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338 lines
19 KiB
338 lines
19 KiB
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/dialogs/qwizard.cpp:55 -->
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<html>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>TQWizard Class</title>
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<font color="#004faf">Home</font></a>
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<font color="#004faf">Functions</font></a>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQWizard Class Reference</h1>
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<p>The TQWizard class provides a framework for wizard dialogs.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qwizard-h.html">ntqwizard.h</a>></tt>
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<p>Inherits <a href="ntqdialog.html">TQDialog</a>.
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<p><a href="qwizard-members.html">List of all member functions.</a>
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<h2>Public Members</h2>
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<ul>
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<li class=fn><a href="#TQWizard"><b>TQWizard</b></a> ( TQWidget * parent = 0, const char * name = 0, bool modal = FALSE, WFlags f = 0 )</li>
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<li class=fn><a href="#~TQWizard"><b>~TQWizard</b></a> ()</li>
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<li class=fn>virtual void <a href="#addPage"><b>addPage</b></a> ( TQWidget * page, const TQString & title )</li>
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<li class=fn>virtual void <a href="#insertPage"><b>insertPage</b></a> ( TQWidget * page, const TQString & title, int index )</li>
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<li class=fn>virtual void <a href="#removePage"><b>removePage</b></a> ( TQWidget * page )</li>
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<li class=fn>TQString <a href="#title"><b>title</b></a> ( TQWidget * page ) const</li>
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<li class=fn>void <a href="#setTitle"><b>setTitle</b></a> ( TQWidget * page, const TQString & title )</li>
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<li class=fn>TQFont <a href="#titleFont"><b>titleFont</b></a> () const</li>
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<li class=fn>void <a href="#setTitleFont"><b>setTitleFont</b></a> ( const TQFont & )</li>
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<li class=fn>virtual void <a href="#showPage"><b>showPage</b></a> ( TQWidget * page )</li>
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<li class=fn>TQWidget * <a href="#currentPage"><b>currentPage</b></a> () const</li>
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<li class=fn>TQWidget * <a href="#page"><b>page</b></a> ( int index ) const</li>
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<li class=fn>int <a href="#pageCount"><b>pageCount</b></a> () const</li>
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<li class=fn>int <a href="#indexOf"><b>indexOf</b></a> ( TQWidget * page ) const</li>
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<li class=fn>virtual bool <a href="#appropriate"><b>appropriate</b></a> ( TQWidget * page ) const</li>
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<li class=fn>virtual void <a href="#setAppropriate"><b>setAppropriate</b></a> ( TQWidget * page, bool appropriate )</li>
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<li class=fn>TQPushButton * <a href="#backButton"><b>backButton</b></a> () const</li>
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<li class=fn>TQPushButton * <a href="#nextButton"><b>nextButton</b></a> () const</li>
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<li class=fn>TQPushButton * <a href="#finishButton"><b>finishButton</b></a> () const</li>
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<li class=fn>TQPushButton * <a href="#cancelButton"><b>cancelButton</b></a> () const</li>
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<li class=fn>TQPushButton * <a href="#helpButton"><b>helpButton</b></a> () const</li>
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</ul>
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<h2>Public Slots</h2>
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<ul>
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<li class=fn>virtual void <a href="#setBackEnabled"><b>setBackEnabled</b></a> ( TQWidget * page, bool enable )</li>
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<li class=fn>virtual void <a href="#setNextEnabled"><b>setNextEnabled</b></a> ( TQWidget * page, bool enable )</li>
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<li class=fn>virtual void <a href="#setFinishEnabled"><b>setFinishEnabled</b></a> ( TQWidget * page, bool enable )</li>
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<li class=fn>virtual void <a href="#setHelpEnabled"><b>setHelpEnabled</b></a> ( TQWidget * page, bool enable )</li>
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<li class=fn>virtual void setFinish ( TQWidget *, bool ) <em>(obsolete)</em></li>
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</ul>
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<h2>Signals</h2>
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<ul>
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<li class=fn>void <a href="#helpClicked"><b>helpClicked</b></a> ()</li>
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<li class=fn>void <a href="#selected"><b>selected</b></a> ( const TQString & )</li>
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</ul>
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<h2>Properties</h2>
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<ul>
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<li class=fn>TQFont <a href="#titleFont-prop"><b>titleFont</b></a> - the font used for page titles</li>
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</ul>
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<h2>Protected Members</h2>
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<ul>
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<li class=fn>virtual void <a href="#layOutButtonRow"><b>layOutButtonRow</b></a> ( TQHBoxLayout * layout )</li>
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<li class=fn>virtual void <a href="#layOutTitleRow"><b>layOutTitleRow</b></a> ( TQHBoxLayout * layout, const TQString & title )</li>
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</ul>
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<h2>Protected Slots</h2>
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<ul>
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<li class=fn>virtual void <a href="#back"><b>back</b></a> ()</li>
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<li class=fn>virtual void <a href="#next"><b>next</b></a> ()</li>
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<li class=fn>virtual void <a href="#help"><b>help</b></a> ()</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQWizard class provides a framework for wizard dialogs.
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<p>
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<p> A wizard is a special type of input dialog that consists of a
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sequence of dialog pages. A wizard's purpose is to walk the user
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through a process step by step. Wizards are useful for complex or
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infrequently occurring tasks that people may find difficult to
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learn or do.
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<p> TQWizard provides page titles and displays Next, Back, Finish,
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Cancel, and Help push buttons, as appropriate to the current
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position in the page sequence. These buttons can be
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enabled/disabled using <a href="#setBackEnabled">setBackEnabled</a>(), <a href="#setNextEnabled">setNextEnabled</a>(),
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<a href="#setFinishEnabled">setFinishEnabled</a>() and <a href="#setHelpEnabled">setHelpEnabled</a>().
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<p> Create and populate dialog pages that inherit from <a href="ntqwidget.html">TQWidget</a> and add
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them to the wizard using <a href="#addPage">addPage</a>(). Use <a href="#insertPage">insertPage</a>() to add a
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dialog page at a certain position in the page sequence. Use
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<a href="#removePage">removePage</a>() to remove a page from the page sequence.
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<p> Use <a href="#currentPage">currentPage</a>() to retrieve a pointer to the currently displayed
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page. <a href="#page">page</a>() returns a pointer to the page at a certain position
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in the page sequence.
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<p> Use <a href="#pageCount">pageCount</a>() to retrieve the total number of pages in the page
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sequence. <a href="#indexOf">indexOf</a>() will return the index of a page in the page
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sequence.
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<p> TQWizard provides functionality to mark pages as appropriate (or
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not) in the current context with <a href="#setAppropriate">setAppropriate</a>(). The idea is
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that a page may be irrelevant and should be skipped depending on
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the data entered by the user on a preceding page.
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<p> It is generally considered good design to provide a greater number
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of simple pages with fewer choices rather than a smaller number of
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complex pages.
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<p> Example code is available here: <a href="wizard-wizard-cpp.html">wizard/wizard.cpp</a> <a href="wizard-wizard-h.html">wizard/wizard.h</a>
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<p> <center><img src="qwizard.png" alt="A TQWizard page"></center> <blockquote><p align="center"><em> A TQWizard page
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</em></p>
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</blockquote><p> <p>See also <a href="abstractwidgets.html">Abstract Widget Classes</a>, <a href="dialogs.html">Dialog Classes</a>, and <a href="organizers.html">Organizers</a>.
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQWizard"></a>TQWizard::TQWizard ( <a href="ntqwidget.html">TQWidget</a> * parent = 0, const char * name = 0, bool modal = FALSE, WFlags f = 0 )
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</h3>
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Constructs an empty wizard dialog. The <em>parent</em>, <em>name</em>, <em>modal</em> and <em>f</em> arguments are passed to the <a href="ntqdialog.html">TQDialog</a> constructor.
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<h3 class=fn><a name="~TQWizard"></a>TQWizard::~TQWizard ()
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</h3>
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Destroys the object and frees any allocated resources, including
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all pages and controllers.
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<h3 class=fn>void <a name="addPage"></a>TQWizard::addPage ( <a href="ntqwidget.html">TQWidget</a> * page, const <a href="ntqstring.html">TQString</a> & title )<tt> [virtual]</tt>
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</h3>
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Adds <em>page</em> to the end of the page sequence, with the title, <em>title</em>.
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<h3 class=fn>bool <a name="appropriate"></a>TQWizard::appropriate ( <a href="ntqwidget.html">TQWidget</a> * page ) const<tt> [virtual]</tt>
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</h3>
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Called when the Next button is clicked; this virtual function
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returns TRUE if <em>page</em> is relevant for display in the current
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context; otherwise it is ignored by TQWizard and returns FALSE. The
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default implementation returns the value set using
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<a href="#setAppropriate">setAppropriate</a>(). The ultimate default is TRUE.
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<p> <b>Warning:</b> The last page of the wizard will be displayed if no page
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is relevant in the current context.
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<h3 class=fn>void <a name="back"></a>TQWizard::back ()<tt> [virtual protected slot]</tt>
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</h3>
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Called when the user clicks the Back button; this function shows
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the preceding relevant page in the sequence.
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<p> <p>See also <a href="#appropriate">appropriate</a>().
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<h3 class=fn><a href="ntqpushbutton.html">TQPushButton</a> * <a name="backButton"></a>TQWizard::backButton () const
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</h3>
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Returns a pointer to the dialog's Back button
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<p> By default, this button is connected to the <a href="#back">back</a>() slot, which is
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virtual so you can reimplement it in a TQWizard subclass. Use
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<a href="#setBackEnabled">setBackEnabled</a>() to enable/disable this button.
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<h3 class=fn><a href="ntqpushbutton.html">TQPushButton</a> * <a name="cancelButton"></a>TQWizard::cancelButton () const
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</h3>
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Returns a pointer to the dialog's Cancel button
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<p> By default, this button is connected to the <a href="ntqdialog.html#reject">TQDialog::reject</a>()
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slot, which is virtual so you can reimplement it in a TQWizard
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subclass.
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<h3 class=fn><a href="ntqwidget.html">TQWidget</a> * <a name="currentPage"></a>TQWizard::currentPage () const
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</h3>
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Returns a pointer to the current page in the sequence. Although
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the wizard does its best to make sure that this value is never 0,
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it can be if you try hard enough.
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<h3 class=fn><a href="ntqpushbutton.html">TQPushButton</a> * <a name="finishButton"></a>TQWizard::finishButton () const
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</h3>
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Returns a pointer to the dialog's Finish button
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<p> By default, this button is connected to the <a href="ntqdialog.html#accept">TQDialog::accept</a>()
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slot, which is virtual so you can reimplement it in a TQWizard
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subclass. Use <a href="#setFinishEnabled">setFinishEnabled</a>() to enable/disable this button.
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<h3 class=fn>void <a name="help"></a>TQWizard::help ()<tt> [virtual protected slot]</tt>
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</h3>
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Called when the user clicks the Help button, this function emits
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the <a href="#helpClicked">helpClicked</a>() signal.
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<h3 class=fn><a href="ntqpushbutton.html">TQPushButton</a> * <a name="helpButton"></a>TQWizard::helpButton () const
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</h3>
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Returns a pointer to the dialog's Help button
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<p> By default, this button is connected to the <a href="#help">help</a>() slot, which is
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virtual so you can reimplement it in a TQWizard subclass. Use
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<a href="#setHelpEnabled">setHelpEnabled</a>() to enable/disable this button.
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<h3 class=fn>void <a name="helpClicked"></a>TQWizard::helpClicked ()<tt> [signal]</tt>
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</h3>
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<p> This signal is emitted when the user clicks on the Help button.
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<h3 class=fn>int <a name="indexOf"></a>TQWizard::indexOf ( <a href="ntqwidget.html">TQWidget</a> * page ) const
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</h3>
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Returns the position of page <em>page</em>. If the page is not part of
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the wizard -1 is returned.
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<h3 class=fn>void <a name="insertPage"></a>TQWizard::insertPage ( <a href="ntqwidget.html">TQWidget</a> * page, const <a href="ntqstring.html">TQString</a> & title, int index )<tt> [virtual]</tt>
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</h3>
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Inserts <em>page</em> at position <em>index</em> into the page sequence, with
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title <em>title</em>. If <em>index</em> is -1, the page will be appended to
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the end of the wizard's page sequence.
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<h3 class=fn>void <a name="layOutButtonRow"></a>TQWizard::layOutButtonRow ( <a href="qhboxlayout.html">TQHBoxLayout</a> * layout )<tt> [virtual protected]</tt>
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</h3>
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This virtual function is responsible for adding the buttons below
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the bottom divider.
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<p> <em>layout</em> is the horizontal layout of the entire wizard.
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<h3 class=fn>void <a name="layOutTitleRow"></a>TQWizard::layOutTitleRow ( <a href="qhboxlayout.html">TQHBoxLayout</a> * layout, const <a href="ntqstring.html">TQString</a> & title )<tt> [virtual protected]</tt>
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</h3>
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This virtual function is responsible for laying out the title row.
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<p> <em>layout</em> is the horizontal layout for the wizard, and <em>title</em> is the title for this page. This function is called every
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time <em>title</em> changes.
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<h3 class=fn>void <a name="next"></a>TQWizard::next ()<tt> [virtual protected slot]</tt>
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</h3>
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Called when the user clicks the Next button, this function shows
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the next relevant page in the sequence.
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<p> <p>See also <a href="#appropriate">appropriate</a>().
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<h3 class=fn><a href="ntqpushbutton.html">TQPushButton</a> * <a name="nextButton"></a>TQWizard::nextButton () const
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</h3>
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Returns a pointer to the dialog's Next button
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<p> By default, this button is connected to the <a href="#next">next</a>() slot, which is
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virtual so you can reimplement it in a TQWizard subclass. Use
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<a href="#setNextEnabled">setNextEnabled</a>() to enable/disable this button.
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<h3 class=fn><a href="ntqwidget.html">TQWidget</a> * <a name="page"></a>TQWizard::page ( int index ) const
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</h3>
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Returns a pointer to the page at position <em>index</em> in the
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sequence, or 0 if <em>index</em> is out of range. The first page has
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index 0.
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<h3 class=fn>int <a name="pageCount"></a>TQWizard::pageCount () const
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</h3>
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Returns the number of pages in the wizard.
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<h3 class=fn>void <a name="removePage"></a>TQWizard::removePage ( <a href="ntqwidget.html">TQWidget</a> * page )<tt> [virtual]</tt>
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</h3>
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Removes <em>page</em> from the page sequence but does not delete the
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page. If <em>page</em> is currently being displayed, TQWizard will
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display the page that precedes it, or the first page if this was
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the first page.
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<h3 class=fn>void <a name="selected"></a>TQWizard::selected ( const <a href="ntqstring.html">TQString</a> & )<tt> [signal]</tt>
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</h3>
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<p> This signal is emitted when the current page changes. The
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parameter contains the title of the selected page.
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<h3 class=fn>void <a name="setAppropriate"></a>TQWizard::setAppropriate ( <a href="ntqwidget.html">TQWidget</a> * page, bool appropriate )<tt> [virtual]</tt>
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</h3>
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If <em>appropriate</em> is TRUE then page <em>page</em> is considered relevant
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in the current context and should be displayed in the page
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sequence; otherwise <em>page</em> should not be displayed in the page
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sequence.
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<p> <p>See also <a href="#appropriate">appropriate</a>().
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<h3 class=fn>void <a name="setBackEnabled"></a>TQWizard::setBackEnabled ( <a href="ntqwidget.html">TQWidget</a> * page, bool enable )<tt> [virtual slot]</tt>
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</h3>
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If <em>enable</em> is TRUE, page <em>page</em> has a Back button; otherwise <em>page</em> has no Back button. By default all pages have this button.
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<h3 class=fn>void <a name="setFinish"></a>TQWizard::setFinish ( <a href="ntqwidget.html">TQWidget</a> *, bool )<tt> [virtual slot]</tt>
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</h3>
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<b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
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<p> Use setFinishEnabled instead
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<h3 class=fn>void <a name="setFinishEnabled"></a>TQWizard::setFinishEnabled ( <a href="ntqwidget.html">TQWidget</a> * page, bool enable )<tt> [virtual slot]</tt>
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</h3>
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If <em>enable</em> is TRUE, page <em>page</em> has a Finish button; otherwise
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<em>page</em> has no Finish button. By default <em>no</em> page has this
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button.
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<h3 class=fn>void <a name="setHelpEnabled"></a>TQWizard::setHelpEnabled ( <a href="ntqwidget.html">TQWidget</a> * page, bool enable )<tt> [virtual slot]</tt>
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</h3>
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If <em>enable</em> is TRUE, page <em>page</em> has a Help button; otherwise <em>page</em> has no Help button. By default all pages have this button.
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<h3 class=fn>void <a name="setNextEnabled"></a>TQWizard::setNextEnabled ( <a href="ntqwidget.html">TQWidget</a> * page, bool enable )<tt> [virtual slot]</tt>
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</h3>
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If <em>enable</em> is TRUE, page <em>page</em> has a Next button; otherwise
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the Next button on <em>page</em> is disabled. By default all pages have
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this button.
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<h3 class=fn>void <a name="setTitle"></a>TQWizard::setTitle ( <a href="ntqwidget.html">TQWidget</a> * page, const <a href="ntqstring.html">TQString</a> & title )
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</h3>
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Sets the title for page <em>page</em> to <em>title</em>.
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<h3 class=fn>void <a name="setTitleFont"></a>TQWizard::setTitleFont ( const <a href="ntqfont.html">TQFont</a> & )
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</h3><p>Sets the font used for page titles.
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See the <a href="ntqwizard.html#titleFont-prop">"titleFont"</a> property for details.
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<h3 class=fn>void <a name="showPage"></a>TQWizard::showPage ( <a href="ntqwidget.html">TQWidget</a> * page )<tt> [virtual]</tt>
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</h3>
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Makes <em>page</em> the current page and emits the <a href="#selected">selected</a>() signal.
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<p> This virtual function is called whenever a different page is to
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be shown, including the first time the TQWizard is shown.
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By reimplementing it (and calling <a href="#showPage">TQWizard::showPage</a>()),
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you can prepare each page prior to it being shown.
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<p>Examples: <a href="distributor-example.html#x2673">distributor/distributor.ui.h</a> and <a href="wizard-example.html#x15">wizard/wizard.cpp</a>.
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<h3 class=fn><a href="ntqstring.html">TQString</a> <a name="title"></a>TQWizard::title ( <a href="ntqwidget.html">TQWidget</a> * page ) const
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</h3>
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Returns the title of page <em>page</em>.
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<h3 class=fn><a href="ntqfont.html">TQFont</a> <a name="titleFont"></a>TQWizard::titleFont () const
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</h3><p>Returns the font used for page titles.
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See the <a href="ntqwizard.html#titleFont-prop">"titleFont"</a> property for details.
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<hr><h2>Property Documentation</h2>
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<h3 class=fn><a href="ntqfont.html">TQFont</a> <a name="titleFont-prop"></a>titleFont</h3>
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<p>This property holds the font used for page titles.
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<p>The default is <a href="ntqapplication.html#font">TQApplication::font</a>().
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<p>Set this property's value with <a href="#setTitleFont">setTitleFont</a>() and get this property's value with <a href="#titleFont">titleFont</a>().
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<!-- eof -->
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<hr><p>
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This file is part of the <a href="index.html">TQt toolkit</a>.
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Copyright © 1995-2007
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<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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</table></div></address></body>
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</html>
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