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242 lines
7.8 KiB
242 lines
7.8 KiB
//Author: Max Howell <max.howell@methylblue.com>, (C) 2003-4
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//Copyright: See COPYING file that comes with this distribution
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#include "fileTree.h"
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#include "radialMap.h" //class Segment
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#include "widget.h"
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#include <kcursor.h> //::mouseMoveEvent()
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#include <kiconeffect.h> //::mousePressEvent()
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#include <kiconloader.h> //::mousePressEvent()
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#include <tdeio/job.h> //::mousePressEvent()
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#include <tdelocale.h>
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#include <tdemessagebox.h> //::mousePressEvent()
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#include <tdepopupmenu.h> //::mousePressEvent()
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#include <krun.h> //::mousePressEvent()
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#include <math.h> //::segmentAt()
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#include <tqapplication.h>//TQApplication::setOverrideCursor()
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#include <tqpainter.h>
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#include <tqtimer.h> //::resizeEvent()
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void
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RadialMap::Widget::resizeEvent( TQResizeEvent* )
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{
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if( m_map.resize( rect() ) )
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m_timer.start( 500, true ); //will cause signature to rebuild for new size
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//always do these as they need to be initialised on creation
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m_offset.rx() = (width() - m_map.width()) / 2;
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m_offset.ry() = (height() - m_map.height()) / 2;
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}
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void
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RadialMap::Widget::paintEvent( TQPaintEvent* )
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{
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//bltBit for some TQt setups will bitBlt _after_ the labels are painted. Which buggers things up!
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//shame as bitBlt is faster, possibly TQt bug? Should report the bug? - seems to be race condition
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//bitBlt( this, m_offset, &m_map );
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TQPainter paint( this );
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paint.drawPixmap( m_offset, m_map );
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//vertical strips
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if( m_map.width() < width() )
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{
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paint.eraseRect( 0, 0, m_offset.x(), height() );
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paint.eraseRect( m_map.width() + m_offset.x(), 0, m_offset.x() + 1, height() );
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}
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//horizontal strips
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if( m_map.height() < height() )
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{
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paint.eraseRect( 0, 0, width(), m_offset.y() );
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paint.eraseRect( 0, m_map.height() + m_offset.y(), width(), m_offset.y() + 1 );
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}
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//exploded labels
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if( !m_map.isNull() && !m_timer.isActive() )
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paintExplodedLabels( paint );
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}
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const RadialMap::Segment*
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RadialMap::Widget::segmentAt( TQPoint &e ) const
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{
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//determine which segment TQPoint e is above
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e -= m_offset;
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if( e.x() <= m_map.width() && e.y() <= m_map.height() )
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{
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//transform to cartesian coords
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e.rx() -= m_map.width() / 2; //should be an int
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e.ry() = m_map.height() / 2 - e.y();
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double length = hypot( e.x(), e.y() );
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if( length >= m_map.m_innerRadius ) //not hovering over inner circle
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{
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uint depth = ((int)length - m_map.m_innerRadius) / m_map.m_ringBreadth;
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if( depth <= m_map.m_visibleDepth ) //**** do earlier since you can //** check not outside of range
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{
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//vector calculation, reduces to simple trigonometry
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//cos angle = (aibi + ajbj) / albl
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//ai = x, bi=1, aj=y, bj=0
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//cos angle = x / (length)
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uint a = (uint)(acos( (double)e.x() / length ) * 916.736); //916.7324722 = #radians in circle * 16
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//acos only understands 0-180 degrees
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if( e.y() < 0 ) a = 5760 - a;
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#define ring (m_map.m_signature + depth)
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for( ConstIterator<Segment> it = ring->constIterator(); it != ring->end(); ++it )
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if( (*it)->intersects( a ) )
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return *it;
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#undef ring
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}
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}
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else return m_rootSegment; //hovering over inner circle
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}
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return 0;
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}
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void
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RadialMap::Widget::mouseMoveEvent( TQMouseEvent *e )
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{
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//set m_focus to what we hover over, update UI if it's a new segment
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Segment const * const oldFocus = m_focus;
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TQPoint p = e->pos();
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m_focus = segmentAt( p ); //NOTE p is passed by non-const reference
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if( m_focus && m_focus->file() != m_tree )
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{
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if( m_focus != oldFocus ) //if not same as last time
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{
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setCursor( KCursor::handCursor() );
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m_tip.updateTip( m_focus->file(), m_tree );
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emit mouseHover( m_focus->file()->fullPath() );
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//repaint required to update labels now before transparency is generated
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repaint( false );
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}
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m_tip.moveto( e->globalPos(), *this, ( p.y() < 0 ) ); //updates tooltip psuedo-tranparent background
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}
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else if( oldFocus && oldFocus->file() != m_tree )
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{
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unsetCursor();
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m_tip.hide();
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update();
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emit mouseHover( TQString() );
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}
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}
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void
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RadialMap::Widget::mousePressEvent( TQMouseEvent *e )
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{
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//m_tip is hidden already by event filter
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//m_focus is set correctly (I've been strict, I assure you it is correct!)
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if( m_focus && !m_focus->isFake() )
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{
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const KURL url = Widget::url( m_focus->file() );
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const bool isDir = m_focus->file()->isDir();
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if( e->button() == TQt::RightButton )
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{
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TDEPopupMenu popup;
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popup.insertTitle( m_focus->file()->fullPath( m_tree ) );
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if( isDir )
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{
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popup.insertItem( SmallIconSet( "konqueror" ), i18n( "Open &Konqueror Here" ), 0 );
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if( url.protocol() == "file" )
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popup.insertItem( SmallIconSet( "konsole" ), i18n( "Open &Konsole Here" ), 1 );
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if( m_focus->file() != m_tree )
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{
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popup.insertSeparator();
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popup.insertItem( SmallIconSet( "viewmag" ), i18n( "&Center Map Here" ), 2 );
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}
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}
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else popup.insertItem( SmallIconSet( "document-open" ), i18n( "&Open" ), 3 );
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popup.insertSeparator();
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popup.insertItem( SmallIconSet( "edit-delete" ), i18n( "&Delete" ), 4 );
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switch( popup.exec( e->globalPos(), 1 ) ) {
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case 0:
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//KRun::runCommand will show an error message if there was trouble
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KRun::runCommand( TQString( "kfmclient openURL '%1'" ).arg( url.url() ) );
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break;
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case 1:
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KRun::runCommand( TQString( "konsole --workdir '%1'" ).arg( url.url() ) );
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break;
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case 2:
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case 3:
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goto sectionTwo;
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case 4:
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{
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const KURL url = Widget::url( m_focus->file() );
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const TQString message = ( m_focus->file()->isDir()
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? i18n( "<qt>The directory at <i>'%1'</i> will be <b>recursively</b> and <b>permanently</b> deleted!</qt>" )
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: i18n( "<qt><i>'%1'</i> will be <b>permanently</b> deleted!</qt>" )).arg( url.prettyURL() );
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const int userIntention = KMessageBox::warningContinueCancel( this, message, TQString(), KGuiItem( i18n("&Delete"), "edit-delete" ) );
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if( userIntention == KMessageBox::Continue ) {
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TDEIO::Job *job = TDEIO::del( url );
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job->setWindow( this );
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connect( job, TQT_SIGNAL(result( TDEIO::Job* )), TQT_SLOT(deleteJobFinished( TDEIO::Job* )) );
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TQApplication::setOverrideCursor( KCursor::workingCursor() );
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}
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}
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default:
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//ensure m_focus is set for new mouse position
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sendFakeMouseEvent();
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}
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} else {
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sectionTwo:
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const TQRect rect( e->x() - 20, e->y() - 20, 40, 40 );
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m_tip.hide(); //user expects this
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if( !isDir || e->button() == TQt::MidButton )
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{
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TDEIconEffect::visualActivate( this, rect );
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new KRun( url, this, true ); //FIXME see above
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}
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else if( m_focus->file() != m_tree ) //is left mouse button
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{
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TDEIconEffect::visualActivate( this, rect );
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emit activated( url ); //activate first, this will cause UI to prepare itself
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if( m_focus )
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createFromCache( (Directory *)m_focus->file() );
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}
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}
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}
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}
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void
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RadialMap::Widget::deleteJobFinished( TDEIO::Job *job )
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{
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TQApplication::restoreOverrideCursor();
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if( !job->error() )
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invalidate();
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else
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job->showErrorDialog( this );
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}
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