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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
/****************************************************************************
**
** 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 QDECLARATIVELAYOUTS_H
#define QDECLARATIVELAYOUTS_H
#include "qdeclarativeimplicitsizeitem_p.h"
#include <private/qdeclarativestate_p.h>
#include <private/qpodvector_p.h>
#include <QtCore/QObject>
#include <QtCore/QString>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class QDeclarativeBasePositionerPrivate;
class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarativeBasePositioner : public QDeclarativeImplicitSizeItem
{
Q_OBJECT
Q_PROPERTY(int spacing READ spacing WRITE setSpacing NOTIFY spacingChanged)
Q_PROPERTY(QDeclarativeTransition *move READ move WRITE setMove NOTIFY moveChanged)
Q_PROPERTY(QDeclarativeTransition *add READ add WRITE setAdd NOTIFY addChanged)
public:
enum PositionerType { None = 0x0, Horizontal = 0x1, Vertical = 0x2, Both = 0x3 };
QDeclarativeBasePositioner(PositionerType, QDeclarativeItem *parent);
~QDeclarativeBasePositioner();
int spacing() const;
void setSpacing(int);
QDeclarativeTransition *move() const;
void setMove(QDeclarativeTransition *);
QDeclarativeTransition *add() const;
void setAdd(QDeclarativeTransition *);
protected:
QDeclarativeBasePositioner(QDeclarativeBasePositionerPrivate &dd, PositionerType at, QDeclarativeItem *parent);
virtual void componentComplete();
virtual QVariant itemChange(GraphicsItemChange, const QVariant &);
void finishApplyTransitions();
Q_SIGNALS:
void spacingChanged();
void moveChanged();
void addChanged();
protected Q_SLOTS:
void prePositioning();
void graphicsWidgetGeometryChanged();
protected:
virtual void doPositioning(QSizeF *contentSize)=0;
virtual void reportConflictingAnchors()=0;
class PositionedItem {
public :
PositionedItem(QGraphicsObject *i) : item(i), isNew(false), isVisible(true) {}
bool operator==(const PositionedItem &other) const { return other.item == item; }
QGraphicsObject *item;
bool isNew;
bool isVisible;
};
QPODVector<PositionedItem,8> positionedItems;
void positionX(int,const PositionedItem &target);
void positionY(int,const PositionedItem &target);
private:
Q_DISABLE_COPY(QDeclarativeBasePositioner)
Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarativeBasePositioner)
};
class Q_AUTOTEST_EXPORT QDeclarativeColumn : public QDeclarativeBasePositioner
{
Q_OBJECT
public:
QDeclarativeColumn(QDeclarativeItem *parent=0);
protected:
virtual void doPositioning(QSizeF *contentSize);
virtual void reportConflictingAnchors();
private:
Q_DISABLE_COPY(QDeclarativeColumn)
};
class Q_AUTOTEST_EXPORT QDeclarativeRow: public QDeclarativeBasePositioner
{
Q_OBJECT
Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged REVISION 1)
public:
QDeclarativeRow(QDeclarativeItem *parent=0);
Qt::LayoutDirection layoutDirection() const;
void setLayoutDirection (Qt::LayoutDirection);
Q_SIGNALS:
Q_REVISION(1) void layoutDirectionChanged();
protected:
virtual void doPositioning(QSizeF *contentSize);
virtual void reportConflictingAnchors();
private:
Qt::LayoutDirection m_layoutDirection;
Q_DISABLE_COPY(QDeclarativeRow)
};
class Q_AUTOTEST_EXPORT QDeclarativeGrid : public QDeclarativeBasePositioner
{
Q_OBJECT
Q_PROPERTY(int rows READ rows WRITE setRows NOTIFY rowsChanged)
Q_PROPERTY(int columns READ columns WRITE setColumns NOTIFY columnsChanged)
Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged)
Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged REVISION 1)
public:
QDeclarativeGrid(QDeclarativeItem *parent=0);
int rows() const {return m_rows;}
void setRows(const int rows);
int columns() const {return m_columns;}
void setColumns(const int columns);
Q_ENUMS(Flow)
enum Flow { LeftToRight, TopToBottom };
Flow flow() const;
void setFlow(Flow);
Qt::LayoutDirection layoutDirection() const;
void setLayoutDirection (Qt::LayoutDirection);
Q_SIGNALS:
void rowsChanged();
void columnsChanged();
void flowChanged();
Q_REVISION(1) void layoutDirectionChanged();
protected:
virtual void doPositioning(QSizeF *contentSize);
virtual void reportConflictingAnchors();
private:
int m_rows;
int m_columns;
Flow m_flow;
Qt::LayoutDirection m_layoutDirection;
Q_DISABLE_COPY(QDeclarativeGrid)
};
class QDeclarativeFlowPrivate;
class Q_AUTOTEST_EXPORT QDeclarativeFlow: public QDeclarativeBasePositioner
{
Q_OBJECT
Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged REVISION 1)
Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged)
public:
QDeclarativeFlow(QDeclarativeItem *parent=0);
Q_ENUMS(Flow)
enum Flow { LeftToRight, TopToBottom };
Flow flow() const;
void setFlow(Flow);
Qt::LayoutDirection layoutDirection() const;
void setLayoutDirection (Qt::LayoutDirection);
Q_SIGNALS:
void flowChanged();
Q_REVISION(1) void layoutDirectionChanged();
protected:
virtual void doPositioning(QSizeF *contentSize);
virtual void reportConflictingAnchors();
protected:
QDeclarativeFlow(QDeclarativeFlowPrivate &dd, QDeclarativeItem *parent);
private:
Q_DISABLE_COPY(QDeclarativeFlow)
Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarativeFlow)
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QDeclarativeColumn)
QML_DECLARE_TYPE(QDeclarativeRow)
QML_DECLARE_TYPE(QDeclarativeGrid)
QML_DECLARE_TYPE(QDeclarativeFlow)
QT_END_HEADER
#endif
|
