diff options
Diffstat (limited to 'src/declarative/graphicsitems')
5 files changed, 49 insertions, 70 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativegridview.cpp b/src/declarative/graphicsitems/qdeclarativegridview.cpp index 6f38f63..4454284 100644 --- a/src/declarative/graphicsitems/qdeclarativegridview.cpp +++ b/src/declarative/graphicsitems/qdeclarativegridview.cpp @@ -219,12 +219,8 @@ public: } } else { qreal pos = (modelIndex / columns) * rowSize(); - if (header) { - qreal headerSize = flow == QDeclarativeGridView::LeftToRight - ? header->item->height() - : header->item->width(); - pos += headerSize; - } + if (header) + pos += headerSize(); return pos; } return 0; @@ -291,11 +287,9 @@ public: if (item->index == -1) continue; qreal itemTop = item->rowPos(); - if (item->index == model->count()-1 || (itemTop+rowSize()/2 >= pos)) + if (itemTop+rowSize()/2 >= pos && itemTop - rowSize()/2 <= pos) return item; } - if (visibleItems.count() && visibleItems.first()->rowPos() <= pos) - return visibleItems.first(); return 0; } @@ -315,6 +309,16 @@ public: return index; } + qreal headerSize() const { + if (!header) + return 0.0; + + return flow == QDeclarativeGridView::LeftToRight + ? header->item->height() + : header->item->width(); + } + + virtual void itemGeometryChanged(QDeclarativeItem *item, const QRectF &newGeometry, const QRectF &oldGeometry) { Q_Q(const QDeclarativeGridView); QDeclarativeFlickablePrivate::itemGeometryChanged(item, newGeometry, oldGeometry); @@ -878,14 +882,11 @@ void QDeclarativeGridViewPrivate::updateHeader() if (header) { if (visibleItems.count()) { qreal startPos = startPosition(); - qreal headerSize = flow == QDeclarativeGridView::LeftToRight - ? header->item->height() - : header->item->width(); if (visibleIndex == 0) { - header->setPosition(0, startPos - headerSize); + header->setPosition(0, startPos - headerSize()); } else { - if (position() <= startPos || header->rowPos() > startPos - headerSize) - header->setPosition(0, startPos - headerSize); + if (position() <= startPos || header->rowPos() > startPos - headerSize()) + header->setPosition(0, startPos - headerSize()); } } else { header->setPosition(0, 0); @@ -920,10 +921,14 @@ void QDeclarativeGridViewPrivate::fixup(AxisData &data, qreal minExtent, qreal m qreal bottomPos = qMax(bottomItem->rowPos() - highlightRangeEnd, -minExtent); pos = qAbs(data.move + topPos) < qAbs(data.move + bottomPos) ? topPos : bottomPos; } else if (topItem) { - pos = qMax(qMin(topItem->rowPos() - highlightRangeStart, -maxExtent), -minExtent); + if (topItem->index == 0 && header && position()+highlightRangeStart < header->rowPos()+headerSize()/2) + pos = header->rowPos() - highlightRangeStart; + else + pos = qMax(qMin(topItem->rowPos() - highlightRangeStart, -maxExtent), -minExtent); } else if (bottomItem) { pos = qMax(qMin(bottomItem->rowPos() - highlightRangeStart, -maxExtent), -minExtent); } else { + QDeclarativeFlickablePrivate::fixup(data, minExtent, maxExtent); fixupDuration = oldDuration; return; } diff --git a/src/declarative/graphicsitems/qdeclarativeimage.cpp b/src/declarative/graphicsitems/qdeclarativeimage.cpp index 3b08a9b..aa74716 100644 --- a/src/declarative/graphicsitems/qdeclarativeimage.cpp +++ b/src/declarative/graphicsitems/qdeclarativeimage.cpp @@ -461,7 +461,7 @@ QRectF QDeclarativeImage::boundingRect() const void QDeclarativeImage::paint(QPainter *p, const QStyleOptionGraphicsItem *, QWidget *) { Q_D(QDeclarativeImage); - if (d->pix.isNull()) + if (d->pix.pixmap().isNull() ) return; bool oldAA = p->testRenderHint(QPainter::Antialiasing); diff --git a/src/declarative/graphicsitems/qdeclarativeitem.cpp b/src/declarative/graphicsitems/qdeclarativeitem.cpp index e0df751..9d6fe12 100644 --- a/src/declarative/graphicsitems/qdeclarativeitem.cpp +++ b/src/declarative/graphicsitems/qdeclarativeitem.cpp @@ -421,58 +421,28 @@ void QDeclarativeItemKeyFilter::componentComplete() \since 4.7 \brief The KeyNavigation attached property supports key navigation by arrow keys. - It is common in key-based UIs to use arrow keys to navigate - between focused items. The KeyNavigation property provides a - convenient way of specifying which item will gain focus - when an arrow key is pressed. The following example provides - key navigation for a 2x2 grid of items. - - \code - Grid { - columns: 2 - width: 100; height: 100 - Rectangle { - id: item1 - focus: true - width: 50; height: 50 - color: focus ? "red" : "lightgray" - KeyNavigation.right: item2 - KeyNavigation.down: item3 - } - Rectangle { - id: item2 - width: 50; height: 50 - color: focus ? "red" : "lightgray" - KeyNavigation.left: item1 - KeyNavigation.down: item4 - } - Rectangle { - id: item3 - width: 50; height: 50 - color: focus ? "red" : "lightgray" - KeyNavigation.right: item4 - KeyNavigation.up: item1 - } - Rectangle { - id: item4 - width: 50; height: 50 - color: focus ? "red" : "lightgray" - KeyNavigation.left: item3 - KeyNavigation.up: item2 - } - } - \endcode + Key-based user interfaces commonly allow the use of arrow keys to navigate between + focusable items. The KeyNavigation attached property enables this behavior by providing a + convenient way to specify the item that should gain focus when an arrow or tab key is pressed. + + The following example provides key navigation for a 2x2 grid of items: - By default KeyNavigation receives key events after the item it is attached to. - If the item accepts an arrow key event, the KeyNavigation - attached property will not receive an event for that key. Setting the - \l priority property to KeyNavigation.BeforeItem allows handling - of the key events before normal item processing. + \snippet doc/src/snippets/declarative/keynavigation.qml 0 - If an item has been set for a direction and the KeyNavigation - attached property receives the corresponding - key press and release events, the events will be accepted by - KeyNavigation and will not propagate any further. + The top-left item initially receives focus by setting \l {Item::}{focus} to + \c true. When an arrow key is pressed, the focus will move to the + appropriate item, as defined by the value that has been set for + the KeyNavigation \l left, \l right, \l up or \l down properties. + + Note that if a KeyNavigation attached property receives the key press and release + events for a requested arrow or tab key, the event is accepted and does not + propagate any further. + + By default, KeyNavigation receives key events after the item to which it is attached. + If the item accepts the key event, the KeyNavigation attached property will not + receive an event for that key. Setting the \l priority property to + \c KeyNavigation.BeforeItem allows the event to be used for key navigation + before the item, rather than after. \sa {Keys}{Keys attached property} */ @@ -599,7 +569,7 @@ void QDeclarativeKeyNavigationAttached::setBacktab(QDeclarativeItem *i) \list \o KeyNavigation.BeforeItem - process the key events before normal - item key processing. If the event is accepted it will not + item key processing. If the event is used for key navigation, it will be accepted and will not be passed on to the item. \o KeyNavigation.AfterItem (default) - process the key events after normal item key handling. If the item accepts the key event it will not be diff --git a/src/declarative/graphicsitems/qdeclarativeitem_p.h b/src/declarative/graphicsitems/qdeclarativeitem_p.h index f85fa27..d8635b9 100644 --- a/src/declarative/graphicsitems/qdeclarativeitem_p.h +++ b/src/declarative/graphicsitems/qdeclarativeitem_p.h @@ -259,7 +259,7 @@ public: QDeclarativeStateGroup *_states(); QDeclarativeStateGroup *_stateGroup; - QDeclarativeItem::TransformOrigin origin:4; + QDeclarativeItem::TransformOrigin origin:5; bool widthValid:1; bool heightValid:1; bool componentComplete:1; diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp index 450b6af..d1f52be 100644 --- a/src/declarative/graphicsitems/qdeclarativelistview.cpp +++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp @@ -1185,10 +1185,14 @@ void QDeclarativeListViewPrivate::fixup(AxisData &data, qreal minExtent, qreal m FxListItem *bottomItem = snapItemAt(position()+highlightRangeEnd); qreal pos; if (topItem) { - pos = qMax(qMin(topItem->position() - highlightRangeStart, -maxExtent), -minExtent); + if (topItem->index == 0 && header && position()+highlightRangeStart < header->position()+header->size()/2) + pos = header->position() - highlightRangeStart; + else + pos = qMax(qMin(topItem->position() - highlightRangeStart, -maxExtent), -minExtent); } else if (bottomItem) { pos = qMax(qMin(bottomItem->position() - highlightRangeStart, -maxExtent), -minExtent); } else { + QDeclarativeFlickablePrivate::fixup(data, minExtent, maxExtent); fixupDuration = oldDuration; return; } |