Add 'meshmc/' from commit 'fad6a1066616b69d7f5fef01178efdf014c59537'

git-subtree-dir: meshmc
git-subtree-mainline: 934382c8a1ce738589dee9ee0f14e1cec812770e
git-subtree-split: fad6a1066616b69d7f5fef01178efdf014c59537

1 files changed, 216 insertions, 0 deletions

diff --git a/meshmc/libraries/iconfix/internal/qiconloader_p.h b/meshmc/libraries/iconfix/internal/qiconloader_p.h
new file mode 100644
index 0000000000..89f2c1656b
--- /dev/null
+++ b/meshmc/libraries/iconfix/internal/qiconloader_p.h
@@ -0,0 +1,216 @@
+/****************************************************************************
+** SPDX-License-Identifier: LGPL-2.1-or-later
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#pragma once
+
+#include <QtCore/qglobal.h>
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtGui/QIcon>
+#include <QtGui/QIconEngine>
+#include <QtGui/QPixmapCache>
+#include <QtCore/QHash>
+#include <QtCore/QVector>
+#include <QtCore/QTypeInfo>
+
+namespace QtXdg
+{
+
+	class QIconLoader;
+
+	struct QIconDirInfo {
+		enum Type { Fixed, Scalable, Threshold };
+		QIconDirInfo(const QString& _path = QString())
+			: path(_path), size(0), maxSize(0), minSize(0), threshold(0),
+			  type(Threshold)
+		{
+		}
+		QString path;
+		short size;
+		short maxSize;
+		short minSize;
+		short threshold;
+		Type type : 4;
+	};
+
+	class QIconLoaderEngineEntry
+	{
+	  public:
+		virtual ~QIconLoaderEngineEntry() {}
+		virtual QPixmap pixmap(const QSize& size, QIcon::Mode mode,
+							   QIcon::State state) = 0;
+		QString filename;
+		QIconDirInfo dir;
+		static int count;
+	};
+
+	struct ScalableEntry : public QIconLoaderEngineEntry {
+		QPixmap pixmap(const QSize& size, QIcon::Mode mode,
+					   QIcon::State state) Q_DECL_OVERRIDE;
+		QIcon svgIcon;
+	};
+
+	struct PixmapEntry : public QIconLoaderEngineEntry {
+		QPixmap pixmap(const QSize& size, QIcon::Mode mode,
+					   QIcon::State state) Q_DECL_OVERRIDE;
+		QPixmap basePixmap;
+	};
+
+	typedef QList<QIconLoaderEngineEntry*> QThemeIconEntries;
+
+	// class QIconLoaderEngine : public QIconEngine
+	class QIconLoaderEngineFixed : public QIconEngine
+	{
+	  public:
+		QIconLoaderEngineFixed(const QString& iconName = QString());
+		~QIconLoaderEngineFixed();
+
+		void paint(QPainter* painter, const QRect& rect, QIcon::Mode mode,
+				   QIcon::State state) override;
+		QPixmap pixmap(const QSize& size, QIcon::Mode mode,
+					   QIcon::State state) override;
+		QSize actualSize(const QSize& size, QIcon::Mode mode,
+						 QIcon::State state) override;
+		QIconEngine* clone() const override;
+		bool read(QDataStream& in) override;
+		bool write(QDataStream& out) const override;
+
+	  private:
+		QString key() const override;
+		bool hasIcon() const;
+		void ensureLoaded();
+		QList<QSize> availableSizes(QIcon::Mode mode = QIcon::Normal,
+									QIcon::State state = QIcon::Off) override;
+		QString iconName() override;
+		QIconLoaderEngineEntry* entryForSize(const QSize& size);
+		QIconLoaderEngineFixed(const QIconLoaderEngineFixed& other);
+		QThemeIconEntries m_entries;
+		QString m_iconName;
+		uint m_key;
+
+		friend class QIconLoader;
+	};
+
+	class QIconTheme
+	{
+	  public:
+		QIconTheme(const QString& name);
+		QIconTheme() : m_valid(false) {}
+		QStringList parents()
+		{
+			return m_parents;
+		}
+		QVector<QIconDirInfo> keyList()
+		{
+			return m_keyList;
+		}
+		QString contentDir()
+		{
+			return m_contentDir;
+		}
+		QStringList contentDirs()
+		{
+			return m_contentDirs;
+		}
+		bool isValid()
+		{
+			return m_valid;
+		}
+
+	  private:
+		QString m_contentDir;
+		QStringList m_contentDirs;
+		QVector<QIconDirInfo> m_keyList;
+		QStringList m_parents;
+		bool m_valid;
+	};
+
+	class QIconLoader
+	{
+	  public:
+		QIconLoader();
+		QThemeIconEntries loadIcon(const QString& iconName) const;
+		uint themeKey() const
+		{
+			return m_themeKey;
+		}
+
+		QString themeName() const
+		{
+			return m_userTheme.isEmpty() ? m_systemTheme : m_userTheme;
+		}
+		void setThemeName(const QString& themeName);
+		QIconTheme theme()
+		{
+			return themeList.value(themeName());
+		}
+		void setThemeSearchPath(const QStringList& searchPaths);
+		QStringList themeSearchPaths() const;
+		QIconDirInfo dirInfo(int dirindex);
+		static QIconLoader* instance();
+		void updateSystemTheme();
+		void invalidateKey()
+		{
+			m_themeKey++;
+		}
+		void ensureInitialized();
+
+	  private:
+		QThemeIconEntries findIconHelper(const QString& themeName,
+										 const QString& iconName,
+										 QStringList& visited) const;
+		uint m_themeKey;
+		bool m_supportsSvg;
+		bool m_initialized;
+
+		mutable QString m_userTheme;
+		mutable QString m_systemTheme;
+		mutable QStringList m_iconDirs;
+		mutable QHash<QString, QIconTheme> themeList;
+	};
+
+} // namespace QtXdg
+
+// Note: class template specialization of 'QTypeInfo' must occur at
+//       global scope
+Q_DECLARE_TYPEINFO(QtXdg::QIconDirInfo, Q_MOVABLE_TYPE);