| """ | |
| ============ | |
| Mouse Cursor | |
| ============ | |
| This example sets an alternative cursor on a figure canvas. | |
| Note, this is an interactive example, and must be run to see the effect. | |
| """ | |
| import matplotlib.pyplot as plt | |
| from matplotlib.backend_tools import Cursors | |
| fig, axs = plt.subplots(len(Cursors), figsize=(6, len(Cursors) + 0.5), | |
| gridspec_kw={'hspace': 0}) | |
| fig.suptitle('Hover over an Axes to see alternate Cursors') | |
| for cursor, ax in zip(Cursors, axs): | |
| ax.cursor_to_use = cursor | |
| ax.text(0.5, 0.5, cursor.name, | |
| horizontalalignment='center', verticalalignment='center') | |
| ax.set(xticks=[], yticks=[]) | |
| def hover(event): | |
| if fig.canvas.widgetlock.locked(): | |
| # Don't do anything if the zoom/pan tools have been enabled. | |
| return | |
| fig.canvas.set_cursor( | |
| event.inaxes.cursor_to_use if event.inaxes else Cursors.POINTER) | |
| fig.canvas.mpl_connect('motion_notify_event', hover) | |
| plt.show() | |
| # %% | |
| # | |
| # .. admonition:: References | |
| # | |
| # The use of the following functions, methods, classes and modules is shown | |
| # in this example: | |
| # | |
| # - `matplotlib.backend_bases.FigureCanvasBase.set_cursor` | |