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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>OsmGpsMap Reference Manual: OsmGpsMapLayer</title>
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<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
                  <a href="#OsmGpsMapLayer.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
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<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="api-reference.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
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</tr></table>
<div class="refentry">
<a name="OsmGpsMapLayer"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="OsmGpsMapLayer.top_of_page"></a>OsmGpsMapLayer</span></h2>
<p>OsmGpsMapLayer — An interface for layers to be drawn on the map</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="OsmGpsMapLayer.stability-level"></a><h2>Stability Level</h2>
<acronym title="The intention of a Stable interface is to enable arbitrary third parties to
develop applications to these interfaces, release them, and have confidence that
they will run on all minor releases of the product (after the one in which the
interface was introduced, and within the same major release). Even at a major
release, incompatible changes are expected to be rare, and to have strong
justifications.
"><span class="acronym">Stable</span></acronym>, unless otherwise indicated
</div>
<div class="refsect1">
<a name="OsmGpsMapLayer.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMapLayer.html#osm-gps-map-layer-render" title="osm_gps_map_layer_render ()">osm_gps_map_layer_render</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMapLayer.html#osm-gps-map-layer-draw" title="osm_gps_map_layer_draw ()">osm_gps_map_layer_draw</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMapLayer.html#osm-gps-map-layer-busy" title="osm_gps_map_layer_busy ()">osm_gps_map_layer_busy</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMapLayer.html#osm-gps-map-layer-button-press" title="osm_gps_map_layer_button_press ()">osm_gps_map_layer_button_press</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd"><span class="returnvalue">OsmGpsMapOsd</span></a> *
</td>
<td class="function_name">
<a class="link" href="OsmGpsMapLayer.html#osm-gps-map-osd-new" title="osm_gps_map_osd_new ()">osm_gps_map_osd_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="OsmGpsMapLayer.properties"></a><h2>Properties</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><span class="type">guint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd--dpad-radius" title="The “dpad-radius” property">dpad-radius</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd--osd-x" title="The “osd-x” property">osd-x</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd--osd-y" title="The “osd-y” property">osd-y</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd--show-coordinates" title="The “show-coordinates” property">show-coordinates</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd--show-crosshair" title="The “show-crosshair” property">show-crosshair</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd--show-dpad" title="The “show-dpad” property">show-dpad</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd--show-gps-in-dpad" title="The “show-gps-in-dpad” property">show-gps-in-dpad</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd--show-gps-in-zoom" title="The “show-gps-in-zoom” property">show-gps-in-zoom</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd--show-scale" title="The “show-scale” property">show-scale</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd--show-zoom" title="The “show-zoom” property">show-zoom</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
</tbody>
</table></div>
</div>
<a name="OsmGpsMapOsd"></a><div class="refsect1">
<a name="OsmGpsMapLayer.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapLayer-struct" title="OsmGpsMapLayer">OsmGpsMapLayer</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd-struct" title="struct OsmGpsMapOsd">OsmGpsMapOsd</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsdClass" title="struct OsmGpsMapOsdClass">OsmGpsMapOsdClass</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="OsmGpsMapLayer.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    GInterface
    <span class="lineart">╰──</span> OsmGpsMapLayer
    GObject
    <span class="lineart">╰──</span> OsmGpsMapOsd
</pre>
</div>
<div class="refsect1">
<a name="OsmGpsMapLayer.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
OsmGpsMapOsd implements
 <a class="link" href="OsmGpsMapLayer.html" title="OsmGpsMapLayer">OsmGpsMapLayer</a>.</p>
</div>
<div class="refsect1">
<a name="OsmGpsMapLayer.implementations"></a><h2>Known Implementations</h2>
<p>
OsmGpsMapLayer is implemented by
 <a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd">OsmGpsMapOsd</a>.</p>
</div>
<div class="refsect1">
<a name="OsmGpsMapLayer.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;osm-gps-map.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="OsmGpsMapLayer.description"></a><h2>Description</h2>
<p><a class="link" href="OsmGpsMapLayer.html" title="OsmGpsMapLayer"><span class="type">OsmGpsMapLayer</span></a> is an interface implemented by objects that wish
to draw on top of the map respond to button press events. The most
common implementation of this interface is <a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd"><span class="type">OsmGpsMapOsd</span></a></p>
</div>
<div class="refsect1">
<a name="OsmGpsMapLayer.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="osm-gps-map-layer-render"></a><h3>osm_gps_map_layer_render ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_layer_render (<em class="parameter"><code><a class="link" href="OsmGpsMapLayer.html" title="OsmGpsMapLayer"><span class="type">OsmGpsMapLayer</span></a> *self</code></em>,
                          <em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-layer-draw"></a><h3>osm_gps_map_layer_draw ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_layer_draw (<em class="parameter"><code><a class="link" href="OsmGpsMapLayer.html" title="OsmGpsMapLayer"><span class="type">OsmGpsMapLayer</span></a> *self</code></em>,
                        <em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
                        <em class="parameter"><code><span class="type">cairo_t</span> *cr</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-layer-busy"></a><h3>osm_gps_map_layer_busy ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
osm_gps_map_layer_busy (<em class="parameter"><code><a class="link" href="OsmGpsMapLayer.html" title="OsmGpsMapLayer"><span class="type">OsmGpsMapLayer</span></a> *self</code></em>);</pre>
<p>
</p>
<div class="refsect3">
<a name="id-1.2.3.13.4.5"></a><h4>Returns</h4>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-layer-button-press"></a><h3>osm_gps_map_layer_button_press ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
osm_gps_map_layer_button_press (<em class="parameter"><code><a class="link" href="OsmGpsMapLayer.html" title="OsmGpsMapLayer"><span class="type">OsmGpsMapLayer</span></a> *self</code></em>,
                                <em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
                                <em class="parameter"><code><span class="type">GdkEventButton</span> *event</code></em>);</pre>
<p>
</p>
<div class="refsect3">
<a name="id-1.2.3.13.5.5"></a><h4>Returns</h4>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-osd-new"></a><h3>osm_gps_map_osd_new ()</h3>
<pre class="programlisting"><a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd"><span class="returnvalue">OsmGpsMapOsd</span></a> *
osm_gps_map_osd_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Creates a new instance of <a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd"><span class="type">OsmGpsMapOsd</span></a>.</p>
<div class="refsect3">
<a name="id-1.2.3.13.6.5"></a><h4>Returns</h4>
<p> the newly created <a class="link" href="OsmGpsMapLayer.html#OsmGpsMapOsd"><span class="type">OsmGpsMapOsd</span></a> instance</p>
<p></p>
</div>
</div>
</div>
<div class="refsect1">
<a name="OsmGpsMapLayer.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="OsmGpsMapLayer-struct"></a><h3>OsmGpsMapLayer</h3>
<pre class="programlisting">typedef struct _OsmGpsMapLayer OsmGpsMapLayer;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMapOsd-struct"></a><h3>struct OsmGpsMapOsd</h3>
<pre class="programlisting">struct OsmGpsMapOsd;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMapOsdClass"></a><h3>struct OsmGpsMapOsdClass</h3>
<pre class="programlisting">struct OsmGpsMapOsdClass {
	GObjectClass parent_class;

	/* vtable */
};
</pre>
<p>
</p>
</div>
</div>
<div class="refsect1">
<a name="OsmGpsMapLayer.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="OsmGpsMapOsd--dpad-radius"></a><h3>The <code class="literal">“dpad-radius”</code> property</h3>
<pre class="programlisting">  “dpad-radius”              <span class="type">guint</span></pre>
<p>The dpad radius property.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: 30</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMapOsd--osd-x"></a><h3>The <code class="literal">“osd-x”</code> property</h3>
<pre class="programlisting">  “osd-x”                    <span class="type">gint</span></pre>
<p>The osd x property.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: 10</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMapOsd--osd-y"></a><h3>The <code class="literal">“osd-y”</code> property</h3>
<pre class="programlisting">  “osd-y”                    <span class="type">gint</span></pre>
<p>The osd y property.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: 10</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMapOsd--show-coordinates"></a><h3>The <code class="literal">“show-coordinates”</code> property</h3>
<pre class="programlisting">  “show-coordinates”         <span class="type">gboolean</span></pre>
<p>The show coordinates of map centre property.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMapOsd--show-crosshair"></a><h3>The <code class="literal">“show-crosshair”</code> property</h3>
<pre class="programlisting">  “show-crosshair”           <span class="type">gboolean</span></pre>
<p>The show crosshair at map centre property.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMapOsd--show-dpad"></a><h3>The <code class="literal">“show-dpad”</code> property</h3>
<pre class="programlisting">  “show-dpad”                <span class="type">gboolean</span></pre>
<p>The show dpad for map navigation property.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMapOsd--show-gps-in-dpad"></a><h3>The <code class="literal">“show-gps-in-dpad”</code> property</h3>
<pre class="programlisting">  “show-gps-in-dpad”         <span class="type">gboolean</span></pre>
<p>The show gps indicator in middle of dpad property.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMapOsd--show-gps-in-zoom"></a><h3>The <code class="literal">“show-gps-in-zoom”</code> property</h3>
<pre class="programlisting">  “show-gps-in-zoom”         <span class="type">gboolean</span></pre>
<p>The show gps indicator in middle of zoom control property.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMapOsd--show-scale"></a><h3>The <code class="literal">“show-scale”</code> property</h3>
<pre class="programlisting">  “show-scale”               <span class="type">gboolean</span></pre>
<p>The show scale on the map property.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: TRUE</p>
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<div class="refsect2">
<a name="OsmGpsMapOsd--show-zoom"></a><h3>The <code class="literal">“show-zoom”</code> property</h3>
<pre class="programlisting">  “show-zoom”                <span class="type">gboolean</span></pre>
<p>The show zoom control for map navigation property.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: FALSE</p>
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