kclipboard.cpp
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00019 #include <kapplication.h>
00020 #include <kconfig.h>
00021 #include <kglobal.h>
00022
00023 #include "kclipboard.h"
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00041 class KClipboardSynchronizer::MimeSource : public QMimeSource
00042 {
00043 public:
00044 MimeSource( const QMimeSource * src )
00045 : QMimeSource(),
00046 m_formats( true )
00047 {
00048 m_formats.setAutoDelete( true );
00049 m_data.setAutoDelete( true );
00050
00051 if ( src )
00052 {
00053 QByteArray *byteArray;
00054 const char *format;
00055 int i = 0;
00056 while ( (format = src->format( i++ )) )
00057 {
00058 byteArray = new QByteArray();
00059 *byteArray = src->encodedData( format ).copy();
00060 m_data.append( byteArray );
00061 m_formats.append( format );
00062 }
00063 }
00064 }
00065
00066 ~MimeSource() {}
00067
00068 virtual const char *format( int i ) const {
00069 if ( i < (int) m_formats.count() )
00070 return m_formats.at( i );
00071 else
00072 return 0L;
00073 }
00074 virtual bool provides( const char *mimeType ) const {
00075 return ( m_formats.find( mimeType ) > -1 );
00076 }
00077 virtual QByteArray encodedData( const char *format ) const
00078 {
00079 int index = m_formats.find( format );
00080 if ( index > -1 )
00081 {
00082
00083
00084 QPtrList<QByteArray> *list =
00085 const_cast<QPtrList<QByteArray> *>( &m_data );
00086 return *(list->at( index ));
00087 }
00088
00089 return QByteArray();
00090 }
00091
00092 private:
00093 mutable QStrList m_formats;
00094 QPtrList<QByteArray> m_data;
00095 };
00096
00097
00098 KClipboardSynchronizer * KClipboardSynchronizer::s_self = 0L;
00099 bool KClipboardSynchronizer::s_sync = false;
00100 bool KClipboardSynchronizer::s_reverse_sync = false;
00101 bool KClipboardSynchronizer::s_blocked = false;
00102
00103 KClipboardSynchronizer * KClipboardSynchronizer::self()
00104 {
00105 if ( !s_self )
00106 s_self = new KClipboardSynchronizer( kapp, "KDE Clipboard" );
00107
00108 return s_self;
00109 }
00110
00111 KClipboardSynchronizer::KClipboardSynchronizer( QObject *parent, const char *name )
00112 : QObject( parent, name )
00113 {
00114 s_self = this;
00115
00116 KConfigGroup config( KGlobal::config(), "General" );
00117 s_sync = config.readBoolEntry( "SynchronizeClipboardAndSelection", s_sync);
00118 s_reverse_sync = config.readBoolEntry( "ClipboardSetSelection",
00119 s_reverse_sync );
00120
00121 setupSignals();
00122 }
00123
00124 KClipboardSynchronizer::~KClipboardSynchronizer()
00125 {
00126 if ( s_self == this )
00127 s_self = 0L;
00128 }
00129
00130 void KClipboardSynchronizer::setupSignals()
00131 {
00132 QClipboard *clip = QApplication::clipboard();
00133 disconnect( clip, NULL, this, NULL );
00134 if( s_sync )
00135 connect( clip, SIGNAL( selectionChanged() ),
00136 SLOT( slotSelectionChanged() ));
00137 if( s_reverse_sync )
00138 connect( clip, SIGNAL( dataChanged() ),
00139 SLOT( slotClipboardChanged() ));
00140 }
00141
00142 void KClipboardSynchronizer::slotSelectionChanged()
00143 {
00144 QClipboard *clip = QApplication::clipboard();
00145
00146
00147 if ( s_blocked || !clip->ownsSelection() )
00148 return;
00149
00150 setClipboard( new MimeSource( clip->data( QClipboard::Selection) ),
00151 QClipboard::Clipboard );
00152 }
00153
00154 void KClipboardSynchronizer::slotClipboardChanged()
00155 {
00156 QClipboard *clip = QApplication::clipboard();
00157
00158
00159 if ( s_blocked || !clip->ownsClipboard() )
00160 return;
00161
00162 setClipboard( new MimeSource( clip->data( QClipboard::Clipboard ) ),
00163 QClipboard::Selection );
00164 }
00165
00166 void KClipboardSynchronizer::setClipboard( QMimeSource *data, QClipboard::Mode mode )
00167 {
00168
00169
00170 QClipboard *clip = QApplication::clipboard();
00171
00172 s_blocked = true;
00173
00174 if ( mode == QClipboard::Clipboard )
00175 {
00176 clip->setData( data, QClipboard::Clipboard );
00177 }
00178 else if ( mode == QClipboard::Selection )
00179 {
00180 clip->setData( data, QClipboard::Selection );
00181 }
00182
00183 s_blocked = false;
00184 }
00185
00186 void KClipboardSynchronizer::setSynchronizing( bool sync )
00187 {
00188 s_sync = sync;
00189 self()->setupSignals();
00190 }
00191
00192 void KClipboardSynchronizer::setReverseSynchronizing( bool enable )
00193 {
00194 s_reverse_sync = enable;
00195 self()->setupSignals();
00196 }
00197
00198
00199 void KClipboardSynchronizer::newConfiguration( int config )
00200 {
00201 s_sync = (config & Synchronize);
00202 self()->setupSignals();
00203 }
00204
00205 #include "kclipboard.moc"
This file is part of the documentation for kdelibs Version 3.1.5.