include/QtWidgets/qboxlayout.h

0001 // Copyright (C) 2016 The Qt Company Ltd.
0002 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
0003 // Qt-Security score:significant reason:default
0004
0005 #ifndef QBOXLAYOUT_H
0006 #define QBOXLAYOUT_H
0007
0008 #include <QtWidgets/qtwidgetsglobal.h>
0009 #include <QtWidgets/qlayout.h>
0010 #ifdef QT_INCLUDE_COMPAT
0011 #include <QtWidgets/qwidget.h>
0012 #endif
0013
0014 #include <limits.h>
0015
0016 QT_BEGIN_NAMESPACE
0017
0018
0019 class QBoxLayoutPrivate;
0020
0021 class Q_WIDGETS_EXPORT QBoxLayout : public QLayout
0022 {
0023     Q_OBJECT
0024     Q_DECLARE_PRIVATE(QBoxLayout)
0025 public:
0026     enum Direction { LeftToRight, RightToLeft, TopToBottom, BottomToTop,
0027                      Down = TopToBottom, Up = BottomToTop };
0028
0029     explicit QBoxLayout(Direction, QWidget *parent = nullptr);
0030
0031     ~QBoxLayout();
0032
0033     Direction direction() const;
0034     void setDirection(Direction);
0035
0036     void addSpacing(int size);
0037     void addStretch(int stretch = 0);
0038     void addSpacerItem(QSpacerItem *spacerItem);
0039     void addWidget(QWidget *, int stretch = 0, Qt::Alignment alignment = Qt::Alignment());
0040     void addLayout(QLayout *layout, int stretch = 0);
0041     void addStrut(int);
0042     void addItem(QLayoutItem *) override;
0043
0044     void insertSpacing(int index, int size);
0045     void insertStretch(int index, int stretch = 0);
0046     void insertSpacerItem(int index, QSpacerItem *spacerItem);
0047     void insertWidget(int index, QWidget *widget, int stretch = 0, Qt::Alignment alignment = Qt::Alignment());
0048     void insertLayout(int index, QLayout *layout, int stretch = 0);
0049     void insertItem(int index, QLayoutItem *);
0050
0051     int spacing() const override;
0052     void setSpacing(int spacing) override;
0053
0054     bool setStretchFactor(QWidget *w, int stretch);
0055     bool setStretchFactor(QLayout *l, int stretch);
0056     void setStretch(int index, int stretch);
0057     int stretch(int index) const;
0058
0059     QSize sizeHint() const override;
0060     QSize minimumSize() const override;
0061     QSize maximumSize() const override;
0062
0063     bool hasHeightForWidth() const override;
0064     int heightForWidth(int) const override;
0065     int minimumHeightForWidth(int) const override;
0066
0067     Qt::Orientations expandingDirections() const override;
0068     void invalidate() override;
0069     QLayoutItem *itemAt(int) const override;
0070     QLayoutItem *takeAt(int) override;
0071     int count() const override;
0072     void setGeometry(const QRect&) override;
0073
0074 private:
0075     Q_DISABLE_COPY(QBoxLayout)
0076 };
0077
0078 class Q_WIDGETS_EXPORT QHBoxLayout : public QBoxLayout
0079 {
0080     Q_OBJECT
0081 public:
0082     QHBoxLayout();
0083     explicit QHBoxLayout(QWidget *parent);
0084     ~QHBoxLayout();
0085
0086
0087 private:
0088     Q_DISABLE_COPY(QHBoxLayout)
0089 };
0090
0091 class Q_WIDGETS_EXPORT QVBoxLayout : public QBoxLayout
0092 {
0093     Q_OBJECT
0094 public:
0095     QVBoxLayout();
0096     explicit QVBoxLayout(QWidget *parent);
0097     ~QVBoxLayout();
0098
0099
0100 private:
0101     Q_DISABLE_COPY(QVBoxLayout)
0102 };
0103
0104 QT_END_NAMESPACE
0105
0106 #endif // QBOXLAYOUT_H