qBittorrent/src/gui/iconprovider.cpp
Vladimir Golovnev (Glassez) ff9a281b72 Change project directory structure.
Change project directory structure according to application structure.
Change 'nox' configuration option to something more meaningful 'nogui'.
Rename 'Icons' folder to 'icons' (similar to other folders).
Partially add 'nowebui' option support.
Remove QConf project file.
2015-02-05 19:10:26 +03:00

123 lines
4 KiB
C++

/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2011 Christophe Dumez
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* Contact : chris@qbittorrent.org
*/
#include "iconprovider.h"
#include "preferences.h"
#if (defined(Q_OS_UNIX) && !defined(Q_OS_MAC))
#include <QDir>
#include <QFile>
#endif
IconProvider* IconProvider::m_instance = 0;
IconProvider::IconProvider()
{
#if (defined(Q_OS_UNIX) && !defined(Q_OS_MAC))
m_useSystemTheme = Preferences::instance()->useSystemIconTheme();
#endif
}
IconProvider * IconProvider::instance()
{
if (!m_instance)
m_instance = new IconProvider;
return m_instance;
}
void IconProvider::drop()
{
if (m_instance) {
delete m_instance;
m_instance = 0;
}
}
QIcon IconProvider::getIcon(const QString &iconId)
{
#if (defined(Q_OS_UNIX) && !defined(Q_OS_MAC))
if (m_useSystemTheme) {
QIcon icon = QIcon::fromTheme(iconId, QIcon(":/icons/oxygen/"+iconId+".png"));
icon = generateDifferentSizes(icon);
return icon;
}
#endif
return QIcon(":/icons/oxygen/"+iconId+".png");
}
#if (defined(Q_OS_UNIX) && !defined(Q_OS_MAC))
void IconProvider::useSystemIconTheme(bool enable)
{
m_useSystemTheme = enable;
}
// Makes sure the icon is at least available in 16px and 24px size
// It scales the icon from the theme if necessary
// Otherwise, the UI looks broken if the icon is not available
// in the correct size.
QIcon IconProvider::generateDifferentSizes(const QIcon& icon)
{
QIcon new_icon;
QList<QSize> required_sizes;
required_sizes << QSize(16, 16) << QSize(24, 24) << QSize(32, 32);
QList<QIcon::Mode> modes;
modes << QIcon::Normal << QIcon::Active << QIcon::Selected << QIcon::Disabled;
foreach (const QSize& size, required_sizes) {
foreach (QIcon::Mode mode, modes) {
QPixmap pixoff = icon.pixmap(size, mode, QIcon::Off);
if (pixoff.height() > size.height())
pixoff = pixoff.scaled(size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
new_icon.addPixmap(pixoff, mode, QIcon::Off);
QPixmap pixon = icon.pixmap(size, mode, QIcon::On);
if (pixon.height() > size.height())
pixon = pixoff.scaled(size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
new_icon.addPixmap(pixon, mode, QIcon::On);
}
}
return new_icon;
}
#endif
QString IconProvider::getIconPath(const QString& iconId)
{
#if (defined(Q_OS_UNIX) && !defined(Q_OS_MAC))
if (m_useSystemTheme) {
QString path = QDir::temp().absoluteFilePath(iconId+".png");
if (!QFile::exists(path)) {
const QIcon icon = QIcon::fromTheme(iconId);
if (icon.isNull()) return ":/icons/oxygen/"+iconId+".png";
QPixmap px = icon.pixmap(32);
px.save(path);
}
return path;
}
#endif
return ":/icons/oxygen/"+iconId+".png";
}