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<h1>colorlistbox.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"> * kmail: KDE mail client</span>
<a name="l00003"></a>00003 <span class="comment"> * This file: Copyright (C) 2000 Espen Sand, espen@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"> */</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#include <qpainter.h></span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include <kcolordialog.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <kcolordrag.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="preprocessor">#include "colorlistbox.h"</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 ColorListBox::ColorListBox( QWidget *parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, WFlags f )
<a name="l00029"></a>00029 :KListBox( parent, name, f ), mCurrentOnDragEnter(-1)
<a name="l00030"></a>00030 {
<a name="l00031"></a>00031 connect( <span class="keyword">this</span>, SIGNAL(selected(<span class="keywordtype">int</span>)), <span class="keyword">this</span>, SLOT(newColor(<span class="keywordtype">int</span>)) );
<a name="l00032"></a>00032 setAcceptDrops( <span class="keyword">true</span>);
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keywordtype">void</span> ColorListBox::setEnabled( <span class="keywordtype">bool</span> state )
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 <span class="keywordflow">if</span>( state == isEnabled() )
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 <span class="keywordflow">return</span>;
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042
<a name="l00043"></a>00043 QListBox::setEnabled( state );
<a name="l00044"></a>00044 <span class="keywordflow">for</span>( uint i=0; i<count(); i++ )
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 updateItem( i );
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keywordtype">void</span> ColorListBox::setColor( uint index, <span class="keyword">const</span> QColor &color )
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <span class="keywordflow">if</span>( index < count() )
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 ColorListItem *colorItem = (ColorListItem*)item(index);
<a name="l00056"></a>00056 colorItem->setColor(color);
<a name="l00057"></a>00057 updateItem( colorItem );
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060
<a name="l00061"></a>00061
<a name="l00062"></a>00062 QColor ColorListBox::color( uint index )<span class="keyword"> const</span>
<a name="l00063"></a>00063 <span class="keyword"></span>{
<a name="l00064"></a>00064 <span class="keywordflow">if</span>( index < count() )
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 ColorListItem *colorItem = (ColorListItem*)item(index);
<a name="l00067"></a>00067 <span class="keywordflow">return</span>( colorItem->color() );
<a name="l00068"></a>00068 }
<a name="l00069"></a>00069 <span class="keywordflow">else</span>
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 <span class="keywordflow">return</span>( black );
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 }
<a name="l00074"></a>00074
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keywordtype">void</span> ColorListBox::newColor( <span class="keywordtype">int</span> index )
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="keywordflow">if</span>( isEnabled() == <span class="keyword">false</span> )
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <span class="keywordflow">return</span>;
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keywordflow">if</span>( (uint)index < count() )
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 QColor c = color( index );
<a name="l00086"></a>00086 <span class="keywordflow">if</span>( KColorDialog::getColor( c, <span class="keyword">this</span> ) != QDialog::Rejected )
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 setColor( index, c );
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091 }
<a name="l00092"></a>00092
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keywordtype">void</span> ColorListBox::dragEnterEvent( QDragEnterEvent *e )
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 <span class="keywordflow">if</span>( KColorDrag::canDecode(e) && isEnabled() )
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 mCurrentOnDragEnter = <a class="code" href="classCardView.html#2c22f3dd12392c1be3f98bb85943247c">currentItem</a>();
<a name="l00099"></a>00099 e->accept( <span class="keyword">true</span> );
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101 <span class="keywordflow">else</span>
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 mCurrentOnDragEnter = -1;
<a name="l00104"></a>00104 e->accept( <span class="keyword">false</span> );
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="keywordtype">void</span> ColorListBox::dragLeaveEvent( QDragLeaveEvent * )
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <span class="keywordflow">if</span>( mCurrentOnDragEnter != -1 )
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 <a class="code" href="classCardView.html#58054f1d4d44c5fd5a0f3b069103173f" title="Sets the CardViewItem item to the current item in the view.">setCurrentItem</a>( mCurrentOnDragEnter );
<a name="l00114"></a>00114 mCurrentOnDragEnter = -1;
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="keywordtype">void</span> ColorListBox::dragMoveEvent( QDragMoveEvent *e )
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 <span class="keywordflow">if</span>( KColorDrag::canDecode(e) && isEnabled() )
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 ColorListItem *item = (ColorListItem*)<a class="code" href="classCardView.html#6dd0a7e93a9664e3e340ef1f40789b24">itemAt</a>( e->pos() );
<a name="l00124"></a>00124 <span class="keywordflow">if</span>( item != 0 )
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 <a class="code" href="classCardView.html#58054f1d4d44c5fd5a0f3b069103173f" title="Sets the CardViewItem item to the current item in the view.">setCurrentItem</a> ( item );
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="keywordtype">void</span> ColorListBox::dropEvent( QDropEvent *e )
<a name="l00133"></a>00133 {
<a name="l00134"></a>00134 QColor color;
<a name="l00135"></a>00135 <span class="keywordflow">if</span>( KColorDrag::decode( e, color ) )
<a name="l00136"></a>00136 {
<a name="l00137"></a>00137 <span class="keywordtype">int</span> index = <a class="code" href="classCardView.html#2c22f3dd12392c1be3f98bb85943247c">currentItem</a>();
<a name="l00138"></a>00138 <span class="keywordflow">if</span>( index != -1 )
<a name="l00139"></a>00139 {
<a name="l00140"></a>00140 ColorListItem *colorItem = (ColorListItem*)item(index);
<a name="l00141"></a>00141 colorItem->setColor(color);
<a name="l00142"></a>00142 triggerUpdate( <span class="keyword">false</span> ); <span class="comment">// Redraw item</span>
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144 mCurrentOnDragEnter = -1;
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147
<a name="l00148"></a>00148
<a name="l00149"></a>00149
<a name="l00150"></a>00150 ColorListItem::ColorListItem( <span class="keyword">const</span> QString &text, <span class="keyword">const</span> QColor &color )
<a name="l00151"></a>00151 : QListBoxItem(), mColor( color ), mBoxWidth( 30 )
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153 setText( text );
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="keyword">const</span> QColor &ColorListItem::color( <span class="keywordtype">void</span> )
<a name="l00158"></a>00158 {
<a name="l00159"></a>00159 <span class="keywordflow">return</span>( mColor );
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="keywordtype">void</span> ColorListItem::setColor( <span class="keyword">const</span> QColor &color )
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165 mColor = color;
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="keywordtype">void</span> ColorListItem::paint( QPainter *p )
<a name="l00170"></a>00170 {
<a name="l00171"></a>00171 QFontMetrics fm = p->fontMetrics();
<a name="l00172"></a>00172 <span class="keywordtype">int</span> h = fm.height();
<a name="l00173"></a>00173
<a name="l00174"></a>00174 p->drawText( mBoxWidth+3*2, fm.ascent() + fm.leading()/2, text() );
<a name="l00175"></a>00175
<a name="l00176"></a>00176 p->setPen( Qt::black );
<a name="l00177"></a>00177 p->drawRect( 3, 1, mBoxWidth, h-1 );
<a name="l00178"></a>00178 p->fillRect( 4, 2, mBoxWidth-2, h-3, mColor );
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <span class="keywordtype">int</span> <a class="code" href="classCardViewItem.html#9b09c9e28c08daaef572e43cc3f3aa82">ColorListItem::height</a>(<span class="keyword">const</span> QListBox *lb )<span class="keyword"> const</span>
<a name="l00183"></a>00183 <span class="keyword"></span>{
<a name="l00184"></a>00184 <span class="keywordflow">return</span>( lb->fontMetrics().lineSpacing()+1 );
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="keywordtype">int</span> ColorListItem::width(<span class="keyword">const</span> QListBox *lb )<span class="keyword"> const</span>
<a name="l00189"></a>00189 <span class="keyword"></span>{
<a name="l00190"></a>00190 <span class="keywordflow">return</span>( mBoxWidth + lb->fontMetrics().width( text() ) + 6 );
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="preprocessor">#include "colorlistbox.moc"</span>
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