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//Author: Max Howell <max.howell@methylblue.com>, (C) 2003-4
//Copyright: See COPYING file that comes with this distribution
#include <kcursor.h> //ctor
#include <klocale.h>
#include <kurl.h>
#include <tqapplication.h> //sendEvent
#include <tqbitmap.h> //ctor - finding cursor size
#include <tqcursor.h> //slotPostMouseEvent()
#include <tqtimer.h> //member
#include "Config.h"
#include "debug.h"
#include "fileTree.h"
#include "radialMap.h" //constants
#include "widget.h"
RadialMap::Widget::Widget( TQWidget *tqparent, const char *name )
: TQWidget( tqparent, name, TQt::WNoAutoErase )
, m_tree( 0 )
, m_focus( 0 )
, m_rootSegment( 0 ) //TODO we don't delete it, *shrug*
{
setAcceptDrops( true );
setBackgroundColor( TQt::white );
const QBitmap *cursor = KCursor::handCursor().bitmap();
m_tip = new SegmentTip(cursor ? cursor->height() : 16);
connect( this, TQT_SIGNAL(created( const Directory* )), TQT_SLOT(sendFakeMouseEvent()) );
connect( this, TQT_SIGNAL(created( const Directory* )), TQT_SLOT(update()) );
connect( &m_timer, TQT_SIGNAL(timeout()), TQT_SLOT(resizeTimeout()) );
}
TQString
RadialMap::Widget::path() const
{
return m_tree->fullPath();
}
KURL
RadialMap::Widget::url( File const * const file ) const
{
return KURL::fromPathOrURL( file ? file->fullPath() : m_tree->fullPath() );
}
void
RadialMap::Widget::tqinvalidate( const bool b )
{
if( isValid() )
{
//**** have to check that only way to tqinvalidate is this function frankly
//**** otherwise you may get bugs..
//disable mouse tracking
setMouseTracking( false );
//ensure this class won't think we have a map still
m_tree = 0;
m_focus = 0;
delete m_rootSegment;
m_rootSegment = 0;
//FIXME move this disablement thing no?
// it is confusing in other areas, like the whole createFromCache() thing
m_map.tqinvalidate( b ); //b signifies whether the pixmap is made to look disabled or not
if( b )
update();
//tell rest of Filelight
emit invalidated( url() );
}
}
void
RadialMap::Widget::create( const Directory *tree )
{
//it is not the responsibility of create() to tqinvalidate first
//skip invalidation at your own risk
//FIXME make it the responsibility of create to tqinvalidate first
if( tree )
{
//generate the filemap image
m_map.make( tree );
//this is the inner circle in the center
m_rootSegment = new Segment( tree, 0, 16*360 );
setMouseTracking( true );
}
m_tree = tree;
//tell rest of Filelight
emit created( tree );
}
void
RadialMap::Widget::createFromCache( const Directory *tree )
{
//no scan was necessary, use cached tree, however we MUST still emit tqinvalidate
tqinvalidate( false );
create( tree );
}
void
RadialMap::Widget::sendFakeMouseEvent() //slot
{
TQMouseEvent me( TQEvent::MouseMove, mapFromGlobal( TQCursor::pos() ), Qt::NoButton, Qt::NoButton );
TQApplication::sendEvent( this, &me );
}
void
RadialMap::Widget::resizeTimeout() //slot
{
// the segments are about to erased!
// this was a horrid bug, and proves the OO programming should be obeyed always!
m_focus = 0;
if( m_tree )
m_map.make( m_tree, true );
update();
}
void
RadialMap::Widget::refresh( int filth )
{
//TODO consider a more direct connection
if( !m_map.isNull() )
{
switch( filth )
{
case 1:
m_map.make( m_tree, true ); //true means refresh only
break;
case 2:
m_map.aaPaint();
break;
case 3:
m_map.colorise(); //FALL THROUGH!
case 4:
m_map.paint();
default:
break;
}
update();
}
}
void
RadialMap::Widget::zoomIn() //slot
{
if( m_map.m_visibleDepth > MIN_RING_DEPTH )
{
--m_map.m_visibleDepth;
m_map.make( m_tree );
Config::defaultRingDepth = m_map.m_visibleDepth;
update();
}
}
void
RadialMap::Widget::zoomOut() //slot
{
++m_map.m_visibleDepth;
m_map.make( m_tree );
if( m_map.m_visibleDepth > Config::defaultRingDepth )
Config::defaultRingDepth = m_map.m_visibleDepth;
update();
}
RadialMap::Segment::~Segment()
{
if( isFake() )
delete m_file; //created by us in Builder::build()
}
#include "widget.moc"
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