def on_key_press(self, symbol, modifiers):
try:
char = chr(symbol)
except OverflowError:
print(" Warning: The value of the pressed key is too large.")
return
event_data = {"symbol": symbol, "modifiers": modifiers}
propagate_event = EVENT_DISPATCHER.dispatch(EventType.KeyPressEvent,
**event_data)
if propagate_event is not None and propagate_event is False:
return
frame = self.camera.frame
if char == "r":
frame.to_default_state()
elif char == "q":
self.quit_interaction = True
elif char == "p":
theta, phi, gamma = frame.get_euler_angles() * 180 / PI
if hasattr(self, "info"):
self.remove(self.info)
self.info = Text(
f"(theta,phi,gamma)=({round(theta, 2)},{round(phi, 2)},{round(gamma, 2)})"
f"\n\nCenter:{frame.get_center()}"
f"\n\nScale:{frame.scale_factor}").scale(0.5)
self.info.fix_in_frame()
self.info.to_edge(UL)
self.add(self.info)
def on_mouse_release(self, point: np.ndarray, button: int,
mods: int) -> None:
event_data = {"point": point, "button": button, "mods": mods}
propagate_event = EVENT_DISPATCHER.dispatch(
EventType.MouseReleaseEvent, **event_data)
if propagate_event is not None and propagate_event is False:
return
def on_mouse_drag(self, point, d_point, buttons, modifiers):
self.mouse_drag_point.move_to(point)
event_data = {"point": point, "d_point": d_point, "buttons": buttons, "modifiers": modifiers}
propagate_event = EVENT_DISPATCHER.dispatch(EventType.MouseDragEvent, **event_data)
if propagate_event is not None and propagate_event is False:
return
def on_key_press(self, symbol: int, modifiers: int) -> None:
try:
char = chr(symbol)
except OverflowError:
log.warning("The value of the pressed key is too large.")
return
event_data = {"symbol": symbol, "modifiers": modifiers}
propagate_event = EVENT_DISPATCHER.dispatch(EventType.KeyPressEvent,
**event_data)
if propagate_event is not None and propagate_event is False:
return
if char == RESET_FRAME_KEY:
self.camera.frame.to_default_state()
elif char == "z" and modifiers == COMMAND_MODIFIER:
self.undo()
elif char == "z" and modifiers == COMMAND_MODIFIER | SHIFT_MODIFIER:
self.redo()
# command + q
elif char == QUIT_KEY and modifiers == COMMAND_MODIFIER:
self.quit_interaction = True
# Space or right arrow
elif char == " " or symbol == ARROW_SYMBOLS[2]:
self.hold_on_wait = False
def on_mouse_motion(
self,
point: np.ndarray,
d_point: np.ndarray
) -> None:
self.mouse_point.move_to(point)
event_data = {"point": point, "d_point": d_point}
propagate_event = EVENT_DISPATCHER.dispatch(EventType.MouseMotionEvent, **event_data)
if propagate_event is not None and propagate_event is False:
return
frame = self.camera.frame
# Handle perspective changes
if self.window.is_key_pressed(ord(PAN_3D_KEY)):
frame.increment_theta(-self.pan_sensitivity * d_point[0])
frame.increment_phi(self.pan_sensitivity * d_point[1])
# Handle frame movements
elif self.window.is_key_pressed(ord(FRAME_SHIFT_KEY)):
shift = -d_point
shift[0] *= frame.get_width() / 2
shift[1] *= frame.get_height() / 2
transform = frame.get_inverse_camera_rotation_matrix()
shift = np.dot(np.transpose(transform), shift)
frame.shift(shift)
def on_mouse_press(self, point: np.ndarray, button: int,
mods: int) -> None:
self.mouse_drag_point.move_to(point)
event_data = {"point": point, "button": button, "mods": mods}
propagate_event = EVENT_DISPATCHER.dispatch(EventType.MousePressEvent,
**event_data)
if propagate_event is not None and propagate_event is False:
return
def on_key_release(
self,
symbol: int,
modifiers: int
) -> None:
event_data = {"symbol": symbol, "modifiers": modifiers}
propagate_event = EVENT_DISPATCHER.dispatch(EventType.KeyReleaseEvent, **event_data)
if propagate_event is not None and propagate_event is False:
return
def on_mouse_scroll(self, point, offset):
event_data = {"point": point, "offset": offset}
propagate_event = EVENT_DISPATCHER.dispatch(EventType.MouseScrollEvent, **event_data)
if propagate_event is not None and propagate_event is False:
return
frame = self.camera.frame
if self.window.is_key_pressed(ord("z")):
factor = 1 + np.arctan(10 * offset[1])
frame.scale(factor, about_point=point)
else:
transform = frame.get_inverse_camera_rotation_matrix()
shift = np.dot(np.transpose(transform), offset)
frame.shift(-20.0 * shift)
def on_key_press(self, symbol, modifiers):
try:
char = chr(symbol)
except OverflowError:
print(" Warning: The value of the pressed key is too large.")
return
event_data = {"symbol": symbol, "modifiers": modifiers}
propagate_event = EVENT_DISPATCHER.dispatch(EventType.KeyPressEvent, **event_data)
if propagate_event is not None and propagate_event is False:
return
if char == "r":
self.camera.frame.to_default_state()
elif char == "q":
self.quit_interaction = True
def on_mouse_motion(self, point, d_point):
self.mouse_point.move_to(point)
event_data = {"point": point, "d_point": d_point}
propagate_event = EVENT_DISPATCHER.dispatch(EventType.MouseMotionEvent, **event_data)
if propagate_event is not None and propagate_event is False:
return
frame = self.camera.frame
if self.window.is_key_pressed(ord("d")):
frame.increment_theta(-d_point[0])
frame.increment_phi(d_point[1])
elif self.window.is_key_pressed(ord("s")):
shift = -d_point
shift[0] *= frame.get_width() / 2
shift[1] *= frame.get_height() / 2
transform = frame.get_inverse_camera_rotation_matrix()
shift = np.dot(np.transpose(transform), shift)
frame.shift(shift)
def on_key_press(self, symbol: int, modifiers: int) -> None:
try:
char = chr(symbol)
except OverflowError:
log.warning("The value of the pressed key is too large.")
return
event_data = {"symbol": symbol, "modifiers": modifiers}
propagate_event = EVENT_DISPATCHER.dispatch(EventType.KeyPressEvent,
**event_data)
if propagate_event is not None and propagate_event is False:
return
if char == "r":
self.camera.frame.to_default_state()
elif char == "q":
self.quit_interaction = True
elif char == " " or symbol == 65363: # Space or right arrow
self.hold_on_wait = False
elif char == "e" and modifiers == 3: # ctrl + shift + e
self.embed(close_scene_on_exit=False)
def on_mouse_press(self, point, button, mods):
event_data = {"point": point, "button": button, "mods": mods}
propagate_event = EVENT_DISPATCHER.dispatch(EventType.MousePressEvent, **event_data)
if propagate_event is not None and propagate_event is False:
return
