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275 lines
12 KiB
275 lines
12 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, |
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2020, 2021, 2022, 2023, 2024, 2025, 2026 |
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Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include <pybind11/pybind11.h> |
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#include <Magnum/Platform/GlfwApplication.h> |
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#include "Corrade/PythonBindings.h" |
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#include "magnum/bootstrap.h" |
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#include "magnum/platform/application.h" |
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#include "magnum/platform/holder.h" |
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namespace magnum { namespace platform { |
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namespace { |
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int argc = 0; |
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} |
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void glfw(py::module_& m) { |
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m.doc() = "GLFW-based platform integration"; |
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struct PublicizedApplication: Platform::Application { |
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explicit PublicizedApplication(const Configuration& configuration, const GLConfiguration& glConfiguration): Platform::Application{Arguments{argc, nullptr}, configuration, glConfiguration} {} |
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void drawEvent() override { |
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PyErr_SetString(PyExc_NotImplementedError, "the application has to provide a draw_event() method"); |
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throw py::error_already_set{}; |
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} |
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void exitEvent(ExitEvent& event) override { |
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/* The base implementation does this, otherwise the exit event is |
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always cancelled. It's private so we can't call it directly. */ |
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event.setAccepted(); |
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} |
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void viewportEvent(ViewportEvent&) override {} |
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void keyPressEvent(KeyEvent&) override {} |
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void keyReleaseEvent(KeyEvent&) override {} |
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void pointerPressEvent(PointerEvent&) override {} |
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void pointerReleaseEvent(PointerEvent&) override {} |
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void pointerMoveEvent(PointerMoveEvent&) override {} |
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void scrollEvent(ScrollEvent&) override {} |
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/* The base doesn't have a virtual destructor because in C++ it's never |
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deleted through a pointer to the base. Here we need it, though. */ |
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virtual ~PublicizedApplication() = default; |
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}; |
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struct PyApplication: PublicizedApplication { |
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using PublicizedApplication::PublicizedApplication; |
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/* PYBIND11_OVERLOAD_NAME() calls object_api::operator() with implicit |
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template param, which is return_value_policy::automatic_reference. |
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That later gets changed to return_value_policy::copy in |
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type_caster_base::cast() and there's no way to override that. */ |
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void exitEvent(ExitEvent& event) override { |
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PYBIND11_OVERLOAD_NAME( |
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void, |
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PublicizedApplication, |
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"exit_event", |
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exitEvent, |
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/* Have to use std::ref() otherwise pybind tries to copy |
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it and fails */ |
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std::ref(event) |
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); |
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} |
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void viewportEvent(ViewportEvent& event) override { |
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PYBIND11_OVERLOAD_NAME( |
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void, |
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PublicizedApplication, |
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"viewport_event", |
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viewportEvent, |
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/* Have to use std::ref() otherwise pybind tries to copy |
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it and fails */ |
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std::ref(event) |
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); |
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} |
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void drawEvent() override { |
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#ifdef __clang__ |
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/* ugh pybind don't tell me I AM THE FIRST ON EARTH to get a |
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warning here. Why there's no PYBIND11_OVERLOAD_NAME_ARG() |
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variant *with* arguments and one without? */ |
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#pragma GCC diagnostic push |
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#pragma GCC diagnostic ignored "-Wgnu-zero-variadic-macro-arguments" |
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#endif |
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PYBIND11_OVERLOAD_NAME( |
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void, |
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PublicizedApplication, |
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"draw_event", |
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drawEvent |
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); |
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#ifdef __clang__ |
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#pragma GCC diagnostic pop |
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#endif |
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} |
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void keyPressEvent(KeyEvent& event) override { |
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PYBIND11_OVERLOAD_NAME( |
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void, |
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PublicizedApplication, |
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"key_press_event", |
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keyPressEvent, |
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/* Have to use std::ref() otherwise pybind tries to copy |
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it and fails */ |
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std::ref(event) |
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); |
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} |
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void keyReleaseEvent(KeyEvent& event) override { |
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PYBIND11_OVERLOAD_NAME( |
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void, |
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PublicizedApplication, |
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"key_release_event", |
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keyReleaseEvent, |
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/* Have to use std::ref() otherwise pybind tries to copy |
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it and fails */ |
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std::ref(event) |
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); |
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} |
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void pointerPressEvent(PointerEvent& event) override { |
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PYBIND11_OVERLOAD_NAME( |
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void, |
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PublicizedApplication, |
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"pointer_press_event", |
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pointerPressEvent, |
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/* Have to use std::ref() otherwise pybind tries to copy |
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it and fails */ |
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std::ref(event) |
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); |
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} |
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void pointerReleaseEvent(PointerEvent& event) override { |
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PYBIND11_OVERLOAD_NAME( |
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void, |
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PublicizedApplication, |
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"pointer_release_event", |
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pointerReleaseEvent, |
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/* Have to use std::ref() otherwise pybind tries to copy |
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it and fails */ |
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std::ref(event) |
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); |
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} |
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void pointerMoveEvent(PointerMoveEvent& event) override { |
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PYBIND11_OVERLOAD_NAME( |
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void, |
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PublicizedApplication, |
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"pointer_move_event", |
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pointerMoveEvent, |
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/* Have to use std::ref() otherwise pybind tries to copy |
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it and fails */ |
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std::ref(event) |
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); |
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} |
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void scrollEvent(ScrollEvent& event) override { |
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PYBIND11_OVERLOAD_NAME( |
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void, |
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PublicizedApplication, |
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"scroll_event", |
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scrollEvent, |
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/* Have to use std::ref() otherwise pybind tries to copy |
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it and fails */ |
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std::ref(event) |
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); |
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} |
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}; |
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py::class_<PublicizedApplication, PyApplication, ApplicationHolder<PublicizedApplication>> glfwApplication{m, "Application", "GLFW application"}; |
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glfwApplication |
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.def_property("swap_interval", nullptr, |
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[](PublicizedApplication& self, Int interval) { |
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self.setSwapInterval(interval); |
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}, "Swap interval") |
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.def("main_loop_iteration", &PyApplication::mainLoopIteration, "Run one iteration of application main loop"); |
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py::class_<Platform::Application::Configuration> configuration_{glfwApplication, "Configuration", "Configuration"}; |
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py::enum_<Platform::Application::Configuration::WindowFlag> configurationWindowFlags{configuration_, "WindowFlags", "Window flags"}; |
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configurationWindowFlags |
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.value("FULLSCREEN", Platform::Application::Configuration::WindowFlag::Fullscreen) |
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.value("BORDERLESS", Platform::Application::Configuration::WindowFlag::Borderless) |
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.value("RESIZABLE", Platform::Application::Configuration::WindowFlag::Resizable) |
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.value("HIDDEN", Platform::Application::Configuration::WindowFlag::Hidden) |
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.value("MAXIMIZED", Platform::Application::Configuration::WindowFlag::Maximized) |
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.value("MINIMIZED", Platform::Application::Configuration::WindowFlag::Minimized) |
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.value("ALWAYS_ON_TOP", Platform::Application::Configuration::WindowFlag::AlwaysOnTop) |
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.value("AUTO_ICONIFY", Platform::Application::Configuration::WindowFlag::AutoIconify) |
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.value("FOCUSED", Platform::Application::Configuration::WindowFlag::Focused) |
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/** @todo Contextless, once anything else than GL is exposed to |
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Python */ |
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.value("NONE", Platform::Application::Configuration::WindowFlag{}); |
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corrade::enumOperators(configurationWindowFlags); |
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PyNonDestructibleClass<PublicizedApplication::ExitEvent> exitEvent_{glfwApplication, "ExitEvent", "Exit event"}; |
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PyNonDestructibleClass<PublicizedApplication::ViewportEvent> viewportEvent_{glfwApplication, "ViewportEvent", "Viewport event"}; |
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PyNonDestructibleClass<PublicizedApplication::InputEvent> inputEvent_{glfwApplication, "InputEvent", "Base for input events"}; |
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py::class_<PublicizedApplication::KeyEvent, PublicizedApplication::InputEvent> keyEvent_{glfwApplication, "KeyEvent", "Key event"}; |
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py::class_<PublicizedApplication::PointerEvent, PublicizedApplication::InputEvent> pointerEvent_{glfwApplication, "PointerEvent", "Pointer event"}; |
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py::class_<PublicizedApplication::PointerMoveEvent, PublicizedApplication::InputEvent> pointerMoveEvent_{glfwApplication, "PointerMoveEvent", "Pointer move event"}; |
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py::class_<PublicizedApplication::ScrollEvent, PublicizedApplication::InputEvent> scrollEvent_{glfwApplication, "ScrollEvent", "Scroll event"}; |
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py::enum_<Platform::Application::PointerEventSource>{glfwApplication, "PointerEventSource", "Pointer event source"} |
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.value("MOUSE", Platform::Application::PointerEventSource::Mouse); |
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py::enum_<Platform::Application::Pointer> pointer{glfwApplication, "Pointer", "Pointer"}; |
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pointer |
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.value("MOUSE_LEFT", Platform::Application::Pointer::MouseLeft) |
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.value("MOUSE_MIDDLE", Platform::Application::Pointer::MouseMiddle) |
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.value("MOUSE_RIGHT", Platform::Application::Pointer::MouseRight) |
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.value("MOUSE_BUTTON4", Platform::Application::Pointer::MouseButton4) |
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.value("MOUSE_BUTTON5", Platform::Application::Pointer::MouseButton5); |
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corrade::enumOperators(pointer); |
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py::enum_<Platform::Application::Cursor>{glfwApplication, "Cursor", "Cursor type"} |
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.value("ARROW", Platform::Application::Cursor::Arrow) |
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.value("TEXT_INPUT", Platform::Application::Cursor::TextInput) |
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.value("CROSSHAIR", Platform::Application::Cursor::Crosshair) |
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#ifdef GLFW_RESIZE_NWSE_CURSOR |
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.value("RESIZE_NWSE", Platform::Application::Cursor::ResizeNWSE) |
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.value("RESIZE_NESW", Platform::Application::Cursor::ResizeNESW) |
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#endif |
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.value("RESIZE_WE", Platform::Application::Cursor::ResizeWE) |
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.value("RESIZE_NS", Platform::Application::Cursor::ResizeNS) |
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#ifdef GLFW_RESIZE_NWSE_CURSOR |
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.value("RESIZE_ALL", Platform::Application::Cursor::ResizeAll) |
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.value("NO", Platform::Application::Cursor::No) |
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#endif |
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.value("HAND", Platform::Application::Cursor::Hand) |
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.value("HIDDEN", Platform::Application::Cursor::Hidden) |
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.value("HIDDEN_LOCKED", Platform::Application::Cursor::HiddenLocked); |
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configuration(configuration_); |
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application(glfwApplication); |
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exitEvent(exitEvent_); |
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viewportEvent(viewportEvent_); |
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inputEvent(inputEvent_); |
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keyEvent(keyEvent_); |
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pointerEvent(pointerEvent_); |
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pointerMoveEvent(pointerMoveEvent_); |
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scrollEvent(scrollEvent_); |
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} |
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}} |
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#ifndef MAGNUM_BUILD_STATIC |
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/* TODO: remove declaration when https://github.com/pybind/pybind11/pull/1863 |
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is released */ |
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extern "C" PYBIND11_EXPORT PyObject* PyInit_glfw(); |
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PYBIND11_MODULE(glfw, m) { |
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magnum::platform::glfw(m); |
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} |
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#endif
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