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import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
class PyApp(Gtk.Window):
def __init__(self):
super(PyApp, self).__init__()
self.set_title('Text view')
self.set_position(Gtk.WindowPosition.CENTER_ALWAYS)
self.set_size_request(250, 150)
scrolled = Gtk.ScrolledWindow()
textview = Gtk.TextView()
scrolled.add(textview)
textbuffer = textview.get_buffer()
textbuffer.set_text('Multiple lines\nin the same editor\n')
end = textbuffer.get_end_iter()
anchor = textbuffer.create_child_anchor(end)
box = Gtk.HBox()
textview.add_child_at_anchor(box, anchor)
button = Gtk.Button(label='Click me')
button.connect('clicked', self._clicked_cb, textbuffer)
box.pack_start(button, False, False, 0)
self.add(scrolled)
self.show_all()
self.connect('destroy', Gtk.main_quit)
def _clicked_cb(self, button, textbuffer):
end = textbuffer.get_end_iter()
textbuffer.insert(end, 'You clicked the button!!\n')
PyApp()
Gtk.main()
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