From 8731f4ca737d032ffdf12fa9f2dfb2fa550931dd Mon Sep 17 00:00:00 2001
From: axis <qt-info@nokia.com>
Date: Tue, 5 May 2009 09:05:04 +0200
Subject: Small optimization to input context update.

Only update the input context if it has already been created.

RevBy:    denis
---
 src/gui/kernel/qwidget.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index cfe02d6..d8d7be7 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -8501,9 +8501,11 @@ void QWidget::setInputMethodHints(Qt::InputMethodHints hints)
 {
     Q_D(QWidget);
     d->imHints = hints;
-    if (testAttribute(Qt::WA_InputMethodEnabled)) {
-        Q_ASSERT(inputContext());
-        inputContext()->update();
+    // Optimisation to update input context only it has already been created.
+    if (d->ic || qApp->d_func()->inputContext) {
+        QInputContext *ic = inputContext();
+        if (ic)
+            ic->update();
     }
 }
 
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