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<a href="#libxfcegui4-Xfce-Gdk-extensions.description" class="shortcut">Description</a>
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<div class="refentry" title="Xfce Gdk extensions">
<a name="libxfcegui4-Xfce-Gdk-extensions"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="libxfcegui4-Xfce-Gdk-extensions.top_of_page"></a>Xfce Gdk extensions</span></h2>
<p>Xfce Gdk extensions — Additional Gdk related functions.</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv" title="Synopsis">
<a name="libxfcegui4-Xfce-Gdk-extensions.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <libxfcegui4/libxfcegui4.h>
<span class="returnvalue">gchar</span>* <a class="link" href="libxfcegui4-Xfce-Gdk-extensions.html#xfce-gdk-display-get-fullname" title="xfce_gdk_display_get_fullname ()">xfce_gdk_display_get_fullname</a> (<em class="parameter"><code><span class="type">GdkDisplay</span> *display</code></em>);
<span class="returnvalue">GdkScreen</span>* <a class="link" href="libxfcegui4-Xfce-Gdk-extensions.html#xfce-gdk-display-locate-monitor-with-pointer" title="xfce_gdk_display_locate_monitor_with_pointer ()">xfce_gdk_display_locate_monitor_with_pointer</a>
(<em class="parameter"><code><span class="type">GdkDisplay</span> *display</code></em>,
<em class="parameter"><code><span class="type">gint</span> *monitor_return</code></em>);
<span class="returnvalue">gchar</span> * <a class="link" href="libxfcegui4-Xfce-Gdk-extensions.html#xfce-gdk-screen-get-fullname" title="xfce_gdk_screen_get_fullname ()">xfce_gdk_screen_get_fullname</a> (<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libxfcegui4-Xfce-Gdk-extensions.html#xfce-gdk-spawn-on-screen" title="xfce_gdk_spawn_on_screen ()">xfce_gdk_spawn_on_screen</a> (<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *working_directory</code></em>,
<em class="parameter"><code><span class="type">gchar</span> **argv</code></em>,
<em class="parameter"><code><span class="type">gchar</span> **envp</code></em>,
<em class="parameter"><code><span class="type">GSpawnFlags</span> flags</code></em>,
<em class="parameter"><code><span class="type">GSpawnChildSetupFunc</span> child_setup</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>,
<em class="parameter"><code><span class="type">gint</span> *child_pid</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libxfcegui4-Xfce-Gdk-extensions.html#xfce-gdk-spawn-on-screen-with-pipes" title="xfce_gdk_spawn_on_screen_with_pipes ()">xfce_gdk_spawn_on_screen_with_pipes</a> (<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *working_directory</code></em>,
<em class="parameter"><code><span class="type">gchar</span> **argv</code></em>,
<em class="parameter"><code><span class="type">gchar</span> **envp</code></em>,
<em class="parameter"><code><span class="type">GSpawnFlags</span> flags</code></em>,
<em class="parameter"><code><span class="type">GSpawnChildSetupFunc</span> child_setup</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>,
<em class="parameter"><code><span class="type">gint</span> *child_pid</code></em>,
<em class="parameter"><code><span class="type">gint</span> *standard_input</code></em>,
<em class="parameter"><code><span class="type">gint</span> *standard_output</code></em>,
<em class="parameter"><code><span class="type">gint</span> *standard_error</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libxfcegui4-Xfce-Gdk-extensions.html#xfce-gdk-spawn-command-line-on-screen" title="xfce_gdk_spawn_command_line_on_screen ()">xfce_gdk_spawn_command_line_on_screen</a>
(<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *command_line</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);
</pre>
</div>
<div class="refsect1" title="Description">
<a name="libxfcegui4-Xfce-Gdk-extensions.description"></a><h2>Description</h2>
<p>
</p>
</div>
<div class="refsect1" title="Details">
<a name="libxfcegui4-Xfce-Gdk-extensions.details"></a><h2>Details</h2>
<div class="refsect2" title="xfce_gdk_display_get_fullname ()">
<a name="xfce-gdk-display-get-fullname"></a><h3>xfce_gdk_display_get_fullname ()</h3>
<pre class="programlisting"><span class="returnvalue">gchar</span>* xfce_gdk_display_get_fullname (<em class="parameter"><code><span class="type">GdkDisplay</span> *display</code></em>);</pre>
<p>
Determines the full qualified name of <em class="parameter"><code>display</code></em>. The full name includes
both the hostname of the Xserver node and the display number
of the Xserver.
</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 valid Gdk display.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The full qualified name of <em class="parameter"><code>display</code></em>.
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 4.2</p>
</div>
<hr>
<div class="refsect2" title="xfce_gdk_display_locate_monitor_with_pointer ()">
<a name="xfce-gdk-display-locate-monitor-with-pointer"></a><h3>xfce_gdk_display_locate_monitor_with_pointer ()</h3>
<pre class="programlisting"><span class="returnvalue">GdkScreen</span>* xfce_gdk_display_locate_monitor_with_pointer
(<em class="parameter"><code><span class="type">GdkDisplay</span> *display</code></em>,
<em class="parameter"><code><span class="type">gint</span> *monitor_return</code></em>);</pre>
<p>
Locates the monitor and the screen which contains the pointer. If
it is not possible to determine the current pointer position, <code class="literal">NULL</code>
is returned.
</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 Gdk display or <code class="literal">NULL</code> to choose the default display.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>monitor_return</code></em> :</span></p></td>
<td>Address to store the monitor number to or <code class="literal">NULL</code>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The screen that contains the pointer.
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 4.2</p>
</div>
<hr>
<div class="refsect2" title="xfce_gdk_screen_get_fullname ()">
<a name="xfce-gdk-screen-get-fullname"></a><h3>xfce_gdk_screen_get_fullname ()</h3>
<pre class="programlisting"><span class="returnvalue">gchar</span> * xfce_gdk_screen_get_fullname (<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>);</pre>
<p>
Like <a class="link" href="libxfcegui4-Xfce-Gdk-extensions.html#xfce-gdk-display-get-fullname" title="xfce_gdk_display_get_fullname ()"><code class="function">xfce_gdk_display_get_fullname()</code></a>, but also includes the screen
number.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>screen</code></em> :</span></p></td>
<td>A Gdk screen.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The full qualified name of <em class="parameter"><code>screen</code></em>.
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 4.2</p>
</div>
<hr>
<div class="refsect2" title="xfce_gdk_spawn_on_screen ()">
<a name="xfce-gdk-spawn-on-screen"></a><h3>xfce_gdk_spawn_on_screen ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> xfce_gdk_spawn_on_screen (<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *working_directory</code></em>,
<em class="parameter"><code><span class="type">gchar</span> **argv</code></em>,
<em class="parameter"><code><span class="type">gchar</span> **envp</code></em>,
<em class="parameter"><code><span class="type">GSpawnFlags</span> flags</code></em>,
<em class="parameter"><code><span class="type">GSpawnChildSetupFunc</span> child_setup</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>,
<em class="parameter"><code><span class="type">gint</span> *child_pid</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>
Like <code class="function">g_spawn_async()</code>, except the child process is spawned in such
an environment that on calling <code class="function">gdk_display_open()</code> it would be
returned a <span class="type">GdkDisplay</span> with <em class="parameter"><code>screen</code></em> as the default screen.
</p>
<p>
This is useful for applications which wish to launch an application
on a specific screen.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>screen</code></em> :</span></p></td>
<td>a <span class="type">GdkScreen</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>working_directory</code></em> :</span></p></td>
<td>child's current working directory, or <code class="literal">NULL</code> to
inherit parent's
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>argv</code></em> :</span></p></td>
<td>child's argument vector
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>envp</code></em> :</span></p></td>
<td>child's environment, or <code class="literal">NULL</code> to inherit parent's
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>flags</code></em> :</span></p></td>
<td>flags from <span class="type">GSpawnFlags</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child_setup</code></em> :</span></p></td>
<td>function to run in the child just before <code class="function">exec()</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data for <em class="parameter"><code>child_setup</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child_pid</code></em> :</span></p></td>
<td>return location for child process ID, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for error
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> if error is set
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 4.2</p>
</div>
<hr>
<div class="refsect2" title="xfce_gdk_spawn_on_screen_with_pipes ()">
<a name="xfce-gdk-spawn-on-screen-with-pipes"></a><h3>xfce_gdk_spawn_on_screen_with_pipes ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> xfce_gdk_spawn_on_screen_with_pipes (<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *working_directory</code></em>,
<em class="parameter"><code><span class="type">gchar</span> **argv</code></em>,
<em class="parameter"><code><span class="type">gchar</span> **envp</code></em>,
<em class="parameter"><code><span class="type">GSpawnFlags</span> flags</code></em>,
<em class="parameter"><code><span class="type">GSpawnChildSetupFunc</span> child_setup</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>,
<em class="parameter"><code><span class="type">gint</span> *child_pid</code></em>,
<em class="parameter"><code><span class="type">gint</span> *standard_input</code></em>,
<em class="parameter"><code><span class="type">gint</span> *standard_output</code></em>,
<em class="parameter"><code><span class="type">gint</span> *standard_error</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>
Like <code class="function">g_spawn_async_with_pipes()</code>, except the child process is
spawned in such an environment that on calling <code class="function">gdk_display_open()</code>
it would be returned a <span class="type">GdkDisplay</span> with <em class="parameter"><code>screen</code></em> as the default
screen.
</p>
<p>
This is useful for applications which wish to launch an application
on a specific screen.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>screen</code></em> :</span></p></td>
<td>a <span class="type">GdkScreen</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>working_directory</code></em> :</span></p></td>
<td>child's current working directory, or <code class="literal">NULL</code> to
inherit parent's
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>argv</code></em> :</span></p></td>
<td>child's argument vector
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>envp</code></em> :</span></p></td>
<td>child's environment, or <code class="literal">NULL</code> to inherit parent's
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>flags</code></em> :</span></p></td>
<td>flags from <span class="type">GSpawnFlags</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child_setup</code></em> :</span></p></td>
<td>function to run in the child just before <code class="function">exec()</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data for <em class="parameter"><code>child_setup</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child_pid</code></em> :</span></p></td>
<td>return location for child process ID, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>standard_input</code></em> :</span></p></td>
<td>return location for file descriptor to write to
child's stdin, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>standard_output</code></em> :</span></p></td>
<td>return location for file descriptor to read child's
stdout, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>standard_error</code></em> :</span></p></td>
<td>return location for file descriptor to read child's
stderr, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for error
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> if an error was set
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 4.2</p>
</div>
<hr>
<div class="refsect2" title="xfce_gdk_spawn_command_line_on_screen ()">
<a name="xfce-gdk-spawn-command-line-on-screen"></a><h3>xfce_gdk_spawn_command_line_on_screen ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> xfce_gdk_spawn_command_line_on_screen
(<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *command_line</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>
Like <code class="function">g_spawn_command_line_async()</code>, except the child process is
spawned in such an environment that on calling <code class="function">gdk_display_open()</code>
it would be returned a <span class="type">GdkDisplay</span> with <em class="parameter"><code>screen</code></em> as the default
screen.
</p>
<p>
This is useful for applications which wish to launch an application
on a specific screen.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>screen</code></em> :</span></p></td>
<td>a <span class="type">GdkScreen</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>command_line</code></em> :</span></p></td>
<td>a command line
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for errors
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> if error is set.
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 4.2</p>
</div>
</div>
<div class="refsect1" title="See Also">
<a name="libxfcegui4-Xfce-Gdk-extensions.see-also"></a><h2>See Also</h2>
<p>
<a class="ulink" href="http://developer.gnome.org/doc/API/2.0/gdk/" target="_top">Gdk reference manual</a>
</p>
</div>
</div>
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