<?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: pickfileradio.cpp Source File (kalarm)</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=".">kalarm</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</h2> <!-- Generated by Doxygen 1.5.5 --> <h1>pickfileradio.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"> * pickfileradio.cpp - radio button with an associated file picker</span> <a name="l00003"></a>00003 <span class="comment"> * Program: kalarm</span> <a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2005 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 <a name="l00023"></a>00023 <span class="preprocessor">#include <qbuttongroup.h></span> <a name="l00024"></a>00024 <span class="preprocessor">#include <qpushbutton.h></span> <a name="l00025"></a>00025 <span class="preprocessor">#include <qtimer.h></span> <a name="l00026"></a>00026 <a name="l00027"></a>00027 <span class="preprocessor">#include <kdebug.h></span> <a name="l00028"></a>00028 <a name="l00029"></a>00029 <span class="preprocessor">#include "lineedit.h"</span> <a name="l00030"></a>00030 <span class="preprocessor">#include "pickfileradio.moc"</span> <a name="l00031"></a>00031 <a name="l00032"></a>00032 <a name="l00033"></a><a class="code" href="classPickFileRadio.html#d25f29ddca7dab38bbcfc268bde054dd">00033</a> <a class="code" href="classPickFileRadio.html#d25f29ddca7dab38bbcfc268bde054dd" title="Constructor.">PickFileRadio::PickFileRadio</a>(QPushButton* button, LineEdit* edit, <span class="keyword">const</span> QString& text, QButtonGroup* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name) <a name="l00034"></a>00034 : RadioButton(text, parent, name), <a name="l00035"></a>00035 mGroup(parent), <a name="l00036"></a>00036 mEdit(edit), <a name="l00037"></a>00037 mButton(button), <a name="l00038"></a>00038 mLastId(-1), <span class="comment">// set to an invalid value</span> <a name="l00039"></a>00039 mRevertId(false) <a name="l00040"></a>00040 { <a name="l00041"></a>00041 Q_ASSERT(parent); <a name="l00042"></a>00042 Q_ASSERT(button); <a name="l00043"></a>00043 mButton->setEnabled(<span class="keyword">false</span>); <a name="l00044"></a>00044 connect(mButton, SIGNAL(clicked()), SLOT(slotPickFile())); <a name="l00045"></a>00045 <span class="keywordflow">if</span> (mEdit) <a name="l00046"></a>00046 mEdit->setEnabled(<span class="keyword">false</span>); <a name="l00047"></a>00047 connect(mGroup, SIGNAL(buttonSet(<span class="keywordtype">int</span>)), SLOT(slotSelectionChanged(<span class="keywordtype">int</span>))); <a name="l00048"></a>00048 } <a name="l00049"></a>00049 <a name="l00050"></a><a class="code" href="classPickFileRadio.html#02d04783411a3ae20827104581f71373">00050</a> <a class="code" href="classPickFileRadio.html#d25f29ddca7dab38bbcfc268bde054dd" title="Constructor.">PickFileRadio::PickFileRadio</a>(<span class="keyword">const</span> QString& text, QButtonGroup* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name) <a name="l00051"></a>00051 : RadioButton(text, parent, name), <a name="l00052"></a>00052 mGroup(parent), <a name="l00053"></a>00053 mEdit(0), <a name="l00054"></a>00054 mButton(0), <a name="l00055"></a>00055 mLastId(-1), <span class="comment">// set to an invalid value</span> <a name="l00056"></a>00056 mRevertId(false) <a name="l00057"></a>00057 { <a name="l00058"></a>00058 Q_ASSERT(parent); <a name="l00059"></a>00059 } <a name="l00060"></a>00060 <a name="l00061"></a><a class="code" href="classPickFileRadio.html#6057a9b17f2acc6e7d1c96ab9b3388cb">00061</a> <span class="keywordtype">void</span> <a class="code" href="classPickFileRadio.html#6057a9b17f2acc6e7d1c96ab9b3388cb" title="Initialises the widget.">PickFileRadio::init</a>(QPushButton* button, LineEdit* edit) <a name="l00062"></a>00062 { <a name="l00063"></a>00063 Q_ASSERT(button); <a name="l00064"></a>00064 mEdit = edit; <a name="l00065"></a>00065 mButton = button; <a name="l00066"></a>00066 mButton->setEnabled(<span class="keyword">false</span>); <a name="l00067"></a>00067 connect(mButton, SIGNAL(clicked()), SLOT(slotPickFile())); <a name="l00068"></a>00068 <span class="keywordflow">if</span> (mEdit) <a name="l00069"></a>00069 mEdit->setEnabled(<span class="keyword">false</span>); <a name="l00070"></a>00070 connect(mGroup, SIGNAL(buttonSet(<span class="keywordtype">int</span>)), SLOT(slotSelectionChanged(<span class="keywordtype">int</span>))); <a name="l00071"></a>00071 <a class="code" href="classPickFileRadio.html#f8fd97eefba74449244b11125003246a" title="Sets whether the radio button and associated widgets are read-only for the user.">setReadOnly</a>(RadioButton::isReadOnly()); <a name="l00072"></a>00072 } <a name="l00073"></a>00073 <a name="l00074"></a><a class="code" href="classPickFileRadio.html#f8fd97eefba74449244b11125003246a">00074</a> <span class="keywordtype">void</span> <a class="code" href="classPickFileRadio.html#f8fd97eefba74449244b11125003246a" title="Sets whether the radio button and associated widgets are read-only for the user.">PickFileRadio::setReadOnly</a>(<span class="keywordtype">bool</span> ro) <a name="l00075"></a>00075 { <a name="l00076"></a>00076 RadioButton::setReadOnly(ro); <a name="l00077"></a>00077 <span class="keywordflow">if</span> (mButton) <a name="l00078"></a>00078 { <a name="l00079"></a>00079 <span class="keywordflow">if</span> (mEdit) <a name="l00080"></a>00080 mEdit->setReadOnly(ro); <a name="l00081"></a>00081 <span class="keywordflow">if</span> (ro) <a name="l00082"></a>00082 mButton->hide(); <a name="l00083"></a>00083 <span class="keywordflow">else</span> <a name="l00084"></a>00084 mButton->show(); <a name="l00085"></a>00085 } <a name="l00086"></a>00086 } <a name="l00087"></a>00087 <a name="l00088"></a><a class="code" href="classPickFileRadio.html#1cf7fad195e36df9252d7ab424fd7962">00088</a> <span class="keywordtype">void</span> <a class="code" href="classPickFileRadio.html#1cf7fad195e36df9252d7ab424fd7962" title="Notifies the widget of the currently selected file name.">PickFileRadio::setFile</a>(<span class="keyword">const</span> QString& <a class="code" href="classPickFileRadio.html#9afbfee2befcba8ba1584841154124cb" title="Returns the currently selected file name.">file</a>) <a name="l00089"></a>00089 { <a name="l00090"></a>00090 mFile = file; <a name="l00091"></a>00091 } <a name="l00092"></a>00092 <a name="l00093"></a><a class="code" href="classPickFileRadio.html#9afbfee2befcba8ba1584841154124cb">00093</a> QString <a class="code" href="classPickFileRadio.html#9afbfee2befcba8ba1584841154124cb" title="Returns the currently selected file name.">PickFileRadio::file</a>()<span class="keyword"> const</span> <a name="l00094"></a>00094 <span class="keyword"></span>{ <a name="l00095"></a>00095 <span class="keywordflow">return</span> mEdit ? mEdit->text() : mFile; <a name="l00096"></a>00096 } <a name="l00097"></a>00097 <a name="l00098"></a>00098 <span class="comment">/******************************************************************************</span> <a name="l00099"></a>00099 <span class="comment">* Set the radio button enabled or disabled.</span> <a name="l00100"></a>00100 <span class="comment">* Adjusts the enabled/disabled state of other controls appropriately.</span> <a name="l00101"></a>00101 <span class="comment">*/</span> <a name="l00102"></a><a class="code" href="classPickFileRadio.html#74f5694d68df36aa7f12cca3cdaef48b">00102</a> <span class="keywordtype">void</span> <a class="code" href="classPickFileRadio.html#74f5694d68df36aa7f12cca3cdaef48b" title="Enables or disables the radio button, and adjusts the enabled state of the associated...">PickFileRadio::setEnabled</a>(<span class="keywordtype">bool</span> enable) <a name="l00103"></a>00103 { <a name="l00104"></a>00104 Q_ASSERT(mButton); <a name="l00105"></a>00105 RadioButton::setEnabled(enable); <a name="l00106"></a>00106 enable = enable && mGroup->selected() == <span class="keyword">this</span>; <a name="l00107"></a>00107 <span class="keywordflow">if</span> (enable) <a name="l00108"></a>00108 { <a name="l00109"></a>00109 <span class="keywordflow">if</span> (!pickFileIfNone()) <a name="l00110"></a>00110 enable = <span class="keyword">false</span>; <span class="comment">// revert to previously selected type</span> <a name="l00111"></a>00111 } <a name="l00112"></a>00112 mButton->setEnabled(enable); <a name="l00113"></a>00113 <span class="keywordflow">if</span> (mEdit) <a name="l00114"></a>00114 mEdit->setEnabled(enable); <a name="l00115"></a>00115 } <a name="l00116"></a>00116 <a name="l00117"></a>00117 <span class="comment">/******************************************************************************</span> <a name="l00118"></a>00118 <span class="comment">* Called when the selected radio button changes.</span> <a name="l00119"></a>00119 <span class="comment">*/</span> <a name="l00120"></a>00120 <span class="keywordtype">void</span> PickFileRadio::slotSelectionChanged(<span class="keywordtype">int</span> <span class="keywordtype">id</span>) <a name="l00121"></a>00121 { <a name="l00122"></a>00122 <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == mLastId || mRevertId) <a name="l00123"></a>00123 <span class="keywordflow">return</span>; <a name="l00124"></a>00124 <span class="keywordtype">int</span> radioId = mGroup->id(<span class="keyword">this</span>); <a name="l00125"></a>00125 <span class="keywordflow">if</span> (mLastId == radioId) <a name="l00126"></a>00126 { <a name="l00127"></a>00127 mButton->setEnabled(<span class="keyword">false</span>); <a name="l00128"></a>00128 <span class="keywordflow">if</span> (mEdit) <a name="l00129"></a>00129 mEdit->setEnabled(<span class="keyword">false</span>); <a name="l00130"></a>00130 } <a name="l00131"></a>00131 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == radioId) <a name="l00132"></a>00132 { <a name="l00133"></a>00133 <span class="keywordflow">if</span> (!pickFileIfNone()) <a name="l00134"></a>00134 <span class="keywordflow">return</span>; <span class="comment">// revert to previously selected type</span> <a name="l00135"></a>00135 mButton->setEnabled(<span class="keyword">true</span>); <a name="l00136"></a>00136 <span class="keywordflow">if</span> (mEdit) <a name="l00137"></a>00137 mEdit->setEnabled(<span class="keyword">true</span>); <a name="l00138"></a>00138 } <a name="l00139"></a>00139 mLastId = id; <a name="l00140"></a>00140 } <a name="l00141"></a>00141 <a name="l00142"></a>00142 <span class="comment">/******************************************************************************</span> <a name="l00143"></a>00143 <span class="comment">* Prompt for a file name if there is none currently entered.</span> <a name="l00144"></a>00144 <span class="comment">*/</span> <a name="l00145"></a>00145 <span class="keywordtype">bool</span> PickFileRadio::pickFileIfNone() <a name="l00146"></a>00146 { <a name="l00147"></a>00147 <span class="keywordflow">if</span> (mEdit) <a name="l00148"></a>00148 mFile = mEdit->text(); <a name="l00149"></a>00149 <span class="keywordflow">if</span> (!mFile.isEmpty()) <a name="l00150"></a>00150 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00151"></a>00151 slotPickFile(); <a name="l00152"></a>00152 <span class="keywordflow">return</span> !mFile.isEmpty(); <a name="l00153"></a>00153 } <a name="l00154"></a>00154 <a name="l00155"></a>00155 <span class="comment">/******************************************************************************</span> <a name="l00156"></a>00156 <span class="comment">* Called when the file picker button is clicked.</span> <a name="l00157"></a>00157 <span class="comment">*/</span> <a name="l00158"></a>00158 <span class="keywordtype">void</span> PickFileRadio::slotPickFile() <a name="l00159"></a>00159 { <a name="l00160"></a>00160 mFile = <a class="code" href="classPickFileRadio.html#3c077ee1a42ae79cea5825136b87f763" title="Chooses a file, for example by displaying a file selection dialogue.">pickFile</a>(); <a name="l00161"></a>00161 <span class="keywordflow">if</span> (mEdit) <a name="l00162"></a>00162 mEdit->setText(mFile); <a name="l00163"></a>00163 <span class="keywordflow">if</span> (mFile.isEmpty()) <a name="l00164"></a>00164 { <a name="l00165"></a>00165 <span class="comment">// No file is selected, so revert to the previous radio button selection.</span> <a name="l00166"></a>00166 <span class="comment">// But wait a moment before setting the radio button, or it won't work.</span> <a name="l00167"></a>00167 mRevertId = <span class="keyword">true</span>; <span class="comment">// prevent picker dialogue popping up twice</span> <a name="l00168"></a>00168 QTimer::singleShot(0, <span class="keyword">this</span>, SLOT(setLastId())); <a name="l00169"></a>00169 } <a name="l00170"></a>00170 } <a name="l00171"></a>00171 <a name="l00172"></a>00172 <span class="comment">/******************************************************************************</span> <a name="l00173"></a>00173 <span class="comment">* Select the previously selected radio button in the group.</span> <a name="l00174"></a>00174 <span class="comment">*/</span> <a name="l00175"></a>00175 <span class="keywordtype">void</span> PickFileRadio::setLastId() <a name="l00176"></a>00176 { <a name="l00177"></a>00177 <span class="keywordflow">if</span> (mLastId == -1) <a name="l00178"></a>00178 setOn(<span class="keyword">false</span>); <span class="comment">// we don't know the previous selection, so just turn this button off</span> <a name="l00179"></a>00179 <span class="keywordflow">else</span> <a name="l00180"></a>00180 mGroup->setButton(mLastId); <a name="l00181"></a>00181 mRevertId = <span class="keyword">false</span>; <a name="l00182"></a>00182 } </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</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%;" onChange="window.location=document.guideform.guidelinks.options[document.guideform.guidelinks.selectedIndex].value"> <option value="annotated.html">-- Choose --</option> <option value="classAlarmCalendar.html">alarmcalendar</option>, <option value="classKAEvent.html">kaevent</option>, <option value="classKAlarmIface.html">kalarmiface</option>, <option value="classMainWindowBase.html">mainwindowbase</option>, <option value="classMessageWin.html">messagewin</option>, <option value="classPickFileRadio.html">pickfileradio</option>, <option value="classStartOfDayTimer.html">startofdaytimer</option>, </select> </form> </div> --> </div></div> <div class="menu_box"><h2>API Dox</h2> <div class="nav_list"> <ul> <li><a href="../../akregator/html/index.html">akregator</a></li><li> <a href="../../akregator/src/html/index.html">src</a></li><li> <a href="../../akregator/src/librss/html/index.html">librss</a></li><li><a href="../../certmanager/html/index.html">certmanager</a></li><li> <a href="../../certmanager/lib/html/index.html">lib</a></li><li><a href="../../kaddressbook/html/index.html">kaddressbook</a></li><li><a href="../../kalarm/html/index.html">kalarm</a></li><li> <a href="../../kalarm/lib/html/index.html">lib</a></li><li><a href="../../kandy/html/index.html">kandy</a></li><li><a href="../../karm/html/index.html">karm</a></li><li><a href="../../kdgantt/html/index.html">kdgantt</a></li><li><a href="../../kgantt/html/index.html">kgantt</a></li><li><a href="../../kioslaves/html/index.html">kioslaves</a></li><li> <a href="../../kioslaves/imap4/html/index.html">imap4</a></li><li> <a href="../../kioslaves/mbox/html/index.html">mbox</a></li><li><a href="../../kitchensync/html/index.html">kitchensync</a></li><li><a href="../../kmail/html/index.html">kmail</a></li><li><a href="../../knotes/html/index.html">knotes</a></li><li><a href="../../konsolekalendar/html/index.html">konsolekalendar</a></li><li><a href="../../kontact/html/index.html">kontact</a></li><li><a href="../../korganizer/html/index.html">korganizer</a></li><li><a href="../../kpilot/html/index.html">kpilot</a></li><li> <a href="../../kpilot/kpilot/html/index.html">kpilot</a></li><li> <a href="../../kpilot/lib/html/index.html">lib</a></li><li><a href="../../libemailfunctions/html/index.html">libemailfunctions</a></li><li><a href="../../libkcal/html/index.html">libkcal</a></li><li><a href="../../libkdepim/html/index.html">libkdepim</a></li><li><a href="../../libkholidays/html/index.html">libkholidays</a></li><li><a href="../../libkmime/html/index.html">libkmime</a></li><li><a href="../../libkpgp/html/index.html">libkpgp</a></li><li><a href="../../libkpimidentities/html/index.html">libkpimidentities</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! 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