From 1b39890940ce8ea4298a1af16ba220f65f365e7e Mon Sep 17 00:00:00 2001 From: Martin Jones Date: Fri, 30 Apr 2010 11:40:06 +1000 Subject: Doc: mention that size of delegate affects flicking performance. --- src/declarative/graphicsitems/qdeclarativegridview.cpp | 5 +++++ src/declarative/graphicsitems/qdeclarativelistview.cpp | 5 +++++ src/declarative/graphicsitems/qdeclarativepathview.cpp | 5 +++++ 3 files changed, 15 insertions(+) diff --git a/src/declarative/graphicsitems/qdeclarativegridview.cpp b/src/declarative/graphicsitems/qdeclarativegridview.cpp index 777d6db..8fb3632 100644 --- a/src/declarative/graphicsitems/qdeclarativegridview.cpp +++ b/src/declarative/graphicsitems/qdeclarativegridview.cpp @@ -1057,6 +1057,11 @@ void QDeclarativeGridView::setModel(const QVariant &model) The index is exposed as an accessible \c index property. Properties of the model are also available depending upon the type of \l {qmlmodels}{Data Model}. + The number of elements in the delegate has a direct effect on the + flicking performance of the view. If at all possible, place functionality + that is not needed for the normal display of the delegate in a \l Loader which + can load additional elements when needed. + Note that the GridView will layout the items based on the size of the root item in the delegate. diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp index d50e734..0f3ee61 100644 --- a/src/declarative/graphicsitems/qdeclarativelistview.cpp +++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp @@ -1490,6 +1490,11 @@ void QDeclarativeListView::setModel(const QVariant &model) The index is exposed as an accessible \c index property. Properties of the model are also available depending upon the type of \l {qmlmodels}{Data Model}. + The number of elements in the delegate has a direct effect on the + flicking performance of the view. If at all possible, place functionality + that is not needed for the normal display of the delegate in a \l Loader which + can load additional elements when needed. + Note that the ListView will layout the items based on the size of the root item in the delegate. diff --git a/src/declarative/graphicsitems/qdeclarativepathview.cpp b/src/declarative/graphicsitems/qdeclarativepathview.cpp index d0a3cd1..911f5a4 100644 --- a/src/declarative/graphicsitems/qdeclarativepathview.cpp +++ b/src/declarative/graphicsitems/qdeclarativepathview.cpp @@ -792,6 +792,11 @@ void QDeclarativePathView::setInteractive(bool interactive) The index is exposed as an accessible \c index property. Properties of the model are also available depending upon the type of \l {qmlmodels}{Data Model}. + The number of elements in the delegate has a direct effect on the + flicking performance of the view when pathItemCount is specified. If at all possible, place functionality + that is not needed for the normal display of the delegate in a \l Loader which + can be created when needed. + Note that the PathView will layout the items based on the size of the root item in the delegate. -- cgit v0.12