153 lines
4.1 KiB
C++
153 lines
4.1 KiB
C++
/* BEGIN_COMMON_COPYRIGHT_HEADER
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* (c)LGPL2+
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*
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* Razor - a lightweight, Qt based, desktop toolset
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* http://razor-qt.org
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*
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* Copyright: 2010-2011 Razor team
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* Authors:
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* Alexander Sokoloff <sokoloff.a@gmail.com>
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*
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* This program or library is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*
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* END_COMMON_COPYRIGHT_HEADER */
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#include "xdgicon.h"
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#include <QString>
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#include <QDebug>
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#include <QDir>
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#include <QStringList>
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#include <QFileInfo>
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#include <QCache>
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#include "internal/qiconloader_p.h"
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#include <QCoreApplication>
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/************************************************
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************************************************/
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static void qt_cleanup_icon_cache();
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typedef QCache<QString, QIcon> IconCache;
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namespace
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{
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struct QtIconCache : public IconCache
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{
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QtIconCache()
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{
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qAddPostRoutine(qt_cleanup_icon_cache);
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}
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};
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}
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Q_GLOBAL_STATIC(IconCache, qtIconCache)
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static void qt_cleanup_icon_cache()
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{
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qtIconCache()->clear();
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}
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/************************************************
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************************************************/
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XdgIcon::XdgIcon()
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{
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}
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/************************************************
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************************************************/
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XdgIcon::~XdgIcon()
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{
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}
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/************************************************
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Returns the name of the current icon theme.
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************************************************/
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QString XdgIcon::themeName()
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{
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return QIcon::themeName();
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}
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/************************************************
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Sets the current icon theme to name.
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************************************************/
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void XdgIcon::setThemeName(const QString &themeName)
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{
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QIcon::setThemeName(themeName);
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QtXdg::QIconLoader::instance()->updateSystemTheme();
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}
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/************************************************
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Returns the QIcon corresponding to name in the current icon theme. If no such icon
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is found in the current theme fallback is return instead.
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************************************************/
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QIcon XdgIcon::fromTheme(const QString &iconName, const QIcon &fallback)
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{
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if (iconName.isEmpty())
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return fallback;
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bool isAbsolute = (iconName[0] == '/');
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QString name = QFileInfo(iconName).fileName();
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if (name.endsWith(".png", Qt::CaseInsensitive) ||
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name.endsWith(".svg", Qt::CaseInsensitive) ||
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name.endsWith(".xpm", Qt::CaseInsensitive))
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{
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name.truncate(name.length() - 4);
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}
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QIcon icon;
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if (qtIconCache()->contains(name))
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{
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icon = *qtIconCache()->object(name);
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}
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else
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{
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QIcon *cachedIcon;
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if (!isAbsolute)
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cachedIcon = new QIcon(new QtXdg::QIconLoaderEngineFixed(name));
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else
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cachedIcon = new QIcon(iconName);
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qtIconCache()->insert(name, cachedIcon);
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icon = *cachedIcon;
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}
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// Note the qapp check is to allow lazy loading of static icons
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// Supporting fallbacks will not work for this case.
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if (qApp && !isAbsolute && icon.availableSizes().isEmpty())
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{
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return fallback;
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}
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return icon;
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}
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/************************************************
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Returns the QIcon corresponding to names in the current icon theme. If no such icon
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is found in the current theme fallback is return instead.
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************************************************/
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QIcon XdgIcon::fromTheme(const QStringList &iconNames, const QIcon &fallback)
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{
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foreach (QString iconName, iconNames)
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{
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QIcon icon = fromTheme(iconName);
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if (!icon.isNull())
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return icon;
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}
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return fallback;
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}
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