blob: 3255210eedb80439e729622b135629037367b1c6 (
plain)
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
|
// Commit: c6e6a35aeb8794d68a3ca0c4e27a3a1181c066b5
/****************************************************************************
**
** 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 QSGMOUSEAREA_P_H
#define QSGMOUSEAREA_P_H
#include "qsgitem.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class QSGMouseEvent;
class Q_AUTOTEST_EXPORT QSGDrag : public QObject
{
Q_OBJECT
Q_ENUMS(Axis)
Q_PROPERTY(QSGItem *target READ target WRITE setTarget NOTIFY targetChanged RESET resetTarget)
Q_PROPERTY(QSGItem *dropItem READ dropItem NOTIFY dropItemChanged)
Q_PROPERTY(QVariant data READ data WRITE setData NOTIFY dataChanged RESET resetData)
Q_PROPERTY(Axis axis READ axis WRITE setAxis NOTIFY axisChanged)
Q_PROPERTY(qreal minimumX READ xmin WRITE setXmin NOTIFY minimumXChanged)
Q_PROPERTY(qreal maximumX READ xmax WRITE setXmax NOTIFY maximumXChanged)
Q_PROPERTY(qreal minimumY READ ymin WRITE setYmin NOTIFY minimumYChanged)
Q_PROPERTY(qreal maximumY READ ymax WRITE setYmax NOTIFY maximumYChanged)
Q_PROPERTY(bool active READ active NOTIFY activeChanged)
Q_PROPERTY(bool filterChildren READ filterChildren WRITE setFilterChildren NOTIFY filterChildrenChanged)
Q_PROPERTY(QStringList keys READ keys WRITE setKeys NOTIFY keysChanged)
//### consider drag and drop
public:
QSGDrag(QObject *parent=0);
~QSGDrag();
QSGItem *target() const;
void setTarget(QSGItem *);
void resetTarget();
QSGItem *dropItem() const;
void setDropItem(QSGItem *item);
QSGItem *grabItem() const;
void setGrabItem(QSGItem *grabItem);
QVariant data() const;
void setData(const QVariant &data);
void resetData();
enum Axis { XAxis=0x01, YAxis=0x02, XandYAxis=0x03 };
Axis axis() const;
void setAxis(Axis);
qreal xmin() const;
void setXmin(qreal);
qreal xmax() const;
void setXmax(qreal);
qreal ymin() const;
void setYmin(qreal);
qreal ymax() const;
void setYmax(qreal);
bool active() const;
void setActive(bool);
bool filterChildren() const;
void setFilterChildren(bool);
QStringList keys() const;
void setKeys(const QStringList &keys);
void emitDragged(QSGMouseEvent *event) { emit dragged(event); }
void emitDropped(QSGItem *dropItem) { emit dropped(dropItem); }
void emitCanceled() { emit canceled(); }
Q_SIGNALS:
void targetChanged();
void dropItemChanged();
void dataChanged();
void axisChanged();
void minimumXChanged();
void maximumXChanged();
void minimumYChanged();
void maximumYChanged();
void activeChanged();
void filterChildrenChanged();
void keysChanged();
void dragged(QSGMouseEvent *mouse);
void dropped(QSGItem *dropItem);
void canceled();
private:
QStringList _keys;
QVariant _data;
QSGItem *_target;
QSGItem *_dropItem;
QSGItem *_grabItem;
Axis _axis;
qreal _xmin;
qreal _xmax;
qreal _ymin;
qreal _ymax;
bool _active : 1;
bool _filterChildren: 1;
Q_DISABLE_COPY(QSGDrag)
};
class QSGMouseAreaPrivate;
class Q_AUTOTEST_EXPORT QSGMouseArea : public QSGItem
{
Q_OBJECT
Q_PROPERTY(qreal mouseX READ mouseX NOTIFY mousePositionChanged)
Q_PROPERTY(qreal mouseY READ mouseY NOTIFY mousePositionChanged)
Q_PROPERTY(bool containsMouse READ hovered NOTIFY hoveredChanged)
Q_PROPERTY(bool pressed READ pressed NOTIFY pressedChanged)
Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged)
Q_PROPERTY(Qt::MouseButtons pressedButtons READ pressedButtons NOTIFY pressedChanged)
Q_PROPERTY(Qt::MouseButtons acceptedButtons READ acceptedButtons WRITE setAcceptedButtons NOTIFY acceptedButtonsChanged)
Q_PROPERTY(bool hoverEnabled READ hoverEnabled WRITE setHoverEnabled NOTIFY hoverEnabledChanged)
Q_PROPERTY(QSGDrag *drag READ drag CONSTANT) //### add flicking to QSGDrag or add a QDeclarativeFlick ???
Q_PROPERTY(bool preventStealing READ preventStealing WRITE setPreventStealing NOTIFY preventStealingChanged)
Q_PROPERTY(QDeclarativeListProperty<QSGItem> forwardTo READ forwardTo);
public:
QSGMouseArea(QSGItem *parent=0);
~QSGMouseArea();
qreal mouseX() const;
qreal mouseY() const;
bool isEnabled() const;
void setEnabled(bool);
bool hovered() const;
bool pressed() const;
Qt::MouseButtons pressedButtons() const;
Qt::MouseButtons acceptedButtons() const;
void setAcceptedButtons(Qt::MouseButtons buttons);
bool hoverEnabled() const;
void setHoverEnabled(bool h);
QSGDrag *drag();
bool preventStealing() const;
void setPreventStealing(bool prevent);
QDeclarativeListProperty<QSGItem> forwardTo();
Q_SIGNALS:
void hoveredChanged();
void pressedChanged();
void enabledChanged();
void acceptedButtonsChanged();
void hoverEnabledChanged();
void positionChanged(QSGMouseEvent *mouse);
void mousePositionChanged(QSGMouseEvent *mouse);
void preventStealingChanged();
void pressed(QSGMouseEvent *mouse);
void pressAndHold(QSGMouseEvent *mouse);
void released(QSGMouseEvent *mouse);
void clicked(QSGMouseEvent *mouse);
void doubleClicked(QSGMouseEvent *mouse);
void entered();
void exited();
void canceled();
protected:
void setHovered(bool);
bool setPressed(bool);
bool sendMouseEvent(QGraphicsSceneMouseEvent *event);
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseUngrabEvent();
virtual void hoverEnterEvent(QHoverEvent *event);
virtual void hoverMoveEvent(QHoverEvent *event);
virtual void hoverLeaveEvent(QHoverEvent *event);
virtual bool childMouseEventFilter(QSGItem *i, QEvent *e);
virtual void timerEvent(QTimerEvent *event);
virtual void geometryChanged(const QRectF &newGeometry,
const QRectF &oldGeometry);
virtual void itemChange(ItemChange change, const ItemChangeData& value);
private:
void handlePress();
void handleRelease();
private:
Q_DISABLE_COPY(QSGMouseArea)
Q_DECLARE_PRIVATE(QSGMouseArea)
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QSGDrag)
QML_DECLARE_TYPE(QSGMouseArea)
QT_END_HEADER
#endif // QSGMOUSEAREA_P_H
|
