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<h2><span class="refentrytitle"><a name="libxfce4panel-Convenience-Functions.top_of_page"></a>Convenience Functions</span></h2>
<p>Convenience Functions — Special purpose widgets and utilities</p>
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<div class="refsynopsisdiv">
<a name="libxfce4panel-Convenience-Functions.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <libxfce4panel/libxfce4panel.h>
<a href="http://developer.gnome.org/gtk2/GtkWidget.html"><span class="returnvalue">GtkWidget</span></a> * <a class="link" href="libxfce4panel-Convenience-Functions.html#xfce-panel-create-button" title="xfce_panel_create_button ()">xfce_panel_create_button</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a href="http://developer.gnome.org/gtk2/GtkWidget.html"><span class="returnvalue">GtkWidget</span></a> * <a class="link" href="libxfce4panel-Convenience-Functions.html#xfce-panel-create-toggle-button" title="xfce_panel_create_toggle_button ()">xfce_panel_create_toggle_button</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * <a class="link" href="libxfce4panel-Convenience-Functions.html#xfce-panel-get-channel-name" title="xfce_panel_get_channel_name ()">xfce_panel_get_channel_name</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a href="http://library.gnome.org/devel/gdk-pixbuf/unstable/gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="returnvalue">GdkPixbuf</span></a> * <a class="link" href="libxfce4panel-Convenience-Functions.html#xfce-panel-pixbuf-from-source" title="xfce_panel_pixbuf_from_source ()">xfce_panel_pixbuf_from_source</a> (<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *source</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/gtk2/GtkIconTheme.html"><span class="type">GtkIconTheme</span></a> *icon_theme</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> size</code></em>);
<a href="http://library.gnome.org/devel/gdk-pixbuf/unstable/gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="returnvalue">GdkPixbuf</span></a> * <a class="link" href="libxfce4panel-Convenience-Functions.html#xfce-panel-pixbuf-from-source-at-size" title="xfce_panel_pixbuf_from_source_at_size ()">xfce_panel_pixbuf_from_source_at_size</a>
(<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *source</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/gtk2/GtkIconTheme.html"><span class="type">GtkIconTheme</span></a> *icon_theme</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> dest_width</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> dest_height</code></em>);
#define <a class="link" href="libxfce4panel-Convenience-Functions.html#xfce-allow-panel-customization" title="xfce_allow_panel_customization">xfce_allow_panel_customization</a>
#define <a class="link" href="libxfce4panel-Convenience-Functions.html#xfce-create-panel-button" title="xfce_create_panel_button">xfce_create_panel_button</a>
#define <a class="link" href="libxfce4panel-Convenience-Functions.html#xfce-create-panel-toggle-button" title="xfce_create_panel_toggle_button">xfce_create_panel_toggle_button</a>
</pre>
</div>
<div class="refsect1">
<a name="libxfce4panel-Convenience-Functions.description"></a><h2>Description</h2>
<p>
This section describes a number of functions that were created
to help developers of Xfce Panel plugins.
</p>
</div>
<div class="refsect1">
<a name="libxfce4panel-Convenience-Functions.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="xfce-panel-create-button"></a><h3>xfce_panel_create_button ()</h3>
<pre class="programlisting"><a href="http://developer.gnome.org/gtk2/GtkWidget.html"><span class="returnvalue">GtkWidget</span></a> * xfce_panel_create_button (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Create regular <a href="http://developer.gnome.org/gtk2/GtkButton.html"><span class="type">GtkButton</span></a> with a few properties set to be useful in the
Xfce panel: Flat (<a href="http://developer.gnome.org/gtk2/gtk3-Standard-Enumerations.html#GTK-RELIEF-NONE:CAPS"><code class="literal">GTK_RELIEF_NONE</code></a>), no focus on click and minimal padding.
</p>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>newly created <a href="http://developer.gnome.org/gtk2/GtkButton.html"><span class="type">GtkButton</span></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="xfce-panel-create-toggle-button"></a><h3>xfce_panel_create_toggle_button ()</h3>
<pre class="programlisting"><a href="http://developer.gnome.org/gtk2/GtkWidget.html"><span class="returnvalue">GtkWidget</span></a> * xfce_panel_create_toggle_button (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Create regular <a href="http://developer.gnome.org/gtk2/GtkToggleButton.html"><span class="type">GtkToggleButton</span></a> with a few properties set to be useful in
Xfce panel: Flat (<a href="http://developer.gnome.org/gtk2/gtk3-Standard-Enumerations.html#GTK-RELIEF-NONE:CAPS"><code class="literal">GTK_RELIEF_NONE</code></a>), no focus on click and minimal padding.
</p>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>newly created <a href="http://developer.gnome.org/gtk2/GtkToggleButton.html"><span class="type">GtkToggleButton</span></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="xfce-panel-get-channel-name"></a><h3>xfce_panel_get_channel_name ()</h3>
<pre class="programlisting">const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * xfce_panel_get_channel_name (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Function for the name of the Xfconf channel used by the panel. By default
this returns "xfce4-panel", but you can override this value with the
environment variable XFCE_PANEL_CHANNEL_NAME.
</p>
<div class="variablelist"><table border="0" class="variablelist">
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>name of the Xfconf channel
See also: XFCE_PANEL_CHANNEL_NAME,
xfce_panel_plugin_xfconf_channel_new and
xfce_panel_plugin_get_property_base</td>
</tr></tbody>
</table></div>
<p class="since">Since 4.8</p>
</div>
<hr>
<div class="refsect2">
<a name="xfce-panel-pixbuf-from-source"></a><h3>xfce_panel_pixbuf_from_source ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/gdk-pixbuf/unstable/gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="returnvalue">GdkPixbuf</span></a> * xfce_panel_pixbuf_from_source (<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *source</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/gtk2/GtkIconTheme.html"><span class="type">GtkIconTheme</span></a> *icon_theme</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> size</code></em>);</pre>
<p>
See xfce_panel_pixbuf_from_source_at_size
</p>
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<td><p><span class="term"><em class="parameter"><code>source</code></em> :</span></p></td>
<td>string that contains the location of an icon</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>icon_theme</code></em> :</span></p></td>
<td>icon theme or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> to use the default icon theme</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>size the icon that should be loaded</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a GdkPixbuf or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if nothing was found. The value should
be released with g_object_unref when no longer used.
See also: XfcePanelImage</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 4.8</p>
</div>
<hr>
<div class="refsect2">
<a name="xfce-panel-pixbuf-from-source-at-size"></a><h3>xfce_panel_pixbuf_from_source_at_size ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/gdk-pixbuf/unstable/gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="returnvalue">GdkPixbuf</span></a> * xfce_panel_pixbuf_from_source_at_size
(<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *source</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/gtk2/GtkIconTheme.html"><span class="type">GtkIconTheme</span></a> *icon_theme</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> dest_width</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> dest_height</code></em>);</pre>
<p>
Try to load a pixbuf from a source string. The source could be
an abolute path, an icon name or a filename that points to a
file in the pixmaps directory.
</p>
<p>
This function is particularly usefull for loading names from
the Icon key of desktop files.
</p>
<p>
The pixbuf is never bigger than <em class="parameter"><code>dest_width</code></em> and <em class="parameter"><code>dest_height</code></em>.
If it is when loaded from the disk, the pixbuf is scaled
preserving the aspect ratio.
</p>
<div class="variablelist"><table border="0" class="variablelist">
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<td><p><span class="term"><em class="parameter"><code>source</code></em> :</span></p></td>
<td>string that contains the location of an icon</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>icon_theme</code></em> :</span></p></td>
<td>icon theme or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> to use the default icon theme</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>dest_width</code></em> :</span></p></td>
<td>the maximum returned width of the GdkPixbuf</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>dest_height</code></em> :</span></p></td>
<td>the maximum returned height of the GdkPixbuf</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a GdkPixbuf or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if nothing was found. The value should
be released with g_object_unref when no longer used.
See also: XfcePanelImage</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 4.10</p>
</div>
<hr>
<div class="refsect2">
<a name="xfce-allow-panel-customization"></a><h3>xfce_allow_panel_customization</h3>
<pre class="programlisting">#define xfce_allow_panel_customization (FALSE)
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">xfce_allow_panel_customization</code> has been deprecated since version 4.8 and should not be used in newly-written code. Look at <a class="link" href="XfcePanelPlugin.html#xfce-panel-plugin-get-locked" title="xfce_panel_plugin_get_locked ()"><code class="function">xfce_panel_plugin_get_locked()</code></a>.</p>
</div>
<p>
Always returns <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>. Plugins can be locked on a plugin basis
level in the future, so this function is useless.
</p>
</div>
<hr>
<div class="refsect2">
<a name="xfce-create-panel-button"></a><h3>xfce_create_panel_button</h3>
<pre class="programlisting">#define xfce_create_panel_button xfce_panel_create_button
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">xfce_create_panel_button</code> has been deprecated since version 4.8 and should not be used in newly-written code. Use <a class="link" href="libxfce4panel-Convenience-Functions.html#xfce-panel-create-button" title="xfce_panel_create_button ()"><code class="function">xfce_panel_create_button()</code></a> instead.</p>
</div>
<p>
See <a class="link" href="libxfce4panel-Convenience-Functions.html#xfce-panel-create-button" title="xfce_panel_create_button ()"><code class="function">xfce_panel_create_button()</code></a> for more information.
</p>
</div>
<hr>
<div class="refsect2">
<a name="xfce-create-panel-toggle-button"></a><h3>xfce_create_panel_toggle_button</h3>
<pre class="programlisting">#define xfce_create_panel_toggle_button xfce_panel_create_toggle_button
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">xfce_create_panel_toggle_button</code> has been deprecated since version 4.8 and should not be used in newly-written code. Use <a class="link" href="libxfce4panel-Convenience-Functions.html#xfce-panel-create-toggle-button" title="xfce_panel_create_toggle_button ()"><code class="function">xfce_panel_create_toggle_button()</code></a> instead.</p>
</div>
<p>
See <a class="link" href="libxfce4panel-Convenience-Functions.html#xfce-panel-create-toggle-button" title="xfce_panel_create_toggle_button ()"><code class="function">xfce_panel_create_toggle_button()</code></a> for more information.
</p>
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