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41 | |
42 | #ifndef QGRAPHICSLAYOUT_H |
43 | #define QGRAPHICSLAYOUT_H |
44 | |
45 | #include <QtGui/qgraphicslayoutitem.h> |
46 | |
47 | QT_BEGIN_HEADER |
48 | |
49 | QT_BEGIN_NAMESPACE |
50 | |
51 | QT_MODULE(Gui) |
52 | |
53 | #if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW |
54 | |
55 | class QGraphicsLayoutPrivate; |
56 | class QGraphicsLayoutItem; |
57 | class QGraphicsWidget; |
58 | |
59 | class Q_GUI_EXPORT QGraphicsLayout : public QGraphicsLayoutItem |
60 | { |
61 | public: |
62 | QGraphicsLayout(QGraphicsLayoutItem *parent = 0); |
63 | ~QGraphicsLayout(); |
64 | |
65 | void setContentsMargins(qreal left, qreal top, qreal right, qreal bottom); |
66 | void getContentsMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const; |
67 | |
68 | void activate(); |
69 | bool isActivated() const; |
70 | virtual void invalidate(); |
71 | virtual void updateGeometry(); |
72 | |
73 | virtual void widgetEvent(QEvent *e); |
74 | |
75 | virtual int count() const = 0; |
76 | virtual QGraphicsLayoutItem *itemAt(int i) const = 0; |
77 | virtual void removeAt(int index) = 0; |
78 | |
79 | static void setInstantInvalidatePropagation(bool enable); |
80 | static bool instantInvalidatePropagation(); |
81 | protected: |
82 | QGraphicsLayout(QGraphicsLayoutPrivate &, QGraphicsLayoutItem *); |
83 | void addChildLayoutItem(QGraphicsLayoutItem *layoutItem); |
84 | |
85 | private: |
86 | Q_DISABLE_COPY(QGraphicsLayout) |
87 | Q_DECLARE_PRIVATE(QGraphicsLayout) |
88 | friend class QGraphicsWidget; |
89 | }; |
90 | |
91 | Q_DECLARE_INTERFACE(QGraphicsLayout, "com.trolltech.Qt.QGraphicsLayout" ) |
92 | |
93 | #endif |
94 | |
95 | QT_END_NAMESPACE |
96 | |
97 | QT_END_HEADER |
98 | |
99 | #endif |
100 | |
101 | |