diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativegridview.cpp')
-rw-r--r-- | src/declarative/graphicsitems/qdeclarativegridview.cpp | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativegridview.cpp b/src/declarative/graphicsitems/qdeclarativegridview.cpp index a0faf14..8d08c99 100644 --- a/src/declarative/graphicsitems/qdeclarativegridview.cpp +++ b/src/declarative/graphicsitems/qdeclarativegridview.cpp @@ -1070,27 +1070,41 @@ void QDeclarativeGridViewPrivate::flick(AxisData &data, qreal minExtent, qreal m GridView are laid out horizontally or vertically. Grid views are inherently flickable as GridView inherits from \l Flickable. - For example, if there is a simple list model defined in a file \c ContactModel.qml like this: + \section1 Example Usage + + The following example shows the definition of a simple list model defined + in a file called \c ContactModel.qml: \snippet doc/src/snippets/declarative/gridview/ContactModel.qml 0 - Another component can display this model data in a GridView, like this: + \beginfloatright + \inlineimage gridview-simple.png + \endfloat + + This model can be referenced as \c ContactModel in other QML files. See \l{QML Modules} + for more information about creating reusable components like this. + + Another component can display this model data in a GridView, as in the following + example, which creates a \c ContactModel component for its model, and a \l Column element + (containing \l Image and \l Text elements) for its delegate. + \clearfloat \snippet doc/src/snippets/declarative/gridview/gridview.qml import \codeline \snippet doc/src/snippets/declarative/gridview/gridview.qml classdocs simple - \image gridview-simple.png - Here, the GridView creates a \c ContactModel component for its model, and a \l Column element - (containing \l Image and \ Text elements) for its delegate. The view will create a new delegate - for each item in the model. Notice the delegate is able to access the model's \c name and - \c portrait data directly. + \beginfloatright + \inlineimage gridview-highlight.png + \endfloat + + The view will create a new delegate for each item in the model. Note that the delegate + is able to access the model's \c name and \c portrait data directly. An improved grid view is shown below. The delegate is visually improved and is moved into a separate \c contactDelegate component. - + + \clearfloat \snippet doc/src/snippets/declarative/gridview/gridview.qml classdocs advanced - \image gridview-highlight.png The currently selected item is highlighted with a blue \l Rectangle using the \l highlight property, and \c focus is set to \c true to enable keyboard navigation for the grid view. @@ -1099,10 +1113,10 @@ void QDeclarativeGridViewPrivate::flick(AxisData &data, qreal minExtent, qreal m Delegates are instantiated as needed and may be destroyed at any time. State should \e never be stored in a delegate. - \note Views do not enable \e clip automatically. If the view - is not clipped by another item or the screen, it will be necessary - to set \e {clip: true} in order to have the out of view items clipped - nicely. + \note Views do not set the \l{Item::}{clip} property automatically. + If the view is not clipped by another item or the screen, it will be necessary + to set this property to true in order to clip the items that are partially or + fully outside the view. \sa {declarative/modelviews/gridview}{GridView example} */ @@ -2241,7 +2255,9 @@ void QDeclarativeGridView::trackedPositionChanged() } if (viewPos != pos) { cancelFlick(); + d->calcVelocity = true; d->setPosition(pos); + d->calcVelocity = false; } } } |