forked from qt-creator/qt-creator
96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2022 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "codecchooser.h"
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#include <utils/algorithm.h>
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#include <QTextCodec>
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namespace TextEditor {
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CodecChooser::CodecChooser()
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{
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QList<int> mibs = QTextCodec::availableMibs();
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Utils::sort(mibs);
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QList<int>::iterator firstNonNegative =
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std::find_if(mibs.begin(), mibs.end(), [](int n) { return n >=0; });
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if (firstNonNegative != mibs.end())
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std::rotate(mibs.begin(), firstNonNegative, mibs.end());
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for (int mib : qAsConst(mibs)) {
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if (QTextCodec *codec = QTextCodec::codecForMib(mib)) {
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QString compoundName = QLatin1String(codec->name());
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const QList<QByteArray> aliases = codec->aliases();
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for (const QByteArray &alias : aliases) {
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compoundName += QLatin1String(" / ");
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compoundName += QString::fromLatin1(alias);
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}
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addItem(compoundName);
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m_codecs.append(codec);
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}
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}
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connect(this, &QComboBox::currentIndexChanged,
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this, [this](int index) { emit codecChanged(m_codecs.at(index)); });
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}
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QTextCodec *CodecChooser::currentCodec() const
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{
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return codecAt(currentIndex());
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}
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QTextCodec *CodecChooser::codecAt(int index) const
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{
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if (index < 0)
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index = 0;
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return m_codecs[index];
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}
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void CodecChooser::setAssignedCodec(QTextCodec *codec, const QString &name)
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{
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int rememberedSystemPosition = -1;
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for (int i = 0, total = m_codecs.size(); i < total; ++i) {
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if (codec != m_codecs.at(i))
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continue;
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if (itemText(i) == name) {
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setCurrentIndex(i);
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return;
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}
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// we've got System matching encoding - but have explicitly set the codec
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rememberedSystemPosition = i;
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}
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if (rememberedSystemPosition != -1)
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setCurrentIndex(rememberedSystemPosition);
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}
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QByteArray CodecChooser::assignedCodecName() const
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{
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const int index = currentIndex();
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return index == 0
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? QByteArray("System") // we prepend System to the available codecs
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: m_codecs.at(index)->name();
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}
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} // TextEditor
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