<?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>kalarm/lib: label.cpp Source File (kalarm/lib)</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" /> <style type="text/css"> <!-- hr { display: none; } #content h2 { margin-left: 0px; } table.mdTable { background-color: #f8f8f8; border: .2em solid #d7d7d7; } td.mdRow { padding: 8px 20px; } td.md { font-weight: bold; } td.mdname1 { font-weight: bold; color: #602020; } td.mdname { font-weight: bold; color: #602020; } --> </style> </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> <img id="nav_header_logo_right" alt="" align="right" src="../../../pimlogo.png" border="0" /> <div id="nav_header_title" align="left">KDE PIM 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_left" style="text-align: left;"> / <a href="../../../">API Reference</a> / <a href="../../html/index.html">kalarm</a> / <a href=".">lib</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;"> <h2><a name="content"></a>kalarm/lib</h2> <!-- Generated by Doxygen 1.5.5 --> <h1>label.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> <a name="l00002"></a>00002 <span class="comment"> * label.cpp - label with radiobutton buddy option</span> <a name="l00003"></a>00003 <span class="comment"> * Program: kalarm</span> <a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2004 by David Jarvie <software@astrojar.org.uk></span> <a name="l00005"></a>00005 <span class="comment"> *</span> <a name="l00006"></a>00006 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span> <a name="l00007"></a>00007 <span class="comment"> * it under the terms of the GNU General Public License as published by</span> <a name="l00008"></a>00008 <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span> <a name="l00009"></a>00009 <span class="comment"> * (at your option) any later version.</span> <a name="l00010"></a>00010 <span class="comment"> *</span> <a name="l00011"></a>00011 <span class="comment"> * This program is distributed in the hope that it will be useful,</span> <a name="l00012"></a>00012 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span> <a name="l00013"></a>00013 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span> <a name="l00014"></a>00014 <span class="comment"> * GNU General Public License for more details.</span> <a name="l00015"></a>00015 <span class="comment"> *</span> <a name="l00016"></a>00016 <span class="comment"> * You should have received a copy of the GNU General Public License along</span> <a name="l00017"></a>00017 <span class="comment"> * with this program; if not, write to the Free Software Foundation, Inc.,</span> <a name="l00018"></a>00018 <span class="comment"> * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.</span> <a name="l00019"></a>00019 <span class="comment"> */</span> <a name="l00020"></a>00020 <a name="l00021"></a>00021 <span class="preprocessor">#include "kalarm.h"</span> <a name="l00022"></a>00022 <span class="preprocessor">#include <qradiobutton.h></span> <a name="l00023"></a>00023 <span class="preprocessor">#include "label.moc"</span> <a name="l00024"></a>00024 <a name="l00025"></a>00025 <a name="l00026"></a><a class="code" href="classLabel.html#4bd9e2934ae31f623ec0ddf09b38ef4d">00026</a> <a class="code" href="classLabel.html#4bd9e2934ae31f623ec0ddf09b38ef4d" title="Constructs an empty label.">Label::Label</a>(QWidget* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name, WFlags f) <a name="l00027"></a>00027 : QLabel(parent, name, f), <a name="l00028"></a>00028 mRadioButton(0), <a name="l00029"></a>00029 mFocusWidget(0) <a name="l00030"></a>00030 { } <a name="l00031"></a>00031 <a name="l00032"></a><a class="code" href="classLabel.html#cc6cbaa6bb35666a855d24d4083b6ec6">00032</a> <a class="code" href="classLabel.html#4bd9e2934ae31f623ec0ddf09b38ef4d" title="Constructs an empty label.">Label::Label</a>(<span class="keyword">const</span> QString& text, QWidget* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name, WFlags f) <a name="l00033"></a>00033 : QLabel(text, parent, name, f), <a name="l00034"></a>00034 mRadioButton(0), <a name="l00035"></a>00035 mFocusWidget(0) <a name="l00036"></a>00036 { } <a name="l00037"></a>00037 <a name="l00038"></a><a class="code" href="classLabel.html#7787ce18989cb79c30a0e6f162303b45">00038</a> <a class="code" href="classLabel.html#4bd9e2934ae31f623ec0ddf09b38ef4d" title="Constructs an empty label.">Label::Label</a>(QWidget* buddy, <span class="keyword">const</span> QString& text, QWidget* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name, WFlags f) <a name="l00039"></a>00039 : QLabel(buddy, text, parent, name, f), <a name="l00040"></a>00040 mRadioButton(0), <a name="l00041"></a>00041 mFocusWidget(0) <a name="l00042"></a>00042 { } <a name="l00043"></a>00043 <a name="l00044"></a>00044 <span class="comment">/******************************************************************************</span> <a name="l00045"></a>00045 <span class="comment">* Set a buddy widget.</span> <a name="l00046"></a>00046 <span class="comment">* If it (or its focus proxy) is a radio button, create a focus widget.</span> <a name="l00047"></a>00047 <span class="comment">* When the accelerator key is pressed, the focus widget then receives focus.</span> <a name="l00048"></a>00048 <span class="comment">* That event triggers the selection of the radio button.</span> <a name="l00049"></a>00049 <span class="comment">*/</span> <a name="l00050"></a><a class="code" href="classLabel.html#1550a765f011d44bfebd1596e44a7f94">00050</a> <span class="keywordtype">void</span> <a class="code" href="classLabel.html#1550a765f011d44bfebd1596e44a7f94" title="Sets the label&#39;s buddy widget which receives the keyboard focus when the label&#39;s...">Label::setBuddy</a>(QWidget* bud) <a name="l00051"></a>00051 { <a name="l00052"></a>00052 <span class="keywordflow">if</span> (mRadioButton) <a name="l00053"></a>00053 disconnect(mRadioButton, SIGNAL(destroyed()), <span class="keyword">this</span>, SLOT(buddyDead())); <a name="l00054"></a>00054 QWidget* w = bud; <a name="l00055"></a>00055 <span class="keywordflow">if</span> (w) <a name="l00056"></a>00056 { <a name="l00057"></a>00057 <span class="keywordflow">while</span> (w->focusProxy()) <a name="l00058"></a>00058 w = w->focusProxy(); <a name="l00059"></a>00059 <span class="keywordflow">if</span> (!w->inherits(<span class="stringliteral">"QRadioButton"</span>)) <a name="l00060"></a>00060 w = 0; <a name="l00061"></a>00061 } <a name="l00062"></a>00062 <span class="keywordflow">if</span> (!w) <a name="l00063"></a>00063 { <a name="l00064"></a>00064 <span class="comment">// The buddy widget isn't a radio button</span> <a name="l00065"></a>00065 QLabel::setBuddy(bud); <a name="l00066"></a>00066 <span class="keyword">delete</span> mFocusWidget; <a name="l00067"></a>00067 mFocusWidget = 0; <a name="l00068"></a>00068 mRadioButton = 0; <a name="l00069"></a>00069 } <a name="l00070"></a>00070 <span class="keywordflow">else</span> <a name="l00071"></a>00071 { <a name="l00072"></a>00072 <span class="comment">// The buddy widget is a radio button, so set a different buddy</span> <a name="l00073"></a>00073 <span class="keywordflow">if</span> (!mFocusWidget) <a name="l00074"></a>00074 mFocusWidget = <span class="keyword">new</span> LabelFocusWidget(<span class="keyword">this</span>); <a name="l00075"></a>00075 QLabel::setBuddy(mFocusWidget); <a name="l00076"></a>00076 mRadioButton = (QRadioButton*)bud; <a name="l00077"></a>00077 connect(mRadioButton, SIGNAL(destroyed()), <span class="keyword">this</span>, SLOT(buddyDead())); <a name="l00078"></a>00078 } <a name="l00079"></a>00079 } <a name="l00080"></a>00080 <a name="l00081"></a>00081 <span class="keywordtype">void</span> Label::buddyDead() <a name="l00082"></a>00082 { <a name="l00083"></a>00083 <span class="keyword">delete</span> mFocusWidget; <a name="l00084"></a>00084 mFocusWidget = 0; <a name="l00085"></a>00085 mRadioButton = 0; <a name="l00086"></a>00086 } <a name="l00087"></a>00087 <a name="l00088"></a>00088 <span class="comment">/******************************************************************************</span> <a name="l00089"></a>00089 <span class="comment">* Called when focus is transferred to the label's special focus widget.</span> <a name="l00090"></a>00090 <span class="comment">* Transfer focus to the radio button and select it.</span> <a name="l00091"></a>00091 <span class="comment">*/</span> <a name="l00092"></a>00092 <span class="keywordtype">void</span> Label::activated() <a name="l00093"></a>00093 { <a name="l00094"></a>00094 <span class="keywordflow">if</span> (mFocusWidget && mRadioButton) <a name="l00095"></a>00095 { <a name="l00096"></a>00096 mRadioButton->setFocus(); <a name="l00097"></a>00097 mRadioButton->setChecked(<span class="keyword">true</span>); <a name="l00098"></a>00098 } <a name="l00099"></a>00099 } <a name="l00100"></a>00100 <a name="l00101"></a>00101 <a name="l00102"></a>00102 <span class="comment">/*=============================================================================</span> <a name="l00103"></a>00103 <span class="comment">* Class: LabelFocusWidget</span> <a name="l00104"></a>00104 <span class="comment">=============================================================================*/</span> <a name="l00105"></a>00105 <a name="l00106"></a>00106 LabelFocusWidget::LabelFocusWidget(QWidget* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name) <a name="l00107"></a>00107 : QWidget(parent, name) <a name="l00108"></a>00108 { <a name="l00109"></a>00109 setFocusPolicy(ClickFocus); <a name="l00110"></a>00110 setFixedSize(QSize(1,1)); <a name="l00111"></a>00111 } <a name="l00112"></a>00112 <a name="l00113"></a>00113 <span class="keywordtype">void</span> LabelFocusWidget::focusInEvent(QFocusEvent*) <a name="l00114"></a>00114 { <a name="l00115"></a>00115 <a class="code" href="classLabel.html" title="A QLabel with option for a buddy radio button.">Label</a>* parent = (<a class="code" href="classLabel.html" title="A QLabel with option for a buddy radio button.">Label</a>*)parentWidget(); <a name="l00116"></a>00116 parent-><a class="code" href="classLabel.html#878394ba10c5e0289c05ac9a8ce6a779">activated</a>(); <a name="l00117"></a>00117 <a name="l00118"></a>00118 } </pre></div></div> </div></div> </td> </tr> <tr> <td valign="top" id="leftmenu" width="25%"> <a name="navigation"></a> <div class="menu_box"><h2>kalarm/lib</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></ul> <!-- <h2>Class Picker</h2> <div style="text-align: center;"> <form name="guideform"> <select name="guidelinks" style="width:100%;" 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