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C++: some changes to the Platform API

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This commit is contained in:
Olivier Goffart 2023-07-25 15:43:31 +02:00 • committed by Olivier Goffart
parent c05ee8b87d
commit 42bb2bf705
4 changed files with 15 additions and 7 deletions
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12
api/cpp/include/slint_platform.h
View file

@ -172,12 +172,14 @@ public:
Platform() = default;
/// Returns a new WindowAdapter
virtual std::unique_ptr<WindowAdapter> create_window_adapter() const = 0;
virtual std::unique_ptr<WindowAdapter> create_window_adapter() = 0;
# ifndef SLINT_FEATURE_STD
/// Returns the amount of milliseconds since start of the application.
///
/// This function should only be implemented if the runtime is compiled with no_std
virtual std::chrono::milliseconds duration_since_start() const { return {}; }
# endif
/// Spins an event loop and renders the visible windows.
virtual void run_event_loop() { }
@ -244,12 +246,16 @@ public:
cbindgen_private::slint_platform_register(
platform.release(), [](void *p) { delete reinterpret_cast<const Platform *>(p); },
[](void *p, cbindgen_private::WindowAdapterRcOpaque *out) {
auto w = reinterpret_cast<const Platform *>(p)->create_window_adapter();
auto w = reinterpret_cast<Platform *>(p)->create_window_adapter();
*out = w->initialize();
(void)w.release();
},
[](void *p) -> uint64_t {
[]([[maybe_unused]] void *p) -> uint64_t {
# ifdef SLINT_FEATURE_STD
return 0;
# else
return reinterpret_cast<const Platform *>(p)->duration_since_start().count();
# endif
},
[](void *p) { return reinterpret_cast<Platform *>(p)->run_event_loop(); },
[](void *p) { return reinterpret_cast<Platform *>(p)->quit_event_loop(); },

4
api/cpp/tests/manual/platform_native/appview.cpp
View file

@ -16,8 +16,8 @@ namespace slint_platform = slint::experimental::platform;
struct MyPlatform : public slint_platform::Platform
{
mutable std::unique_ptr<MyWindowAdapter> the_window;
std::unique_ptr<slint_platform::WindowAdapter> create_window_adapter() const override
std::unique_ptr<MyWindowAdapter> the_window;
std::unique_ptr<slint_platform::WindowAdapter> create_window_adapter() override
{
return std::move(the_window);
}

2
api/cpp/tests/manual/platform_qt/main.cpp
View file

@ -155,7 +155,7 @@ struct MyPlatform : public slint_platform::Platform
std::unique_ptr<QWindow> parentWindow;
std::unique_ptr<slint_platform::WindowAdapter> create_window_adapter() const override
std::unique_ptr<slint_platform::WindowAdapter> create_window_adapter() override
{
return std::make_unique<MyWindow>(parentWindow.get());
}

4
api/cpp/tests/platform_eventloop.cpp
View file

@ -23,7 +23,7 @@ struct TestPlatform : slint_platform::Platform
std::chrono::time_point<std::chrono::steady_clock> start = std::chrono::steady_clock::now();
/// Returns a new WindowAdapter
virtual std::unique_ptr<slint_platform::WindowAdapter> create_window_adapter() const override
virtual std::unique_ptr<slint_platform::WindowAdapter> create_window_adapter() override
{
assert(!"creating window in this test");
return nullptr;
@ -74,11 +74,13 @@ struct TestPlatform : slint_platform::Platform
cv.notify_all();
}
#ifndef SLINT_FEATURE_STD
virtual std::chrono::milliseconds duration_since_start() const override
{
return std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now() - start);
}
#endif
};
bool init_platform = (TestPlatform::register_platform(std::make_unique<TestPlatform>()), true);