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<title>Qwt User's Guide: QwtPickerClickRectMachine Class Reference</title>
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<h1>QwtPickerClickRectMachine Class Reference</h1>Inheritance diagram for QwtPickerClickRectMachine:<p><center><img src="class_qwt_picker_click_rect_machine__inherit__graph.png" border="0" usemap="#_qwt_picker_click_rect_machine__inherit__map" alt="Inheritance graph"></center>
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for QwtPickerClickRectMachine:<p><center><img src="class_qwt_picker_click_rect_machine__coll__graph.png" border="0" usemap="#_qwt_picker_click_rect_machine__coll__map" alt="Collaboration graph"></center>
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="class_qwt_picker_click_rect_machine-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
A state machine for rectangle selections.
<p>
Pressing QwtEventPattern::MouseSelect1 starts the selection, releasing it selects the first point. Pressing it again selects the second point and terminates the selection. Pressing QwtEventPattern::KeySelect1 also starts the selection, a second press selects the first point. A third one selects the second point and terminates the selection.<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>
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Definition at line <a class="el" href="qwt__picker__machine_8h-source.html#l00098">98</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>
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<tr><td colspan=2><br><h2>Public Member Functions</h2></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_click_rect_machine.html#a0">transition</a> (const <a class="el" href="class_qwt_event_pattern.html">QwtEventPattern</a> &, const QEvent *)</td></tr>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="a0" doxytag="QwtPickerClickRectMachine::transition" ></a><p>
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<td class="md" nowrap valign="top"> QValueList< QwtPickerMachine::Command > QwtPickerClickRectMachine::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>
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<td class="md" nowrap>const QEvent * </td>
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<td class="md">) </td>
<td class="md" colspan="2"><code> [virtual]</code></td>
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Transition.
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Implements <a class="el" href="class_qwt_picker_machine.html#a1">QwtPickerMachine</a>.
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Definition at line <a class="el" href="qwt__picker__machine_8cpp-source.html#l00145">145</a> of file <a class="el" href="qwt__picker__machine_8cpp-source.html">qwt_picker_machine.cpp</a>.
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References <a class="el" href="qwt__event__pattern_8cpp-source.html#l00227">QwtEventPattern::keyMatch()</a>, <a class="el" href="qwt__event__pattern_8cpp-source.html#l00183">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>
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