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C++: Support of dynamic model and if expression

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This commit is contained in:
Olivier Goffart 2020-07-03 17:37:07 +02:00
parent 20369c7fc7
commit 90532e80d2
3 changed files with 100 additions and 51 deletions
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7
api/sixtyfps-cpp/include/sixtyfps.h
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@ -70,9 +70,9 @@ constexpr inline ItemTreeNode<uint8_t> make_dyn_node(std::uintptr_t offset)
using internal::sixtyfps_visit_item_tree;
template<typename Component>
EvaluationContext evaluation_context_for_root_component(Component *component) {
EvaluationContext evaluation_context_for_root_component(const Component *component) {
return EvaluationContext{
VRef<ComponentVTable> { &Component::component_type, component},
VRef<ComponentVTable> { &Component::component_type, const_cast<Component *>(component)},
nullptr,
};
}
@ -122,8 +122,9 @@ struct Repeater {
std::vector<std::unique_ptr<C>> data;
template<typename Parent>
void update_model(Model *model, Parent *parent)
void update_model(Model *model, const Parent *parent) const
{
auto &data = const_cast<Repeater*>(this)->data;
data.clear();
auto count = model->count();
for (auto i = 0; i < count; ++i) {