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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<a href="#GdkDisplayManager.synopsis" class="shortcut">Top</a>
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<a href="#GdkDisplayManager.description" class="shortcut">Description</a>
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<a href="#GdkDisplayManager.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a href="#GdkDisplayManager.properties" class="shortcut">Properties</a>
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<a href="#GdkDisplayManager.signals" class="shortcut">Signals</a>
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<div class="refentry" title="GdkDisplayManager">
<a name="GdkDisplayManager"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GdkDisplayManager.top_of_page"></a>GdkDisplayManager</span></h2>
<p>GdkDisplayManager — Maintains a list of all open <span class="type">GdkDisplay</span>s</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv" title="Synopsis">
<a name="GdkDisplayManager.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <gdk/gdk.h>
<a class="link" href="GdkDisplayManager.html#GdkDisplayManager-struct" title="GdkDisplayManager">GdkDisplayManager</a>;
<a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="returnvalue">GdkDisplayManager</span></a> * <a class="link" href="GdkDisplayManager.html#gdk-display-manager-get" title="gdk_display_manager_get ()">gdk_display_manager_get</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="returnvalue">GdkDisplay</span></a> * <a class="link" href="GdkDisplayManager.html#gdk-display-manager-get-default-display" title="gdk_display_manager_get_default_display ()">gdk_display_manager_get_default_display</a>
(<em class="parameter"><code><a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="type">GdkDisplayManager</span></a> *display_manager</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GdkDisplayManager.html#gdk-display-manager-set-default-display" title="gdk_display_manager_set_default_display ()">gdk_display_manager_set_default_display</a>
(<em class="parameter"><code><a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="type">GdkDisplayManager</span></a> *display_manager</code></em>,
<em class="parameter"><code><a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a> *display</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Singly-Linked-Lists.html#GSList"><span class="returnvalue">GSList</span></a> * <a class="link" href="GdkDisplayManager.html#gdk-display-manager-list-displays" title="gdk_display_manager_list_displays ()">gdk_display_manager_list_displays</a> (<em class="parameter"><code><a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="type">GdkDisplayManager</span></a> *display_manager</code></em>);
<a class="link" href="gdk-Input-Devices.html#GdkDevice" title="GdkDevice"><span class="returnvalue">GdkDevice</span></a> * <a class="link" href="GdkDisplayManager.html#gdk-display-get-core-pointer" title="gdk_display_get_core_pointer ()">gdk_display_get_core_pointer</a> (<em class="parameter"><code><a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a> *display</code></em>);
</pre>
</div>
<div class="refsect1" title="Object Hierarchy">
<a name="GdkDisplayManager.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----GdkDisplayManager
</pre>
</div>
<div class="refsect1" title="Properties">
<a name="GdkDisplayManager.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="GdkDisplayManager.html#GdkDisplayManager--default-display" title='The "default-display" property'>default-display</a>" <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a>* : Read / Write
</pre>
</div>
<div class="refsect1" title="Signals">
<a name="GdkDisplayManager.signals"></a><h2>Signals</h2>
<pre class="synopsis">
"<a class="link" href="GdkDisplayManager.html#GdkDisplayManager-display-opened" title='The "display-opened" signal'>display-opened</a>" : Run Last
</pre>
</div>
<div class="refsect1" title="Description">
<a name="GdkDisplayManager.description"></a><h2>Description</h2>
<p>
The purpose of the <a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="type">GdkDisplayManager</span></a> singleton object is to offer
notification when displays appear or disappear or the default display
changes.
</p>
</div>
<div class="refsect1" title="Details">
<a name="GdkDisplayManager.details"></a><h2>Details</h2>
<div class="refsect2" title="GdkDisplayManager">
<a name="GdkDisplayManager-struct"></a><h3>GdkDisplayManager</h3>
<pre class="programlisting">typedef struct _GdkDisplayManager GdkDisplayManager;</pre>
<p>
The <span class="structname">GdkDisplayManager</span> struct has no interesting
fields.
</p>
<p class="since">Since 2.2</p>
</div>
<hr>
<div class="refsect2" title="gdk_display_manager_get ()">
<a name="gdk-display-manager-get"></a><h3>gdk_display_manager_get ()</h3>
<pre class="programlisting"><a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="returnvalue">GdkDisplayManager</span></a> * gdk_display_manager_get (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Gets the singleton <a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="type">GdkDisplayManager</span></a> object.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The global <a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="type">GdkDisplayManager</span></a> singleton; <code class="function">gdk_parse_pargs()</code>,
<a class="link" href="gdk-General.html#gdk-init" title="gdk_init ()"><code class="function">gdk_init()</code></a>, or <a class="link" href="gdk-General.html#gdk-init-check" title="gdk_init_check ()"><code class="function">gdk_init_check()</code></a> must have been called first.
. <acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>. </td>
</tr></tbody>
</table></div>
<p class="since">Since 2.2</p>
</div>
<hr>
<div class="refsect2" title="gdk_display_manager_get_default_display ()">
<a name="gdk-display-manager-get-default-display"></a><h3>gdk_display_manager_get_default_display ()</h3>
<pre class="programlisting"><a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="returnvalue">GdkDisplay</span></a> * gdk_display_manager_get_default_display
(<em class="parameter"><code><a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="type">GdkDisplayManager</span></a> *display_manager</code></em>);</pre>
<p>
Gets the default <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display_manager</code></em> :</span></p></td>
<td>a <a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="type">GdkDisplayManager</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a>, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if there is no default
display.
. <acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>. </td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.2</p>
</div>
<hr>
<div class="refsect2" title="gdk_display_manager_set_default_display ()">
<a name="gdk-display-manager-set-default-display"></a><h3>gdk_display_manager_set_default_display ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gdk_display_manager_set_default_display
(<em class="parameter"><code><a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="type">GdkDisplayManager</span></a> *display_manager</code></em>,
<em class="parameter"><code><a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a> *display</code></em>);</pre>
<p>
Sets <em class="parameter"><code>display</code></em> as the default display.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display_manager</code></em> :</span></p></td>
<td>a <a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="type">GdkDisplayManager</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.2</p>
</div>
<hr>
<div class="refsect2" title="gdk_display_manager_list_displays ()">
<a name="gdk-display-manager-list-displays"></a><h3>gdk_display_manager_list_displays ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Singly-Linked-Lists.html#GSList"><span class="returnvalue">GSList</span></a> * gdk_display_manager_list_displays (<em class="parameter"><code><a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="type">GdkDisplayManager</span></a> *display_manager</code></em>);</pre>
<p>
List all currently open displays.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display_manager</code></em> :</span></p></td>
<td>a <a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="type">GdkDisplayManager</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a newly allocated <a href="/usr/share/gtk-doc/html/glib/glib-Singly-Linked-Lists.html#GSList"><span class="type">GSList</span></a> of <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a> objects.
Free this list with <a href="/usr/share/gtk-doc/html/glib/glib-Singly-Linked-Lists.html#g-slist-free"><code class="function">g_slist_free()</code></a> when you are done with it.
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.2</p>
</div>
<hr>
<div class="refsect2" title="gdk_display_get_core_pointer ()">
<a name="gdk-display-get-core-pointer"></a><h3>gdk_display_get_core_pointer ()</h3>
<pre class="programlisting"><a class="link" href="gdk-Input-Devices.html#GdkDevice" title="GdkDevice"><span class="returnvalue">GdkDevice</span></a> * gdk_display_get_core_pointer (<em class="parameter"><code><a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a> *display</code></em>);</pre>
<p>
Returns the core pointer device for the given display
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the core pointer device; this is owned by the
display and should not be freed.
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.2</p>
</div>
</div>
<div class="refsect1" title="Property Details">
<a name="GdkDisplayManager.property-details"></a><h2>Property Details</h2>
<div class="refsect2" title='The "default-display" property'>
<a name="GdkDisplayManager--default-display"></a><h3>The <code class="literal">"default-display"</code> property</h3>
<pre class="programlisting"> "default-display" <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a>* : Read / Write</pre>
<p>The default display for GDK.</p>
</div>
</div>
<div class="refsect1" title="Signal Details">
<a name="GdkDisplayManager.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2" title='The "display-opened" signal'>
<a name="GdkDisplayManager-display-opened"></a><h3>The <code class="literal">"display-opened"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="GdkDisplayManager.html" title="GdkDisplayManager"><span class="type">GdkDisplayManager</span></a> *display_manager,
<a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a> *display,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : Run Last</pre>
<p>
The ::display_opened signal is emitted when a display is opened.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display_manager</code></em> :</span></p></td>
<td>the object on which the signal is emitted
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>the opened display
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.2</p>
</div>
</div>
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