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<?xml version="1.0" encoding="utf-8"?>
<html>
  <head>
    <meta charset="UTF-8"/>
    <title>Plank.Preferences &ndash; plank &ndash; Vala Binding Reference</title>
    <link href="devhelpstyle.css" rel="stylesheet" type="text/css"/><script src="scripts.js" type="text/javascript">
    </script>
  </head>
  <body>
    <div class="site_header">Plank.Preferences &ndash; plank Reference Manual</div>
    <div class="site_body">
      <div class="site_content">
        <h1 class="main_title">Preferences</h1>
        <hr class="main_hr"/>
        <h2 class="main_title">Object Hierarchy:</h2>
        <img class="main_diagram" usemap="#Plank.Preferences" alt="Object hierarchy for Preferences" src="img/Plank.Preferences.png"/>

      <map id="Plank.Preferences" name="Plank.Preferences">
<area shape="rect" id="node1" href="Plank.Preferences.html" title="Plank.Preferences" alt="" coords="5,101,156,149"/>
</map>

        <h2 class="main_title">Description:</h2>
        <div class="main_code_definition"><span class="main_keyword">public</span> <span class="main_keyword">abstract</span> <span class="main_keyword">class</span> <b><span class="abstract_class">Preferences</span></b> : <span class="main_type"><span class="class">Object</span></span>
        </div>
        <div class="description">
          <p>The base class for all preferences in the system. Preferences are serialized to files. The file is watched for changes and loads new 
            values if the backing file changed. When any public property of a sub-class is changed, the public properties are serialized to the 
            backing file.</p>
        </div>
        <div class="box">
          <div class="headline" onclick="toggle_box (this, 'box-content-79')">All known sub-classes:</div>
          <div class="content" id="box-content-79">
            <div class="column">
              <ul class="navi_inline">
                <li class="class"><a href="Plank.DockItemPreferences.html">DockItemPreferences</a></li>
              </ul>
            </div>
            <div class="column">
              <ul class="navi_inline">
                <li class="class"><a href="Plank.DockTheme.html">DockTheme</a></li>
              </ul>
            </div>
            <div class="column">
              <ul class="navi_inline">
                <li class="abstract_class"><a href="Plank.Theme.html">Theme</a></li>
              </ul>
            </div>
          </div>
        </div><br/>
        <div class="namespace_note"><b>Namespace:</b> <a href="Plank.html">Plank</a>
        </div>
        <div class="package_note"><b>Package:</b> <a href="index.htm">plank</a>
        </div>
        <h2 class="main_title">Content:</h2>
        <h3 class="main_title">Creation methods:</h3>
        <ul class="navi_inline">
          <li class="creation_method"><span class="leaf_code_definition"><span class="main_keyword">public</span> <b><a href="Plank.Preferences.Preferences.html" class="creation_method">Preferences</a></b> ()
            </span>
            <div class="leaf_brief_description"><span class="brief_description">Creates a new preferences object with no backing file.</span>
            </div></li>
          <li class="creation_method"><span class="leaf_code_definition"><span class="main_keyword">public</span> <b><a href="Plank.Preferences.Preferences.with_file.html" class="creation_method">Preferences.with_file</a></b> (<span class="main_type"><span class="interface">File</span></span> file)
            </span>
            <div class="leaf_brief_description"><span class="brief_description">Creates a preferences object with a backing file.</span>
            </div></li>
          <li class="creation_method"><span class="leaf_code_definition"><span class="main_keyword">public</span> <b><a href="Plank.Preferences.Preferences.with_filename.html" class="creation_method">Preferences.with_filename</a></b> (<span class="main_basic_type"><span class="class">string</span></span> filename)
            </span>
            <div class="leaf_brief_description"><span class="brief_description">Creates a preferences object with a backing filename.</span>
            </div></li>
        </ul>
        <h3 class="main_title">Methods:</h3>
        <ul class="navi_inline">
          <li class="virtual_method"><span class="leaf_code_definition"><span class="main_keyword">protected</span> <span class="main_keyword">virtual</span> <span class="main_keyword">void</span> <b><a href="Plank.Preferences.verify.html" class="virtual_method">verify</a></b> (<span class="main_basic_type"><span class="class">string</span></span> prop)
            </span>
            <div class="leaf_brief_description"><span class="brief_description">This method will verify the value of a property. If the value is 
                wrong, this method should replace it with a sanitized value.</span>
            </div></li>
          <li class="abstract_method"><span class="leaf_code_definition"><span class="main_keyword">protected</span> <span class="main_keyword">abstract</span> <span class="main_keyword">void</span> <b><a href="Plank.Preferences.reset_properties.html" class="abstract_method">reset_properties</a></b> ()
            </span>
            <div class="leaf_brief_description"><span class="brief_description">Resets all properties to their default values. Called from construct 
                and before loading from the backing file.</span>
            </div></li>
          <li class="method"><span class="leaf_code_definition"><span class="main_keyword">protected</span> <span class="main_keyword">void</span> <b><a href="Plank.Preferences.init_from_file.html" class="method">init_from_file</a></b> (<span class="main_type"><span class="interface">File</span></span> file)
            </span>
            <div class="leaf_brief_description"><span class="brief_description">Initializes this preferences with a backing file.</span>
            </div></li>
          <li class="method"><span class="leaf_code_definition"><span class="main_keyword">protected</span> <span class="main_keyword">void</span> <b><a href="Plank.Preferences.init_from_filename.html" class="method">init_from_filename</a></b> (<span class="main_basic_type"><span class="class">string</span></span> filename)
            </span>
            <div class="leaf_brief_description"><span class="brief_description">Initializes this preferences with a backing filename.</span>
            </div></li>
          <li class="method"><span class="leaf_code_definition"><span class="main_keyword">public</span> <span class="main_keyword">void</span> <b><a href="Plank.Preferences.delay.html" class="method">delay</a></b> ()
            </span>
            <div class="leaf_brief_description"><span class="brief_description">Delays saving changes to the backing file until apply() is called.
              </span>
            </div></li>
          <li class="method"><span class="leaf_code_definition"><span class="main_keyword">public</span> <span class="main_keyword">void</span> <b><a href="Plank.Preferences.apply.html" class="method">apply</a></b> ()
            </span>
            <div class="leaf_brief_description"><span class="brief_description">If any settings were changed, apply them now.</span>
            </div></li>
          <li class="method"><span class="leaf_code_definition"><span class="main_keyword">public</span> <span class="main_basic_type"><span class="class">string</span></span> <b><a href="Plank.Preferences.get_filename.html" class="method">get_filename</a></b> ()
            </span>
            <div class="leaf_brief_description"><span class="brief_description">Returns the filename of the backing file.</span>
            </div></li>
          <li class="method"><span class="leaf_code_definition"><span class="main_keyword">public</span> <span class="main_keyword">weak</span> <span class="main_type"><span class="interface">File</span></span>? <b><a href="Plank.Preferences.get_backing_file.html" class="method">get_backing_file</a></b> ()
            </span>
            <div class="leaf_brief_description"><span class="brief_description">Returns the backing file.</span>
            </div></li>
          <li class="method"><span class="leaf_code_definition"><span class="main_keyword">public</span> <span class="main_keyword">void</span> <b><a href="Plank.Preferences.@delete.html" class="method">@delete</a></b> ()
            </span>
            <div class="leaf_brief_description"><span class="brief_description">This forces the deletion of the backing file for this preferences.
              </span>
            </div></li>
        </ul>
        <h3 class="main_title">Signals:</h3>
        <ul class="navi_inline">
          <li class="signal"><span class="leaf_code_definition"><span class="main_keyword">public</span> <span class="main_keyword">signal</span> <span class="main_keyword">void</span> <b><a href="Plank.Preferences.deleted.html" class="signal">deleted</a></b> ()
            </span>
            <div class="leaf_brief_description"><span class="brief_description">This signal indicates that the backing file for this preferences was 
                deleted.</span>
            </div></li>
        </ul>
        <h3 class="main_title">Inherited Members:</h3>
        <div class="box">
          <div class="headline" onclick="toggle_box (this, 'box-content-80')">All known members inherited from class GLib.Object</div>
          <div class="content" id="box-content-80">
            <div class="column">
              <ul class="navi_inline">
                <li class="static_method">@new</li>
                <li class="static_method">new_valist</li>
                <li class="static_method">newv</li>
                <li class="method">add_toggle_ref</li>
                <li class="method">add_weak_pointer</li>
                <li class="method">bind_property</li>
                <li class="method">connect</li>
                <li class="virtual_method">constructed</li>
                <li class="method">disconnect</li>
                <li class="virtual_method">dispose</li>
                <li class="method">dup_data</li>
                <li class="method">dup_qdata</li>
                <li class="method">freeze_notify</li>
                <li class="method">@get</li>
              </ul>
            </div>
            <div class="column">
              <ul class="navi_inline">
                <li class="method">get_class</li>
                <li class="method">get_data</li>
                <li class="method">get_property</li>
                <li class="method">get_qdata</li>
                <li class="method">get_type</li>
                <li class="method">notify_property</li>
                <li class="method">@ref</li>
                <li class="method">ref_sink</li>
                <li class="method">replace_data</li>
                <li class="method">replace_qdata</li>
                <li class="method">remove_toggle_ref</li>
                <li class="method">remove_weak_pointer</li>
                <li class="method">@set</li>
                <li class="method">set_data</li>
              </ul>
            </div>
            <div class="column">
              <ul class="navi_inline">
                <li class="method">set_data_full</li>
                <li class="method">set_property</li>
                <li class="method">set_qdata</li>
                <li class="method">set_qdata_full</li>
                <li class="method">steal_data</li>
                <li class="method">steal_qdata</li>
                <li class="method">thaw_notify</li>
                <li class="method">unref</li>
                <li class="method">watch_closure</li>
                <li class="method">weak_ref</li>
                <li class="method">weak_unref</li>
                <li class="signal">notify</li>
                <li class="field">ref_count</li>
              </ul>
            </div>
          </div>
        </div>
      </div>
    </div><br/>
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