File indexing completed on 2024-05-19 16:52:04

 /*
     SPDX-FileCopyrightText: 2004 Max Howell <max.howell@methylblue.com>
     SPDX-FileCopyrightText: 2004-2022 Krusader Krew <https://krusader.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef WIDGET_H
 #define WIDGET_H
 
 // QtCore
 #include <QTimer>
 #include <QUrl>
 // QtGui
 #include <QMouseEvent>
 #include <QPaintEvent>
 #include <QResizeEvent>
 
 #include "segmentTip.h"
 
 template<class T>
 class Chain;
 class Directory;
 class File;
 class KJob;
 
 namespace RadialMap
 {
 class Segment;
 
 class Map : public QPixmap
 {
 public:
     Map();
     ~Map() override;
 
     void make(const Directory *, bool = false);
     bool resize(const QRect &);
 
     bool isNull() const
     {
         return (m_signature == nullptr);
     }
     void invalidate(const bool);
 
     friend class Builder;
     friend class Widget;
 
 private:
     void paint(uint = 1);
     void aaPaint();
     void colorise();
     void setRingBreadth();
 
     Chain<Segment> *m_signature;
 
     QRect m_rect;
     uint m_ringBreadth; /// ring breadth
     uint m_innerRadius; /// radius of inner circle
     uint m_visibleDepth; /// visible level depth of system
     QString m_centerText;
 
     uint MAP_2MARGIN;
 };
 
 class Widget : public QWidget
 {
     Q_OBJECT
 
 public:
     explicit Widget(QWidget * = nullptr);
 
     QString path() const;
     QUrl url(File const *const = nullptr) const;
 
     bool isValid() const
     {
         return m_tree != nullptr;
     }
 
     friend struct Label; // FIXME badness
 
 public slots:
     void zoomIn();
     void zoomOut();
     void create(const Directory *);
     void invalidate(const bool = true);
     void refresh(int);
 
 private slots:
     void resizeTimeout();
     void sendFakeMouseEvent();
     void deleteJobFinished(KJob *);
     void createFromCache(const Directory *);
 
 signals:
     void activated(const QUrl &);
     void invalidated(const QUrl &);
     void created(const Directory *);
     void mouseHover(const QString &);
 
 protected:
     void paintEvent(QPaintEvent *) override;
     void resizeEvent(QResizeEvent *) override;
     void mouseMoveEvent(QMouseEvent *) override;
     void mousePressEvent(QMouseEvent *) override;
 
 protected:
     const Segment *segmentAt(QPoint &) 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(QPainter &) const;
 
     const Directory *m_tree;
     const Segment *m_focus;
     QPoint m_offset;
     QTimer m_timer;
     Map m_map;
     SegmentTip m_tip;
     Segment *m_rootSegment;
 };
 }
 
 #endif