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C++: Add convenience functions to clear and replace the VectorModel's vector

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This was requested by a customer recently and it seems rather straight-forward to implement and offer. `clear()` mirrors `std::vector::clear()` and `set_vector` mirrors the `set_vec` we have in Rust.
This commit is contained in:
Simon Hausmann 2024-01-19 11:27:19 +01:00 • committed by Simon Hausmann
parent 2871fadd5c
commit 8e0af0bf63
3 changed files with 48 additions and 0 deletions
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31
api/cpp/tests/models.cpp
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@ -494,3 +494,34 @@ SCENARIO("Reverse Model Change")
REQUIRE(reverse_model->row_data(2) == 10);
REQUIRE(reverse_model->row_data(3) == 3);
}
TEST_CASE("VectorModel clear and replace")
{
using namespace slint::private_api;
auto model = std::make_shared<slint::VectorModel<int>>(std::vector<int> { 0, 1, 2, 3, 4 });
auto observer = std::make_shared<ModelObserver>();
model->attach_peer(observer);
REQUIRE(model->row_count() == 5);
model->clear();
REQUIRE(model->row_count() == 0);
REQUIRE(observer->added_rows.empty());
REQUIRE(observer->changed_rows.empty());
REQUIRE(observer->removed_rows.empty());
REQUIRE(observer->model_reset);
observer->clear();
model->clear();
REQUIRE(!observer->model_reset);
observer->clear();
model->set_vector({ 2, 3, 4 });
REQUIRE(model->row_count() == 3);
REQUIRE(model->row_data(1) == 3);
REQUIRE(observer->added_rows.empty());
REQUIRE(observer->changed_rows.empty());
REQUIRE(observer->removed_rows.empty());
REQUIRE(observer->model_reset);
}