mirror of
https://github.com/qbittorrent/qBittorrent.git
synced 2024-12-16 13:11:36 +03:00
118 lines
3.9 KiB
C++
118 lines
3.9 KiB
C++
/*
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* Bittorrent Client using Qt4 and libtorrent.
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* Copyright (C) 2011 Christophe Dumez
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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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* Contact : chris@qbittorrent.org
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*/
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#include "iconprovider.h"
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#include "preferences.h"
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IconProvider* IconProvider::m_instance = 0;
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IconProvider::IconProvider()
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{
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#if defined(Q_WS_X11) && (QT_VERSION >= QT_VERSION_CHECK(4,6,0))
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m_useSystemTheme = Preferences().useSystemIconTheme();
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#endif
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}
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IconProvider * IconProvider::instance()
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{
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if(!m_instance)
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m_instance = new IconProvider;
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return m_instance;
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}
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void IconProvider::drop()
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{
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if(m_instance) {
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delete m_instance;
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m_instance = 0;
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}
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}
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QIcon IconProvider::getIcon(const QString &iconId)
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{
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#if defined(Q_WS_X11) && (QT_VERSION >= QT_VERSION_CHECK(4,6,0))
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if(m_useSystemTheme) {
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QIcon icon = QIcon::fromTheme(iconId, QIcon(":/Icons/oxygen/"+iconId+".png"));
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icon = generateDifferentSizes(icon);
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return icon;
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}
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#endif
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return QIcon(":/Icons/oxygen/"+iconId+".png");
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}
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#if defined(Q_WS_X11) && (QT_VERSION >= QT_VERSION_CHECK(4,6,0))
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void IconProvider::useSystemIconTheme(bool enable)
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{
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m_useSystemTheme = enable;
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}
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// Makes sure the icon is at least available in 16px and 24px size
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// It scales the icon from the theme if necessary
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// Otherwise, the UI looks broken if the icon is not available
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// in the correct size.
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QIcon IconProvider::generateDifferentSizes(const QIcon &icon)
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{
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QIcon new_icon;
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QList<QSize> required_sizes;
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required_sizes << QSize(16, 16) << QSize(24, 24);
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QList<QIcon::Mode> modes;
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modes << QIcon::Normal << QIcon::Active << QIcon::Selected << QIcon::Disabled;
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foreach(const QSize& size, required_sizes) {
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foreach(QIcon::Mode mode, modes) {
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QPixmap pixoff = icon.pixmap(size, mode, QIcon::Off);
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if(pixoff.height() > size.height())
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pixoff = pixoff.scaled(size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
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new_icon.addPixmap(pixoff, mode, QIcon::Off);
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QPixmap pixon = icon.pixmap(size, mode, QIcon::On);
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if(pixon.height() > size.height())
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pixon = pixoff.scaled(size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
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new_icon.addPixmap(pixon, mode, QIcon::On);
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}
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}
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return new_icon;
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}
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#endif
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QString IconProvider::getIconPath(const QString &iconId)
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{
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#if defined(Q_WS_X11) && (QT_VERSION >= QT_VERSION_CHECK(4,6,0))
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if(m_useSystemTheme) {
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QString path = QDir::temp().absoluteFilePath(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()) return ":/Icons/oxygen/"+iconId+".png";
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QPixmap px = icon.pixmap(32);
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px.save(path);
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}
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return path;
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}
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#endif
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return ":/Icons/oxygen/"+iconId+".png";
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}
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