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from gi.repository import Gtk
"""
Since GTK+3 Gtk.CellRenderer doesn't have a destroy signal anymore.
We can do the cleanup in the python destructor method instead.
"""
class MyCellRenderer(Gtk.CellRenderer):
def __init__(self):
Gtk.CellRenderer.__init__(self)
def __del__(self):
print "cellrenderer destroy"
def do_render(self, cairo_t, widget, background_area, cell_area, flags):
pass
def window_destroy_cb(*kwargs):
print "window destroy"
Gtk.main_quit()
window = Gtk.Window(Gtk.WindowType.TOPLEVEL)
window.connect("destroy", window_destroy_cb)
window.show()
def treeview_destroy_cb(*kwargs):
print "treeview destroy"
treeview = Gtk.TreeView()
treeview.connect("destroy", treeview_destroy_cb)
window.add(treeview)
treeview.show()
col = Gtk.TreeViewColumn()
treeview.append_column(col)
cel = MyCellRenderer()
col.pack_start(cel, expand=True)
Gtk.main()
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