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
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//#include <QDebug>
#include "qkmscursor.h"
#include "qkmsscreen.h"
#include "qkmsdevice.h"
QT_BEGIN_NAMESPACE
#ifndef DRM_CAP_CURSOR_WIDTH
#define DRM_CAP_CURSOR_WIDTH 0x8
#endif
#ifndef DRM_CAP_CURSOR_HEIGHT
#define DRM_CAP_CURSOR_HEIGHT 0x9
#endif
QKmsCursor::QKmsCursor(QKmsScreen *screen)
: m_screen(screen),
m_graphicsBufferManager(screen->device()->gbmDevice()),
m_cursorImage(new QPlatformCursorImage(0, 0, 0, 0, 0, 0)),
m_moved(false),
m_cursorSize(64, 64)
{
uint64_t value = 0;
if (!drmGetCap(m_screen->device()->fd(), DRM_CAP_CURSOR_WIDTH, &value))
m_cursorSize.setWidth(value);
if (!drmGetCap(m_screen->device()->fd(), DRM_CAP_CURSOR_HEIGHT, &value))
m_cursorSize.setHeight(value);
m_cursorBufferObject = gbm_bo_create(m_graphicsBufferManager, m_cursorSize.width(), m_cursorSize.height(),
GBM_FORMAT_ARGB8888, GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE);
}
QKmsCursor::~QKmsCursor()
{
drmModeSetCursor(m_screen->device()->fd(), m_screen->crtcId(), 0, 0, 0);
gbm_bo_destroy(m_cursorBufferObject);
}
void QKmsCursor::pointerEvent(const QMouseEvent &event)
{
m_moved = true;
int status = drmModeMoveCursor(m_screen->device()->fd(),
m_screen->crtcId(),
event.globalX(),
event.globalY());
if (status) {
qWarning("failed to move cursor: %d", status);
}
}
void QKmsCursor::changeCursor(QCursor *windowCursor, QWindow *window)
{
Q_UNUSED(window)
if (!m_moved)
drmModeMoveCursor(m_screen->device()->fd(), m_screen->crtcId(), 0, 0);
const Qt::CursorShape newShape = windowCursor ? windowCursor->shape() : Qt::ArrowCursor;
if (newShape != Qt::BitmapCursor) {
m_cursorImage->set(newShape);
} else {
m_cursorImage->set(windowCursor->pixmap().toImage(),
windowCursor->hotSpot().x(),
windowCursor->hotSpot().y());
}
if (m_cursorImage->image()->width() > m_cursorSize.width() || m_cursorImage->image()->width() > m_cursorSize.height())
qWarning("cursor larger than %dx%d, cursor truncated", m_cursorSize.width(), m_cursorSize.height());
QImage cursorImage = m_cursorImage->image()->convertToFormat(QImage::Format_ARGB32)
.copy(0, 0, m_cursorSize.width(), m_cursorSize.height());
gbm_bo_write(m_cursorBufferObject, cursorImage.constBits(), cursorImage.byteCount());
quint32 handle = gbm_bo_get_handle(m_cursorBufferObject).u32;
int status = drmModeSetCursor(m_screen->device()->fd(),
m_screen->crtcId(), handle,
m_cursorSize.width(), m_cursorSize.height());
if (status) {
qWarning("failed to set cursor: %d", status);
}
}
QT_END_NAMESPACE
|
