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-rw-r--r--src/corelib/global/qglobal.h1
-rw-r--r--src/gui/kernel/qapplication_s60.cpp4
2 files changed, 5 insertions, 0 deletions
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index 4b1232d..04aac12 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -2413,6 +2413,7 @@ QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathSysconf();
//RWsPointerCursor is fixed, so don't use low performance sprites
#define Q_SYMBIAN_FIXED_POINTER_CURSORS
#define Q_SYMBIAN_HAS_EXTENDED_BITMAP_TYPE
+#define Q_SYMBIAN_WINDOW_SIZE_CACHE
//enabling new graphics resources
#define QT_SYMBIAN_SUPPORTS_SGIMAGE
#define QT_SYMBIAN_SUPPORTS_ADVANCED_POINTER
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index bf3ad71..fdbbeb2 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -1146,6 +1146,10 @@ void qt_init(QApplicationPrivate * /* priv */, int)
#endif
S60->wsSession().SetAutoFlush(ETrue);
+#ifdef Q_SYMBIAN_WINDOW_SIZE_CACHE
+ TRAP_IGNORE(S60->wsSession().EnableWindowSizeCacheL());
+#endif
+
S60->updateScreenSize();