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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta name="author" content="Emanuel Eichhammer" />
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<title>QCPSelectionRect Class Reference</title>
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<a href="#pub-methods">Public Functions</a> |
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<div class="title">QCPSelectionRect Class Reference</div> </div>
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<div class="contents">
<p>Provides rect/rubber-band data selection and range zoom interaction.
<a href="classQCPSelectionRect.html#details">More...</a></p>
<div class="dynheader">
Inheritance diagram for QCPSelectionRect:</div>
<div class="dyncontent">
<div class="center"><img src="classQCPSelectionRect__inherit__graph.png" border="0" usemap="#QCPSelectionRect_inherit__map" alt="Inheritance graph"/></div>
<map name="QCPSelectionRect_inherit__map" id="QCPSelectionRect_inherit__map">
<area shape="rect" id="node2" href="classQCPLayerable.html" title="Base class for all drawable objects. " alt="" coords="16,5,117,29"/>
</map>
</div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Functions</h2></td></tr>
<tr class="memitem:ade6ee59fabcc585a1e281eb527b01867"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#ade6ee59fabcc585a1e281eb527b01867">QCPSelectionRect</a> (<a class="el" href="classQCustomPlot.html">QCustomPlot</a> *parentPlot)</td></tr>
<tr class="separator:ade6ee59fabcc585a1e281eb527b01867"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3812115ae4dfe2855bf1e58331c14805"><td class="memItemLeft" align="right" valign="top"><a id="a3812115ae4dfe2855bf1e58331c14805"></a>
QRect </td><td class="memItemRight" valign="bottom"><b>rect</b> () const</td></tr>
<tr class="separator:a3812115ae4dfe2855bf1e58331c14805"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a23ab082ffa04be1dbf9afb9e633ab815"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classQCPRange.html">QCPRange</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#a23ab082ffa04be1dbf9afb9e633ab815">range</a> (const <a class="el" href="classQCPAxis.html">QCPAxis</a> *axis) const</td></tr>
<tr class="separator:a23ab082ffa04be1dbf9afb9e633ab815"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab4229f8faeaffba9617d2e6c4779b765"><td class="memItemLeft" align="right" valign="top"><a id="ab4229f8faeaffba9617d2e6c4779b765"></a>
QPen </td><td class="memItemRight" valign="bottom"><b>pen</b> () const</td></tr>
<tr class="separator:ab4229f8faeaffba9617d2e6c4779b765"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9669c77c5796dea9dc089a088d50ebfb"><td class="memItemLeft" align="right" valign="top"><a id="a9669c77c5796dea9dc089a088d50ebfb"></a>
QBrush </td><td class="memItemRight" valign="bottom"><b>brush</b> () const</td></tr>
<tr class="separator:a9669c77c5796dea9dc089a088d50ebfb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad27c1569c6ea8fa48e24b81e2a302df3"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#ad27c1569c6ea8fa48e24b81e2a302df3">isActive</a> () const</td></tr>
<tr class="separator:ad27c1569c6ea8fa48e24b81e2a302df3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ada20b7fb1b2dcbe50523262636b06963"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#ada20b7fb1b2dcbe50523262636b06963">setPen</a> (const QPen &pen)</td></tr>
<tr class="separator:ada20b7fb1b2dcbe50523262636b06963"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab0c66f1484418782efa01f4153611080"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#ab0c66f1484418782efa01f4153611080">setBrush</a> (const QBrush &brush)</td></tr>
<tr class="separator:ab0c66f1484418782efa01f4153611080"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af67bc58f4f5ce9a4dc420b9c42de235a"><td class="memItemLeft" align="right" valign="top">Q_SLOT void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#af67bc58f4f5ce9a4dc420b9c42de235a">cancel</a> ()</td></tr>
<tr class="separator:af67bc58f4f5ce9a4dc420b9c42de235a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_classQCPLayerable"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classQCPLayerable')"><img src="closed.png" alt="-"/> Public Functions inherited from <a class="el" href="classQCPLayerable.html">QCPLayerable</a></td></tr>
<tr class="memitem:a74c0fa237f29bf0e49565013fc5d1ec0 inherit pub_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#a74c0fa237f29bf0e49565013fc5d1ec0">QCPLayerable</a> (<a class="el" href="classQCustomPlot.html">QCustomPlot</a> *plot, QString targetLayer=QString(), <a class="el" href="classQCPLayerable.html">QCPLayerable</a> *<a class="el" href="classQCPLayerable.html#aa78b7e644d2c519e1a9a6f2ac5fcd858">parentLayerable</a>=0)</td></tr>
<tr class="separator:a74c0fa237f29bf0e49565013fc5d1ec0 inherit pub_methods_classQCPLayerable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af0297b944b6192b6d67d00bff41b6b70 inherit pub_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top"><a id="af0297b944b6192b6d67d00bff41b6b70"></a>
bool </td><td class="memItemRight" valign="bottom"><b>visible</b> () const</td></tr>
<tr class="separator:af0297b944b6192b6d67d00bff41b6b70 inherit pub_methods_classQCPLayerable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a473edb813a4c1929d6b6a8fe3ff3faf7 inherit pub_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top"><a id="a473edb813a4c1929d6b6a8fe3ff3faf7"></a>
<a class="el" href="classQCustomPlot.html">QCustomPlot</a> * </td><td class="memItemRight" valign="bottom"><b>parentPlot</b> () const</td></tr>
<tr class="separator:a473edb813a4c1929d6b6a8fe3ff3faf7 inherit pub_methods_classQCPLayerable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa78b7e644d2c519e1a9a6f2ac5fcd858 inherit pub_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classQCPLayerable.html">QCPLayerable</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#aa78b7e644d2c519e1a9a6f2ac5fcd858">parentLayerable</a> () const</td></tr>
<tr class="separator:aa78b7e644d2c519e1a9a6f2ac5fcd858 inherit pub_methods_classQCPLayerable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5ff4862e8c784c9f5986dbc1533ba2a4 inherit pub_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top"><a id="a5ff4862e8c784c9f5986dbc1533ba2a4"></a>
<a class="el" href="classQCPLayer.html">QCPLayer</a> * </td><td class="memItemRight" valign="bottom"><b>layer</b> () const</td></tr>
<tr class="separator:a5ff4862e8c784c9f5986dbc1533ba2a4 inherit pub_methods_classQCPLayerable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a71cbd212fde2703cee076e204a475709 inherit pub_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top"><a id="a71cbd212fde2703cee076e204a475709"></a>
bool </td><td class="memItemRight" valign="bottom"><b>antialiased</b> () const</td></tr>
<tr class="separator:a71cbd212fde2703cee076e204a475709 inherit pub_methods_classQCPLayerable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3bed99ddc396b48ce3ebfdc0418744f8 inherit pub_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#a3bed99ddc396b48ce3ebfdc0418744f8">setVisible</a> (bool on)</td></tr>
<tr class="separator:a3bed99ddc396b48ce3ebfdc0418744f8 inherit pub_methods_classQCPLayerable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab0d0da6d2de45a118886d2c8e16d5a54 inherit pub_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top">Q_SLOT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#ab0d0da6d2de45a118886d2c8e16d5a54">setLayer</a> (<a class="el" href="classQCPLayer.html">QCPLayer</a> *layer)</td></tr>
<tr class="separator:ab0d0da6d2de45a118886d2c8e16d5a54 inherit pub_methods_classQCPLayerable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab25a0e7b897993b44447caee0f142083 inherit pub_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#ab25a0e7b897993b44447caee0f142083">setLayer</a> (const QString &layerName)</td></tr>
<tr class="separator:ab25a0e7b897993b44447caee0f142083 inherit pub_methods_classQCPLayerable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4fd43e89be4a553ead41652565ff0581 inherit pub_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#a4fd43e89be4a553ead41652565ff0581">setAntialiased</a> (bool enabled)</td></tr>
<tr class="separator:a4fd43e89be4a553ead41652565ff0581 inherit pub_methods_classQCPLayerable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a04db8351fefd44cfdb77958e75c6288e inherit pub_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top">virtual double </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#a04db8351fefd44cfdb77958e75c6288e">selectTest</a> (const QPointF &pos, bool onlySelectable, QVariant *details=0) const</td></tr>
<tr class="separator:a04db8351fefd44cfdb77958e75c6288e inherit pub_methods_classQCPLayerable"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab054e88f15d485defcb95e7376f119e7 inherit pub_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#ab054e88f15d485defcb95e7376f119e7">realVisibility</a> () const</td></tr>
<tr class="separator:ab054e88f15d485defcb95e7376f119e7 inherit pub_methods_classQCPLayerable"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="signals"></a>
Signals</h2></td></tr>
<tr class="memitem:a7b7162d19f4f2174d3644ff1a5d335aa"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#a7b7162d19f4f2174d3644ff1a5d335aa">started</a> (QMouseEvent *event)</td></tr>
<tr class="separator:a7b7162d19f4f2174d3644ff1a5d335aa"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1bab11026bca52740c2e6682623e6964"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#a1bab11026bca52740c2e6682623e6964">changed</a> (const QRect &rect, QMouseEvent *event)</td></tr>
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<tr class="memitem:aeb82009393c90130102dccf36477b906"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#aeb82009393c90130102dccf36477b906">canceled</a> (const QRect &rect, QInputEvent *event)</td></tr>
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<tr class="memitem:a15a43542e1f7b953a44c260b419e6d2c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#a15a43542e1f7b953a44c260b419e6d2c">accepted</a> (const QRect &rect, QMouseEvent *event)</td></tr>
<tr class="separator:a15a43542e1f7b953a44c260b419e6d2c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header signals_classQCPLayerable"><td colspan="2" onclick="javascript:toggleInherit('signals_classQCPLayerable')"><img src="closed.png" alt="-"/> Signals inherited from <a class="el" href="classQCPLayerable.html">QCPLayerable</a></td></tr>
<tr class="memitem:abbf8657cedea73ac1c3499b521c90eba inherit signals_classQCPLayerable"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#abbf8657cedea73ac1c3499b521c90eba">layerChanged</a> (<a class="el" href="classQCPLayer.html">QCPLayer</a> *newLayer)</td></tr>
<tr class="separator:abbf8657cedea73ac1c3499b521c90eba inherit signals_classQCPLayerable"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Functions</h2></td></tr>
<tr class="memitem:a271f24cfca8bc50a0e2b4310ff90e227"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#a271f24cfca8bc50a0e2b4310ff90e227">startSelection</a> (QMouseEvent *event)</td></tr>
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<tr class="memitem:a95c3f1700be2a6d7bba0fe56ece5fbb1"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#a95c3f1700be2a6d7bba0fe56ece5fbb1">moveSelection</a> (QMouseEvent *event)</td></tr>
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<tr class="memitem:a625bcffd73987f6de6c6559aaf29ab9d"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#a625bcffd73987f6de6c6559aaf29ab9d">endSelection</a> (QMouseEvent *event)</td></tr>
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<tr class="memitem:a1affe764316d6122a26fdb2e9583feb1"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#a1affe764316d6122a26fdb2e9583feb1">keyPressEvent</a> (QKeyEvent *event)</td></tr>
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<tr class="memitem:a7e64a95c3d65d0b86269ed1a31039300"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPSelectionRect.html#a7e64a95c3d65d0b86269ed1a31039300">applyDefaultAntialiasingHint</a> (<a class="el" href="classQCPPainter.html">QCPPainter</a> *painter) const</td></tr>
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<tr class="inherit_header pro_methods_classQCPLayerable"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classQCPLayerable')"><img src="closed.png" alt="-"/> Protected Functions inherited from <a class="el" href="classQCPLayerable.html">QCPLayerable</a></td></tr>
<tr class="memitem:ab20b7dbd8e0249ed61adb9622c427382 inherit pro_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#ab20b7dbd8e0249ed61adb9622c427382">parentPlotInitialized</a> (<a class="el" href="classQCustomPlot.html">QCustomPlot</a> *parentPlot)</td></tr>
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<tr class="memitem:a908c9edda761886f33893be326dab77d inherit pro_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="namespaceQCP.html#a2ad6bb6281c7c2d593d4277b44c2b037">QCP::Interaction</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#a908c9edda761886f33893be326dab77d">selectionCategory</a> () const</td></tr>
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<tr class="memitem:acbcfc9ecc75433747b1978a77b1864b3 inherit pro_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top">virtual QRect </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#acbcfc9ecc75433747b1978a77b1864b3">clipRect</a> () const</td></tr>
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<tr class="memitem:ae546370644a5551c76af739afc008bee inherit pro_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#ae546370644a5551c76af739afc008bee">deselectEvent</a> (bool *selectionStateChanged)</td></tr>
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<tr class="memitem:a8cbe5a0c9a5674249982f5ca5f8e02bc inherit pro_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#a8cbe5a0c9a5674249982f5ca5f8e02bc">initializeParentPlot</a> (<a class="el" href="classQCustomPlot.html">QCustomPlot</a> *parentPlot)</td></tr>
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<tr class="memitem:af94484cfb7cbbddb7de522e9be71d9a4 inherit pro_methods_classQCPLayerable"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPLayerable.html#af94484cfb7cbbddb7de522e9be71d9a4">moveToLayer</a> (<a class="el" href="classQCPLayer.html">QCPLayer</a> *layer, bool prepend)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Provides rect/rubber-band data selection and range zoom interaction. </p>
<p><a class="el" href="classQCPSelectionRect.html" title="Provides rect/rubber-band data selection and range zoom interaction. ">QCPSelectionRect</a> is used by <a class="el" href="classQCustomPlot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> when the <a class="el" href="classQCustomPlot.html#a810ef958ebe84db661c7288b526c0deb">QCustomPlot::setSelectionRectMode</a> is not <a class="el" href="namespaceQCP.html#ac9aa4d6d81ac76b094f9af9ad2d3aacfa9032f170490d67240a6c68c2638ffab1">QCP::srmNone</a>. When the user drags the mouse across the plot, the current selection rect instance (<a class="el" href="classQCustomPlot.html#a0c09f96df15faa4799ad7051bb16cf33">QCustomPlot::setSelectionRect</a>) is forwarded these events and makes sure an according rect shape is drawn. At the begin, during, and after completion of the interaction, it emits the corresponding signals <a class="el" href="classQCPSelectionRect.html#a7b7162d19f4f2174d3644ff1a5d335aa">started</a>, <a class="el" href="classQCPSelectionRect.html#a1bab11026bca52740c2e6682623e6964">changed</a>, <a class="el" href="classQCPSelectionRect.html#aeb82009393c90130102dccf36477b906">canceled</a>, and <a class="el" href="classQCPSelectionRect.html#a15a43542e1f7b953a44c260b419e6d2c">accepted</a>.</p>
<p>The <a class="el" href="classQCustomPlot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> instance connects own slots to the current selection rect instance, in order to react to an accepted selection rect interaction accordingly.</p>
<p><a class="el" href="classQCPSelectionRect.html#ad27c1569c6ea8fa48e24b81e2a302df3">isActive</a> can be used to check whether the selection rect is currently active. An ongoing selection interaction can be cancelled programmatically via calling <a class="el" href="classQCPSelectionRect.html#af67bc58f4f5ce9a4dc420b9c42de235a">cancel</a> at any time.</p>
<p>The appearance of the selection rect can be controlled via <a class="el" href="classQCPSelectionRect.html#ada20b7fb1b2dcbe50523262636b06963">setPen</a> and <a class="el" href="classQCPSelectionRect.html#ab0c66f1484418782efa01f4153611080">setBrush</a>.</p>
<p>If you wish to provide custom behaviour, e.g. a different visual representation of the selection rect (<a class="el" href="classQCPSelectionRect.html#afdc52566dceccb494c1ed2be33b147c9">QCPSelectionRect::draw</a>), you can subclass <a class="el" href="classQCPSelectionRect.html" title="Provides rect/rubber-band data selection and range zoom interaction. ">QCPSelectionRect</a> and pass an instance of your subclass to <a class="el" href="classQCustomPlot.html#a0c09f96df15faa4799ad7051bb16cf33">QCustomPlot::setSelectionRect</a>. </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<p>Creates a new <a class="el" href="classQCPSelectionRect.html" title="Provides rect/rubber-band data selection and range zoom interaction. ">QCPSelectionRect</a> instance. To make <a class="el" href="classQCustomPlot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> use the selection rect instance, pass it to <a class="el" href="classQCustomPlot.html#a0c09f96df15faa4799ad7051bb16cf33">QCustomPlot::setSelectionRect</a>. <em>parentPlot</em> should be set to the same <a class="el" href="classQCustomPlot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> widget. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname"><a class="el" href="classQCPRange.html">QCPRange</a> QCPSelectionRect::range </td>
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<p>A convenience function which returns the coordinate range of the provided <em>axis</em>, that this selection rect currently encompasses. </p>
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<p>Returns true if there is currently a selection going on, i.e. the user has started dragging a selection rect, but hasn't released the mouse button yet.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classQCPSelectionRect.html#af67bc58f4f5ce9a4dc420b9c42de235a">cancel</a> </dd></dl>
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<p>Sets the pen that will be used to draw the selection rect outline.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classQCPSelectionRect.html#ab0c66f1484418782efa01f4153611080">setBrush</a> </dd></dl>
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<p>Sets the brush that will be used to fill the selection rect. By default the selection rect is not filled, i.e. <em>brush</em> is <code>Qt::NoBrush</code>.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classQCPSelectionRect.html#ada20b7fb1b2dcbe50523262636b06963">setPen</a> </dd></dl>
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<p>If there is currently a selection interaction going on (<a class="el" href="classQCPSelectionRect.html#ad27c1569c6ea8fa48e24b81e2a302df3">isActive</a>), the interaction is canceled. The selection rect will emit the <a class="el" href="classQCPSelectionRect.html#aeb82009393c90130102dccf36477b906">canceled</a> signal. </p>
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<p>This signal is emitted when a selection rect interaction was initiated, i.e. the user just started dragging the selection rect with the mouse. </p>
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<p>This signal is emitted while the selection rect interaction is ongoing and the <em>rect</em> has changed its size due to the user moving the mouse.</p>
<p>Note that <em>rect</em> may have a negative width or height, if the selection is being dragged to the upper or left side of the selection rect origin. </p>
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<p>This signal is emitted when the selection interaction was cancelled. Note that <em>event</em> is 0 if the selection interaction was cancelled programmatically, by a call to <a class="el" href="classQCPSelectionRect.html#af67bc58f4f5ce9a4dc420b9c42de235a">cancel</a>.</p>
<p>The user may cancel the selection interaction by pressing the escape key. In this case, <em>event</em> holds the respective input event.</p>
<p>Note that <em>rect</em> may have a negative width or height, if the selection is being dragged to the upper or left side of the selection rect origin. </p>
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<p>This signal is emitted when the selection interaction was completed by the user releasing the mouse button.</p>
<p>Note that <em>rect</em> may have a negative width or height, if the selection is being dragged to the upper or left side of the selection rect origin. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a271f24cfca8bc50a0e2b4310ff90e227">§ </a></span>startSelection()</h2>
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<td class="memname">void QCPSelectionRect::startSelection </td>
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<p>This method is called by <a class="el" href="classQCustomPlot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> to indicate that a selection rect interaction was initiated. The default implementation sets the selection rect to active, initializes the selection rect geometry and emits the <a class="el" href="classQCPSelectionRect.html#a7b7162d19f4f2174d3644ff1a5d335aa">started</a> signal. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a95c3f1700be2a6d7bba0fe56ece5fbb1">§ </a></span>moveSelection()</h2>
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<p>This method is called by <a class="el" href="classQCustomPlot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> to indicate that an ongoing selection rect interaction needs to update its geometry. The default implementation updates the rect and emits the <a class="el" href="classQCPSelectionRect.html#a1bab11026bca52740c2e6682623e6964">changed</a> signal. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a625bcffd73987f6de6c6559aaf29ab9d">§ </a></span>endSelection()</h2>
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<td class="memname">void QCPSelectionRect::endSelection </td>
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<p>This method is called by <a class="el" href="classQCustomPlot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> to indicate that an ongoing selection rect interaction has finished by the user releasing the mouse button. The default implementation deactivates the selection rect and emits the <a class="el" href="classQCPSelectionRect.html#a15a43542e1f7b953a44c260b419e6d2c">accepted</a> signal. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1affe764316d6122a26fdb2e9583feb1">§ </a></span>keyPressEvent()</h2>
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<p>This method is called by <a class="el" href="classQCustomPlot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> when a key has been pressed by the user while the selection rect interaction is active. The default implementation allows to <a class="el" href="classQCPSelectionRect.html#af67bc58f4f5ce9a4dc420b9c42de235a">cancel</a> the interaction by hitting the escape key. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7e64a95c3d65d0b86269ed1a31039300">§ </a></span>applyDefaultAntialiasingHint()</h2>
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<p>This function applies the default antialiasing setting to the specified <em>painter</em>, using the function <a class="el" href="classQCPLayerable.html#acb663e375d2d36dc5c55021ee5a2119b">applyAntialiasingHint</a>. It is the antialiasing state the painter is put in, when <a class="el" href="classQCPSelectionRect.html#afdc52566dceccb494c1ed2be33b147c9">draw</a> is called on the layerable. If the layerable has multiple entities whose antialiasing setting may be specified individually, this function should set the antialiasing state of the most prominent entity. In this case however, the <a class="el" href="classQCPSelectionRect.html#afdc52566dceccb494c1ed2be33b147c9">draw</a> function usually calls the specialized versions of this function before drawing each entity, effectively overriding the setting of the default antialiasing hint.</p>
<p><b>First example:</b> <a class="el" href="classQCPGraph.html" title="A plottable representing a graph in a plot. ">QCPGraph</a> has multiple entities that have an antialiasing setting: The graph line, fills and scatters. Those can be configured via <a class="el" href="classQCPLayerable.html#a4fd43e89be4a553ead41652565ff0581">QCPGraph::setAntialiased</a>, <a class="el" href="classQCPAbstractPlottable.html#a089d6b5577120239b55c39ed27c39536">QCPGraph::setAntialiasedFill</a> and <a class="el" href="classQCPAbstractPlottable.html#a2f03f067ede2ed4da6f7d0e4777a3f02">QCPGraph::setAntialiasedScatters</a>. Consequently, there isn't only the <a class="el" href="classQCPAbstractPlottable.html#a59a80773c5cefc05a0646ac8e1149ed5">QCPGraph::applyDefaultAntialiasingHint</a> function (which corresponds to the graph line's antialiasing), but specialized ones like <a class="el" href="classQCPAbstractPlottable.html#a8d06a59ea23324cce6330ebf2262c0ed">QCPGraph::applyFillAntialiasingHint</a> and <a class="el" href="classQCPAbstractPlottable.html#ac95f26b15a1e5d9c7bd2c0a46d760fc9">QCPGraph::applyScattersAntialiasingHint</a>. So before drawing one of those entities, <a class="el" href="classQCPGraph.html#a659218cc62c2a7786213d9dd429c1c8d">QCPGraph::draw</a> calls the respective specialized applyAntialiasingHint function.</p>
<p><b>Second example:</b> <a class="el" href="classQCPItemLine.html" title="A line from one point to another. ">QCPItemLine</a> consists only of a line so there is only one antialiasing setting which can be controlled with <a class="el" href="classQCPLayerable.html#a4fd43e89be4a553ead41652565ff0581">QCPItemLine::setAntialiased</a>. (This function is inherited by all layerables. The specialized functions, as seen on <a class="el" href="classQCPGraph.html" title="A plottable representing a graph in a plot. ">QCPGraph</a>, must be added explicitly to the respective layerable subclass.) Consequently it only has the normal <a class="el" href="classQCPAbstractItem.html#a82a408b38a93be750b934fe847a018cb">QCPItemLine::applyDefaultAntialiasingHint</a>. The <a class="el" href="classQCPItemLine.html#a1fc045dd33919f8006df0692aeb0e84a">QCPItemLine::draw</a> function doesn't need to care about setting any antialiasing states, because the default antialiasing hint is already set on the painter when the <a class="el" href="classQCPSelectionRect.html#afdc52566dceccb494c1ed2be33b147c9">draw</a> function is called, and that's the state it wants to draw the line with. </p>
<p>Implements <a class="el" href="classQCPLayerable.html#afdf83ddc6a265cbf4c89fe99d3d93473">QCPLayerable</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#afdc52566dceccb494c1ed2be33b147c9">§ </a></span>draw()</h2>
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<p>If the selection rect is active (<a class="el" href="classQCPSelectionRect.html#ad27c1569c6ea8fa48e24b81e2a302df3">isActive</a>), draws the selection rect defined by <em>mRect</em>.</p>
<p>For general information about this virtual method, see the base class implementation. </p>
<p>Implements <a class="el" href="classQCPLayerable.html#aecf2f7087482d4b6a78cb2770e5ed12d">QCPLayerable</a>.</p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>src/selectionrect.h</li>
<li>src/selectionrect.cpp</li>
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