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39
40#ifndef QGRAPHICSLINEARLAYOUT_H
41#define QGRAPHICSLINEARLAYOUT_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtWidgets/qgraphicsitem.h>
45#include <QtWidgets/qgraphicslayout.h>
46
47QT_REQUIRE_CONFIG(graphicsview);
48
49QT_BEGIN_NAMESPACE
50
51class QGraphicsLinearLayoutPrivate;
52
53class Q_WIDGETS_EXPORT QGraphicsLinearLayout : public QGraphicsLayout
54{
55public:
56 QGraphicsLinearLayout(QGraphicsLayoutItem *parent = nullptr);
57 QGraphicsLinearLayout(Qt::Orientation orientation, QGraphicsLayoutItem *parent = nullptr);
58 virtual ~QGraphicsLinearLayout();
59
60 void setOrientation(Qt::Orientation orientation);
61 Qt::Orientation orientation() const;
62
63 inline void addItem(QGraphicsLayoutItem *item) { insertItem(-1, item); }
64 inline void addStretch(int stretch = 1) { insertStretch(-1, stretch); }
65
66 void insertItem(int index, QGraphicsLayoutItem *item);
67 void insertStretch(int index, int stretch = 1);
68
69 void removeItem(QGraphicsLayoutItem *item);
70 void removeAt(int index) override;
71
72 void setSpacing(qreal spacing);
73 qreal spacing() const;
74 void setItemSpacing(int index, qreal spacing);
75 qreal itemSpacing(int index) const;
76
77 void setStretchFactor(QGraphicsLayoutItem *item, int stretch);
78 int stretchFactor(QGraphicsLayoutItem *item) const;
79
80 void setAlignment(QGraphicsLayoutItem *item, Qt::Alignment alignment);
81 Qt::Alignment alignment(QGraphicsLayoutItem *item) const;
82
83 void setGeometry(const QRectF &rect) override;
84
85 int count() const override;
86 QGraphicsLayoutItem *itemAt(int index) const override;
87
88 void invalidate() override;
89 QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const override;
90
91#if 0 // ###
92 Q5SizePolicy::ControlTypes controlTypes(LayoutSide side) const;
93#endif
94
95 void dump(int indent = 0) const;
96
97protected:
98#if 0
99 QSize contentsSizeHint(Qt::SizeHint which, const QSize &constraint = QSize()) const;
100#endif
101
102private:
103 Q_DISABLE_COPY(QGraphicsLinearLayout)
104 Q_DECLARE_PRIVATE(QGraphicsLinearLayout)
105};
106
107QT_END_NAMESPACE
108
109#endif
110