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<h2><a name="content"></a>kitchensync</h2>
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<h1>kwidgetlist.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 KitchenSync.</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment"> Copyright (c) 2005 Tobias Koenig <tokoe@kde.org></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 as published by the Free Software Foundation; either</span>
<a name="l00009"></a>00009 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00014"></a>00014 <span class="comment"> Library General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> You should have received a copy of the GNU Library General Public License</span>
<a name="l00017"></a>00017 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00018"></a>00018 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00019"></a>00019 <span class="comment"> Boston, MA 02110-1301, USA.</span>
<a name="l00020"></a>00020 <span class="comment">*/</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include <qvbox.h></span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include <kglobalsettings.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="preprocessor">#include "kwidgetlist.h"</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="keyword">class </span>KWidgetList::Private
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 <span class="keyword">public</span>:
<a name="l00031"></a>00031 Private()
<a name="l00032"></a>00032 : mSelectedItem( 0 )
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 }
<a name="l00035"></a>00035
<a name="l00036"></a>00036 QValueList<KWidgetListItem*> mItems;
<a name="l00037"></a>00037 KWidgetListItem *mSelectedItem;
<a name="l00038"></a>00038 QVBox *mBox;
<a name="l00039"></a>00039 };
<a name="l00040"></a>00040
<a name="l00041"></a>00041 KWidgetList::KWidgetList( QWidget *parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name )
<a name="l00042"></a>00042 : QScrollView( parent, name ),
<a name="l00043"></a>00043 d( new Private )
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045 d->mBox = <span class="keyword">new</span> QVBox( viewport() );
<a name="l00046"></a>00046 addChild( d->mBox );
<a name="l00047"></a>00047
<a name="l00048"></a>00048 setResizePolicy( AutoOneFit );
<a name="l00049"></a>00049 setFocusPolicy( QWidget::StrongFocus );
<a name="l00050"></a>00050
<a name="l00051"></a>00051 viewport()->setFocus();
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053
<a name="l00054"></a>00054 KWidgetList::~KWidgetList()
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 clear();
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="keyword">delete</span> d;
<a name="l00059"></a>00059 d = 0;
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 uint KWidgetList::count()<span class="keyword"> const</span>
<a name="l00063"></a>00063 <span class="keyword"></span>{
<a name="l00064"></a>00064 <span class="keywordflow">return</span> d->mItems.count();
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="keywordtype">void</span> KWidgetList::appendItem( KWidgetListItem *item )
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 <span class="keywordflow">if</span> ( !item )
<a name="l00070"></a>00070 <span class="keywordflow">return</span>;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keywordflow">if</span> ( !d->mItems.contains( item ) ) {
<a name="l00073"></a>00073 d->mItems.append( item );
<a name="l00074"></a>00074 item->reparent( d->mBox, 0, QPoint( 0, 0 ), <span class="keyword">true</span> );
<a name="l00075"></a>00075 item->setSelected( <span class="keyword">false</span> );
<a name="l00076"></a>00076 item->installEventFilter( <span class="keyword">this</span> );
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keywordflow">if</span> ( d->mItems.count() == 1 ) {
<a name="l00079"></a>00079 d->mSelectedItem = item;
<a name="l00080"></a>00080 } <span class="keywordflow">else</span> {
<a name="l00081"></a>00081 <span class="keywordflow">if</span> ( !d->mSelectedItem )
<a name="l00082"></a>00082 setSelected( item );
<a name="l00083"></a>00083 <span class="keywordflow">else</span>
<a name="l00084"></a>00084 d->mSelectedItem->setSelected( <span class="keyword">true</span> );
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="keywordtype">void</span> KWidgetList::removeItem( <span class="keywordtype">int</span> index )
<a name="l00090"></a>00090 {
<a name="l00091"></a>00091 <span class="keywordflow">if</span> ( index < 0 || index >= (<span class="keywordtype">int</span>)d->mItems.count() )
<a name="l00092"></a>00092 <span class="keywordflow">return</span>;
<a name="l00093"></a>00093
<a name="l00094"></a>00094 KWidgetListItem *item = d->mItems[ index ];
<a name="l00095"></a>00095 d->mItems.remove( item );
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keywordflow">if</span> ( d->mSelectedItem == item ) {
<a name="l00098"></a>00098 <span class="comment">// TODO: smarter selection</span>
<a name="l00099"></a>00099 <span class="keywordflow">if</span> ( !d->mItems.isEmpty() )
<a name="l00100"></a>00100 setSelected( d->mItems.first() );
<a name="l00101"></a>00101 <span class="keywordflow">else</span>
<a name="l00102"></a>00102 d->mSelectedItem = 0;
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keyword">delete</span> item;
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keywordflow">if</span> ( d->mItems.count() == 1 )
<a name="l00108"></a>00108 d->mItems.first()->setSelected( <span class="keyword">false</span> );
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordtype">void</span> KWidgetList::takeItem( KWidgetListItem *item )
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 d->mItems.remove( item );
<a name="l00114"></a>00114 item->reparent( 0, 0, QPoint( 0, 0 ) );
<a name="l00115"></a>00115 item->removeEventFilter( <span class="keyword">this</span> );
<a name="l00116"></a>00116 item->hide();
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="keywordflow">if</span> ( d->mSelectedItem == item ) {
<a name="l00119"></a>00119 <span class="comment">// TODO: smarter selection</span>
<a name="l00120"></a>00120 <span class="keywordflow">if</span> ( !d->mItems.isEmpty() )
<a name="l00121"></a>00121 setSelected( d->mItems.first() );
<a name="l00122"></a>00122 <span class="keywordflow">else</span>
<a name="l00123"></a>00123 d->mSelectedItem = 0;
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keywordtype">void</span> KWidgetList::setSelected( KWidgetListItem *item )
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 <span class="keywordflow">if</span> ( !item )
<a name="l00130"></a>00130 <span class="keywordflow">return</span>;
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="keywordflow">if</span> ( d->mItems.contains( item ) == 0 )
<a name="l00133"></a>00133 <span class="keywordflow">return</span>;
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordflow">if</span> ( d->mSelectedItem )
<a name="l00136"></a>00136 d->mSelectedItem->setSelected( <span class="keyword">false</span> );
<a name="l00137"></a>00137
<a name="l00138"></a>00138 item->setSelected( <span class="keyword">true</span> );
<a name="l00139"></a>00139 d->mSelectedItem = item;
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordtype">void</span> KWidgetList::setSelected( <span class="keywordtype">int</span> index )
<a name="l00143"></a>00143 {
<a name="l00144"></a>00144 setSelected( item( index ) );
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="keywordtype">bool</span> KWidgetList::isSelected( KWidgetListItem *item )<span class="keyword"> const</span>
<a name="l00148"></a>00148 <span class="keyword"></span>{
<a name="l00149"></a>00149 <span class="keywordflow">return</span> ( d->mSelectedItem == item );
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151
<a name="l00152"></a>00152 <span class="keywordtype">bool</span> KWidgetList::isSelected( <span class="keywordtype">int</span> index )<span class="keyword"> const</span>
<a name="l00153"></a>00153 <span class="keyword"></span>{
<a name="l00154"></a>00154 <span class="keywordflow">return</span> isSelected( item( index ) );
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 KWidgetListItem *KWidgetList::selectedItem()<span class="keyword"> const</span>
<a name="l00158"></a>00158 <span class="keyword"></span>{
<a name="l00159"></a>00159 <span class="keywordflow">return</span> d->mSelectedItem;
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161
<a name="l00162"></a>00162 KWidgetListItem *KWidgetList::item( <span class="keywordtype">int</span> index )<span class="keyword"> const</span>
<a name="l00163"></a>00163 <span class="keyword"></span>{
<a name="l00164"></a>00164 <span class="keywordflow">if</span> ( index < 0 || index >= (<span class="keywordtype">int</span>)d->mItems.count() )
<a name="l00165"></a>00165 <span class="keywordflow">return</span> 0;
<a name="l00166"></a>00166 <span class="keywordflow">else</span>
<a name="l00167"></a>00167 <span class="keywordflow">return</span> d->mItems[ index ];
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="keywordtype">int</span> KWidgetList::index( KWidgetListItem *item )<span class="keyword"> const</span>
<a name="l00171"></a>00171 <span class="keyword"></span>{
<a name="l00172"></a>00172 <span class="keywordflow">return</span> d->mItems.findIndex( item );
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174
<a name="l00175"></a>00175 <span class="keywordtype">void</span> KWidgetList::clear()
<a name="l00176"></a>00176 {
<a name="l00177"></a>00177 QValueList<KWidgetListItem*>::Iterator it;
<a name="l00178"></a>00178 <span class="keywordflow">for</span> ( it = d->mItems.begin(); it != d->mItems.end(); ++it )
<a name="l00179"></a>00179 <span class="keyword">delete</span> *it;
<a name="l00180"></a>00180
<a name="l00181"></a>00181 d->mItems.clear();
<a name="l00182"></a>00182
<a name="l00183"></a>00183 d->mSelectedItem = 0;
<a name="l00184"></a>00184 }
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="keywordtype">void</span> KWidgetList::setFocus()
<a name="l00187"></a>00187 {
<a name="l00188"></a>00188 viewport()->setFocus();
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="keywordtype">bool</span> KWidgetList::eventFilter( QObject *<span class="keywordtype">object</span>, QEvent *event )
<a name="l00192"></a>00192 {
<a name="l00193"></a>00193 <span class="keywordflow">if</span> ( event->type() == QEvent::MouseButtonPress ) {
<a name="l00194"></a>00194 QMouseEvent *mouseEvent = <span class="keyword">static_cast<</span>QMouseEvent*<span class="keyword">></span>( event );
<a name="l00195"></a>00195 <span class="keywordflow">if</span> ( mouseEvent->button() & LeftButton ) {
<a name="l00196"></a>00196 QValueList<KWidgetListItem*>::Iterator it;
<a name="l00197"></a>00197 <span class="keywordflow">for</span> ( it = d->mItems.begin(); it != d->mItems.end(); ++it ) {
<a name="l00198"></a>00198 <span class="keywordflow">if</span> ( *it == <span class="keywordtype">object</span> ) {
<a name="l00199"></a>00199 <span class="keywordflow">if</span> ( d->mItems.count() != 1 ) {
<a name="l00200"></a>00200 setSelected( *it );
<a name="l00201"></a>00201 emit selectionChanged( *it );
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205 }
<a name="l00206"></a>00206 }
<a name="l00207"></a>00207 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( event->type() == QEvent::MouseButtonDblClick ) {
<a name="l00208"></a>00208 QValueList<KWidgetListItem*>::Iterator it;
<a name="l00209"></a>00209 <span class="keywordflow">for</span> ( it = d->mItems.begin(); it != d->mItems.end(); ++it ) {
<a name="l00210"></a>00210 <span class="keywordflow">if</span> ( *it == <span class="keywordtype">object</span> ) {
<a name="l00211"></a>00211 <span class="keywordflow">if</span> ( d->mItems.count() != 1 ) {
<a name="l00212"></a>00212 setSelected( *it );
<a name="l00213"></a>00213 emit doubleClicked( *it );
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00216"></a>00216 }
<a name="l00217"></a>00217 }
<a name="l00218"></a>00218 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( event->type() == QEvent::KeyPress ) {
<a name="l00219"></a>00219 QKeyEvent *keyEvent = <span class="keyword">static_cast<</span>QKeyEvent*<span class="keyword">></span>( event );
<a name="l00220"></a>00220 <span class="keywordflow">if</span> ( keyEvent->key() == Qt::Key_Up ) {
<a name="l00221"></a>00221 <span class="keywordflow">if</span> ( d->mSelectedItem == 0 ) {
<a name="l00222"></a>00222 <span class="keywordflow">if</span> ( !d->mItems.isEmpty() ) {
<a name="l00223"></a>00223 setSelected( d->mItems.first() );
<a name="l00224"></a>00224 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < (int)d->mItems.count(); ++i ) {
<a name="l00229"></a>00229 <span class="keywordflow">if</span> ( d->mItems[ i ] == d->mSelectedItem ) {
<a name="l00230"></a>00230 <span class="keywordflow">if</span> ( ( i - 1 ) >= 0 ) {
<a name="l00231"></a>00231 setSelected( d->mItems[ i - 1 ] );
<a name="l00232"></a>00232 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00233"></a>00233 }
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00237"></a>00237 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( keyEvent->key() == Qt::Key_Down ) {
<a name="l00238"></a>00238 <span class="keywordflow">if</span> ( d->mSelectedItem == 0 ) {
<a name="l00239"></a>00239 <span class="keywordflow">if</span> ( !d->mItems.isEmpty() ) {
<a name="l00240"></a>00240 setSelected( d->mItems.last() );
<a name="l00241"></a>00241 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244
<a name="l00245"></a>00245 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < (int)d->mItems.count(); ++i )
<a name="l00246"></a>00246 <span class="keywordflow">if</span> ( d->mItems[ i ] == d->mSelectedItem ) {
<a name="l00247"></a>00247 <span class="keywordflow">if</span> ( ( i + 1 ) < (int)d->mItems.count() ) {
<a name="l00248"></a>00248 setSelected( d->mItems[ i + 1 ] );
<a name="l00249"></a>00249 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00250"></a>00250 }
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254 }
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <span class="keywordflow">return</span> QScrollView::eventFilter( <span class="keywordtype">object</span>, event );
<a name="l00257"></a>00257 }
<a name="l00258"></a>00258
<a name="l00259"></a>00259 KWidgetListItem::KWidgetListItem( KWidgetList *parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name )
<a name="l00260"></a>00260 : QWidget( parent, name )
<a name="l00261"></a>00261 {
<a name="l00262"></a>00262 mForegroundColor = KGlobalSettings::textColor();
<a name="l00263"></a>00263 mBackgroundColor = KGlobalSettings::baseColor();
<a name="l00264"></a>00264 mSelectionForegroundColor = KGlobalSettings::highlightedTextColor();
<a name="l00265"></a>00265 mSelectionBackgroundColor = KGlobalSettings::highlightColor();
<a name="l00266"></a>00266
<a name="l00267"></a>00267 setFocusPolicy( QWidget::StrongFocus );
<a name="l00268"></a>00268 }
<a name="l00269"></a>00269
<a name="l00270"></a>00270 KWidgetListItem::~KWidgetListItem()
<a name="l00271"></a>00271 {
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <span class="keywordtype">void</span> KWidgetListItem::setSelected( <span class="keywordtype">bool</span> select )
<a name="l00275"></a>00275 {
<a name="l00276"></a>00276 <span class="keywordflow">if</span> ( select ) {
<a name="l00277"></a>00277 setPaletteForegroundColor( mSelectionForegroundColor );
<a name="l00278"></a>00278 setPaletteBackgroundColor( mSelectionBackgroundColor );
<a name="l00279"></a>00279 } <span class="keywordflow">else</span> {
<a name="l00280"></a>00280 setPaletteForegroundColor( mForegroundColor );
<a name="l00281"></a>00281 setPaletteBackgroundColor( mBackgroundColor );
<a name="l00282"></a>00282 }
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284
<a name="l00285"></a>00285 <span class="keywordtype">void</span> KWidgetListItem::setForegroundColor( <span class="keyword">const</span> QColor &color )
<a name="l00286"></a>00286 {
<a name="l00287"></a>00287 mForegroundColor = color;
<a name="l00288"></a>00288 }
<a name="l00289"></a>00289
<a name="l00290"></a>00290 <span class="keywordtype">void</span> KWidgetListItem::setBackgroundColor( <span class="keyword">const</span> QColor &color )
<a name="l00291"></a>00291 {
<a name="l00292"></a>00292 mBackgroundColor = color;
<a name="l00293"></a>00293 }
<a name="l00294"></a>00294
<a name="l00295"></a>00295 <span class="keywordtype">void</span> KWidgetListItem::setSelectionForegroundColor( <span class="keyword">const</span> QColor &color )
<a name="l00296"></a>00296 {
<a name="l00297"></a>00297 mSelectionForegroundColor = color;
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299
<a name="l00300"></a>00300 <span class="keywordtype">void</span> KWidgetListItem::setSelectionBackgroundColor( <span class="keyword">const</span> QColor &color )
<a name="l00301"></a>00301 {
<a name="l00302"></a>00302 mSelectionBackgroundColor = color;
<a name="l00303"></a>00303 }
<a name="l00304"></a>00304
<a name="l00305"></a>00305 <span class="preprocessor">#include "kwidgetlist.moc"</span>
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