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More work on state properties with transitions

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C++ set the proper binding for StateInfo state binding
This commit is contained in:
Olivier Goffart 2020-11-19 13:28:25 +01:00
parent cfa9413861
commit c50fc6f51c
5 changed files with 69 additions and 41 deletions
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12
api/sixtyfps-cpp/include/sixtyfps_properties.h
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@ -21,6 +21,8 @@ struct PropertyAnimation;
namespace sixtyfps {
using cbindgen_private::StateInfo;
template<typename T>
struct Property
{
@ -112,6 +114,7 @@ struct Property
private:
cbindgen_private::PropertyHandleOpaque inner;
mutable T value {};
template<typename F> friend void set_state_binding(const Property<StateInfo> &property, F binding);
};
template<>
@ -158,6 +161,15 @@ void Property<float>::set_animated_binding(
&animation_data);
}
template<typename F>
void set_state_binding(const Property<StateInfo> &property, F binding) {
cbindgen_private::sixtyfps_property_set_state_binding(
&property.inner,
[](void *user_data) -> int32_t { return (*reinterpret_cast<F *>(user_data))(); },
new F(binding),
[](void *user_data) { delete reinterpret_cast<F *>(user_data); });
}
struct PropertyTracker
{
PropertyTracker() { cbindgen_private::sixtyfps_property_tracker_init(&inner); }