diff options
| author | Martin Jones <martin.jones@nokia.com> | 2012-06-12 09:19:35 +1000 |
|---|---|---|
| committer | Qt by Nokia <qt-info@nokia.com> | 2012-06-13 01:41:58 +0200 |
| commit | 86cbb55522f9a4ca76854be860a8131f006553a8 (patch) | |
| tree | 9c1489de62ab7efb0038f393b8e1ab7ef9d5c925 /src/quick/items/qquickitemview.cpp | |
| parent | eba101e4974b3f6150e299f3f2e513124c69eadf (diff) | |
Set a non-zero default cacheBuffer.
The likelihood of constant framerate when flicking is considerably
improved by having a cacheBuffer. Since there is only a minimal cost
in having a modest cacheBuffer, it is better to have a more optimal
default value - 320 seems a good starting point.
Change-Id: Id3c8a153821573b5b08c6fbd80d34152908d358d
Reviewed-by: Bea Lam <bea.lam@nokia.com>
Diffstat (limited to 'src/quick/items/qquickitemview.cpp')
| -rw-r--r-- | src/quick/items/qquickitemview.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/quick/items/qquickitemview.cpp b/src/quick/items/qquickitemview.cpp index 26580e0346..8b8f9356c9 100644 --- a/src/quick/items/qquickitemview.cpp +++ b/src/quick/items/qquickitemview.cpp @@ -41,9 +41,14 @@ #include "qquickitemview_p_p.h" #include <QtQuick/private/qquicktransition_p.h> +#include "qplatformdefs.h" QT_BEGIN_NAMESPACE +// Default cacheBuffer for all views. +#ifndef QML_VIEW_DEFAULTCACHEBUFFER +#define QML_VIEW_DEFAULTCACHEBUFFER 320 +#endif FxViewItem::FxViewItem(QQuickItem *i, bool own, bool trackGeometry) : item(i) @@ -1410,7 +1415,7 @@ void QQuickItemView::componentComplete() QQuickItemViewPrivate::QQuickItemViewPrivate() : itemCount(0) - , buffer(0), bufferMode(BufferBefore | BufferAfter) + , buffer(QML_VIEW_DEFAULTCACHEBUFFER), bufferMode(BufferBefore | BufferAfter) , layoutDirection(Qt::LeftToRight), verticalLayoutDirection(QQuickItemView::TopToBottom) , moveReason(Other) , visibleIndex(0) |