1 /****************************************************************************
2 **
3 ** Copyright (C) 2016 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of the QtWidgets module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and The Qt Company. For licensing terms
14 ** and conditions see https://www.qt.io/terms-conditions. For further
15 ** information use the contact form at https://www.qt.io/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 3 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 3 requirements
23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24 **
25 ** GNU General Public License Usage
26 ** Alternatively, this file may be used under the terms of the GNU
27 ** General Public License version 2.0 or (at your option) the GNU General
28 ** Public license version 3 or any later version approved by the KDE Free
29 ** Qt Foundation. The licenses are as published by the Free Software
30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31 ** included in the packaging of this file. Please review the following
32 ** information to ensure the GNU General Public License requirements will
33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34 ** https://www.gnu.org/licenses/gpl-3.0.html.
35 **
36 ** $QT_END_LICENSE$
37 **
38 ****************************************************************************/
39 
40 #ifndef QGRIDLAYOUT_H
41 #define QGRIDLAYOUT_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 
51 QT_BEGIN_NAMESPACE
52 
53 
54 class QGridLayoutPrivate;
55 
56 class Q_WIDGETS_EXPORT QGridLayout : public QLayout
57 {
58     Q_OBJECT
59     Q_DECLARE_PRIVATE(QGridLayout)
60     QDOC_PROPERTY(int horizontalSpacing READ horizontalSpacing WRITE setHorizontalSpacing)
61     QDOC_PROPERTY(int verticalSpacing READ verticalSpacing WRITE setVerticalSpacing)
62 
63 public:
64     explicit QGridLayout(QWidget *parent);
65     QGridLayout();
66 
67     ~QGridLayout();
68 
69     QSize sizeHint() const override;
70     QSize minimumSize() const override;
71     QSize maximumSize() const override;
72 
73     void setHorizontalSpacing(int spacing);
74     int horizontalSpacing() const;
75     void setVerticalSpacing(int spacing);
76     int verticalSpacing() const;
77     void setSpacing(int spacing);
78     int spacing() const;
79 
80     void setRowStretch(int row, int stretch);
81     void setColumnStretch(int column, int stretch);
82     int rowStretch(int row) const;
83     int columnStretch(int column) const;
84 
85     void setRowMinimumHeight(int row, int minSize);
86     void setColumnMinimumWidth(int column, int minSize);
87     int rowMinimumHeight(int row) const;
88     int columnMinimumWidth(int column) const;
89 
90     int columnCount() const;
91     int rowCount() const;
92 
93     QRect cellRect(int row, int column) const;
94 
95     bool hasHeightForWidth() const override;
96     int heightForWidth(int) const override;
97     int minimumHeightForWidth(int) const override;
98 
99     Qt::Orientations expandingDirections() const override;
100     void invalidate() override;
101 
addWidget(QWidget * w)102     inline void addWidget(QWidget *w) { QLayout::addWidget(w); }
103     void addWidget(QWidget *, int row, int column, Qt::Alignment = Qt::Alignment());
104     void addWidget(QWidget *, int row, int column, int rowSpan, int columnSpan, Qt::Alignment = Qt::Alignment());
105     void addLayout(QLayout *, int row, int column, Qt::Alignment = Qt::Alignment());
106     void addLayout(QLayout *, int row, int column, int rowSpan, int columnSpan, Qt::Alignment = Qt::Alignment());
107 
108     void setOriginCorner(Qt::Corner);
109     Qt::Corner originCorner() const;
110 
111     QLayoutItem *itemAt(int index) const override;
112     QLayoutItem *itemAtPosition(int row, int column) const;
113     QLayoutItem *takeAt(int index) override;
114     int count() const override;
115     void setGeometry(const QRect&) override;
116 
117     void addItem(QLayoutItem *item, int row, int column, int rowSpan = 1, int columnSpan = 1, Qt::Alignment = Qt::Alignment());
118 
119     void setDefaultPositioning(int n, Qt::Orientation orient);
120     void getItemPosition(int idx, int *row, int *column, int *rowSpan, int *columnSpan) const;
121 
122 protected:
123     void addItem(QLayoutItem *) override;
124 
125 private:
126     Q_DISABLE_COPY(QGridLayout)
127 
128 };
129 
130 QT_END_NAMESPACE
131 
132 #endif // QGRIDLAYOUT_H
133