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
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
/****************************************************************************
**
** Copyright (C) 2010 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 QDECLARATIVEGRIDVIEW_H
#define QDECLARATIVEGRIDVIEW_H
#include "private/qdeclarativeflickable_p.h"
#include "private/qdeclarativeguard_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class QDeclarativeVisualModel;
class QDeclarativeGridViewAttached;
class QDeclarativeGridViewPrivate;
class Q_AUTOTEST_EXPORT QDeclarativeGridView : public QDeclarativeFlickable
{
Q_OBJECT
Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarativeGridView)
Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
Q_PROPERTY(QDeclarativeComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged)
Q_PROPERTY(QDeclarativeItem *currentItem READ currentItem NOTIFY currentIndexChanged)
Q_PROPERTY(int count READ count NOTIFY countChanged)
Q_PROPERTY(QDeclarativeComponent *highlight READ highlight WRITE setHighlight NOTIFY highlightChanged)
Q_PROPERTY(QDeclarativeItem *highlightItem READ highlightItem NOTIFY highlightItemChanged)
Q_PROPERTY(bool highlightFollowsCurrentItem READ highlightFollowsCurrentItem WRITE setHighlightFollowsCurrentItem)
Q_PROPERTY(int highlightMoveDuration READ highlightMoveDuration WRITE setHighlightMoveDuration NOTIFY highlightMoveDurationChanged)
Q_PROPERTY(qreal preferredHighlightBegin READ preferredHighlightBegin WRITE setPreferredHighlightBegin NOTIFY preferredHighlightBeginChanged)
Q_PROPERTY(qreal preferredHighlightEnd READ preferredHighlightEnd WRITE setPreferredHighlightEnd NOTIFY preferredHighlightEndChanged)
Q_PROPERTY(HighlightRangeMode highlightRangeMode READ highlightRangeMode WRITE setHighlightRangeMode NOTIFY highlightRangeModeChanged)
Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged)
Q_PROPERTY(bool keyNavigationWraps READ isWrapEnabled WRITE setWrapEnabled NOTIFY keyNavigationWrapsChanged)
Q_PROPERTY(int cacheBuffer READ cacheBuffer WRITE setCacheBuffer NOTIFY cacheBufferChanged)
Q_PROPERTY(int cellWidth READ cellWidth WRITE setCellWidth NOTIFY cellWidthChanged)
Q_PROPERTY(int cellHeight READ cellHeight WRITE setCellHeight NOTIFY cellHeightChanged)
Q_PROPERTY(SnapMode snapMode READ snapMode WRITE setSnapMode NOTIFY snapModeChanged)
Q_PROPERTY(QDeclarativeComponent *header READ header WRITE setHeader NOTIFY headerChanged)
Q_PROPERTY(QDeclarativeComponent *footer READ footer WRITE setFooter NOTIFY footerChanged)
Q_ENUMS(HighlightRangeMode)
Q_ENUMS(SnapMode)
Q_ENUMS(Flow)
Q_ENUMS(PositionMode)
Q_CLASSINFO("DefaultProperty", "data")
public:
QDeclarativeGridView(QDeclarativeItem *parent=0);
~QDeclarativeGridView();
QVariant model() const;
void setModel(const QVariant &);
QDeclarativeComponent *delegate() const;
void setDelegate(QDeclarativeComponent *);
int currentIndex() const;
void setCurrentIndex(int idx);
QDeclarativeItem *currentItem();
QDeclarativeItem *highlightItem();
int count() const;
QDeclarativeComponent *highlight() const;
void setHighlight(QDeclarativeComponent *highlight);
bool highlightFollowsCurrentItem() const;
void setHighlightFollowsCurrentItem(bool);
int highlightMoveDuration() const;
void setHighlightMoveDuration(int);
enum HighlightRangeMode { NoHighlightRange, ApplyRange, StrictlyEnforceRange };
HighlightRangeMode highlightRangeMode() const;
void setHighlightRangeMode(HighlightRangeMode mode);
qreal preferredHighlightBegin() const;
void setPreferredHighlightBegin(qreal);
qreal preferredHighlightEnd() const;
void setPreferredHighlightEnd(qreal);
enum Flow { LeftToRight, TopToBottom };
Flow flow() const;
void setFlow(Flow);
bool isWrapEnabled() const;
void setWrapEnabled(bool);
int cacheBuffer() const;
void setCacheBuffer(int);
int cellWidth() const;
void setCellWidth(int);
int cellHeight() const;
void setCellHeight(int);
enum SnapMode { NoSnap, SnapToRow, SnapOneRow };
SnapMode snapMode() const;
void setSnapMode(SnapMode mode);
QDeclarativeComponent *footer() const;
void setFooter(QDeclarativeComponent *);
QDeclarativeComponent *header() const;
void setHeader(QDeclarativeComponent *);
virtual void setContentX(qreal pos);
virtual void setContentY(qreal pos);
enum PositionMode { Beginning, Center, End, Visible, Contain };
Q_INVOKABLE void positionViewAtIndex(int index, int mode);
Q_INVOKABLE int indexAt(int x, int y) const;
static QDeclarativeGridViewAttached *qmlAttachedProperties(QObject *);
public Q_SLOTS:
void moveCurrentIndexUp();
void moveCurrentIndexDown();
void moveCurrentIndexLeft();
void moveCurrentIndexRight();
Q_SIGNALS:
void countChanged();
void currentIndexChanged();
void cellWidthChanged();
void cellHeightChanged();
void highlightChanged();
void highlightItemChanged();
void preferredHighlightBeginChanged();
void preferredHighlightEndChanged();
void highlightRangeModeChanged();
void highlightMoveDurationChanged();
void modelChanged();
void delegateChanged();
void flowChanged();
void keyNavigationWrapsChanged();
void cacheBufferChanged();
void snapModeChanged();
void headerChanged();
void footerChanged();
protected:
virtual bool event(QEvent *event);
virtual void viewportMoved();
virtual qreal minYExtent() const;
virtual qreal maxYExtent() const;
virtual qreal minXExtent() const;
virtual qreal maxXExtent() const;
virtual void keyPressEvent(QKeyEvent *);
virtual void componentComplete();
private Q_SLOTS:
void trackedPositionChanged();
void itemsInserted(int index, int count);
void itemsRemoved(int index, int count);
void itemsMoved(int from, int to, int count);
void modelReset();
void destroyRemoved();
void createdItem(int index, QDeclarativeItem *item);
void destroyingItem(QDeclarativeItem *item);
void animStopped();
private:
void refill();
};
class QDeclarativeGridViewAttached : public QObject
{
Q_OBJECT
public:
QDeclarativeGridViewAttached(QObject *parent)
: QObject(parent), m_view(0), m_isCurrent(false), m_delayRemove(false) {}
~QDeclarativeGridViewAttached() {}
Q_PROPERTY(QDeclarativeGridView *view READ view NOTIFY viewChanged)
QDeclarativeGridView *view() { return m_view; }
void setView(QDeclarativeGridView *view) {
if (view != m_view) {
m_view = view;
emit viewChanged();
}
}
Q_PROPERTY(bool isCurrentItem READ isCurrentItem NOTIFY currentItemChanged)
bool isCurrentItem() const { return m_isCurrent; }
void setIsCurrentItem(bool c) {
if (m_isCurrent != c) {
m_isCurrent = c;
emit currentItemChanged();
}
}
Q_PROPERTY(bool delayRemove READ delayRemove WRITE setDelayRemove NOTIFY delayRemoveChanged)
bool delayRemove() const { return m_delayRemove; }
void setDelayRemove(bool delay) {
if (m_delayRemove != delay) {
m_delayRemove = delay;
emit delayRemoveChanged();
}
}
void emitAdd() { emit add(); }
void emitRemove() { emit remove(); }
Q_SIGNALS:
void currentItemChanged();
void delayRemoveChanged();
void add();
void remove();
void viewChanged();
public:
QDeclarativeGuard<QDeclarativeGridView> m_view;
bool m_isCurrent : 1;
bool m_delayRemove : 1;
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QDeclarativeGridView)
QML_DECLARE_TYPEINFO(QDeclarativeGridView, QML_HAS_ATTACHED_PROPERTIES)
QT_END_HEADER
#endif
|
