timeline.h

   1 #ifndef TIMELINE_H
   2 #define TIMELINE_H
   3
   4 #include <QtGui>
   5
   6 class Task;
   7
   8 class HitItem : public QObject,  public QGraphicsItem {
   9     Q_OBJECT;
  10 public:
  11     HitItem(const Task* t, const QDateTime& timestamp, int duration, const QString& subtask, QGraphicsItem* parent = 0);
  12     QRectF boundingRect() const { return m_rect; }
  13     void paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0 );
  14     const Task* task() const { return m_task; }
  15     void commitChanges();
  16     QDateTime timestamp() const { return m_t; }
  17     QDateTime newTimestamp() const { return m_newT; }
  18     int duration() const { return m_d; }
  19     int newDuration() const { return m_newD; }
  20     QString subtask() const { return m_subtask; }
  21 protected:
  22     void mousePressEvent(QGraphicsSceneMouseEvent * event);
  23     void mouseReleaseEvent(QGraphicsSceneMouseEvent * event);
  24     void mouseMoveEvent(QGraphicsSceneMouseEvent * event);
  25     void hoverEnterEvent ( QGraphicsSceneHoverEvent * event );
  26     void hoverLeaveEvent ( QGraphicsSceneHoverEvent * event );
  27     void hoverMoveEvent ( QGraphicsSceneHoverEvent * event );
  28     void reshape();
  29 signals:
  30     void changed();
  31 private:
  32     const Task* m_task;
  33     QRectF m_rect;
  34     int m_d, m_newD;
  35     QDateTime m_t, m_newT;
  36     QString m_subtask;
  37     QPainterPath m_shape;
  38     QPen m_pen;
  39     QBrush m_bgbrush;
  40     QCursor m_savedCursor;
  41     QPointF m_lastPos;
  42     bool m_leftExtending, m_rightExtending, m_moving;
  43 };
  44
  45 class Timeline : public QGraphicsView
  46 {
  47     Q_OBJECT;
  48 public:
  49     Timeline(QWidget* parent = 0);
  50     ~Timeline();
  51     void setPeriod(const QDateTime& from, const QDateTime& to);
  52 signals:
  53     void hitSelected(HitItem*);
  54 public slots:
  55     void selectionChanged();
  56 protected:
  57     void keyPressEvent(QKeyEvent* e);
  58     void wheelEvent(QWheelEvent* e);
  59     void mousePressEvent(QMouseEvent* e);
  60     void mouseReleaseEvent(QMouseEvent* e);
  61     void mouseMoveEvent(QMouseEvent* e);
  62 private:
  63     QGraphicsItemGroup* m_cursor;
  64     QGraphicsTextItem* m_cursorText;
  65     QGraphicsLineItem* m_cursorLine;
  66     QGraphicsRectItem* m_bg;
  67     QPoint m_pos;
  68     bool m_moving;
  69 };
  70
  71 #endif // TIMELINE_H