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<a href="#GwyResource.description" class="shortcut">Description</a>
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<a href="#GwyResource.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a href="#GwyResource.properties" class="shortcut">Properties</a>
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<a href="#GwyResource.signals" class="shortcut">Signals</a>
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<h2><span class="refentrytitle"><a name="GwyResource.top_of_page"></a>GwyResource</span></h2>
<p>GwyResource — Built-in and/or user supplied application resources</p>
</td>
<td valign="top" align="right"></td>
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<div class="refsynopsisdiv">
<a name="GwyResource.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <libgwyddion/gwyddion.h>
struct <a class="link" href="GwyResource.html#GwyResource-struct" title="struct GwyResource">GwyResource</a>;
struct <a class="link" href="GwyResource.html#GwyResourceClass" title="struct GwyResourceClass">GwyResourceClass</a>;
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * <a class="link" href="GwyResource.html#gwy-resource-build-filename" title="gwy_resource_build_filename ()">gwy_resource_build_filename</a> (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);
<a class="link" href="GwyInventory.html" title="GwyInventory"><span class="returnvalue">GwyInventory</span></a> * <a class="link" href="GwyResource.html#gwy-resource-class-get-inventory" title="gwy_resource_class_get_inventory ()">gwy_resource_class_get_inventory</a> (<em class="parameter"><code><a class="link" href="GwyResource.html#GwyResourceClass" title="struct GwyResourceClass"><span class="type">GwyResourceClass</span></a> *klass</code></em>);
const <a class="link" href="GwyInventory.html#GwyInventoryItemType" title="struct GwyInventoryItemType"><span class="returnvalue">GwyInventoryItemType</span></a> * <a class="link" href="GwyResource.html#gwy-resource-class-get-item-type" title="gwy_resource_class_get_item_type ()">gwy_resource_class_get_item_type</a>
(<em class="parameter"><code><a class="link" href="GwyResource.html#GwyResourceClass" title="struct GwyResourceClass"><span class="type">GwyResourceClass</span></a> *klass</code></em>);
const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * <a class="link" href="GwyResource.html#gwy-resource-class-get-name" title="gwy_resource_class_get_name ()">gwy_resource_class_get_name</a> (<em class="parameter"><code><a class="link" href="GwyResource.html#GwyResourceClass" title="struct GwyResourceClass"><span class="type">GwyResourceClass</span></a> *klass</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GwyResource.html#gwy-resource-class-load" title="gwy_resource_class_load ()">gwy_resource_class_load</a> (<em class="parameter"><code><a class="link" href="GwyResource.html#GwyResourceClass" title="struct GwyResourceClass"><span class="type">GwyResourceClass</span></a> *klass</code></em>);
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="GwyResource.html#gwy-resource-class-mkdir" title="gwy_resource_class_mkdir ()">gwy_resource_class_mkdir</a> (<em class="parameter"><code><a class="link" href="GwyResource.html#GwyResourceClass" title="struct GwyResourceClass"><span class="type">GwyResourceClass</span></a> *klass</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GwyResource.html#gwy-resource-classes-finalize" title="gwy_resource_classes_finalize ()">gwy_resource_classes_finalize</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<span class="returnvalue">void</span> <a class="link" href="GwyResource.html#gwy-resource-data-changed" title="gwy_resource_data_changed ()">gwy_resource_data_changed</a> (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GwyResource.html#gwy-resource-data-saved" title="gwy_resource_data_saved ()">gwy_resource_data_saved</a> (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Strings.html#GString"><span class="returnvalue">GString</span></a> * <a class="link" href="GwyResource.html#gwy-resource-dump" title="gwy_resource_dump ()">gwy_resource_dump</a> (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="GwyResource.html#gwy-resource-get-is-modifiable" title="gwy_resource_get_is_modifiable ()">gwy_resource_get_is_modifiable</a> (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="GwyResource.html#gwy-resource-get-is-preferred" title="gwy_resource_get_is_preferred ()">gwy_resource_get_is_preferred</a> (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);
const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * <a class="link" href="GwyResource.html#gwy-resource-get-name" title="gwy_resource_get_name ()">gwy_resource_get_name</a> (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="GwyResource.html#gwy-resource-is-used" title="gwy_resource_is_used ()">gwy_resource_is_used</a> (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);
<a class="link" href="GwyResource.html" title="GwyResource"><span class="returnvalue">GwyResource</span></a> * <a class="link" href="GwyResource.html#gwy-resource-parse" title="gwy_resource_parse ()">gwy_resource_parse</a> (<em class="parameter"><code>const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *text</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/gobject/gobject-Type-Information.html#GType"><span class="type">GType</span></a> expected_type</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GwyResource.html#gwy-resource-release" title="gwy_resource_release ()">gwy_resource_release</a> (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GwyResource.html#gwy-resource-set-is-preferred" title="gwy_resource_set_is_preferred ()">gwy_resource_set_is_preferred</a> (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> is_preferred</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GwyResource.html#gwy-resource-use" title="gwy_resource_use ()">gwy_resource_use</a> (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="GwyResource.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="http://developer.gnome.org/doc/API/2.0/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----GwyResource
+----<a class="link" href="GwyNLFitPreset.html" title="GwyNLFitPreset">GwyNLFitPreset</a>
</pre>
</div>
<div class="refsect1">
<a name="GwyResource.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="GwyResource.html#GwyResource--is-const" title='The "is-const" property'>is-const</a>" <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write / Construct Only
"<a class="link" href="GwyResource.html#GwyResource--is-preferred" title='The "is-preferred" property'>is-preferred</a>" <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="GwyResource.html#GwyResource--name" title='The "name" property'>name</a>" <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read
</pre>
</div>
<div class="refsect1">
<a name="GwyResource.signals"></a><h2>Signals</h2>
<pre class="synopsis">
"<a class="link" href="GwyResource.html#GwyResource-data-changed" title='The "data-changed" signal'>data-changed</a>" : <a href="http://developer.gnome.org/doc/API/2.0/gobject/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a>
</pre>
</div>
<div class="refsect1">
<a name="GwyResource.description"></a><h2>Description</h2>
<p>
<a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> is a base class for various application resources. It defines
common interface: questioning resource name (<a class="link" href="GwyResource.html#gwy-resource-get-name" title="gwy_resource_get_name ()"><code class="function">gwy_resource_get_name()</code></a>),
modifiability (<a class="link" href="GwyResource.html#gwy-resource-get-is-modifiable" title="gwy_resource_get_is_modifiable ()"><code class="function">gwy_resource_get_is_modifiable()</code></a>), loading resources from
files and saving them.
</p>
</div>
<div class="refsect1">
<a name="GwyResource.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GwyResource-struct"></a><h3>struct GwyResource</h3>
<pre class="programlisting">struct GwyResource;</pre>
<p>
The <a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> struct contains private data only and should be accessed
using the functions below.
</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyResourceClass"></a><h3>struct GwyResourceClass</h3>
<pre class="programlisting">struct GwyResourceClass {
GwyInventory *inventory;
const gchar *name;
/* Traits */
GwyInventoryItemType item_type;
/* Signals */
void (*data_changed)(GwyResource *resource);
/* Virtual table */
void (*use)(GwyResource *resource);
void (*release)(GwyResource *resource);
void (*dump)(GwyResource *resource,
GString *string);
GwyResource* (*parse)(const gchar *text,
gboolean is_const);
};
</pre>
<p>
Resource class.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><a class="link" href="GwyInventory.html" title="GwyInventory"><span class="type">GwyInventory</span></a> *<em class="structfield"><code><a name="GwyResourceClass.inventory"></a>inventory</code></em>;</span></p></td>
<td>Inventory with resources.</td>
</tr>
<tr>
<td><p><span class="term">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="GwyResourceClass.name"></a>name</code></em>;</span></p></td>
<td>Resource class name, usable as resource directory name for on-disk
resources.</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="GwyInventory.html#GwyInventoryItemType" title="struct GwyInventoryItemType"><span class="type">GwyInventoryItemType</span></a> <em class="structfield"><code><a name="GwyResourceClass.item-type"></a>item_type</code></em>;</span></p></td>
<td>Inventory item type. Most fields are pre-filled, but namely
<em class="parameter"><code>type</code></em> and <em class="parameter"><code>copy</code></em> must be filled by particular resource type.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GwyResourceClass.data-changed"></a>data_changed</code></em> ()</span></p></td>
<td>"data-changed" signal method.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GwyResourceClass.use"></a>use</code></em> ()</span></p></td>
<td>gwy_resource_use() virtual method.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GwyResourceClass.release"></a>release</code></em> ()</span></p></td>
<td>gwy_resource_release() virtual method.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GwyResourceClass.dump"></a>dump</code></em> ()</span></p></td>
<td>gwy_resource_dump() virtual method, it only cares about resource
data itself, the envelope is handled by <a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GwyResourceClass.parse"></a>parse</code></em> ()</span></p></td>
<td>gwy_resource_parse() virtual method, in only cares about resource
data itself, the envelope is handled by <a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-build-filename"></a><h3>gwy_resource_build_filename ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * gwy_resource_build_filename (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);</pre>
<p>
Builds file name a resource should be saved to.
</p>
<p>
If the resource has not been newly created, renamed, or system it was
probably loaded from file of the same name.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>resource</code></em> :</span></p></td>
<td>A resource.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>Resource file name as a newly allocated string that must be freed
by caller.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-class-get-inventory"></a><h3>gwy_resource_class_get_inventory ()</h3>
<pre class="programlisting"><a class="link" href="GwyInventory.html" title="GwyInventory"><span class="returnvalue">GwyInventory</span></a> * gwy_resource_class_get_inventory (<em class="parameter"><code><a class="link" href="GwyResource.html#GwyResourceClass" title="struct GwyResourceClass"><span class="type">GwyResourceClass</span></a> *klass</code></em>);</pre>
<p>
Gets inventory which holds resources of a resource class.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>klass</code></em> :</span></p></td>
<td>A resource class.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>Resource class inventory.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-class-get-item-type"></a><h3>gwy_resource_class_get_item_type ()</h3>
<pre class="programlisting">const <a class="link" href="GwyInventory.html#GwyInventoryItemType" title="struct GwyInventoryItemType"><span class="returnvalue">GwyInventoryItemType</span></a> * gwy_resource_class_get_item_type
(<em class="parameter"><code><a class="link" href="GwyResource.html#GwyResourceClass" title="struct GwyResourceClass"><span class="type">GwyResourceClass</span></a> *klass</code></em>);</pre>
<p>
Gets inventory item type for a resource class.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>klass</code></em> :</span></p></td>
<td>A resource class.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>Inventory item type.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-class-get-name"></a><h3>gwy_resource_class_get_name ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * gwy_resource_class_get_name (<em class="parameter"><code><a class="link" href="GwyResource.html#GwyResourceClass" title="struct GwyResourceClass"><span class="type">GwyResourceClass</span></a> *klass</code></em>);</pre>
<p>
Gets the name of resource class.
</p>
<p>
This is an simple identifier usable for example as directory name.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>klass</code></em> :</span></p></td>
<td>A resource class.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>Resource class name, as a constant string that must not be modified
nor freed.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-class-load"></a><h3>gwy_resource_class_load ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_resource_class_load (<em class="parameter"><code><a class="link" href="GwyResource.html#GwyResourceClass" title="struct GwyResourceClass"><span class="type">GwyResourceClass</span></a> *klass</code></em>);</pre>
<p>
Loads resources of a resources class from disk.
</p>
<p>
Resources are loaded from system directory (and marked constant) and from
user directory (marked modifiable).
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>klass</code></em> :</span></p></td>
<td>A resource class.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-class-mkdir"></a><h3>gwy_resource_class_mkdir ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gwy_resource_class_mkdir (<em class="parameter"><code><a class="link" href="GwyResource.html#GwyResourceClass" title="struct GwyResourceClass"><span class="type">GwyResourceClass</span></a> *klass</code></em>);</pre>
<p>
Creates directory for user resources if it does not exist.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>klass</code></em> :</span></p></td>
<td>A resource class.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the directory exists or has been successfully created.
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if it doesn't exist and cannot be created, consult errno
for reason.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-classes-finalize"></a><h3>gwy_resource_classes_finalize ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_resource_classes_finalize (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Destroys the inventories of all resource classes.
</p>
<p>
This function makes the affected resource classes unusable. Its purpose is
to faciliate reference leak debugging by destroying a large number of
objects that normally live forever.
</p>
<p>
Note static resource classes that never called <a class="link" href="GwyResource.html#gwy-resource-class-load" title="gwy_resource_class_load ()"><code class="function">gwy_resource_class_load()</code></a>
are excluded.
</p>
<p class="since">Since 2.8</p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-data-changed"></a><h3>gwy_resource_data_changed ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_resource_data_changed (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);</pre>
<p>
Emits signal "data-changed" on a resource.
</p>
<p>
It can be called only on non-constant resources. The default handler
sets <em class="parameter"><code>is_modified</code></em> flag on the resource.
</p>
<p>
Mostly useful in resource implementation.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>resource</code></em> :</span></p></td>
<td>A resource.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-data-saved"></a><h3>gwy_resource_data_saved ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_resource_data_saved (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);</pre>
<p>
Clears <em class="parameter"><code>is_modified</code></em> flag of a resource.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>resource</code></em> :</span></p></td>
<td>A resource.</td>
</tr></tbody>
</table></div>
<p class="since">Since 2.8</p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-dump"></a><h3>gwy_resource_dump ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Strings.html#GString"><span class="returnvalue">GString</span></a> * gwy_resource_dump (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);</pre>
<p>
Dumps a resource to a textual (human readable) form.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>resource</code></em> :</span></p></td>
<td>A resource.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>Textual resource representation.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-get-is-modifiable"></a><h3>gwy_resource_get_is_modifiable ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gwy_resource_get_is_modifiable (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);</pre>
<p>
Returns whether a resource is modifiable.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>resource</code></em> :</span></p></td>
<td>A resource.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if resource is modifiable, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if it's fixed (system)
resource.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-get-is-preferred"></a><h3>gwy_resource_get_is_preferred ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gwy_resource_get_is_preferred (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);</pre>
<p>
Returns whether a resource is preferred.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>resource</code></em> :</span></p></td>
<td>A resource.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if resource is preferred, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-get-name"></a><h3>gwy_resource_get_name ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * gwy_resource_get_name (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);</pre>
<p>
Returns resource name.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>resource</code></em> :</span></p></td>
<td>A resource.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>Name of <em class="parameter"><code>resource</code></em>. The string is owned by <em class="parameter"><code>resource</code></em> and must not
be modfied or freed.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-is-used"></a><h3>gwy_resource_is_used ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gwy_resource_is_used (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);</pre>
<p>
Tells whether a resource is currently in use.
</p>
<p>
See <a class="link" href="GwyResource.html#gwy-resource-use" title="gwy_resource_use ()"><code class="function">gwy_resource_use()</code></a> for details.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>resource</code></em> :</span></p></td>
<td>A resource.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if resource is in use, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-parse"></a><h3>gwy_resource_parse ()</h3>
<pre class="programlisting"><a class="link" href="GwyResource.html" title="GwyResource"><span class="returnvalue">GwyResource</span></a> * gwy_resource_parse (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *text</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"><span class="type">GType</span></a> expected_type</code></em>);</pre>
<p>
Reconstructs a resource from human readable form.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>text</code></em> :</span></p></td>
<td>Textual resource representation.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>expected_type</code></em> :</span></p></td>
<td>Resource object type. If not 0, only resources of give type
are allowed. Zero value means any <a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> is allowed.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>Newly created resource (or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>).</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-release"></a><h3>gwy_resource_release ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_resource_release (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);</pre>
<p>
Releases a resource.
</p>
<p>
When the number of resource uses drops to zero, it frees all auxiliary data
and returns back to `latent' form. In addition, it calls <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#g-object-unref"><code class="function">g_object_unref()</code></a>
on it. See <a class="link" href="GwyResource.html#gwy-resource-use" title="gwy_resource_use ()"><code class="function">gwy_resource_use()</code></a> for more.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>resource</code></em> :</span></p></td>
<td>A resource.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-set-is-preferred"></a><h3>gwy_resource_set_is_preferred ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_resource_set_is_preferred (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> is_preferred</code></em>);</pre>
<p>
Sets preferability of a resource.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>resource</code></em> :</span></p></td>
<td>A resource.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>is_preferred</code></em> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> to make <em class="parameter"><code>resource</code></em> preferred, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> to make it not
preferred.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-resource-use"></a><h3>gwy_resource_use ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_resource_use (<em class="parameter"><code><a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *resource</code></em>);</pre>
<p>
Starts using a resource.
</p>
<p>
Call to this function is necessary to use a resource properly.
It makes the resource to create any auxiliary structures that consume
considerable amount of memory and perform other initialization to
ready-to-use form.
</p>
<p>
When a resource is no longer used, it should be released with
<a class="link" href="GwyResource.html#gwy-resource-release" title="gwy_resource_release ()"><code class="function">gwy_resource_release()</code></a>.
</p>
<p>
In addition, it calls <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#g-object-ref"><code class="function">g_object_ref()</code></a> on the resource.
</p>
<p>
Resources usually exist through almost whole program lifetime from
<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a> perspective, but from the viewpoint of use this method is the
constructor and <a class="link" href="GwyResource.html#gwy-resource-release" title="gwy_resource_release ()"><code class="function">gwy_resource_release()</code></a> is the destructor.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>resource</code></em> :</span></p></td>
<td>A resource.</td>
</tr></tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="GwyResource.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GwyResource--is-const"></a><h3>The <code class="literal">"is-const"</code> property</h3>
<pre class="programlisting"> "is-const" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write / Construct Only</pre>
<p>Whether a resource is constant (system).</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyResource--is-preferred"></a><h3>The <code class="literal">"is-preferred"</code> property</h3>
<pre class="programlisting"> "is-preferred" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Whether a resource is preferred.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyResource--name"></a><h3>The <code class="literal">"name"</code> property</h3>
<pre class="programlisting"> "name" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read</pre>
<p>Resource name.</p>
<p>Default value: NULL</p>
</div>
</div>
<div class="refsect1">
<a name="GwyResource.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GwyResource-data-changed"></a><h3>The <code class="literal">"data-changed"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> *gwyresource,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a></pre>
<p>
The ::data-changed signal is emitted when resource data changes.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwyresource</code></em> :</span></p></td>
<td>The <a class="link" href="GwyResource.html" title="GwyResource"><span class="type">GwyResource</span></a> which received the signal.</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>
</div>
</div>
<div class="refsect1">
<a name="GwyResource.see-also"></a><h2>See Also</h2>
<a class="link" href="GwyInventory.html" title="GwyInventory"><span class="type">GwyInventory</span></a>
</div>
</div>
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