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Add row data tracking to C++ sixtyfps::Model

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This works the same way as in the Rust model notify.
This commit is contained in:
Simon Hausmann 2022-01-14 10:59:37 +01:00 • committed by Simon Hausmann
parent 43830ccd78
commit 6e3fcd1b08
2 changed files with 65 additions and 6 deletions
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42
api/sixtyfps-cpp/tests/datastructures.cpp
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@ -16,7 +16,6 @@ SCENARIO("SharedString API")
REQUIRE(str == "");
REQUIRE(std::string_view(str.data()) == ""); // this test null termination of data()
SECTION("Construct from string_view")
{
std::string foo("Foo");
@ -40,7 +39,6 @@ SCENARIO("SharedString API")
REQUIRE(str == "Hello 🦊!");
REQUIRE(std::string_view(str.data()) == "Hello 🦊!");
}
}
TEST_CASE("Basic SharedVector API", "[vector]")
@ -109,6 +107,46 @@ TEST_CASE("Model row changes")
}) == 1);
}
TEST_CASE("Track model row data changes")
{
using namespace sixtyfps::private_api;
auto model = std::make_shared<sixtyfps::VectorModel<int>>(std::vector<int> { 0, 1, 2, 3, 4 });
PropertyTracker tracker;
REQUIRE(tracker.evaluate([&]() {
model->track_row_data_changes(1);
return model->row_data(1);
}) == 1);
REQUIRE(!tracker.is_dirty());
model->set_row_data(2, 42);
REQUIRE(!tracker.is_dirty());
model->set_row_data(1, 100);
REQUIRE(tracker.is_dirty());
REQUIRE(tracker.evaluate([&]() {
model->track_row_data_changes(1);
return model->row_data(1);
}) == 100);
REQUIRE(!tracker.is_dirty());
// Any changes to rows (even if after tracked rows) for now also marks watched rows as dirty, to
// keep the logic simple.
model->push_back(200);
REQUIRE(tracker.is_dirty());
REQUIRE(tracker.evaluate([&]() {
model->track_row_data_changes(1);
return model->row_data(1);
}) == 100);
REQUIRE(!tracker.is_dirty());
model->insert(0, 255);
REQUIRE(tracker.is_dirty());
}
TEST_CASE("Image")
{
using namespace sixtyfps;