From a76f8caf29c9acf83f12dfe90f68cd3f13e45456 Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <albert.astals.cid@kdab.com>
Date: Tue, 30 Oct 2018 15:50:39 +0100
Subject: [PATCH] [Micro]Optimize QStyleSheetStyle::subElementRect

No need to make a QStyleOptionButton copy, we can just use the pointer
we already have

Change-Id: I3ef5f59eb4fe25adf675e67ebf548f4358456379
Reviewed-by: Christian Ehrlicher <ch.ehrlicher@gmx.de>
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>
---
 src/widgets/styles/qstylesheetstyle.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/widgets/styles/qstylesheetstyle.cpp b/src/widgets/styles/qstylesheetstyle.cpp
index 6cfb65a800e..654bd19d9bd 100644
--- a/src/widgets/styles/qstylesheetstyle.cpp
+++ b/src/widgets/styles/qstylesheetstyle.cpp
@@ -5777,11 +5777,10 @@ QRect QStyleSheetStyle::subElementRect(SubElement se, const QStyleOption *opt, c
     case SE_PushButtonContents:
     case SE_PushButtonFocusRect:
         if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
-            QStyleOptionButton btnOpt(*btn);
             if (rule.hasBox() || !rule.hasNativeBorder())
                 return visualRect(opt->direction, opt->rect, rule.contentsRect(opt->rect));
-            return rule.baseStyleCanDraw() ? baseStyle()->subElementRect(se, &btnOpt, w)
-                                           : QWindowsStyle::subElementRect(se, &btnOpt, w);
+            return rule.baseStyleCanDraw() ? baseStyle()->subElementRect(se, btn, w)
+                                           : QWindowsStyle::subElementRect(se, btn, w);
         }
         break;