demos/shared/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
 129     bool m_show_doc;
 130     bool m_prefer_image;
 131     QTextDocument *m_document;
 132
 133     QString m_sourceFileName;
 134
 135 };
 136
 137 #endif