include/QtWidgets/qgridlayout.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
0004 #ifndef QGRIDLAYOUT_H
0005 #define QGRIDLAYOUT_H
0006
0007 #include <QtWidgets/qtwidgetsglobal.h>
0008 #include <QtWidgets/qlayout.h>
0009 #ifdef QT_INCLUDE_COMPAT
0010 #include <QtWidgets/qwidget.h>
0011 #endif
0012
0013 #include <limits.h>
0014
0015 QT_BEGIN_NAMESPACE
0016
0017
0018 class QGridLayoutPrivate;
0019
0020 class Q_WIDGETS_EXPORT QGridLayout : public QLayout
0021 {
0022     Q_OBJECT
0023     Q_DECLARE_PRIVATE(QGridLayout)
0024     QDOC_PROPERTY(int horizontalSpacing READ horizontalSpacing WRITE setHorizontalSpacing)
0025     QDOC_PROPERTY(int verticalSpacing READ verticalSpacing WRITE setVerticalSpacing)
0026
0027 public:
0028     explicit QGridLayout(QWidget *parent = nullptr);
0029     ~QGridLayout();
0030
0031     QSize sizeHint() const override;
0032     QSize minimumSize() const override;
0033     QSize maximumSize() const override;
0034
0035     void setHorizontalSpacing(int spacing);
0036     int horizontalSpacing() const;
0037     void setVerticalSpacing(int spacing);
0038     int verticalSpacing() const;
0039     void setSpacing(int spacing) override;
0040     int spacing() const override;
0041
0042     void setRowStretch(int row, int stretch);
0043     void setColumnStretch(int column, int stretch);
0044     int rowStretch(int row) const;
0045     int columnStretch(int column) const;
0046
0047     void setRowMinimumHeight(int row, int minSize);
0048     void setColumnMinimumWidth(int column, int minSize);
0049     int rowMinimumHeight(int row) const;
0050     int columnMinimumWidth(int column) const;
0051
0052     int columnCount() const;
0053     int rowCount() const;
0054
0055     QRect cellRect(int row, int column) const;
0056
0057     bool hasHeightForWidth() const override;
0058     int heightForWidth(int) const override;
0059     int minimumHeightForWidth(int) const override;
0060
0061     Qt::Orientations expandingDirections() const override;
0062     void invalidate() override;
0063
0064     inline void addWidget(QWidget *w) { QLayout::addWidget(w); }
0065     void addWidget(QWidget *, int row, int column, Qt::Alignment = Qt::Alignment());
0066     void addWidget(QWidget *, int row, int column, int rowSpan, int columnSpan, Qt::Alignment = Qt::Alignment());
0067     void addLayout(QLayout *, int row, int column, Qt::Alignment = Qt::Alignment());
0068     void addLayout(QLayout *, int row, int column, int rowSpan, int columnSpan, Qt::Alignment = Qt::Alignment());
0069
0070     void setOriginCorner(Qt::Corner);
0071     Qt::Corner originCorner() const;
0072
0073     QLayoutItem *itemAt(int index) const override;
0074     QLayoutItem *itemAtPosition(int row, int column) const;
0075     QLayoutItem *takeAt(int index) override;
0076     int count() const override;
0077     void setGeometry(const QRect&) override;
0078
0079     void addItem(QLayoutItem *item, int row, int column, int rowSpan = 1, int columnSpan = 1, Qt::Alignment = Qt::Alignment());
0080
0081     void setDefaultPositioning(int n, Qt::Orientation orient);
0082     void getItemPosition(int idx, int *row, int *column, int *rowSpan, int *columnSpan) const;
0083
0084 protected:
0085     void addItem(QLayoutItem *) override;
0086
0087 private:
0088     Q_DISABLE_COPY(QGridLayout)
0089
0090 };
0091
0092 QT_END_NAMESPACE
0093
0094 #endif // QGRIDLAYOUT_H