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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: QwtPickerMachine Class Reference</title>
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<!-- Generated by Doxygen 1.3.8 -->
<div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="globals.html">File Members</a> | <a class="qindex" href="pages.html">Related Pages</a></div>
<h1>QwtPickerMachine Class Reference</h1>Inheritance diagram for QwtPickerMachine:<p><center><img src="class_qwt_picker_machine__inherit__graph.png" border="0" usemap="#_qwt_picker_machine__inherit__map" alt="Inheritance graph"></center>
<map name="_qwt_picker_machine__inherit__map">
<area href="class_qwt_picker_click_point_machine.html" shape="rect" coords="190,7,377,31" alt="">
<area href="class_qwt_picker_click_rect_machine.html" shape="rect" coords="193,55,374,79" alt="">
<area href="class_qwt_picker_drag_point_machine.html" shape="rect" coords="190,103,377,126" alt="">
<area href="class_qwt_picker_drag_rect_machine.html" shape="rect" coords="192,150,376,174" alt="">
<area href="class_qwt_picker_polygon_machine.html" shape="rect" coords="197,198,370,222" alt="">
</map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="class_qwt_picker_machine-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
A state machine for <a class="el" href="class_qwt_picker.html">QwtPicker</a> selections.
<p>
QwtPickerMachine accepts key and mouse events and translates them into selection commands.<p>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_event_pattern.html#w18">QwtEventPattern::MousePatternCode</a>, <a class="el" href="class_qwt_event_pattern.html#w19">QwtEventPattern::KeyPatternCode</a> </dd></dl>
<p>
Definition at line <a class="el" href="qwt__picker__machine_8h-source.html#l00028">28</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 Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>enum </td><td class="memItemRight" valign=bottom><b>Command</b> { <br>
<b>Begin</b>,
<br>
<b>Append</b>,
<br>
<b>Move</b>,
<br>
<b>End</b>
<br>
}</td></tr>
<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual </td><td class="memItemRight" valign=bottom><a class="el" href="class_qwt_picker_machine.html#a0">~QwtPickerMachine</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual QValueList< Command > </td><td class="memItemRight" valign=bottom><a class="el" href="class_qwt_picker_machine.html#a1">transition</a> (const <a class="el" href="class_qwt_event_pattern.html">QwtEventPattern</a> &, const QEvent *)=0</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="class_qwt_picker_machine.html#a2">reset</a> ()</td></tr>
<tr><td colspan=2><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top> </td><td class="memItemRight" valign=bottom><a class="el" href="class_qwt_picker_machine.html#b0">QwtPickerMachine</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="class_qwt_picker_machine.html#b1">state</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="class_qwt_picker_machine.html#b2">setState</a> (int)</td></tr>
</table>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="a0" doxytag="QwtPickerMachine::~QwtPickerMachine" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> QwtPickerMachine::~<a class="el" href="class_qwt_picker_machine.html">QwtPickerMachine</a> </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Destructor.
<p>
Definition at line <a class="el" href="qwt__picker__machine_8cpp-source.html#l00021">21</a> of file <a class="el" href="qwt__picker__machine_8cpp-source.html">qwt_picker_machine.cpp</a>. </td>
</tr>
</table>
<a class="anchor" name="b0" doxytag="QwtPickerMachine::QwtPickerMachine" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> QwtPickerMachine::QwtPickerMachine </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Constructor.
<p>
Definition at line <a class="el" href="qwt__picker__machine_8cpp-source.html#l00015">15</a> of file <a class="el" href="qwt__picker__machine_8cpp-source.html">qwt_picker_machine.cpp</a>. </td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="a2" doxytag="QwtPickerMachine::reset" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> void QwtPickerMachine::reset </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Set the current state to 0.
<p>
Definition at line <a class="el" href="qwt__picker__machine_8cpp-source.html#l00038">38</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__picker__machine_8cpp-source.html#l00032">setState()</a>.
<p>
Referenced by <a class="el" href="qwt__picker_8cpp-source.html#l00904">QwtPicker::widgetKeyPressEvent()</a>. </td>
</tr>
</table>
<a class="anchor" name="b2" doxytag="QwtPickerMachine::setState" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> void QwtPickerMachine::setState </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Change the current state.
<p>
Definition at line <a class="el" href="qwt__picker__machine_8cpp-source.html#l00032">32</a> of file <a class="el" href="qwt__picker__machine_8cpp-source.html">qwt_picker_machine.cpp</a>.
<p>
Referenced by <a class="el" href="qwt__picker__machine_8cpp-source.html#l00038">reset()</a>, <a class="el" href="qwt__picker__machine_8cpp-source.html#l00300">QwtPickerPolygonMachine::transition()</a>, <a class="el" href="qwt__picker__machine_8cpp-source.html#l00234">QwtPickerDragRectMachine::transition()</a>, <a class="el" href="qwt__picker__machine_8cpp-source.html#l00145">QwtPickerClickRectMachine::transition()</a>, and <a class="el" href="qwt__picker__machine_8cpp-source.html#l00081">QwtPickerDragPointMachine::transition()</a>. </td>
</tr>
</table>
<a class="anchor" name="b1" doxytag="QwtPickerMachine::state" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> int QwtPickerMachine::state </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Return the current state.
<p>
Definition at line <a class="el" href="qwt__picker__machine_8cpp-source.html#l00026">26</a> of file <a class="el" href="qwt__picker__machine_8cpp-source.html">qwt_picker_machine.cpp</a>.
<p>
Referenced by <a class="el" href="qwt__picker__machine_8cpp-source.html#l00300">QwtPickerPolygonMachine::transition()</a>, <a class="el" href="qwt__picker__machine_8cpp-source.html#l00234">QwtPickerDragRectMachine::transition()</a>, <a class="el" href="qwt__picker__machine_8cpp-source.html#l00145">QwtPickerClickRectMachine::transition()</a>, and <a class="el" href="qwt__picker__machine_8cpp-source.html#l00081">QwtPickerDragPointMachine::transition()</a>. </td>
</tr>
</table>
<a class="anchor" name="a1" doxytag="QwtPickerMachine::transition" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> virtual QValueList<Command> QwtPickerMachine::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></td>
<td class="md" nowrap>const QEvent * </td>
<td class="mdname" nowrap></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [pure virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Transition.
<p>
<p>
Implemented in <a class="el" href="class_qwt_picker_click_point_machine.html#a0">QwtPickerClickPointMachine</a>, <a class="el" href="class_qwt_picker_drag_point_machine.html#a0">QwtPickerDragPointMachine</a>, <a class="el" href="class_qwt_picker_click_rect_machine.html#a0">QwtPickerClickRectMachine</a>, <a class="el" href="class_qwt_picker_drag_rect_machine.html#a0">QwtPickerDragRectMachine</a>, and <a class="el" href="class_qwt_picker_polygon_machine.html#a0">QwtPickerPolygonMachine</a>.
<p>
<p>
Referenced by <a class="el" href="qwt__picker_8cpp-source.html#l00970">QwtPicker::transition()</a>. </td>
</tr>
</table>
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