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
|
/****************************************************************************
**
** Copyright (C) 2015 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qwaylandquickoutput.h"
#include "qwaylandquickcompositor.h"
QT_BEGIN_NAMESPACE
QWaylandQuickOutput::QWaylandQuickOutput()
: QWaylandOutput()
, m_updateScheduled(false)
, m_automaticFrameCallback(true)
{
}
QWaylandQuickOutput::QWaylandQuickOutput(QWaylandCompositor *compositor, QWindow *window)
: QWaylandOutput(compositor, window)
, m_updateScheduled(false)
, m_automaticFrameCallback(true)
{
}
void QWaylandQuickOutput::initialize()
{
QWaylandOutput::initialize();
QQuickWindow *quickWindow = qobject_cast<QQuickWindow *>(window());
if (!quickWindow) {
qWarning("Initialization error: Could not locate QQuickWindow on initializing QWaylandQuickOutput %p.\n", this);
return;
}
connect(quickWindow, &QQuickWindow::beforeSynchronizing,
this, &QWaylandQuickOutput::updateStarted,
Qt::DirectConnection);
connect(quickWindow, &QQuickWindow::beforeRendering,
this, &QWaylandQuickOutput::doFrameCallbacks);
}
void QWaylandQuickOutput::update()
{
if (!m_updateScheduled) {
//don't qobject_cast since we have verified the type in initialize
static_cast<QQuickWindow *>(window())->update();
m_updateScheduled = true;
}
}
/*!
* \qmlproperty bool QtWaylandCompositor::WaylandOutput::automaticFrameCallback
*
* This property holds whether the WaylandOutput automatically sends frame
* callbacks when rendering.
*
* The default is true.
*/
bool QWaylandQuickOutput::automaticFrameCallback() const
{
return m_automaticFrameCallback;
}
void QWaylandQuickOutput::setAutomaticFrameCallback(bool automatic)
{
if (m_automaticFrameCallback == automatic)
return;
m_automaticFrameCallback = automatic;
automaticFrameCallbackChanged();
}
/*!
* \internal
*/
void QWaylandQuickOutput::updateStarted()
{
m_updateScheduled = false;
if (!compositor())
return;
frameStarted();
}
void QWaylandQuickOutput::doFrameCallbacks()
{
if (m_automaticFrameCallback)
sendFrameCallbacks();
}
QT_END_NAMESPACE
|