matplotlib_renderer.py 文件源码

def __init__(self, figure, plotting_info_viewer, controller):
        self.figure = figure
        self.plotting_info_viewer = plotting_info_viewer
        self.controller = controller

        self._axes_data = []
        self.figure.canvas.mpl_connect('button_press_event', self._button_pressed)
        self.figure.canvas.mpl_connect('button_release_event', self._button_released)
        self.figure.canvas.mpl_connect('motion_notify_event', self._mouse_motion)
        self.figure.canvas.mpl_connect('scroll_event', self._scroll_event)
        self.figure.canvas.mpl_connect('key_press_event', self._on_key_press)
        self.figure.canvas.mpl_connect('key_release_event', self._on_key_release)

        self._in_drag = False
        self._control_is_held = False

        self._scrolling_manager = _ScrollingManager(controller)
        self._dragging_manager = _DraggingManager(controller)