def initialize(self):
"""Sets up the OpenGL window and binds input callbacks to it
"""
glutKeyboardFunc(self._on_key_down)
glutSpecialFunc(self._on_special_key_down)
# [Keyboard/Special]Up methods aren't supported on some old GLUT implementations
has_keyboard_up = False
has_special_up = False
try:
if bool(glutKeyboardUpFunc):
glutKeyboardUpFunc(self._on_key_up)
has_keyboard_up = True
if bool(glutSpecialUpFunc):
glutSpecialUpFunc(self._on_special_key_up)
has_special_up = True
except NullFunctionError:
# Methods aren't available on this GLUT version
pass
if not has_keyboard_up or not has_special_up:
# Warn on old GLUT implementations that don't implement much of the interface.
self._logger.warning(
"Warning: Old GLUT implementation detected - keyboard remote control of Vector disabled."
"We recommend installing freeglut. %s",
_glut_install_instructions())
self._is_keyboard_control_enabled = False
else:
self._is_keyboard_control_enabled = True
try:
GLUT_BITMAP_9_BY_15
except NameError:
self._logger.warning(
"Warning: GLUT font not detected. Help message will be unavailable."
)
glutMouseFunc(self._on_mouse_button)
glutMotionFunc(self._on_mouse_move)
glutPassiveMotionFunc(self._on_mouse_move)
glutIdleFunc(self._idle)
glutVisibilityFunc(self._visible)
def initialize(self, display_function: callable):
"""Initialze the OpenGL display parts of the Window.
Warning:
Must be called on the same thread as OpenGL (usually the main thread),
"""
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH)
glutInitWindowSize(self.width, self.height)
glutInitWindowPosition(*self._pos)
self._gl_window = glutCreateWindow(self._window_name)
glClearColor(0, 0, 0, 0)
glEnable(GL_DEPTH_TEST)
glShadeModel(GL_SMOOTH)
glutIdleFunc(self._idle)
glutVisibilityFunc(self._visible)
glutReshapeFunc(self._reshape)
glutDisplayFunc(display_function)