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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "mimetypemagicdialog.h"
#include "coreplugintr.h"
#include "icore.h"
#include <utils/headerviewstretcher.h>
#include <utils/layoutbuilder.h>
#include <utils/qtcassert.h>
#include <QDesktopServices>
#include <QMessageBox>
#include <QUrl>
using namespace Utils;
namespace Core::Internal {
static MimeMagicRule::Type typeValue(int i)
{
QTC_ASSERT(i < MimeMagicRule::Byte, return MimeMagicRule::Invalid);
return MimeMagicRule::Type(i + 1/*0==invalid*/);
}
MimeTypeMagicDialog::MimeTypeMagicDialog(QWidget *parent) :
QDialog(parent)
{
resize(582, 419);
setWindowTitle(Tr::tr("Add Magic Header"));
auto informationLabel = new QLabel;
informationLabel->setText(Tr::tr("<html><head/><body><p>MIME magic data is interpreted as defined "
"by the Shared MIME-info Database specification from "
"<a href=\"http://standards.freedesktop.org/shared-mime-info-spec/shared-mime-info-spec-latest.html\">"
"freedesktop.org</a>.<hr/></p></body></html>")); // FIXME: Simplify for translators
informationLabel->setWordWrap(true);
m_valueLineEdit = new QLineEdit;
m_typeSelector = new QComboBox;
m_typeSelector->addItem(Tr::tr("String"));
m_typeSelector->addItem(Tr::tr("RegExp"));
m_typeSelector->addItem(Tr::tr("Host16"));
m_typeSelector->addItem(Tr::tr("Host32"));
m_typeSelector->addItem(Tr::tr("Big16"));
m_typeSelector->addItem(Tr::tr("Big32"));
m_typeSelector->addItem(Tr::tr("Little16"));
m_typeSelector->addItem(Tr::tr("Little32"));
m_typeSelector->addItem(Tr::tr("Byte"));
m_maskLineEdit = new QLineEdit;
m_useRecommendedGroupBox = new QGroupBox(Tr::tr("Use Recommended"));
m_useRecommendedGroupBox->setCheckable(true);
m_noteLabel = new QLabel(Tr::tr("<html><head/><body><p><span style=\" font-style:italic;\">"
"Note: Wide range values might impact performance when opening "
"files.</span></p></body></html>"));
m_noteLabel->setTextFormat(Qt::RichText);
m_startRangeLabel = new QLabel(Tr::tr("Range start:"));
m_endRangeLabel = new QLabel(Tr::tr("Range end:"));
m_priorityLabel = new QLabel(Tr::tr("Priority:"));
m_prioritySpinBox = new QSpinBox(m_useRecommendedGroupBox);
m_prioritySpinBox->setMinimum(1);
m_prioritySpinBox->setValue(50);
m_startRangeSpinBox = new QSpinBox(m_useRecommendedGroupBox);
m_startRangeSpinBox->setMaximum(9999);
m_endRangeSpinBox = new QSpinBox(m_useRecommendedGroupBox);
m_endRangeSpinBox->setMaximum(9999);
auto buttonBox = new QDialogButtonBox(QDialogButtonBox::Cancel|QDialogButtonBox::Ok);
using namespace Utils::Layouting;
Column {
Form {
m_startRangeLabel, m_startRangeSpinBox, br,
m_endRangeLabel, m_endRangeSpinBox, br,
m_priorityLabel, m_prioritySpinBox, br,
},
m_noteLabel
}.attachTo(m_useRecommendedGroupBox);
Column {
informationLabel,
Form {
Tr::tr("Value:"), m_valueLineEdit, br,
Tr::tr("Type:"), m_typeSelector, st, br,
Tr::tr("Mask:"), m_maskLineEdit, br
},
m_useRecommendedGroupBox,
st,
buttonBox
}.attachTo(this);
connect(m_useRecommendedGroupBox, &QGroupBox::toggled,
this, &MimeTypeMagicDialog::applyRecommended);
connect(buttonBox, &QDialogButtonBox::accepted,
this, &MimeTypeMagicDialog::validateAccept);
connect(buttonBox, &QDialogButtonBox::rejected,
this, &QDialog::reject);
connect(informationLabel, &QLabel::linkActivated, this, [](const QString &link) {
QDesktopServices::openUrl(QUrl(link));
});
connect(m_typeSelector, &QComboBox::activated, this, [this] {
if (m_useRecommendedGroupBox->isChecked())
setToRecommendedValues();
});
applyRecommended(m_useRecommendedGroupBox->isChecked());
m_valueLineEdit->setFocus();
}
void MimeTypeMagicDialog::setToRecommendedValues()
{
m_startRangeSpinBox->setValue(0);
m_endRangeSpinBox->setValue(m_typeSelector->currentIndex() == 1/*regexp*/ ? 200 : 0);
m_prioritySpinBox->setValue(50);
}
void MimeTypeMagicDialog::applyRecommended(bool checked)
{
if (checked) {
// save previous custom values
m_customRangeStart = m_startRangeSpinBox->value();
m_customRangeEnd = m_endRangeSpinBox->value();
m_customPriority = m_prioritySpinBox->value();
setToRecommendedValues();
} else {
// restore previous custom values
m_startRangeSpinBox->setValue(m_customRangeStart);
m_endRangeSpinBox->setValue(m_customRangeEnd);
m_prioritySpinBox->setValue(m_customPriority);
}
m_startRangeLabel->setEnabled(!checked);
m_startRangeSpinBox->setEnabled(!checked);
m_endRangeLabel->setEnabled(!checked);
m_endRangeSpinBox->setEnabled(!checked);
m_priorityLabel->setEnabled(!checked);
m_prioritySpinBox->setEnabled(!checked);
m_noteLabel->setEnabled(!checked);
}
void MimeTypeMagicDialog::validateAccept()
{
QString errorMessage;
MimeMagicRule rule = createRule(&errorMessage);
if (rule.isValid())
accept();
else
QMessageBox::critical(ICore::dialogParent(), Tr::tr("Error"), errorMessage);
}
void MimeTypeMagicDialog::setMagicData(const MagicData &data)
{
m_valueLineEdit->setText(QString::fromUtf8(data.m_rule.value()));
m_typeSelector->setCurrentIndex(data.m_rule.type() - 1/*0 == invalid*/);
m_maskLineEdit->setText(QString::fromLatin1(MagicData::normalizedMask(data.m_rule)));
m_useRecommendedGroupBox->setChecked(false); // resets values
m_startRangeSpinBox->setValue(data.m_rule.startPos());
m_endRangeSpinBox->setValue(data.m_rule.endPos());
m_prioritySpinBox->setValue(data.m_priority);
}
MagicData MimeTypeMagicDialog::magicData() const
{
MagicData data(createRule(), m_prioritySpinBox->value());
return data;
}
bool MagicData::operator==(const MagicData &other) const
{
return m_priority == other.m_priority && m_rule == other.m_rule;
}
/*!
Returns the mask, or an empty string if the mask is the default mask which is set by
MimeMagicRule when setting an empty mask for string patterns.
*/
QByteArray MagicData::normalizedMask(const MimeMagicRule &rule)
{
// convert mask and see if it is the "default" one (which corresponds to "empty" mask)
// see MimeMagicRule constructor
QByteArray mask = rule.mask();
if (rule.type() == MimeMagicRule::String) {
QByteArray actualMask = QByteArray::fromHex(QByteArray::fromRawData(mask.constData() + 2,
mask.size() - 2));
if (actualMask.count(char(-1)) == actualMask.size()) {
// is the default-filled 0xfffffffff mask
mask.clear();
}
}
return mask;
}
MimeMagicRule MimeTypeMagicDialog::createRule(QString *errorMessage) const
{
MimeMagicRule::Type type = typeValue(m_typeSelector->currentIndex());
MimeMagicRule rule(type,
m_valueLineEdit->text().toUtf8(),
m_startRangeSpinBox->value(),
m_endRangeSpinBox->value(),
m_maskLineEdit->text().toLatin1(),
errorMessage);
if (type == MimeMagicRule::Invalid) {
if (errorMessage)
*errorMessage = Tr::tr("Internal error: Type is invalid");
}
return rule;
}
} // Core::Internal
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