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