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Traverse item front to back for input events

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This commit is contained in:
Olivier Goffart 2020-08-10 10:44:28 +02:00
parent d9c776eb57
commit 36243ccdf7
12 changed files with 97 additions and 47 deletions
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10
api/sixtyfps-cpp/include/sixtyfps.h
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@ -31,6 +31,7 @@ using internal::ComponentVTable;
using ItemTreeNode = internal::ItemTreeNode<uint8_t>;
using ComponentRef = VRef<ComponentVTable>;
using ItemVisitorRefMut = VRefMut<internal::ItemVisitorVTable>;
using internal::TraversalOrder;
using internal::EasingCurve;
using internal::TextHorizontalAlignment;
using internal::TextVerticalAlignment;
@ -177,12 +178,13 @@ struct Repeater
}
}
intptr_t visit(ItemVisitorRefMut visitor) const
intptr_t visit(TraversalOrder order, ItemVisitorRefMut visitor) const
{
for (std::size_t i = 0; i < data.size(); ++i) {
VRef<ComponentVTable> ref = item_at(i);
if (ref.vtable->visit_children_item(ref, -1, visitor) != -1) {
return i;
int index = order == TraversalOrder::BackToFront ? i : data.size() - 1 - i;
VRef<ComponentVTable> ref = item_at(index);
if (ref.vtable->visit_children_item(ref, -1, order, visitor) != -1) {
return index;
}
}
return -1;