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| author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
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| committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
| commit | bd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch) | |
| tree | 7a520322212d48ebcb9fbe1087e7fca28b76185c /doc/html/qprogressbar.html | |
| download | qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip | |
Add Qt3 development HEAD version
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diff --git a/doc/html/qprogressbar.html b/doc/html/qprogressbar.html new file mode 100644 index 0000000..344a648 --- /dev/null +++ b/doc/html/qprogressbar.html @@ -0,0 +1,224 @@ +<!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/qprogressbar.cpp:50 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>QProgressBar 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>QProgressBar Class Reference</h1> + +<p>The QProgressBar widget provides a horizontal progress bar. +<a href="#details">More...</a> +<p><tt>#include <<a href="qprogressbar-h.html">qprogressbar.h</a>></tt> +<p>Inherits <a href="qframe.html">QFrame</a>. +<p><a href="qprogressbar-members.html">List of all member functions.</a> +<h2>Public Members</h2> +<ul> +<li class=fn><a href="#QProgressBar"><b>QProgressBar</b></a> ( QWidget * parent = 0, const char * name = 0, WFlags f = 0 )</li> +<li class=fn><a href="#QProgressBar-2"><b>QProgressBar</b></a> ( int totalSteps, QWidget * parent = 0, const char * name = 0, WFlags 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 QString & <a href="#progressString"><b>progressString</b></a> () const</li> +<li class=fn>void <a href="#setCenterIndicator"><b>setCenterIndicator</b></a> ( bool 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 totalSteps )</li> +<li class=fn>virtual void <a href="#setProgress"><b>setProgress</b></a> ( int progress )</li> +<li class=fn>void <a href="#setProgress-2"><b>setProgress</b></a> ( int progress, int totalSteps )</li> +</ul> +<h2>Properties</h2> +<ul> +<li class=fn>bool <a href="#centerIndicator-prop"><b>centerIndicator</b></a> - whether the indicator string should be centered</li> +<li class=fn>bool <a href="#indicatorFollowsStyle-prop"><b>indicatorFollowsStyle</b></a> - 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> - whether the current progress value is displayed</li> +<li class=fn>int <a href="#progress-prop"><b>progress</b></a> - the current amount of progress</li> +<li class=fn>QString <a href="#progressString-prop"><b>progressString</b></a> - the amount of progress as a string <em>(read only)</em></li> +<li class=fn>int <a href="#totalSteps-prop"><b>totalSteps</b></a> - the total number of steps</li> +</ul> +<h2>Protected Members</h2> +<ul> +<li class=fn>virtual bool <a href="#setIndicator"><b>setIndicator</b></a> ( QString & indicator, int progress, int totalSteps )</li> +</ul> +<hr><a name="details"></a><h2>Detailed Description</h2> + + +The QProgressBar 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">QFtp</a> or <a href="qhttp.html">QHttp</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">QProgressDialog</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">QProgressDialog</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="QProgressBar"></a>QProgressBar::QProgressBar ( <a href="qwidget.html">QWidget</a> * parent = 0, const char * name = 0, WFlags 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#QFrame">QFrame::QFrame</a>() constructor. +<p> <p>See also <a href="#totalSteps-prop">totalSteps</a>. + +<h3 class=fn><a name="QProgressBar-2"></a>QProgressBar::QProgressBar ( int totalSteps, <a href="qwidget.html">QWidget</a> * parent = 0, const char * name = 0, WFlags 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#QFrame">QFrame::QFrame</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>QProgressBar::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>QProgressBar::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>QProgressBar::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>QProgressBar::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 <a href="qstring.html">QString</a> & <a name="progressString"></a>QProgressBar::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>QProgressBar::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>QProgressBar::setCenterIndicator ( bool 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>QProgressBar::setIndicator ( <a href="qstring.html">QString</a> & indicator, int progress, int 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>QProgressBar::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>QProgressBar::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>QProgressBar::setProgress ( int 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>QProgressBar::setProgress ( int progress, int 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>QProgressBar::setTotalSteps ( int 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>QProgressBar::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">QProgressBar::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">QString</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#QString-null">QString::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">Qt toolkit</a>. +Copyright © 1995-2007 +<a href="http://www.trolltech.com/">Trolltech</a>. 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