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<div class="title">kmlprmanager.cpp</div> </div>
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<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 "kmlprmanager.h"</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include "printcapreader.h"</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "printcapentry.h"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "lpchelper.h"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "matichandler.h"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "apshandler.h"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "lprngtoolhandler.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "lprsettings.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "driver.h"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "editentrydialog.h"</span>
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="preprocessor">#include <qfileinfo.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <qptrlist.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <klocale.h></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <kstandarddirs.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include <kprinter.h></span>
<a name="l00037"></a>00037 <span class="preprocessor">#include <kprocess.h></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include <kaction.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <kmessagebox.h></span>
<a name="l00040"></a>00040 <span class="preprocessor">#include <klibloader.h></span>
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00043"></a>00043 <span class="preprocessor">#include <unistd.h></span>
<a name="l00044"></a>00044
<a name="l00045"></a>00045 KMLprManager::KMLprManager(<a class="codeRef" href="qobject.html">QObject</a> *parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <a class="codeRef" href="qstringlist.html">QStringList</a> & <span class="comment">/*args*/</span>)
<a name="l00046"></a>00046 : KMManager(parent,name)
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 m_handlers.setAutoDelete(<span class="keyword">true</span>);
<a name="l00049"></a>00049 m_handlerlist.setAutoDelete(<span class="keyword">false</span>);
<a name="l00050"></a>00050 m_entries.setAutoDelete(<span class="keyword">true</span>);
<a name="l00051"></a>00051
<a name="l00052"></a>00052 m_lpchelper = <span class="keyword">new</span> LpcHelper(<span class="keyword">this</span>);
<a name="l00053"></a>00053 m_currentprinter = 0;
<a name="l00054"></a>00054
<a name="l00055"></a>00055 setHasManagement(getuid() == 0);
<a name="l00056"></a>00056 setPrinterOperationMask(
<a name="l00057"></a>00057 KMManager::PrinterEnabling |
<a name="l00058"></a>00058 KMManager::PrinterConfigure |
<a name="l00059"></a>00059 KMManager::PrinterTesting |
<a name="l00060"></a>00060 KMManager::PrinterCreation |
<a name="l00061"></a>00061 KMManager::PrinterRemoval |
<a name="l00062"></a>00062 KMManager::PrinterTesting
<a name="l00063"></a>00063 );
<a name="l00064"></a>00064
<a name="l00065"></a>00065 initHandlers();
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keywordtype">void</span> KMLprManager::listPrinters()
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 <a class="codeRef" href="qfileinfo.html">QFileInfo</a> fi(LprSettings::self()->printcapFile());
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keywordflow">if</span> (m_lpchelper)
<a name="l00073"></a>00073 m_lpchelper->updateStates();
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="comment">// update only if needed</span>
<a name="l00076"></a>00076 <span class="keywordflow">if</span> (!m_updtime.isValid() || m_updtime < fi.lastModified())
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="comment">// cleanup previous entries</span>
<a name="l00079"></a>00079 m_entries.clear();
<a name="l00080"></a>00080 <span class="comment">// notify handlers</span>
<a name="l00081"></a>00081 <a class="codeRef" href="qptrlistiterator.html">QPtrListIterator<LprHandler></a> hit(m_handlerlist);
<a name="l00082"></a>00082 <span class="keywordflow">for</span> (; hit.current(); ++hit)
<a name="l00083"></a>00083 hit.current()->reset();
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="comment">// try to open the printcap file and parse it</span>
<a name="l00086"></a>00086 PrintcapReader reader;
<a name="l00087"></a>00087 <a class="codeRef" href="qfile.html">QFile</a> f(fi.absFilePath());
<a name="l00088"></a>00088 PrintcapEntry *entry;
<a name="l00089"></a>00089 <span class="keywordflow">if</span> (f.exists() && f.open(IO_ReadOnly))
<a name="l00090"></a>00090 {
<a name="l00091"></a>00091 reader.setPrintcapFile(&f);
<a name="l00092"></a>00092 <span class="keywordflow">while</span> ((entry = reader.nextEntry()) != NULL)
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094 <a class="codeRef" href="qptrlistiterator.html">QPtrListIterator<LprHandler></a> it(m_handlerlist);
<a name="l00095"></a>00095 <span class="keywordflow">for</span> (; it.current(); ++it)
<a name="l00096"></a>00096 <span class="keywordflow">if</span> (it.current()->validate(entry))
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 KMPrinter *prt = it.current()->createPrinter(entry);
<a name="l00099"></a>00099 checkPrinterState(prt);
<a name="l00100"></a>00100 prt->setOption(<span class="stringliteral">"kde-lpr-handler"</span>, it.current()->name());
<a name="l00101"></a>00101 addPrinter(prt);
<a name="l00102"></a>00102 <span class="keywordflow">break</span>;
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104 m_entries.insert(entry->name, entry);
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="comment">// save update time</span>
<a name="l00109"></a>00109 m_updtime = fi.lastModified();
<a name="l00110"></a>00110 }
<a name="l00111"></a>00111 <span class="keywordflow">else</span>
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 <a class="codeRef" href="qptrlistiterator.html">QPtrListIterator<KMPrinter></a> it(m_printers);
<a name="l00114"></a>00114 <span class="keywordflow">for</span> (; it.current(); ++it)
<a name="l00115"></a>00115 <span class="keywordflow">if</span> (!it.current()->isSpecial())
<a name="l00116"></a>00116 {
<a name="l00117"></a>00117 it.current()->setDiscarded(<span class="keyword">false</span>);
<a name="l00118"></a>00118 checkPrinterState(it.current());
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keywordtype">void</span> KMLprManager::insertHandler(LprHandler *handler)
<a name="l00124"></a>00124 {
<a name="l00125"></a>00125 m_handlers.insert(handler->name(), handler);
<a name="l00126"></a>00126 m_handlerlist.append(handler);
<a name="l00127"></a>00127 kdDebug() << <span class="stringliteral">"Handler: "</span> << handler->name() << endl;
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keywordtype">void</span> KMLprManager::initHandlers()
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 m_handlers.clear();
<a name="l00133"></a>00133 m_handlerlist.clear();
<a name="l00134"></a>00134
<a name="l00135"></a>00135 insertHandler(<span class="keyword">new</span> MaticHandler(<span class="keyword">this</span>));
<a name="l00136"></a>00136 insertHandler(<span class="keyword">new</span> ApsHandler(<span class="keyword">this</span>));
<a name="l00137"></a>00137 insertHandler(<span class="keyword">new</span> LPRngToolHandler(<span class="keyword">this</span>));
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="comment">// now load external handlers</span>
<a name="l00140"></a>00140 <a class="codeRef" href="qstringlist.html">QStringList</a> l = KGlobal::dirs()->findAllResources(<span class="stringliteral">"data"</span>, <span class="stringliteral">"kdeprint/lpr/*.la"</span>);
<a name="l00141"></a>00141 <span class="keywordflow">for</span> (QStringList::ConstIterator it=l.begin(); it!=l.end(); ++it)
<a name="l00142"></a>00142 {
<a name="l00143"></a>00143 KLibrary *library = KLibLoader::self()->library(<a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(*it));
<a name="l00144"></a>00144 <span class="keywordflow">if</span> (library)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 kdDebug() << <span class="stringliteral">"loading external handler from "</span> << *it << endl;
<a name="l00147"></a>00147 LprHandler*(*func)(KMManager*) = (LprHandler*(*)(KMManager*))(library->symbol(<span class="stringliteral">"create_handler"</span>));
<a name="l00148"></a>00148 <span class="keywordflow">if</span> (func)
<a name="l00149"></a>00149 insertHandler(func(<span class="keyword">this</span>));
<a name="l00150"></a>00150 <span class="keywordflow">else</span>
<a name="l00151"></a>00151 kdDebug() << <span class="stringliteral">"couldn't find the symbol 'create_handler'"</span> << endl;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="comment">// default handler</span>
<a name="l00156"></a>00156 insertHandler(<span class="keyword">new</span> LprHandler(<span class="stringliteral">"default"</span>, <span class="keyword">this</span>));
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158
<a name="l00159"></a>00159 LprHandler* KMLprManager::findHandler(KMPrinter *prt)
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 <a class="codeRef" href="qstring.html">QString</a> handlerstr(prt->option(<span class="stringliteral">"kde-lpr-handler"</span>));
<a name="l00162"></a>00162 LprHandler *handler(0);
<a name="l00163"></a>00163 <span class="keywordflow">if</span> (handlerstr.isEmpty() || (handler = m_handlers.find(handlerstr)) == NULL)
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165 <span class="keywordflow">return</span> NULL;
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167 <span class="keywordflow">return</span> handler;
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169
<a name="l00170"></a>00170 PrintcapEntry* KMLprManager::findEntry(KMPrinter *prt)
<a name="l00171"></a>00171 {
<a name="l00172"></a>00172 PrintcapEntry *entry = m_entries.find(prt->printerName());
<a name="l00173"></a>00173 <span class="keywordflow">if</span> (!entry)
<a name="l00174"></a>00174 {
<a name="l00175"></a>00175 <span class="keywordflow">return</span> NULL;
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177 <span class="keywordflow">return</span> entry;
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="keywordtype">bool</span> KMLprManager::completePrinter(KMPrinter *prt)
<a name="l00181"></a>00181 {
<a name="l00182"></a>00182 LprHandler *handler = findHandler(prt);
<a name="l00183"></a>00183 PrintcapEntry *entry = findEntry(prt);
<a name="l00184"></a>00184 <span class="keywordflow">if</span> (handler && entry)
<a name="l00185"></a>00185 <span class="keywordflow">return</span> handler->completePrinter(prt, entry, <span class="keyword">false</span>);
<a name="l00186"></a>00186 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="keywordtype">bool</span> KMLprManager::completePrinterShort(KMPrinter *prt)
<a name="l00190"></a>00190 {
<a name="l00191"></a>00191 LprHandler *handler = findHandler(prt);
<a name="l00192"></a>00192 PrintcapEntry *entry = findEntry(prt);
<a name="l00193"></a>00193 <span class="keywordflow">if</span> (!handler || !entry)
<a name="l00194"></a>00194 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00195"></a>00195
<a name="l00196"></a>00196 <span class="keywordflow">return</span> handler->completePrinter(prt, entry, <span class="keyword">true</span>);
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="keywordtype">void</span> KMLprManager::checkPrinterState(KMPrinter *prt)
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201 <span class="keywordflow">if</span> (m_lpchelper)
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 KMPrinter::PrinterState st = m_lpchelper->state(prt);
<a name="l00204"></a>00204 prt->setState(st);
<a name="l00205"></a>00205 prt->setAcceptJobs(!(st & KMPrinter::Rejecting));
<a name="l00206"></a>00206 }
<a name="l00207"></a>00207 <span class="keywordflow">else</span>
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209 prt->setState(KMPrinter::Idle);
<a name="l00210"></a>00210 prt->setAcceptJobs(<span class="keyword">true</span>);
<a name="l00211"></a>00211 }
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213
<a name="l00214"></a>00214 DrMain* KMLprManager::loadPrinterDriver(KMPrinter *prt, <span class="keywordtype">bool</span> config)
<a name="l00215"></a>00215 {
<a name="l00216"></a>00216 <span class="keywordflow">if</span> (!prt)
<a name="l00217"></a>00217 <span class="keywordflow">return</span> NULL;
<a name="l00218"></a>00218
<a name="l00219"></a>00219 LprHandler *handler = findHandler(prt);
<a name="l00220"></a>00220 PrintcapEntry *entry = findEntry(prt);
<a name="l00221"></a>00221 <span class="keywordflow">if</span> (handler && entry)
<a name="l00222"></a>00222 {
<a name="l00223"></a>00223 DrMain *driver = handler->loadDriver(prt, entry, config);
<a name="l00224"></a>00224 <span class="keywordflow">if</span> (driver)
<a name="l00225"></a>00225 driver->set(<span class="stringliteral">"handler"</span>, handler->name());
<a name="l00226"></a>00226 <span class="keywordflow">return</span> driver;
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228 <span class="keywordflow">return</span> NULL;
<a name="l00229"></a>00229 }
<a name="l00230"></a>00230
<a name="l00231"></a>00231 DrMain* KMLprManager::loadFileDriver(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& filename)
<a name="l00232"></a>00232 {
<a name="l00233"></a>00233 <span class="keywordtype">int</span> p = filename.<a class="codeRef" href="qstring.html#find">find</a>(<span class="charliteral">'/'</span>);
<a name="l00234"></a>00234 <a class="codeRef" href="qstring.html">QString</a> handler_str = (p != -1 ? filename.<a class="codeRef" href="qstring.html#left">left</a>(p) : <a class="codeRef" href="qstring.html#fromLatin1">QString::fromLatin1</a>(<span class="stringliteral">"default"</span>));
<a name="l00235"></a>00235 LprHandler *handler = m_handlers.<a class="codeRef" href="qstring.html#find">find</a>(handler_str);
<a name="l00236"></a>00236 <span class="keywordflow">if</span> (handler)
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 DrMain *driver = handler->loadDbDriver(filename);
<a name="l00239"></a>00239 <span class="keywordflow">if</span> (driver)
<a name="l00240"></a>00240 driver->set(<span class="stringliteral">"handler"</span>, handler->name());
<a name="l00241"></a>00241 <span class="keywordflow">return</span> driver;
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243 <span class="keywordflow">return</span> NULL;
<a name="l00244"></a>00244 }
<a name="l00245"></a>00245
<a name="l00246"></a>00246 <span class="keywordtype">bool</span> KMLprManager::enablePrinter(KMPrinter *prt, <span class="keywordtype">bool</span> state)
<a name="l00247"></a>00247 {
<a name="l00248"></a>00248 <a class="codeRef" href="qstring.html">QString</a> msg;
<a name="l00249"></a>00249 <span class="keywordflow">if</span> (!m_lpchelper->enable(prt, state, msg))
<a name="l00250"></a>00250 {
<a name="l00251"></a>00251 setErrorMsg(msg);
<a name="l00252"></a>00252 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="keywordtype">bool</span> KMLprManager::startPrinter(KMPrinter *prt, <span class="keywordtype">bool</span> state)
<a name="l00258"></a>00258 {
<a name="l00259"></a>00259 <a class="codeRef" href="qstring.html">QString</a> msg;
<a name="l00260"></a>00260 <span class="keywordflow">if</span> (!m_lpchelper->start(prt, state, msg))
<a name="l00261"></a>00261 {
<a name="l00262"></a>00262 setErrorMsg(msg);
<a name="l00263"></a>00263 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00266"></a>00266 }
<a name="l00267"></a>00267
<a name="l00268"></a>00268 <span class="keywordtype">bool</span> KMLprManager::savePrinterDriver(KMPrinter *prt, DrMain *driver)
<a name="l00269"></a>00269 {
<a name="l00270"></a>00270 LprHandler *handler = findHandler(prt);
<a name="l00271"></a>00271 PrintcapEntry *entry = findEntry(prt);
<a name="l00272"></a>00272 <span class="keywordflow">if</span> (handler && entry)
<a name="l00273"></a>00273 {
<a name="l00274"></a>00274 <span class="keywordtype">bool</span> mustSave(<span class="keyword">false</span>);
<a name="l00275"></a>00275 <span class="keywordflow">if</span> (handler->savePrinterDriver(prt, entry, driver, &mustSave))
<a name="l00276"></a>00276 {
<a name="l00277"></a>00277 <span class="keywordflow">if</span> (mustSave)
<a name="l00278"></a>00278 <span class="keywordflow">return</span> savePrintcapFile();
<a name="l00279"></a>00279 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00280"></a>00280 }
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284
<a name="l00285"></a>00285 <span class="keywordtype">bool</span> KMLprManager::savePrintcapFile()
<a name="l00286"></a>00286 {
<a name="l00287"></a>00287 <span class="keywordflow">if</span> (!LprSettings::self()->isLocalPrintcap())
<a name="l00288"></a>00288 {
<a name="l00289"></a>00289 setErrorMsg(i18n(<span class="stringliteral">"The printcap file is a remote file (NIS). It cannot be written."</span>));
<a name="l00290"></a>00290 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00291"></a>00291 }
<a name="l00292"></a>00292 <a class="codeRef" href="qfile.html">QFile</a> f(LprSettings::self()->printcapFile());
<a name="l00293"></a>00293 <span class="keywordflow">if</span> (f.open(IO_WriteOnly))
<a name="l00294"></a>00294 {
<a name="l00295"></a>00295 <a class="codeRef" href="qtextstream.html">QTextStream</a> t(&f);
<a name="l00296"></a>00296 <a class="codeRef" href="qdictiterator.html">QDictIterator<PrintcapEntry></a> it(m_entries);
<a name="l00297"></a>00297 <span class="keywordflow">for</span> (; it.current(); ++it)
<a name="l00298"></a>00298 {
<a name="l00299"></a>00299 it.current()->writeEntry(t);
<a name="l00300"></a>00300 }
<a name="l00301"></a>00301 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303 <span class="keywordflow">else</span>
<a name="l00304"></a>00304 {
<a name="l00305"></a>00305 setErrorMsg(i18n(<span class="stringliteral">"Unable to save printcap file. Check that "</span>
<a name="l00306"></a>00306 <span class="stringliteral">"you have write permissions for that file."</span>));
<a name="l00307"></a>00307 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310
<a name="l00311"></a>00311 <span class="keywordtype">bool</span> KMLprManager::createPrinter(KMPrinter *prt)
<a name="l00312"></a>00312 {
<a name="l00313"></a>00313 <span class="comment">// remove existing printcap entry</span>
<a name="l00314"></a>00314 PrintcapEntry *oldEntry = m_entries.find(prt->printerName());
<a name="l00315"></a>00315
<a name="l00316"></a>00316 <span class="comment">// look for the handler and re-create entry</span>
<a name="l00317"></a>00317 LprHandler *handler(0);
<a name="l00318"></a>00318 <span class="comment">// To look for the handler, either we base ourselves</span>
<a name="l00319"></a>00319 <span class="comment">// on the driver (1: new printer, 2: modifying driver)</span>
<a name="l00320"></a>00320 <span class="comment">// or we use the handler of the existing printer</span>
<a name="l00321"></a>00321 <span class="comment">// (modifying something else, handler stays the same)</span>
<a name="l00322"></a>00322 <span class="keywordflow">if</span> (prt->driver())
<a name="l00323"></a>00323 handler = m_handlers.find(prt->driver()->get(<span class="stringliteral">"handler"</span>));
<a name="l00324"></a>00324 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (oldEntry)
<a name="l00325"></a>00325 handler = findHandler(prt);
<a name="l00326"></a>00326 <span class="keywordflow">else</span>
<a name="l00327"></a>00327 handler = m_handlers.find(<span class="stringliteral">"default"</span>);
<a name="l00328"></a>00328 <span class="keywordflow">if</span> (!handler)
<a name="l00329"></a>00329 {
<a name="l00330"></a>00330 setErrorMsg(i18n(<span class="stringliteral">"Internal error: no handler defined."</span>));
<a name="l00331"></a>00331 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00332"></a>00332 }
<a name="l00333"></a>00333 prt->setOption(<span class="stringliteral">"kde-lpr-handler"</span>, handler->name());
<a name="l00334"></a>00334
<a name="l00335"></a>00335 <span class="comment">// we reload the driver if the printer object doesn't have one</span>
<a name="l00336"></a>00336 <span class="comment">// and there's an old entry (sometimes needed to keep the backend</span>
<a name="l00337"></a>00337 <span class="comment">// like in Foomatic)</span>
<a name="l00338"></a>00338 <span class="keywordflow">if</span> (!prt->driver() && oldEntry)
<a name="l00339"></a>00339 prt->setDriver(handler->loadDriver(prt, oldEntry, <span class="keyword">true</span>));
<a name="l00340"></a>00340
<a name="l00341"></a>00341 <a class="codeRef" href="qstring.html">QString</a> sd = LprSettings::self()->baseSpoolDir();
<a name="l00342"></a>00342 <span class="keywordflow">if</span> (sd.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00343"></a>00343 {
<a name="l00344"></a>00344 setErrorMsg(i18n(<span class="stringliteral">"Couldn't determine spool directory. See options dialog."</span>));
<a name="l00345"></a>00345 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00346"></a>00346 }
<a name="l00347"></a>00347 sd.<a class="codeRef" href="qstring.html#append">append</a>(<span class="stringliteral">"/"</span>).append(prt->printerName());
<a name="l00348"></a>00348 <span class="keywordflow">if</span> (!KStandardDirs::makeDir(sd, 0755))
<a name="l00349"></a>00349 {
<a name="l00350"></a>00350 setErrorMsg(i18n(<span class="stringliteral">"Unable to create the spool directory %1. Check that you "</span>
<a name="l00351"></a>00351 <span class="stringliteral">"have the required permissions for that operation."</span>).arg(sd));
<a name="l00352"></a>00352 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354 PrintcapEntry *entry = handler->createEntry(prt);
<a name="l00355"></a>00355 <span class="keywordflow">if</span> (!entry)
<a name="l00356"></a>00356 <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// error should be set in the handler</span>
<a name="l00357"></a>00357 <span class="comment">// old entry can be removed now</span>
<a name="l00358"></a>00358 m_entries.remove(prt->printerName());
<a name="l00359"></a>00359 entry->name = prt->printerName();
<a name="l00360"></a>00360 entry->addField(<span class="stringliteral">"sh"</span>, Field::Boolean);
<a name="l00361"></a>00361 entry->addField(<span class="stringliteral">"mx"</span>, Field::Integer, <span class="stringliteral">"0"</span>);
<a name="l00362"></a>00362 entry->addField(<span class="stringliteral">"sd"</span>, Field::String, sd);
<a name="l00363"></a>00363 <span class="keywordflow">if</span> (!prt->option(<span class="stringliteral">"kde-aliases"</span>).isEmpty())
<a name="l00364"></a>00364 entry->aliases += <a class="codeRef" href="qstringlist.html#split">QStringList::split</a>(<span class="stringliteral">"|"</span>, prt->option(<span class="stringliteral">"kde-aliases"</span>), <span class="keyword">false</span>);
<a name="l00365"></a>00365
<a name="l00366"></a>00366 <span class="comment">// insert the new entry and save printcap file</span>
<a name="l00367"></a>00367 m_entries.insert(prt->printerName(), entry);
<a name="l00368"></a>00368 <span class="keywordtype">bool</span> result = savePrintcapFile();
<a name="l00369"></a>00369 <span class="keywordflow">if</span> (result)
<a name="l00370"></a>00370 {
<a name="l00371"></a>00371 <span class="keywordflow">if</span> (prt->driver())
<a name="l00372"></a>00372 {
<a name="l00373"></a>00373 result = handler->savePrinterDriver(prt, entry, prt->driver());
<a name="l00374"></a>00374 }
<a name="l00375"></a>00375
<a name="l00376"></a>00376 <span class="comment">// in case of LPRng, we need to tell the daemon about new printer</span>
<a name="l00377"></a>00377 <span class="keywordflow">if</span> (LprSettings::self()->mode() == LprSettings::LPRng)
<a name="l00378"></a>00378 {
<a name="l00379"></a>00379 <a class="codeRef" href="qstring.html">QString</a> msg;
<a name="l00380"></a>00380 <span class="keywordflow">if</span> (!m_lpchelper->restart(msg))
<a name="l00381"></a>00381 {
<a name="l00382"></a>00382 setErrorMsg(i18n(<span class="stringliteral">"The printer has been created but the print daemon "</span>
<a name="l00383"></a>00383 <span class="stringliteral">"could not be restarted. %1"</span>).arg(msg));
<a name="l00384"></a>00384 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386 }
<a name="l00387"></a>00387 }
<a name="l00388"></a>00388 <span class="keywordflow">return</span> result;
<a name="l00389"></a>00389 }
<a name="l00390"></a>00390
<a name="l00391"></a>00391 <span class="keywordtype">bool</span> KMLprManager::removePrinter(KMPrinter *prt)
<a name="l00392"></a>00392 {
<a name="l00393"></a>00393 LprHandler *handler = findHandler(prt);
<a name="l00394"></a>00394 PrintcapEntry *entry = findEntry(prt);
<a name="l00395"></a>00395 <span class="keywordflow">if</span> (handler && entry)
<a name="l00396"></a>00396 {
<a name="l00397"></a>00397 <span class="keywordflow">if</span> (handler->removePrinter(prt, entry))
<a name="l00398"></a>00398 {
<a name="l00399"></a>00399 <a class="codeRef" href="qstring.html">QString</a> sd = entry->field(<span class="stringliteral">"sd"</span>);
<a name="l00400"></a>00400 <span class="comment">// first try to save the printcap file, and if</span>
<a name="l00401"></a>00401 <span class="comment">// successful, remove the spool directory</span>
<a name="l00402"></a>00402 m_entries.take(prt->printerName());
<a name="l00403"></a>00403 <span class="keywordtype">bool</span> status = savePrintcapFile();
<a name="l00404"></a>00404 <span class="keywordflow">if</span> (status)
<a name="l00405"></a>00405 {
<a name="l00406"></a>00406 <span class="comment">// printcap file saved, entry can be deleted now</span>
<a name="l00407"></a>00407 <span class="keyword">delete</span> entry;
<a name="l00408"></a>00408 status = (::system(<a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(<span class="stringliteral">"rm -rf "</span> + KProcess::quote(sd))) == 0);
<a name="l00409"></a>00409 <span class="keywordflow">if</span> (!status)
<a name="l00410"></a>00410 setErrorMsg(i18n(<span class="stringliteral">"Unable to remove spool directory %1. "</span>
<a name="l00411"></a>00411 <span class="stringliteral">"Check that you have write permissions "</span>
<a name="l00412"></a>00412 <span class="stringliteral">"for that directory."</span>).arg(sd));
<a name="l00413"></a>00413 <span class="keywordflow">return</span> status;
<a name="l00414"></a>00414 }
<a name="l00415"></a>00415 <span class="keywordflow">else</span>
<a name="l00416"></a>00416 <span class="comment">// push back the non-removed entry</span>
<a name="l00417"></a>00417 m_entries.insert(prt->printerName(), entry);
<a name="l00418"></a>00418 }
<a name="l00419"></a>00419 }
<a name="l00420"></a>00420 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00421"></a>00421 }
<a name="l00422"></a>00422
<a name="l00423"></a>00423 <a class="codeRef" href="qstring.html">QString</a> KMLprManager::driverDbCreationProgram()
<a name="l00424"></a>00424 {
<a name="l00425"></a>00425 <span class="keywordflow">return</span> <a class="codeRef" href="qstring.html#fromLatin1">QString::fromLatin1</a>(<span class="stringliteral">"make_driver_db_lpr"</span>);
<a name="l00426"></a>00426 }
<a name="l00427"></a>00427
<a name="l00428"></a>00428 <a class="codeRef" href="qstring.html">QString</a> KMLprManager::driverDirectory()
<a name="l00429"></a>00429 {
<a name="l00430"></a>00430 <a class="codeRef" href="qptrlistiterator.html">QPtrListIterator<LprHandler></a> it(m_handlerlist);
<a name="l00431"></a>00431 <a class="codeRef" href="qstring.html">QString</a> dbDirs;
<a name="l00432"></a>00432 <span class="keywordflow">for</span> (; it.current(); ++it)
<a name="l00433"></a>00433 {
<a name="l00434"></a>00434 <a class="codeRef" href="qstring.html">QString</a> dir = it.current()->driverDirectory();
<a name="l00435"></a>00435 <span class="keywordflow">if</span> (!dir.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00436"></a>00436 dbDirs.<a class="codeRef" href="qstring.html#append">append</a>(dir).append(<span class="stringliteral">":"</span>);
<a name="l00437"></a>00437 }
<a name="l00438"></a>00438 <span class="keywordflow">if</span> (!dbDirs.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00439"></a>00439 dbDirs.<a class="codeRef" href="qstring.html#truncate">truncate</a>(dbDirs.<a class="codeRef" href="qstring.html#length">length</a>()-1);
<a name="l00440"></a>00440 <span class="keywordflow">return</span> dbDirs;
<a name="l00441"></a>00441 }
<a name="l00442"></a>00442
<a name="l00443"></a>00443 <a class="codeRef" href="qstring.html">QString</a> KMLprManager::printOptions(<a class="code" href="classKPrinter.html" title="This class is the main interface to access the KDE print framework.">KPrinter</a> *prt)
<a name="l00444"></a>00444 {
<a name="l00445"></a>00445 KMPrinter *mprt = findPrinter(prt-><a class="code" href="classKPrinter.html#a3535ad8e5bcb9f71983085ac40b4dab0" title="See QPrinter::printerName().">printerName</a>());
<a name="l00446"></a>00446 <a class="codeRef" href="qstring.html">QString</a> opts;
<a name="l00447"></a>00447 <span class="keywordflow">if</span> (mprt)
<a name="l00448"></a>00448 {
<a name="l00449"></a>00449 LprHandler *handler = findHandler(mprt);
<a name="l00450"></a>00450 <span class="keywordflow">if</span> (handler)
<a name="l00451"></a>00451 <span class="keywordflow">return</span> handler->printOptions(prt);
<a name="l00452"></a>00452 }
<a name="l00453"></a>00453 <span class="keywordflow">return</span> QString::null;
<a name="l00454"></a>00454 }
<a name="l00455"></a>00455
<a name="l00456"></a>00456 <span class="keywordtype">void</span> KMLprManager::createPluginActions(KActionCollection *coll)
<a name="l00457"></a>00457 {
<a name="l00458"></a>00458 KAction *act = <span class="keyword">new</span> KAction(i18n(<span class="stringliteral">"&Edit printcap Entry..."</span>), <span class="stringliteral">"kdeprint_report"</span>, 0, <span class="keyword">this</span>, SLOT(slotEditPrintcap()), coll, <span class="stringliteral">"plugin_editprintcap"</span>);
<a name="l00459"></a>00459 act->setGroup(<span class="stringliteral">"plugin"</span>);
<a name="l00460"></a>00460 }
<a name="l00461"></a>00461
<a name="l00462"></a>00462 <span class="keywordtype">void</span> KMLprManager::validatePluginActions(KActionCollection *coll, KMPrinter *prt)
<a name="l00463"></a>00463 {
<a name="l00464"></a>00464 m_currentprinter = prt;
<a name="l00465"></a>00465 <span class="comment">// FIXME: disabled until completion</span>
<a name="l00466"></a>00466 coll->action(<span class="stringliteral">"plugin_editprintcap"</span>)->setEnabled(0 && hasManagement() && prt && !prt->isSpecial());
<a name="l00467"></a>00467 }
<a name="l00468"></a>00468
<a name="l00469"></a>00469 <span class="keywordtype">void</span> KMLprManager::slotEditPrintcap()
<a name="l00470"></a>00470 {
<a name="l00471"></a>00471 <span class="keywordflow">if</span> (!m_currentprinter ||
<a name="l00472"></a>00472 KMessageBox::warningContinueCancel(NULL,
<a name="l00473"></a>00473 i18n(<span class="stringliteral">"Editing a printcap entry manually should only be "</span>
<a name="l00474"></a>00474 <span class="stringliteral">"done by confirmed system administrator. This may "</span>
<a name="l00475"></a>00475 <span class="stringliteral">"prevent your printer from working. Do you want to "</span>
<a name="l00476"></a>00476 <span class="stringliteral">"continue?"</span>), QString::null, KStdGuiItem::cont(),
<a name="l00477"></a>00477 <span class="stringliteral">"editPrintcap"</span>) == KMessageBox::Cancel)
<a name="l00478"></a>00478 <span class="keywordflow">return</span>;
<a name="l00479"></a>00479
<a name="l00480"></a>00480 PrintcapEntry *entry = findEntry(m_currentprinter);
<a name="l00481"></a>00481 EditEntryDialog dlg(entry, NULL);
<a name="l00482"></a>00482 <span class="keywordflow">if</span> (dlg.exec())
<a name="l00483"></a>00483 {
<a name="l00484"></a>00484 }
<a name="l00485"></a>00485 }
<a name="l00486"></a>00486
<a name="l00487"></a>00487 <a class="codeRef" href="qstring.html">QString</a> KMLprManager::stateInformation()
<a name="l00488"></a>00488 {
<a name="l00489"></a>00489 <span class="keywordflow">return</span> i18n(<span class="stringliteral">"Spooler type: %1"</span>).<a class="codeRef" href="qstring.html#arg">arg</a>(LprSettings::self()->mode() == LprSettings::LPR ? <span class="stringliteral">"LPR (BSD compatible)"</span> : <span class="stringliteral">"LPRng"</span>);
<a name="l00490"></a>00490 }
<a name="l00491"></a>00491
<a name="l00492"></a>00492 <span class="preprocessor">#include "kmlprmanager.moc"</span>
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