VideoVis  0.9
Generates a volume visualisation of a video
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arthurwidgets.h
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41 
42 #ifndef ARTHURWIDGETS_H
43 #define ARTHURWIDGETS_H
44 
45 #include "arthurstyle.h"
46 #include <QBitmap>
47 #include <QPushButton>
48 #include <QGroupBox>
49 
50 #if defined(QT_OPENGL_SUPPORT)
51 #include <QGLWidget>
52 #include <QEvent>
53 class GLWidget : public QGLWidget
54 {
55 public:
56  GLWidget(QWidget *parent)
57  : QGLWidget(QGLFormat(QGL::SampleBuffers), parent)
58  {
59  setAttribute(Qt::WA_AcceptTouchEvents);
60  }
61  void disableAutoBufferSwap() { setAutoBufferSwap(false); }
62  void paintEvent(QPaintEvent *) { parentWidget()->update(); }
63 protected:
64  bool event(QEvent *event)
65  {
66  switch (event->type()) {
67  case QEvent::TouchBegin:
68  case QEvent::TouchUpdate:
69  case QEvent::TouchEnd:
70  event->ignore();
71  return false;
72  break;
73  default:
74  break;
75  }
76  return QGLWidget::event(event);
77  }
78 };
79 #endif
80 
81 QT_FORWARD_DECLARE_CLASS(QTextDocument)
82 QT_FORWARD_DECLARE_CLASS(QTextEdit)
83 QT_FORWARD_DECLARE_CLASS(QVBoxLayout)
84 
85 class ArthurFrame : public QWidget
86 {
87  Q_OBJECT
88 public:
89  ArthurFrame(QWidget *parent);
90  virtual void paint(QPainter *) {}
91 
92 
93  void paintDescription(QPainter *p);
94 
95  void loadDescription(const QString &filename);
96  void setDescription(const QString &htmlDesc);
97 
98  void loadSourceFile(const QString &fileName);
99 
100  bool preferImage() const { return m_prefer_image; }
101 
102 #if defined(QT_OPENGL_SUPPORT)
103  QGLWidget *glWidget() const { return glw; }
104 #endif
105 
106 public slots:
107  void setPreferImage(bool pi) { m_prefer_image = pi; }
108  void setDescriptionEnabled(bool enabled);
109  void showSource();
110 
111 #if defined(QT_OPENGL_SUPPORT)
112  void enableOpenGL(bool use_opengl);
113  bool usesOpenGL() { return m_use_opengl; }
114 #endif
115 
116 signals:
117  void descriptionEnabledChanged(bool);
118 
119 protected:
120  void paintEvent(QPaintEvent *);
121  void resizeEvent(QResizeEvent *);
122 
123 #if defined(QT_OPENGL_SUPPORT)
124  GLWidget *glw;
125  bool m_use_opengl;
126 #endif
127  QPixmap m_tile;
128 
131  QTextDocument *m_document;
132 
134 
135 };
136 
137 #endif