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<div class="title">AnimatedPosition< Behaviour > Class Template Reference</div> </div>
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<p>Models a 1-dimensional position that can be dragged around by the user, and which will then continue moving with a customisable physics behaviour when released.
<a href="classAnimatedPosition.html#details">More...</a></p>
<div id="dynsection-0" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;">
<img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for AnimatedPosition< Behaviour >:</div>
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<table class="memberdecls">
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classAnimatedPosition_1_1Listener.html">Listener</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Implement this class if you need to receive callbacks when the value of an <a class="el" href="classAnimatedPosition.html" title="Models a 1-dimensional position that can be dragged around by the user, and which will then continue ...">AnimatedPosition</a> changes. <a href="classAnimatedPosition_1_1Listener.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a364daf059e5e4ac2bce94ea8a236c02c"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classAnimatedPosition.html#a364daf059e5e4ac2bce94ea8a236c02c">AnimatedPosition</a> ()</td></tr>
<tr class="separator:a364daf059e5e4ac2bce94ea8a236c02c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8513e6e68f4c37bbf1eaa6210467e672"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classAnimatedPosition.html#a8513e6e68f4c37bbf1eaa6210467e672">setLimits</a> (<a class="el" href="classRange.html">Range</a>< double > newRange)</td></tr>
<tr class="memdesc:a8513e6e68f4c37bbf1eaa6210467e672"><td class="mdescLeft"> </td><td class="mdescRight">Sets a range within which the value will be constrained. <a href="#a8513e6e68f4c37bbf1eaa6210467e672">More...</a><br /></td></tr>
<tr class="separator:a8513e6e68f4c37bbf1eaa6210467e672"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3378dd6b200539ef684f5d8031a4f69a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classAnimatedPosition.html#a3378dd6b200539ef684f5d8031a4f69a">beginDrag</a> ()</td></tr>
<tr class="memdesc:a3378dd6b200539ef684f5d8031a4f69a"><td class="mdescLeft"> </td><td class="mdescRight">Called to indicate that the object is now being controlled by a mouse-drag or similar operation. <a href="#a3378dd6b200539ef684f5d8031a4f69a">More...</a><br /></td></tr>
<tr class="separator:a3378dd6b200539ef684f5d8031a4f69a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aecd11c12c444387d46ef54931c5cbd86"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classAnimatedPosition.html#aecd11c12c444387d46ef54931c5cbd86">drag</a> (double deltaFromStartOfDrag)</td></tr>
<tr class="memdesc:aecd11c12c444387d46ef54931c5cbd86"><td class="mdescLeft"> </td><td class="mdescRight">Called during a mouse-drag operation, to indicate that the mouse has moved. <a href="#aecd11c12c444387d46ef54931c5cbd86">More...</a><br /></td></tr>
<tr class="separator:aecd11c12c444387d46ef54931c5cbd86"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a31520fda363c37afac010416dab7707f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classAnimatedPosition.html#a31520fda363c37afac010416dab7707f">endDrag</a> ()</td></tr>
<tr class="memdesc:a31520fda363c37afac010416dab7707f"><td class="mdescLeft"> </td><td class="mdescRight">Called after <a class="el" href="classAnimatedPosition.html#a3378dd6b200539ef684f5d8031a4f69a" title="Called to indicate that the object is now being controlled by a mouse-drag or similar operation...">beginDrag()</a> and <a class="el" href="classAnimatedPosition.html#aecd11c12c444387d46ef54931c5cbd86" title="Called during a mouse-drag operation, to indicate that the mouse has moved. ">drag()</a> to indicate that the drag operation has now finished. <a href="#a31520fda363c37afac010416dab7707f">More...</a><br /></td></tr>
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<tr class="memitem:aa58f2a396a133f7325322b5eeb9b1d3b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classAnimatedPosition.html#aa58f2a396a133f7325322b5eeb9b1d3b">nudge</a> (double deltaFromCurrentPosition)</td></tr>
<tr class="memdesc:aa58f2a396a133f7325322b5eeb9b1d3b"><td class="mdescLeft"> </td><td class="mdescRight">Called outside of a drag operation to cause a nudge in the specified direction. <a href="#aa58f2a396a133f7325322b5eeb9b1d3b">More...</a><br /></td></tr>
<tr class="separator:aa58f2a396a133f7325322b5eeb9b1d3b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6586cfc0cf0ec99e73d6287b0f2700f5"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classAnimatedPosition.html#a6586cfc0cf0ec99e73d6287b0f2700f5">getPosition</a> () const noexcept</td></tr>
<tr class="memdesc:a6586cfc0cf0ec99e73d6287b0f2700f5"><td class="mdescLeft"> </td><td class="mdescRight">Returns the current position. <a href="#a6586cfc0cf0ec99e73d6287b0f2700f5">More...</a><br /></td></tr>
<tr class="separator:a6586cfc0cf0ec99e73d6287b0f2700f5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a18201fedfc570cb04582ff65b9ddbf3d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classAnimatedPosition.html#a18201fedfc570cb04582ff65b9ddbf3d">setPosition</a> (double newPosition)</td></tr>
<tr class="memdesc:a18201fedfc570cb04582ff65b9ddbf3d"><td class="mdescLeft"> </td><td class="mdescRight">Explicitly sets the position and stops any further movement. <a href="#a18201fedfc570cb04582ff65b9ddbf3d">More...</a><br /></td></tr>
<tr class="separator:a18201fedfc570cb04582ff65b9ddbf3d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a26cb4a90ef54041d01dfe07be46c0e88"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classAnimatedPosition.html#a26cb4a90ef54041d01dfe07be46c0e88">addListener</a> (<a class="el" href="classAnimatedPosition_1_1Listener.html">Listener</a> *listener)</td></tr>
<tr class="memdesc:a26cb4a90ef54041d01dfe07be46c0e88"><td class="mdescLeft"> </td><td class="mdescRight">Adds a listener to be called when the value changes. <a href="#a26cb4a90ef54041d01dfe07be46c0e88">More...</a><br /></td></tr>
<tr class="separator:a26cb4a90ef54041d01dfe07be46c0e88"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aea1ba3edaac6d6f86739f64ca03f4597"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classAnimatedPosition.html#aea1ba3edaac6d6f86739f64ca03f4597">removeListener</a> (<a class="el" href="classAnimatedPosition_1_1Listener.html">Listener</a> *listener)</td></tr>
<tr class="memdesc:aea1ba3edaac6d6f86739f64ca03f4597"><td class="mdescLeft"> </td><td class="mdescRight">Removes a previously-registered listener. <a href="#aea1ba3edaac6d6f86739f64ca03f4597">More...</a><br /></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a8dee430f7730c4f6ff98b7f53d2f1d7b"><td class="memItemLeft" align="right" valign="top">Behaviour </td><td class="memItemRight" valign="bottom"><a class="el" href="classAnimatedPosition.html#a8dee430f7730c4f6ff98b7f53d2f1d7b">behaviour</a></td></tr>
<tr class="memdesc:a8dee430f7730c4f6ff98b7f53d2f1d7b"><td class="mdescLeft"> </td><td class="mdescRight">The behaviour object. <a href="#a8dee430f7730c4f6ff98b7f53d2f1d7b">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<typename Behaviour><br />
class AnimatedPosition< Behaviour ></h3>
<p>Models a 1-dimensional position that can be dragged around by the user, and which will then continue moving with a customisable physics behaviour when released. </p>
<p>This is useful for things like scrollable views or objects that can be dragged and thrown around with the mouse/touch, and by writing your own behaviour class, you can customise the trajectory that it follows when released.</p>
<p>The class uses its own <a class="el" href="classTimer.html" title="Makes repeated callbacks to a virtual method at a specified time interval. ">Timer</a> to continuously change its value when a drag ends, and <a class="el" href="classAnimatedPosition_1_1Listener.html" title="Implement this class if you need to receive callbacks when the value of an AnimatedPosition changes...">Listener</a> objects can be registered to receive callbacks whenever the value changes.</p>
<p>The value is stored as a double, and can be used to represent whatever units you need.</p>
<p>The template parameter Behaviour must be a class that implements various methods to return the physics of the value's movement - you can use the classes provided for this in the <a class="el" href="namespaceAnimatedPositionBehaviours.html" title="Contains classes for different types of physics behaviours - these classes are used as template param...">AnimatedPositionBehaviours</a> namespace, or write your own custom behaviour.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="structAnimatedPositionBehaviours_1_1ContinuousWithMomentum.html" title="A non-snapping behaviour that allows the content to be freely flicked in either direction, with momentum based on the velocity at which it was released, and variable friction to make it come to a halt. ">AnimatedPositionBehaviours::ContinuousWithMomentum</a>, <a class="el" href="structAnimatedPositionBehaviours_1_1SnapToPageBoundaries.html" title="A behaviour that gravitates an AnimatedPosition object towards the nearest integer position when rele...">AnimatedPositionBehaviours::SnapToPageBoundaries</a> </dd></dl>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a364daf059e5e4ac2bce94ea8a236c02c">§ </a></span>AnimatedPosition()</h2>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a8513e6e68f4c37bbf1eaa6210467e672">§ </a></span>setLimits()</h2>
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<p>Sets a range within which the value will be constrained. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3378dd6b200539ef684f5d8031a4f69a">§ </a></span>beginDrag()</h2>
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<p>Called to indicate that the object is now being controlled by a mouse-drag or similar operation. </p>
<p>After calling this method, you should make calls to the <a class="el" href="classAnimatedPosition.html#aecd11c12c444387d46ef54931c5cbd86" title="Called during a mouse-drag operation, to indicate that the mouse has moved. ">drag()</a> method each time the mouse drags the position around, and always be sure to finish with a call to <a class="el" href="classAnimatedPosition.html#a31520fda363c37afac010416dab7707f" title="Called after beginDrag() and drag() to indicate that the drag operation has now finished. ">endDrag()</a> when the mouse is released, which allows the position to continue moving freely according to the specified behaviour. </p>
<p>References <a class="el" href="classTimer.html#ab918b8c1f80bf1de92dd1a5878f498bd">Timer::stopTimer()</a>.</p>
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<p>Called during a mouse-drag operation, to indicate that the mouse has moved. </p>
<p>The delta is the difference between the position when <a class="el" href="classAnimatedPosition.html#a3378dd6b200539ef684f5d8031a4f69a" title="Called to indicate that the object is now being controlled by a mouse-drag or similar operation...">beginDrag()</a> was called and the new position that's required. </p>
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<p>Called after <a class="el" href="classAnimatedPosition.html#a3378dd6b200539ef684f5d8031a4f69a" title="Called to indicate that the object is now being controlled by a mouse-drag or similar operation...">beginDrag()</a> and <a class="el" href="classAnimatedPosition.html#aecd11c12c444387d46ef54931c5cbd86" title="Called during a mouse-drag operation, to indicate that the mouse has moved. ">drag()</a> to indicate that the drag operation has now finished. </p>
<p>References <a class="el" href="classTimer.html#a457efb22cb11b8518b18a0e8f02d818b">Timer::startTimerHz()</a>.</p>
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<p>Called outside of a drag operation to cause a nudge in the specified direction. </p>
<p>This is intended for use by e.g. mouse-wheel events. </p>
<p>References <a class="el" href="classTimer.html#a457efb22cb11b8518b18a0e8f02d818b">Timer::startTimerHz()</a>.</p>
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<p>Returns the current position. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a18201fedfc570cb04582ff65b9ddbf3d">§ </a></span>setPosition()</h2>
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template<typename Behaviour > </div>
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<td class="memname">void <a class="el" href="classAnimatedPosition.html">AnimatedPosition</a>< Behaviour >::setPosition </td>
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<td class="paramname"><em>newPosition</em></td><td>)</td>
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<p>Explicitly sets the position and stops any further movement. </p>
<p>This will cause a synchronous call to any listeners if the position actually changes. </p>
<p>References <a class="el" href="classTimer.html#ab918b8c1f80bf1de92dd1a5878f498bd">Timer::stopTimer()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a26cb4a90ef54041d01dfe07be46c0e88">§ </a></span>addListener()</h2>
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template<typename Behaviour > </div>
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<td class="memname">void <a class="el" href="classAnimatedPosition.html">AnimatedPosition</a>< Behaviour >::addListener </td>
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<td class="paramtype"><a class="el" href="classAnimatedPosition_1_1Listener.html">Listener</a> * </td>
<td class="paramname"><em>listener</em></td><td>)</td>
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<p>Adds a listener to be called when the value changes. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aea1ba3edaac6d6f86739f64ca03f4597">§ </a></span>removeListener()</h2>
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<td class="memname">void <a class="el" href="classAnimatedPosition.html">AnimatedPosition</a>< Behaviour >::removeListener </td>
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<td class="paramtype"><a class="el" href="classAnimatedPosition_1_1Listener.html">Listener</a> * </td>
<td class="paramname"><em>listener</em></td><td>)</td>
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<p>Removes a previously-registered listener. </p>
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a8dee430f7730c4f6ff98b7f53d2f1d7b">§ </a></span>behaviour</h2>
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template<typename Behaviour > </div>
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<td class="memname">Behaviour <a class="el" href="classAnimatedPosition.html">AnimatedPosition</a>< Behaviour >::behaviour</td>
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<p>The behaviour object. </p>
<p>This is public to let you tweak any parameters that it provides. </p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="juce__AnimatedPosition_8h.html">juce_AnimatedPosition.h</a></li>
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