1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMLGRAPHICSANCHORS_P_H
#define QMLGRAPHICSANCHORS_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qmlgraphicsanchors_p.h"
#include "qmlgraphicsitemchangelistener_p.h"
#include <private/qobject_p.h>
QT_BEGIN_NAMESPACE
class QmlGraphicsAnchorLine
{
public:
QmlGraphicsAnchorLine() : item(0), anchorLine(Invalid)
{
}
enum AnchorLine {
Invalid = 0x0,
Left = 0x01,
Right = 0x02,
Top = 0x04,
Bottom = 0x08,
HCenter = 0x10,
VCenter = 0x20,
Baseline = 0x40,
Horizontal_Mask = Left | Right | HCenter,
Vertical_Mask = Top | Bottom | VCenter | Baseline
};
QmlGraphicsItem *item;
AnchorLine anchorLine;
bool operator==(const QmlGraphicsAnchorLine& other) const
{
return item == other.item && anchorLine == other.anchorLine;
}
};
Q_DECLARE_METATYPE(QmlGraphicsAnchorLine)
class QmlGraphicsAnchorsPrivate : public QObjectPrivate, public QmlGraphicsItemChangeListener
{
Q_DECLARE_PUBLIC(QmlGraphicsAnchors)
public:
QmlGraphicsAnchorsPrivate(QmlGraphicsItem *i)
: updatingMe(false), updatingHorizontalAnchor(0),
updatingVerticalAnchor(0), updatingFill(0), updatingCenterIn(0), item(i), usedAnchors(0), fill(0),
centerIn(0), leftMargin(0), rightMargin(0), topMargin(0), bottomMargin(0),
margins(0), vCenterOffset(0), hCenterOffset(0), baselineOffset(0),
componentComplete(true)
{
}
void init()
{
}
void clearItem(QmlGraphicsItem *);
void addDepend(QmlGraphicsItem *);
void remDepend(QmlGraphicsItem *);
bool isItemComplete() const;
bool updatingMe;
int updatingHorizontalAnchor;
int updatingVerticalAnchor;
int updatingFill;
int updatingCenterIn;
void setItemHeight(qreal);
void setItemWidth(qreal);
void setItemX(qreal);
void setItemY(qreal);
void setItemPos(const QPointF &);
void updateOnComplete();
void updateMe();
// QmlGraphicsItemGeometryListener interface
void itemGeometryChanged(QmlGraphicsItem *, const QRectF &, const QRectF &);
QmlGraphicsAnchorsPrivate *anchorPrivate() { return this; }
bool checkHValid() const;
bool checkVValid() const;
bool checkHAnchorValid(QmlGraphicsAnchorLine anchor) const;
bool checkVAnchorValid(QmlGraphicsAnchorLine anchor) const;
bool calcStretch(const QmlGraphicsAnchorLine &edge1, const QmlGraphicsAnchorLine &edge2, int offset1, int offset2, QmlGraphicsAnchorLine::AnchorLine line, int &stretch);
void updateHorizontalAnchors();
void updateVerticalAnchors();
void fillChanged();
void centerInChanged();
QmlGraphicsItem *item;
QmlGraphicsAnchors::UsedAnchors usedAnchors;
QmlGraphicsItem *fill;
QmlGraphicsItem *centerIn;
QmlGraphicsAnchorLine left;
QmlGraphicsAnchorLine right;
QmlGraphicsAnchorLine top;
QmlGraphicsAnchorLine bottom;
QmlGraphicsAnchorLine vCenter;
QmlGraphicsAnchorLine hCenter;
QmlGraphicsAnchorLine baseline;
qreal leftMargin;
qreal rightMargin;
qreal topMargin;
qreal bottomMargin;
qreal margins;
qreal vCenterOffset;
qreal hCenterOffset;
qreal baselineOffset;
bool componentComplete;
};
QT_END_NAMESPACE
#endif
|
