diff options
Diffstat (limited to 'src/declarative')
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativegridview.cpp | 20 | ||||
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativelistview.cpp | 22 |
2 files changed, 42 insertions, 0 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativegridview.cpp b/src/declarative/graphicsitems/qdeclarativegridview.cpp index cb1f6dc..c2d8ad0 100644 --- a/src/declarative/graphicsitems/qdeclarativegridview.cpp +++ b/src/declarative/graphicsitems/qdeclarativegridview.cpp @@ -584,6 +584,26 @@ void QDeclarativeGridViewPrivate::refill(qreal from, qreal to, bool doBuffer) --i; modelIndex = visibleItems.at(i)->index + 1; } + + if (visibleItems.count() && (fillFrom > rowPos + rowSize()*2 + || fillTo < rowPosAt(visibleIndex) - rowSize())) { + // We've jumped more than a page. Estimate which items are now + // visible and fill from there. + int count = (fillFrom - (rowPos + rowSize())) / (rowSize()) * columns; + for (int i = 0; i < visibleItems.count(); ++i) + releaseItem(visibleItems.at(i)); + visibleItems.clear(); + modelIndex += count; + if (modelIndex >= model->count()) + modelIndex = model->count() - 1; + else if (modelIndex < 0) + modelIndex = 0; + modelIndex = modelIndex / columns * columns; + visibleIndex = modelIndex; + colPos = colPosAt(visibleIndex); + rowPos = rowPosAt(visibleIndex); + } + int colNum = colPos / colSize(); FxGridItem *item = 0; diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp index cb751f6..7c01293 100644 --- a/src/declarative/graphicsitems/qdeclarativelistview.cpp +++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp @@ -744,6 +744,28 @@ void QDeclarativeListViewPrivate::refill(qreal from, qreal to, bool doBuffer) if (visibleItems.at(i)->index != -1) modelIndex = visibleItems.at(i)->index + 1; } + + if (visibleItems.count() && (fillFrom > itemEnd+averageSize+spacing + || fillTo < visiblePos - averageSize - spacing)) { + // We've jumped more than a page. Estimate which items are now + // visible and fill from there. + int count = (fillFrom - itemEnd) / (averageSize + spacing); + for (int i = 0; i < visibleItems.count(); ++i) + releaseItem(visibleItems.at(i)); + visibleItems.clear(); + modelIndex += count; + if (modelIndex >= model->count()) { + count -= modelIndex - model->count() + 1; + modelIndex = model->count() - 1; + } else if (modelIndex < 0) { + count -= modelIndex; + modelIndex = 0; + } + visibleIndex = modelIndex; + visiblePos = itemEnd + count * (averageSize + spacing) + 1; + itemEnd = visiblePos-1; + } + bool changed = false; FxListItem *item = 0; qreal pos = itemEnd + 1; |