Some work about adaptive color scheme for Web UI (PR #19901)
http://[316:c51a:62a3:8b9::4]/d4708/qBittorrent/src/branch/adaptive-webui
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118 lines
3.9 KiB
118 lines
3.9 KiB
/* |
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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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