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
|
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKWINDOW_P_H
#define QQUICKWINDOW_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 "qquickitem.h"
#include "qquickwindow.h"
#include <private/qqmlguard_p.h>
#include <QtQuick/private/qsgcontext_p.h>
#include <private/qquickdrag_p.h>
#include <QtCore/qthread.h>
#include <QtCore/qmutex.h>
#include <QtCore/qwaitcondition.h>
#include <private/qwindow_p.h>
#include <private/qopengl_p.h>
#include <qopenglcontext.h>
#include <QtGui/qopenglframebufferobject.h>
#include <QtGui/qevent.h>
QT_BEGIN_NAMESPACE
//Make it easy to identify and customize the root item if needed
class QQuickWindowManager;
class QQuickRootItem : public QQuickItem
{
Q_OBJECT
public:
QQuickRootItem();
public Q_SLOTS:
void setWidth(int w) {QQuickItem::setWidth(qreal(w));}
void setHeight(int h) {QQuickItem::setHeight(qreal(h));}
};
class QQuickItemPrivate;
class QQuickWindowPrivate;
class QTouchEvent;
class QQuickWindowRenderLoop;
class QQuickWindowIncubationController;
class Q_QUICK_PRIVATE_EXPORT QQuickWindowPrivate : public QWindowPrivate
{
public:
Q_DECLARE_PUBLIC(QQuickWindow)
static inline QQuickWindowPrivate *get(QQuickWindow *c) { return c->d_func(); }
QQuickWindowPrivate();
virtual ~QQuickWindowPrivate();
void init(QQuickWindow *);
void initRootItem();//Currently only used if items added in QML
QQuickRootItem *rootItem;
QSet<QQuickItem *> parentlessItems;
QQmlListProperty<QObject> data();
QQuickItem *activeFocusItem;
// Keeps track of the item currently receiving mouse events
QQuickItem *mouseGrabberItem;
#ifndef QT_NO_CURSOR
QQuickItem *cursorItem;
#endif
#ifndef QT_NO_DRAGANDDROP
QQuickDragGrabber dragGrabber;
#endif
int touchMouseId;
ulong touchMousePressTimestamp;
// Mouse positions are saved in widget coordinates
QPointF lastMousePosition;
bool translateTouchToMouse(QQuickItem *item, QTouchEvent *event);
void translateTouchEvent(QTouchEvent *touchEvent);
static void transformTouchPoints(QList<QTouchEvent::TouchPoint> &touchPoints, const QTransform &transform);
static QMouseEvent *cloneMouseEvent(QMouseEvent *event, QPointF *transformedLocalPos = 0);
bool deliverInitialMousePressEvent(QQuickItem *, QMouseEvent *);
bool deliverMouseEvent(QMouseEvent *);
bool sendFilteredMouseEvent(QQuickItem *, QQuickItem *, QEvent *);
bool deliverWheelEvent(QQuickItem *, QWheelEvent *);
bool deliverTouchPoints(QQuickItem *, QTouchEvent *, const QList<QTouchEvent::TouchPoint> &, QSet<int> *,
QHash<QQuickItem *, QList<QTouchEvent::TouchPoint> > *);
bool deliverTouchEvent(QTouchEvent *);
bool deliverTouchCancelEvent(QTouchEvent *);
bool deliverHoverEvent(QQuickItem *, const QPointF &scenePos, const QPointF &lastScenePos, Qt::KeyboardModifiers modifiers, bool &accepted);
bool deliverMatchingPointsToItem(QQuickItem *item, QTouchEvent *event, QSet<int> *acceptedNewPoints, const QSet<int> &matchingNewPoints, const QList<QTouchEvent::TouchPoint> &matchingPoints);
QTouchEvent *touchEventForItemBounds(QQuickItem *target, const QTouchEvent &originalEvent);
QTouchEvent *touchEventWithPoints(const QTouchEvent &event, const QList<QTouchEvent::TouchPoint> &newPoints);
bool sendFilteredTouchEvent(QQuickItem *target, QQuickItem *item, QTouchEvent *event);
bool sendHoverEvent(QEvent::Type, QQuickItem *, const QPointF &scenePos, const QPointF &lastScenePos,
Qt::KeyboardModifiers modifiers, bool accepted);
bool clearHover();
#ifndef QT_NO_DRAGANDDROP
void deliverDragEvent(QQuickDragGrabber *, QEvent *);
bool deliverDragEvent(QQuickDragGrabber *, QQuickItem *, QDragMoveEvent *);
#endif
#ifndef QT_NO_CURSOR
void updateCursor(const QPointF &scenePos);
QQuickItem *findCursorItem(QQuickItem *item, const QPointF &scenePos);
#endif
QList<QQuickItem*> hoverItems;
enum FocusOption {
DontChangeFocusProperty = 0x01,
DontChangeSubFocusItem = 0x02
};
Q_DECLARE_FLAGS(FocusOptions, FocusOption)
void setFocusInScope(QQuickItem *scope, QQuickItem *item, FocusOptions = 0);
void clearFocusInScope(QQuickItem *scope, QQuickItem *item, FocusOptions = 0);
static void notifyFocusChangesRecur(QQuickItem **item, int remaining);
void updateFocusItemTransform();
void dirtyItem(QQuickItem *);
void cleanup(QSGNode *);
void polishItems();
void syncSceneGraph();
void renderSceneGraph(const QSize &size);
bool isRenderable() const;
bool renderWithoutShowing;
void setRenderWithoutShowing(bool enabled);
QQuickItem::UpdatePaintNodeData updatePaintNodeData;
QQuickItem *dirtyItemList;
QList<QSGNode *> cleanupNodeList;
QSet<QQuickItem *> itemsToPolish;
void updateDirtyNodes();
void cleanupNodes();
void cleanupNodesOnShutdown();
bool updateEffectiveOpacity(QQuickItem *);
void updateEffectiveOpacityRoot(QQuickItem *, qreal);
void updateDirtyNode(QQuickItem *);
void fireFrameSwapped() { emit q_func()->frameSwapped(); }
QSGContext *context;
QSGRenderer *renderer;
QQuickWindowManager *windowManager;
QColor clearColor;
uint clearBeforeRendering : 1;
// Currently unused in the default implementation, as we're not stopping
// rendering when obscured as we should...
uint persistentGLContext : 1;
uint persistentSceneGraph : 1;
uint lastWheelEventAccepted : 1;
QOpenGLFramebufferObject *renderTarget;
uint renderTargetId;
QSize renderTargetSize;
// Keeps track of which touch point (int) was last accepted by which item
QHash<int, QQuickItem *> itemForTouchPointId;
mutable QQuickWindowIncubationController *incubationController;
static bool dragOverThreshold(qreal d, Qt::Axis axis, QMouseEvent *event);
private:
static void cleanupNodesOnShutdown(QQuickItem *);
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QQuickWindowPrivate::FocusOptions)
QT_END_NAMESPACE
#endif // QQUICKWINDOW_P_H
|
