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// Copyright (C) 2016 Thorben Kroeger <thorbenkroeger@gmail.com>.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "themechooser.h"
#include "coreconstants.h"
#include "coreplugintr.h"
#include "icore.h"
#include <utils/algorithm.h>
#include <utils/theme/theme.h>
#include <utils/theme/theme_p.h>
#include <QAbstractListModel>
#include <QComboBox>
#include <QDir>
#include <QHBoxLayout>
#include <QLabel>
#include <QSettings>
#include <QSpacerItem>
using namespace Utils;
namespace Core::Internal {
const char themeNameKey[] = "ThemeName";
ThemeEntry::ThemeEntry(Id id, const QString &filePath)
: m_id(id)
, m_filePath(filePath)
{}
Id ThemeEntry::id() const
{
return m_id;
}
QString ThemeEntry::displayName() const
{
if (m_displayName.isEmpty() && !m_filePath.isEmpty()) {
QSettings settings(m_filePath, QSettings::IniFormat);
m_displayName = settings.value(QLatin1String(themeNameKey),
Tr::tr("unnamed")).toString();
}
return m_displayName;
}
QString ThemeEntry::filePath() const
{
return m_filePath;
}
class ThemeListModel final : public QAbstractListModel
{
public:
ThemeListModel() = default;
int rowCount(const QModelIndex &parent) const final
{
return parent.isValid() ? 0 : m_themes.size();
}
QVariant data(const QModelIndex &index, int role) const final
{
if (role == Qt::DisplayRole)
return m_themes.at(index.row()).displayName();
return QVariant();
}
void removeTheme(int index)
{
beginRemoveRows(QModelIndex(), index, index);
m_themes.removeAt(index);
endRemoveRows();
}
void setThemes(const QList<ThemeEntry> &themes)
{
beginResetModel();
m_themes = themes;
endResetModel();
}
const ThemeEntry &themeAt(int index) const
{
return m_themes.at(index);
}
private:
QList<ThemeEntry> m_themes;
};
class ThemeChooserPrivate
{
public:
ThemeListModel m_themeListModel;
QComboBox *m_themeComboBox;
};
ThemeChooser::ThemeChooser()
: d(new ThemeChooserPrivate)
{
d->m_themeComboBox = new QComboBox;
const QList<ThemeEntry> themes = ThemeEntry::availableThemes();
d->m_themeListModel.setThemes(themes);
d->m_themeComboBox->setModel(&d->m_themeListModel);
const int selected =
Utils::indexOf(themes, Utils::equal(&ThemeEntry::id, ThemeEntry::themeSetting()));
if (selected >= 0)
d->m_themeComboBox->setCurrentIndex(selected);
auto layout = new QHBoxLayout(this);
layout->setContentsMargins(0, 0, 0, 0);
layout->addWidget(d->m_themeComboBox);
layout->addWidget(new QLabel(Tr::tr("Current theme: %1").arg(creatorTheme()->displayName())));
layout->addSpacerItem(new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum));
}
ThemeChooser::~ThemeChooser()
{
delete d;
}
static QString defaultThemeId()
{
switch (Theme::systemColorScheme()) {
case Qt::ColorScheme::Light:
return "light-2024";
case Qt::ColorScheme::Dark:
return "dark-2024";
default:
return "flat";
}
}
void ThemeChooser::apply()
{
const int index = d->m_themeComboBox->currentIndex();
if (index == -1)
return;
const QString themeId = d->m_themeListModel.themeAt(index).id().toString();
QtcSettings *settings = ICore::settings();
const QString currentThemeId = ThemeEntry::themeSetting().toString();
if (currentThemeId != themeId) {
// save filename of selected theme in global config
settings->setValueWithDefault(Constants::SETTINGS_THEME, themeId, defaultThemeId());
ICore::askForRestart(Tr::tr("The theme change will take effect after restart."));
}
}
static void addThemesFromPath(const QString &path, QList<ThemeEntry> *themes)
{
static const QLatin1String extension("*.creatortheme");
QDir themeDir(path);
themeDir.setNameFilters({extension});
themeDir.setFilter(QDir::Files);
const QStringList themeList = themeDir.entryList();
for (const QString &fileName : std::as_const(themeList)) {
QString id = QFileInfo(fileName).completeBaseName();
themes->append(ThemeEntry(Id::fromString(id), themeDir.absoluteFilePath(fileName)));
}
}
QList<ThemeEntry> ThemeEntry::availableThemes()
{
QList<ThemeEntry> themes;
static const FilePath installThemeDir = ICore::resourcePath("themes");
static const FilePath userThemeDir = ICore::userResourcePath("themes");
addThemesFromPath(installThemeDir.toUrlishString(), &themes);
if (themes.isEmpty())
qWarning() << "Warning: No themes found in installation: "
<< installThemeDir.toUserOutput();
// move default theme to front
const int defaultIndex = Utils::indexOf(themes, Utils::equal(&ThemeEntry::id,
Id::fromString(defaultThemeId())));
if (defaultIndex > 0) { // == exists and not at front
ThemeEntry defaultEntry = themes.takeAt(defaultIndex);
themes.prepend(defaultEntry);
}
addThemesFromPath(userThemeDir.toUrlishString(), &themes);
return themes;
}
Id ThemeEntry::themeSetting()
{
const Id setting = Id::fromSetting(
ICore::settings()->value(Constants::SETTINGS_THEME, defaultThemeId()));
const QList<ThemeEntry> themes = availableThemes();
if (themes.empty())
return Id();
const bool settingValid = Utils::contains(themes, Utils::equal(&ThemeEntry::id, setting));
return settingValid ? setting : themes.first().id();
}
Theme *ThemeEntry::createTheme(Id id)
{
if (!id.isValid())
return nullptr;
const ThemeEntry entry = Utils::findOrDefault(availableThemes(),
Utils::equal(&ThemeEntry::id, id));
if (!entry.id().isValid())
return nullptr;
QSettings themeSettings(entry.filePath(), QSettings::IniFormat);
Theme *theme = new Theme(entry.id().toString());
theme->readSettings(themeSettings);
return theme;
}
} // namespace Core::Internal
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