def callback_enable(*args):
n_id = args[0]
global callback_dict
if n_id in callback_dict:
return
handle_pixel = SpaceNodeEditor.draw_handler_add(draw_callback_px, args, 'WINDOW', 'POST_VIEW')
callback_dict[n_id] = handle_pixel
tag_redraw_all_nodeviews()
def callback_enable(*args):
n_id = args[0]
# global callback_dict
if n_id in callback_dict:
return
handle_pixel = SpaceNodeEditor.draw_handler_add(draw_callback_px, args, 'WINDOW', 'POST_VIEW')
callback_dict[n_id] = handle_pixel
tag_redraw_all_nodeviews()
def invoke(self, context, event):
if context.area.type == 'NODE_EDITOR':
# [ ] make current session history available, maybe with ctrl+up/down ?
# [ ] make longterm session history available?
# unusually, if this is not set the operator seems to behave like it remembers the last string.
self.current_string = ""
flat_node_cats['results'] = make_flat_nodecats()
start_position = 20, 20 # event.mouse_region_x, event.mouse_region_y
args = (self, context, start_position)
self._handle = SpaceNodeEditor.draw_handler_add(draw_callback_px, args, 'WINDOW', 'POST_PIXEL')
context.window_manager.modal_handler_add(self)
return {'RUNNING_MODAL'}
else:
self.report({'WARNING'}, "NODE_EDITOR not found, cannot run operator")
return {'CANCELLED'}
def draw_text(node,
text: str,
draw_id=None,
color=(1, 1, 1, 1),
scale=1.,
align="RIGHT",
dynamic_location=True):
"""Draw any text nearby a node, use together with callback_disable
align = {"RIGHT", "UP", "DOWN"} todo replace with typing.Literal"""
draw_id = draw_id or node.node_id
if draw_id in callback_dict:
callback_disable(draw_id)
color = color if len(color) == 4 else (*color, 1)
text_location = None if dynamic_location else _get_text_location(
node, align)
handle_pixel = SpaceNodeEditor.draw_handler_add(
_draw_text_handler, (node.id_data.tree_id, node.node_id, text, color,
scale, align, text_location), 'WINDOW',
'POST_VIEW')
callback_dict[draw_id] = handle_pixel
tag_redraw_all_nodeviews()
