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
|
/****************************************************************************
**
** Copyright (C) 2011 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 QDECLARATIVEANCHORS_P_H
#define QDECLARATIVEANCHORS_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 "private/qdeclarativeanchors_p.h"
#include "private/qdeclarativeitemchangelistener_p.h"
#include <private/qobject_p.h>
QT_BEGIN_NAMESPACE
class QDeclarativeAnchorLine
{
public:
QDeclarativeAnchorLine() : 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
};
QGraphicsObject *item;
AnchorLine anchorLine;
};
inline bool operator==(const QDeclarativeAnchorLine& a, const QDeclarativeAnchorLine& b)
{
return a.item == b.item && a.anchorLine == b.anchorLine;
}
class QDeclarativeAnchorsPrivate : public QObjectPrivate, public QDeclarativeItemChangeListener
{
Q_DECLARE_PUBLIC(QDeclarativeAnchors)
public:
QDeclarativeAnchorsPrivate(QGraphicsObject *i)
: componentComplete(true), 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)
{
}
void clearItem(QGraphicsObject *);
void addDepend(QGraphicsObject *);
void remDepend(QGraphicsObject *);
bool isItemComplete() const;
bool componentComplete:1;
bool updatingMe:1;
uint updatingHorizontalAnchor:2;
uint updatingVerticalAnchor:2;
uint updatingFill:2;
uint updatingCenterIn:2;
void setItemHeight(qreal);
void setItemWidth(qreal);
void setItemX(qreal);
void setItemY(qreal);
void setItemPos(const QPointF &);
void setItemSize(const QSizeF &);
void updateOnComplete();
void updateMe();
// QDeclarativeItemGeometryListener interface
void itemGeometryChanged(QDeclarativeItem *, const QRectF &, const QRectF &);
void _q_widgetDestroyed(QObject *);
void _q_widgetGeometryChanged();
QDeclarativeAnchorsPrivate *anchorPrivate() { return this; }
bool checkHValid() const;
bool checkVValid() const;
bool checkHAnchorValid(QDeclarativeAnchorLine anchor) const;
bool checkVAnchorValid(QDeclarativeAnchorLine anchor) const;
bool calcStretch(const QDeclarativeAnchorLine &edge1, const QDeclarativeAnchorLine &edge2, qreal offset1, qreal offset2, QDeclarativeAnchorLine::AnchorLine line, qreal &stretch);
bool isMirrored() const;
void updateHorizontalAnchors();
void updateVerticalAnchors();
void fillChanged();
void centerInChanged();
QGraphicsObject *item;
QDeclarativeAnchors::Anchors usedAnchors;
QGraphicsObject *fill;
QGraphicsObject *centerIn;
QDeclarativeAnchorLine left;
QDeclarativeAnchorLine right;
QDeclarativeAnchorLine top;
QDeclarativeAnchorLine bottom;
QDeclarativeAnchorLine vCenter;
QDeclarativeAnchorLine hCenter;
QDeclarativeAnchorLine baseline;
qreal leftMargin;
qreal rightMargin;
qreal topMargin;
qreal bottomMargin;
qreal margins;
qreal vCenterOffset;
qreal hCenterOffset;
qreal baselineOffset;
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QDeclarativeAnchorLine)
#endif
|
