1 files changed, 142 insertions, 0 deletions
diff --git a/meshmc/libraries/iconfix/xdgicon.cpp b/meshmc/libraries/iconfix/xdgicon.cpp
new file mode 100644
index 0000000000..119495d369
--- /dev/null
+++ b/meshmc/libraries/iconfix/xdgicon.cpp
@@ -0,0 +1,142 @@
+/* BEGIN_COMMON_COPYRIGHT_HEADER
+ * (c)LGPL2+
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ * SPDX-FileCopyrightText: N/A
+ * 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);
+		}
+	};
+} // namespace
+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;
+}