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+<title>TQProgressBar Class</title>
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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>TQProgressBar Class Reference</h1>
+
+<p>The TQProgressBar widget provides a horizontal progress bar.
+<a href="#details">More...</a>
+<p><tt>#include &lt;<a href="qprogressbar-h.html">qprogressbar.h</a>&gt;</tt>
+<p>Inherits <a href="qframe.html">TQFrame</a>.
+<p><a href="qprogressbar-members.html">List of all member functions.</a>
+<h2>Public Members</h2>
+<ul>
+<li class=fn><a href="#TQProgressBar"><b>TQProgressBar</b></a> ( TQWidget&nbsp;*&nbsp;parent = 0, const&nbsp;char&nbsp;*&nbsp;name = 0, WFlags&nbsp;f = 0 )</li>
+<li class=fn><a href="#TQProgressBar-2"><b>TQProgressBar</b></a> ( int&nbsp;totalSteps, TQWidget&nbsp;*&nbsp;parent = 0, const&nbsp;char&nbsp;*&nbsp;name = 0, WFlags&nbsp;f = 0 )</li>
+<li class=fn>int <a href="#totalSteps"><b>totalSteps</b></a> () const</li>
+<li class=fn>int <a href="#progress"><b>progress</b></a> () const</li>
+<li class=fn>const TQString &amp; <a href="#progressString"><b>progressString</b></a> () const</li>
+<li class=fn>void <a href="#setCenterIndicator"><b>setCenterIndicator</b></a> ( bool&nbsp;on )</li>
+<li class=fn>bool <a href="#centerIndicator"><b>centerIndicator</b></a> () const</li>
+<li class=fn>void <a href="#setIndicatorFollowsStyle"><b>setIndicatorFollowsStyle</b></a> ( bool )</li>
+<li class=fn>bool <a href="#indicatorFollowsStyle"><b>indicatorFollowsStyle</b></a> () const</li>
+<li class=fn>bool <a href="#percentageVisible"><b>percentageVisible</b></a> () const</li>
+<li class=fn>void <a href="#setPercentageVisible"><b>setPercentageVisible</b></a> ( bool )</li>
+</ul>
+<h2>Public Slots</h2>
+<ul>
+<li class=fn>void <a href="#reset"><b>reset</b></a> ()</li>
+<li class=fn>virtual void <a href="#setTotalSteps"><b>setTotalSteps</b></a> ( int&nbsp;totalSteps )</li>
+<li class=fn>virtual void <a href="#setProgress"><b>setProgress</b></a> ( int&nbsp;progress )</li>
+<li class=fn>void <a href="#setProgress-2"><b>setProgress</b></a> ( int&nbsp;progress, int&nbsp;totalSteps )</li>
+</ul>
+<h2>Properties</h2>
+<ul>
+<li class=fn>bool <a href="#centerIndicator-prop"><b>centerIndicator</b></a>&nbsp;- whether the indicator string should be centered</li>
+<li class=fn>bool <a href="#indicatorFollowsStyle-prop"><b>indicatorFollowsStyle</b></a>&nbsp;- whether the display of the indicator string should follow the GUI style</li>
+<li class=fn>bool <a href="#percentageVisible-prop"><b>percentageVisible</b></a>&nbsp;- whether the current progress value is displayed</li>
+<li class=fn>int <a href="#progress-prop"><b>progress</b></a>&nbsp;- the current amount of progress</li>
+<li class=fn>TQString <a href="#progressString-prop"><b>progressString</b></a>&nbsp;- the amount of progress as a string &nbsp;<em>(read only)</em></li>
+<li class=fn>int <a href="#totalSteps-prop"><b>totalSteps</b></a>&nbsp;- the total number of steps</li>
+</ul>
+<h2>Protected Members</h2>
+<ul>
+<li class=fn>virtual bool <a href="#setIndicator"><b>setIndicator</b></a> ( TQString&nbsp;&amp;&nbsp;indicator, int&nbsp;progress, int&nbsp;totalSteps )</li>
+</ul>
+<hr><a name="details"></a><h2>Detailed Description</h2>
+
+
+The TQProgressBar widget provides a horizontal progress bar.
+<p>
+
+<p> A progress bar is used to give the user an indication of the
+progress of an operation and to reassure them that the application
+is still running.
+<p> The progress bar uses the concept of <em>steps</em>; you give it the
+total number of steps and the number of steps completed so far and
+it will display the percentage of steps that have been completed.
+You can specify the total number of steps in the constructor or
+later with <a href="#setTotalSteps">setTotalSteps</a>(). The current number of steps is set
+with <a href="#setProgress">setProgress</a>(). The progress bar can be rewound to the
+beginning with <a href="#reset">reset</a>().
+<p> If the total is given as 0 the progress bar shows a busy indicator
+instead of a percentage of steps. This is useful, for example,
+when using <a href="qftp.html">TQFtp</a> or <a href="qhttp.html">TQHttp</a> to download items when they are unable to
+determine the size of the item being downloaded.
+<p> <p>See also <a href="qprogressdialog.html">TQProgressDialog</a>, <a href="guibooks.html#fowler">GUI Design Handbook: Progress Indicator</a>, and <a href="advanced.html">Advanced Widgets</a>.
+
+<p> <img src=qprogbar-m.png> <img src=qprogbar-w.png>
+<p> <p>See also <a href="qprogressdialog.html">TQProgressDialog</a>, <a href="guibooks.html#fowler">GUI Design Handbook: Progress Indicator</a>, and <a href="advanced.html">Advanced Widgets</a>.
+
+<hr><h2>Member Function Documentation</h2>
+<h3 class=fn><a name="TQProgressBar"></a>TQProgressBar::TQProgressBar ( <a href="qwidget.html">TQWidget</a>&nbsp;*&nbsp;parent = 0, const&nbsp;char&nbsp;*&nbsp;name = 0, WFlags&nbsp;f = 0 )
+</h3>
+Constructs a progress bar.
+<p> The total number of steps is set to 100 by default.
+<p> The <em>parent</em>, <em>name</em> and widget flags, <em>f</em>, are passed on to
+the <a href="qframe.html#TQFrame">TQFrame::TQFrame</a>() constructor.
+<p> <p>See also <a href="#totalSteps-prop">totalSteps</a>.
+
+<h3 class=fn><a name="TQProgressBar-2"></a>TQProgressBar::TQProgressBar ( int&nbsp;totalSteps, <a href="qwidget.html">TQWidget</a>&nbsp;*&nbsp;parent = 0, const&nbsp;char&nbsp;*&nbsp;name = 0, WFlags&nbsp;f = 0 )
+</h3>
+Constructs a progress bar.
+<p> The <em>totalSteps</em> is the total number of steps that need to be
+completed for the operation which this progress bar represents.
+For example, if the operation is to examine 50 files, this value
+would be 50. Before examining the first file, call <a href="#setProgress">setProgress</a>(0);
+call setProgress(50) after examining the last file.
+<p> The <em>parent</em>, <em>name</em> and widget flags, <em>f</em>, are passed to the
+<a href="qframe.html#TQFrame">TQFrame::TQFrame</a>() constructor.
+<p> <p>See also <a href="#totalSteps-prop">totalSteps</a> and <a href="#progress-prop">progress</a>.
+
+<h3 class=fn>bool <a name="centerIndicator"></a>TQProgressBar::centerIndicator () const
+</h3><p>Returns TRUE if the indicator string should be centered; otherwise returns FALSE.
+See the <a href="qprogressbar.html#centerIndicator-prop">"centerIndicator"</a> property for details.
+<h3 class=fn>bool <a name="indicatorFollowsStyle"></a>TQProgressBar::indicatorFollowsStyle () const
+</h3><p>Returns TRUE if the display of the indicator string should follow the GUI style; otherwise returns FALSE.
+See the <a href="qprogressbar.html#indicatorFollowsStyle-prop">"indicatorFollowsStyle"</a> property for details.
+<h3 class=fn>bool <a name="percentageVisible"></a>TQProgressBar::percentageVisible () const
+</h3><p>Returns TRUE if the current progress value is displayed; otherwise returns FALSE.
+See the <a href="qprogressbar.html#percentageVisible-prop">"percentageVisible"</a> property for details.
+<h3 class=fn>int <a name="progress"></a>TQProgressBar::progress () const
+</h3><p>Returns the current amount of progress.
+See the <a href="qprogressbar.html#progress-prop">"progress"</a> property for details.
+<h3 class=fn>const&nbsp;<a href="qstring.html">TQString</a>&nbsp;&amp; <a name="progressString"></a>TQProgressBar::progressString () const
+</h3><p>Returns the amount of progress as a string.
+See the <a href="qprogressbar.html#progressString-prop">"progressString"</a> property for details.
+<h3 class=fn>void <a name="reset"></a>TQProgressBar::reset ()<tt> [slot]</tt>
+</h3>
+Reset the progress bar. The progress bar "rewinds" and shows no
+progress.
+
+<p>Examples: <a href="fileiconview-example.html#x890">fileiconview/mainwindow.cpp</a> and <a href="progressbar-example.html#x967">progressbar/progressbar.cpp</a>.
+<h3 class=fn>void <a name="setCenterIndicator"></a>TQProgressBar::setCenterIndicator ( bool&nbsp;on )
+</h3><p>Sets whether the indicator string should be centered to <em>on</em>.
+See the <a href="qprogressbar.html#centerIndicator-prop">"centerIndicator"</a> property for details.
+<h3 class=fn>bool <a name="setIndicator"></a>TQProgressBar::setIndicator ( <a href="qstring.html">TQString</a>&nbsp;&amp;&nbsp;indicator, int&nbsp;progress, int&nbsp;totalSteps )<tt> [virtual protected]</tt>
+</h3>
+This method is called to generate the text displayed in the center
+(or in some styles, to the left) of the progress bar.
+<p> The <em>progress</em> may be negative, indicating that the progress bar
+is in the "reset" state before any progress is set.
+<p> The default implementation is the percentage of completion or
+blank in the reset state. The percentage is calculated based on
+the <em>progress</em> and <em>totalSteps</em>. You can set the <em>indicator</em>
+text if you wish.
+<p> To allow efficient repainting of the progress bar, this method
+should return FALSE if the string is unchanged from the last call
+to this function.
+
+<h3 class=fn>void <a name="setIndicatorFollowsStyle"></a>TQProgressBar::setIndicatorFollowsStyle ( bool )
+</h3><p>Sets whether the display of the indicator string should follow the GUI style.
+See the <a href="qprogressbar.html#indicatorFollowsStyle-prop">"indicatorFollowsStyle"</a> property for details.
+<h3 class=fn>void <a name="setPercentageVisible"></a>TQProgressBar::setPercentageVisible ( bool )
+</h3><p>Sets whether the current progress value is displayed.
+See the <a href="qprogressbar.html#percentageVisible-prop">"percentageVisible"</a> property for details.
+<h3 class=fn>void <a name="setProgress"></a>TQProgressBar::setProgress ( int&nbsp;progress )<tt> [virtual slot]</tt>
+</h3><p>Sets the current amount of progress to <em>progress</em>.
+See the <a href="qprogressbar.html#progress-prop">"progress"</a> property for details.
+<h3 class=fn>void <a name="setProgress-2"></a>TQProgressBar::setProgress ( int&nbsp;progress, int&nbsp;totalSteps )<tt> [slot]</tt>
+</h3>
+This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
+<p> Sets the amount of progress to <em>progress</em> and the total number of
+steps to <em>totalSteps</em>.
+<p> <p>See also <a href="#totalSteps-prop">totalSteps</a>.
+
+<h3 class=fn>void <a name="setTotalSteps"></a>TQProgressBar::setTotalSteps ( int&nbsp;totalSteps )<tt> [virtual slot]</tt>
+</h3><p>Sets the total number of steps to <em>totalSteps</em>.
+See the <a href="qprogressbar.html#totalSteps-prop">"totalSteps"</a> property for details.
+<h3 class=fn>int <a name="totalSteps"></a>TQProgressBar::totalSteps () const
+</h3><p>Returns the total number of steps.
+See the <a href="qprogressbar.html#totalSteps-prop">"totalSteps"</a> property for details.
+<hr><h2>Property Documentation</h2>
+<h3 class=fn>bool <a name="centerIndicator-prop"></a>centerIndicator</h3>
+<p>This property holds whether the indicator string should be centered.
+<p>Changing this property sets <a href="#indicatorFollowsStyle-prop">TQProgressBar::indicatorFollowsStyle</a>
+to FALSE. The default is TRUE.
+
+<p>Set this property's value with <a href="#setCenterIndicator">setCenterIndicator</a>() and get this property's value with <a href="#centerIndicator">centerIndicator</a>().
+<h3 class=fn>bool <a name="indicatorFollowsStyle-prop"></a>indicatorFollowsStyle</h3>
+<p>This property holds whether the display of the indicator string should follow the GUI style.
+<p>The default is TRUE.
+<p> <p>See also <a href="#centerIndicator-prop">centerIndicator</a>.
+
+<p>Set this property's value with <a href="#setIndicatorFollowsStyle">setIndicatorFollowsStyle</a>() and get this property's value with <a href="#indicatorFollowsStyle">indicatorFollowsStyle</a>().
+<h3 class=fn>bool <a name="percentageVisible-prop"></a>percentageVisible</h3>
+<p>This property holds whether the current progress value is displayed.
+<p>The default is TRUE.
+<p> <p>See also <a href="#centerIndicator-prop">centerIndicator</a> and <a href="#indicatorFollowsStyle-prop">indicatorFollowsStyle</a>.
+
+<p>Set this property's value with <a href="#setPercentageVisible">setPercentageVisible</a>() and get this property's value with <a href="#percentageVisible">percentageVisible</a>().
+<h3 class=fn>int <a name="progress-prop"></a>progress</h3>
+<p>This property holds the current amount of progress.
+<p>This property is -1 if progress counting has not started.
+
+<p>Set this property's value with <a href="#setProgress">setProgress</a>() and get this property's value with <a href="#progress">progress</a>().
+<h3 class=fn><a href="qstring.html">TQString</a> <a name="progressString-prop"></a>progressString</h3>
+<p>This property holds the amount of progress as a string.
+<p>This property is <a href="qstring.html#TQString-null">TQString::null</a> if progress counting has not started.
+
+<p>Get this property's value with <a href="#progressString">progressString</a>().
+<h3 class=fn>int <a name="totalSteps-prop"></a>totalSteps</h3>
+<p>This property holds the total number of steps.
+<p>If totalSteps is 0, the progress bar will display a busy
+indicator.
+<p> <p>See also
+<p>Set this property's value with <a href="#setTotalSteps">setTotalSteps</a>() and get this property's value with <a href="#totalSteps">totalSteps</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>