{
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      "source": [
        "\n# pyplot with GTK3\n\nAn example of how to use pyplot to manage your figure windows, but modify the\nGUI by accessing the underlying GTK widgets.\n"
      ]
    },
    {
      "cell_type": "code",
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      "source": [
        "import matplotlib\n\nmatplotlib.use('GTK3Agg')  # or 'GTK3Cairo'\nimport gi\n\nimport matplotlib.pyplot as plt\n\ngi.require_version('Gtk', '3.0')\nfrom gi.repository import Gtk\n\nfig, ax = plt.subplots()\nax.plot([1, 2, 3], 'ro-', label='easy as 1 2 3')\nax.plot([1, 4, 9], 'gs--', label='easy as 1 2 3 squared')\nax.legend()\n\nmanager = fig.canvas.manager\n# you can access the window or vbox attributes this way\ntoolbar = manager.toolbar\nvbox = manager.vbox\n\n# now let's add a button to the toolbar\nbutton = Gtk.Button(label='Click me')\nbutton.show()\nbutton.connect('clicked', lambda button: print('hi mom'))\n\ntoolitem = Gtk.ToolItem()\ntoolitem.show()\ntoolitem.set_tooltip_text('Click me for fun and profit')\ntoolitem.add(button)\n\npos = 8  # where to insert this in the toolbar\ntoolbar.insert(toolitem, pos)\n\n# now let's add a widget to the vbox\nlabel = Gtk.Label()\nlabel.set_markup('Drag mouse over axes for position')\nlabel.show()\nvbox.pack_start(label, False, False, 0)\nvbox.reorder_child(toolbar, -1)\n\n\ndef update(event):\n    if event.xdata is None:\n        label.set_markup('Drag mouse over axes for position')\n    else:\n        label.set_markup(\n            f'<span color=\"#ef0000\">x,y=({event.xdata}, {event.ydata})</span>')\n\n\nfig.canvas.mpl_connect('motion_notify_event', update)\n\nplt.show()"
      ]
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