diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativeflickable.cpp')
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativeflickable.cpp | 68 |
1 files changed, 37 insertions, 31 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativeflickable.cpp b/src/declarative/graphicsitems/qdeclarativeflickable.cpp index b462443..34b0606 100644 --- a/src/declarative/graphicsitems/qdeclarativeflickable.cpp +++ b/src/declarative/graphicsitems/qdeclarativeflickable.cpp @@ -345,19 +345,21 @@ void QDeclarativeFlickablePrivate::updateBeginningEnd() \code Flickable { - width: 200; height: 200; contentWidth: image.width; contentHeight: image.height - Image { id: image; source: "bigimage.png" } + width: 200; height: 200 + contentWidth: image.width; contentHeight: image.height + + Image { id: image; source: "bigImage.png" } } \endcode \image flickable.gif - \note Flickable does not automatically clip its contents. If - it is not full-screen it is likely that \c clip should be set - to true. + Flickable does not automatically clip its contents. If + it is not full-screen it is likely that \l {Item::clip}{clip} should be set + to \c true. - \note Due to an implementation detail items placed inside a flickable cannot anchor to it by - id, use 'parent' instead. + \note Due to an implementation detail, items placed inside a Flickable cannot anchor to it by + \c id. Use \c parent instead. */ /*! @@ -400,18 +402,17 @@ void QDeclarativeFlickablePrivate::updateBeginningEnd() These properties describe the position and size of the currently viewed area. The size is defined as the percentage of the full view currently visible, scaled to 0.0 - 1.0. The page position is usually in the range 0.0 (beginning) to - 1.0 minus size ratio (end), i.e. yPosition is in the range 0.0 to 1.0-heightRatio. + 1.0 minus size ratio (end), i.e. \c yPosition is in the range 0.0 to 1.0-\c heightRatio. However, it is possible for the contents to be dragged outside of the normal range, resulting in the page positions also being outside the normal range. - These properties are typically used to draw a scrollbar, for example: - \code - Rectangle { - opacity: 0.5; anchors.right: MyListView.right-2; width: 6 - y: MyListView.visibleArea.yPosition * MyListView.height - height: MyListView.visibleArea.heightRatio * MyListView.height - } - \endcode + These properties are typically used to draw a scrollbar. For example: + + \snippet doc/src/snippets/declarative/flickableScrollbar.qml 0 + \dots 4 + \snippet doc/src/snippets/declarative/flickableScrollbar.qml 1 + + \sa {declarative/scrollbar}{scrollbar example} */ QDeclarativeFlickable::QDeclarativeFlickable(QDeclarativeItem *parent) @@ -479,11 +480,12 @@ void QDeclarativeFlickable::setContentY(qreal pos) /*! \qmlproperty bool Flickable::interactive - A user cannot drag or flick a Flickable that is not interactive. + This property holds whether the user can interact with the Flickable. A user + cannot drag or flick a Flickable that is not interactive. This property is useful for temporarily disabling flicking. This allows special interaction with Flickable's children: for example, you might want to - freeze a flickable map while viewing detailed information on a location popup that is a child of the Flickable. + freeze a flickable map while scrolling through a pop-up dialog that is a child of the Flickable. */ bool QDeclarativeFlickable::isInteractive() const { @@ -585,13 +587,13 @@ QDeclarativeFlickableVisibleArea *QDeclarativeFlickable::visibleArea() This property determines which directions the view can be flicked. \list - \o AutoFlickDirection (default) - allows flicking vertically if the + \o Flickable.AutoFlickDirection (default) - allows flicking vertically if the \e contentHeight is not equal to the \e height of the Flickable. Allows flicking horizontally if the \e contentWidth is not equal to the \e width of the Flickable. - \o HorizontalFlick - allows flicking horizontally. - \o VerticalFlick - allows flicking vertically. - \o HorizontalAndVerticalFlick - allows flicking in both directions. + \o Flickable.HorizontalFlick - allows flicking horizontally. + \o Flickable.VerticalFlick - allows flicking vertically. + \o Flickable.HorizontalAndVerticalFlick - allows flicking in both directions. \endlist */ QDeclarativeFlickable::FlickDirection QDeclarativeFlickable::flickDirection() const @@ -1026,14 +1028,14 @@ void QDeclarativeFlickable::setOverShoot(bool o) This enables the feeling that the edges of the view are soft, rather than a hard physical boundary. - boundsBehavior can be one of: + The \c boundsBehavior can be one of: \list - \o \e StopAtBounds - the contents can not be dragged beyond the boundary + \o \e Flickable.StopAtBounds - the contents can not be dragged beyond the boundary of the flickable, and flicks will not overshoot. - \o \e DragOverBounds - the contents can be dragged beyond the boundary + \o \e Flickable.DragOverBounds - the contents can be dragged beyond the boundary of the Flickable, but flicks will not overshoot. - \o \e DragAndOvershootBounds (default) - the contents can be dragged + \o \e Flickable.DragAndOvershootBounds (default) - the contents can be dragged beyond the boundary of the Flickable, and can overshoot the boundary when flicked. \endlist @@ -1059,12 +1061,16 @@ void QDeclarativeFlickable::setBoundsBehavior(BoundsBehavior b) \qmlproperty int Flickable::contentHeight The dimensions of the content (the surface controlled by Flickable). Typically this - should be set to the combined size of the items placed in the Flickable. + should be set to the combined size of the items placed in the Flickable. Note this + can be set automatically using \l {Item::childrenRect.width}{childrenRect.width} + and \l {Item::childrenRect.height}{childrenRect.height}. For example: \code Flickable { - width: 320; height: 480; contentWidth: image.width; contentHeight: image.height - Image { id: image; source: "bigimage.png" } + width: 320; height: 480 + contentWidth: childrenRect.width; contentHeight: childrenRect.height + + Image { id: image; source: "bigImage.png" } } \endcode */ @@ -1085,7 +1091,7 @@ void QDeclarativeFlickable::setContentWidth(qreal w) else d->viewport->setWidth(w); // Make sure that we're entirely in view. - if (!d->pressed) { + if (!d->pressed && !d->moving) { int oldDuration = d->fixupDuration; d->fixupDuration = 0; d->fixupX(); @@ -1112,7 +1118,7 @@ void QDeclarativeFlickable::setContentHeight(qreal h) else d->viewport->setHeight(h); // Make sure that we're entirely in view. - if (!d->pressed) { + if (!d->pressed && !d->moving) { int oldDuration = d->fixupDuration; d->fixupDuration = 0; d->fixupY(); |