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ITEADLIB_Arduino_Nextion/doc/Documentation/group___touch_event.html
2017-01-06 14:06:28 +08:00

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<p>How to attach(or detach) callback function called when touch event occurs.
<a href="#details">More...</a></p>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_nex_touch.html">NexTouch</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Father class of the components with touch events. <a href="class_nex_touch.html#details">More...</a><br /></td></tr>
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#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___touch_event.html#ga748c37a9bbe04ddc680fe1686154fefb">NEX_EVENT_PUSH</a>&#160;&#160;&#160;(0x01)</td></tr>
<tr class="memdesc:ga748c37a9bbe04ddc680fe1686154fefb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Push touch event occuring when your finger or pen coming to Nextion touch pannel. <br /></td></tr>
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#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___touch_event.html#ga5db3d99f88ac878875ca47713b7a54b6">NEX_EVENT_POP</a>&#160;&#160;&#160;(0x00)</td></tr>
<tr class="memdesc:ga5db3d99f88ac878875ca47713b7a54b6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pop touch event occuring when your finger or pen leaving from Nextion touch pannel. <br /></td></tr>
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<tr class="memitem:ga162dea47b078e8878d10d6981a9dd0c6"><td class="memItemLeft" align="right" valign="top">typedef void(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___touch_event.html#ga162dea47b078e8878d10d6981a9dd0c6">NexTouchEventCb</a> )(void *ptr)</td></tr>
<tr class="memdesc:ga162dea47b078e8878d10d6981a9dd0c6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Type of callback funciton when an touch event occurs. <a href="#ga162dea47b078e8878d10d6981a9dd0c6">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>How to attach(or detach) callback function called when touch event occurs. </p>
<h2 class="groupheader">Typedef Documentation</h2>
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<td class="memname">typedef void(* NexTouchEventCb)(void *ptr)</td>
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<p>Type of callback funciton when an touch event occurs. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">ptr</td><td>- user pointer for any purpose. Commonly, it is a pointer to a object. </td></tr>
</table>
</dd>
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<dl class="section return"><dt>Returns</dt><dd>none. </dd></dl>
<p>Definition at line <a class="el" href="_nex_touch_8h_source.html#l00045">45</a> of file <a class="el" href="_nex_touch_8h_source.html">NexTouch.h</a>.</p>
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