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cxTimelineWidget.h
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
5 All rights reserved.
6 
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
9 
10 1. Redistributions of source code must retain the above copyright notice,
11  this list of conditions and the following disclaimer.
12 
13 2. Redistributions in binary form must reproduce the above copyright notice,
14  this list of conditions and the following disclaimer in the documentation
15  and/or other materials provided with the distribution.
16 
17 3. Neither the name of the copyright holder nor the names of its contributors
18  may be used to endorse or promote products derived from this software
19  without specific prior written permission.
20 
21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
25 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 =========================================================================*/
32 
33 #ifndef CXTIMELINEWIDGET_H_
34 #define CXTIMELINEWIDGET_H_
35 
36 #include "cxResourceWidgetsExport.h"
37 
38 #include <QWidget>
39 
40 #include "vtkForwardDeclarations.h"
41 #include "cxForwardDeclarations.h"
42 #include "cxVector3D.h"
43 #include "cxPlaybackTime.h"
44 
45 
46 namespace cx
47 {
48 
59 class cxResourceWidgets_EXPORT TimelineWidget : public QWidget
60 {
61 Q_OBJECT
62 
63 public:
64  TimelineWidget(QWidget* parent);
65  virtual ~TimelineWidget();
66 
67 
68  void setEvents(std::vector<TimelineEvent> events);
69 // void setRegions(std::vector<std::pair<double, double> > validRegions);
70  void setRange(double start, double stop);
71  void setPos(double pos);
72  double getPos() const;
73 
74 signals:
75  void positionChanged();
76 
77 protected slots:
78 
79 protected:
80  virtual bool event(QEvent *event);
81  virtual void mousePressEvent(QMouseEvent* event);
82  virtual void mouseReleaseEvent(QMouseEvent* event);
83  virtual void mouseMoveEvent(QMouseEvent* event);
84  virtual void resizeEvent(QResizeEvent* evt);
85  virtual void paintEvent(QPaintEvent* event);
86  virtual QSize sizeHint() const;
87  QSize minimumSizeHint() const;
88 
89 private:
90  int mapTime2PlotX(double time) const;
91  double mapPlotX2Time(int plotX) const;
92  bool showHelp(QPoint pos);
93 
94  void setPositionFromScreenPos(int x, int y);
95  void createCompactingTransforms();
96  double findCompactedTime(double timeInterval, double totalUsedTime, double totalTime) const;
97 
98 // std::vector<std::pair<double, double> > mValidRegions;
99  std::vector<TimelineEvent> mEvents;
100  int mBorder;
101  double mStart, mStop, mPos;
102  QRect mFullArea;
103  QRect mPlotArea;
104  bool mCloseToGlyph;
105  int mTolerance_p;
106  QStringList mContinousEvents; //< list of all continous events, used for stacked display
107  std::vector<TimelineEvent> mNoncompactedIntervals;
108 // std::vector<QColor> mEventColors; ///< use to color continous events
109 
110  vtkPiecewiseFunctionPtr mBackward;
111  vtkPiecewiseFunctionPtr mForward;
112 
113 };
114 
115 } /* namespace cx */
116 
117 #endif /* CXTIMELINEWIDGET_H_ */
widget for displaying a timeline for events.
vtkSmartPointer< class vtkPiecewiseFunction > vtkPiecewiseFunctionPtr