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 QGRAPHICSGRIDLAYOUT_H
41 #define QGRAPHICSGRIDLAYOUT_H
42 
43 #include <QtWidgets/qtwidgetsglobal.h>
44 #include <QtWidgets/qgraphicsitem.h>
45 #include <QtWidgets/qgraphicslayout.h>
46 
47 QT_REQUIRE_CONFIG(graphicsview);
48 
49 QT_BEGIN_NAMESPACE
50 
51 class QGraphicsGridLayoutPrivate;
52 
53 class Q_WIDGETS_EXPORT QGraphicsGridLayout : public QGraphicsLayout
54 {
55 public:
56     QGraphicsGridLayout(QGraphicsLayoutItem *parent = nullptr);
57     virtual ~QGraphicsGridLayout();
58 
59     void addItem(QGraphicsLayoutItem *item, int row, int column, int rowSpan, int columnSpan,
60                  Qt::Alignment alignment = Qt::Alignment());
61     inline void addItem(QGraphicsLayoutItem *item, int row, int column, Qt::Alignment alignment = Qt::Alignment());
62 
63     void setHorizontalSpacing(qreal spacing);
64     qreal horizontalSpacing() const;
65     void setVerticalSpacing(qreal spacing);
66     qreal verticalSpacing() const;
67     void setSpacing(qreal spacing);
68 
69     void setRowSpacing(int row, qreal spacing);
70     qreal rowSpacing(int row) const;
71     void setColumnSpacing(int column, qreal spacing);
72     qreal columnSpacing(int column) const;
73 
74     void setRowStretchFactor(int row, int stretch);
75     int rowStretchFactor(int row) const;
76     void setColumnStretchFactor(int column, int stretch);
77     int columnStretchFactor(int column) const;
78 
79     void setRowMinimumHeight(int row, qreal height);
80     qreal rowMinimumHeight(int row) const;
81     void setRowPreferredHeight(int row, qreal height);
82     qreal rowPreferredHeight(int row) const;
83     void setRowMaximumHeight(int row, qreal height);
84     qreal rowMaximumHeight(int row) const;
85     void setRowFixedHeight(int row, qreal height);
86 
87     void setColumnMinimumWidth(int column, qreal width);
88     qreal columnMinimumWidth(int column) const;
89     void setColumnPreferredWidth(int column, qreal width);
90     qreal columnPreferredWidth(int column) const;
91     void setColumnMaximumWidth(int column, qreal width);
92     qreal columnMaximumWidth(int column) const;
93     void setColumnFixedWidth(int column, qreal width);
94 
95     void setRowAlignment(int row, Qt::Alignment alignment);
96     Qt::Alignment rowAlignment(int row) const;
97     void setColumnAlignment(int column, Qt::Alignment alignment);
98     Qt::Alignment columnAlignment(int column) const;
99 
100     void setAlignment(QGraphicsLayoutItem *item, Qt::Alignment alignment);
101     Qt::Alignment alignment(QGraphicsLayoutItem *item) const;
102 
103     int rowCount() const;
104     int columnCount() const;
105 
106     QGraphicsLayoutItem *itemAt(int row, int column) const;
107 
108     // inherited from QGraphicsLayout
109     int count() const override;
110     QGraphicsLayoutItem *itemAt(int index) const override;
111     void removeAt(int index) override;
112     void removeItem(QGraphicsLayoutItem *item);
113 
114     void invalidate() override;
115 
116     // inherited from QGraphicsLayoutItem
117     void setGeometry(const QRectF &rect) override;
118     QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const override;
119 
120     // ####
121     //QRect cellRect(int row, int column, int rowSpan = 1, int columnSpan = 1) const;
122     //QSizePolicy::ControlTypes controlTypes(LayoutSide side) const;
123 
124 private:
125     Q_DISABLE_COPY(QGraphicsGridLayout)
126     Q_DECLARE_PRIVATE(QGraphicsGridLayout)
127 };
128 
addItem(QGraphicsLayoutItem * aitem,int arow,int acolumn,Qt::Alignment aalignment)129 inline void QGraphicsGridLayout::addItem(QGraphicsLayoutItem *aitem, int arow, int acolumn, Qt::Alignment aalignment)
130 { addItem(aitem, arow, acolumn, 1, 1, aalignment); }
131 
132 QT_END_NAMESPACE
133 
134 #endif
135