From 407ff0a99d843e7de0725dc535b57436ef2b2ce4 Mon Sep 17 00:00:00 2001
From: Olivier Goffart <ogoffart@woboq.com>
Date: Tue, 20 Oct 2015 13:24:11 +0200
Subject: [PATCH] Theme: cache the QIcon::fromTheme

We are calling that every time we draw the folder delegate.
Which is a lot when the sync is runing and the progress bar is moving
---
 src/libsync/theme.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/libsync/theme.cpp b/src/libsync/theme.cpp
index 6cb127567..094d6a09d 100644
--- a/src/libsync/theme.cpp
+++ b/src/libsync/theme.cpp
@@ -124,14 +124,14 @@ QIcon Theme::themeIcon( const QString& name, bool sysTray ) const
         flavor = QLatin1String("colored");
     }
 
-    if( QIcon::hasThemeIcon( name )) {
-        // use from theme
-        return QIcon::fromTheme( name );
-    }
-
     QString key = name + "," + flavor;
     QIcon & cached = _iconCache[key];
     if (cached.isNull()) {
+        if(QIcon::hasThemeIcon(name)) {
+            // use from theme
+            return cached = QIcon::fromTheme(name);
+        }
+
         QList<int> sizes;
         sizes <<16 << 22 << 32 << 48 << 64 << 128 << 256;
         foreach (int size, sizes) {
-- 
2.30.2