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<h2><a name="content"></a>kaddressbook</h2>
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<h1>imagewidget.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> This file is part of KAddressBook.</span>
<a name="l00003"></a>00003 <span class="comment"> Copyright (c) 2003 Tobias Koenig <tokoe@kde.org></span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
<a name="l00006"></a>00006 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00007"></a>00007 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00008"></a>00008 <span class="comment"> (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 program 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</span>
<a name="l00013"></a>00013 <span class="comment"> GNU 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 General Public License</span>
<a name="l00016"></a>00016 <span class="comment"> along with this program; if not, write to the Free Software</span>
<a name="l00017"></a>00017 <span class="comment"> Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.</span>
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment"> As a special exception, permission is given to link this program</span>
<a name="l00020"></a>00020 <span class="comment"> with any edition of Qt, and distribute the resulting executable,</span>
<a name="l00021"></a>00021 <span class="comment"> without including the source code for Qt in the source distribution.</span>
<a name="l00022"></a>00022 <span class="comment">*/</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include <kabc/picture.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <kdialog.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <kfiledialog.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <kglobalsettings.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <kiconloader.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <kimageio.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <kio/netaccess.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <klocale.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <kmessagebox.h></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <kurldrag.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <libkdepim/kpixmapregionselectordialog.h></span>
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="preprocessor">#include <qapplication.h></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include <qdragobject.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <qeventloop.h></span>
<a name="l00040"></a>00040 <span class="preprocessor">#include <qgroupbox.h></span>
<a name="l00041"></a>00041 <span class="preprocessor">#include <qlabel.h></span>
<a name="l00042"></a>00042 <span class="preprocessor">#include <qlayout.h></span>
<a name="l00043"></a>00043 <span class="preprocessor">#include <qpixmap.h></span>
<a name="l00044"></a>00044 <span class="preprocessor">#include <qpopupmenu.h></span>
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="preprocessor">#include <unistd.h></span>
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="preprocessor">#include "imagewidget.h"</span>
<a name="l00049"></a>00049
<a name="l00050"></a>00050 ImageLoader::ImageLoader( QWidget *parent )
<a name="l00051"></a>00051 : QObject( 0, <span class="stringliteral">"ImageLoader"</span> ), mParent( parent )
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00055"></a>00055 KABC::Picture ImageLoader::loadPicture( <span class="keyword">const</span> KURL &url, <span class="keywordtype">bool</span> *ok )
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 KABC::Picture picture;
<a name="l00058"></a>00058 QString tempFile;
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keywordflow">if</span> ( url.isEmpty() )
<a name="l00061"></a>00061 <span class="keywordflow">return</span> picture;
<a name="l00062"></a>00062
<a name="l00063"></a>00063 (*ok) = <span class="keyword">false</span>;
<a name="l00064"></a>00064
<a name="l00065"></a>00065 QImage image;
<a name="l00066"></a>00066 <span class="keywordflow">if</span> ( url.isLocalFile() ) {
<a name="l00067"></a>00067 image.load( url.path() );
<a name="l00068"></a>00068 picture.setData( image );
<a name="l00069"></a>00069 (*ok) = <span class="keyword">true</span>;
<a name="l00070"></a>00070 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( KIO::NetAccess::download( url, tempFile, mParent ) ) {
<a name="l00071"></a>00071 image.load( tempFile );
<a name="l00072"></a>00072 picture.setData( image );
<a name="l00073"></a>00073 (*ok) = <span class="keyword">true</span>;
<a name="l00074"></a>00074 KIO::NetAccess::removeTempFile( tempFile );
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordflow">if</span> ( !(*ok) ) {
<a name="l00078"></a>00078 <span class="comment">// image does not exist (any more)</span>
<a name="l00079"></a>00079 KMessageBox::sorry( mParent, i18n( <span class="stringliteral">"This contact's image cannot be found."</span> ) );
<a name="l00080"></a>00080 <span class="keywordflow">return</span> picture;
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082
<a name="l00083"></a>00083 QPixmap pixmap = picture.data();
<a name="l00084"></a>00084
<a name="l00085"></a>00085 QPixmap selectedPixmap = KPIM::KPixmapRegionSelectorDialog::getSelectedImage( pixmap, 100, 140, mParent );
<a name="l00086"></a>00086 <span class="keywordflow">if</span> ( selectedPixmap.isNull() ) {
<a name="l00087"></a>00087 (*ok) = <span class="keyword">false</span>;
<a name="l00088"></a>00088 <span class="keywordflow">return</span> picture;
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090
<a name="l00091"></a>00091 image = selectedPixmap;
<a name="l00092"></a>00092 <span class="keywordflow">if</span> ( image.height() != 140 || image.width() != 100 ) {
<a name="l00093"></a>00093 <span class="keywordflow">if</span> ( image.height() > image.width() )
<a name="l00094"></a>00094 image = image.scaleHeight( 140 );
<a name="l00095"></a>00095 <span class="keywordflow">else</span>
<a name="l00096"></a>00096 image = image.scaleWidth( 100 );
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099 picture.setData( image );
<a name="l00100"></a>00100 (*ok) = <span class="keyword">true</span>;
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="keywordflow">return</span> picture;
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104
<a name="l00105"></a>00105
<a name="l00106"></a>00106 ImageButton::ImageButton( <span class="keyword">const</span> QString &title, QWidget *parent )
<a name="l00107"></a>00107 : QPushButton( title, parent ),
<a name="l00108"></a>00108 mReadOnly( false ), mImageLoader( 0 )
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 setAcceptDrops( <span class="keyword">true</span> );
<a name="l00111"></a>00111
<a name="l00112"></a>00112 connect( <span class="keyword">this</span>, SIGNAL( clicked() ), SLOT( load() ) );
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keywordtype">void</span> ImageButton::setReadOnly( <span class="keywordtype">bool</span> readOnly )
<a name="l00116"></a>00116 {
<a name="l00117"></a>00117 mReadOnly = readOnly;
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="keywordtype">void</span> ImageButton::setPicture( <span class="keyword">const</span> KABC::Picture &picture )
<a name="l00121"></a>00121 {
<a name="l00122"></a>00122 mPicture = picture;
<a name="l00123"></a>00123 updateGUI();
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125
<a name="l00126"></a>00126 KABC::Picture ImageButton::picture()<span class="keyword"> const</span>
<a name="l00127"></a>00127 <span class="keyword"></span>{
<a name="l00128"></a>00128 <span class="keywordflow">return</span> mPicture;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="keywordtype">void</span> ImageButton::setImageLoader( <a class="code" href="classImageLoader.html" title="Small helper class.">ImageLoader</a> *loader )
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133 mImageLoader = loader;
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keywordtype">void</span> ImageButton::startDrag()
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 <span class="keywordflow">if</span> ( !mPicture.data().isNull() ) {
<a name="l00139"></a>00139 QImageDrag *drag = <span class="keyword">new</span> QImageDrag( mPicture.data(), this );
<a name="l00140"></a>00140 drag->dragCopy();
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="keywordtype">void</span> ImageButton::updateGUI()
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 <span class="keywordflow">if</span> ( mPicture.data().isNull() )
<a name="l00147"></a>00147 setPixmap( KGlobal::iconLoader()->iconPath( <span class="stringliteral">"personal"</span>, KIcon::Desktop ) );
<a name="l00148"></a>00148 <span class="keywordflow">else</span>
<a name="l00149"></a>00149 setPixmap( mPicture.data() );
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151
<a name="l00152"></a>00152 <span class="keywordtype">void</span> ImageButton::dragEnterEvent( QDragEnterEvent *event )
<a name="l00153"></a>00153 {
<a name="l00154"></a>00154 <span class="keywordtype">bool</span> accepted = <span class="keyword">false</span>;
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="keywordflow">if</span> ( QImageDrag::canDecode( event ) )
<a name="l00157"></a>00157 accepted = <span class="keyword">true</span>;
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keywordflow">if</span> ( QUriDrag::canDecode( event ) )
<a name="l00160"></a>00160 accepted = <span class="keyword">true</span>;
<a name="l00161"></a>00161
<a name="l00162"></a>00162 <span class="keyword">event</span>->accept( accepted );
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="keywordtype">void</span> ImageButton::dropEvent( QDropEvent *event )
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 <span class="keywordflow">if</span> ( mReadOnly )
<a name="l00168"></a>00168 <span class="keywordflow">return</span>;
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="keywordflow">if</span> ( QImageDrag::canDecode( event ) ) {
<a name="l00171"></a>00171 QPixmap pm;
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="keywordflow">if</span> ( QImageDrag::decode( event, pm ) ) {
<a name="l00174"></a>00174 mPicture.setData( pm.convertToImage() );
<a name="l00175"></a>00175 updateGUI();
<a name="l00176"></a>00176 emit changed();
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="keywordflow">if</span> ( QUriDrag::canDecode( event ) ) {
<a name="l00181"></a>00181 KURL::List urls;
<a name="l00182"></a>00182 <span class="keywordflow">if</span> ( KURLDrag::decode( event, urls ) ) {
<a name="l00183"></a>00183 <span class="keywordflow">if</span> ( urls.isEmpty() ) { <span class="comment">// oops, no data</span>
<a name="l00184"></a>00184 <span class="keyword">event</span>->accept( <span class="keyword">false</span> );
<a name="l00185"></a>00185 <span class="keywordflow">return</span>;
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="keywordflow">if</span> ( mImageLoader ) {
<a name="l00190"></a>00190 <span class="keywordtype">bool</span> ok = <span class="keyword">false</span>;
<a name="l00191"></a>00191 KABC::Picture pic = mImageLoader-><a class="code" href="classImageLoader.html#2d5228d1eabf9d5defd1a10471e52da9">loadPicture</a>( urls[ 0 ], &ok );
<a name="l00192"></a>00192 <span class="keywordflow">if</span> ( ok ) {
<a name="l00193"></a>00193 mPicture = pic;
<a name="l00194"></a>00194 updateGUI();
<a name="l00195"></a>00195 emit changed();
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <span class="keywordtype">void</span> ImageButton::mousePressEvent( QMouseEvent *event )
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 mDragStartPos = <span class="keyword">event</span>->pos();
<a name="l00204"></a>00204 QPushButton::mousePressEvent( event );
<a name="l00205"></a>00205 }
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keywordtype">void</span> ImageButton::mouseMoveEvent( QMouseEvent *event )
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209 <span class="keywordflow">if</span> ( (event->state() & LeftButton) &&
<a name="l00210"></a>00210 (event->pos() - mDragStartPos).manhattanLength() >
<a name="l00211"></a>00211 KGlobalSettings::dndEventDelay() ) {
<a name="l00212"></a>00212 startDrag();
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215
<a name="l00216"></a>00216 <span class="keywordtype">void</span> ImageButton::contextMenuEvent( QContextMenuEvent *event )
<a name="l00217"></a>00217 {
<a name="l00218"></a>00218 QPopupMenu menu( <span class="keyword">this</span> );
<a name="l00219"></a>00219 menu.insertItem( i18n( <span class="stringliteral">"Reset"</span> ), <span class="keyword">this</span>, SLOT( clear() ) );
<a name="l00220"></a>00220 menu.exec( event->globalPos() );
<a name="l00221"></a>00221 }
<a name="l00222"></a>00222
<a name="l00223"></a>00223 <span class="keywordtype">void</span> ImageButton::load()
<a name="l00224"></a>00224 {
<a name="l00225"></a>00225 KURL url = KFileDialog::getOpenURL( QString(), KImageIO::pattern(), <span class="keyword">this</span> );
<a name="l00226"></a>00226 <span class="keywordflow">if</span> ( url.isValid() ) {
<a name="l00227"></a>00227 <span class="keywordflow">if</span> ( mImageLoader ) {
<a name="l00228"></a>00228 <span class="keywordtype">bool</span> ok = <span class="keyword">false</span>;
<a name="l00229"></a>00229 KABC::Picture pic = mImageLoader-><a class="code" href="classImageLoader.html#2d5228d1eabf9d5defd1a10471e52da9">loadPicture</a>( url, &ok );
<a name="l00230"></a>00230 <span class="keywordflow">if</span> ( ok ) {
<a name="l00231"></a>00231 mPicture = pic;
<a name="l00232"></a>00232 updateGUI();
<a name="l00233"></a>00233 emit changed();
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236 }
<a name="l00237"></a>00237 }
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="keywordtype">void</span> ImageButton::clear()
<a name="l00240"></a>00240 {
<a name="l00241"></a>00241 mPicture = KABC::Picture();
<a name="l00242"></a>00242 updateGUI();
<a name="l00243"></a>00243
<a name="l00244"></a>00244 emit changed();
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246
<a name="l00247"></a>00247 ImageBaseWidget::ImageBaseWidget( <span class="keyword">const</span> QString &title,
<a name="l00248"></a>00248 QWidget *parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name )
<a name="l00249"></a>00249 : QWidget( parent, name ), mReadOnly( false )
<a name="l00250"></a>00250 {
<a name="l00251"></a>00251 mImageLoader = <span class="keyword">new</span> <a class="code" href="classImageLoader.html" title="Small helper class.">ImageLoader</a>( <span class="keyword">this</span> );
<a name="l00252"></a>00252
<a name="l00253"></a>00253 QVBoxLayout *topLayout = <span class="keyword">new</span> QVBoxLayout( <span class="keyword">this</span>, KDialog::marginHint(),
<a name="l00254"></a>00254 KDialog::spacingHint() );
<a name="l00255"></a>00255 QGroupBox *box = <span class="keyword">new</span> QGroupBox( 0, Qt::Vertical, title, <span class="keyword">this</span> );
<a name="l00256"></a>00256 QVBoxLayout *layout = <span class="keyword">new</span> QVBoxLayout( box->layout(), KDialog::spacingHint() );
<a name="l00257"></a>00257
<a name="l00258"></a>00258 mImageButton = <span class="keyword">new</span> <a class="code" href="classImageButton.html" title="Small helper class.">ImageButton</a>( i18n( <span class="stringliteral">"Picture"</span> ), box );
<a name="l00259"></a>00259 mImageButton->setFixedSize( 100, 140 );
<a name="l00260"></a>00260 mImageButton->setImageLoader( mImageLoader );
<a name="l00261"></a>00261 layout->addWidget( mImageButton );
<a name="l00262"></a>00262
<a name="l00263"></a>00263 topLayout->addWidget( box );
<a name="l00264"></a>00264
<a name="l00265"></a>00265 connect( mImageButton, SIGNAL( changed() ), SIGNAL( changed() ) );
<a name="l00266"></a>00266 }
<a name="l00267"></a>00267
<a name="l00268"></a>00268 ImageBaseWidget::~ImageBaseWidget()
<a name="l00269"></a>00269 {
<a name="l00270"></a>00270 <span class="keyword">delete</span> mImageLoader;
<a name="l00271"></a>00271 mImageLoader = 0;
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <span class="keywordtype">void</span> ImageBaseWidget::setReadOnly( <span class="keywordtype">bool</span> readOnly )
<a name="l00275"></a>00275 {
<a name="l00276"></a>00276 mReadOnly = readOnly;
<a name="l00277"></a>00277 mImageButton->setReadOnly( mReadOnly );
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279
<a name="l00280"></a>00280 <span class="keywordtype">void</span> ImageBaseWidget::setImage( <span class="keyword">const</span> KABC::Picture &photo )
<a name="l00281"></a>00281 {
<a name="l00282"></a>00282 mImageButton->setPicture( photo );
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284
<a name="l00285"></a>00285 KABC::Picture ImageBaseWidget::image()<span class="keyword"> const</span>
<a name="l00286"></a>00286 <span class="keyword"></span>{
<a name="l00287"></a>00287 <span class="keywordflow">return</span> mImageButton->picture();
<a name="l00288"></a>00288 }
<a name="l00289"></a>00289
<a name="l00290"></a>00290
<a name="l00291"></a>00291 ImageWidget::ImageWidget( KABC::AddressBook *ab, QWidget *parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name )
<a name="l00292"></a>00292 : KAB::ContactEditorWidget( ab, parent, name )
<a name="l00293"></a>00293 {
<a name="l00294"></a>00294 QHBoxLayout *layout = <span class="keyword">new</span> QHBoxLayout( <span class="keyword">this</span>, KDialog::marginHint(),
<a name="l00295"></a>00295 KDialog::spacingHint() );
<a name="l00296"></a>00296
<a name="l00297"></a>00297 mPhotoWidget = <span class="keyword">new</span> ImageBaseWidget( KABC::Addressee::photoLabel(), <span class="keyword">this</span> );
<a name="l00298"></a>00298 layout->addWidget( mPhotoWidget );
<a name="l00299"></a>00299
<a name="l00300"></a>00300 mLogoWidget = <span class="keyword">new</span> ImageBaseWidget( KABC::Addressee::logoLabel(), <span class="keyword">this</span> );
<a name="l00301"></a>00301 layout->addWidget( mLogoWidget );
<a name="l00302"></a>00302
<a name="l00303"></a>00303 connect( mPhotoWidget, SIGNAL( changed() ), SLOT( setModified() ) );
<a name="l00304"></a>00304 connect( mLogoWidget, SIGNAL( changed() ), SLOT( setModified() ) );
<a name="l00305"></a>00305 }
<a name="l00306"></a>00306
<a name="l00307"></a>00307 <span class="keywordtype">void</span> ImageWidget::loadContact( KABC::Addressee *addr )
<a name="l00308"></a>00308 {
<a name="l00309"></a>00309 mPhotoWidget->setImage( addr->photo() );
<a name="l00310"></a>00310 mLogoWidget->setImage( addr->logo() );
<a name="l00311"></a>00311 }
<a name="l00312"></a>00312
<a name="l00313"></a>00313 <span class="keywordtype">void</span> ImageWidget::storeContact( KABC::Addressee *addr )
<a name="l00314"></a>00314 {
<a name="l00315"></a>00315 addr->setPhoto( mPhotoWidget->image() );
<a name="l00316"></a>00316 addr->setLogo( mLogoWidget->image() );
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318
<a name="l00319"></a>00319 <span class="keywordtype">void</span> ImageWidget::setReadOnly( <span class="keywordtype">bool</span> readOnly )
<a name="l00320"></a>00320 {
<a name="l00321"></a>00321 mPhotoWidget->setReadOnly( readOnly );
<a name="l00322"></a>00322 mLogoWidget->setReadOnly( readOnly );
<a name="l00323"></a>00323 }
<a name="l00324"></a>00324
<a name="l00325"></a>00325 <span class="preprocessor">#include "imagewidget.moc"</span>
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