summaryrefslogtreecommitdiffstats
path: root/examples/tools/codecs/previewform.cpp
blob: 24535032d15087c50c88fb8385e2b1de1b6504b3 (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
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
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtGui>

#include "previewform.h"

PreviewForm::PreviewForm(QWidget *parent)
    : QDialog(parent)
{
    encodingComboBox = new QComboBox;

    encodingLabel = new QLabel(tr("&Encoding:"));
    encodingLabel->setBuddy(encodingComboBox);

    textEdit = new QTextEdit;
    textEdit->setLineWrapMode(QTextEdit::NoWrap);
    textEdit->setReadOnly(true);

    buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
                                    | QDialogButtonBox::Cancel);

    connect(encodingComboBox, SIGNAL(activated(int)),
            this, SLOT(updateTextEdit()));
    connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

    QGridLayout *mainLayout = new QGridLayout;
    mainLayout->addWidget(encodingLabel, 0, 0);
    mainLayout->addWidget(encodingComboBox, 0, 1);
    mainLayout->addWidget(textEdit, 1, 0, 1, 2);
    mainLayout->addWidget(buttonBox, 2, 0, 1, 2);
    setLayout(mainLayout);

    setWindowTitle(tr("Choose Encoding"));
    resize(400, 300);
}

void PreviewForm::setCodecList(const QList<QTextCodec *> &list)
{
    encodingComboBox->clear();
    foreach (QTextCodec *codec, list)
        encodingComboBox->addItem(codec->name(), codec->mibEnum());
}

void PreviewForm::setEncodedData(const QByteArray &data)
{
    encodedData = data;
    updateTextEdit();
}

void PreviewForm::updateTextEdit()
{
    int mib = encodingComboBox->itemData(
                      encodingComboBox->currentIndex()).toInt();
    QTextCodec *codec = QTextCodec::codecForMib(mib);

    QTextStream in(&encodedData);
    in.setAutoDetectUnicode(false);
    in.setCodec(codec);
    decodedStr = in.readAll();

    textEdit->setPlainText(decodedStr);
}