radialmap.h

LINUX 下, 以 QT/KDE 写的档案管理员

//Author:    Max Howell <[e-mail]>, (C) 2003-4
//Copyright: See COPYING file that comes with this distribution

#ifndef RADIALMAP_H
#define RADIALMAP_H

#include <qcolor.h>

class File;


namespace RadialMap
{
    class Segment //all angles are in 16ths of degrees
    {
    public:
        Segment( const File *f, uint s, uint l, bool isFake = false )
          : m_angleStart( s )
          , m_angleSegment( l )
          , m_file( f )
          , m_hasHiddenChildren( false )
          , m_fake( isFake ) {}
        ~Segment();

        uint          start() const { return m_angleStart; }
        uint         length() const { return m_angleSegment; }
        uint            end() const { return m_angleStart + m_angleSegment; }
        const File    *file() const { return m_file; }
        const QColor&   pen() const { return m_pen; }
        const QColor& brush() const { return m_brush; }

        bool isFake() const { return m_fake; }
        bool hasHiddenChildren() const { return m_hasHiddenChildren; }

        bool intersects( uint a ) const { return ( ( a >= start() ) && ( a < end() ) ); }

        friend class Map;
        friend class Builder;

    private:
        void setPalette( const QColor &p, const QColor &b ) { m_pen = p; m_brush = b; }

        const uint m_angleStart, m_angleSegment;
        const File* const m_file;
        QColor m_pen, m_brush;
        bool m_hasHiddenChildren;
        const bool m_fake;
    };
}


#ifndef PI
#define PI 3.141592653589793
#endif
#ifndef M_PI
#define M_PI 3.14159265358979323846264338327
#endif

#define MIN_RING_BREADTH 20
#define MAX_RING_BREADTH 60
#define DEFAULT_RING_DEPTH 4 //first level = 0
#define MIN_RING_DEPTH 0

#define LABEL_MAP_SPACER 7
#define LABEL_HMARGIN 10
#define LABEL_TEXT_HMARGIN 5
#define LABEL_TEXT_VMARGIN 0
#define LABEL_ANGLE_MARGIN 32
#define LABEL_MIN_ANGLE_FACTOR 0.05

#endif