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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Xfce Generics: libxfce4util Reference Manual</title>
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<a href="#libxfce4util-Xfce-Generics.description" class="shortcut">Description</a></span>
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<div class="refentry">
<a name="libxfce4util-Xfce-Generics"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="libxfce4util-Xfce-Generics.top_of_page"></a>Xfce Generics</span></h2>
<p>Xfce Generics — Generic data types and related functions.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="libxfce4util-Xfce-Generics.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="libxfce4util-Xfce-Generics.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_proto_type">
<col class="functions_proto_name">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="libxfce4util-Xfce-Generics.html#XFCE-GENERIC-STACK:CAPS" title="XFCE_GENERIC_STACK()">XFCE_GENERIC_STACK</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="libxfce4util-Xfce-Generics.html#xfce-stack-new" title="xfce_stack_new()">xfce_stack_new</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="libxfce4util-Xfce-Generics.html#xfce-stack-free" title="xfce_stack_free()">xfce_stack_free</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="libxfce4util-Xfce-Generics.html#xfce-stack-top" title="xfce_stack_top()">xfce_stack_top</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="libxfce4util-Xfce-Generics.html#xfce-stack-pop" title="xfce_stack_pop()">xfce_stack_pop</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="libxfce4util-Xfce-Generics.html#xfce-stack-push" title="xfce_stack_push()">xfce_stack_push</a><span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="libxfce4util-Xfce-Generics.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <libxfce4util/libxfce4util.h>
</pre>
</div>
<div class="refsect1">
<a name="libxfce4util-Xfce-Generics.description"></a><h2>Description</h2>
<p>Xfce-dialogs are a collection of helper dialogs to display
the help dialog with link to the docs website, warning, info, and
error dialogs and more.</p>
<p>Using a generic stack</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
2
3
4
5
6
7
8</pre></td>
<td class="listing_code"><pre class="programlisting"><span class="k">typedef</span><span class="w"> </span><span class="n">XFCE_GENERIC_STACK</span><span class="p">(</span><span class="kt">int</span><span class="p">)</span><span class="w"> </span><span class="n">IntStack</span><span class="p">;</span>
<span class="n">IntStack</span><span class="w"> </span><span class="o">*</span><span class="n">stack</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">xfce_stack_new</span><span class="w"> </span><span class="p">(</span><span class="n">IntStack</span><span class="p">);</span>
<span class="n">xfce_stack_push</span><span class="w"> </span><span class="p">(</span><span class="n">stack</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>
<span class="n">xfce_stack_push</span><span class="w"> </span><span class="p">(</span><span class="n">stack</span><span class="p">,</span><span class="w"> </span><span class="mi">1</span><span class="p">);</span>
<span class="n">printf</span><span class="w"> </span><span class="p">(</span><span class="s">"Top is %d</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span><span class="w"> </span><span class="n">xfce_stack_top</span><span class="w"> </span><span class="p">(</span><span class="n">stack</span><span class="p">));</span>
<span class="n">xfce_stack_pop</span><span class="w"> </span><span class="p">(</span><span class="n">stack</span><span class="p">);</span>
<span class="n">printf</span><span class="w"> </span><span class="p">(</span><span class="s">"Top is %d</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span><span class="w"> </span><span class="n">xfce_stack_top</span><span class="w"> </span><span class="p">(</span><span class="n">stack</span><span class="p">));</span>
<span class="n">xfce_stack_free</span><span class="w"> </span><span class="p">(</span><span class="n">stack</span><span class="p">);</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p></p>
</div>
<div class="refsect1">
<a name="libxfce4util-Xfce-Generics.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="XFCE-GENERIC-STACK:CAPS"></a><h3>XFCE_GENERIC_STACK()</h3>
<pre class="programlisting">#define XFCE_GENERIC_STACK(Type)</pre>
<p>This macro is used to create a new stack data type which elements are of
<em class="parameter"><code>Type</code></em>
. For example, to create a stack type that handles elements of type
<code class="literal">double</code>, you'd write the following</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1</pre></td>
<td class="listing_code"><pre class="programlisting"><span class="k">typedef</span><span class="w"> </span><span class="n">XFCE_GENERIC_STACK</span><span class="p">(</span><span class="kt">double</span><span class="p">)</span><span class="w"> </span><span class="n">MyDoubleStack</span><span class="p">;</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p>
and furtheron refer to your stack type as <code class="literal">MyDoubleStack</code>.</p>
<div class="refsect3">
<a name="XFCE-GENERIC-STACK.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>Type</p></td>
<td class="parameter_description"><p>Data type of the elements that should be handled by the stack. Can be any valid data type from simple int's to complex structures.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xfce-stack-new"></a><h3>xfce_stack_new()</h3>
<pre class="programlisting">#define xfce_stack_new(StackType)</pre>
<p>Creates a new instance of <em class="parameter"><code>StackType</code></em>
and returns a pointer to the newly
created instance. For example, imagine you declared a type <code class="literal">MyDoubleStack</code>
as shown above, you can instantiate this type with</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1</pre></td>
<td class="listing_code"><pre class="programlisting"><span class="n">MyDoubleStack</span><span class="w"> </span><span class="o">*</span><span class="n">my_stack</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">xfce_stack_new</span><span class="w"> </span><span class="p">(</span><span class="n">MyDoubleStack</span><span class="p">);</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p></p>
<div class="refsect3">
<a name="xfce-stack-new.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>StackType</p></td>
<td class="parameter_description"><p>Type of stack declared with <a class="link" href="libxfce4util-Xfce-Generics.html#XFCE-GENERIC-STACK:CAPS" title="XFCE_GENERIC_STACK()"><span class="type">XFCE_GENERIC_STACK</span></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xfce-stack-free"></a><h3>xfce_stack_free()</h3>
<pre class="programlisting">#define xfce_stack_free(stack)</pre>
<p>Frees a stack, that was allocated using <a class="link" href="libxfce4util-Xfce-Generics.html#xfce-stack-new" title="xfce_stack_new()"><span class="type">xfce_stack_new</span></a>.</p>
<div class="refsect3">
<a name="xfce-stack-free.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>stack</p></td>
<td class="parameter_description"><p>A stack object.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xfce-stack-top"></a><h3>xfce_stack_top()</h3>
<pre class="programlisting">#define xfce_stack_top(stack)</pre>
<p>Removes the top element from <em class="parameter"><code>stack</code></em>
.</p>
<div class="refsect3">
<a name="xfce-stack-top.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>stack</p></td>
<td class="parameter_description"><p>A stack object.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xfce-stack-pop"></a><h3>xfce_stack_pop()</h3>
<pre class="programlisting">#define xfce_stack_pop(stack)</pre>
<p>Removes the top element from <em class="parameter"><code>stack</code></em>
.</p>
<div class="refsect3">
<a name="xfce-stack-pop.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>stack</p></td>
<td class="parameter_description"><p>A stack object.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xfce-stack-push"></a><h3>xfce_stack_push()</h3>
<pre class="programlisting">#define xfce_stack_push(stack, value)</pre>
<p>Pushes a new <em class="parameter"><code>value</code></em>
on top of <em class="parameter"><code>stack</code></em>
.</p>
<div class="refsect3">
<a name="xfce-stack-push.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>stack</p></td>
<td class="parameter_description"><p>A stack object.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>the value to push</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
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