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47 QT_FORWARD_DECLARE_CLASS(QUndoStack)
48 QT_FORWARD_DECLARE_CLASS(QTextStream)
53 enum Type { Rectangle, Circle, Triangle };
55 Shape(Type type = Rectangle, const QColor &color = Qt::red, const QRect &rect = QRect());
60 QRect resizeHandle() const;
63 static QString typeToString(Type type);
64 static Type stringToType(const QString &s, bool *ok = 0);
66 static const QSize minSize;
74 friend class Document;
77 class Document : public QWidget
82 Document(QWidget *parent = 0);
84 QString addShape(const Shape &shape);
85 void deleteShape(const QString &shapeName);
86 Shape shape(const QString &shapeName) const;
87 QString currentShapeName() const;
89 void setShapeRect(const QString &shapeName, const QRect &rect);
90 void setShapeColor(const QString &shapeName, const QColor &color);
92 bool load(QTextStream &stream);
93 void save(QTextStream &stream);
95 QString fileName() const;
96 void setFileName(const QString &fileName);
98 QUndoStack *undoStack() const;
101 void currentShapeChanged(const QString &shapeName);
104 void paintEvent(QPaintEvent *event);
105 void mousePressEvent(QMouseEvent *event);
106 void mouseReleaseEvent(QMouseEvent *event);
107 void mouseMoveEvent(QMouseEvent *event);
110 void setCurrentShape(int index);
111 int indexOf(const QString &shapeName) const;
112 int indexAt(const QPoint &pos) const;
113 QString uniqueName(const QString &name) const;
115 QList<Shape> m_shapeList;
117 int m_mousePressIndex;
118 QPoint m_mousePressOffset;
119 bool m_resizeHandlePressed;
122 QUndoStack *m_undoStack;