153 lines
3.9 KiB
C++
153 lines
3.9 KiB
C++
/* BEGIN_COMMON_COPYRIGHT_HEADER
|
|
* (c)LGPL2+
|
|
*
|
|
* Razor - a lightweight, Qt based, desktop toolset
|
|
* http://razor-qt.org
|
|
*
|
|
* Copyright: 2010-2011 Razor team
|
|
* Authors:
|
|
* Alexander Sokoloff <sokoloff.a@gmail.com>
|
|
*
|
|
* This program or library is free software; you can redistribute it
|
|
* and/or modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
|
|
* You should have received a copy of the GNU Lesser General
|
|
* Public License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA
|
|
*
|
|
* END_COMMON_COPYRIGHT_HEADER */
|
|
|
|
#include "xdgicon.h"
|
|
|
|
#include <QString>
|
|
#include <QDebug>
|
|
#include <QDir>
|
|
#include <QStringList>
|
|
#include <QFileInfo>
|
|
#include <QCache>
|
|
#include "internal/qiconloader_p.h"
|
|
#include <QCoreApplication>
|
|
|
|
/************************************************
|
|
|
|
************************************************/
|
|
static void qt_cleanup_icon_cache();
|
|
typedef QCache<QString, QIcon> IconCache;
|
|
|
|
namespace
|
|
{
|
|
struct QtIconCache : public IconCache
|
|
{
|
|
QtIconCache()
|
|
{
|
|
qAddPostRoutine(qt_cleanup_icon_cache);
|
|
}
|
|
};
|
|
}
|
|
Q_GLOBAL_STATIC(IconCache, qtIconCache);
|
|
|
|
static void qt_cleanup_icon_cache()
|
|
{
|
|
qtIconCache()->clear();
|
|
}
|
|
|
|
/************************************************
|
|
|
|
************************************************/
|
|
XdgIcon::XdgIcon()
|
|
{
|
|
}
|
|
|
|
/************************************************
|
|
|
|
************************************************/
|
|
XdgIcon::~XdgIcon()
|
|
{
|
|
}
|
|
|
|
/************************************************
|
|
Returns the name of the current icon theme.
|
|
************************************************/
|
|
QString XdgIcon::themeName()
|
|
{
|
|
return QIcon::themeName();
|
|
}
|
|
|
|
/************************************************
|
|
Sets the current icon theme to name.
|
|
************************************************/
|
|
void XdgIcon::setThemeName(const QString &themeName)
|
|
{
|
|
QIcon::setThemeName(themeName);
|
|
QtXdg::QIconLoader::instance()->updateSystemTheme();
|
|
}
|
|
|
|
/************************************************
|
|
Returns the QIcon corresponding to name in the current icon theme. If no such icon
|
|
is found in the current theme fallback is return instead.
|
|
************************************************/
|
|
QIcon XdgIcon::fromTheme(const QString &iconName, const QIcon &fallback)
|
|
{
|
|
if (iconName.isEmpty())
|
|
return fallback;
|
|
|
|
bool isAbsolute = (iconName[0] == '/');
|
|
|
|
QString name = QFileInfo(iconName).fileName();
|
|
if (name.endsWith(".png", Qt::CaseInsensitive) ||
|
|
name.endsWith(".svg", Qt::CaseInsensitive) ||
|
|
name.endsWith(".xpm", Qt::CaseInsensitive))
|
|
{
|
|
name.truncate(name.length() - 4);
|
|
}
|
|
|
|
QIcon icon;
|
|
|
|
if (qtIconCache()->contains(name))
|
|
{
|
|
icon = *qtIconCache()->object(name);
|
|
}
|
|
else
|
|
{
|
|
QIcon *cachedIcon;
|
|
if (!isAbsolute)
|
|
cachedIcon = new QIcon(new QtXdg::QIconLoaderEngineFixed(name));
|
|
else
|
|
cachedIcon = new QIcon(iconName);
|
|
qtIconCache()->insert(name, cachedIcon);
|
|
icon = *cachedIcon;
|
|
}
|
|
|
|
// Note the qapp check is to allow lazy loading of static icons
|
|
// Supporting fallbacks will not work for this case.
|
|
if (qApp && !isAbsolute && icon.availableSizes().isEmpty())
|
|
{
|
|
return fallback;
|
|
}
|
|
return icon;
|
|
}
|
|
|
|
/************************************************
|
|
Returns the QIcon corresponding to names in the current icon theme. If no such icon
|
|
is found in the current theme fallback is return instead.
|
|
************************************************/
|
|
QIcon XdgIcon::fromTheme(const QStringList &iconNames, const QIcon &fallback)
|
|
{
|
|
foreach (QString iconName, iconNames)
|
|
{
|
|
QIcon icon = fromTheme(iconName);
|
|
if (!icon.isNull())
|
|
return icon;
|
|
}
|
|
|
|
return fallback;
|
|
}
|