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# Figure Axes Enter Leave

Illustrate the figure and axes enter and leave events by changing the frame colors on enter and leave

    from __future__ import print_function
    import matplotlib.pyplot as plt

    def enter_axes(event):
        print('enter_axes', event.inaxes)
        event.inaxes.patch.set_facecolor('yellow')
        event.canvas.draw()

    def leave_axes(event):
        print('leave_axes', event.inaxes)
        event.inaxes.patch.set_facecolor('white')
        event.canvas.draw()

    def enter_figure(event):
        print('enter_figure', event.canvas.figure)
        event.canvas.figure.patch.set_facecolor('red')
        event.canvas.draw()

    def leave_figure(event):
        print('leave_figure', event.canvas.figure)
        event.canvas.figure.patch.set_facecolor('grey')
        event.canvas.draw()

    fig1, (ax, ax2) = plt.subplots(2, 1)
    fig1.suptitle('mouse hover over figure or axes to trigger events')

    fig1.canvas.mpl_connect('figure_enter_event', enter_figure)
    fig1.canvas.mpl_connect('figure_leave_event', leave_figure)
    fig1.canvas.mpl_connect('axes_enter_event', enter_axes)
    fig1.canvas.mpl_connect('axes_leave_event', leave_axes)

    fig2, (ax, ax2) = plt.subplots(2, 1)
    fig2.suptitle('mouse hover over figure or axes to trigger events')

    fig2.canvas.mpl_connect('figure_enter_event', enter_figure)
    fig2.canvas.mpl_connect('figure_leave_event', leave_figure)
    fig2.canvas.mpl_connect('axes_enter_event', enter_axes)
    fig2.canvas.mpl_connect('axes_leave_event', leave_axes)

    plt.show()

Total running time of the script: ( 0 minutes 0.133 seconds)

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