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00019 #include <tdeapplication.h>
00020 #include <tdeconfig.h>
00021 #include <tdeglobal.h>
00022
00023 #include "kclipboard.h"
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00041 class TDEClipboardSynchronizer::MimeSource : public TQMimeSource
00042 {
00043 public:
00044 MimeSource( const TQMimeSource * src )
00045 : TQMimeSource(),
00046 m_formats( true )
00047 {
00048 m_formats.setAutoDelete( true );
00049 m_data.setAutoDelete( true );
00050
00051 if ( src )
00052 {
00053 TQByteArray *byteArray;
00054 const char *format;
00055 int i = 0;
00056 while ( (format = src->format( i++ )) )
00057 {
00058 byteArray = new TQByteArray();
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 TQByteArray encodedData( const char *format ) const
00078 {
00079 int index = m_formats.find( format );
00080 if ( index > -1 )
00081 return *(m_data.at( index ));
00082
00083 return TQByteArray();
00084 }
00085
00086 private:
00087 mutable TQStrList m_formats;
00088 mutable TQPtrList<TQByteArray> m_data;
00089 };
00090
00091
00092 TDEClipboardSynchronizer * TDEClipboardSynchronizer::s_self = 0L;
00093 bool TDEClipboardSynchronizer::s_sync = false;
00094 bool TDEClipboardSynchronizer::s_reverse_sync = false;
00095 bool TDEClipboardSynchronizer::s_blocked = false;
00096
00097 TDEClipboardSynchronizer * TDEClipboardSynchronizer::self()
00098 {
00099 if ( !s_self )
00100 s_self = new TDEClipboardSynchronizer( TQT_TQOBJECT(kapp), "KDE Clipboard" );
00101
00102 return s_self;
00103 }
00104
00105 TDEClipboardSynchronizer::TDEClipboardSynchronizer( TQObject *parent, const char *name )
00106 : TQObject( parent, name )
00107 {
00108 s_self = this;
00109
00110 TDEConfigGroup config( TDEGlobal::config(), "General" );
00111 s_sync = config.readBoolEntry( "SynchronizeClipboardAndSelection", s_sync);
00112 s_reverse_sync = config.readBoolEntry( "ClipboardSetSelection",
00113 s_reverse_sync );
00114
00115 setupSignals();
00116 }
00117
00118 TDEClipboardSynchronizer::~TDEClipboardSynchronizer()
00119 {
00120 if ( s_self == this )
00121 s_self = 0L;
00122 }
00123
00124 void TDEClipboardSynchronizer::setupSignals()
00125 {
00126 TQClipboard *clip = TQApplication::clipboard();
00127 disconnect( clip, NULL, this, NULL );
00128 if( s_sync )
00129 connect( clip, TQT_SIGNAL( selectionChanged() ),
00130 TQT_SLOT( slotSelectionChanged() ));
00131 if( s_reverse_sync )
00132 connect( clip, TQT_SIGNAL( dataChanged() ),
00133 TQT_SLOT( slotClipboardChanged() ));
00134 }
00135
00136 void TDEClipboardSynchronizer::slotSelectionChanged()
00137 {
00138 TQClipboard *clip = TQApplication::clipboard();
00139
00140
00141 if ( s_blocked || !clip->ownsSelection() )
00142 return;
00143
00144 setClipboard( new MimeSource( clip->data( TQClipboard::Selection) ),
00145 TQClipboard::Clipboard );
00146 }
00147
00148 void TDEClipboardSynchronizer::slotClipboardChanged()
00149 {
00150 TQClipboard *clip = TQApplication::clipboard();
00151
00152
00153 if ( s_blocked || !clip->ownsClipboard() )
00154 return;
00155
00156 setClipboard( new MimeSource( clip->data( TQClipboard::Clipboard ) ),
00157 TQClipboard::Selection );
00158 }
00159
00160 void TDEClipboardSynchronizer::setClipboard( TQMimeSource *data, TQClipboard::Mode mode )
00161 {
00162
00163
00164 TQClipboard *clip = TQApplication::clipboard();
00165
00166 s_blocked = true;
00167
00168 if ( mode == TQClipboard::Clipboard )
00169 {
00170 clip->setData( data, TQClipboard::Clipboard );
00171 }
00172 else if ( mode == TQClipboard::Selection )
00173 {
00174 clip->setData( data, TQClipboard::Selection );
00175 }
00176
00177 s_blocked = false;
00178 }
00179
00180 void TDEClipboardSynchronizer::setSynchronizing( bool sync )
00181 {
00182 s_sync = sync;
00183 self()->setupSignals();
00184 }
00185
00186 void TDEClipboardSynchronizer::setReverseSynchronizing( bool enable )
00187 {
00188 s_reverse_sync = enable;
00189 self()->setupSignals();
00190 }
00191
00192
00193 void TDEClipboardSynchronizer::newConfiguration( int config )
00194 {
00195 s_sync = (config & Synchronize);
00196 self()->setupSignals();
00197 }
00198
00199 #include "kclipboard.moc"