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/****************************************************************************
**
** Copyright (C) 2016 Thorben Kroeger <thorbenkroeger@gmail.com>.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "coreconstants.h"
#include "icore.h"
#include "manhattanstyle.h"
#include "themechooser.h"
#include <utils/algorithm.h>
#include <utils/theme/theme.h>
#include <utils/theme/theme_p.h>
#include <QAbstractListModel>
#include <QComboBox>
#include <QCoreApplication>
#include <QDebug>
#include <QDir>
#include <QHBoxLayout>
#include <QLabel>
#include <QMessageBox>
#include <QSettings>
#include <QSpacerItem>
using namespace Utils;
static const char themeNameKey[] = "ThemeName";
namespace Core {
namespace Internal {
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),
QCoreApplication::tr("unnamed")).toString();
}
return m_displayName;
}
QString ThemeEntry::filePath() const
{
return m_filePath;
}
class ThemeListModel : public QAbstractListModel
{
public:
ThemeListModel(QObject *parent = nullptr):
QAbstractListModel(parent)
{
}
int rowCount(const QModelIndex &parent) const override
{
return parent.isValid() ? 0 : m_themes.size();
}
QVariant data(const QModelIndex &index, int role) const override
{
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:
ThemeChooserPrivate(QWidget *widget);
~ThemeChooserPrivate();
public:
ThemeListModel *m_themeListModel;
QComboBox *m_themeComboBox;
};
ThemeChooserPrivate::ThemeChooserPrivate(QWidget *widget)
: m_themeListModel(new ThemeListModel)
, m_themeComboBox(new QComboBox)
{
auto layout = new QHBoxLayout(widget);
layout->addWidget(m_themeComboBox);
auto overriddenLabel = new QLabel;
overriddenLabel->setText(ThemeChooser::tr("Current theme: %1")
.arg(creatorTheme()->displayName()));
layout->addWidget(overriddenLabel);
layout->setMargin(0);
auto horizontalSpacer = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum);
layout->addSpacerItem(horizontalSpacer);
m_themeComboBox->setModel(m_themeListModel);
const QList<ThemeEntry> themes = ThemeEntry::availableThemes();
const Id themeSetting = ThemeEntry::themeSetting();
const int selected = Utils::indexOf(themes, Utils::equal(&ThemeEntry::id, themeSetting));
m_themeListModel->setThemes(themes);
if (selected >= 0)
m_themeComboBox->setCurrentIndex(selected);
}
ThemeChooserPrivate::~ThemeChooserPrivate()
{
delete m_themeListModel;
}
ThemeChooser::ThemeChooser(QWidget *parent) :
QWidget(parent)
{
d = new ThemeChooserPrivate(this);
}
ThemeChooser::~ThemeChooser()
{
delete d;
}
void ThemeChooser::apply()
{
const int index = d->m_themeComboBox->currentIndex();
if (index == -1)
return;
const QString themeId = d->m_themeListModel->themeAt(index).id().toString();
QSettings *settings = ICore::settings();
const QString currentThemeId = ThemeEntry::themeSetting().toString();
if (currentThemeId != themeId) {
QMessageBox::information(ICore::mainWindow(), tr("Restart Required"),
tr("The theme change will take effect after restart."));
// save filename of selected theme in global config
settings->setValue(QLatin1String(Constants::SETTINGS_THEME), themeId);
}
}
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();
foreach (const QString &fileName, themeList) {
QString id = QFileInfo(fileName).completeBaseName();
themes->append(ThemeEntry(Id::fromString(id), themeDir.absoluteFilePath(fileName)));
}
}
QList<ThemeEntry> ThemeEntry::availableThemes()
{
QList<ThemeEntry> themes;
static const QString installThemeDir = ICore::resourcePath() + QLatin1String("/themes");
static const QString userThemeDir = ICore::userResourcePath() + QLatin1String("/themes");
addThemesFromPath(installThemeDir, &themes);
if (themes.isEmpty())
qWarning() << "Warning: No themes found in installation: "
<< QDir::toNativeSeparators(installThemeDir);
// move default theme to front
int defaultIndex = Utils::indexOf(themes, Utils::equal(&ThemeEntry::id, Id(Constants::DEFAULT_THEME)));
if (defaultIndex > 0) { // == exists and not at front
ThemeEntry defaultEntry = themes.takeAt(defaultIndex);
themes.prepend(defaultEntry);
}
addThemesFromPath(userThemeDir, &themes);
return themes;
}
Id ThemeEntry::themeSetting()
{
const Id setting =
Id::fromSetting(ICore::settings()->value(QLatin1String(Constants::SETTINGS_THEME),
QLatin1String(Constants::DEFAULT_THEME)));
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 Internal
} // namespace Core
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