-
Notifications
You must be signed in to change notification settings - Fork 13
/
glfw.cpp
225 lines (199 loc) · 8.93 KB
/
glfw.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
/*
This file is part of Magnum.
Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019,
2020, 2021, 2022 Vladimír Vondruš <mosra@centrum.cz>
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include <pybind11/pybind11.h>
#include <Magnum/Platform/GlfwApplication.h>
#include "Corrade/PythonBindings.h"
#include "magnum/bootstrap.h"
#include "magnum/platform/application.h"
#include "magnum/platform/holder.h"
namespace magnum { namespace platform {
namespace {
int argc = 0;
}
void glfw(py::module_& m) {
m.doc() = "GLFW-based platform integration";
struct PublicizedApplication: Platform::Application {
explicit PublicizedApplication(const Configuration& configuration, const GLConfiguration& glConfiguration): Platform::Application{Arguments{argc, nullptr}, configuration, glConfiguration} {}
void drawEvent() override {
PyErr_SetString(PyExc_NotImplementedError, "the application has to provide a draw_event() method");
throw py::error_already_set{};
}
void exitEvent(ExitEvent& event) override {
/* The base implementation does this, otherwise the exit event is
always cancelled. It's private so we can't call it directly. */
event.setAccepted();
}
void viewportEvent(ViewportEvent&) override {}
void keyPressEvent(KeyEvent&) override {}
void keyReleaseEvent(KeyEvent&) override {}
void mousePressEvent(MouseEvent&) override {}
void mouseReleaseEvent(MouseEvent&) override {}
void mouseMoveEvent(MouseMoveEvent&) override {}
void mouseScrollEvent(MouseScrollEvent&) override {}
/* The base doesn't have a virtual destructor because in C++ it's never
deleted through a pointer to the base. Here we need it, though. */
virtual ~PublicizedApplication() = default;
};
struct PyApplication: PublicizedApplication {
using PublicizedApplication::PublicizedApplication;
/* PYBIND11_OVERLOAD_NAME() calls object_api::operator() with implicit
template param, which is return_value_policy::automatic_reference.
That later gets changed to return_value_policy::copy in
type_caster_base::cast() and there's no way to override that. */
void exitEvent(ExitEvent& event) override {
PYBIND11_OVERLOAD_NAME(
void,
PublicizedApplication,
"exit_event",
exitEvent,
/* Have to use std::ref() otherwise pybind tries to copy
it and fails */
std::ref(event)
);
}
void viewportEvent(ViewportEvent& event) override {
PYBIND11_OVERLOAD_NAME(
void,
PublicizedApplication,
"viewport_event",
viewportEvent,
/* Have to use std::ref() otherwise pybind tries to copy
it and fails */
std::ref(event)
);
}
void drawEvent() override {
#ifdef __clang__
/* ugh pybind don't tell me I AM THE FIRST ON EARTH to get a
warning here. Why there's no PYBIND11_OVERLOAD_NAME_ARG()
variant *with* arguments and one without? */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
#endif
PYBIND11_OVERLOAD_NAME(
void,
PublicizedApplication,
"draw_event",
drawEvent
);
#ifdef __clang__
#pragma GCC diagnostic pop
#endif
}
void keyPressEvent(KeyEvent& event) override {
PYBIND11_OVERLOAD_NAME(
void,
PublicizedApplication,
"key_press_event",
keyPressEvent,
/* Have to use std::ref() otherwise pybind tries to copy
it and fails */
std::ref(event)
);
}
void keyReleaseEvent(KeyEvent& event) override {
PYBIND11_OVERLOAD_NAME(
void,
PublicizedApplication,
"key_release_event",
keyReleaseEvent,
/* Have to use std::ref() otherwise pybind tries to copy
it and fails */
std::ref(event)
);
}
void mousePressEvent(MouseEvent& event) override {
PYBIND11_OVERLOAD_NAME(
void,
PublicizedApplication,
"mouse_press_event",
mousePressEvent,
/* Have to use std::ref() otherwise pybind tries to copy
it and fails */
std::ref(event)
);
}
void mouseReleaseEvent(MouseEvent& event) override {
PYBIND11_OVERLOAD_NAME(
void,
PublicizedApplication,
"mouse_release_event",
mouseReleaseEvent,
/* Have to use std::ref() otherwise pybind tries to copy
it and fails */
std::ref(event)
);
}
void mouseMoveEvent(MouseMoveEvent& event) override {
PYBIND11_OVERLOAD_NAME(
void,
PublicizedApplication,
"mouse_move_event",
mouseMoveEvent,
/* Have to use std::ref() otherwise pybind tries to copy
it and fails */
std::ref(event)
);
}
void mouseScrollEvent(MouseScrollEvent& event) override {
PYBIND11_OVERLOAD_NAME(
void,
PublicizedApplication,
"mouse_scroll_event",
mouseScrollEvent,
/* Have to use std::ref() otherwise pybind tries to copy
it and fails */
std::ref(event)
);
}
};
py::class_<PublicizedApplication, PyApplication, ApplicationHolder<PublicizedApplication>> glfwApplication{m, "Application", "GLFW application"};
glfwApplication
.def_property("swap_interval", nullptr,
[](PublicizedApplication& self, Int interval) {
self.setSwapInterval(interval);
}, "Swap interval")
.def("main_loop_iteration", &PyApplication::mainLoopIteration, "Run one iteration of application main loop");
PyNonDestructibleClass<PublicizedApplication::ExitEvent> exitEvent_{glfwApplication, "ExitEvent", "Exit event"};
PyNonDestructibleClass<PublicizedApplication::ViewportEvent> viewportEvent_{glfwApplication, "ViewportEvent", "Viewport event"};
PyNonDestructibleClass<PublicizedApplication::InputEvent> inputEvent_{glfwApplication, "InputEvent", "Base for input events"};
py::class_<PublicizedApplication::KeyEvent, PublicizedApplication::InputEvent> keyEvent_{glfwApplication, "KeyEvent", "Key event"};
py::class_<PublicizedApplication::MouseEvent, PublicizedApplication::InputEvent> mouseEvent_{glfwApplication, "MouseEvent", "Mouse event"};
py::class_<PublicizedApplication::MouseMoveEvent, PublicizedApplication::InputEvent> mouseMoveEvent_{glfwApplication, "MouseMoveEvent", "Mouse move event"};
py::class_<PublicizedApplication::MouseScrollEvent, PublicizedApplication::InputEvent> mouseScrollEvent_{glfwApplication, "MouseScrollEvent", "Mouse scroll event"};
application(glfwApplication);
exitEvent(exitEvent_);
viewportEvent(viewportEvent_);
inputEvent(inputEvent_);
keyEvent(keyEvent_);
mouseEvent(mouseEvent_);
mouseMoveEvent(mouseMoveEvent_);
mouseScrollEvent(mouseScrollEvent_);
}
}}
#ifndef MAGNUM_BUILD_STATIC
/* TODO: remove declaration when https://github.com/pybind/pybind11/pull/1863
is released */
extern "C" PYBIND11_EXPORT PyObject* PyInit_glfw();
PYBIND11_MODULE(glfw, m) {
magnum::platform::glfw(m);
}
#endif