1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
#!/usr/bin/env python
# Copyright (C) 2012 Cristhofer Travieso <cristhofert97@gmail.com>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
from gi.repository import Gtk
class Canvas(Gtk.VBox):
def __init__(self):
Gtk.VBox.__init__(self)
self.entry = Gtk.Entry()
self.add(self.entry)
table = Gtk.Table()
number = []
for i in range(0, 10):
button = Gtk.Button(i)
button.connect('clicked', self.add_character)
number.append(button)
sign = []
for i in ['+', '-', '*', '/']:
button = Gtk.Button(i)
button.connect('clicked', self.add_character)
sign.append(button)
equals_button = Gtk.Button('=')
equals_button.connect('clicked', self.work)
self.add(equals_button)
def add_character(self, widget):
text = widget.get_label()
text_a = self.entrada.get_text()
text_end = text_a + text
self.entry.set_text(text_end)
def work(self, widget):
entry_text = self.entry.get_text()
result = eval(entry_text)
self.entry.set_text(str(result))
|