diff options
Diffstat (limited to 'src/gui/itemviews/qtreeview.cpp')
| -rw-r--r-- | src/gui/itemviews/qtreeview.cpp | 69 |
1 files changed, 50 insertions, 19 deletions
diff --git a/src/gui/itemviews/qtreeview.cpp b/src/gui/itemviews/qtreeview.cpp index 37168eb..2d9f9c6 100644 --- a/src/gui/itemviews/qtreeview.cpp +++ b/src/gui/itemviews/qtreeview.cpp @@ -679,16 +679,20 @@ void QTreeView::dataChanged(const QModelIndex &topLeft, const QModelIndex &botto d->defaultItemHeight = indexRowSizeHint(topLeft); bool sizeChanged = false; if (topViewIndex != -1) { - if (topLeft == bottomRight) { + if (topLeft.row() == bottomRight.row()) { int oldHeight = d->itemHeight(topViewIndex); d->invalidateHeightCache(topViewIndex); sizeChanged = (oldHeight != d->itemHeight(topViewIndex)); + if (topLeft.column() == 0) + d->viewItems[topViewIndex].hasChildren = d->hasVisibleChildren(topLeft); } else { int bottomViewIndex = d->viewIndex(bottomRight); for (int i = topViewIndex; i <= bottomViewIndex; ++i) { int oldHeight = d->itemHeight(i); d->invalidateHeightCache(i); sizeChanged |= (oldHeight != d->itemHeight(i)); + if (topLeft.column() == 0) + d->viewItems[i].hasChildren = d->hasVisibleChildren(d->viewItems.at(i).index); } } } @@ -2476,6 +2480,7 @@ void QTreeView::rowsInserted(const QModelIndex &parent, int start, int end) for (int i = 0; i < delta; ++i) { QTreeViewItem &item = insertedItems[i]; item.index = d->model->index(i + start, 0, parent); + item.parentItem = parentItem; item.level = childLevel; item.hasChildren = d->hasVisibleChildren(item.index); item.hasMoreSiblings = !((i == delta - 1) && (parentRowCount == end +1)); @@ -2514,7 +2519,7 @@ void QTreeView::rowsInserted(const QModelIndex &parent, int start, int end) } } - d->viewItems.insert(insertPos, delta, insertedItems.at(0)); + d->insertViewItems(insertPos, delta, insertedItems.at(0)); if (delta > 1) { qCopy(insertedItems.begin() + 1, insertedItems.end(), d->viewItems.begin() + insertPos + 1); @@ -2524,8 +2529,7 @@ void QTreeView::rowsInserted(const QModelIndex &parent, int start, int end) d->viewItems[parentItem].hasChildren = true; d->updateChildCount(parentItem, delta); - updateGeometries(); - viewport()->update(); + d->doDelayedItemsLayout(); } else if ((parentItem != -1) && d->viewItems.at(parentItem).expanded) { d->doDelayedItemsLayout(); } else if (parentItem != -1 && (d->model->rowCount(parent) == end - start + 1)) { @@ -2949,6 +2953,37 @@ void QTreeViewPrivate::expand(int item, bool emitSignal) } } +void QTreeViewPrivate::insertViewItems(int pos, int count, const QTreeViewItem &viewItem) +{ + viewItems.insert(pos, count, viewItem); + for (int i = pos + count; i < viewItems.count(); i++) + if (viewItems[i].parentItem >= pos) + viewItems[i].parentItem += count; +} + +void QTreeViewPrivate::removeViewItems(int pos, int count) +{ + viewItems.remove(pos, count); + for (int i = pos; i < viewItems.count(); i++) + if (viewItems[i].parentItem >= pos) + viewItems[i].parentItem -= count; +} + +#if 0 +bool QTreeViewPrivate::checkViewItems() const +{ + for (int i = 0; i < viewItems.count(); ++i) { + const QTreeViewItem &vi = viewItems.at(i); + if (vi.parentItem == -1) { + Q_ASSERT(!vi.index.parent().isValid() || vi.index.parent() == root); + } else { + Q_ASSERT(vi.index.parent() == viewItems.at(vi.parentItem).index); + } + } + return true; +} +#endif + void QTreeViewPrivate::collapse(int item, bool emitSignal) { Q_Q(QTreeView); @@ -2977,14 +3012,11 @@ void QTreeViewPrivate::collapse(int item, bool emitSignal) expandedIndexes.erase(it); viewItems[item].expanded = false; int index = item; - QModelIndex parent = modelIndex; - while (parent.isValid() && parent != root) { - Q_ASSERT(index > -1); + while (index > -1) { viewItems[index].total -= total; - parent = parent.parent(); - index = viewIndex(parent); + index = viewItems[index].parentItem; } - viewItems.remove(item + 1, total); // collapse + removeViewItems(item + 1, total); // collapse q->setState(oldState); if (emitSignal) { @@ -3149,7 +3181,7 @@ void QTreeViewPrivate::layout(int i) } viewItems.resize(count); } else if (viewItems[i].total != (uint)count) { - viewItems.insert(i + 1, count, QTreeViewItem()); // expand + insertViewItems(i + 1, count, QTreeViewItem()); // expand } else { expanding = false; } @@ -3171,6 +3203,7 @@ void QTreeViewPrivate::layout(int i) item->hasMoreSiblings = true; item = &viewItems[last]; item->index = current; + item->parentItem = i; item->level = level; item->height = 0; item->spanning = q->isFirstColumnSpanned(current.row(), parent); @@ -3192,16 +3225,14 @@ void QTreeViewPrivate::layout(int i) // remove hidden items if (hidden > 0) - viewItems.remove(last + 1, hidden); // collapse + removeViewItems(last + 1, hidden); // collapse if (!expanding) return; // nothing changed - while (parent != root) { - Q_ASSERT(i > -1); + while (i > -1) { viewItems[i].total += count - hidden; - parent = parent.parent(); - i = viewIndex(parent); + i = viewItems[i].parentItem; } } @@ -3754,7 +3785,7 @@ void QTreeViewPrivate::rowsRemoved(const QModelIndex &parent, item += count; } else if (modelIndex.row() <= end) { // removed - viewItems.remove(item, count); + removeViewItems(item, count); removedCount += count; lastChildItem -= count; } else { @@ -3762,6 +3793,7 @@ void QTreeViewPrivate::rowsRemoved(const QModelIndex &parent, // moved; update the model index viewItems[item].index = model->index( modelIndex.row() - delta, modelIndex.column(), parent); +// viewItems[item].parentItem = parentItem; } item += count; } @@ -3780,8 +3812,7 @@ void QTreeViewPrivate::rowsRemoved(const QModelIndex &parent, } } if (after) { - q->updateGeometries(); - viewport->update(); + doDelayedItemsLayout(); } else { //we have removed items: we should at least update the scroll bar values. // They are used to determine the item geometry. |