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https://github.com/qbittorrent/qBittorrent.git
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87 lines
2.9 KiB
C++
87 lines
2.9 KiB
C++
/*
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* Bittorrent Client using Qt and libtorrent.
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* Copyright (C) 2019 Prince Gupta <jagannatharjun11@gmail.com>
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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,
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* 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
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* you modify file(s), you may extend this exception to your version of the
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* file(s), but you are not obligated to do so. If you do not wish to do so,
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* delete this exception statement from your version.
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*/
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#pragma once
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#include <QtGlobal>
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#include <QColor>
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#include <QHash>
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#include <QIcon>
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#include <QObject>
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#include <QString>
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#include "base/pathfwd.h"
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class UIThemeSource
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{
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public:
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virtual ~UIThemeSource() = default;
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virtual QByteArray readStyleSheet() = 0;
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virtual QByteArray readConfig() = 0;
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virtual Path iconPath(const QString &iconId) const = 0;
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};
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class UIThemeManager : public QObject
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{
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Q_OBJECT
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Q_DISABLE_COPY_MOVE(UIThemeManager)
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public:
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static void initInstance();
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static void freeInstance();
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static UIThemeManager *instance();
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Path getIconPath(const QString &iconId) const;
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QIcon getIcon(const QString &iconId, const QString &fallback = {}) const;
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QIcon getFlagIcon(const QString &countryIsoCode) const;
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QColor getColor(const QString &id, const QColor &defaultColor) const;
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#ifndef Q_OS_MACOS
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QIcon getSystrayIcon() const;
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#endif
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private:
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UIThemeManager(); // singleton class
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Path getIconPathFromResources(const QString &iconId, const QString &fallback = {}) const;
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void loadColorsFromJSONConfig();
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void applyPalette() const;
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void applyStyleSheet() const;
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static UIThemeManager *m_instance;
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const bool m_useCustomTheme;
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std::unique_ptr<UIThemeSource> m_themeSource;
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QHash<QString, QColor> m_colors;
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mutable QHash<QString, QIcon> m_iconCache;
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mutable QHash<QString, QIcon> m_flagCache;
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#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS))
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const bool m_useSystemTheme;
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#endif
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};
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