<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>ClutterRotateAction: Clutter Reference Manual</title> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="index.html" title="Clutter Reference Manual"> <link rel="up" href="ch04.html" title="Actions"> <link rel="prev" href="ClutterSwipeAction.html" title="ClutterSwipeAction"> <link rel="next" href="ClutterZoomAction.html" title="ClutterZoomAction"> <meta name="generator" content="GTK-Doc V1.24 (XML mode)"> <link rel="stylesheet" href="style.css" type="text/css"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> <td width="100%" align="left" class="shortcuts"> <a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> <a href="#ClutterRotateAction.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> <a href="#ClutterRotateAction.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_signals"> <span class="dim">|</span> <a href="#ClutterRotateAction.signals" class="shortcut">Signals</a></span> </td> <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> <td><a accesskey="u" href="ch04.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> <td><a accesskey="p" href="ClutterSwipeAction.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> <td><a accesskey="n" href="ClutterZoomAction.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> </tr></table> <div class="refentry"> <a name="ClutterRotateAction"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="ClutterRotateAction.top_of_page"></a>ClutterRotateAction</span></h2> <p>ClutterRotateAction — Action to rotate an actor</p> </td> <td class="gallery_image" valign="top" align="right"></td> </tr></table></div> <div class="refsect1"> <a name="ClutterRotateAction.functions"></a><h2>Functions</h2> <div class="informaltable"><table width="100%" border="0"> <colgroup> <col width="150px" class="functions_return"> <col class="functions_name"> </colgroup> <tbody><tr> <td class="function_type"> <a class="link" href="ClutterAction.html" title="ClutterAction"><span class="returnvalue">ClutterAction</span></a> * </td> <td class="function_name"> <a class="link" href="ClutterRotateAction.html#clutter-rotate-action-new" title="clutter_rotate_action_new ()">clutter_rotate_action_new</a> <span class="c_punctuation">()</span> </td> </tr></tbody> </table></div> </div> <div class="refsect1"> <a name="ClutterRotateAction.signals"></a><h2>Signals</h2> <div class="informaltable"><table border="0"> <colgroup> <col width="150px" class="signals_return"> <col width="300px" class="signals_name"> <col width="200px" class="signals_flags"> </colgroup> <tbody><tr> <td class="signal_type"><span class="returnvalue">gboolean</span></td> <td class="signal_name"><a class="link" href="ClutterRotateAction.html#ClutterRotateAction-rotate" title="The “rotate” signal">rotate</a></td> <td class="signal_flags">Run Last</td> </tr></tbody> </table></div> </div> <div class="refsect1"> <a name="ClutterRotateAction.other"></a><h2>Types and Values</h2> <div class="informaltable"><table width="100%" border="0"> <colgroup> <col width="150px" class="name"> <col class="description"> </colgroup> <tbody> <tr> <td class="datatype_keyword">struct</td> <td class="function_name"><a class="link" href="ClutterRotateAction.html#ClutterRotateAction-struct" title="struct ClutterRotateAction">ClutterRotateAction</a></td> </tr> <tr> <td class="datatype_keyword">struct</td> <td class="function_name"><a class="link" href="ClutterRotateAction.html#ClutterRotateActionClass" title="struct ClutterRotateActionClass">ClutterRotateActionClass</a></td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="ClutterRotateAction.object-hierarchy"></a><h2>Object Hierarchy</h2> <pre class="screen"> GObject <span class="lineart">╰──</span> GInitiallyUnowned <span class="lineart">╰──</span> <a class="link" href="ClutterActorMeta.html" title="ClutterActorMeta">ClutterActorMeta</a> <span class="lineart">╰──</span> <a class="link" href="ClutterAction.html" title="ClutterAction">ClutterAction</a> <span class="lineart">╰──</span> <a class="link" href="ClutterGestureAction.html" title="ClutterGestureAction">ClutterGestureAction</a> <span class="lineart">╰──</span> ClutterRotateAction </pre> </div> <div class="refsect1"> <a name="ClutterRotateAction.description"></a><h2>Description</h2> <p><a class="link" href="ClutterRotateAction.html" title="ClutterRotateAction"><span class="type">ClutterRotateAction</span></a> is a sub-class of <a class="link" href="ClutterGestureAction.html" title="ClutterGestureAction"><span class="type">ClutterGestureAction</span></a> that implements the logic for recognizing rotate gestures using two touch points.</p> </div> <div class="refsect1"> <a name="ClutterRotateAction.functions_details"></a><h2>Functions</h2> <div class="refsect2"> <a name="clutter-rotate-action-new"></a><h3>clutter_rotate_action_new ()</h3> <pre class="programlisting"><a class="link" href="ClutterAction.html" title="ClutterAction"><span class="returnvalue">ClutterAction</span></a> * clutter_rotate_action_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> <p>Creates a new <a class="link" href="ClutterRotateAction.html" title="ClutterRotateAction"><span class="type">ClutterRotateAction</span></a> instance</p> <div class="refsect3"> <a name="id-1.5.5.8.8.2.5"></a><h4>Returns</h4> <p> the newly created <a class="link" href="ClutterRotateAction.html" title="ClutterRotateAction"><span class="type">ClutterRotateAction</span></a></p> </div> <p class="since">Since: <a class="link" href="ix13.html#api-index-1.12">1.12</a></p> </div> </div> <div class="refsect1"> <a name="ClutterRotateAction.other_details"></a><h2>Types and Values</h2> <div class="refsect2"> <a name="ClutterRotateAction-struct"></a><h3>struct ClutterRotateAction</h3> <pre class="programlisting">struct ClutterRotateAction;</pre> <p>The <a class="link" href="ClutterRotateAction.html" title="ClutterRotateAction"><span class="type">ClutterRotateAction</span></a> structure contains only private data and should be accessed using the provided API</p> <p class="since">Since: <a class="link" href="ix13.html#api-index-1.12">1.12</a></p> </div> <hr> <div class="refsect2"> <a name="ClutterRotateActionClass"></a><h3>struct ClutterRotateActionClass</h3> <pre class="programlisting">struct ClutterRotateActionClass { gboolean (* rotate) (ClutterRotateAction *action, ClutterActor *actor, gdouble angle); }; </pre> <p>The <a class="link" href="ClutterRotateAction.html#ClutterRotateActionClass" title="struct ClutterRotateActionClass"><span class="type">ClutterRotateActionClass</span></a> structure contains only private data.</p> <div class="refsect3"> <a name="id-1.5.5.8.9.3.5"></a><h4>Members</h4> <div class="informaltable"><table width="100%" border="0"> <colgroup> <col width="300px" class="struct_members_name"> <col class="struct_members_description"> <col width="200px" class="struct_members_annotations"> </colgroup> <tbody><tr> <td class="struct_member_name"><p><em class="structfield"><code><a name="ClutterRotateActionClass.rotate"></a>rotate</code></em> ()</p></td> <td class="struct_member_description"><p>class handler for the <a class="link" href="ClutterRotateAction.html#ClutterRotateAction-rotate" title="The “rotate” signal"><span class="type">“rotate”</span></a> signal</p></td> <td class="struct_member_annotations"> </td> </tr></tbody> </table></div> </div> <p class="since">Since: <a class="link" href="ix13.html#api-index-1.12">1.12</a></p> </div> </div> <div class="refsect1"> <a name="ClutterRotateAction.signal-details"></a><h2>Signal Details</h2> <div class="refsect2"> <a name="ClutterRotateAction-rotate"></a><h3>The <code class="literal">“rotate”</code> signal</h3> <pre class="programlisting"><span class="returnvalue">gboolean</span> user_function (<a class="link" href="ClutterRotateAction.html" title="ClutterRotateAction"><span class="type">ClutterRotateAction</span></a> *action, <a class="link" href="ClutterActor.html" title="ClutterActor"><span class="type">ClutterActor</span></a> *actor, <span class="type">gdouble</span> angle, <span class="type">gpointer</span> user_data)</pre> <p>The ::rotate signal is emitted when a rotate gesture is recognized on the attached actor and when the gesture is cancelled (in this case with an angle value of 0).</p> <div class="refsect3"> <a name="id-1.5.5.8.10.2.5"></a><h4>Parameters</h4> <div class="informaltable"><table 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>action</p></td> <td class="parameter_description"><p>the <a class="link" href="ClutterRotateAction.html" title="ClutterRotateAction"><span class="type">ClutterRotateAction</span></a> that emitted the signal</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>actor</p></td> <td class="parameter_description"><p>the <a class="link" href="ClutterActor.html" title="ClutterActor"><span class="type">ClutterActor</span></a> attached to the <em class="parameter"><code>action</code></em> </p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>angle</p></td> <td class="parameter_description"><p>the difference of angle of rotation between the initial rotation and the current rotation</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="id-1.5.5.8.10.2.6"></a><h4>Returns</h4> <p> <code class="literal">TRUE</code> if the rotation should continue, and <code class="literal">FALSE</code> if the rotation should be cancelled.</p> </div> <p>Flags: Run Last</p> <p class="since">Since: <a class="link" href="ix13.html#api-index-1.12">1.12</a></p> </div> </div> </div> <div class="footer"> <hr>Generated by GTK-Doc V1.24</div> </body> </html>