<?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>kdeui: kcommand.cpp Source File (kdeui)</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=".">kdeui</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 1.4.4 --> <div class="nav"> <a class="el" href="dir_000000.html">kdeui</a></div> <h1>kcommand.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* This file is part of the KDE project</span> <a name="l00002"></a>00002 <span class="comment"> Copyright (C) 2000 Werner Trobin <trobin@kde.org></span> <a name="l00003"></a>00003 <span class="comment"> Copyright (C) 2000 David Faure <faure@kde.org></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 as published by the Free Software Foundation; either</span> <a name="l00008"></a>00008 <span class="comment"> version 2 of the License, or (at your option) any later version.</span> <a name="l00009"></a>00009 <span class="comment"></span> <a name="l00010"></a>00010 <span class="comment"> This library is distributed in the hope that it will be useful,</span> <a name="l00011"></a>00011 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span> <a name="l00012"></a>00012 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span> <a name="l00013"></a>00013 <span class="comment"> Library General Public License for more details.</span> <a name="l00014"></a>00014 <span class="comment"></span> <a name="l00015"></a>00015 <span class="comment"> You should have received a copy of the GNU Library General Public License</span> <a name="l00016"></a>00016 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span> <a name="l00017"></a>00017 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span> <a name="l00018"></a>00018 <span class="comment"> 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 "kcommand.h"</span> <a name="l00022"></a>00022 <span class="preprocessor">#include <kaction.h></span> <a name="l00023"></a>00023 <span class="preprocessor">#include <kstdaccel.h></span> <a name="l00024"></a>00024 <span class="preprocessor">#include <kstdaction.h></span> <a name="l00025"></a>00025 <span class="preprocessor">#include <kdebug.h></span> <a name="l00026"></a>00026 <span class="preprocessor">#include <<a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/klocale_8h.html">klocale.h</a>></span> <a name="l00027"></a>00027 <span class="preprocessor">#include <kpopupmenu.h></span> <a name="l00028"></a>00028 <a name="l00029"></a><a class="code" href="classKCommand.html#a0">00029</a> <a class="code" href="classKCommand.html#a0">KCommand::~KCommand</a>() <a name="l00030"></a>00030 { <a name="l00031"></a>00031 } <a name="l00032"></a>00032 <a name="l00033"></a><a class="code" href="classKMacroCommand.html#a0">00033</a> <a class="code" href="classKMacroCommand.html#a0">KMacroCommand::KMacroCommand</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> & name ) : <a class="code" href="classKNamedCommand.html">KNamedCommand</a>(name) <a name="l00034"></a>00034 { <a name="l00035"></a>00035 <a class="code" href="classKMacroCommand.html#p0">m_commands</a>.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#setAutoDelete">setAutoDelete</a>(<span class="keyword">true</span>); <a name="l00036"></a>00036 } <a name="l00037"></a>00037 <a name="l00038"></a><a class="code" href="classKMacroCommand.html#a2">00038</a> <span class="keywordtype">void</span> <a class="code" href="classKMacroCommand.html#a2">KMacroCommand::addCommand</a>(<a class="code" href="classKCommand.html">KCommand</a> *command) <a name="l00039"></a>00039 { <a name="l00040"></a>00040 <a class="code" href="classKMacroCommand.html#p0">m_commands</a>.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#append">append</a>(command); <a name="l00041"></a>00041 } <a name="l00042"></a>00042 <a name="l00043"></a><a class="code" href="classKMacroCommand.html#a3">00043</a> <span class="keywordtype">void</span> <a class="code" href="classKMacroCommand.html#a3">KMacroCommand::execute</a>() <a name="l00044"></a>00044 { <a name="l00045"></a>00045 <a class="codeRef" doxygen="qt.tag:" href="qptrlistiterator.html">QPtrListIterator<KCommand></a> it(<a class="code" href="classKMacroCommand.html#p0">m_commands</a>); <a name="l00046"></a>00046 <span class="keywordflow">for</span> ( ; it.<a class="codeRef" doxygen="qt.tag:" href="qptrlistiterator.html#current">current</a>() ; ++it ) <a name="l00047"></a>00047 it.<a class="codeRef" doxygen="qt.tag:" href="qptrlistiterator.html#current">current</a>()->execute(); <a name="l00048"></a>00048 } <a name="l00049"></a>00049 <a name="l00050"></a><a class="code" href="classKMacroCommand.html#a4">00050</a> <span class="keywordtype">void</span> <a class="code" href="classKMacroCommand.html#a4">KMacroCommand::unexecute</a>() <a name="l00051"></a>00051 { <a name="l00052"></a>00052 <a class="codeRef" doxygen="qt.tag:" href="qptrlistiterator.html">QPtrListIterator<KCommand></a> it(<a class="code" href="classKMacroCommand.html#p0">m_commands</a>); <a name="l00053"></a>00053 it.<a class="codeRef" doxygen="qt.tag:" href="qptrlistiterator.html#toLast">toLast</a>(); <a name="l00054"></a>00054 <span class="keywordflow">for</span> ( ; it.<a class="codeRef" doxygen="qt.tag:" href="qptrlistiterator.html#current">current</a>() ; --it ) <a name="l00055"></a>00055 it.<a class="codeRef" doxygen="qt.tag:" href="qptrlistiterator.html#current">current</a>()->unexecute(); <a name="l00056"></a>00056 } <a name="l00057"></a>00057 <a name="l00058"></a>00058 <a name="l00059"></a>00059 <span class="keyword">class </span>KCommandHistory::KCommandHistoryPrivate { <a name="l00060"></a>00060 <span class="keyword">public</span>: <a name="l00061"></a>00061 KCommandHistoryPrivate() { <a name="l00062"></a>00062 m_savedAt=-1; <a name="l00063"></a>00063 m_present=0; <a name="l00064"></a>00064 } <a name="l00065"></a>00065 ~KCommandHistoryPrivate() {} <a name="l00066"></a>00066 <span class="keywordtype">int</span> m_savedAt; <a name="l00067"></a>00067 <a class="code" href="classKCommand.html">KCommand</a> *m_present; <a name="l00068"></a>00068 }; <a name="l00069"></a>00069 <a name="l00071"></a>00071 <a name="l00072"></a><a class="code" href="classKCommandHistory.html#a0">00072</a> <a class="code" href="classKCommandHistory.html#a0">KCommandHistory::KCommandHistory</a>() : <a name="l00073"></a>00073 m_undo(0), m_redo(0), m_undoLimit(50), m_redoLimit(30), m_first(false) <a name="l00074"></a>00074 { <a name="l00075"></a>00075 d=<span class="keyword">new</span> KCommandHistoryPrivate(); <a name="l00076"></a>00076 m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#setAutoDelete">setAutoDelete</a>(<span class="keyword">true</span>); <a name="l00077"></a>00077 <a class="code" href="classKCommandHistory.html#a3">clear</a>(); <a name="l00078"></a>00078 } <a name="l00079"></a>00079 <a name="l00080"></a><a class="code" href="classKCommandHistory.html#a1">00080</a> <a class="code" href="classKCommandHistory.html#a0">KCommandHistory::KCommandHistory</a>(<a class="code" href="classKActionCollection.html">KActionCollection</a> * actionCollection, <span class="keywordtype">bool</span> withMenus) : <a name="l00081"></a>00081 m_undoLimit(50), m_redoLimit(30), m_first(false) <a name="l00082"></a>00082 { <a name="l00083"></a>00083 d=<span class="keyword">new</span> KCommandHistoryPrivate(); <a name="l00084"></a>00084 <span class="keywordflow">if</span> (withMenus) <a name="l00085"></a>00085 { <a name="l00086"></a>00086 <a class="code" href="classKToolBarPopupAction.html">KToolBarPopupAction</a> * <a class="code" href="classKCommandHistory.html#i0">undo</a> = <span class="keyword">new</span> <a class="code" href="classKToolBarPopupAction.html">KToolBarPopupAction</a>( i18n(<span class="stringliteral">"&Undo"</span>), <span class="stringliteral">"undo"</span>, <a name="l00087"></a>00087 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/namespaceKStdAccel.html#a57">KStdAccel::shortcut</a>(KStdAccel::Undo), <span class="keyword">this</span>, SLOT( <a class="code" href="classKCommandHistory.html#i0">undo</a>() ), <a name="l00088"></a>00088 actionCollection, <a class="code" href="namespaceKStdAction.html#a131">KStdAction::stdName</a>( KStdAction::Undo ) ); <a name="l00089"></a>00089 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#connect">connect</a>( undo-><a class="code" href="classKToolBarPopupAction.html#a5">popupMenu</a>(), SIGNAL( aboutToShow() ), <span class="keyword">this</span>, SLOT( <a class="code" href="classKCommandHistory.html#j0">slotUndoAboutToShow</a>() ) ); <a name="l00090"></a>00090 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#connect">connect</a>( undo-><a class="code" href="classKToolBarPopupAction.html#a5">popupMenu</a>(), SIGNAL( activated( <span class="keywordtype">int</span> ) ), <span class="keyword">this</span>, SLOT( <a class="code" href="classKCommandHistory.html#j1">slotUndoActivated</a>( <span class="keywordtype">int</span> ) ) ); <a name="l00091"></a>00091 m_undo = undo; <a name="l00092"></a>00092 m_undoPopup = undo-><a class="code" href="classKToolBarPopupAction.html#a5">popupMenu</a>(); <a name="l00093"></a>00093 <a name="l00094"></a>00094 <a class="code" href="classKToolBarPopupAction.html">KToolBarPopupAction</a> * <a class="code" href="classKCommandHistory.html#i1">redo</a> = <span class="keyword">new</span> <a class="code" href="classKToolBarPopupAction.html">KToolBarPopupAction</a>( i18n(<span class="stringliteral">"&Redo"</span>), <span class="stringliteral">"redo"</span>, <a name="l00095"></a>00095 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/namespaceKStdAccel.html#a57">KStdAccel::shortcut</a>(KStdAccel::Redo), <span class="keyword">this</span>, SLOT( <a class="code" href="classKCommandHistory.html#i1">redo</a>() ), <a name="l00096"></a>00096 actionCollection, <a class="code" href="namespaceKStdAction.html#a131">KStdAction::stdName</a>( KStdAction::Redo ) ); <a name="l00097"></a>00097 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#connect">connect</a>( redo-><a class="code" href="classKToolBarPopupAction.html#a5">popupMenu</a>(), SIGNAL( aboutToShow() ), <span class="keyword">this</span>, SLOT( <a class="code" href="classKCommandHistory.html#j2">slotRedoAboutToShow</a>() ) ); <a name="l00098"></a>00098 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#connect">connect</a>( redo-><a class="code" href="classKToolBarPopupAction.html#a5">popupMenu</a>(), SIGNAL( activated( <span class="keywordtype">int</span> ) ), <span class="keyword">this</span>, SLOT( <a class="code" href="classKCommandHistory.html#j3">slotRedoActivated</a>( <span class="keywordtype">int</span> ) ) ); <a name="l00099"></a>00099 m_redo = redo; <a name="l00100"></a>00100 m_redoPopup = redo-><a class="code" href="classKToolBarPopupAction.html#a5">popupMenu</a>(); <a name="l00101"></a>00101 } <a name="l00102"></a>00102 <span class="keywordflow">else</span> <a name="l00103"></a>00103 { <a name="l00104"></a>00104 m_undo = <a class="code" href="namespaceKStdAction.html#a77">KStdAction::undo</a>( <span class="keyword">this</span>, SLOT( <a class="code" href="classKCommandHistory.html#i0">undo</a>() ), actionCollection ); <a name="l00105"></a>00105 m_redo = <a class="code" href="namespaceKStdAction.html#a78">KStdAction::redo</a>( <span class="keyword">this</span>, SLOT( <a class="code" href="classKCommandHistory.html#i1">redo</a>() ), actionCollection ); <a name="l00106"></a>00106 m_undoPopup = 0L; <a name="l00107"></a>00107 m_redoPopup = 0L; <a name="l00108"></a>00108 } <a name="l00109"></a>00109 m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#setAutoDelete">setAutoDelete</a>(<span class="keyword">true</span>); <a name="l00110"></a>00110 <a class="code" href="classKCommandHistory.html#a3">clear</a>(); <a name="l00111"></a>00111 } <a name="l00112"></a>00112 <a name="l00113"></a><a class="code" href="classKCommandHistory.html#a2">00113</a> <a class="code" href="classKCommandHistory.html#a2">KCommandHistory::~KCommandHistory</a>() { <a name="l00114"></a>00114 <span class="keyword">delete</span> d; <a name="l00115"></a>00115 } <a name="l00116"></a>00116 <a name="l00117"></a><a class="code" href="classKCommandHistory.html#a3">00117</a> <span class="keywordtype">void</span> <a class="code" href="classKCommandHistory.html#a3">KCommandHistory::clear</a>() { <a name="l00118"></a>00118 <span class="keywordflow">if</span> (m_undo) { <a name="l00119"></a>00119 m_undo-><a class="code" href="classKAction.html#i7">setEnabled</a>(<span class="keyword">false</span>); <a name="l00120"></a>00120 m_undo-><a class="code" href="classKAction.html#i0">setText</a>(i18n(<span class="stringliteral">"&Undo"</span>)); <a name="l00121"></a>00121 } <a name="l00122"></a>00122 <span class="keywordflow">if</span> (m_redo) { <a name="l00123"></a>00123 m_redo-><a class="code" href="classKAction.html#i7">setEnabled</a>(<span class="keyword">false</span>); <a name="l00124"></a>00124 m_redo-><a class="code" href="classKAction.html#i0">setText</a>(i18n(<span class="stringliteral">"&Redo"</span>)); <a name="l00125"></a>00125 } <a name="l00126"></a>00126 d->m_present = 0L; <a name="l00127"></a>00127 d->m_savedAt=-42; <a name="l00128"></a>00128 } <a name="l00129"></a>00129 <a name="l00130"></a><a class="code" href="classKCommandHistory.html#a4">00130</a> <span class="keywordtype">void</span> <a class="code" href="classKCommandHistory.html#a4">KCommandHistory::addCommand</a>(<a class="code" href="classKCommand.html">KCommand</a> *command, <span class="keywordtype">bool</span> execute) { <a name="l00131"></a>00131 <a name="l00132"></a>00132 <span class="keywordflow">if</span>(!command) <a name="l00133"></a>00133 <span class="keywordflow">return</span>; <a name="l00134"></a>00134 <a name="l00135"></a>00135 <span class="keywordtype">int</span> index; <a name="l00136"></a>00136 <span class="keywordflow">if</span>(d->m_present && (index=m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#findRef">findRef</a>(d->m_present))!=-1) { <a name="l00137"></a>00137 <span class="keywordflow">if</span> (m_first) <a name="l00138"></a>00138 --index; <a name="l00139"></a>00139 m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#insert">insert</a>(index+1, command); <a name="l00140"></a>00140 <span class="comment">// truncate history</span> <a name="l00141"></a>00141 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count=m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#count">count</a>(); <a name="l00142"></a>00142 <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=index+2; i<count; ++i) <a name="l00143"></a>00143 m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#removeLast">removeLast</a>(); <a name="l00144"></a>00144 <span class="comment">// check whether we still can reach savedAt</span> <a name="l00145"></a>00145 <span class="keywordflow">if</span>(index<d->m_savedAt) <a name="l00146"></a>00146 d->m_savedAt=-1; <a name="l00147"></a>00147 d->m_present=command; <a name="l00148"></a>00148 m_first=<span class="keyword">false</span>; <a name="l00149"></a>00149 <span class="keywordflow">if</span> (m_undo) { <a name="l00150"></a>00150 m_undo-><a class="code" href="classKAction.html#i7">setEnabled</a>(<span class="keyword">true</span>); <a name="l00151"></a>00151 m_undo-><a class="code" href="classKAction.html#i0">setText</a>(i18n(<span class="stringliteral">"&Undo: %1"</span>).arg(d->m_present->name())); <a name="l00152"></a>00152 } <a name="l00153"></a>00153 <span class="keywordflow">if</span>((m_redo) && m_redo-><a class="code" href="classKAction.html#a33">isEnabled</a>()) { <a name="l00154"></a>00154 m_redo-><a class="code" href="classKAction.html#i7">setEnabled</a>(<span class="keyword">false</span>); <a name="l00155"></a>00155 m_redo-><a class="code" href="classKAction.html#i0">setText</a>(i18n(<span class="stringliteral">"&Redo"</span>)); <a name="l00156"></a>00156 } <a name="l00157"></a>00157 clipCommands(); <a name="l00158"></a>00158 } <a name="l00159"></a>00159 <span class="keywordflow">else</span> { <span class="comment">// either this is the first time we add a Command or something has gone wrong</span> <a name="l00160"></a>00160 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga6">kdDebug</a>(230) << <span class="stringliteral">"Initializing the Command History"</span> << <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga3">endl</a>; <a name="l00161"></a>00161 m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#clear">clear</a>(); <a name="l00162"></a>00162 m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#append">append</a>(command); <a name="l00163"></a>00163 d->m_present=command; <a name="l00164"></a>00164 <span class="keywordflow">if</span> (m_undo) { <a name="l00165"></a>00165 m_undo-><a class="code" href="classKAction.html#i7">setEnabled</a>(<span class="keyword">true</span>); <a name="l00166"></a>00166 m_undo-><a class="code" href="classKAction.html#i0">setText</a>(i18n(<span class="stringliteral">"&Undo: %1"</span>).arg(d->m_present->name())); <a name="l00167"></a>00167 } <a name="l00168"></a>00168 <span class="keywordflow">if</span> (m_redo) { <a name="l00169"></a>00169 m_redo-><a class="code" href="classKAction.html#i7">setEnabled</a>(<span class="keyword">false</span>); <a name="l00170"></a>00170 m_redo-><a class="code" href="classKAction.html#i0">setText</a>(i18n(<span class="stringliteral">"&Redo"</span>)); <a name="l00171"></a>00171 } <a name="l00172"></a>00172 m_first=<span class="keyword">false</span>; <span class="comment">// Michael B: yes, that *is* correct :-)</span> <a name="l00173"></a>00173 } <a name="l00174"></a>00174 <span class="keywordflow">if</span> ( execute ) <a name="l00175"></a>00175 { <a name="l00176"></a>00176 command-><a class="code" href="classKCommand.html#a1">execute</a>(); <a name="l00177"></a>00177 emit <a class="code" href="classKCommandHistory.html#l0">commandExecuted</a>(); <a name="l00178"></a>00178 emit <a class="code" href="classKCommandHistory.html#l0">commandExecuted</a>(command); <a name="l00179"></a>00179 } <a name="l00180"></a>00180 } <a name="l00181"></a>00181 <a name="l00182"></a><a class="code" href="classKCommandHistory.html#i0">00182</a> <span class="keywordtype">void</span> <a class="code" href="classKCommandHistory.html#i0">KCommandHistory::undo</a>() { <a name="l00183"></a>00183 <a name="l00184"></a>00184 <span class="keywordflow">if</span> (m_first || !d->m_present) <a name="l00185"></a>00185 <span class="keywordflow">return</span>; <a name="l00186"></a>00186 <a name="l00187"></a>00187 d->m_present->unexecute(); <a name="l00188"></a>00188 emit <a class="code" href="classKCommandHistory.html#l0">commandExecuted</a>(); <a name="l00189"></a>00189 emit <a class="code" href="classKCommandHistory.html#l0">commandExecuted</a>(d->m_present); <a name="l00190"></a>00190 <span class="keywordflow">if</span> (m_redo) { <a name="l00191"></a>00191 m_redo-><a class="code" href="classKAction.html#i7">setEnabled</a>(<span class="keyword">true</span>); <a name="l00192"></a>00192 m_redo-><a class="code" href="classKAction.html#i0">setText</a>(i18n(<span class="stringliteral">"&Redo: %1"</span>).arg(d->m_present->name())); <a name="l00193"></a>00193 } <a name="l00194"></a>00194 <span class="keywordtype">int</span> index; <a name="l00195"></a>00195 <span class="keywordflow">if</span>((index=m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#findRef">findRef</a>(d->m_present))!=-1 && m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#prev">prev</a>()) { <a name="l00196"></a>00196 d->m_present=m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#current">current</a>(); <a name="l00197"></a>00197 <span class="keywordflow">if</span> (m_undo) { <a name="l00198"></a>00198 m_undo-><a class="code" href="classKAction.html#i7">setEnabled</a>(<span class="keyword">true</span>); <a name="l00199"></a>00199 m_undo-><a class="code" href="classKAction.html#i0">setText</a>(i18n(<span class="stringliteral">"&Undo: %1"</span>).arg(d->m_present->name())); <a name="l00200"></a>00200 } <a name="l00201"></a>00201 --index; <a name="l00202"></a>00202 <span class="keywordflow">if</span>(index==d->m_savedAt) <a name="l00203"></a>00203 emit <a class="code" href="classKCommandHistory.html#l2">documentRestored</a>(); <a name="l00204"></a>00204 } <a name="l00205"></a>00205 <span class="keywordflow">else</span> { <a name="l00206"></a>00206 <span class="keywordflow">if</span> (m_undo) { <a name="l00207"></a>00207 m_undo-><a class="code" href="classKAction.html#i7">setEnabled</a>(<span class="keyword">false</span>); <a name="l00208"></a>00208 m_undo-><a class="code" href="classKAction.html#i0">setText</a>(i18n(<span class="stringliteral">"&Undo"</span>)); <a name="l00209"></a>00209 } <a name="l00210"></a>00210 <span class="keywordflow">if</span>(d->m_savedAt==-42) <a name="l00211"></a>00211 emit <a class="code" href="classKCommandHistory.html#l2">documentRestored</a>(); <a name="l00212"></a>00212 m_first=<span class="keyword">true</span>; <a name="l00213"></a>00213 } <a name="l00214"></a>00214 clipCommands(); <span class="comment">// only needed here and in addCommand, NOT in redo</span> <a name="l00215"></a>00215 } <a name="l00216"></a>00216 <a name="l00217"></a><a class="code" href="classKCommandHistory.html#i1">00217</a> <span class="keywordtype">void</span> <a class="code" href="classKCommandHistory.html#i1">KCommandHistory::redo</a>() { <a name="l00218"></a>00218 <a name="l00219"></a>00219 <span class="keywordtype">int</span> index; <a name="l00220"></a>00220 <span class="keywordflow">if</span>(m_first) { <a name="l00221"></a>00221 d->m_present->execute(); <a name="l00222"></a>00222 emit <a class="code" href="classKCommandHistory.html#l0">commandExecuted</a>(); <a name="l00223"></a>00223 emit <a class="code" href="classKCommandHistory.html#l0">commandExecuted</a>(d->m_present); <a name="l00224"></a>00224 m_first=<span class="keyword">false</span>; <a name="l00225"></a>00225 m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#first">first</a>(); <a name="l00226"></a>00226 <span class="keywordflow">if</span>(!d->m_savedAt) <a name="l00227"></a>00227 emit <a class="code" href="classKCommandHistory.html#l2">documentRestored</a>(); <a name="l00228"></a>00228 } <a name="l00229"></a>00229 <span class="keywordflow">else</span> <span class="keywordflow">if</span>((index=m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#findRef">findRef</a>(d->m_present))!=-1 && m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#next">next</a>()) { <a name="l00230"></a>00230 d->m_present=m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#current">current</a>(); <a name="l00231"></a>00231 d->m_present->execute(); <a name="l00232"></a>00232 emit <a class="code" href="classKCommandHistory.html#l0">commandExecuted</a>(); <a name="l00233"></a>00233 emit <a class="code" href="classKCommandHistory.html#l0">commandExecuted</a>(d->m_present); <a name="l00234"></a>00234 ++index; <a name="l00235"></a>00235 <span class="keywordflow">if</span>(index==d->m_savedAt) <a name="l00236"></a>00236 emit <a class="code" href="classKCommandHistory.html#l2">documentRestored</a>(); <a name="l00237"></a>00237 } <a name="l00238"></a>00238 <a name="l00239"></a>00239 <span class="keywordflow">if</span> (m_undo) { <a name="l00240"></a>00240 m_undo-><a class="code" href="classKAction.html#i7">setEnabled</a>(<span class="keyword">true</span>); <a name="l00241"></a>00241 m_undo-><a class="code" href="classKAction.html#i0">setText</a>(i18n(<span class="stringliteral">"&Undo: %1"</span>).arg(d->m_present->name())); <a name="l00242"></a>00242 } <a name="l00243"></a>00243 <a name="l00244"></a>00244 <span class="keywordflow">if</span>(m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#next">next</a>()) { <a name="l00245"></a>00245 <span class="keywordflow">if</span> (m_redo) { <a name="l00246"></a>00246 m_redo-><a class="code" href="classKAction.html#i7">setEnabled</a>(<span class="keyword">true</span>); <a name="l00247"></a>00247 m_redo-><a class="code" href="classKAction.html#i0">setText</a>(i18n(<span class="stringliteral">"&Redo: %1"</span>).arg(m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#current">current</a>()->name())); <a name="l00248"></a>00248 } <a name="l00249"></a>00249 } <a name="l00250"></a>00250 <span class="keywordflow">else</span> { <a name="l00251"></a>00251 <span class="keywordflow">if</span>((m_redo) && m_redo-><a class="code" href="classKAction.html#a33">isEnabled</a>()) { <a name="l00252"></a>00252 m_redo-><a class="code" href="classKAction.html#i7">setEnabled</a>(<span class="keyword">false</span>); <a name="l00253"></a>00253 m_redo-><a class="code" href="classKAction.html#i0">setText</a>(i18n(<span class="stringliteral">"&Redo"</span>)); <a name="l00254"></a>00254 } <a name="l00255"></a>00255 } <a name="l00256"></a>00256 } <a name="l00257"></a>00257 <a name="l00258"></a><a class="code" href="classKCommandHistory.html#i2">00258</a> <span class="keywordtype">void</span> <a class="code" href="classKCommandHistory.html#i2">KCommandHistory::documentSaved</a>() { <a name="l00259"></a>00259 <span class="keywordflow">if</span>(d->m_present && !m_first) <a name="l00260"></a>00260 d->m_savedAt=m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#findRef">findRef</a>(d->m_present); <a name="l00261"></a>00261 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(!d->m_present && !m_first) <a name="l00262"></a>00262 d->m_savedAt=-42; <span class="comment">// this value signals that the document has</span> <a name="l00263"></a>00263 <span class="comment">// been saved with an empty history.</span> <a name="l00264"></a>00264 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(m_first) <a name="l00265"></a>00265 d->m_savedAt=-42; <a name="l00266"></a>00266 } <a name="l00267"></a>00267 <a name="l00268"></a><a class="code" href="classKCommandHistory.html#a6">00268</a> <span class="keywordtype">void</span> <a class="code" href="classKCommandHistory.html#a6">KCommandHistory::setUndoLimit</a>(<span class="keywordtype">int</span> limit) { <a name="l00269"></a>00269 <a name="l00270"></a>00270 <span class="keywordflow">if</span>(limit>0 && limit!=m_undoLimit) { <a name="l00271"></a>00271 m_undoLimit=limit; <a name="l00272"></a>00272 clipCommands(); <a name="l00273"></a>00273 } <a name="l00274"></a>00274 } <a name="l00275"></a>00275 <a name="l00276"></a><a class="code" href="classKCommandHistory.html#a8">00276</a> <span class="keywordtype">void</span> <a class="code" href="classKCommandHistory.html#a8">KCommandHistory::setRedoLimit</a>(<span class="keywordtype">int</span> limit) { <a name="l00277"></a>00277 <a name="l00278"></a>00278 <span class="keywordflow">if</span>(limit>0 && limit!=m_redoLimit) { <a name="l00279"></a>00279 m_redoLimit=limit; <a name="l00280"></a>00280 clipCommands(); <a name="l00281"></a>00281 } <a name="l00282"></a>00282 } <a name="l00283"></a>00283 <a name="l00284"></a>00284 <span class="keywordtype">void</span> KCommandHistory::clipCommands() { <a name="l00285"></a>00285 <a name="l00286"></a>00286 <span class="keywordtype">int</span> count=m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#count">count</a>(); <a name="l00287"></a>00287 <span class="keywordflow">if</span>(count<=m_undoLimit && count<=m_redoLimit) <a name="l00288"></a>00288 <span class="keywordflow">return</span>; <a name="l00289"></a>00289 <a name="l00290"></a>00290 <span class="keywordtype">int</span> index=m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#findRef">findRef</a>(d->m_present); <a name="l00291"></a>00291 <span class="keywordflow">if</span>(index>=m_undoLimit) { <a name="l00292"></a>00292 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i<=(index-m_undoLimit); ++i) { <a name="l00293"></a>00293 m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#removeFirst">removeFirst</a>(); <a name="l00294"></a>00294 --d->m_savedAt; <a name="l00295"></a>00295 <span class="keywordflow">if</span>(d->m_savedAt==-1) <a name="l00296"></a>00296 d->m_savedAt=-42; <a name="l00297"></a>00297 } <a name="l00298"></a>00298 index=m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#findRef">findRef</a>(d->m_present); <span class="comment">// calculate the new</span> <a name="l00299"></a>00299 count=m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#count">count</a>(); <span class="comment">// values (for the redo-branch :)</span> <a name="l00300"></a>00300 <span class="comment">// make it easier for us... d->m_savedAt==-1 -> invalid</span> <a name="l00301"></a>00301 <span class="keywordflow">if</span>(d->m_savedAt!=-42 && d->m_savedAt<-1) <a name="l00302"></a>00302 d->m_savedAt=-1; <a name="l00303"></a>00303 } <a name="l00304"></a>00304 <span class="comment">// adjust the index if it's the first command</span> <a name="l00305"></a>00305 <span class="keywordflow">if</span>(m_first) <a name="l00306"></a>00306 index=-1; <a name="l00307"></a>00307 <span class="keywordflow">if</span>((index+m_redoLimit+1)<count) { <a name="l00308"></a>00308 <span class="keywordflow">if</span>(d->m_savedAt>(index+m_redoLimit)) <a name="l00309"></a>00309 d->m_savedAt=-1; <a name="l00310"></a>00310 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i<(count-(index+m_redoLimit+1)); ++i) <a name="l00311"></a>00311 m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#removeLast">removeLast</a>(); <a name="l00312"></a>00312 } <a name="l00313"></a>00313 } <a name="l00314"></a>00314 <a name="l00315"></a><a class="code" href="classKCommandHistory.html#j0">00315</a> <span class="keywordtype">void</span> <a class="code" href="classKCommandHistory.html#j0">KCommandHistory::slotUndoAboutToShow</a>() <a name="l00316"></a>00316 { <a name="l00317"></a>00317 m_undoPopup-><a class="codeRef" doxygen="qt.tag:" href="qpopupmenu.html#clear">clear</a>(); <a name="l00318"></a>00318 <span class="keywordtype">int</span> i = 0; <a name="l00319"></a>00319 <span class="keywordflow">if</span> (m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#findRef">findRef</a>(d->m_present)!=-1) <a name="l00320"></a>00320 <span class="keywordflow">while</span> ( m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#current">current</a>() && i<10 ) <span class="comment">// TODO make number of items configurable ?</span> <a name="l00321"></a>00321 { <a name="l00322"></a>00322 m_undoPopup-><a class="codeRef" doxygen="qt.tag:" href="qpopupmenu.html#insertItem">insertItem</a>( i18n(<span class="stringliteral">"Undo: %1"</span>).arg(m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#current">current</a>()->name()), i++ ); <a name="l00323"></a>00323 m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#prev">prev</a>(); <a name="l00324"></a>00324 } <a name="l00325"></a>00325 } <a name="l00326"></a>00326 <a name="l00327"></a><a class="code" href="classKCommandHistory.html#j1">00327</a> <span class="keywordtype">void</span> <a class="code" href="classKCommandHistory.html#j1">KCommandHistory::slotUndoActivated</a>( <span class="keywordtype">int</span> pos ) <a name="l00328"></a>00328 { <a name="l00329"></a>00329 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga6">kdDebug</a>(230) << <span class="stringliteral">"KCommandHistory::slotUndoActivated "</span> << pos << <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga3">endl</a>; <a name="l00330"></a>00330 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0 ; i < pos+1; ++i ) <a name="l00331"></a>00331 <a class="code" href="classKCommandHistory.html#i0">undo</a>(); <a name="l00332"></a>00332 } <a name="l00333"></a>00333 <a name="l00334"></a><a class="code" href="classKCommandHistory.html#j2">00334</a> <span class="keywordtype">void</span> <a class="code" href="classKCommandHistory.html#j2">KCommandHistory::slotRedoAboutToShow</a>() <a name="l00335"></a>00335 { <a name="l00336"></a>00336 m_redoPopup-><a class="codeRef" doxygen="qt.tag:" href="qpopupmenu.html#clear">clear</a>(); <a name="l00337"></a>00337 <span class="keywordtype">int</span> i = 0; <a name="l00338"></a>00338 <span class="keywordflow">if</span> (m_first) <a name="l00339"></a>00339 { <a name="l00340"></a>00340 d->m_present = m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#first">first</a>(); <a name="l00341"></a>00341 m_redoPopup-><a class="codeRef" doxygen="qt.tag:" href="qpopupmenu.html#insertItem">insertItem</a>( i18n(<span class="stringliteral">"Redo: %1"</span>).arg(d->m_present->name()), i++ ); <a name="l00342"></a>00342 } <a name="l00343"></a>00343 <span class="keywordflow">if</span> (m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#findRef">findRef</a>(d->m_present)!=-1 && m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#next">next</a>()) <a name="l00344"></a>00344 <span class="keywordflow">while</span> ( m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#current">current</a>() && i<10 ) <span class="comment">// TODO make number of items configurable ?</span> <a name="l00345"></a>00345 { <a name="l00346"></a>00346 m_redoPopup-><a class="codeRef" doxygen="qt.tag:" href="qpopupmenu.html#insertItem">insertItem</a>( i18n(<span class="stringliteral">"Redo: %1"</span>).arg(m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#current">current</a>()->name()), i++ ); <a name="l00347"></a>00347 m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#next">next</a>(); <a name="l00348"></a>00348 } <a name="l00349"></a>00349 } <a name="l00350"></a>00350 <a name="l00351"></a><a class="code" href="classKCommandHistory.html#j3">00351</a> <span class="keywordtype">void</span> <a class="code" href="classKCommandHistory.html#j3">KCommandHistory::slotRedoActivated</a>( <span class="keywordtype">int</span> pos ) <a name="l00352"></a>00352 { <a name="l00353"></a>00353 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga6">kdDebug</a>(230) << <span class="stringliteral">"KCommandHistory::slotRedoActivated "</span> << pos << <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga3">endl</a>; <a name="l00354"></a>00354 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0 ; i < pos+1; ++i ) <a name="l00355"></a>00355 <a class="code" href="classKCommandHistory.html#i1">redo</a>(); <a name="l00356"></a>00356 } <a name="l00357"></a>00357 <a name="l00358"></a><a class="code" href="classKCommandHistory.html#a9">00358</a> <span class="keywordtype">void</span> <a class="code" href="classKCommandHistory.html#a9">KCommandHistory::updateActions</a>() <a name="l00359"></a>00359 { <a name="l00360"></a>00360 <span class="keywordflow">if</span> ( m_undo && m_redo ) <a name="l00361"></a>00361 { <a name="l00362"></a>00362 m_undo-><a class="code" href="classKAction.html#i7">setEnabled</a>( !m_first && ( d->m_present ) ); <a name="l00363"></a>00363 m_redo-><a class="code" href="classKAction.html#i7">setEnabled</a>(m_first || (m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#findRef">findRef</a>(d->m_present)!=-1 && m_commands.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#next">next</a>())); <a name="l00364"></a>00364 } <a name="l00365"></a>00365 } <a name="l00366"></a>00366 <a name="l00367"></a><a class="code" href="classKCommand.html#b1">00367</a> <span class="keywordtype">void</span> <a class="code" href="classKCommand.html#b1">KCommand::virtual_hook</a>( <span class="keywordtype">int</span>, <span class="keywordtype">void</span>* ) <a name="l00368"></a>00368 { <span class="comment">/*BASE::virtual_hook( id, data );*/</span> } <a name="l00369"></a>00369 <a name="l00370"></a><a class="code" href="classKNamedCommand.html#b1">00370</a> <span class="keywordtype">void</span> <a class="code" href="classKNamedCommand.html#b1">KNamedCommand::virtual_hook</a>( <span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">void</span>* data ) <a name="l00371"></a>00371 { <a class="code" href="classKCommand.html#b1">KCommand::virtual_hook</a>( <span class="keywordtype">id</span>, data ); } <a name="l00372"></a>00372 <a name="l00373"></a><a class="code" href="classKMacroCommand.html#b0">00373</a> <span class="keywordtype">void</span> <a class="code" href="classKMacroCommand.html#b0">KMacroCommand::virtual_hook</a>( <span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">void</span>* data ) <a name="l00374"></a>00374 { <a class="code" href="classKNamedCommand.html#b1">KNamedCommand::virtual_hook</a>( <span class="keywordtype">id</span>, data ); } <a name="l00375"></a>00375 <a name="l00376"></a><a class="code" href="classKCommandHistory.html#b0">00376</a> <span class="keywordtype">void</span> <a class="code" href="classKCommandHistory.html#b0">KCommandHistory::virtual_hook</a>( <span class="keywordtype">int</span>, <span class="keywordtype">void</span>* ) <a name="l00377"></a>00377 { <span class="comment">/*BASE::virtual_hook( id, data );*/</span> } <a name="l00378"></a>00378 <a name="l00379"></a>00379 <span class="preprocessor">#include "kcommand.moc"</span> </pre></div> </div></div> </td> </tr> <tr> <td valign="top" id="leftmenu" width="25%"> <a name="navigation"></a> <div class="menu_box"><h2>kdeui</h2> <div class="nav_list"> <ul><li><a href="index.html">Main Page</a></li><li><a href="namespaces.html">Namespace List</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="dirs.html">Directories</a></li><li><a href="namespacemembers.html">Namespace Members</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 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