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2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt Designer of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:GPL-EXCEPT$
9** Commercial License Usage
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17** GNU General Public License Usage
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21** included in the packaging of this file. Please review the following
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27****************************************************************************/
28
29//
30// W A R N I N G
31// -------------
32//
33// This file is not part of the Qt API. It exists for the convenience
34// of Qt Designer. This header
35// file may change from version to version without notice, or even be removed.
36//
37// We mean it.
38//
39
40#ifndef QDESIGNER_GRID_H
41#define QDESIGNER_GRID_H
42
43#include "shared_global_p.h"
44
45#include <QtCore/qvariant.h>
46
47QT_BEGIN_NAMESPACE
48
49class QWidget;
50class QPaintEvent;
51class QPainter;
52
53namespace qdesigner_internal {
54
55// Designer grid which is able to serialize to QVariantMap
56class QDESIGNER_SHARED_EXPORT Grid
57{
58public:
59 Grid();
60
61 bool fromVariantMap(const QVariantMap& vm);
62
63 void addToVariantMap(QVariantMap& vm, bool forceKeys = false) const;
64 QVariantMap toVariantMap(bool forceKeys = false) const;
65
66 inline bool visible() const { return m_visible; }
67 void setVisible(bool visible) { m_visible = visible; }
68
69 inline bool snapX() const { return m_snapX; }
70 void setSnapX(bool snap) { m_snapX = snap; }
71
72 inline bool snapY() const { return m_snapY; }
73 void setSnapY(bool snap) { m_snapY = snap; }
74
75 inline int deltaX() const { return m_deltaX; }
76 void setDeltaX(int dx) { m_deltaX = dx; }
77
78 inline int deltaY() const { return m_deltaY; }
79 void setDeltaY(int dy) { m_deltaY = dy; }
80
81 void paint(QWidget *widget, QPaintEvent *e) const;
82 void paint(QPainter &p, const QWidget *widget, QPaintEvent *e) const;
83
84 QPoint snapPoint(const QPoint &p) const;
85
86 int widgetHandleAdjustX(int x) const;
87 int widgetHandleAdjustY(int y) const;
88
89 inline bool operator==(const Grid &rhs) const { return equals(rhs); }
90 inline bool operator!=(const Grid &rhs) const { return !equals(rhs); }
91
92private:
93 bool equals(const Grid &rhs) const;
94 int snapValue(int value, int grid) const;
95 bool m_visible;
96 bool m_snapX;
97 bool m_snapY;
98 int m_deltaX;
99 int m_deltaY;
100};
101} // namespace qdesigner_internal
102
103QT_END_NAMESPACE
104
105#endif // QDESIGNER_GRID_H
106

source code of qttools/src/designer/src/lib/shared/grid_p.h