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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: QwtArrowButton 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>QwtArrowButton Class Reference</h1><!-- doxytag: class="QwtArrowButton" --><a href="class_qwt_arrow_button-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>Arrow Button. <p>A push button with one or more filled triangles on its front. An Arrow button can have 1 to 3 arrows in a row, pointing up, down, left or right. <p><p>Definition at line <a class="el" href="qwt__arrow__button_8h-source.html#l00023">23</a> of file <a class="el" href="qwt__arrow__button_8h-source.html">qwt_arrow_button.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"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_arrow_button.html#b0ad5aefdd56db10976796be717671e9">QwtArrowButton</a> (int num, Qt::ArrowType, QWidget *parent=NULL)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_arrow_button.html#506ab071fa7ee92928ace7dcea774a73">~QwtArrowButton</a> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">Qt::ArrowType </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_arrow_button.html#0a2a1b7dfff38ef00a0495fcb61d21a4">arrowType</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_arrow_button.html#09ae0f534912a14155233d7f431ffb2e">num</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual QSize </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_arrow_button.html#180ca16baa83c02e8dca4ffbe3dba2e8">sizeHint</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual QSize </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_arrow_button.html#5bc3817732a253bb214a94d1c76508ce">minimumSizeHint</a> () const </td></tr><tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_arrow_button.html#d9bdd4ed2e655aa19929ab436ec8ab45">paintEvent</a> (QPaintEvent *event)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_arrow_button.html#fc342cb3eaa01afe5aa897b3fd6aa7c2">drawButtonLabel</a> (QPainter *p)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_arrow_button.html#ba724cf7e2f7e640b2e4f5c08f37d125">drawArrow</a> (QPainter *, const QRect &, Qt::ArrowType) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual QRect </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_arrow_button.html#e32f665bfa6ab478e4ba7fd068bb3088">labelRect</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual QSize </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_arrow_button.html#544fc12a1756eb2b703ab9a2903240cb">arrowSize</a> (Qt::ArrowType, const QSize &boundingSize) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_arrow_button.html#17612daa99344272c4de1313a5c67b02">keyPressEvent</a> (QKeyEvent *)</td></tr></table><hr><h2>Constructor & Destructor Documentation</h2><a class="anchor" name="b0ad5aefdd56db10976796be717671e9"></a><!-- doxytag: member="QwtArrowButton::QwtArrowButton" ref="b0ad5aefdd56db10976796be717671e9" args="(int num, Qt::ArrowType, QWidget *parent=NULL)" --><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">QwtArrowButton::QwtArrowButton </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">int </td> <td class="mdname" nowrap> <em>num</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>Qt::ArrowType </td> <td class="mdname" nowrap> <em>arrowType</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>QWidget * </td> <td class="mdname" nowrap> <em>parent</em> = <code>NULL</code></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"><code> [explicit]</code></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>num</em> </td><td>Number of arrows </td></tr> <tr><td valign="top"></td><td valign="top"><em>arrowType</em> </td><td>see Qt::ArowType in the Qt docs. </td></tr> <tr><td valign="top"></td><td valign="top"><em>parent</em> </td><td>Parent widget </td></tr> </table></dl><p>Definition at line <a class="el" href="qwt__arrow__button_8cpp-source.html#l00058">58</a> of file <a class="el" href="qwt__arrow__button_8cpp-source.html">qwt_arrow_button.cpp</a>. </td> </tr></table><a class="anchor" name="506ab071fa7ee92928ace7dcea774a73"></a><!-- doxytag: member="QwtArrowButton::~QwtArrowButton" ref="506ab071fa7ee92928ace7dcea774a73" args="()" --><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">QwtArrowButton::~QwtArrowButton </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><p>Definition at line <a class="el" href="qwt__arrow__button_8cpp-source.html#l00083">83</a> of file <a class="el" href="qwt__arrow__button_8cpp-source.html">qwt_arrow_button.cpp</a>. </td> </tr></table><hr><h2>Member Function Documentation</h2><a class="anchor" name="544fc12a1756eb2b703ab9a2903240cb"></a><!-- doxytag: member="QwtArrowButton::arrowSize" ref="544fc12a1756eb2b703ab9a2903240cb" args="(Qt::ArrowType, const QSize &boundingSize) const " --><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">QSize QwtArrowButton::arrowSize </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">Qt::ArrowType </td> <td class="mdname" nowrap> <em>arrowType</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>const QSize & </td> <td class="mdname" nowrap> <em>boundingSize</em></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"> const<code> [protected, virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Calculate the size for a arrow that fits into a rect of a given size<p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>arrowType</em> </td><td>Arrow type </td></tr> <tr><td valign="top"></td><td valign="top"><em>boundingSize</em> </td><td>Bounding size </td></tr> </table></dl><dl compact><dt><b>Returns:</b></dt><dd>Size of the arrow </dd></dl><p>Definition at line <a class="el" href="qwt__arrow__button_8cpp-source.html#l00326">326</a> of file <a class="el" href="qwt__arrow__button_8cpp-source.html">qwt_arrow_button.cpp</a>.<p>Referenced by <a class="el" href="qwt__arrow__button_8cpp-source.html#l00157">drawButtonLabel()</a>, and <a class="el" href="qwt__arrow__button_8cpp-source.html#l00294">minimumSizeHint()</a>. </td> </tr></table><a class="anchor" name="0a2a1b7dfff38ef00a0495fcb61d21a4"></a><!-- doxytag: member="QwtArrowButton::arrowType" ref="0a2a1b7dfff38ef00a0495fcb61d21a4" args="() const " --><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">Qt::ArrowType QwtArrowButton::arrowType </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</td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>The direction of the arrows. <p><p>Definition at line <a class="el" href="qwt__arrow__button_8cpp-source.html#l00092">92</a> of file <a class="el" href="qwt__arrow__button_8cpp-source.html">qwt_arrow_button.cpp</a>. </td> </tr></table><a class="anchor" name="ba724cf7e2f7e640b2e4f5c08f37d125"></a><!-- doxytag: member="QwtArrowButton::drawArrow" ref="ba724cf7e2f7e640b2e4f5c08f37d125" args="(QPainter *, const QRect &, Qt::ArrowType) const " --><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">void QwtArrowButton::drawArrow </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">QPainter * </td> <td class="mdname" nowrap> <em>painter</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>const QRect & </td> <td class="mdname" nowrap> <em>r</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>Qt::ArrowType </td> <td class="mdname" nowrap> <em>arrowType</em></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"> const<code> [protected, virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing="5" 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