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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>TQWhatsThis Class Reference</h1>
-
-<p>The TQWhatsThis class provides a simple description of any
-widget, i.e. answering the question "What's this?".
-<a href="#details">More...</a>
-<p><tt>#include &lt;<a href="qwhatsthis-h.html">qwhatsthis.h</a>&gt;</tt>
-<p>Inherits <a href="qt.html">TQt</a>.
-<p><a href="qwhatsthis-members.html">List of all member functions.</a>
-<h2>Public Members</h2>
-<ul>
-<li class=fn><a href="#TQWhatsThis"><b>TQWhatsThis</b></a> ( TQWidget&nbsp;*&nbsp;widget )</li>
-<li class=fn>virtual <a href="#~TQWhatsThis"><b>~TQWhatsThis</b></a> ()</li>
-<li class=fn>virtual TQString <a href="#text"><b>text</b></a> ( const TQPoint &amp; )</li>
-<li class=fn>virtual bool <a href="#clicked"><b>clicked</b></a> ( const&nbsp;TQString&nbsp;&amp;&nbsp;href )</li>
-</ul>
-<h2>Static Public Members</h2>
-<ul>
-<li class=fn>void <a href="#setFont"><b>setFont</b></a> ( const&nbsp;TQFont&nbsp;&amp;&nbsp;font )</li>
-<li class=fn>void <a href="#add"><b>add</b></a> ( TQWidget&nbsp;*&nbsp;widget, const&nbsp;TQString&nbsp;&amp;&nbsp;text )</li>
-<li class=fn>void <a href="#remove"><b>remove</b></a> ( TQWidget&nbsp;*&nbsp;widget )</li>
-<li class=fn>TQString <a href="#textFor"><b>textFor</b></a> ( TQWidget&nbsp;*&nbsp;w, const&nbsp;TQPoint&nbsp;&amp;&nbsp;pos = TQPoint ( ), bool&nbsp;includeParents = FALSE )</li>
-<li class=fn>TQToolButton * <a href="#whatsThisButton"><b>whatsThisButton</b></a> ( TQWidget&nbsp;*&nbsp;parent )</li>
-<li class=fn>void <a href="#enterWhatsThisMode"><b>enterWhatsThisMode</b></a> ()</li>
-<li class=fn>bool <a href="#inWhatsThisMode"><b>inWhatsThisMode</b></a> ()</li>
-<li class=fn>void <a href="#leaveWhatsThisMode"><b>leaveWhatsThisMode</b></a> ( const&nbsp;TQString&nbsp;&amp;&nbsp;text = TQString::null, const&nbsp;TQPoint&nbsp;&amp;&nbsp;pos = TQCursor::pos ( ), TQWidget&nbsp;*&nbsp;w = 0 )</li>
-<li class=fn>void <a href="#display"><b>display</b></a> ( const&nbsp;TQString&nbsp;&amp;&nbsp;text, const&nbsp;TQPoint&nbsp;&amp;&nbsp;pos = TQCursor::pos ( ), TQWidget&nbsp;*&nbsp;w = 0 )</li>
-</ul>
-<hr><a name="details"></a><h2>Detailed Description</h2>
-
-
-The TQWhatsThis class provides a simple description of any
-widget, i.e. answering the question "What's this?".
-<p>
-
-<p> "What's this?" help is part of an application's online <a href="helpsystem.html#help-system">help system</a>
-that provides users with information about functionality, usage,
-background etc., in various levels of detail from short tool tips
-to full text browsing help windows.
-<p> TQWhatsThis provides a single window with an explanatory text that
-pops up when the user asks "What's this?". The default way to do
-this is to focus the relevant widget and press Shift+F1. The help
-text appears immediately; it goes away as soon as the user does
-something else.
-<p> (Note that if there is an accelerator for Shift+F1, this mechanism
-will not work.)
-<p> To add "What's this?" text to a widget you simply call
-<a href="#add">TQWhatsThis::add</a>() for the widget. For example, to assign text to a
-menu item, call <a href="qmenudata.html#setWhatsThis">TQMenuData::setWhatsThis</a>(); for a global
-accelerator key, call <a href="qaccel.html#setWhatsThis">TQAccel::setWhatsThis</a>() and If you're using
-actions, use <a href="qaction.html#setWhatsThis">TQAction::setWhatsThis</a>().
-<p> The text can be either rich text or plain text. If you specify a
-rich text formatted string, it will be rendered using the default
-stylesheet. This makes it possible to embed images. See
-<a href="qstylesheet.html#defaultSheet">TQStyleSheet::defaultSheet</a>() for details.
-<p>
-
-<pre> const char * fileOpenText = "&lt;p&gt;&lt;img source=\"fileopen\"&gt; "
- "Click this button to open a &lt;em&gt;new file&lt;/em&gt;. &lt;br&gt;"
- "You can also select the &lt;b&gt;Open&lt;/b&gt; command "
- "from the &lt;b&gt;File&lt;/b&gt; menu.&lt;/p&gt;";
- <a name="x2104"></a> TQMimeSourceFactory::<a href="qmimesourcefactory.html#defaultFactory">defaultFactory</a>()-&gt;setPixmap( "fileopen",
- <a name="x2102"></a> fileOpenAction-&gt;<a href="qaction.html#iconSet">iconSet</a>().pixmap() );
- <a name="x2103"></a> fileOpenAction-&gt;<a href="qaction.html#setWhatsThis">setWhatsThis</a>( fileOpenText );
-</pre>
-<p> An alternative way to enter "What's this?" mode is to use the
-ready-made tool bar tool button from
-<a href="#whatsThisButton">TQWhatsThis::whatsThisButton</a>(). By invoking this context help
-button (in the picture below the first one from the right) the
-user switches into "What's this?" mode. If they now click on a
-widget the appropriate help text is shown. The mode is left when
-help is given or when the user presses Esc.
-<p> <center><img src="whatsthis.png"></center>
-<p> If you are using <a href="qmainwindow.html">TQMainWindow</a> you can also use the
-<a href="qmainwindow.html#whatsThis">TQMainWindow::whatsThis</a>() slot to invoke the mode from a menu item.
-<p> For more control you can create a dedicated TQWhatsThis object for
-a special widget. By subclassing and reimplementing
-<a href="#text">TQWhatsThis::text</a>() it is possible to have different help texts,
-depending on the position of the mouse click. By reimplementing
-<a href="#clicked">TQWhatsThis::clicked</a>() it is possible to have hyperlinks inside the
-help texts.
-<p> If you wish to control the "What's this?" behavior of a widget
-manually see <a href="qwidget.html#customWhatsThis">TQWidget::customWhatsThis</a>().
-<p> The What's This object can be removed using <a href="#remove">TQWhatsThis::remove</a>(),
-although this is rarely necessary because it is automatically
-removed when the widget is destroyed.
-<p> <p>See also <a href="qtooltip.html">TQToolTip</a> and <a href="helpsystem.html">Help System</a>.
-
-<hr><h2>Member Function Documentation</h2>
-<h3 class=fn><a name="TQWhatsThis"></a>TQWhatsThis::TQWhatsThis ( <a href="qwidget.html">TQWidget</a>&nbsp;*&nbsp;widget )
-</h3>
-Constructs a dynamic "What's this?" object for <em>widget</em>. The
-object is deleted when the <em>widget</em> is destroyed.
-<p> When the widget is queried by the user the <a href="#text">text</a>() function of this
-TQWhatsThis will be called to provide the appropriate text, rather
-than using the text assigned by <a href="#add">add</a>().
-
-<h3 class=fn><a name="~TQWhatsThis"></a>TQWhatsThis::~TQWhatsThis ()<tt> [virtual]</tt>
-</h3>
-Destroys the object and frees any allocated resources.
-
-<h3 class=fn>void <a name="add"></a>TQWhatsThis::add ( <a href="qwidget.html">TQWidget</a>&nbsp;*&nbsp;widget, const&nbsp;<a href="qstring.html">TQString</a>&nbsp;&amp;&nbsp;text )<tt> [static]</tt>
-</h3>
-Adds <em>text</em> as "What's this" help for <em>widget</em>. If the text is
-rich text formatted (i.e. it contains markup) it will be rendered
-with the default stylesheet <a href="qstylesheet.html#defaultSheet">TQStyleSheet::defaultSheet</a>().
-<p> The text is destroyed if the widget is later destroyed, so it need
-not be explicitly removed.
-<p> <p>See also <a href="#remove">remove</a>().
-
-<p>Examples: <a href="simple-application-example.html#x1591">application/application.cpp</a>, <a href="helpsystem-example.html#x2698">helpsystem/mainwindow.cpp</a>, and <a href="mdi-example.html#x2075">mdi/application.cpp</a>.
-<h3 class=fn>bool <a name="clicked"></a>TQWhatsThis::clicked ( const&nbsp;<a href="qstring.html">TQString</a>&nbsp;&amp;&nbsp;href )<tt> [virtual]</tt>
-</h3>
-
-<p> This virtual function is called when the user clicks inside the
-"What's this?" window. <em>href</em> is the link the user clicked on, or
-<a href="qstring.html#TQString-null">TQString::null</a> if there was no link.
-<p> If the function returns TRUE (the default), the "What's this?"
-window is closed, otherwise it remains visible.
-<p> The default implementation ignores <em>href</em> and returns TRUE.
-
-<h3 class=fn>void <a name="display"></a>TQWhatsThis::display ( const&nbsp;<a href="qstring.html">TQString</a>&nbsp;&amp;&nbsp;text, const&nbsp;<a href="qpoint.html">TQPoint</a>&nbsp;&amp;&nbsp;pos = TQCursor::pos ( ), <a href="qwidget.html">TQWidget</a>&nbsp;*&nbsp;w = 0 )<tt> [static]</tt>
-</h3>
-Display <em>text</em> in a help window at the global screen position <em>pos</em>.
-<p> If widget <em>w</em> is not 0 and has its own dedicated TQWhatsThis
-object, this object will receive <a href="#clicked">clicked</a>() messages when the user
-clicks on hyperlinks inside the help text.
-<p> <p>See also <a href="#clicked">TQWhatsThis::clicked</a>().
-
-<h3 class=fn>void <a name="enterWhatsThisMode"></a>TQWhatsThis::enterWhatsThisMode ()<tt> [static]</tt>
-</h3>
-Enters "What's this?" mode and returns immediately.
-<p> TQt will install a special cursor and take over mouse input until
-the user clicks somewhere. It then shows any help available and
-ends "What's this?" mode. Finally, TQt removes the special cursor
-and help window and then restores ordinary event processing, at
-which point the left mouse button is no longer pressed.
-<p> The user can also use the Esc key to leave "What's this?" mode.
-<p> <p>See also <a href="#inWhatsThisMode">inWhatsThisMode</a>() and <a href="#leaveWhatsThisMode">leaveWhatsThisMode</a>().
-
-<h3 class=fn>bool <a name="inWhatsThisMode"></a>TQWhatsThis::inWhatsThisMode ()<tt> [static]</tt>
-</h3>
-Returns TRUE if the application is in "What's this?" mode;
-otherwise returns FALSE.
-<p> <p>See also <a href="#enterWhatsThisMode">enterWhatsThisMode</a>() and <a href="#leaveWhatsThisMode">leaveWhatsThisMode</a>().
-
-<h3 class=fn>void <a name="leaveWhatsThisMode"></a>TQWhatsThis::leaveWhatsThisMode ( const&nbsp;<a href="qstring.html">TQString</a>&nbsp;&amp;&nbsp;text = TQString::null, const&nbsp;<a href="qpoint.html">TQPoint</a>&nbsp;&amp;&nbsp;pos = TQCursor::pos ( ), <a href="qwidget.html">TQWidget</a>&nbsp;*&nbsp;w = 0 )<tt> [static]</tt>
-</h3>
-Leaves "What's this?" question mode.
-<p> This function is used internally by widgets that support
-<a href="qwidget.html#customWhatsThis">TQWidget::customWhatsThis</a>(); applications do not usually call it.
-An example of such a widget is TQPopupMenu: menus still work
-normally in "What's this?" mode but also provide help texts for
-individual menu items.
-<p> If <em>text</em> is not <a href="qstring.html#TQString-null">TQString::null</a>, a "What's this?" help window is
-displayed at the global screen position <em>pos</em>. If widget <em>w</em> is
-not 0 and has its own dedicated TQWhatsThis object, this object
-will receive <a href="#clicked">clicked</a>() messages when the user clicks on hyperlinks
-inside the help text.
-<p> <p>See also <a href="#inWhatsThisMode">inWhatsThisMode</a>(), <a href="#enterWhatsThisMode">enterWhatsThisMode</a>(), and <a href="#clicked">TQWhatsThis::clicked</a>().
-
-<h3 class=fn>void <a name="remove"></a>TQWhatsThis::remove ( <a href="qwidget.html">TQWidget</a>&nbsp;*&nbsp;widget )<tt> [static]</tt>
-</h3>
-Removes the "What's this?" help associated with the <em>widget</em>.
-This happens automatically if the widget is destroyed.
-<p> <p>See also <a href="#add">add</a>().
-
-<h3 class=fn>void <a name="setFont"></a>TQWhatsThis::setFont ( const&nbsp;<a href="qfont.html">TQFont</a>&nbsp;&amp;&nbsp;font )<tt> [static]</tt>
-</h3>
-Sets the font for all "What's this?" helps to <em>font</em>.
-
-<h3 class=fn><a href="qstring.html">TQString</a> <a name="text"></a>TQWhatsThis::text ( const&nbsp;<a href="qpoint.html">TQPoint</a>&nbsp;&amp; )<tt> [virtual]</tt>
-</h3>
-This virtual function returns the text for position <em>p</em> in the
-widget that this "What's this?" object documents. If there is no
-"What's this?" text for the position, <a href="qstring.html#TQString-null">TQString::null</a> is returned.
-<p> The default implementation returns TQString::null.
-
-<h3 class=fn><a href="qstring.html">TQString</a> <a name="textFor"></a>TQWhatsThis::textFor ( <a href="qwidget.html">TQWidget</a>&nbsp;*&nbsp;w, const&nbsp;<a href="qpoint.html">TQPoint</a>&nbsp;&amp;&nbsp;pos = TQPoint ( ), bool&nbsp;includeParents = FALSE )<tt> [static]</tt>
-</h3>
-Returns the what's this text for widget <em>w</em> or <a href="qstring.html#TQString-null">TQString::null</a> if
-there is no "What's this?" help for the widget. <em>pos</em> contains
-the mouse position; this is useful, for example, if you've
-subclassed to make the text that is displayed position dependent.
-<p> If <em>includeParents</em> is TRUE, parent widgets are taken into
-consideration as well when looking for what's this help text.
-<p> <p>See also <a href="#add">add</a>().
-
-<h3 class=fn><a href="qtoolbutton.html">TQToolButton</a>&nbsp;* <a name="whatsThisButton"></a>TQWhatsThis::whatsThisButton ( <a href="qwidget.html">TQWidget</a>&nbsp;*&nbsp;parent )<tt> [static]</tt>
-</h3>
-Creates a <a href="qtoolbutton.html">TQToolButton</a> preconfigured to enter "What's this?" mode
-when clicked. You will often use this with a tool bar as <em>parent</em>:
-<pre>
- (void) TQWhatsThis::whatsThisButton( my_help_tool_bar );
- </pre>
-
-
-<p>Example: <a href="helpsystem-example.html#x2699">helpsystem/mainwindow.cpp</a>.
-<!-- eof -->
-<hr><p>
-This file is part of the <a href="index.html">TQt toolkit</a>.
-Copyright &copy; 1995-2007
-<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
-<table width=100% cellspacing=0 border=0><tr>
-<td>Copyright &copy; 2007
-<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
-<td align=right><div align=right>TQt 3.3.8</div>
-</table></div></address></body>
-</html>