def handle_mouse_selector_press(self, double_click, coordinate):
"""
The selector mouse button was pressed:
Find the selected element. Attempt a new connection if possible.
Open the block params window on a double click.
Update the selection state of the flow graph.
"""
self.press_coor = coordinate
self.set_coordinate(coordinate)
self.time = 0
self.mouse_pressed = True
if double_click: self.unselect()
self.update_selected_elements()
#double click detected, bring up params dialog if possible
if double_click and self.get_selected_block():
self.mouse_pressed = False
Actions.BLOCK_PARAM_MODIFY()
