summaryrefslogtreecommitdiff
path: root/src/libs/utils/completinglineedit.cpp
blob: 7c04369313bd80c22fbc198642c4fabd3b4d7619 (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
/****************************************************************************
**
** Copyright (C) 2014 Orgad Shaneh <orgads@gmail.com>.
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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://www.qt.io/licensing.  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 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.
**
****************************************************************************/

#include "completinglineedit.h"

#include <QAbstractItemView>
#include <QCompleter>
#include <QEvent>
#include <QKeyEvent>

namespace Utils {

CompletingLineEdit::CompletingLineEdit(QWidget *parent) :
    QLineEdit(parent)
{
}

bool CompletingLineEdit::event(QEvent *e)
{
    // workaround for QTCREATORBUG-9453
    if (e->type() == QEvent::ShortcutOverride) {
        if (QCompleter *comp = completer()) {
            if (comp->popup() && comp->popup()->isVisible()) {
                QKeyEvent *ke = static_cast<QKeyEvent *>(e);
                if (ke->key() == Qt::Key_Escape && !ke->modifiers()) {
                    ke->accept();
                    return true;
                }
            }
        }
    }
    return QLineEdit::event(e);
}

void CompletingLineEdit::keyPressEvent(QKeyEvent *e)
{
    if (e->key() == Qt::Key_Down && !e->modifiers()) {
        if (QCompleter *comp = completer()) {
            if (text().isEmpty() && !comp->popup()->isVisible()) {
                comp->setCompletionPrefix(QString());
                comp->complete();
            }
        }
    }
    return QLineEdit::keyPressEvent(e);
}

} // namespace Utils