<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/widgets/qvalidator.cpp:181 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>TQIntValidator Class</title> <style type="text/css"><!-- fn { margin-left: 1cm; text-indent: -1cm; } a:link { color: #004faf; text-decoration: none } a:visited { color: #672967; text-decoration: none } body { background: #ffffff; color: black; } --></style> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr bgcolor="#E5E5E5"> <td valign=center> <a href="index.html"> <font color="#004faf">Home</font></a> | <a href="classes.html"> <font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"> <font color="#004faf">Main Classes</font></a> | <a href="annotated.html"> <font color="#004faf">Annotated</font></a> | <a href="groups.html"> <font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"> <font color="#004faf">Functions</font></a> </td> <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQIntValidator Class Reference</h1> <p>The TQIntValidator class provides a validator which ensures that a string contains a valid integer within a specified range. <a href="#details">More...</a> <p><tt>#include <<a href="qvalidator-h.html">ntqvalidator.h</a>></tt> <p>Inherits <a href="ntqvalidator.html">TQValidator</a>. <p><a href="qintvalidator-members.html">List of all member functions.</a> <h2>Public Members</h2> <ul> <li class=fn><a href="#TQIntValidator"><b>TQIntValidator</b></a> ( TQObject * parent, const char * name = 0 )</li> <li class=fn><a href="#TQIntValidator-2"><b>TQIntValidator</b></a> ( int minimum, int maximum, TQObject * parent, const char * name = 0 )</li> <li class=fn><a href="#~TQIntValidator"><b>~TQIntValidator</b></a> ()</li> <li class=fn>virtual TQValidator::State <a href="#validate"><b>validate</b></a> ( TQString & input, int & ) const</li> <li class=fn>void <a href="#setBottom"><b>setBottom</b></a> ( int )</li> <li class=fn>void <a href="#setTop"><b>setTop</b></a> ( int )</li> <li class=fn>virtual void <a href="#setRange"><b>setRange</b></a> ( int bottom, int top )</li> <li class=fn>int <a href="#bottom"><b>bottom</b></a> () const</li> <li class=fn>int <a href="#top"><b>top</b></a> () const</li> </ul> <h2>Properties</h2> <ul> <li class=fn>int <a href="#bottom-prop"><b>bottom</b></a> - the validator's lowest acceptable value</li> <li class=fn>int <a href="#top-prop"><b>top</b></a> - the validator's highest acceptable value</li> </ul> <hr><a name="details"></a><h2>Detailed Description</h2> The TQIntValidator class provides a validator which ensures that a string contains a valid integer within a specified range. <p> <p> Example of use: <p> <pre> <a href="ntqvalidator.html">TQValidator</a>* validator = new TQIntValidator( 100, 999, this ); <a href="ntqlineedit.html">TQLineEdit</a>* edit = new <a href="ntqlineedit.html">TQLineEdit</a>( this ); // the edit lineedit will only accept integers between 100 and 999 edit-><a href="ntqlineedit.html#setValidator">setValidator</a>( validator ); </pre> <p> Below we present some examples of validators. In practice they would normally be associated with a widget as in the example above. <p> <pre> <a href="ntqstring.html">TQString</a> str; int pos = 0; TQIntValidator v( 100, 999, this ); str = "1"; v.<a href="#validate">validate</a>( str, pos ); // returns Intermediate str = "12"; v.<a href="#validate">validate</a>( str, pos ); // returns Intermediate str = "123"; v.<a href="#validate">validate</a>( str, pos ); // returns Acceptable str = "678"; v.<a href="#validate">validate</a>( str, pos ); // returns Acceptable str = "1234"; v.<a href="#validate">validate</a>( str, pos ); // returns Invalid str = "-123"; v.<a href="#validate">validate</a>( str, pos ); // returns Invalid str = "abc"; v.<a href="#validate">validate</a>( str, pos ); // returns Invalid str = "12cm"; v.<a href="#validate">validate</a>( str, pos ); // returns Invalid </pre> <p> The minimum and maximum values are set in one call with <a href="#setRange">setRange</a>() or individually with <a href="#setBottom">setBottom</a>() and <a href="#setTop">setTop</a>(). <p> <p>See also <a href="qdoublevalidator.html">TQDoubleValidator</a>, <a href="qregexpvalidator.html">TQRegExpValidator</a>, and <a href="misc.html">Miscellaneous Classes</a>. <hr><h2>Member Function Documentation</h2> <h3 class=fn><a name="TQIntValidator"></a>TQIntValidator::TQIntValidator ( <a href="ntqobject.html">TQObject</a> * parent, const char * name = 0 ) </h3> Constructs a validator called <em>name</em> with parent <em>parent</em>, that accepts all integers. <h3 class=fn><a name="TQIntValidator-2"></a>TQIntValidator::TQIntValidator ( int minimum, int maximum, <a href="ntqobject.html">TQObject</a> * parent, const char * name = 0 ) </h3> Constructs a validator called <em>name</em> with parent <em>parent</em>, that accepts integers from <em>minimum</em> to <em>maximum</em> inclusive. <h3 class=fn><a name="~TQIntValidator"></a>TQIntValidator::~TQIntValidator () </h3> Destroys the validator, freeing any resources allocated. <h3 class=fn>int <a name="bottom"></a>TQIntValidator::bottom () const </h3><p>Returns the validator's lowest acceptable value. See the <a href="qintvalidator.html#bottom-prop">"bottom"</a> property for details. <h3 class=fn>void <a name="setBottom"></a>TQIntValidator::setBottom ( int ) </h3><p>Sets the validator's lowest acceptable value. See the <a href="qintvalidator.html#bottom-prop">"bottom"</a> property for details. <h3 class=fn>void <a name="setRange"></a>TQIntValidator::setRange ( int bottom, int top )<tt> [virtual]</tt> </h3> Sets the range of the validator to only accept integers between <em>bottom</em> and <em>top</em> inclusive. <h3 class=fn>void <a name="setTop"></a>TQIntValidator::setTop ( int ) </h3><p>Sets the validator's highest acceptable value. See the <a href="qintvalidator.html#top-prop">"top"</a> property for details. <h3 class=fn>int <a name="top"></a>TQIntValidator::top () const </h3><p>Returns the validator's highest acceptable value. See the <a href="qintvalidator.html#top-prop">"top"</a> property for details. <h3 class=fn><a href="ntqvalidator.html#State-enum">TQValidator::State</a> <a name="validate"></a>TQIntValidator::validate ( <a href="ntqstring.html">TQString</a> & input, int & ) const<tt> [virtual]</tt> </h3> Returns <a href="ntqvalidator.html#State-enum">Acceptable</a> if the <em>input</em> is an integer within the valid range, <a href="ntqvalidator.html#State-enum">Intermediate</a> if the <em>input</em> is an integer outside the valid range and <a href="ntqvalidator.html#State-enum">Invalid</a> if the <em>input</em> is not an integer. <p> Note: If the valid range consists of just positive integers (e.g. 32 - 100) and <em>input</em> is a negative integer then Invalid is returned. <p> <pre> int pos = 0; s = "abc"; v.validate( s, pos ); // returns Invalid s = "5"; v.validate( s, pos ); // returns Intermediate s = "50"; v.validate( s, pos ); // returns Valid </pre> <p>Reimplemented from <a href="ntqvalidator.html#validate">TQValidator</a>. <hr><h2>Property Documentation</h2> <h3 class=fn>int <a name="bottom-prop"></a>bottom</h3> <p>This property holds the validator's lowest acceptable value. <p>Set this property's value with <a href="#setBottom">setBottom</a>() and get this property's value with <a href="#bottom">bottom</a>(). <p><p>See also <a href="#setRange">setRange</a>(). <h3 class=fn>int <a name="top-prop"></a>top</h3> <p>This property holds the validator's highest acceptable value. <p>Set this property's value with <a href="#setTop">setTop</a>() and get this property's value with <a href="#top">top</a>(). <p><p>See also <a href="#setRange">setRange</a>(). <!-- eof --> <hr><p> This file is part of the <a href="index.html">TQt toolkit</a>. 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