href="structattr.html#a464cf684a789545b3ad0242e4e704701">attr::attrs</a>, <a class="el" href="garmin__img_8c.html#a433b1c9921d3b90f7c145c781a43f325">data</a>, <a class="el" href="destination_8c.html#a83a6bff093a1144aca515982229c94ca">description()</a>, <a class="el" href="structnavigation.html#a79a1f780fc810880ac3291eb317b050a">navigation::map</a>, <a class="el" href="map_8c.html#a9a8864bcc7e1f687fe52c38b36bcad63">map_new()</a>, <a class="el" href="structattr.html#a29f2bd8e2bb08429d7f319414c600bfc">attr::navigation</a>, <a class="el" href="structattr.html#a2a2a2da11501e5c4b5464938c91b87e9">attr::str</a>, <a class="el" href="garmin__img_8c.html#a8f7b0321b1954f07b747aeb1e311814e">type</a>, <a class="el" href="structattr.html#acbbeecb9ce16c2d7973d0bd2ff544457">attr::type</a>, and <a class="el" href="structattr.html#a682d33096ece5ad806426918c15c4b10">attr::u</a>.</p>
<p class="reference">Referenced by <a class="el" href="gui__internal__priv_8h.html#a256ca02bb66cea534b532813ec454cf8">gui_internal_populate_route_table()</a>, <a class="el" href="binding_2python_2navigation_8c.html#a2bd5240725308464e64961ec14a30013">navigation_get_map_py()</a>, <a class="el" href="group__navit.html#ga31c95e8cc4ef3f3eaf9719c755505582">navit_init()</a>, <a class="el" href="group__navit.html#gabba2aaa70e0a245d0bf4d84d0884e374">navit_speak()</a>, <a class="el" href="group__navit.html#ga9840d0a2ac5a308e1249fdda78e87dc0">navit_window_roadbook_update()</a>, <a class="el" href="osd__core_8c.html#a0c9ad7b4a3685122f1d9c384df3b9b1a">osd_nav_next_turn_draw()</a>, <a class="el" href="osd__core_8c.html#ad1b3aad9b6f3d02df61bea4c5759ebb4">osd_text_draw()</a>, <a class="el" href="binding__dbus_8c.html#a048f93e084c152c01ee24892e9c285b8">request_navit_route_export_geojson()</a>, <a class="el" href="binding__dbus_8c.html#abfa39940de8d6661f0e696a9a5d4f922">request_navit_route_export_gpx()</a>, and <a class="el" href="gui__gtk__statusbar_8c.html#a798ad4510fcf2ee073cf71d5b859a549">statusbar_route_update()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0365f749e045fe22436cb4418a7a96e4">◆ </a></span>navigation_init()</h2>
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<td class="memname">void navigation_init </td>
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<td class="paramtype">void </td>
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<p class="reference">References <a class="el" href="navigation_8c.html#a2a64ab71c643549133e6e1b308d7fcb0">navigation_map_new()</a>.</p>
<p class="reference">Referenced by <a class="el" href="start__real_8h.html#ade1addd7471c6aa824c4f9fca7b2abba">main_real()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1bd603240f52e2622daf7c2e33901f03">◆ </a></span>navigation_new()</h2>
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<td class="memname">struct <a class="el" href="structnavigation.html">navigation</a>* navigation_new </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structattr.html">attr</a> * </td>
<td class="paramname"><em>parent</em>, </td>
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<td class="paramtype">struct <a class="el" href="structattr.html">attr</a> ** </td>
<td class="paramname"><em>attrs</em> </td>
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<p class="reference">References <a class="el" href="structnavigation.html#a91526af69c26d512570fcfd97f5fb24e">navigation::announce</a>, <a class="el" href="attr_8c.html#ac6577d49e590de0f9012c729a315c7cc">attr_search()</a>, <a class="el" href="structnavigation.html#afa0345b5205e539024c81033eaaeb315">navigation::callback</a>, <a class="el" href="callback_8c.html#affc2e9963cff9676464c343b7ce2e1e8">callback_list_new()</a>, <a class="el" href="structnavigation.html#a41dad16592fa0c25fa9f7cef5a5b1c76">navigation::callback_speech</a>, <a class="el" href="structnavigation.html#a748c380840715de6cfd65ab9992394b6">navigation::delay</a>, <a class="el" href="structnavigation.html#aa354a1ce655f0ad3f57dcc2134349b12">navigation::distance_turn</a>, <a class="el" href="structnavigation.html#aef2f4b36fe138e84d0118867ad5b25f7">navigation::flags</a>, <a class="el" href="structnavigation.html#af3eaaff4e92ef71858608a23ac36be5c">navigation::hash</a>, <a class="el" href="item_8c.html#a4190cfc99994730f61b3c180927f0e96">item_hash_new()</a>, <a class="el" href="structnavigation.html#a85d97d4c2cbc0856926f011912fdfd1a">navigation::level_last</a>, <a class="el" href="navigation_8c.html#a67657ae1ed8eaea55d26b24c019d66bd">navigation_func</a>, <a class="el" href="structattr.html#a576c54eef88d68f04e82350dba0cb88c">attr::navit</a>, <a class="el" href="structnavigation.html#a40bcbccb2bd94ecd84ecd56aa2f243ae">navigation::navit</a>, <a class="el" href="xmlconfig_8c.html#a320a24bc9f8d32d908713329edeb0516">navit_object_new()</a>, <a class="el" href="structattr.html#aebf8c468883c8a41033b97c2ae91003b">attr::num</a>, <a class="el" href="item_8h.html#aec7ed308d7bf84da6a2012b02207a822">route_item_first</a>, <a class="el" href="item_8h.html#a385bcf44c2e29e93b6ea337616e5931d">route_item_last</a>, <a class="el" href="structnavigation.html#a648ac9b17c700de7a9f0f7199764d3cc">navigation::route_mr</a>, <a class="el" href="structnavigation.html#a7d42d247a2439c8e7e47c91fe0012cc3">navigation::tell_street_name</a>, <a class="el" href="structnavigation.html#a61f6723e0c62ff2f05a0b7fd28d7a38c">navigation::turn_around_limit</a>, and <a class="el" href="structattr.html#a682d33096ece5ad806426918c15c4b10">attr::u</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a141e6722ebe071a7c2aa48ac2a16e888">◆ </a></span>navigation_register_callback()</h2>
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<td class="memname">int navigation_register_callback </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structnavigation.html">navigation</a> * </td>
<td class="paramname"><em>this_</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">enum <a class="el" href="attr_8h.html#a9a9ab3c12bda86add06f89976f36f98c">attr_type</a> </td>
<td class="paramname"><em>type</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="structcallback.html">callback</a> * </td>
<td class="paramname"><em>cb</em> </td>
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<p>Registers a new callback function. </p>
<p>Callback functions are called whenever the attribute for which they are registered changes. It is possible to register callbacks for</p><div class="fragment"><div class="line">attr_any </div></div><!-- fragment --><p> , which will fire on any change.</p>
<p>The</p><div class="fragment"><div class="line"><a class="code" href="structnavigation.html">navigation</a> </div></div><!-- fragment --><p> object has three callback lists. They differ by the arguments which are passed to the callback function and are selected based on the attribute type: </p><ul>
<li>
Callbacks for the<div class="fragment"><div class="line">navigation_speech </div></div><!-- fragment --> attribute are added to the <div class="fragment"><div class="line">callback_speech </div></div><!-- fragment --> list. </li>
<li>
Callbacks for the<div class="fragment"><div class="line">navigation_long </div></div><!-- fragment --> attribute are added to the<div class="fragment"><div class="line"><a class="code" href="structcallback.html">callback</a> </div></div><!-- fragment --> list. </li>
<li>
Callbacks for any other attribute, including<div class="fragment"><div class="line">attr_any </div></div><!-- fragment --> , are added to the list stored in the<div class="fragment"><div class="line"><a class="code" href="structcallback__list.html">callback_list</a> </div></div><!-- fragment --> attribute. This functionality is inherited from <div class="fragment"><div class="line"><a class="code" href="structnavit__object.html">navit_object</a> </div></div><!-- fragment --> . </li>
</ul>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">this_</td><td>The navigation object. </td></tr>
<tr><td class="paramname">type</td><td>The attribute type </td></tr>
<tr><td class="paramname">cb</td><td>The callback function</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>true on success, false on failure </dd></dl>
<p class="reference">References <a class="el" href="structnavigation.html#afa0345b5205e539024c81033eaaeb315">navigation::callback</a>, <a class="el" href="structattr.html#ab23a65e41997a8b784ca269170bfb561">attr::callback_list</a>, <a class="el" href="callback_8c.html#a73fb26714769874fc25af119bbeeab1b">callback_list_add()</a>, <a class="el" href="structnavigation.html#a41dad16592fa0c25fa9f7cef5a5b1c76">navigation::callback_speech</a>, <a class="el" href="navigation_8c.html#af52411918a519cbfb8ee3dd4be14b178">navigation_get_attr()</a>, and <a class="el" href="structattr.html#a682d33096ece5ad806426918c15c4b10">attr::u</a>.</p>
<p class="reference">Referenced by <a class="el" href="group__navit.html#ga31c95e8cc4ef3f3eaf9719c755505582">navit_init()</a>, <a class="el" href="group__navit.html#gab2579b94d38d34257aab8259820a35be">navit_window_roadbook_new()</a>, and <a class="el" href="osd__core_8c.html#adc66e4993642c241acad607deb5037e0">osd_navigation_status_init()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae35ea203f309dddf0f4177a292994a73">◆ </a></span>navigation_set_announce()</h2>
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<td class="memname">int navigation_set_announce </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structnavigation.html">navigation</a> * </td>
<td class="paramname"><em>this_</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">enum <a class="el" href="item_8h.html#a2679318a14061852e50df3c6e4e42f62">item_type</a> </td>
<td class="paramname"><em>type</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname"><em>level</em> </td>
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<td>)</td>
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<p class="reference">References <a class="el" href="structnavigation.html#a91526af69c26d512570fcfd97f5fb24e">navigation::announce</a>, <a class="el" href="debug_8h.html#aba3c0ccefe6daa8941b173073268729e">dbg</a>, <a class="el" href="debug_8h.html#a3ce13c42b29fe2a7552478859b7f3c25aa4a22485b46e3407434f1093e42867d4">lvl_debug</a>, <a class="el" href="item_8h.html#aec7ed308d7bf84da6a2012b02207a822">route_item_first</a>, and <a class="el" href="item_8h.html#a385bcf44c2e29e93b6ea337616e5931d">route_item_last</a>.</p>
<p class="reference">Referenced by <a class="el" href="xmlconfig_8c.html#ad1577b894bf8a1821fcbb53a34cab8c1">xmlconfig_announce()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af44538ba61ffd85df204d405749f6029">◆ </a></span>navigation_set_attr()</h2>
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<td class="memname">int navigation_set_attr </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structnavigation.html">navigation</a> * </td>
<td class="paramname"><em>this_</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="structattr.html">attr</a> * </td>
<td class="paramname"><em>attr</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
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<p class="reference">References <a class="el" href="structnavigation.html#aaa0fba8756cbd110fc3ab7e775a7235f">navigation::nav_status</a>, <a class="el" href="xmlconfig_8c.html#a055a1d4894f2baa57c0c26ef73c583ab">navit_object_set_attr()</a>, <a class="el" href="structattr.html#aebf8c468883c8a41033b97c2ae91003b">attr::num</a>, <a class="el" href="structnavigation.html#a8931dcf8fd72a4530abf71f0c6b7acd3">navigation::speech</a>, <a class="el" href="structattr.html#a90b30756fbcd44ead3328e996ba3506e">attr::speech</a>, <a class="el" href="structattr.html#acbbeecb9ce16c2d7973d0bd2ff544457">attr::type</a>, and <a class="el" href="structattr.html#a682d33096ece5ad806426918c15c4b10">attr::u</a>.</p>
<p class="reference">Referenced by <a class="el" href="navigation_8c.html#aeea262b0184f333410f997db5e7507c8">navigation_update()</a>, <a class="el" href="navigation_8c.html#a104e25a4dbd9108f23f238f91929a187">navigation_update_done()</a>, and <a class="el" href="group__navit.html#ga31c95e8cc4ef3f3eaf9719c755505582">navit_init()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#adedaab7a3c765b3fd3f44d76a2b18d30">◆ </a></span>navigation_set_route()</h2>
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<td class="memname">void navigation_set_route </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structnavigation.html">navigation</a> * </td>
<td class="paramname"><em>this_</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="structroute.html">route</a> * </td>
<td class="paramname"><em>route</em> </td>
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<td></td>
<td>)</td>
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<p class="reference">References <a class="el" href="structattr.html#abb1262ecd4987c683edc8b1d1dff8f8a">attr::callback</a>, <a class="el" href="callback_8h.html#aefbe6726c48359199c9051cb5e4ca942">callback_cast</a>, <a class="el" href="callback_8h.html#ae7c649edc48dc3e82a7f513746dcb44e">callback_new_attr_1</a>, <a class="el" href="navigation_8c.html#aeea262b0184f333410f997db5e7507c8">navigation_update()</a>, <a class="el" href="structnavigation.html#a0873807f546a819a1b0f8eb93cc6fa93">navigation::route</a>, <a class="el" href="structattr.html#a2132d9f8722d472ea71342ea68b03754">attr::route</a>, <a class="el" href="route_8c.html#acf5630829e3459305171d52db6e24fe6">route_add_attr()</a>, <a class="el" href="structnavigation.html#a4b4b60f0b2ea2b75f775058a6acac563">navigation::route_cb</a>, <a class="el" href="route_8c.html#acd57c04075f3eae04f5c3fb4fc4d7689">route_get_attr()</a>, <a class="el" href="route_8c.html#a6d8a75a45bed6f61c1783c4e6447c414">route_remove_attr()</a>, <a class="el" href="structattr.html#acbbeecb9ce16c2d7973d0bd2ff544457">attr::type</a>, and <a class="el" href="structattr.html#a682d33096ece5ad806426918c15c4b10">attr::u</a>.</p>
<p class="reference">Referenced by <a class="el" href="group__navit.html#ga31c95e8cc4ef3f3eaf9719c755505582">navit_init()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a22c0a776e9a1c462ce9bbf6d8ebb4d24">◆ </a></span>navigation_unregister_callback()</h2>
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<td class="memname">void navigation_unregister_callback </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structnavigation.html">navigation</a> * </td>
<td class="paramname"><em>this_</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">enum <a class="el" href="attr_8h.html#a9a9ab3c12bda86add06f89976f36f98c">attr_type</a> </td>
<td class="paramname"><em>type</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="structcallback.html">callback</a> * </td>
<td class="paramname"><em>cb</em> </td>
</tr>
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<p>Unregisters a callback function. </p>
<p>This function removes a previously registered callback function from the callback list to which it was added. See the documentation on <a class="el" href="navigation_8h.html#a141e6722ebe071a7c2aa48ac2a16e888">navigation_register_callback(struct navigation *, enum attr_type, struct callback *)</a> for details on callback lists.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">this_</td><td>The navigation object. </td></tr>
<tr><td class="paramname">type</td><td>The attribute type </td></tr>
<tr><td class="paramname">cb</td><td>The callback function </td></tr>
</table>
</dd>
</dl>
<p class="reference">References <a class="el" href="structnavigation.html#afa0345b5205e539024c81033eaaeb315">navigation::callback</a>, <a class="el" href="structattr.html#ab23a65e41997a8b784ca269170bfb561">attr::callback_list</a>, <a class="el" href="callback_8c.html#acddacea5602cf130d7dba44393d201ac">callback_list_remove()</a>, <a class="el" href="structnavigation.html#a41dad16592fa0c25fa9f7cef5a5b1c76">navigation::callback_speech</a>, <a class="el" href="navigation_8c.html#af52411918a519cbfb8ee3dd4be14b178">navigation_get_attr()</a>, and <a class="el" href="structattr.html#a682d33096ece5ad806426918c15c4b10">attr::u</a>.</p>
<p class="reference">Referenced by <a class="el" href="group__navit.html#gaf09b2410bc1e566724da28e5442bdd03">navit_window_roadbook_destroy()</a>.</p>
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