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39
40#ifndef QBOXLAYOUT_H
41#define QBOXLAYOUT_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtWidgets/qlayout.h>
45#ifdef QT_INCLUDE_COMPAT
46#include <QtWidgets/qwidget.h>
47#endif
48
49#include <limits.h>
50
51QT_BEGIN_NAMESPACE
52
53
54class QBoxLayoutPrivate;
55
56class Q_WIDGETS_EXPORT QBoxLayout : public QLayout
57{
58 Q_OBJECT
59 Q_DECLARE_PRIVATE(QBoxLayout)
60public:
61 enum Direction { LeftToRight, RightToLeft, TopToBottom, BottomToTop,
62 Down = TopToBottom, Up = BottomToTop };
63
64 explicit QBoxLayout(Direction, QWidget *parent = nullptr);
65
66 ~QBoxLayout();
67
68 Direction direction() const;
69 void setDirection(Direction);
70
71 void addSpacing(int size);
72 void addStretch(int stretch = 0);
73 void addSpacerItem(QSpacerItem *spacerItem);
74 void addWidget(QWidget *, int stretch = 0, Qt::Alignment alignment = Qt::Alignment());
75 void addLayout(QLayout *layout, int stretch = 0);
76 void addStrut(int);
77 void addItem(QLayoutItem *) override;
78
79 void insertSpacing(int index, int size);
80 void insertStretch(int index, int stretch = 0);
81 void insertSpacerItem(int index, QSpacerItem *spacerItem);
82 void insertWidget(int index, QWidget *widget, int stretch = 0, Qt::Alignment alignment = Qt::Alignment());
83 void insertLayout(int index, QLayout *layout, int stretch = 0);
84 void insertItem(int index, QLayoutItem *);
85
86 int spacing() const;
87 void setSpacing(int spacing);
88
89 bool setStretchFactor(QWidget *w, int stretch);
90 bool setStretchFactor(QLayout *l, int stretch);
91 void setStretch(int index, int stretch);
92 int stretch(int index) const;
93
94 QSize sizeHint() const override;
95 QSize minimumSize() const override;
96 QSize maximumSize() const override;
97
98 bool hasHeightForWidth() const override;
99 int heightForWidth(int) const override;
100 int minimumHeightForWidth(int) const override;
101
102 Qt::Orientations expandingDirections() const override;
103 void invalidate() override;
104 QLayoutItem *itemAt(int) const override;
105 QLayoutItem *takeAt(int) override;
106 int count() const override;
107 void setGeometry(const QRect&) override;
108
109private:
110 Q_DISABLE_COPY(QBoxLayout)
111};
112
113class Q_WIDGETS_EXPORT QHBoxLayout : public QBoxLayout
114{
115 Q_OBJECT
116public:
117 QHBoxLayout();
118 explicit QHBoxLayout(QWidget *parent);
119 ~QHBoxLayout();
120
121
122private:
123 Q_DISABLE_COPY(QHBoxLayout)
124};
125
126class Q_WIDGETS_EXPORT QVBoxLayout : public QBoxLayout
127{
128 Q_OBJECT
129public:
130 QVBoxLayout();
131 explicit QVBoxLayout(QWidget *parent);
132 ~QVBoxLayout();
133
134
135private:
136 Q_DISABLE_COPY(QVBoxLayout)
137};
138
139QT_END_NAMESPACE
140
141#endif // QBOXLAYOUT_H
142