def __init__(self):
# ID OF THE NODE
GeneralNode.id_counter += 1
self.id = GeneralNode.id_counter
# BASIC NODE PROPERTIES
self.extra_header = 0
self.widget = None
self.max_streams = 16
self.is_selected = False
# STREAMS
self.stream_count = 0
self.streams = []
# GRAPHICS OF THE NODE
QtWidgets.QGraphicsPathItem.__init__(self)
self.setFlags(QtWidgets.QGraphicsPathItem.ItemIsMovable)
self.id_text = QtWidgets.QGraphicsSimpleTextItem(parent=self)
self.proxy_add_btn = QtWidgets.QGraphicsProxyWidget(parent=self)
self.proxy_remove_btn = QtWidgets.QGraphicsProxyWidget(parent=self)
self.marquee = QtWidgets.QGraphicsPathItem(parent=self)
# SETUP
self.setup_node()
self.add_stream()
self.setup_widget()
def __init__(self, coordinates, relation_type, host=None, reverse=False):
self.coordinates = coordinates
self.host = host
self.relation_type = relation_type
self.graphics_item = QtWidgets.QGraphicsPathItem()
self.reverse = reverse
self.graphics_item.setZValue(1)
def draw_valid_line(self, p1, p2):
new_path = QtGui.QPainterPath(p1)
c_p1 = QtCore.QPoint(((p2.x() + p1.x()) / 2) + 10, p1.y())
c_p2 = QtCore.QPoint(((p2.x() + p1.x()) / 2) - 10, p2.y())
new_path.cubicTo(c_p1, c_p2, p2)
new_valid_line = QtWidgets.QGraphicsPathItem(new_path)
new_valid_line.setPen(QtGui.QPen(QtGui.QColor(QtCore.Qt.green), 2))
self.addItem(new_valid_line)
new_valid_line.setZValue(-1)
return new_valid_line
def __init__(self, parent, cmdp, state):
pg.GraphicsObject.__init__(self, parent)
self._parent = parent
self._cmdp = cmdp
self._log = logging.getLogger('%s.%s' % (__name__, state['x']))
self._move_start_point = None
y = state.get('y')
if y is not None:
y = float(y)
my_id = state.get('id')
if my_id is None: # assign an id
my_id = id(self)
while my_id in _registry:
my_id += 1
elif my_id in _registry:
raise RuntimeError(f'id {my_id} already in annotation registry')
self._state = {
'id': my_id,
'signal_name': state['signal_name'],
'x': float(state['x']),
'y': y,
'group_id': 0,
'text': state.get('text'),
'text_visible': True,
'size': state.get('size', 6),
}
_registry[my_id] = weakref.ref(self)
self._pathItem = QtWidgets.QGraphicsPathItem()
self._pathItem.setParentItem(self)
self._text_item = QtWidgets.QGraphicsTextItem(self)
self._text_item.setParentItem(self)
self._text_item.setVisible(bool(self._state['text_visible']))
self.group_id = state.get('group_id', 0)
self._lastTransform = None
self._lastScene = None
self._fill = pg.mkBrush(None)
self._border = pg.mkPen(None)
self.group_id = self._state['group_id']
self.setPos(self._state['x'], 0.0)
self._z_value_set()
self.text = self._state['text']
self._update_colors()
self.prepareGeometryChange()
def __init__(self):
QtWidgets.QGraphicsScene.__init__(self)
# NODES
self.all_nodes = []
self.selected_node = None
# PATH TESTS
self.testing_origin = None
self.testing_path = QtWidgets.QGraphicsPathItem()
self.testing_path.setPen(QtGui.QPen(QtCore.Qt.magenta, 2))
self.testing_path.setZValue(-1)
# CONNECTORS (Tests)
self.testing_origin_connector = None
self.testing_target_connector = None
def check_connectables(self):
origin_connector, target_connector = self.testing_origin_connector, self.testing_target_connector
checks = [
origin_connector.type != target_connector.type,
origin_connector.parent_node != target_connector.parent_node,
origin_connector.can_recieve_connection,
target_connector.can_recieve_connection
]
# CONNECTION CHECKS
if False in checks:
return
# RIGHT-TO-LEFT CONNECTION
if not ((origin_connector.type == 'output'
and origin_connector.x < target_connector.x) or
(origin_connector.type == 'input'
and origin_connector.x > target_connector.x)):
return
p1 = origin_connector.center_point
p2 = target_connector.center_point
if p1.x() < p2.x():
new_path = QtGui.QPainterPath(p1)
c_p1 = QtCore.QPoint(((p2.x() + p1.x()) / 2) + 10, p1.y())
c_p2 = QtCore.QPoint(((p2.x() + p1.x()) / 2) - 10, p2.y())
new_path.cubicTo(c_p1, c_p2, p2)
else:
new_path = QtGui.QPainterPath(p2)
c_p1 = QtCore.QPoint(((p2.x() + p1.x()) / 2) + 10, p1.y())
c_p2 = QtCore.QPoint(((p2.x() + p1.x()) / 2) - 10, p2.y())
new_path.cubicTo(c_p2, c_p1, p1)
valid_line = QtWidgets.QGraphicsPathItem(new_path)
valid_line.setPen(QtGui.QPen(QtCore.Qt.green, 2))
valid_line.setZValue(-1)
self.addItem(valid_line)
target_connector.register_connection(origin_connector, valid_line)
origin_connector.register_connection(target_connector, valid_line)
self.color_streams(recolor=False, only_starts=False)
def __init__(self, name, relationships, function, item_color):
self.name = name
self.relationships = relationships
self.functions = function
self.item_color = item_color
self.graphics_item = QtWidgets.QGraphicsPathItem()