1from gi.repository import Gtk 2from gi.repository import Pango 3import sys 4 5books = [["Tolstoy, Leo", "War and Peace", "Anna Karenina"], 6 ["Shakespeare, William", "Hamlet", "Macbeth", "Othello"], 7 ["Tolkien, J.R.R.", "The Lord of the Rings"]] 8 9 10class MyWindow(Gtk.ApplicationWindow): 11 12 def __init__(self, app): 13 Gtk.Window.__init__(self, title="Library", application=app) 14 self.set_default_size(250, 100) 15 self.set_border_width(10) 16 17 # the data are stored in the model 18 # create a treestore with one column 19 store = Gtk.TreeStore(str) 20 for i in range(len(books)): 21 # the iter piter is returned when appending the author 22 piter = store.append(None, [books[i][0]]) 23 # append the books as children of the author 24 j = 1 25 while j < len(books[i]): 26 store.append(piter, [books[i][j]]) 27 j += 1 28 29 # the treeview shows the model 30 # create a treeview on the model store 31 view = Gtk.TreeView() 32 view.set_model(store) 33 34 # the cellrenderer for the column - text 35 renderer_books = Gtk.CellRendererText() 36 # the column is created 37 column_books = Gtk.TreeViewColumn( 38 "Books by Author", renderer_books, text=0) 39 # and it is appended to the treeview 40 view.append_column(column_books) 41 42 # the books are sortable by author 43 column_books.set_sort_column_id(0) 44 45 # add the treeview to the window 46 self.add(view) 47 48 49class MyApplication(Gtk.Application): 50 51 def __init__(self): 52 Gtk.Application.__init__(self) 53 54 def do_activate(self): 55 win = MyWindow(self) 56 win.show_all() 57 58 def do_startup(self): 59 Gtk.Application.do_startup(self) 60 61app = MyApplication() 62exit_status = app.run(sys.argv) 63sys.exit(exit_status) 64