diff options
Diffstat (limited to 'src/app/DiskUsage/radialMap/widgetEvents.cpp')
| -rw-r--r-- | src/app/DiskUsage/radialMap/widgetEvents.cpp | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/src/app/DiskUsage/radialMap/widgetEvents.cpp b/src/app/DiskUsage/radialMap/widgetEvents.cpp new file mode 100644 index 0000000..0cc11af --- /dev/null +++ b/src/app/DiskUsage/radialMap/widgetEvents.cpp @@ -0,0 +1,241 @@ +//Author: Max Howell <max.howell@methylblue.com>, (C) 2003-4 +//Copyright: See COPYING file that comes with this distribution + +#include "fileTree.h" +#include "radialMap.h" //class Segment +#include "widget.h" + +#include <kcursor.h> //::mouseMoveEvent() +#include <kiconeffect.h> //::mousePressEvent() +#include <kiconloader.h> //::mousePressEvent() +#include <tdeio/job.h> //::mousePressEvent() +#include <tdelocale.h> +#include <tdemessagebox.h> //::mousePressEvent() +#include <tdepopupmenu.h> //::mousePressEvent() +#include <krun.h> //::mousePressEvent() +#include <math.h> //::segmentAt() +#include <tqapplication.h>//TQApplication::setOverrideCursor() +#include <tqpainter.h> +#include <tqtimer.h> //::resizeEvent() + + + +void +RadialMap::Widget::resizeEvent( TQResizeEvent* ) +{ + if( m_map.resize( rect() ) ) + m_timer.start( 500, true ); //will cause signature to rebuild for new size + + //always do these as they need to be initialised on creation + m_offset.rx() = (width() - m_map.width()) / 2; + m_offset.ry() = (height() - m_map.height()) / 2; +} + +void +RadialMap::Widget::paintEvent( TQPaintEvent* ) +{ + //bltBit for some TQt setups will bitBlt _after_ the labels are painted. Which buggers things up! + //shame as bitBlt is faster, possibly TQt bug? Should report the bug? - seems to be race condition + //bitBlt( this, m_offset, &m_map ); + + TQPainter paint( this ); + + paint.drawPixmap( m_offset, m_map ); + + //vertical strips + if( m_map.width() < width() ) + { + paint.eraseRect( 0, 0, m_offset.x(), height() ); + paint.eraseRect( m_map.width() + m_offset.x(), 0, m_offset.x() + 1, height() ); + } + //horizontal strips + if( m_map.height() < height() ) + { + paint.eraseRect( 0, 0, width(), m_offset.y() ); + paint.eraseRect( 0, m_map.height() + m_offset.y(), width(), m_offset.y() + 1 ); + } + + //exploded labels + if( !m_map.isNull() && !m_timer.isActive() ) + paintExplodedLabels( paint ); +} + +const RadialMap::Segment* +RadialMap::Widget::segmentAt( TQPoint &e ) const +{ + //determine which segment TQPoint e is above + + e -= m_offset; + + if( e.x() <= m_map.width() && e.y() <= m_map.height() ) + { + //transform to cartesian coords + e.rx() -= m_map.width() / 2; //should be an int + e.ry() = m_map.height() / 2 - e.y(); + + double length = hypot( e.x(), e.y() ); + + if( length >= m_map.m_innerRadius ) //not hovering over inner circle + { + uint depth = ((int)length - m_map.m_innerRadius) / m_map.m_ringBreadth; + + if( depth <= m_map.m_visibleDepth ) //**** do earlier since you can //** check not outside of range + { + //vector calculation, reduces to simple trigonometry + //cos angle = (aibi + ajbj) / albl + //ai = x, bi=1, aj=y, bj=0 + //cos angle = x / (length) + + uint a = (uint)(acos( (double)e.x() / length ) * 916.736); //916.7324722 = #radians in circle * 16 + + //acos only understands 0-180 degrees + if( e.y() < 0 ) a = 5760 - a; + + #define ring (m_map.m_signature + depth) + for( ConstIterator<Segment> it = ring->constIterator(); it != ring->end(); ++it ) + if( (*it)->intersects( a ) ) + return *it; + #undef ring + } + } + else return m_rootSegment; //hovering over inner circle + } + + return 0; +} + +void +RadialMap::Widget::mouseMoveEvent( TQMouseEvent *e ) +{ + //set m_focus to what we hover over, update UI if it's a new segment + + Segment const * const oldFocus = m_focus; + TQPoint p = e->pos(); + + m_focus = segmentAt( p ); //NOTE p is passed by non-const reference + + if( m_focus && m_focus->file() != m_tree ) + { + if( m_focus != oldFocus ) //if not same as last time + { + setCursor( KCursor::handCursor() ); + m_tip.updateTip( m_focus->file(), m_tree ); + emit mouseHover( m_focus->file()->fullPath() ); + + //repaint required to update labels now before transparency is generated + repaint( false ); + } + + m_tip.moveto( e->globalPos(), *this, ( p.y() < 0 ) ); //updates tooltip psuedo-tranparent background + } + else if( oldFocus && oldFocus->file() != m_tree ) + { + unsetCursor(); + m_tip.hide(); + update(); + + emit mouseHover( TQString() ); + } +} + +void +RadialMap::Widget::mousePressEvent( TQMouseEvent *e ) +{ + //m_tip is hidden already by event filter + //m_focus is set correctly (I've been strict, I assure you it is correct!) + + if( m_focus && !m_focus->isFake() ) + { + const KURL url = Widget::url( m_focus->file() ); + const bool isDir = m_focus->file()->isDir(); + + if( e->button() == TQt::RightButton ) + { + TDEPopupMenu popup; + popup.insertTitle( m_focus->file()->fullPath( m_tree ) ); + + if( isDir ) + { + popup.insertItem( SmallIconSet( "konqueror" ), i18n( "Open &Konqueror Here" ), 0 ); + if( url.protocol() == "file" ) + popup.insertItem( SmallIconSet( "konsole" ), i18n( "Open &Konsole Here" ), 1 ); + + if( m_focus->file() != m_tree ) + { + popup.insertSeparator(); + popup.insertItem( SmallIconSet( "viewmag" ), i18n( "&Center Map Here" ), 2 ); + } + } + else popup.insertItem( SmallIconSet( "document-open" ), i18n( "&Open" ), 3 ); + + popup.insertSeparator(); + popup.insertItem( SmallIconSet( "edit-delete" ), i18n( "&Delete" ), 4 ); + + switch( popup.exec( e->globalPos(), 1 ) ) { + case 0: + //KRun::runCommand will show an error message if there was trouble + KRun::runCommand( TQString( "kfmclient openURL '%1'" ).arg( url.url() ) ); + break; + + case 1: + KRun::runCommand( TQString( "konsole --workdir '%1'" ).arg( url.url() ) ); + break; + + case 2: + case 3: + goto sectionTwo; + + case 4: + { + const KURL url = Widget::url( m_focus->file() ); + const TQString message = ( m_focus->file()->isDir() + ? i18n( "<qt>The directory at <i>'%1'</i> will be <b>recursively</b> and <b>permanently</b> deleted!</qt>" ) + : i18n( "<qt><i>'%1'</i> will be <b>permanently</b> deleted!</qt>" )).arg( url.prettyURL() ); + const int userIntention = KMessageBox::warningContinueCancel( this, message, TQString(), KGuiItem( i18n("&Delete"), "edit-delete" ) ); + + if( userIntention == KMessageBox::Continue ) { + TDEIO::Job *job = TDEIO::del( url ); + job->setWindow( this ); + connect( job, TQ_SIGNAL(result( TDEIO::Job* )), TQ_SLOT(deleteJobFinished( TDEIO::Job* )) ); + TQApplication::setOverrideCursor( KCursor::workingCursor() ); + } + } + + default: + //ensure m_focus is set for new mouse position + sendFakeMouseEvent(); + } + + } else { + + sectionTwo: + + const TQRect rect( e->x() - 20, e->y() - 20, 40, 40 ); + + m_tip.hide(); //user expects this + + if( !isDir || e->button() == TQt::MidButton ) + { + TDEIconEffect::visualActivate( this, rect ); + new KRun( url, this, true ); //FIXME see above + } + else if( m_focus->file() != m_tree ) //is left mouse button + { + TDEIconEffect::visualActivate( this, rect ); + emit activated( url ); //activate first, this will cause UI to prepare itself + if( m_focus ) + createFromCache( (Directory *)m_focus->file() ); + } + } + } +} + +void +RadialMap::Widget::deleteJobFinished( TDEIO::Job *job ) +{ + TQApplication::restoreOverrideCursor(); + if( !job->error() ) + invalidate(); + else + job->showErrorDialog( this ); +} |