mirror of
https://github.com/qbittorrent/qBittorrent.git
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121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
/*
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* Bittorrent Client using Qt and libtorrent.
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* Copyright (C) 2015 Vladimir Golovnev <glassez@yandex.ru>
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* Copyright (C) 2011 Christophe Dumez <chris@qbittorrent.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* In addition, as a special exception, the copyright holders give permission to
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* link this program with the OpenSSL project's "OpenSSL" library (or with
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* modified versions of it that use the same license as the "OpenSSL" library),
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* and distribute the linked executables. You must obey the GNU General Public
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* License in all respects for all of the code used other than "OpenSSL". If you
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* modify file(s), you may extend this exception to your version of the file(s),
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* but you are not obligated to do so. If you do not wish to do so, delete this
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* exception statement from your version.
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*/
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#include "guiiconprovider.h"
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#include <QHash>
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#include <QIcon>
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#include <QVector>
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#if (defined(Q_OS_UNIX) && !defined(Q_OS_MAC))
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#include <QDir>
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#include <QFile>
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#endif
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#include "base/preferences.h"
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#include "base/utils/fs.h"
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GuiIconProvider::GuiIconProvider(QObject *parent)
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: IconProvider(parent)
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{
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configure();
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connect(Preferences::instance(), &Preferences::changed, this, &GuiIconProvider::configure);
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}
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GuiIconProvider::~GuiIconProvider() = default;
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void GuiIconProvider::initInstance()
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{
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if (!m_instance)
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m_instance = new GuiIconProvider;
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}
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GuiIconProvider *GuiIconProvider::instance()
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{
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return static_cast<GuiIconProvider *>(m_instance);
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}
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QIcon GuiIconProvider::getIcon(const QString &iconId) const
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{
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return getIcon(iconId, iconId);
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}
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QIcon GuiIconProvider::getIcon(const QString &iconId, const QString &fallback) const
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{
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#if (defined(Q_OS_UNIX) && !defined(Q_OS_MAC))
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if (m_useSystemTheme) {
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QIcon icon = QIcon::fromTheme(iconId);
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if (icon.name() != iconId)
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icon = QIcon::fromTheme(fallback, QIcon(IconProvider::getIconPath(iconId)));
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return icon;
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}
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#else
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Q_UNUSED(fallback)
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#endif
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// cache to avoid rescaling svg icons
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static QHash<QString, QIcon> iconCache;
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const auto iter = iconCache.find(iconId);
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if (iter != iconCache.end())
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return *iter;
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const QIcon icon {IconProvider::getIconPath(iconId)};
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iconCache[iconId] = icon;
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return icon;
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}
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QIcon GuiIconProvider::getFlagIcon(const QString &countryIsoCode) const
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{
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if (countryIsoCode.isEmpty()) return QIcon();
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return QIcon(":/icons/flags/" + countryIsoCode.toLower() + ".svg");
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}
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QString GuiIconProvider::getIconPath(const QString &iconId) const
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{
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#if (defined(Q_OS_UNIX) && !defined(Q_OS_MAC))
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if (m_useSystemTheme) {
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QString path = Utils::Fs::tempPath() + iconId + ".png";
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if (!QFile::exists(path)) {
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const QIcon icon = QIcon::fromTheme(iconId);
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if (!icon.isNull())
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icon.pixmap(32).save(path);
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else
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path = IconProvider::getIconPath(iconId);
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}
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return path;
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}
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#endif
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return IconProvider::getIconPath(iconId);
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}
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void GuiIconProvider::configure()
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{
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#if (defined(Q_OS_UNIX) && !defined(Q_OS_MAC))
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m_useSystemTheme = Preferences::instance()->useSystemIconTheme();
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#endif
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}
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