Filelight – graphical disk usage analyzer
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filelight/src/part/radialMap/widget.h

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//Author: Max Howell <max.howell@methylblue.com>, (C) 2004
//Copyright: See COPYING file that comes with this distribution
#ifndef WIDGET_H
#define WIDGET_H
#include <kurl.h>
#include <tqtimer.h>
#include "segmentTip.h"
template <class T> class Chain;
class Directory;
class File;
namespace KIO { class Job; }
class KURL;
namespace RadialMap
{
class Segment;
class Map : public KPixmap
{
public:
Map();
~Map();
void make( const Directory *, bool = false );
bool resize( const TQRect& );
bool isNull() const { return ( m_signature == 0 ); }
void tqinvalidate( const bool );
friend class Builder;
friend class Widget;
private:
void paint( uint = 1 );
void aaPaint();
void colorise();
void setRingBreadth();
Chain<Segment> *m_signature;
TQRect m_rect;
uint m_ringBreadth; ///ring breadth
uint m_innerRadius; ///radius of inner circle
uint m_visibleDepth; ///visible level depth of system
TQString m_centerText;
uint MAP_2MARGIN;
};
class Widget : public TQWidget
{
Q_OBJECT
TQ_OBJECT
public:
Widget( TQWidget* = 0, const char* = 0 );
~Widget() { delete m_tip; }
TQString path() const;
KURL url( File const * const = 0 ) const;
bool isValid() const { return m_tree != 0; }
friend class Label; //FIXME badness
public slots:
void zoomIn();
void zoomOut();
void create( const Directory* );
void tqinvalidate( const bool = true );
void refresh( int );
private slots:
void resizeTimeout();
void sendFakeMouseEvent();
void deleteJobFinished( KIO::Job* );
void createFromCache( const Directory* );
signals:
void activated( const KURL& );
void invalidated( const KURL& );
void created( const Directory* );
void mouseHover( const TQString& );
void giveMeTreeFor( const KURL& );
protected:
virtual void paintEvent( TQPaintEvent* );
virtual void resizeEvent( TQResizeEvent* );
virtual void mouseMoveEvent( TQMouseEvent* );
virtual void mousePressEvent( TQMouseEvent* );
virtual void dragEnterEvent( TQDragEnterEvent* );
virtual void dropEvent( TQDropEvent* );
protected:
const Segment *segmentAt( TQPoint& ) const; //FIXME const reference for a library others can use
const Segment *rootSegment() const { return m_rootSegment; } ///never == 0
const Segment *focusSegment() const { return m_focus; } ///0 == nothing in focus
private:
void paintExplodedLabels( TQPainter& ) const;
const Directory *m_tree;
const Segment *m_focus;
TQPoint m_offset;
TQTimer m_timer;
Map m_map;
SegmentTip *m_tip;
Segment *m_rootSegment;
};
}
#endif