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1 | /**************************************************************************** | |
2 | ** | |
3 | ** Copyright (C) 2015 The Qt Company Ltd. | |
4 | ** Contact: http://www.qt.io/licensing/ | |
5 | ** | |
6 | ** This file is part of the examples of the Qt Toolkit. | |
7 | ** | |
8 | ** $QT_BEGIN_LICENSE:BSD$ | |
9 | ** You may use this file under the terms of the BSD license as follows: | |
10 | ** | |
11 | ** "Redistribution and use in source and binary forms, with or without | |
12 | ** modification, are permitted provided that the following conditions are | |
13 | ** met: | |
14 | ** * Redistributions of source code must retain the above copyright | |
15 | ** notice, this list of conditions and the following disclaimer. | |
16 | ** * Redistributions in binary form must reproduce the above copyright | |
17 | ** notice, this list of conditions and the following disclaimer in | |
18 | ** the documentation and/or other materials provided with the | |
19 | ** distribution. | |
20 | ** * Neither the name of The Qt Company Ltd nor the names of its | |
21 | ** contributors may be used to endorse or promote products derived | |
22 | ** from this software without specific prior written permission. | |
23 | ** | |
24 | ** | |
25 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
26 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
27 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
28 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
29 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
30 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
31 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
32 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
33 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
34 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
35 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." | |
36 | ** | |
37 | ** $QT_END_LICENSE$ | |
38 | ** | |
39 | ****************************************************************************/ | |
40 | ||
41 | #ifndef PULSEVIEW_PV_WIDGETS_FLOWLAYOUT_HPP | |
42 | #define PULSEVIEW_PV_WIDGETS_FLOWLAYOUT_HPP | |
43 | ||
44 | #include <QLayout> | |
45 | #include <QRect> | |
46 | #include <QStyle> | |
47 | #include <QWidgetItem> | |
48 | ||
49 | class FlowLayout : public QLayout | |
50 | { | |
51 | public: | |
52 | FlowLayout(QWidget *parent, int margin = -1, int hSpacing = -1, int vSpacing = -1); | |
53 | FlowLayout(int margin = -1, int hSpacing = -1, int vSpacing = -1); | |
54 | ~FlowLayout(); | |
55 | ||
56 | void addItem(QLayoutItem *item); | |
57 | int horizontalSpacing() const; | |
58 | int verticalSpacing() const; | |
59 | Qt::Orientations expandingDirections() const; | |
60 | bool hasHeightForWidth() const; | |
61 | int heightForWidth(int) const; | |
62 | int count() const; | |
63 | QLayoutItem *itemAt(int index) const; | |
64 | QSize minimumSize() const; | |
65 | void setGeometry(const QRect &rect); | |
66 | QSize sizeHint() const; | |
67 | QLayoutItem *takeAt(int index); | |
68 | ||
69 | private: | |
70 | int doLayout(const QRect &rect, bool testOnly) const; | |
71 | int smartSpacing(QStyle::PixelMetric pm) const; | |
72 | ||
73 | QWidget* m_parent; | |
74 | QList<QLayoutItem*> itemList; | |
75 | int m_hSpace, m_vSpace; | |
76 | }; | |
77 | ||
78 | #endif // PULSEVIEW_PV_WIDGETS_FLOWLAYOUT_HPP |