2 files changed, 19 insertions, 0 deletions
diff --git a/src/gui/kernel/qplatformtheme.cpp b/src/gui/kernel/qplatformtheme.cpp
index ceb95c51e8..9f5c789a6e 100644
--- a/src/gui/kernel/qplatformtheme.cpp
+++ b/src/gui/kernel/qplatformtheme.cpp
@@ -46,6 +46,7 @@
 #include <QtCore/qfileinfo.h>
 #include <qpalette.h>
 #include <qtextformat.h>
+#include <qiconloader_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -272,4 +273,19 @@ QPlatformSystemTrayIcon *QPlatformTheme::createPlatformSystemTrayIcon() const
 }
 #endif
 
+/*!
+   Factory function for the QIconEngine used by QIcon::fromTheme(). By default this
+   function returns a QIconLoaderEngine, but subclasses can reimplement it to
+   provide their own.
+
+   It is especially useful to benefit from some platform specific facilities or
+   optimizations like an inter-process cache in systems mostly built with Qt.
+
+   \since 5.1
+*/
+QIconEngine *QPlatformTheme::createIconEngine(const QString &iconName) const
+{
+    return new QIconLoaderEngine(iconName);
+}
+
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qplatformtheme.h b/src/gui/kernel/qplatformtheme.h
index 14e2dac19d..0e95321102 100644
--- a/src/gui/kernel/qplatformtheme.h
+++ b/src/gui/kernel/qplatformtheme.h
@@ -55,6 +55,7 @@
 
 QT_BEGIN_NAMESPACE
 
+class QIconEngine;
 class QMenu;
 class QMenuBar;
 class QPlatformMenuItem;
@@ -270,6 +271,8 @@ public:
     virtual QPixmap standardPixmap(StandardPixmap sp, const QSizeF &size) const;
     virtual QPixmap fileIconPixmap(const QFileInfo &fileInfo, const QSizeF &size) const;
 
+    virtual QIconEngine *createIconEngine(const QString &iconName) const;
+
     static QVariant defaultThemeHint(ThemeHint hint);
 };