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
235
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QQUICKLINEARLAYOUT_P_H
#define QQUICKLINEARLAYOUT_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 <QtQuickLayouts/private/qquicklayoutglobal_p.h>
#include "qquicklayout_p.h"
#include "qquickgridlayoutengine_p.h"
QT_BEGIN_NAMESPACE
/**********************************
**
** QQuickGridLayoutBase
**
**/
class QQuickGridLayoutBasePrivate;
class Q_QUICKLAYOUTS_PRIVATE_EXPORT QQuickGridLayoutBase : public QQuickLayout
{
Q_OBJECT
Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection
NOTIFY layoutDirectionChanged REVISION(1, 1))
QML_ANONYMOUS
QML_ADDED_IN_VERSION(1, 1)
public:
QQuickGridLayoutBase();
explicit QQuickGridLayoutBase(QQuickGridLayoutBasePrivate &dd,
Qt::Orientation orientation,
QQuickItem *parent = nullptr);
~QQuickGridLayoutBase();
void componentComplete() override;
void invalidate(QQuickItem *childItem = nullptr) override;
Qt::Orientation orientation() const;
void setOrientation(Qt::Orientation orientation);
QSizeF sizeHint(Qt::SizeHint whichSizeHint) const override;
Qt::LayoutDirection layoutDirection() const;
void setLayoutDirection(Qt::LayoutDirection dir);
Qt::LayoutDirection effectiveLayoutDirection() const;
void setAlignment(QQuickItem *item, Qt::Alignment align) override;
void setStretchFactor(QQuickItem *item, int stretchFactor, Qt::Orientation orient) override;
/* QQuickItemChangeListener */
void itemDestroyed(QQuickItem *item) override;
void itemVisibilityChanged(QQuickItem *item) override;
protected:
void updateLayoutItems() override;
QQuickItem *itemAt(int index) const override;
int itemCount() const override;
void rearrange(const QSizeF &size) override;
virtual void insertLayoutItems() {}
Q_SIGNALS:
Q_REVISION(1, 1) void layoutDirectionChanged();
private:
void removeGridItem(QGridLayoutItem *gridItem);
Q_DECLARE_PRIVATE(QQuickGridLayoutBase)
};
class QQuickLayoutStyleInfo;
class QQuickGridLayoutBasePrivate : public QQuickLayoutPrivate
{
Q_DECLARE_PUBLIC(QQuickGridLayoutBase)
public:
QQuickGridLayoutBasePrivate() : m_recurRearrangeCounter(0)
, m_rearranging(false)
, m_layoutDirection(Qt::LeftToRight)
{}
void mirrorChange() override
{
Q_Q(QQuickGridLayoutBase);
q->invalidate();
}
QQuickGridLayoutEngine engine;
Qt::Orientation orientation;
unsigned m_recurRearrangeCounter : 2;
unsigned m_rearranging : 1;
QVector<QQuickItem *> m_invalidateAfterRearrange;
Qt::LayoutDirection m_layoutDirection : 2;
QQuickLayoutStyleInfo *styleInfo;
};
/**********************************
**
** QQuickGridLayout
**
**/
class QQuickGridLayoutPrivate;
class Q_QUICKLAYOUTS_PRIVATE_EXPORT QQuickGridLayout : public QQuickGridLayoutBase
{
Q_OBJECT
Q_PROPERTY(qreal columnSpacing READ columnSpacing WRITE setColumnSpacing NOTIFY columnSpacingChanged)
Q_PROPERTY(qreal rowSpacing READ rowSpacing WRITE setRowSpacing NOTIFY rowSpacingChanged)
Q_PROPERTY(int columns READ columns WRITE setColumns NOTIFY columnsChanged)
Q_PROPERTY(int rows READ rows WRITE setRows NOTIFY rowsChanged)
Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged)
QML_NAMED_ELEMENT(GridLayout)
QML_ADDED_IN_VERSION(1, 0)
public:
explicit QQuickGridLayout(QQuickItem *parent = nullptr);
qreal columnSpacing() const;
void setColumnSpacing(qreal spacing);
qreal rowSpacing() const;
void setRowSpacing(qreal spacing);
int columns() const;
void setColumns(int columns);
int rows() const;
void setRows(int rows);
enum Flow { LeftToRight, TopToBottom };
Q_ENUM(Flow)
Flow flow() const;
void setFlow(Flow flow);
void insertLayoutItems() override;
Q_SIGNALS:
void columnSpacingChanged();
void rowSpacingChanged();
void columnsChanged();
void rowsChanged();
void flowChanged();
private:
Q_DECLARE_PRIVATE(QQuickGridLayout)
};
class QQuickGridLayoutPrivate : public QQuickGridLayoutBasePrivate
{
Q_DECLARE_PUBLIC(QQuickGridLayout)
public:
QQuickGridLayoutPrivate(): columns(-1), rows(-1), flow(QQuickGridLayout::LeftToRight) {}
int columns;
int rows;
QQuickGridLayout::Flow flow;
};
/**********************************
**
** QQuickLinearLayout
**
**/
class QQuickLinearLayoutPrivate;
class Q_QUICKLAYOUTS_PRIVATE_EXPORT QQuickLinearLayout : public QQuickGridLayoutBase
{
Q_OBJECT
Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing NOTIFY spacingChanged)
public:
explicit QQuickLinearLayout(Qt::Orientation orientation,
QQuickItem *parent = nullptr);
void insertLayoutItem(QQuickItem *item);
qreal spacing() const;
void setSpacing(qreal spacing);
void insertLayoutItems() override;
Q_SIGNALS:
void spacingChanged();
private:
Q_DECLARE_PRIVATE(QQuickLinearLayout)
};
class QQuickLinearLayoutPrivate : public QQuickGridLayoutBasePrivate
{
Q_DECLARE_PUBLIC(QQuickLinearLayout)
public:
QQuickLinearLayoutPrivate() {}
};
/**********************************
**
** QQuickRowLayout
**
**/
class Q_QUICKLAYOUTS_PRIVATE_EXPORT QQuickRowLayout : public QQuickLinearLayout
{
Q_OBJECT
QML_NAMED_ELEMENT(RowLayout)
QML_ADDED_IN_VERSION(1, 0)
public:
explicit QQuickRowLayout(QQuickItem *parent = nullptr)
: QQuickLinearLayout(Qt::Horizontal, parent) {}
};
/**********************************
**
** QQuickColumnLayout
**
**/
class Q_QUICKLAYOUTS_PRIVATE_EXPORT QQuickColumnLayout : public QQuickLinearLayout
{
Q_OBJECT
QML_NAMED_ELEMENT(ColumnLayout)
QML_ADDED_IN_VERSION(1, 0)
public:
explicit QQuickColumnLayout(QQuickItem *parent = nullptr)
: QQuickLinearLayout(Qt::Vertical, parent) {}
};
QT_END_NAMESPACE
#endif // QQUICKLINEARLAYOUT_P_H
|
