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<div class="title">kprintpreview.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"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the GNU Library General Public</span>
<a name="l00008"></a>00008 <span class="comment"> * License version 2 as published by the Free Software Foundation.</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 "kprintpreview.h"</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "kmfactory.h"</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include <qfile.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <qlayout.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <qvbox.h></span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="preprocessor">#include <kparts/part.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <kaccel.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <kaction.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <klibloader.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <ktrader.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <kuserprofile.h></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <krun.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <kapplication.h></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include <kstandarddirs.h></span>
<a name="l00037"></a>00037 <span class="preprocessor">#include <klocale.h></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include <kmessagebox.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00040"></a>00040 <span class="preprocessor">#include <kconfig.h></span>
<a name="l00041"></a>00041 <span class="preprocessor">#include <ktoolbar.h></span>
<a name="l00042"></a>00042 <span class="preprocessor">#include <kmimetype.h></span>
<a name="l00043"></a>00043
<a name="l00044"></a>00044 KPreviewProc::KPreviewProc()
<a name="l00045"></a>00045 : KProcess()
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047 m_bOk = <span class="keyword">false</span>;
<a name="l00048"></a>00048 connect(<span class="keyword">this</span>, SIGNAL(processExited(KProcess*)), SLOT(slotProcessExited(KProcess*)));
<a name="l00049"></a>00049 }
<a name="l00050"></a>00050
<a name="l00051"></a>00051 KPreviewProc::~KPreviewProc()
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keywordtype">bool</span> KPreviewProc::startPreview()
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 <span class="keywordflow">if</span> (start())
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 kapp->enter_loop();
<a name="l00060"></a>00060 <span class="keywordflow">return</span> m_bOk;
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062 <span class="keywordflow">else</span>
<a name="l00063"></a>00063 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordtype">void</span> KPreviewProc::slotProcessExited(KProcess* proc)
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 kapp->exit_loop();
<a name="l00069"></a>00069 <span class="keywordflow">if</span> ( proc->normalExit() && proc->exitStatus() == 0 )
<a name="l00070"></a>00070 m_bOk = <span class="keyword">true</span>;
<a name="l00071"></a>00071 <span class="keywordflow">else</span>
<a name="l00072"></a>00072 kdDebug(500) << <span class="stringliteral">"KPreviewProc::slotProcessExited: normalExit="</span> << proc->normalExit()
<a name="l00073"></a>00073 << <span class="stringliteral">" exitStatus="</span> << proc->exitStatus() << endl;
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="comment">//*******************************************************************************************</span>
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keyword">class </span>KPrintPreview::KPrintPreviewPrivate
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <span class="keyword">public</span>:
<a name="l00081"></a>00081 KPrintPreviewPrivate(KPrintPreview *dlg) : gvpart_(0)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 mainwidget_ = <span class="keyword">new</span> <a class="codeRef" href="qwidget.html">QWidget</a>(dlg, <span class="stringliteral">"MainWidget"</span>);
<a name="l00084"></a>00084 toolbar_ = <span class="keyword">new</span> KToolBar(mainwidget_, <span class="stringliteral">"PreviewToolBar"</span>, <span class="keyword">true</span>);
<a name="l00085"></a>00085 actions_ = <span class="keyword">new</span> KActionCollection(dlg);
<a name="l00086"></a>00086 accel_ = <span class="keyword">new</span> KAccel(dlg);
<a name="l00087"></a>00087 previewonly_ = <span class="keyword">false</span>;
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 ~KPrintPreviewPrivate()
<a name="l00090"></a>00090 {
<a name="l00091"></a>00091 <span class="keywordflow">if</span> (gvpart_) <span class="keyword">delete</span> gvpart_;
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093 <span class="keywordtype">void</span> plugAction(KAction *act)
<a name="l00094"></a>00094 {
<a name="l00095"></a>00095 act->plug(toolbar_);
<a name="l00096"></a>00096 act->plugAccel(accel_);
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099 KParts::ReadOnlyPart *gvpart_;
<a name="l00100"></a>00100 KToolBar *toolbar_;
<a name="l00101"></a>00101 KActionCollection *actions_;
<a name="l00102"></a>00102 <a class="codeRef" href="qwidget.html">QWidget</a> *mainwidget_;
<a name="l00103"></a>00103 KAccel *accel_;
<a name="l00104"></a>00104 <span class="keywordtype">bool</span> previewonly_;
<a name="l00105"></a>00105 };
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keyword">static</span> KLibFactory* componentFactory()
<a name="l00108"></a>00108 {
<a name="l00109"></a>00109 kdDebug(500) << <span class="stringliteral">"kdeprint: querying trader for 'application/postscript' service"</span> << endl;
<a name="l00110"></a>00110 KLibFactory *factory(0);
<a name="l00111"></a>00111 KTrader::OfferList offers = KTrader::self()->query(<a class="codeRef" href="qstring.html#fromLatin1">QString::fromLatin1</a>(<span class="stringliteral">"application/postscript"</span>), <a class="codeRef" href="qstring.html#fromLatin1">QString::fromLatin1</a>(<span class="stringliteral">"KParts/ReadOnlyPart"</span>), QString::null, QString::null);
<a name="l00112"></a>00112 <span class="keywordflow">for</span> (KTrader::OfferList::ConstIterator it = offers.begin(); it != offers.end(); ++it)
<a name="l00113"></a>00113 {
<a name="l00114"></a>00114 KService::Ptr service = *it;
<a name="l00115"></a>00115 factory = KLibLoader::self()->factory(<a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(service->library()));
<a name="l00116"></a>00116 <span class="keywordflow">if</span> (factory)
<a name="l00117"></a>00117 <span class="keywordflow">break</span>;
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119 <span class="keywordflow">if</span> (!factory)
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 <span class="comment">// nothing has been found, try to load directly the KGhostview part</span>
<a name="l00122"></a>00122 factory = KLibLoader::self()->factory(<span class="stringliteral">"libkghostviewpart"</span>);
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124 <span class="keywordflow">return</span> factory;
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keyword">static</span> <span class="keywordtype">bool</span> continuePrint(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& msg_, <a class="codeRef" href="qwidget.html">QWidget</a> *parent, <span class="keywordtype">bool</span> previewOnly)
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 <a class="codeRef" href="qstring.html">QString</a> msg(msg_);
<a name="l00130"></a>00130 <span class="keywordflow">if</span> (previewOnly)
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 KMessageBox::error(parent, msg);
<a name="l00133"></a>00133 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135 <span class="keywordflow">else</span>
<a name="l00136"></a>00136 {
<a name="l00137"></a>00137 msg.append(<span class="stringliteral">" "</span>).append(i18n(<span class="stringliteral">"Do you want to continue printing anyway?"</span>));
<a name="l00138"></a>00138 <span class="keywordflow">return</span> (KMessageBox::warningContinueCancel(parent, msg, QString::null, KGuiItem(i18n(<span class="stringliteral">"Print"</span>),<span class="stringliteral">"fileprint"</span>)) == KMessageBox::Continue);
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="comment">//*******************************************************************************************</span>
<a name="l00143"></a>00143
<a name="l00144"></a>00144 KPrintPreview::KPrintPreview(<a class="codeRef" href="qwidget.html">QWidget</a> *parent, <span class="keywordtype">bool</span> previewOnly)
<a name="l00145"></a>00145 : KDialogBase(parent, <span class="stringliteral">"PreviewDlg"</span>, true, i18n(<span class="stringliteral">"Print Preview"</span>), 0)
<a name="l00146"></a>00146 {
<a name="l00147"></a>00147 kdDebug(500) << <span class="stringliteral">"kdeprint: creating preview dialog"</span> << endl;
<a name="l00148"></a>00148 d = <span class="keyword">new</span> KPrintPreviewPrivate(<span class="keyword">this</span>);
<a name="l00149"></a>00149 d->previewonly_ = <a class="code" href="classKPrinter.html#a742f18961faec99d34b8da68975d994c" title="Returns the preview-only state for this KPrinter object.">previewOnly</a>;
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <span class="comment">// create main view and actions</span>
<a name="l00152"></a>00152 setMainWidget(d->mainwidget_);
<a name="l00153"></a>00153 <span class="keywordflow">if</span> (previewOnly)
<a name="l00154"></a>00154 KStdAction::close(<span class="keyword">this</span>, SLOT(reject()), d->actions_, <span class="stringliteral">"close_print"</span>);
<a name="l00155"></a>00155 <span class="keywordflow">else</span>
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 <span class="keyword">new</span> KAction(i18n(<span class="stringliteral">"Print"</span>), <span class="stringliteral">"fileprint"</span>, Qt::Key_Return, <span class="keyword">this</span>, SLOT(accept()), d->actions_, <span class="stringliteral">"continue_print"</span>);
<a name="l00158"></a>00158 <span class="keyword">new</span> KAction(i18n(<span class="stringliteral">"Cancel"</span>), <span class="stringliteral">"stop"</span>, Qt::Key_Escape, <span class="keyword">this</span>, SLOT(reject()), d->actions_, <span class="stringliteral">"stop_print"</span>);
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162
<a name="l00163"></a>00163 KPrintPreview::~KPrintPreview()
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165 <span class="keyword">delete</span> d;
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="keywordtype">void</span> KPrintPreview::initView(KLibFactory *factory)
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170 <span class="comment">// load the component</span>
<a name="l00171"></a>00171 d->gvpart_ = (KParts::ReadOnlyPart*)factory->create(d->mainwidget_, <span class="stringliteral">"gvpart"</span>, <span class="stringliteral">"KParts::ReadOnlyPart"</span>);
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="comment">// populate the toolbar</span>
<a name="l00174"></a>00174 <span class="keywordflow">if</span> (d->previewonly_)
<a name="l00175"></a>00175 d->plugAction(d->actions_->action(<span class="stringliteral">"close_print"</span>));
<a name="l00176"></a>00176 <span class="keywordflow">else</span>
<a name="l00177"></a>00177 {
<a name="l00178"></a>00178 d->plugAction(d->actions_->action(<span class="stringliteral">"continue_print"</span>));
<a name="l00179"></a>00179 d->plugAction(d->actions_->action(<span class="stringliteral">"stop_print"</span>));
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181 <span class="keywordflow">if</span> (d->gvpart_)
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 <a class="codeRef" href="qdomnodelist.html">QDomNodeList</a> l = d->gvpart_->domDocument().elementsByTagName( <span class="stringliteral">"ToolBar"</span> );
<a name="l00184"></a>00184 <span class="keywordflow">if</span> ( l.<a class="codeRef" href="qdomnodelist.html#length">length</a>() > 0 )
<a name="l00185"></a>00185 {
<a name="l00186"></a>00186 d->toolbar_->insertLineSeparator();
<a name="l00187"></a>00187 <a class="codeRef" href="qdomnodelist.html">QDomNodeList</a> acts = l.<a class="codeRef" href="qdomnodelist.html#item">item</a>( 0 ).toElement().elementsByTagName( <span class="stringliteral">"Action"</span> );
<a name="l00188"></a>00188 <span class="keywordflow">for</span> ( uint i=0; i<acts.<a class="codeRef" href="qdomnodelist.html#length">length</a>(); i++ )
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 <a class="codeRef" href="qdomelement.html">QDomElement</a> a = acts.<a class="codeRef" href="qdomnodelist.html#item">item</a>( i ).toElement();
<a name="l00191"></a>00191 <span class="keywordflow">if</span> ( a.<a class="codeRef" href="qdomelement.html#attribute">attribute</a>( <span class="stringliteral">"name"</span> ) == <span class="stringliteral">"goToPage"</span> )
<a name="l00192"></a>00192 <span class="keywordflow">continue</span>;
<a name="l00193"></a>00193 KAction *act = d->gvpart_->action( a );
<a name="l00194"></a>00194 <span class="keywordflow">if</span> ( act != 0 )
<a name="l00195"></a>00195 d->plugAction( act );
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198 <span class="comment">/*</span>
<a name="l00199"></a>00199 <span class="comment"> KAction *act;</span>
<a name="l00200"></a>00200 <span class="comment"> d->toolbar_->insertLineSeparator();</span>
<a name="l00201"></a>00201 <span class="comment"> if ((act = d->gvpart_->action("zoomIn")) != 0)</span>
<a name="l00202"></a>00202 <span class="comment"> d->plugAction(act);</span>
<a name="l00203"></a>00203 <span class="comment"> if ((act = d->gvpart_->action("zoomOut")) != 0)</span>
<a name="l00204"></a>00204 <span class="comment"> d->plugAction(act);</span>
<a name="l00205"></a>00205 <span class="comment"> d->toolbar_->insertSeparator();</span>
<a name="l00206"></a>00206 <span class="comment"> if ((act = d->gvpart_->action("prevPage")) != 0)</span>
<a name="l00207"></a>00207 <span class="comment"> d->plugAction(act);</span>
<a name="l00208"></a>00208 <span class="comment"> if ((act = d->gvpart_->action("nextPage")) != 0)</span>
<a name="l00209"></a>00209 <span class="comment"> d->plugAction(act);</span>
<a name="l00210"></a>00210 <span class="comment"> */</span>
<a name="l00211"></a>00211 }
<a name="l00212"></a>00212 d->toolbar_->setIconText(KToolBar::IconTextRight);
<a name="l00213"></a>00213 d->toolbar_->setBarPos(KToolBar::Top);
<a name="l00214"></a>00214 d->toolbar_->setMovingEnabled(<span class="keyword">false</span>);
<a name="l00215"></a>00215 <span class="comment">//d->adjustSize();</span>
<a name="l00216"></a>00216
<a name="l00217"></a>00217 <span class="comment">// construct the layout</span>
<a name="l00218"></a>00218 <a class="codeRef" href="qvboxlayout.html">QVBoxLayout</a> *l0 = <span class="keyword">new</span> <a class="codeRef" href="qvboxlayout.html">QVBoxLayout</a>(d->mainwidget_, 0, 0);
<a name="l00219"></a>00219 l0->addWidget(d->toolbar_, AlignTop);
<a name="l00220"></a>00220 <span class="keywordflow">if</span> (d->gvpart_)
<a name="l00221"></a>00221 l0->addWidget(d->gvpart_->widget());
<a name="l00222"></a>00222
<a name="l00223"></a>00223 resize(855, 500);
<a name="l00224"></a>00224 setCaption(i18n(<span class="stringliteral">"Print Preview"</span>));
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226
<a name="l00227"></a>00227 <span class="keywordtype">void</span> KPrintPreview::openFile(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& file)
<a name="l00228"></a>00228 {
<a name="l00229"></a>00229 d->gvpart_->openURL(KURL(file));
<a name="l00230"></a>00230 }
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <span class="keywordtype">bool</span> KPrintPreview::isValid()<span class="keyword"> const</span>
<a name="l00233"></a>00233 <span class="keyword"></span>{
<a name="l00234"></a>00234 <span class="keywordflow">return</span> (d->gvpart_ != 0);
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="keywordtype">bool</span> KPrintPreview::preview(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& file, <span class="keywordtype">bool</span> previewOnly, WId parentId)
<a name="l00238"></a>00238 {
<a name="l00239"></a>00239 KMimeType::Ptr mime = KMimeType::findByPath( file );
<a name="l00240"></a>00240 <span class="keywordtype">bool</span> isPS = ( mime->name() == <span class="stringliteral">"application/postscript"</span> );
<a name="l00241"></a>00241 <span class="keywordflow">if</span> ( !isPS )
<a name="l00242"></a>00242 kdDebug( 500 ) << <span class="stringliteral">"Previewing a non PostScript file, built-in preview disabled"</span> << endl;
<a name="l00243"></a>00243
<a name="l00244"></a>00244 KConfig *conf = KMFactory::self()->printConfig();
<a name="l00245"></a>00245 conf->setGroup(<span class="stringliteral">"General"</span>);
<a name="l00246"></a>00246 KLibFactory *factory(0);
<a name="l00247"></a>00247 <span class="keywordtype">bool</span> externalPreview = conf->readBoolEntry(<span class="stringliteral">"ExternalPreview"</span>, <span class="keyword">false</span>);
<a name="l00248"></a>00248 <a class="codeRef" href="qwidget.html">QWidget</a> *parentW = <a class="codeRef" href="qwidget.html#find">QWidget::find</a>(parentId);
<a name="l00249"></a>00249 <a class="codeRef" href="qstring.html">QString</a> exe;
<a name="l00250"></a>00250 <span class="keywordflow">if</span> (!externalPreview && isPS && (factory = componentFactory()) != 0)
<a name="l00251"></a>00251 {
<a name="l00252"></a>00252 KPrintPreview dlg(parentW, previewOnly);
<a name="l00253"></a>00253 dlg.initView(factory);
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <span class="keywordflow">if</span> (dlg.isValid())
<a name="l00256"></a>00256 {
<a name="l00257"></a>00257 dlg.openFile(file);
<a name="l00258"></a>00258 <span class="keywordflow">return</span> dlg.exec();
<a name="l00259"></a>00259 }
<a name="l00260"></a>00260 <span class="keywordflow">else</span>
<a name="l00261"></a>00261 {
<a name="l00262"></a>00262 <span class="comment">// do nothing at that point: try to use the other way around by</span>
<a name="l00263"></a>00263 <span class="comment">// using an external PS viewer if possible</span>
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265 }
<a name="l00266"></a>00266
<a name="l00267"></a>00267 <span class="comment">// Either the PS viewer component was not found, or an external</span>
<a name="l00268"></a>00268 <span class="comment">// preview program has been specified</span>
<a name="l00269"></a>00269 KPreviewProc proc;
<a name="l00270"></a>00270 <span class="keywordflow">if</span> (externalPreview && isPS )
<a name="l00271"></a>00271 {
<a name="l00272"></a>00272 exe = conf->readPathEntry(<span class="stringliteral">"PreviewCommand"</span>, <span class="stringliteral">"gv"</span>);
<a name="l00273"></a>00273 <span class="keywordflow">if</span> (KStandardDirs::findExe(exe).isEmpty())
<a name="l00274"></a>00274 {
<a name="l00275"></a>00275 <a class="codeRef" href="qstring.html">QString</a> msg = i18n(<span class="stringliteral">"The preview program %1 cannot be found. "</span>
<a name="l00276"></a>00276 <span class="stringliteral">"Check that the program is correctly installed and "</span>
<a name="l00277"></a>00277 <span class="stringliteral">"located in a directory included in your PATH "</span>
<a name="l00278"></a>00278 <span class="stringliteral">"environment variable."</span>).<a class="codeRef" href="qstring.html#arg">arg</a>(exe);
<a name="l00279"></a>00279 <span class="keywordflow">return</span> continuePrint(msg, parentW, previewOnly);
<a name="l00280"></a>00280 }
<a name="l00281"></a>00281 proc << exe << file;
<a name="l00282"></a>00282 }
<a name="l00283"></a>00283 <span class="keywordflow">else</span>
<a name="l00284"></a>00284 {
<a name="l00285"></a>00285 KService::Ptr serv = KServiceTypeProfile::preferredService( mime->name(), QString::null );
<a name="l00286"></a>00286 <span class="keywordflow">if</span> ( serv )
<a name="l00287"></a>00287 {
<a name="l00288"></a>00288 KURL url;
<a name="l00289"></a>00289 url.setPath( file );
<a name="l00290"></a>00290 <a class="codeRef" href="qstringlist.html">QStringList</a> args = KRun::processDesktopExec( *serv, url, <span class="keyword">false</span> );
<a name="l00291"></a>00291 proc << args;
<a name="l00292"></a>00292 exe = serv->name();
<a name="l00293"></a>00293 }
<a name="l00294"></a>00294 <span class="keywordflow">else</span>
<a name="l00295"></a>00295 {
<a name="l00296"></a>00296 <span class="comment">// in that case, the PS viewer component could not be loaded and no service</span>
<a name="l00297"></a>00297 <span class="comment">// could be found to view PS</span>
<a name="l00298"></a>00298 <a class="codeRef" href="qstring.html">QString</a> msg;
<a name="l00299"></a>00299 <span class="keywordflow">if</span> ( isPS )
<a name="l00300"></a>00300 msg = i18n(<span class="stringliteral">"Preview failed: neither the internal KDE PostScript "</span>
<a name="l00301"></a>00301 <span class="stringliteral">"viewer (KGhostView) nor any other external PostScript "</span>
<a name="l00302"></a>00302 <span class="stringliteral">"viewer could be found."</span>);
<a name="l00303"></a>00303 <span class="keywordflow">else</span>
<a name="l00304"></a>00304 msg = i18n( <span class="stringliteral">"Preview failed: KDE could not find any application "</span>
<a name="l00305"></a>00305 <span class="stringliteral">"to preview files of type %1."</span> ).<a class="codeRef" href="qstring.html#arg">arg</a>( mime->name() );
<a name="l00306"></a>00306
<a name="l00307"></a>00307 <span class="keywordflow">return</span> continuePrint(msg, parentW, previewOnly);
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310
<a name="l00311"></a>00311 <span class="comment">// start the preview process</span>
<a name="l00312"></a>00312 <span class="keywordflow">if</span> (!proc.startPreview())
<a name="l00313"></a>00313 {
<a name="l00314"></a>00314 <a class="codeRef" href="qstring.html">QString</a> msg = i18n(<span class="stringliteral">"Preview failed: unable to start program %1."</span>).<a class="codeRef" href="qstring.html#arg">arg</a>(exe);
<a name="l00315"></a>00315 <span class="keywordflow">return</span> continuePrint(msg, parentW, previewOnly);
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!previewOnly)
<a name="l00318"></a>00318 {
<a name="l00319"></a>00319 <span class="keywordflow">return</span> (KMessageBox::questionYesNo(parentW, i18n(<span class="stringliteral">"Do you want to continue printing?"</span>), QString::null, KGuiItem(i18n(<span class="stringliteral">"Print"</span>),<span class="stringliteral">"fileprint"</span>), KStdGuiItem::cancel(), <span class="stringliteral">"continuePrinting"</span>) == KMessageBox::Yes);
<a name="l00320"></a>00320 }
<a name="l00321"></a>00321 <span class="keywordflow">else</span>
<a name="l00322"></a>00322 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00323"></a>00323 }
<a name="l00324"></a>00324
<a name="l00325"></a>00325 <span class="preprocessor">#include "kprintpreview.moc"</span>
</pre></div></div>
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