<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en_US" xml:lang="en_US">
<head>
<title>kdeprint: marginvaluewidget.cpp Source File (kdeprint)</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="Content-Style-Type" content="text/css" />
<meta http-equiv="pics-label" content='(pics-1.1 "http://www.icra.org/ratingsv02.html" comment "ICRAonline DE v2.0" l gen true for "http://www.kde.org" r (nz 1 vz 1 lz 1 oz 1 cb 1) "http://www.rsac.org/ratingsv01.html" l gen true for "http://www.kde.org" r (n 0 s 0 v 0 l 0))' />
<meta name="trademark" content="KDE e.V." />
<meta name="description" content="K Desktop Environment Homepage, KDE.org" />
<meta name="MSSmartTagsPreventParsing" content="true" />
<meta name="robots" content="all" />
<link rel="shortcut icon" href="../../favicon.ico" />
<link rel="stylesheet" media="screen" type="text/css" title="APIDOX" href="doxygen.css" />
</head>
<body>
<div id="nav_header_top" align="right">
<a href="#content" class="doNotDisplay" accesskey="2">Skip to main content ::</a>
<a href="../.."><img id="nav_header_logo" alt="Home" align="left" src="../../kde_gear_64.png" border="0" /></a>
<span class="doNotDisplay">::</span>
<div id="nav_header_title" align="left">KDE API Reference</div>
</div>
<div id="nav_header_bottom" align="right">
<span class="doNotDisplay">:: <a href="#navigation" accesskey="5">Skip to Link Menu</a><br/></span>
<div id="nav_header_bottom_right" style="text-align: left;">
/ <a href="../..">API Reference</a>
/ <a href=".">kdeprint</a>
</div>
</div>
<table id="main" border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td valign="top" class="menuheader" height="0"></td>
<td id="contentcolumn" valign="top" rowspan="2" >
<div id="content" style="padding-top: 0px;"><div style="width:100%; margin: 0px; padding: 0px;">
<a name="content"></a>
<!-- Generated by Doxygen 1.7.4 -->
<div class="header">
<div class="headertitle">
<div class="title">marginvaluewidget.cpp</div> </div>
</div>
<div class="contents">
<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * This file is part of the KDE libraries</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be></span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment"> * modify it under the terms of the GNU Library General Public</span>
<a name="l00007"></a>00007 <span class="comment"> * License version 2 as published by the Free Software Foundation.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00012"></a>00012 <span class="comment"> * Library General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * You should have received a copy of the GNU Library General Public License</span>
<a name="l00015"></a>00015 <span class="comment"> * along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00016"></a>00016 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00017"></a>00017 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00018"></a>00018 <span class="comment"> **/</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#include "marginvaluewidget.h"</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include <math.h></span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 MarginValueWidget::MarginValueWidget(KNumInput *below, <span class="keywordtype">double</span> value, <a class="codeRef" href="qwidget.html">QWidget</a> *parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name)
<a name="l00025"></a>00025 : KDoubleNumInput(below, value, parent, name)
<a name="l00026"></a>00026 {
<a name="l00027"></a>00027 m_mode = Pixels;
<a name="l00028"></a>00028 m_block = <span class="keyword">false</span>;
<a name="l00029"></a>00029 setPrecision(0);
<a name="l00030"></a>00030 m_dpi = 72.0;
<a name="l00031"></a>00031 m_margin = ( float )value;
<a name="l00032"></a>00032 setMode(m_mode);
<a name="l00033"></a>00033 setRange(0, 999, 1, <span class="keyword">false</span>);
<a name="l00034"></a>00034 connect(<span class="keyword">this</span>, SIGNAL(valueChanged(<span class="keywordtype">double</span>)), SLOT(slotValueChanged(<span class="keywordtype">double</span>)));
<a name="l00035"></a>00035 }
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="keywordtype">float</span> MarginValueWidget::margin()
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="comment">// Force synchronization</span>
<a name="l00040"></a>00040 m_margin = toPixel(value(), m_mode);
<a name="l00041"></a>00041 <span class="keywordflow">return</span> m_margin;
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keywordtype">void</span> MarginValueWidget::setMargin(<span class="keywordtype">float</span> m)
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 m_margin = m;
<a name="l00047"></a>00047 <span class="keywordtype">double</span> v = toValue(m, m_mode);
<a name="l00048"></a>00048 m_block = <span class="keyword">true</span>;
<a name="l00049"></a>00049 setValue(v);
<a name="l00050"></a>00050 m_block = <span class="keyword">false</span>;
<a name="l00051"></a>00051 emit marginChanged( m_margin );
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keywordtype">float</span> MarginValueWidget::toPixel(<span class="keywordtype">double</span> value, <span class="keywordtype">int</span> mode)
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 <span class="keywordflow">switch</span> (mode)
<a name="l00057"></a>00057 {
<a name="l00058"></a>00058 <span class="keywordflow">default</span>:
<a name="l00059"></a>00059 <span class="keywordflow">case</span> Pixels: <span class="keywordflow">return</span> (<span class="keywordtype">float</span>)value;
<a name="l00060"></a>00060 <span class="keywordflow">case</span> IN: <span class="keywordflow">return</span> (<span class="keywordtype">float</span>)(value * m_dpi);
<a name="l00061"></a>00061 <span class="keywordflow">case</span> CM: <span class="keywordflow">return</span> (<span class="keywordtype">float</span>)(value * m_dpi / 2.54);
<a name="l00062"></a>00062 <span class="keywordflow">case</span> MM: <span class="keywordflow">return</span> (<span class="keywordtype">float</span>)(value * m_dpi / 25.4);
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordtype">double</span> MarginValueWidget::toValue(<span class="keywordtype">float</span> pix, <span class="keywordtype">int</span> mode)
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 <span class="keywordflow">switch</span> (mode)
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 <span class="keywordflow">default</span>:
<a name="l00071"></a>00071 <span class="keywordflow">case</span> Pixels:
<a name="l00072"></a>00072 <span class="keywordflow">return</span> (<span class="keywordtype">double</span>)pix;
<a name="l00073"></a>00073 <span class="keywordflow">case</span> IN:
<a name="l00074"></a>00074 <span class="keywordflow">return</span> (<span class="keywordtype">double</span>(pix) / m_dpi);
<a name="l00075"></a>00075 <span class="keywordflow">case</span> CM:
<a name="l00076"></a>00076 <span class="keywordflow">return</span> (<span class="keywordtype">double</span>(pix) * 2.54 / m_dpi);
<a name="l00077"></a>00077 <span class="keywordflow">case</span> MM:
<a name="l00078"></a>00078 <span class="keywordflow">return</span> ( <span class="keywordtype">double</span>( pix ) * 25.4 / m_dpi );
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keywordtype">void</span> MarginValueWidget::slotValueChanged(<span class="keywordtype">double</span> v)
<a name="l00083"></a>00083 {
<a name="l00084"></a>00084 <span class="keywordflow">if</span> (!m_block)
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 m_margin = toPixel( v, m_mode );
<a name="l00087"></a>00087 emit marginChanged(margin());
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keywordtype">void</span> MarginValueWidget::setMode(<span class="keywordtype">int</span> m)
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 <span class="keywordflow">if</span> (m != m_mode)
<a name="l00094"></a>00094 {
<a name="l00095"></a>00095 m_block = <span class="keyword">true</span>;
<a name="l00096"></a>00096 m_mode = m;
<a name="l00097"></a>00097 <span class="keywordtype">double</span> v = toValue(m_margin, m);
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (m == Pixels)
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100 setPrecision(0);
<a name="l00101"></a>00101 setRange(0.0, 999.0, 1.0, <span class="keyword">false</span>);
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103 <span class="keywordflow">else</span>
<a name="l00104"></a>00104 {
<a name="l00105"></a>00105 setPrecision(3);
<a name="l00106"></a>00106 setRange(0.0, 999.0, 0.01, <span class="keyword">false</span>);
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108 setValue(v);
<a name="l00109"></a>00109 m_block = <span class="keyword">false</span>;
<a name="l00110"></a>00110 }
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keywordtype">void</span> MarginValueWidget::setResolution(<span class="keywordtype">int</span> dpi)
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 m_dpi = dpi;
<a name="l00116"></a>00116 m_block = <span class="keyword">true</span>;
<a name="l00117"></a>00117 setMargin(m_margin);
<a name="l00118"></a>00118 m_block = <span class="keyword">false</span>;
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keywordtype">int</span> MarginValueWidget::resolution()<span class="keyword"> const</span>
<a name="l00122"></a>00122 <span class="keyword"></span>{
<a name="l00123"></a>00123 <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)(m_dpi+0.5);
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="preprocessor">#include "marginvaluewidget.moc"</span>
</pre></div></div>
</div>
</div></div>
</td>
</tr>
<tr>
<td valign="top" id="leftmenu" width="25%">
<a name="navigation"></a>
<div class="menu_box"><h2>kdeprint</h2>
<div class="nav_list">
<ul><li><a href="index.html">Main Page</a></li><li><a href="hierarchy.html">Class Hierarchy</a></li><li><a href="classes.html">Alphabetical List</a></li><li><a href="annotated.html">Class List</a></li><li><a href="files.html">File List</a></li><li><a href="functions.html">Class Members</a></li><li><a href="pages.html">Related Pages</a></li></ul>
<!--
<h2>Class Picker</h2>
<div style="text-align: center;">
<form name="guideform">
<select name="guidelinks" style="width:100%;" onChange="window.location=document.guideform.guidelinks.options[document.guideform.guidelinks.selectedIndex].value">
<option value="annotated.html">-- Choose --</option>
<option value="classKPrintDialogPage.html">kprintdialogpage</option>, <option value="classKPrinter.html">kprinter</option>, <option value="classTreeComboBox.html">treecombobox</option>, <option value="classTreeListBox.html">treelistbox</option>, <option value="classTreeListBoxItem.html">treelistboxitem</option>,
</select>
</form>
</div>
-->
</div></div>
<div class="menu_box"><h2>API Dox</h2>
<div class="nav_list">
<ul>
<li><a href="../../arts/html/index.html">arts</a></li><li><a href="../../dcop/html/index.html">dcop</a></li><li><a href="../../dnssd/html/index.html">dnssd</a></li><li><a href="../../interfaces/html/index.html">interfaces</a></li><li> <a href="../../interfaces/kimproxy/interface/html/index.html">interface</a></li><li> <a href="../../interfaces/kimproxy/library/html/index.html">library</a></li><li> <a href="../../interfaces/kspeech/html/index.html">kspeech</a></li><li> <a href="../../interfaces/ktexteditor/html/index.html">ktexteditor</a></li><li><a href="../../kabc/html/index.html">kabc</a></li><li><a href="../../kate/html/index.html">kate</a></li><li><a href="../../kcmshell/html/index.html">kcmshell</a></li><li><a href="../../kdecore/html/index.html">kdecore</a></li><li><a href="../../kded/html/index.html">kded</a></li><li><a href="../../kdefx/html/index.html">kdefx</a></li><li><a href="../../kdeprint/html/index.html">kdeprint</a></li><li><a href="../../kdesu/html/index.html">kdesu</a></li><li><a href="../../kdeui/html/index.html">kdeui</a></li><li><a href="../../kdoctools/html/index.html">kdoctools</a></li><li><a href="../../khtml/html/index.html">khtml</a></li><li><a href="../../kimgio/html/index.html">kimgio</a></li><li><a href="../../kinit/html/index.html">kinit</a></li><li><a href="../../kio/html/index.html">kio</a></li><li> <a href="../../kio/bookmarks/html/index.html">bookmarks</a></li><li> <a href="../../kio/httpfilter/html/index.html">httpfilter</a></li><li> <a href="../../kio/kfile/html/index.html">kfile</a></li><li> <a href="../../kio/kio/html/index.html">kio</a></li><li> <a href="../../kio/kioexec/html/index.html">kioexec</a></li><li> <a href="../../kio/kpasswdserver/html/index.html">kpasswdserver</a></li><li> <a href="../../kio/kssl/html/index.html">kssl</a></li><li><a href="../../kioslave/html/index.html">kioslave</a></li><li> <a href="../../kioslave/http/html/index.html">http</a></li><li><a href="../../kjs/html/index.html">kjs</a></li><li><a href="../../kmdi/html/index.html">kmdi</a></li><li> <a href="../../kmdi/kmdi/html/index.html">kmdi</a></li><li><a href="../../knewstuff/html/index.html">knewstuff</a></li><li><a href="../../kparts/html/index.html">kparts</a></li><li><a href="../../kresources/html/index.html">kresources</a></li><li><a href="../../kspell2/html/index.html">kspell2</a></li><li><a href="../../kunittest/html/index.html">kunittest</a></li><li><a href="../../kutils/html/index.html">kutils</a></li><li><a href="../../kwallet/html/index.html">kwallet</a></li><li><a href="../../libkmid/html/index.html">libkmid</a></li><li><a href="../../libkscreensaver/html/index.html">libkscreensaver</a></li>
</ul></div></div>
</td>
</tr>
</table>
<span class="doNotDisplay">
<a href="http://www.kde.org/" accesskey="8">KDE Home</a> |
<a href="http://accessibility.kde.org/" accesskey="9">KDE Accessibility Home</a> |
<a href="http://www.kde.org/media/accesskeys.php" accesskey="0">Description of Access Keys</a>
</span>
<div style="height: 8px"></div>
<div id="footer">
<div id="footer_left">
Maintained by <a href="mailto:groot@kde.org">Adriaan de Groot</a>
and
<a href="mailto:winter@kde.org">Allen Winter</a>.
<br/>
KDE and K Desktop Environment are trademarks of <a href="http://www.kde.org/areas/kde-ev/" title="Homepage of the KDE non-profit Organization">KDE e.V.</a> |
<a href="http://www.kde.org/contact/impressum.php">Legal</a>
</div>
<div id="footer_right"><img src="/media/images/footer_right.png" style="margin: 0px" alt="" /></div>
</div>
<!--
WARNING: DO NOT SEND MAIL TO THE FOLLOWING EMAIL ADDRESS! YOU WILL
BE BLOCKED INSTANTLY AND PERMANENTLY!
<a href="mailto:aaaatrap-425acc3b5374943f@kde.org">Block me</a>
WARNING END
-->
</body>
</html>
