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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Qwt User's Guide: QwtPickerPolygonMachine Class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.6 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li id="current"><a href="classes.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="classes.html"><span>Alphabetical List</span></a></li> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul></div><h1>QwtPickerPolygonMachine Class Reference</h1><!-- doxytag: class="QwtPickerPolygonMachine" --><!-- doxytag: inherits="QwtPickerMachine" -->Inheritance diagram for QwtPickerPolygonMachine:<p><center><img src="class_qwt_picker_polygon_machine__inherit__graph.png" border="0" usemap="#_qwt_picker_polygon_machine__inherit__map" alt="Inheritance graph"></center><map name="_qwt_picker_polygon_machine__inherit__map"><area href="class_qwt_picker_machine.html" shape="rect" coords="29,8,163,32" alt=""></map><center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for QwtPickerPolygonMachine:<p><center><img src="class_qwt_picker_polygon_machine__coll__graph.png" border="0" usemap="#_qwt_picker_polygon_machine__coll__map" alt="Collaboration graph"></center><map name="_qwt_picker_polygon_machine__coll__map"><area href="class_qwt_picker_machine.html" shape="rect" coords="29,8,163,32" alt=""></map><center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="class_qwt_picker_polygon_machine-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>A state machine for polygon selections. <p>Pressing QwtEventPattern::MouseSelect1 or QwtEventPattern::KeySelect1 starts the selection and selects the first point, or appends a point. Pressing QwtEventPattern::MouseSelect2 or QwtEventPattern::KeySelect2 appends the last point and terminates the selection.<p><dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_event_pattern.html#f48dc808ac5e125eeed41a4c0285d1ea">QwtEventPattern::MousePatternCode</a>, <a class="el" href="class_qwt_event_pattern.html#8fb57ceb9982d5583a1bf568e37d3007">QwtEventPattern::KeyPatternCode</a> </dd></dl><p><p>Definition at line <a class="el" href="qwt__picker__machine_8h-source.html#l00146">146</a> of file <a class="el" href="qwt__picker__machine_8h-source.html">qwt_picker_machine.h</a>.<table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="class_qwt_picker_machine.html#c173f6053e54747d7154bbc015763a22">CommandList</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_polygon_machine.html#744ff47737743d062c8f544f7a8383e5">transition</a> (const <a class="el" href="class_qwt_event_pattern.html">QwtEventPattern</a> &, const QEvent *)</td></tr></table><hr><h2>Member Function Documentation</h2><a class="anchor" name="744ff47737743d062c8f544f7a8383e5"></a><!-- doxytag: member="QwtPickerPolygonMachine::transition" ref="744ff47737743d062c8f544f7a8383e5" args="(const QwtEventPattern &, const QEvent *)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"><a class="el" href="class_qwt_picker_machine.html#c173f6053e54747d7154bbc015763a22">QwtPickerMachine::CommandList</a> QwtPickerPolygonMachine::transition </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">const <a class="el" href="class_qwt_event_pattern.html">QwtEventPattern</a> & </td> <td class="mdname" nowrap>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>const QEvent * </td> <td class="mdname" nowrap></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"><code> [virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Transition. <p><p>Implements <a class="el" href="class_qwt_picker_machine.html#471bbb0faec23939aadb94e5e5f9ef73">QwtPickerMachine</a>.<p>Definition at line <a class="el" href="qwt__picker__machine_8cpp-source.html#l00300">300</a> of file <a class="el" href="qwt__picker__machine_8cpp-source.html">qwt_picker_machine.cpp</a>.<p>References <a class="el" href="qwt__event__pattern_8cpp-source.html#l00193">QwtEventPattern::mouseMatch()</a>, <a class="el" href="qwt__picker__machine_8cpp-source.html#l00032">QwtPickerMachine::setState()</a>, and <a class="el" href="qwt__picker__machine_8cpp-source.html#l00026">QwtPickerMachine::state()</a>. </td> </tr></table><hr size="1"><address style="align: right;"><small>Generated on Mon Feb 26 21:24:45 2007 for Qwt User's Guide by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address></body></html>⌨️ 快捷键说明
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