From f450acaefe7e3ca2c0bcab8243a3bbec0740ed39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrgen=20Spitzm=C3=BCller?= <spitz@lyx.org>
Date: Wed, 16 Feb 2011 15:50:39 +0000
Subject: [PATCH] Menus.cpp: QProyStyle was introduced in Qt 4.6.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@37692 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/frontends/qt4/Menus.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/frontends/qt4/Menus.cpp b/src/frontends/qt4/Menus.cpp
index 4c38b7dd5d..84dc193312 100644
--- a/src/frontends/qt4/Menus.cpp
+++ b/src/frontends/qt4/Menus.cpp
@@ -71,7 +71,9 @@
 #include <QList>
 #include <QMenuBar>
 #include <QString>
+#if QT_VERSION >= 0x040600
 #include <QProxyStyle>
+#endif
 
 #include "support/shared_ptr.h"
 
@@ -1570,7 +1572,7 @@ void Menu::Impl::populate(QMenu & qMenu, MenuDefinition const & menu)
 	}
 }
 
-#ifdef Q_WS_WIN
+#ifdef Q_WS_WIN && QT_VERSION >= 0x040600
 class AlwaysMnemonicStyle : public QProxyStyle {
 public:
 	int styleHint(StyleHint hint, const QStyleOption *opt = 0, const QWidget *widget = 0,
@@ -1590,7 +1592,7 @@ public:
 Menu::Menu(GuiView * gv, QString const & name, bool top_level, bool keyboard)
 : QMenu(gv), d(new Menu::Impl)
 {
-#ifdef Q_WS_WIN
+#ifdef Q_WS_WIN && QT_VERSION >= 0x040600
 	if (keyboard)
 		setStyle(new AlwaysMnemonicStyle);
 #else