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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qinputcontrol_p.h"
#include <QtGui/qevent.h>
QT_BEGIN_NAMESPACE
QInputControl::QInputControl(Type type, QObject *parent)
: QObject(parent)
, m_type(type)
{
}
QInputControl::QInputControl(Type type, QObjectPrivate &dd, QObject *parent)
: QObject(dd, parent)
, m_type(type)
{
}
bool QInputControl::isAcceptableInput(const QKeyEvent *event) const
{
const QString text = event->text();
if (text.isEmpty())
return false;
const QChar c = text.at(0);
// Formatting characters such as ZWNJ, ZWJ, RLM, etc. This needs to go before the
// next test, since CTRL+SHIFT is sometimes used to input it on Windows.
if (c.category() == QChar::Other_Format)
return true;
// QTBUG-35734: ignore Ctrl/Ctrl+Shift; accept only AltGr (Alt+Ctrl) on German keyboards
if (event->modifiers() == Qt::ControlModifier
|| event->modifiers() == (Qt::ShiftModifier | Qt::ControlModifier)) {
return false;
}
if (c.isPrint())
return true;
if (c.category() == QChar::Other_PrivateUse)
return true;
if (m_type == TextEdit && c == QLatin1Char('\t'))
return true;
return false;
}
QT_END_NAMESPACE
|
