<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.11"/> <title>Qwt User's Guide: QwtPickerMachine Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { init_search(); }); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">Qwt User's Guide  <span id="projectnumber">6.1.3</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.11 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li> <div id="MSearchBox" class="MSearchBoxInactive"> <span class="left"> <img id="MSearchSelect" src="search/mag_sel.png" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/> <input type="text" id="MSearchField" value="Search" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> </span><span class="right"> <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> </span> </div> </li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="classes.html"><span>Class Index</span></a></li> <li><a href="inherits.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('class_qwt_picker_machine.html','');}); </script> <div id="doc-content"> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="summary"> <a href="#pub-types">Public Types</a> | <a href="#pub-methods">Public Member Functions</a> | <a href="class_qwt_picker_machine-members.html">List of all members</a> </div> <div class="headertitle"> <div class="title">QwtPickerMachine Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div> </div><!--header--> <div class="contents"> <p>A state machine for <a class="el" href="class_qwt_picker.html" title="QwtPicker provides selections on a widget. ">QwtPicker</a> selections. <a href="class_qwt_picker_machine.html#details">More...</a></p> <p><code>#include <<a class="el" href="qwt__picker__machine_8h_source.html">qwt_picker_machine.h</a>></code></p> <div class="dynheader"> Inheritance diagram for QwtPickerMachine:</div> <div class="dyncontent"> <div class="center"><img src="class_qwt_picker_machine__inherit__graph.png" border="0" usemap="#_qwt_picker_machine_inherit__map" alt="Inheritance graph"/></div> <map name="_qwt_picker_machine_inherit__map" id="_qwt_picker_machine_inherit__map"> <area shape="rect" id="node2" href="class_qwt_picker_click_point_machine.html" title="A state machine for point selections. " alt="" coords="188,5,383,32"/> <area shape="rect" id="node3" href="class_qwt_picker_click_rect_machine.html" title="A state machine for rectangle selections. " alt="" coords="190,56,381,83"/> <area shape="rect" id="node4" href="class_qwt_picker_drag_line_machine.html" title="A state machine for line selections. " alt="" coords="191,107,380,133"/> <area shape="rect" id="node5" href="class_qwt_picker_drag_point_machine.html" title="A state machine for point selections. " alt="" coords="188,157,383,184"/> <area shape="rect" id="node6" href="class_qwt_picker_drag_rect_machine.html" title="A state machine for rectangle selections. " alt="" coords="190,208,381,235"/> <area shape="rect" id="node7" href="class_qwt_picker_polygon_machine.html" title="A state machine for polygon selections. " alt="" coords="193,259,377,285"/> <area shape="rect" id="node8" href="class_qwt_picker_tracker_machine.html" title="A state machine for indicating mouse movements. " alt="" coords="194,309,377,336"/> </map> <center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a> Public Types</h2></td></tr> <tr class="memitem:a24a9faf12cfa5746eee839a2c0bb937d"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937d">SelectionType</a> { <a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937da326bcc03f7a99aa5970d875f3db46888">NoSelection</a> = -1, <a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937dae65a34cc1ca5d818eb65c05b2484d855">PointSelection</a>, <a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937da9f540e78958e8e238240584120e8af1d">RectSelection</a>, <a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937dac74671ee5ba5d6fd0410f71db1aa3b97">PolygonSelection</a> }</td></tr> <tr class="separator:a24a9faf12cfa5746eee839a2c0bb937d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a3a8d3d4c107ce5f8351e4cbdd38c43f7"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3a8d3d4c107ce5f8351e4cbdd38c43f7"></a>enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#a3a8d3d4c107ce5f8351e4cbdd38c43f7">Command</a> { <br />   <b>Begin</b>, <b>Append</b>, <b>Move</b>, <b>Remove</b>, <br />   <b>End</b> <br /> }<tr class="memdesc:a3a8d3d4c107ce5f8351e4cbdd38c43f7"><td class="mdescLeft"> </td><td class="mdescRight">Commands - the output of a state machine. <br /></td></tr> </td></tr> <tr class="separator:a3a8d3d4c107ce5f8351e4cbdd38c43f7"><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:ab27bc3f70d48aa145db9ebbfdba34e15"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab27bc3f70d48aa145db9ebbfdba34e15"></a>  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#ab27bc3f70d48aa145db9ebbfdba34e15">QwtPickerMachine</a> (<a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937d">SelectionType</a>)</td></tr> <tr class="memdesc:ab27bc3f70d48aa145db9ebbfdba34e15"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <br /></td></tr> <tr class="separator:ab27bc3f70d48aa145db9ebbfdba34e15"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa1164dfb8ae6ac62fb3b6cb19efcb3e5"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa1164dfb8ae6ac62fb3b6cb19efcb3e5"></a> virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#aa1164dfb8ae6ac62fb3b6cb19efcb3e5">~QwtPickerMachine</a> ()</td></tr> <tr class="memdesc:aa1164dfb8ae6ac62fb3b6cb19efcb3e5"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr> <tr class="separator:aa1164dfb8ae6ac62fb3b6cb19efcb3e5"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:acf7b57003bec437ce1ecf83e6d544968"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acf7b57003bec437ce1ecf83e6d544968"></a> virtual QList< <a class="el" href="class_qwt_picker_machine.html#a3a8d3d4c107ce5f8351e4cbdd38c43f7">Command</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#acf7b57003bec437ce1ecf83e6d544968">transition</a> (const <a class="el" href="class_qwt_event_pattern.html">QwtEventPattern</a> &, const QEvent *)=0</td></tr> <tr class="memdesc:acf7b57003bec437ce1ecf83e6d544968"><td class="mdescLeft"> </td><td class="mdescRight">Transition. <br /></td></tr> <tr class="separator:acf7b57003bec437ce1ecf83e6d544968"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ace6daa55324a8daab3839cf8ba677a93"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ace6daa55324a8daab3839cf8ba677a93"></a> void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#ace6daa55324a8daab3839cf8ba677a93">reset</a> ()</td></tr> <tr class="memdesc:ace6daa55324a8daab3839cf8ba677a93"><td class="mdescLeft"> </td><td class="mdescRight">Set the current state to 0. <br /></td></tr> <tr class="separator:ace6daa55324a8daab3839cf8ba677a93"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a9060b1036ef5125968fc7030681d73c0"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9060b1036ef5125968fc7030681d73c0"></a> int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#a9060b1036ef5125968fc7030681d73c0">state</a> () const </td></tr> <tr class="memdesc:a9060b1036ef5125968fc7030681d73c0"><td class="mdescLeft"> </td><td class="mdescRight">Return the current state. <br /></td></tr> <tr class="separator:a9060b1036ef5125968fc7030681d73c0"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a569c426543e4a6aa15c221eb7c4910f0"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a569c426543e4a6aa15c221eb7c4910f0"></a> void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#a569c426543e4a6aa15c221eb7c4910f0">setState</a> (int)</td></tr> <tr class="memdesc:a569c426543e4a6aa15c221eb7c4910f0"><td class="mdescLeft"> </td><td class="mdescRight">Change the current state. <br /></td></tr> <tr class="separator:a569c426543e4a6aa15c221eb7c4910f0"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a9ccd6ccb3fa0e2a73730e69a8658c316"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9ccd6ccb3fa0e2a73730e69a8658c316"></a> <a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937d">SelectionType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#a9ccd6ccb3fa0e2a73730e69a8658c316">selectionType</a> () const </td></tr> <tr class="memdesc:a9ccd6ccb3fa0e2a73730e69a8658c316"><td class="mdescLeft"> </td><td class="mdescRight">Return the selection type. <br /></td></tr> <tr class="separator:a9ccd6ccb3fa0e2a73730e69a8658c316"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>A state machine for <a class="el" href="class_qwt_picker.html" title="QwtPicker provides selections on a widget. ">QwtPicker</a> selections. </p> <p><a class="el" href="class_qwt_picker_machine.html" title="A state machine for QwtPicker selections. ">QwtPickerMachine</a> accepts key and mouse events and translates them into selection commands.</p> <dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_event_pattern.html#af48dc808ac5e125eeed41a4c0285d1ea" title="Symbolic mouse input codes. ">QwtEventPattern::MousePatternCode</a>, <a class="el" href="class_qwt_event_pattern.html#a8fb57ceb9982d5583a1bf568e37d3007" title="Symbolic keyboard input codes. ">QwtEventPattern::KeyPatternCode</a> </dd></dl> </div><h2 class="groupheader">Member Enumeration Documentation</h2> <a class="anchor" id="a24a9faf12cfa5746eee839a2c0bb937d"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">enum <a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937d">QwtPickerMachine::SelectionType</a></td> </tr> </table> </div><div class="memdoc"> <p>Type of a selection. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_picker_machine.html#a9ccd6ccb3fa0e2a73730e69a8658c316" title="Return the selection type. ">selectionType()</a> </dd></dl> <table class="fieldtable"> <tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="a24a9faf12cfa5746eee839a2c0bb937da326bcc03f7a99aa5970d875f3db46888"></a>NoSelection </td><td class="fielddoc"> <p>The state machine not usable for any type of selection. </p> </td></tr> <tr><td class="fieldname"><a class="anchor" id="a24a9faf12cfa5746eee839a2c0bb937dae65a34cc1ca5d818eb65c05b2484d855"></a>PointSelection </td><td class="fielddoc"> <p>The state machine is for selecting a single point. </p> </td></tr> <tr><td class="fieldname"><a class="anchor" id="a24a9faf12cfa5746eee839a2c0bb937da9f540e78958e8e238240584120e8af1d"></a>RectSelection </td><td class="fielddoc"> <p>The state machine is for selecting a rectangle (2 points). </p> </td></tr> <tr><td class="fieldname"><a class="anchor" id="a24a9faf12cfa5746eee839a2c0bb937dac74671ee5ba5d6fd0410f71db1aa3b97"></a>PolygonSelection </td><td class="fielddoc"> <p>The state machine is for selecting a polygon (many points). </p> </td></tr> </table> </div> </div> </div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="class_qwt_picker_machine.html">QwtPickerMachine</a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li> </ul> </div> </body> </html>