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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "highlightersettingspage.h"
#include "highlightersettings.h"
#include "highlighter.h"
#include <coreplugin/icore.h>
#include <utils/hostosinfo.h>
#include <utils/layoutbuilder.h>
#include <utils/pathchooser.h>
#include <QApplication>
#include <QDir>
#include <QLabel>
#include <QLineEdit>
#include <QMessageBox>
#include <QPointer>
#include <QPushButton>
using namespace TextEditor::Internal;
using namespace Utils;
namespace TextEditor {
namespace Internal {
class HighlighterSettingsPageWidget : public QWidget
{
public:
QLabel *definitionsInfolabel;
QPushButton *downloadDefinitions;
QLabel *updateStatus;
PathChooser *definitionFilesPath;
QPushButton *reloadDefinitions;
QPushButton *resetCache;
QLineEdit *ignoreEdit;
HighlighterSettingsPageWidget()
{
resize(521, 332);
definitionsInfolabel = new QLabel(this);
definitionsInfolabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
definitionsInfolabel->setTextFormat(Qt::RichText);
definitionsInfolabel->setAlignment(Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter);
definitionsInfolabel->setWordWrap(true);
definitionsInfolabel->setOpenExternalLinks(true);
definitionsInfolabel->setText(tr("<html><head/><body><p>Highlight definitions are provided by the "
"<a href=\"https://api.kde.org/frameworks/syntax-highlighting/html/index.html\">"
"KSyntaxHighlighting</a> engine.</p></body></html>"));
downloadDefinitions = new QPushButton(tr("Download Definitions"));
downloadDefinitions->setToolTip(tr("Download missing and update existing syntax definition files."));
updateStatus = new QLabel;
definitionFilesPath = new PathChooser;
definitionFilesPath->setExpectedKind(PathChooser::ExistingDirectory);
definitionFilesPath->setHistoryCompleter("TextEditor.Highlighter.History");
reloadDefinitions = new QPushButton(tr("Reload Definitions"));
reloadDefinitions->setToolTip(tr("Reload externally modified definition files."));
resetCache = new QPushButton(tr("Reset Remembered Definitions"));
resetCache->setToolTip(tr("Reset definitions remembered for files that can be "
"associated with more than one highlighter definition."));
ignoreEdit = new QLineEdit;
using namespace Layouting;
Column {
definitionsInfolabel,
Space(3),
Group {
title(tr("Syntax Highlight Definition Files")),
Column {
Row { downloadDefinitions, updateStatus, st },
Row { tr("User Highlight Definition Files"),
definitionFilesPath, reloadDefinitions },
Row { st, resetCache }
}
},
Row { tr("Ignored file patterns:"), ignoreEdit },
st
}.attachTo(this);
connect(downloadDefinitions, &QPushButton::pressed,
[label = QPointer<QLabel>(updateStatus)]() {
Highlighter::downloadDefinitions([label] {
if (label)
label->setText(tr("Download finished"));
});
});
connect(reloadDefinitions, &QPushButton::pressed, this, [] {
Highlighter::reload();
});
connect(resetCache, &QPushButton::clicked, this, [] {
Highlighter::clearDefinitionForDocumentCache();
});
}
};
} // Internal
class HighlighterSettingsPagePrivate
{
Q_DECLARE_TR_FUNCTIONS(TextEditor::Internal::HighlighterSettingsPage)
public:
HighlighterSettingsPagePrivate() = default;
void ensureInitialized();
void migrateGenericHighlighterFiles();
void settingsFromUI();
void settingsToUI();
bool settingsChanged();
bool m_initialized = false;
const QString m_settingsPrefix{"Text"};
HighlighterSettings m_settings;
QPointer<HighlighterSettingsPageWidget> m_widget;
};
void HighlighterSettingsPagePrivate::migrateGenericHighlighterFiles()
{
QDir userDefinitionPath(m_settings.definitionFilesPath().toString());
if (userDefinitionPath.mkdir("syntax")) {
const auto link = Utils::HostOsInfo::isAnyUnixHost()
? static_cast<bool(*)(const QString &, const QString &)>(&QFile::link)
: static_cast<bool(*)(const QString &, const QString &)>(&QFile::copy);
for (const QFileInfo &file : userDefinitionPath.entryInfoList({"*.xml"}, QDir::Files))
link(file.filePath(), file.absolutePath() + "/syntax/" + file.fileName());
}
}
void HighlighterSettingsPagePrivate::ensureInitialized()
{
if (m_initialized)
return;
m_initialized = true;
m_settings.fromSettings(m_settingsPrefix, Core::ICore::settings());
migrateGenericHighlighterFiles();
}
HighlighterSettingsPage::HighlighterSettingsPage()
: d(new HighlighterSettingsPagePrivate)
{
setId(Constants::TEXT_EDITOR_HIGHLIGHTER_SETTINGS);
setDisplayName(HighlighterSettingsPagePrivate::tr("Generic Highlighter"));
setCategory(TextEditor::Constants::TEXT_EDITOR_SETTINGS_CATEGORY);
setDisplayCategory(QCoreApplication::translate("TextEditor", "Text Editor"));
setCategoryIconPath(TextEditor::Constants::TEXT_EDITOR_SETTINGS_CATEGORY_ICON_PATH);
}
HighlighterSettingsPage::~HighlighterSettingsPage()
{
delete d;
}
QWidget *HighlighterSettingsPage::widget()
{
if (!d->m_widget) {
d->m_widget = new HighlighterSettingsPageWidget;
d->settingsToUI();
}
return d->m_widget;
}
void HighlighterSettingsPage::apply()
{
if (!d->m_widget) // page was not shown
return;
if (d->settingsChanged())
d->settingsFromUI();
}
void HighlighterSettingsPage::finish()
{
delete d->m_widget;
d->m_widget = nullptr;
}
const HighlighterSettings &HighlighterSettingsPage::highlighterSettings() const
{
d->ensureInitialized();
return d->m_settings;
}
void HighlighterSettingsPagePrivate::settingsFromUI()
{
ensureInitialized();
m_settings.setDefinitionFilesPath(m_widget->definitionFilesPath->filePath());
m_settings.setIgnoredFilesPatterns(m_widget->ignoreEdit->text());
m_settings.toSettings(m_settingsPrefix, Core::ICore::settings());
}
void HighlighterSettingsPagePrivate::settingsToUI()
{
ensureInitialized();
m_widget->definitionFilesPath->setFilePath(m_settings.definitionFilesPath());
m_widget->ignoreEdit->setText(m_settings.ignoredFilesPatterns());
}
bool HighlighterSettingsPagePrivate::settingsChanged()
{
ensureInitialized();
return m_settings.definitionFilesPath() != m_widget->definitionFilesPath->filePath()
|| m_settings.ignoredFilesPatterns() != m_widget->ignoreEdit->text();
}
} // TextEditor
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