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Embedding in GTK4 with a navigation toolbar#
Demonstrate NavigationToolbar with GTK4 accessed via pygobject.
import gi
gi.require_version('Gtk', '4.0')
from gi.repository import Gtk
import numpy as np
from matplotlib.backends.backend_gtk4 import \
NavigationToolbar2GTK4 as NavigationToolbar
from matplotlib.backends.backend_gtk4agg import \
FigureCanvasGTK4Agg as FigureCanvas
from matplotlib.figure import Figure
def on_activate(app):
win = Gtk.ApplicationWindow(application=app)
win.set_default_size(400, 300)
win.set_title("Embedding in GTK4")
fig = Figure(figsize=(5, 4), dpi=100)
ax = fig.add_subplot(1, 1, 1)
t = np.arange(0.0, 3.0, 0.01)
s = np.sin(2*np.pi*t)
ax.plot(t, s)
vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
win.set_child(vbox)
# Add canvas to vbox
canvas = FigureCanvas(fig) # a Gtk.DrawingArea
canvas.set_hexpand(True)
canvas.set_vexpand(True)
vbox.append(canvas)
# Create toolbar
toolbar = NavigationToolbar(canvas)
vbox.append(toolbar)
win.show()
app = Gtk.Application(
application_id='org.matplotlib.examples.EmbeddingInGTK4PanZoom')
app.connect('activate', on_activate)
app.run(None)